issue #253: m2m polling limit

.bumpversion.cfg

@@ -1,7 +1,7 @@
 [bumpversion]
 commit = True
 tag = True
-current_version = 6.18
+current_version = 5.48
 parse = (?P<major>\d+)\.(?P<minor>\d+)
 serialize = 
 	{major}.{minor}

.github/workflows/docker-alpine-image.yaml

@@ -66,7 +66,7 @@ jobs:
         uses: docker/build-push-action@v3
         with:
           context: .
-          platforms: linux/arm64,linux/amd64,linux/arm/v6,linux/arm/v7
+          platforms: linux/arm64,linux/amd64,linux/arm/v7
           file: pkg/docker/Dockerfile.alpine
       -
         name: Push

.gitignore

@@ -3,12 +3,11 @@
 /pkg/arch/pkg/
 /pkg/arch/src/
 /src/build/
-/python/dist/
+/python/build/
 /python/ustreamer.egg-info/
-/python/root/
 /janus/build/
 /ustreamer
-/ustreamer-*
+/ustreamer-dump
 /config.mk
 vgcore.*
 *.sock

Makefile

@@ -9,19 +9,11 @@ PY ?= python3
 CFLAGS ?= -O3
 LDFLAGS ?=
 
-R_DESTDIR = $(if $(DESTDIR),$(shell realpath "$(DESTDIR)"),)
-
 export
 
 _LINTERS_IMAGE ?= ustreamer-linters
 
 
-# =====
-ifeq (__not_found__,$(shell which pkg-config 2>/dev/null || echo "__not_found__"))
-$(error "No pkg-config found in $(PATH)")
-endif
-
-
 # =====
 define optbool
 $(filter $(shell echo $(1) | tr A-Z a-z), yes on 1)
@@ -44,14 +36,13 @@ endif
 
 apps:
 	$(MAKE) -C src
-	for i in src/*.bin; do \
-		test ! -x $$i || ln -sf $$i `basename $$i .bin`; \
-	done
+	$(ECHO) ln -sf src/ustreamer.bin ustreamer
+	$(ECHO) ln -sf src/ustreamer-dump.bin ustreamer-dump
 
 
 python:
 	$(MAKE) -C python
-	$(ECHO) ln -sf python/root/usr/lib/python*/site-packages/*.so .
+	$(ECHO) ln -sf python/build/lib.*/*.so .
 
 
 janus:
@@ -67,10 +58,10 @@ endif
 ifneq ($(call optbool,$(WITH_JANUS)),)
 	$(MAKE) -C janus install
 endif
-	mkdir -p $(R_DESTDIR)$(MANPREFIX)/man1
+	mkdir -p $(DESTDIR)$(MANPREFIX)/man1
 	for man in $(shell ls man); do \
-		install -m644 man/$$man $(R_DESTDIR)$(MANPREFIX)/man1/$$man; \
-		gzip -f $(R_DESTDIR)$(MANPREFIX)/man1/$$man; \
+		install -m644 man/$$man $(DESTDIR)$(MANPREFIX)/man1/$$man; \
+		gzip -f $(DESTDIR)$(MANPREFIX)/man1/$$man; \
 	done
 
 
@@ -79,8 +70,9 @@ install-strip: install
 
 
 regen:
-	tools/make-ico-h.py src/ustreamer/data/favicon.ico src/ustreamer/data/favicon_ico.c FAVICON
-	tools/make-html-h.py src/ustreamer/data/index.html src/ustreamer/data/index_html.c INDEX
+	tools/$(MAKE)-jpeg-h.py src/ustreamer/data/blank.jpeg src/ustreamer/data/blank_jpeg.c BLANK
+	tools/$(MAKE)-ico-h.py src/ustreamer/data/favicon.ico src/ustreamer/data/favicon_ico.c FAVICON
+	tools/$(MAKE)-html-h.py src/ustreamer/data/index.html src/ustreamer/data/index_html.c INDEX
 
 
 release:
@@ -127,7 +119,7 @@ clean-all: linters clean
 
 clean:
 	rm -rf pkg/arch/pkg pkg/arch/src pkg/arch/v*.tar.gz pkg/arch/ustreamer-*.pkg.tar.{xz,zst}
-	rm -f ustreamer ustreamer-* *.so
+	rm -f ustreamer ustreamer-dump *.so
 	$(MAKE) -C src clean
 	$(MAKE) -C python clean
 	$(MAKE) -C janus clean

README.md

@@ -23,7 +23,7 @@
 | Compatibility with mjpg-streamer's API | ✔ | :) |
 
 Footnotes:
-  * ```1``` Long before µStreamer, I made a [patch](https://github.com/jacksonliam/mjpg-streamer/pull/164) to add DV-timings support to mjpg-streamer and to keep it from hanging up on device disconnection. Alas, the patch is far from perfect and I can't guarantee it will work every time - mjpg-streamer's source code is very complicated and its structure is hard to understand. With this in mind, along with needing multithreading and JPEG hardware acceleration in the future, I decided to make my own stream server from scratch instead of supporting legacy code.
+  * ```1``` Long before µStreamer, I made a [patch](https://github.com/jacksonliam/mjpg-streamer/pull/164) to add DV-timings support to mjpg-streamer and to keep it from hanging up no device disconnection. Alas, the patch is far from perfect and I can't guarantee it will work every time - mjpg-streamer's source code is very complicated and its structure is hard to understand. With this in mind, along with needing multithreading and JPEG hardware acceleration in the future, I decided to make my own stream server from scratch instead of supporting legacy code.
 
   * ```2``` This feature allows to cut down outgoing traffic several-fold when streaming HDMI, but it increases CPU usage a little bit. The idea is that HDMI is a fully digital interface and each captured frame can be identical to the previous one byte-wise. There's no need to stream the same image over the net several times a second. With the `--drop-same-frames=20` option enabled, µStreamer will drop all the matching frames (with a limit of 20 in a row). Each new frame is matched with the previous one first by length, then using ```memcmp()```.
 
@@ -85,13 +85,13 @@ Without arguments, ```ustreamer``` will try to open ```/dev/video0``` with 640x4
 
 :exclamation: Please note that since µStreamer v2.0 cross-domain requests were disabled by default for [security reasons](https://developer.mozilla.org/en-US/docs/Web/HTTP/CORS). To enable the old behavior, use the option `--allow-origin=\*`.
 
-The recommended way of running µStreamer with [TC358743-based capture device](https://www.raspberrypi.org/forums/viewtopic.php?f=38&t=120702&start=400#p1339178) on Raspberry Pi:
+The recommended way of running µStreamer with [Auvidea B101](https://www.raspberrypi.org/forums/viewtopic.php?f=38&t=120702&start=400#p1339178) on Raspberry Pi:
 ```
 $ ./ustreamer \
     --format=uyvy \ # Device input format
     --encoder=m2m-image \ # Hardware encoding on V4L2 M2M driver
     --workers=3 \ # Workers number
-    --persistent \ # Suppress repetitive signal source errors (for example when HDMI cable was disconnected)
+    --persistent \ # Don't re-initialize device on timeout (for example when HDMI cable was disconnected)
     --dv-timings \ # Use DV-timings
     --drop-same-frames=30 # Save the traffic
 ```
@@ -151,7 +151,7 @@ Add `-e EDID=1` to set HDMI EDID before starting ustreamer. Use together with `-
 -----
 # Raspberry Pi Camera Example
 
-Example usage for the Raspberry Pi v3 camera (required `libcamerify` which is located in `libcamera-tools` and `libcamera-v4l2` (install both) on Raspbian):
+Example usage for the Raspberry Pi v3 camera (required `libcamerify` which is located in `libcamera-tools` on Raspbian):
 ```
 $ sudo modprobe bcm2835-v4l2
 $ libcamerify ./ustreamer --host :: --encoder=m2m-image
@@ -180,7 +180,7 @@ $ modprobe bcm2835-v4l2 max_video_width=2592 max_video_height=1944
 µStreamer supports bandwidth-efficient streaming using [H.264 compression](https://en.wikipedia.org/wiki/Advanced_Video_Coding) and the Janus WebRTC server. See the [Janus integration guide](docs/h264.md) for full details.
 
 ## Nginx
-When uStreamer is behind an Nginx proxy, its buffering behavior introduces latency into the video stream. It's possible to disable Nginx's buffering to eliminate the additional latency:
+When uStreamer is behind an Nginx proxy, it's buffering behavior introduces latency into the video stream. It's possible to disable Nginx's buffering to eliminate the additional latency:
 
 ```nginx
 location /stream {
@@ -209,7 +209,7 @@ v4l2 utilities provide the tools to manage USB webcam setting and information. S
 
 -----
 # License
-Copyright (C) 2018-2024 by Maxim Devaev mdevaev@gmail.com
+Copyright (C) 2018-2023 by Maxim Devaev mdevaev@gmail.com
 
 This program is free software: you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by

janus/Makefile

@@ -1,4 +1,4 @@
-R_DESTDIR ?=
+DESTDIR ?=
 PREFIX ?= /usr/local
 
 CC ?= gcc
@@ -42,8 +42,8 @@ $(_BUILD)/%.o: %.c
 
 
 install: $(_PLUGIN)
-	mkdir -p $(R_DESTDIR)$(PREFIX)/lib/ustreamer/janus
-	install -m755 $(_PLUGIN) $(R_DESTDIR)$(PREFIX)/lib/ustreamer/janus/$(PLUGIN)
+	mkdir -p $(DESTDIR)$(PREFIX)/lib/ustreamer/janus
+	install -m755 $(_PLUGIN) $(DESTDIR)$(PREFIX)/lib/ustreamer/janus/$(PLUGIN)
 
 
 clean:

janus/src/audio.c

@@ -2,7 +2,7 @@
 #                                                                            #
 #    uStreamer - Lightweight and fast MJPEG-HTTP streamer.                   #
 #                                                                            #
-#    Copyright (C) 2018-2024  Maxim Devaev <mdevaev@gmail.com>               #
+#    Copyright (C) 2018-2023  Maxim Devaev <mdevaev@gmail.com>               #
 #                                                                            #
 #    This program is free software: you can redistribute it and/or modify    #
 #    it under the terms of the GNU General Public License as published by    #
@@ -22,24 +22,6 @@
 
 #include "audio.h"
 
-#include <stdlib.h>
-#include <stdatomic.h>
-#include <assert.h>
-
-#include <pthread.h>
-#include <alsa/asoundlib.h>
-#include <speex/speex_resampler.h>
-#include <opus/opus.h>
-
-#include "uslibs/types.h"
-#include "uslibs/errors.h"
-#include "uslibs/tools.h"
-#include "uslibs/array.h"
-#include "uslibs/ring.h"
-#include "uslibs/threading.h"
-
-#include "logging.h"
-
 
 #define _JLOG_PERROR_ALSA(_err, _prefix, _msg, ...)	US_JLOG_ERROR(_prefix, _msg ": %s", ##__VA_ARGS__, snd_strerror(_err))
 #define _JLOG_PERROR_RES(_err, _prefix, _msg, ...)	US_JLOG_ERROR(_prefix, _msg ": %s", ##__VA_ARGS__, speex_resampler_strerror(_err))
@@ -49,7 +31,7 @@
 //   - https://github.com/xiph/opus/blob/7b05f44/src/opus_demo.c#L368
 #define _HZ_TO_FRAMES(_hz)	(6 * (_hz) / 50) // 120ms
 #define _HZ_TO_BUF16(_hz)	(_HZ_TO_FRAMES(_hz) * 2) // One stereo frame = (16bit L) + (16bit R)
-#define _HZ_TO_BUF8(_hz)	(_HZ_TO_BUF16(_hz) * sizeof(s16))
+#define _HZ_TO_BUF8(_hz)	(_HZ_TO_BUF16(_hz) * sizeof(int16_t))
 
 #define _MIN_PCM_HZ			8000
 #define _MAX_PCM_HZ			192000
@@ -59,19 +41,16 @@
 
 
 typedef struct {
-	s16		data[_MAX_BUF16];
+	int16_t		data[_MAX_BUF16];
 } _pcm_buffer_s;
 
 typedef struct {
-	u8		data[_MAX_BUF8]; // Worst case
-	uz		used;
-	u64	pts;
+	uint8_t		data[_MAX_BUF8]; // Worst case
+	size_t		used;
+	uint64_t	pts;
 } _enc_buffer_s;
 
 
-static _pcm_buffer_s *_pcm_buffer_init(void);
-static _enc_buffer_s *_enc_buffer_init(void);
-
 static void *_pcm_thread(void *v_audio);
 static void *_encoder_thread(void *v_audio);
 
@@ -89,12 +68,12 @@ bool us_audio_probe(const char *name) {
 	return true;
 }
 
-us_audio_s *us_audio_init(const char *name, uint pcm_hz) {
+us_audio_s *us_audio_init(const char *name, unsigned pcm_hz) {
 	us_audio_s *audio;
 	US_CALLOC(audio, 1);
 	audio->pcm_hz = pcm_hz;
-	US_RING_INIT_WITH_ITEMS(audio->pcm_ring, 8, _pcm_buffer_init);
-	US_RING_INIT_WITH_ITEMS(audio->enc_ring, 8, _enc_buffer_init);
+	audio->pcm_queue = us_queue_init(8);
+	audio->enc_queue = us_queue_init(8);
 	atomic_init(&audio->stop, false);
 
 	int err;
@@ -172,51 +151,38 @@ void us_audio_destroy(us_audio_s *audio) {
 	US_DELETE(audio->res, speex_resampler_destroy);
 	US_DELETE(audio->pcm, snd_pcm_close);
 	US_DELETE(audio->pcm_params, snd_pcm_hw_params_free);
-	US_RING_DELETE_WITH_ITEMS(audio->enc_ring, free);
-	US_RING_DELETE_WITH_ITEMS(audio->pcm_ring, free);
+	US_QUEUE_DELETE_WITH_ITEMS(audio->enc_queue, free);
+	US_QUEUE_DELETE_WITH_ITEMS(audio->pcm_queue, free);
 	if (audio->tids_created) {
 		US_JLOG_INFO("audio", "Pipeline closed");
 	}
 	free(audio);
 }
 
-int us_audio_get_encoded(us_audio_s *audio, u8 *data, uz *size, u64 *pts) {
+int us_audio_get_encoded(us_audio_s *audio, uint8_t *data, size_t *size, uint64_t *pts) {
 	if (atomic_load(&audio->stop)) {
 		return -1;
 	}
-	const int ri = us_ring_consumer_acquire(audio->enc_ring, 0.1);
-	if (ri < 0) {
-		return US_ERROR_NO_DATA;
-	}
-	const _enc_buffer_s *const buf = audio->enc_ring->items[ri];
-	if (*size < buf->used) {
-		us_ring_consumer_release(audio->enc_ring, ri);
-		return US_ERROR_NO_DATA;
-	}
-	memcpy(data, buf->data, buf->used);
-	*size = buf->used;
-	*pts = buf->pts;
-	us_ring_consumer_release(audio->enc_ring, ri);
-	return 0;
-}
-
-static _pcm_buffer_s *_pcm_buffer_init(void) {
-	_pcm_buffer_s *buf;
-	US_CALLOC(buf, 1);
-	return buf;
-}
-
-static _enc_buffer_s *_enc_buffer_init(void) {
 	_enc_buffer_s *buf;
-	US_CALLOC(buf, 1);
-	return buf;
+	if (!us_queue_get(audio->enc_queue, (void **)&buf, 0.1)) {
+		if (*size < buf->used) {
+			free(buf);
+			return -3;
+		}
+		memcpy(data, buf->data, buf->used);
+		*size = buf->used;
+		*pts = buf->pts;
+		free(buf);
+		return 0;
+	}
+	return -2;
 }
 
 static void *_pcm_thread(void *v_audio) {
-	US_THREAD_SETTLE("us_a_pcm");
+	US_THREAD_RENAME("us_a_pcm");
 
-	us_audio_s *const audio = v_audio;
-	u8 in[_MAX_BUF8];
+	us_audio_s *const audio = (us_audio_s *)v_audio;
+	uint8_t in[_MAX_BUF8];
 
 	while (!atomic_load(&audio->stop)) {
 		const int frames = snd_pcm_readi(audio->pcm, in, audio->pcm_frames);
@@ -228,13 +194,13 @@ static void *_pcm_thread(void *v_audio) {
 			break;
 		}
 
-		const int ri = us_ring_producer_acquire(audio->pcm_ring, 0);
-		if (ri >= 0) {
-			_pcm_buffer_s *const out = audio->pcm_ring->items[ri];
+		if (us_queue_get_free(audio->pcm_queue)) {
+			_pcm_buffer_s *out;
+			US_CALLOC(out, 1);
 			memcpy(out->data, in, audio->pcm_size);
-			us_ring_producer_release(audio->pcm_ring, ri);
+			assert(!us_queue_put(audio->pcm_queue, out, 0));
 		} else {
-			US_JLOG_ERROR("audio", "PCM ring is full");
+			US_JLOG_ERROR("audio", "PCM queue is full");
 		}
 	}
 
@@ -243,50 +209,45 @@ static void *_pcm_thread(void *v_audio) {
 }
 
 static void *_encoder_thread(void *v_audio) {
-	US_THREAD_SETTLE("us_a_enc");
+	US_THREAD_RENAME("us_a_enc");
 
-	us_audio_s *const audio = v_audio;
-	s16 in_res[_MAX_BUF16];
+	us_audio_s *const audio = (us_audio_s *)v_audio;
+	int16_t in_res[_MAX_BUF16];
 
 	while (!atomic_load(&audio->stop)) {
-		const int in_ri = us_ring_consumer_acquire(audio->pcm_ring, 0.1);
-		if (in_ri < 0) {
-			continue;
-		}
-		_pcm_buffer_s *const in = audio->pcm_ring->items[in_ri];
+		_pcm_buffer_s *in;
+		if (!us_queue_get(audio->pcm_queue, (void **)&in, 0.1)) {
+			int16_t *in_ptr;
+			if (audio->res != NULL) {
+				assert(audio->pcm_hz != _ENCODER_INPUT_HZ);
+				uint32_t in_count = audio->pcm_frames;
+				uint32_t out_count = _HZ_TO_FRAMES(_ENCODER_INPUT_HZ);
+				speex_resampler_process_interleaved_int(audio->res, in->data, &in_count, in_res, &out_count);
+				in_ptr = in_res;
+			} else {
+				assert(audio->pcm_hz == _ENCODER_INPUT_HZ);
+				in_ptr = in->data;
+			}
 
-		s16 *in_ptr;
-		if (audio->res != NULL) {
-			assert(audio->pcm_hz != _ENCODER_INPUT_HZ);
-			u32 in_count = audio->pcm_frames;
-			u32 out_count = _HZ_TO_FRAMES(_ENCODER_INPUT_HZ);
-			speex_resampler_process_interleaved_int(audio->res, in->data, &in_count, in_res, &out_count);
-			in_ptr = in_res;
-		} else {
-			assert(audio->pcm_hz == _ENCODER_INPUT_HZ);
-			in_ptr = in->data;
-		}
-
-		const int out_ri = us_ring_producer_acquire(audio->enc_ring, 0);
-		if (out_ri < 0) {
-			US_JLOG_ERROR("audio", "OPUS encoder queue is full");
-			us_ring_consumer_release(audio->pcm_ring, in_ri);
-			continue;
-		}
-		_enc_buffer_s *const out = audio->enc_ring->items[out_ri];
-
-		const int size = opus_encode(audio->enc, in_ptr, _HZ_TO_FRAMES(_ENCODER_INPUT_HZ), out->data, US_ARRAY_LEN(out->data));
-		us_ring_consumer_release(audio->pcm_ring, in_ri);
-
-		if (size >= 0) {
+			_enc_buffer_s *out;
+			US_CALLOC(out, 1);
+			const int size = opus_encode(audio->enc, in_ptr, _HZ_TO_FRAMES(_ENCODER_INPUT_HZ), out->data, US_ARRAY_LEN(out->data));
+			free(in);
+			if (size < 0) {
+				_JLOG_PERROR_OPUS(size, "audio", "Fatal: Can't encode PCM frame to OPUS");
+				free(out);
+				break;
+			}
 			out->used = size;
 			out->pts = audio->pts;
 			// https://datatracker.ietf.org/doc/html/rfc7587#section-4.2
 			audio->pts += _HZ_TO_FRAMES(_ENCODER_INPUT_HZ);
-		} else {
-			_JLOG_PERROR_OPUS(size, "audio", "Fatal: Can't encode PCM frame to OPUS");
+
+			if (us_queue_put(audio->enc_queue, out, 0) != 0) {
+				US_JLOG_ERROR("audio", "OPUS encoder queue is full");
+				free(out);
+			}
 		}
-		us_ring_producer_release(audio->enc_ring, out_ri);
 	}
 
 	atomic_store(&audio->stop, true);

janus/src/audio.h

@@ -2,7 +2,7 @@
 #                                                                            #
 #    uStreamer - Lightweight and fast MJPEG-HTTP streamer.                   #
 #                                                                            #
-#    Copyright (C) 2018-2024  Maxim Devaev <mdevaev@gmail.com>               #
+#    Copyright (C) 2018-2023  Maxim Devaev <mdevaev@gmail.com>               #
 #                                                                            #
 #    This program is free software: you can redistribute it and/or modify    #
 #    it under the terms of the GNU General Public License as published by    #
@@ -22,40 +22,50 @@
 
 #pragma once
 
+#include <stdlib.h>
+#include <stdint.h>
+#include <stdbool.h>
 #include <stdatomic.h>
+#include <assert.h>
+
+#include <sys/types.h>
 
 #include <pthread.h>
 #include <alsa/asoundlib.h>
 #include <speex/speex_resampler.h>
 #include <opus/opus.h>
 
-#include "uslibs/types.h"
-#include "uslibs/ring.h"
+#include "uslibs/tools.h"
+#include "uslibs/array.h"
+#include "uslibs/threading.h"
+
+#include "logging.h"
+#include "queue.h"
 
 
 typedef struct {
 	snd_pcm_t			*pcm;
-	uint				pcm_hz;
-	uint				pcm_frames;
-	uz					pcm_size;
+	unsigned			pcm_hz;
+	unsigned			pcm_frames;
+	size_t				pcm_size;
 	snd_pcm_hw_params_t	*pcm_params;
 	SpeexResamplerState	*res;
 	OpusEncoder			*enc;
 
-	us_ring_s		*pcm_ring;
-	us_ring_s		*enc_ring;
-	u32				pts;
+	us_queue_s			*pcm_queue;
+	us_queue_s			*enc_queue;
+	uint32_t			pts;
 
-	pthread_t		pcm_tid;
-	pthread_t		enc_tid;
-	bool			tids_created;
-	atomic_bool		stop;
+	pthread_t			pcm_tid;
+	pthread_t			enc_tid;
+	bool				tids_created;
+	atomic_bool			stop;
 } us_audio_s;
 
 
 bool us_audio_probe(const char *name);
 
-us_audio_s *us_audio_init(const char *name, uint pcm_hz);
+us_audio_s *us_audio_init(const char *name, unsigned pcm_hz);
 void us_audio_destroy(us_audio_s *audio);
 
-int us_audio_get_encoded(us_audio_s *audio, u8 *data, uz *size, u64 *pts);
+int us_audio_get_encoded(us_audio_s *audio, uint8_t *data, size_t *size, uint64_t *pts);

janus/src/client.c

@@ -2,7 +2,7 @@
 #                                                                            #
 #    uStreamer - Lightweight and fast MJPEG-HTTP streamer.                   #
 #                                                                            #
-#    Copyright (C) 2018-2024  Maxim Devaev <mdevaev@gmail.com>               #
+#    Copyright (C) 2018-2023  Maxim Devaev <mdevaev@gmail.com>               #
 #                                                                            #
 #    This program is free software: you can redistribute it and/or modify    #
 #    it under the terms of the GNU General Public License as published by    #
@@ -22,22 +22,6 @@
 
 #include "client.h"
 
-#include <stdlib.h>
-#include <stdatomic.h>
-#include <string.h>
-
-#include <pthread.h>
-#include <janus/plugins/plugin.h>
-
-#include "uslibs/types.h"
-#include "uslibs/tools.h"
-#include "uslibs/threading.h"
-#include "uslibs/list.h"
-#include "uslibs/ring.h"
-
-#include "logging.h"
-#include "rtp.h"
-
 
 static void *_video_thread(void *v_client);
 static void *_audio_thread(void *v_client);
@@ -51,14 +35,13 @@ us_janus_client_s *us_janus_client_init(janus_callbacks *gw, janus_plugin_sessio
 	client->session = session;
 	atomic_init(&client->transmit, false);
 	atomic_init(&client->transmit_audio, false);
-	atomic_init(&client->video_orient, 0);
 
 	atomic_init(&client->stop, false);
 
-	US_RING_INIT_WITH_ITEMS(client->video_ring, 2048, us_rtp_init);
+	client->video_queue = us_queue_init(2048);
 	US_THREAD_CREATE(client->video_tid, _video_thread, client);
 
-	US_RING_INIT_WITH_ITEMS(client->audio_ring, 64, us_rtp_init);
+	client->audio_queue = us_queue_init(64);
 	US_THREAD_CREATE(client->audio_tid, _audio_thread, client);
 
 	return client;
@@ -66,12 +49,14 @@ us_janus_client_s *us_janus_client_init(janus_callbacks *gw, janus_plugin_sessio
 
 void us_janus_client_destroy(us_janus_client_s *client) {
 	atomic_store(&client->stop, true);
+	us_queue_put(client->video_queue, NULL, 0);
+	us_queue_put(client->audio_queue, NULL, 0);
 
 	US_THREAD_JOIN(client->video_tid);
-	US_RING_DELETE_WITH_ITEMS(client->video_ring, us_rtp_destroy);
+	US_QUEUE_DELETE_WITH_ITEMS(client->video_queue, us_rtp_destroy);
 
 	US_THREAD_JOIN(client->audio_tid);
-	US_RING_DELETE_WITH_ITEMS(client->audio_ring, us_rtp_destroy);
+	US_QUEUE_DELETE_WITH_ITEMS(client->audio_queue, us_rtp_destroy);
 
 	free(client);
 }
@@ -81,77 +66,64 @@ void us_janus_client_send(us_janus_client_s *client, const us_rtp_s *rtp) {
 		atomic_load(&client->transmit)
 		&& (rtp->video || atomic_load(&client->transmit_audio))
 	) {
-		us_ring_s *const ring = (rtp->video ? client->video_ring : client->audio_ring);
-		const int ri = us_ring_producer_acquire(ring, 0);
-		if (ri < 0) {
-			US_JLOG_ERROR("client", "Session %p %s ring is full",
-				client->session, (rtp->video ? "video" : "audio"));
-			return;
+		us_rtp_s *const new = us_rtp_dup(rtp);
+		if (us_queue_put((new->video ? client->video_queue : client->audio_queue), new, 0) != 0) {
+			US_JLOG_ERROR("client", "Session %p %s queue is full",
+				client->session, (new->video ? "video" : "audio"));
+			us_rtp_destroy(new);
 		}
-		memcpy(ring->items[ri], rtp, sizeof(us_rtp_s));
-		us_ring_producer_release(ring, ri);
 	}
 }
 
 static void *_video_thread(void *v_client) {
-	US_THREAD_SETTLE("us_c_video");
 	return _common_thread(v_client, true);
 }
 
 static void *_audio_thread(void *v_client) {
-	US_THREAD_SETTLE("us_c_audio");
 	return _common_thread(v_client, false);
 }
 
 static void *_common_thread(void *v_client, bool video) {
-	us_janus_client_s *const client = v_client;
-	us_ring_s *const ring = (video ? client->video_ring : client->audio_ring);
-	assert(ring != NULL); // Audio may be NULL
+	us_janus_client_s *const client = (us_janus_client_s *)v_client;
+	us_queue_s *const queue = (video ? client->video_queue : client->audio_queue);
+	assert(queue != NULL); // Audio may be NULL
 
 	while (!atomic_load(&client->stop)) {
-		const int ri = us_ring_consumer_acquire(ring, 0.1);
-		if (ri < 0) {
-			continue;
-		}
-		us_rtp_s rtp;
-		memcpy(&rtp, ring->items[ri], sizeof(us_rtp_s));
-		us_ring_consumer_release(ring, ri);
+		us_rtp_s *rtp;
+		if (!us_queue_get(queue, (void **)&rtp, 0.1)) {
+			if (rtp == NULL) {
+				break;
+			}
 
-		if (
-			atomic_load(&client->transmit)
-			&& (video || atomic_load(&client->transmit_audio))
-		) {
-			janus_plugin_rtp packet = {
-				.video = rtp.video,
-				.buffer = (char*)rtp.datagram,
-				.length = rtp.used,
+			if (
+				atomic_load(&client->transmit)
+				&& (video || atomic_load(&client->transmit_audio))
+			) {
+				janus_plugin_rtp packet = {0};
+				packet.video = rtp->video;
+				packet.buffer = (char *)rtp->datagram;
+				packet.length = rtp->used;
 #				if JANUS_PLUGIN_API_VERSION >= 100
 				// The uStreamer Janus plugin places video in stream index 0 and audio
 				// (if available) in stream index 1.
-				.mindex = (rtp.video ? 0 : 1),
+				packet.mindex = (rtp->video ? 0 : 1);
 #				endif
-			};
-			janus_plugin_rtp_extensions_reset(&packet.extensions);
 
-			/*if (rtp->zero_playout_delay) {
-				// https://github.com/pikvm/pikvm/issues/784
-				packet.extensions.min_delay = 0;
-				packet.extensions.max_delay = 0;
-			} else {
-				packet.extensions.min_delay = 0;
-				// 10s - Chromium/WebRTC default
-				// 3s - Firefox default
-				packet.extensions.max_delay = 300; // == 3s, i.e. 10ms granularity
-			}*/
+				janus_plugin_rtp_extensions_reset(&packet.extensions);
+				/*if (rtp->zero_playout_delay) {
+					// https://github.com/pikvm/pikvm/issues/784
+					packet.extensions.min_delay = 0;
+					packet.extensions.max_delay = 0;
+				} else {
+					packet.extensions.min_delay = 0;
+					// 10s - Chromium/WebRTC default
+					// 3s - Firefox default
+					packet.extensions.max_delay = 300; // == 3s, i.e. 10ms granularity
+				}*/
 
-			if (rtp.video) {
-				const uint video_orient = atomic_load(&client->video_orient);
-				if (video_orient != 0) {
-					packet.extensions.video_rotation = video_orient;
-				}
+				client->gw->relay_rtp(client->session, &packet);
 			}
-
-			client->gw->relay_rtp(client->session, &packet);
+			us_rtp_destroy(rtp);
 		}
 	}
 	return NULL;

janus/src/client.h

@@ -2,7 +2,7 @@
 #                                                                            #
 #    uStreamer - Lightweight and fast MJPEG-HTTP streamer.                   #
 #                                                                            #
-#    Copyright (C) 2018-2024  Maxim Devaev <mdevaev@gmail.com>               #
+#    Copyright (C) 2018-2023  Maxim Devaev <mdevaev@gmail.com>               #
 #                                                                            #
 #    This program is free software: you can redistribute it and/or modify    #
 #    it under the terms of the GNU General Public License as published by    #
@@ -22,33 +22,37 @@
 
 #pragma once
 
+#include <stdlib.h>
+#include <stdbool.h>
 #include <stdatomic.h>
+#include <string.h>
 
 #include <pthread.h>
 #include <janus/plugins/plugin.h>
 
-#include "uslibs/types.h"
+#include "uslibs/tools.h"
+#include "uslibs/threading.h"
 #include "uslibs/list.h"
-#include "uslibs/ring.h"
 
+#include "logging.h"
+#include "queue.h"
 #include "rtp.h"
 
 
-typedef struct {
+typedef struct us_janus_client_sx {
 	janus_callbacks			*gw;
 	janus_plugin_session	*session;
 	atomic_bool				transmit;
 	atomic_bool				transmit_audio;
-	atomic_uint				video_orient;
 
 	pthread_t				video_tid;
 	pthread_t				audio_tid;
 	atomic_bool				stop;
 
-	us_ring_s				*video_ring;
-	us_ring_s				*audio_ring;
+	us_queue_s				*video_queue;
+	us_queue_s				*audio_queue;
 
-    US_LIST_DECLARE;
+    US_LIST_STRUCT(struct us_janus_client_sx);
 } us_janus_client_s;
 
 

janus/src/config.c

@@ -2,7 +2,7 @@
 #                                                                            #
 #    uStreamer - Lightweight and fast MJPEG-HTTP streamer.                   #
 #                                                                            #
-#    Copyright (C) 2018-2024  Maxim Devaev <mdevaev@gmail.com>               #
+#    Copyright (C) 2018-2023  Maxim Devaev <mdevaev@gmail.com>               #
 #                                                                            #
 #    This program is free software: you can redistribute it and/or modify    #
 #    it under the terms of the GNU General Public License as published by    #
@@ -22,17 +22,6 @@
 
 #include "config.h"
 
-#include <stdlib.h>
-#include <string.h>
-
-#include <janus/config.h>
-#include <janus/plugins/plugin.h>
-
-#include "uslibs/tools.h"
-
-#include "const.h"
-#include "logging.h"
-
 
 static char *_get_value(janus_config *jcfg, const char *section, const char *option);
 // static bool _get_bool(janus_config *jcfg, const char *section, const char *option, bool def);
@@ -70,14 +59,13 @@ us_config_s *us_config_init(const char *config_dir_path) {
 	}
 
 	goto ok;
-
-error:
-	US_DELETE(config, us_config_destroy);
-
-ok:
-	US_DELETE(jcfg, janus_config_destroy);
-	free(config_file_path);
-	return config;
+	error:
+		us_config_destroy(config);
+		config = NULL;
+	ok:
+		US_DELETE(jcfg, janus_config_destroy);
+		free(config_file_path);
+		return config;
 }
 
 void us_config_destroy(us_config_s *config) {

janus/src/config.h

@@ -2,7 +2,7 @@
 #                                                                            #
 #    uStreamer - Lightweight and fast MJPEG-HTTP streamer.                   #
 #                                                                            #
-#    Copyright (C) 2018-2024  Maxim Devaev <mdevaev@gmail.com>               #
+#    Copyright (C) 2018-2023  Maxim Devaev <mdevaev@gmail.com>               #
 #                                                                            #
 #    This program is free software: you can redistribute it and/or modify    #
 #    it under the terms of the GNU General Public License as published by    #
@@ -22,6 +22,17 @@
 
 #pragma once
 
+#include <stdlib.h>
+#include <string.h>
+
+#include <janus/config.h>
+#include <janus/plugins/plugin.h>
+
+#include "uslibs/tools.h"
+
+#include "const.h"
+#include "logging.h"
+
 
 typedef struct {
 	char	*video_sink_name;

janus/src/const.h

@@ -2,7 +2,7 @@
 #                                                                            #
 #    uStreamer - Lightweight and fast MJPEG-HTTP streamer.                   #
 #                                                                            #
-#    Copyright (C) 2018-2024  Maxim Devaev <mdevaev@gmail.com>               #
+#    Copyright (C) 2018-2023  Maxim Devaev <mdevaev@gmail.com>               #
 #                                                                            #
 #    This program is free software: you can redistribute it and/or modify    #
 #    it under the terms of the GNU General Public License as published by    #

janus/src/logging.h

@@ -2,7 +2,7 @@
 #                                                                            #
 #    uStreamer - Lightweight and fast MJPEG-HTTP streamer.                   #
 #                                                                            #
-#    Copyright (C) 2018-2024  Maxim Devaev <mdevaev@gmail.com>               #
+#    Copyright (C) 2018-2023  Maxim Devaev <mdevaev@gmail.com>               #
 #                                                                            #
 #    This program is free software: you can redistribute it and/or modify    #
 #    it under the terms of the GNU General Public License as published by    #
@@ -36,3 +36,11 @@
 		JANUS_LOG(LOG_ERR, "[%s/%-9s] " x_msg ": %s\n", US_PLUGIN_NAME, x_prefix, ##__VA_ARGS__, m_perror_str); \
 		free(m_perror_str); \
 	}
+
+#define US_ONCE(...) { \
+		const int m_reported = __LINE__; \
+		if (m_reported != once) { \
+			__VA_ARGS__; \
+			once = m_reported; \
+		} \
+	}

janus/src/memsinkfd.c

@@ -2,7 +2,7 @@
 #                                                                            #
 #    uStreamer - Lightweight and fast MJPEG-HTTP streamer.                   #
 #                                                                            #
-#    Copyright (C) 2018-2024  Maxim Devaev <mdevaev@gmail.com>               #
+#    Copyright (C) 2018-2023  Maxim Devaev <mdevaev@gmail.com>               #
 #                                                                            #
 #    This program is free software: you can redistribute it and/or modify    #
 #    it under the terms of the GNU General Public License as published by    #
@@ -22,25 +22,13 @@
 
 #include "memsinkfd.h"
 
-#include <unistd.h>
 
-#include <linux/videodev2.h>
-
-#include "uslibs/types.h"
-#include "uslibs/errors.h"
-#include "uslibs/tools.h"
-#include "uslibs/frame.h"
-#include "uslibs/memsinksh.h"
-
-#include "logging.h"
-
-
-int us_memsink_fd_wait_frame(int fd, us_memsink_shared_s *mem, u64 last_id) {
-	const ldf deadline_ts = us_get_now_monotonic() + 1; // wait_timeout
-	ldf now_ts;
+int us_memsink_fd_wait_frame(int fd, us_memsink_shared_s* mem, uint64_t last_id) {
+	const long double deadline_ts = us_get_now_monotonic() + 1; // wait_timeout
+	long double now;
 	do {
 		const int result = us_flock_timedwait_monotonic(fd, 1); // lock_timeout
-		now_ts = us_get_now_monotonic();
+		now = us_get_now_monotonic();
 		if (result < 0 && errno != EWOULDBLOCK) {
 			US_JLOG_PERROR("video", "Can't lock memsink");
 			return -1;
@@ -54,12 +42,13 @@ int us_memsink_fd_wait_frame(int fd, us_memsink_shared_s *mem, u64 last_id) {
 			}
 		}
 		usleep(1000); // lock_polling
-	} while (now_ts < deadline_ts);
-	return US_ERROR_NO_DATA;
+	} while (now < deadline_ts);
+	return -2;
 }
 
-int us_memsink_fd_get_frame(int fd, us_memsink_shared_s *mem, us_frame_s *frame, u64 *frame_id, bool key_required) {
-	us_frame_set_data(frame, us_memsink_get_data(mem), mem->used);
+us_frame_s *us_memsink_fd_get_frame(int fd, us_memsink_shared_s *mem, uint64_t *frame_id, bool key_required) {
+	us_frame_s *frame = us_frame_init();
+	us_frame_set_data(frame, mem->data, mem->used);
 	US_FRAME_COPY_META(mem, frame);
 	*frame_id = mem->id;
 	mem->last_client_ts = us_get_now_monotonic();
@@ -67,14 +56,18 @@ int us_memsink_fd_get_frame(int fd, us_memsink_shared_s *mem, us_frame_s *frame,
 		mem->key_requested = true;
 	}
 
-	bool retval = 0;
+	bool ok = true;
 	if (frame->format != V4L2_PIX_FMT_H264) {
 		US_JLOG_ERROR("video", "Got non-H264 frame from memsink");
-		retval = -1;
+		ok = false;
 	}
 	if (flock(fd, LOCK_UN) < 0) {
 		US_JLOG_PERROR("video", "Can't unlock memsink");
-		retval = -1;
+		ok = false;
 	}
-	return retval;
+	if (!ok) {
+		us_frame_destroy(frame);
+		frame = NULL;
+	}
+	return frame;
 }

janus/src/memsinkfd.h

@@ -2,7 +2,7 @@
 #                                                                            #
 #    uStreamer - Lightweight and fast MJPEG-HTTP streamer.                   #
 #                                                                            #
-#    Copyright (C) 2018-2024  Maxim Devaev <mdevaev@gmail.com>               #
+#    Copyright (C) 2018-2023  Maxim Devaev <mdevaev@gmail.com>               #
 #                                                                            #
 #    This program is free software: you can redistribute it and/or modify    #
 #    it under the terms of the GNU General Public License as published by    #
@@ -22,10 +22,18 @@
 
 #pragma once
 
-#include "uslibs/types.h"
+#include <stdbool.h>
+#include <stdint.h>
+#include <unistd.h>
+
+#include <linux/videodev2.h>
+
+#include "uslibs/tools.h"
 #include "uslibs/frame.h"
 #include "uslibs/memsinksh.h"
 
+#include "logging.h"
 
-int us_memsink_fd_wait_frame(int fd, us_memsink_shared_s *mem, u64 last_id);
-int us_memsink_fd_get_frame(int fd, us_memsink_shared_s *mem, us_frame_s *frame, u64 *frame_id, bool key_required);
+
+int us_memsink_fd_wait_frame(int fd, us_memsink_shared_s* mem, uint64_t last_id);
+us_frame_s *us_memsink_fd_get_frame(int fd, us_memsink_shared_s *mem, uint64_t *frame_id, bool key_required);

janus/src/plugin.c

@@ -2,7 +2,7 @@
 #                                                                            #
 #    uStreamer - Lightweight and fast MJPEG-HTTP streamer.                   #
 #                                                                            #
-#    Copyright (C) 2018-2024  Maxim Devaev <mdevaev@gmail.com>               #
+#    Copyright (C) 2018-2023  Maxim Devaev <mdevaev@gmail.com>               #
 #                                                                            #
 #    This program is free software: you can redistribute it and/or modify    #
 #    it under the terms of the GNU General Public License as published by    #
@@ -20,6 +20,8 @@
 *****************************************************************************/
 
 
+#include <stdint.h>
+#include <stdbool.h>
 #include <stdatomic.h>
 #include <stdlib.h>
 #include <inttypes.h>
@@ -35,20 +37,18 @@
 #include <janus/plugins/plugin.h>
 #include <janus/rtcp.h>
 
-#include "uslibs/types.h"
 #include "uslibs/const.h"
-#include "uslibs/errors.h"
 #include "uslibs/tools.h"
 #include "uslibs/threading.h"
 #include "uslibs/list.h"
-#include "uslibs/ring.h"
 #include "uslibs/memsinksh.h"
-#include "uslibs/tc358743.h"
 
 #include "const.h"
 #include "logging.h"
+#include "queue.h"
 #include "client.h"
 #include "audio.h"
+#include "tc358743.h"
 #include "rtp.h"
 #include "rtpv.h"
 #include "rtpa.h"
@@ -61,7 +61,7 @@ static const useconds_t	_g_watchers_polling = 100000;
 
 static us_janus_client_s	*_g_clients = NULL;
 static janus_callbacks		*_g_gw = NULL;
-static us_ring_s			*_g_video_ring = NULL;
+static us_queue_s			*_g_video_queue = NULL;
 static us_rtpv_s			*_g_rtpv = NULL;
 static us_rtpa_s			*_g_rtpa = NULL;
 
@@ -99,32 +99,28 @@ static atomic_bool		_g_key_required = false;
 janus_plugin *create(void);
 
 
-static void *_video_rtp_thread(void *arg) {
-	(void)arg;
-	US_THREAD_SETTLE("us_video_rtp");
+static void *_video_rtp_thread(UNUSED void *arg) {
+	US_THREAD_RENAME("us_video_rtp");
 	atomic_store(&_g_video_rtp_tid_created, true);
 
 	while (!_STOP) {
-		const int ri = us_ring_consumer_acquire(_g_video_ring, 0.1);
-		if (ri >= 0) {
-			const us_frame_s *const frame = _g_video_ring->items[ri];
+		us_frame_s *frame;
+		if (us_queue_get(_g_video_queue, (void **)&frame, 0.1) == 0) {
 			_LOCK_VIDEO;
 			const bool zero_playout_delay = (frame->gop == 0);
 			us_rtpv_wrap(_g_rtpv, frame, zero_playout_delay);
 			_UNLOCK_VIDEO;
-			us_ring_consumer_release(_g_video_ring, ri);
+			us_frame_destroy(frame);
 		}
 	}
 	return NULL;
 }
 
-static void *_video_sink_thread(void *arg) {
-	(void)arg;
-	US_THREAD_SETTLE("us_video_sink");
+static void *_video_sink_thread(UNUSED void *arg) {
+	US_THREAD_RENAME("us_video_sink");
 	atomic_store(&_g_video_sink_tid_created, true);
 
-	us_frame_s *drop = us_frame_init();
-	u64 frame_id = 0;
+	uint64_t frame_id = 0;
 	int once = 0;
 
 	while (!_STOP) {
@@ -137,18 +133,12 @@ static void *_video_sink_thread(void *arg) {
 		int fd = -1;
 		us_memsink_shared_s *mem = NULL;
 
-		const uz data_size = us_memsink_calculate_size(_g_config->video_sink_name);
-		if (data_size == 0) {
-			US_ONCE({ US_JLOG_ERROR("video", "Invalid memsink object suffix"); });
-			goto close_memsink;
-		}
-
 		if ((fd = shm_open(_g_config->video_sink_name, O_RDWR, 0)) <= 0) {
 			US_ONCE({ US_JLOG_PERROR("video", "Can't open memsink"); });
 			goto close_memsink;
 		}
 
-		if ((mem = us_memsink_shared_map(fd, data_size)) == NULL) {
+		if ((mem = us_memsink_shared_map(fd)) == NULL) {
 			US_ONCE({ US_JLOG_PERROR("video", "Can't map memsink"); });
 			goto close_memsink;
 		}
@@ -157,68 +147,40 @@ static void *_video_sink_thread(void *arg) {
 
 		US_JLOG_INFO("video", "Memsink opened; reading frames ...");
 		while (!_STOP && _HAS_WATCHERS) {
-			const int waited = us_memsink_fd_wait_frame(fd, mem, frame_id);
-			if (waited == 0) {
-				const int ri = us_ring_producer_acquire(_g_video_ring, 0);
-				us_frame_s *frame;
-				if (ri >= 0) {
-					frame = _g_video_ring->items[ri];
-				} else {
-					US_ONCE({ US_JLOG_PERROR("video", "Video ring is full"); });
-					frame = drop;
-				}
-
-				const int got = us_memsink_fd_get_frame(fd, mem, frame, &frame_id, atomic_load(&_g_key_required));
-				if (ri >= 0) {
-					us_ring_producer_release(_g_video_ring, ri);
-				}
-				if (got < 0) {
+			const int result = us_memsink_fd_wait_frame(fd, mem, frame_id);
+			if (result == 0) {
+				us_frame_s *const frame = us_memsink_fd_get_frame(fd, mem, &frame_id, atomic_load(&_g_key_required));
+				if (frame == NULL) {
 					goto close_memsink;
 				}
-
-				if (ri >= 0 && frame->key) {
+				if (frame->key) {
 					atomic_store(&_g_key_required, false);
 				}
-			} else if (waited != US_ERROR_NO_DATA) {
+				if (us_queue_put(_g_video_queue, frame, 0) != 0) {
+					US_ONCE({ US_JLOG_PERROR("video", "Video queue is full"); });
+					us_frame_destroy(frame);
+				}
+			} else if (result == -1) {
 				goto close_memsink;
 			}
 		}
 
-	close_memsink:
-		if (mem != NULL) {
-			us_memsink_shared_unmap(mem, data_size);
-			mem = NULL;
-		}
-		US_CLOSE_FD(fd);
-		US_JLOG_INFO("video", "Memsink closed");
-		sleep(1); // error_delay
+		close_memsink:
+			if (mem != NULL) {
+				US_JLOG_INFO("video", "Memsink closed");
+				us_memsink_shared_unmap(mem);
+			}
+			if (fd >= 0) {
+				close(fd);
+			}
+			sleep(1); // error_delay
 	}
-
-	us_frame_destroy(drop);
 	return NULL;
 }
 
-static int _check_tc358743_audio(uint *audio_hz) {
-	int fd;
-	if ((fd = open(_g_config->tc358743_dev_path, O_RDWR)) < 0) {
-		US_JLOG_PERROR("audio", "Can't open TC358743 V4L2 device");
-		return -1;
-	}
-	const int checked = us_tc358743_xioctl_get_audio_hz(fd, audio_hz);
-	if (checked < 0) {
-		US_JLOG_PERROR("audio", "Can't check TC358743 audio state (%d)", checked);
-		close(fd);
-		return -1;
-	}
-	close(fd);
-	return 0;
-}
-
-static void *_audio_thread(void *arg) {
-	(void)arg;
-	US_THREAD_SETTLE("us_audio");
+static void *_audio_thread(UNUSED void *arg) {
+	US_THREAD_RENAME("us_audio");
 	atomic_store(&_g_audio_tid_created, true);
-
 	assert(_g_config->audio_dev_name != NULL);
 	assert(_g_config->tc358743_dev_path != NULL);
 
@@ -230,30 +192,35 @@ static void *_audio_thread(void *arg) {
 			continue;
 		}
 
-		uint audio_hz = 0;
+		us_tc358743_info_s info = {0};
 		us_audio_s *audio = NULL;
 
-		if (_check_tc358743_audio(&audio_hz) < 0) {
+		if (us_tc358743_read_info(_g_config->tc358743_dev_path, &info) < 0) {
 			goto close_audio;
 		}
-		if (audio_hz == 0) {
+		if (!info.has_audio) {
 			US_ONCE({ US_JLOG_INFO("audio", "No audio presented from the host"); });
 			goto close_audio;
 		}
 		US_ONCE({ US_JLOG_INFO("audio", "Detected host audio"); });
-		if ((audio = us_audio_init(_g_config->audio_dev_name, audio_hz)) == NULL) {
+		if ((audio = us_audio_init(_g_config->audio_dev_name, info.audio_hz)) == NULL) {
 			goto close_audio;
 		}
 
 		once = 0;
 
 		while (!_STOP && _HAS_WATCHERS && _HAS_LISTENERS) {
-			if (_check_tc358743_audio(&audio_hz) < 0 || audio->pcm_hz != audio_hz) {
+			if (
+				us_tc358743_read_info(_g_config->tc358743_dev_path, &info) < 0
+				|| !info.has_audio
+				|| audio->pcm_hz != info.audio_hz
+			) {
 				goto close_audio;
 			}
-			uz size = US_RTP_DATAGRAM_SIZE - US_RTP_HEADER_SIZE;
-			u8 data[size];
-			u64 pts;
+
+			size_t size = US_RTP_DATAGRAM_SIZE - US_RTP_HEADER_SIZE;
+			uint8_t data[size];
+			uint64_t pts;
 			const int result = us_audio_get_encoded(audio, data, &size, &pts);
 			if (result == 0) {
 				_LOCK_AUDIO;
@@ -264,9 +231,9 @@ static void *_audio_thread(void *arg) {
 			}
 		}
 
-	close_audio:
-		US_DELETE(audio, us_audio_destroy);
-		sleep(1); // error_delay
+		close_audio:
+			US_DELETE(audio, us_audio_destroy);
+			sleep(1); // error_delay
 	}
 	return NULL;
 }
@@ -290,7 +257,7 @@ static int _plugin_init(janus_callbacks *gw, const char *config_dir_path) {
 	}
 	_g_gw = gw;
 
-	US_RING_INIT_WITH_ITEMS(_g_video_ring, 64, us_frame_init);
+	_g_video_queue = us_queue_init(1024);
 	_g_rtpv = us_rtpv_init(_relay_rtp_clients);
 	if (_g_config->audio_dev_name != NULL && us_audio_probe(_g_config->audio_dev_name)) {
 		_g_rtpa = us_rtpa_init(_relay_rtp_clients);
@@ -318,7 +285,7 @@ static void _plugin_destroy(void) {
 		us_janus_client_destroy(client);
 	});
 
-	US_RING_DELETE_WITH_ITEMS(_g_video_ring, us_frame_destroy);
+	US_QUEUE_DELETE_WITH_ITEMS(_g_video_queue, us_frame_destroy);
 
 	US_DELETE(_g_rtpa, us_rtpa_destroy);
 	US_DELETE(_g_rtpv, us_rtpv_destroy);
@@ -377,8 +344,7 @@ static json_t *_plugin_query_session(janus_plugin_session *session) {
 	return info;
 }
 
-static void _set_transmit(janus_plugin_session *session, const char *msg, bool transmit) {
-	(void)msg;
+static void _set_transmit(janus_plugin_session *session, UNUSED const char *msg, bool transmit) {
 	_IF_DISABLED({ return; });
 	_LOCK_ALL;
 	bool found = false;
@@ -406,13 +372,17 @@ static void _plugin_hangup_media(janus_plugin_session *session) { _set_transmit(
 static struct janus_plugin_result *_plugin_handle_message(
 	janus_plugin_session *session, char *transaction, json_t *msg, json_t *jsep) {
 
-	janus_plugin_result_type result_type = JANUS_PLUGIN_OK;
-	char *result_msg = NULL;
+	assert(transaction != NULL);
+
+#	define FREE_MSG_JSEP { \
+			US_DELETE(msg, json_decref); \
+			US_DELETE(jsep, json_decref); \
+		}
 
 	if (session == NULL || msg == NULL) {
-		result_type = JANUS_PLUGIN_ERROR;
-		result_msg = (msg ? "No session" : "No message");
-		goto done;
+		free(transaction);
+		FREE_MSG_JSEP;
+		return janus_plugin_result_new(JANUS_PLUGIN_ERROR, (msg ? "No session" : "No message"), NULL);
 	}
 
 #	define PUSH_ERROR(x_error, x_reason) { \
@@ -421,20 +391,20 @@ static struct janus_plugin_result *_plugin_handle_message(
 			json_object_set_new(m_event, "ustreamer", json_string("event")); \
 			json_object_set_new(m_event, "error_code", json_integer(x_error)); \
 			json_object_set_new(m_event, "error", json_string(x_reason)); \
-			_g_gw->push_event(session, create(), NULL, m_event, NULL); \
+			_g_gw->push_event(session, create(), transaction, m_event, NULL); \
 			json_decref(m_event); \
 		}
 
 	json_t *const request = json_object_get(msg, "request");
 	if (request == NULL) {
 		PUSH_ERROR(400, "Request missing");
-		goto done;
+		goto ok_wait;
 	}
 
 	const char *const request_str = json_string_value(request);
 	if (request_str == NULL) {
 		PUSH_ERROR(400, "Request not a string");
-		goto done;
+		goto ok_wait;
 	}
 	// US_JLOG_INFO("main", "Message: %s", request_str);
 
@@ -444,10 +414,10 @@ static struct janus_plugin_result *_plugin_handle_message(
 			json_t *const m_result = json_object(); \
 			json_object_set_new(m_result, "status", json_string(x_status)); \
 			if (x_payload != NULL) { \
-				json_object_set(m_result, x_status, x_payload); \
+				json_object_set_new(m_result, x_status, x_payload); \
 			} \
 			json_object_set_new(m_event, "result", m_result); \
-			_g_gw->push_event(session, create(), NULL, m_event, x_jsep); \
+			_g_gw->push_event(session, create(), transaction, m_event, x_jsep); \
 			json_decref(m_event); \
 		}
 
@@ -459,25 +429,12 @@ static struct janus_plugin_result *_plugin_handle_message(
 
 	} else if (!strcmp(request_str, "watch")) {
 		bool with_audio = false;
-		uint video_orient = 0;
 		{
 			json_t *const params = json_object_get(msg, "params");
 			if (params != NULL) {
-				{
-					json_t *const obj = json_object_get(params, "audio");
-					if (obj != NULL && json_is_boolean(obj)) {
-						with_audio = (_g_rtpa != NULL && json_boolean_value(obj));
-					}
-				}
-				{
-					json_t *const obj = json_object_get(params, "orientation");
-					if (obj != NULL && json_is_integer(obj)) {
-						video_orient = json_integer_value(obj);
-						switch (video_orient) {
-							case 90: case 180: case 270: break;
-							default: video_orient = 0; break;
-						}
-					}
+				json_t *const audio = json_object_get(params, "audio");
+				if (audio != NULL && json_is_boolean(audio)) {
+					with_audio = (_g_rtpa != NULL && json_boolean_value(audio));
 				}
 			}
 		}
@@ -517,7 +474,6 @@ static struct janus_plugin_result *_plugin_handle_message(
 			US_LIST_ITERATE(_g_clients, client, {
 				if (client->session == session) {
 					atomic_store(&client->transmit_audio, with_audio);
-					atomic_store(&client->video_orient, video_orient);
 				}
 				has_listeners = (has_listeners || atomic_load(&client->transmit_audio));
 			});
@@ -538,22 +494,16 @@ static struct janus_plugin_result *_plugin_handle_message(
 		PUSH_ERROR(405, "Not implemented");
 	}
 
-done:
-	US_DELETE(transaction, free);
-	US_DELETE(msg, json_decref);
-	US_DELETE(jsep, json_decref);
-
-	return janus_plugin_result_new(
-		result_type, result_msg,
-		(result_type == JANUS_PLUGIN_OK ? json_pack("{sb}", "ok", 1) : NULL));
+	ok_wait:
+		FREE_MSG_JSEP;
+		return janus_plugin_result_new(JANUS_PLUGIN_OK_WAIT, NULL, NULL);
 
 #	undef PUSH_STATUS
 #	undef PUSH_ERROR
+#	undef FREE_MSG_JSEP
 }
 
-static void _plugin_incoming_rtcp(janus_plugin_session *handle, janus_plugin_rtcp *packet) {
-	(void)handle;
-	(void)packet;
+static void _plugin_incoming_rtcp(UNUSED janus_plugin_session *handle, UNUSED janus_plugin_rtcp *packet) {
 	if (packet->video && janus_rtcp_has_pli(packet->buffer, packet->length)) {
 		// US_JLOG_INFO("main", "Got video PLI");
 		atomic_store(&_g_key_required, true);

janus/src/queue.c

@@ -2,7 +2,7 @@
 #                                                                            #
 #    uStreamer - Lightweight and fast MJPEG-HTTP streamer.                   #
 #                                                                            #
-#    Copyright (C) 2018-2024  Maxim Devaev <mdevaev@gmail.com>               #
+#    Copyright (C) 2018-2023  Maxim Devaev <mdevaev@gmail.com>               #
 #                                                                            #
 #    This program is free software: you can redistribute it and/or modify    #
 #    it under the terms of the GNU General Public License as published by    #
@@ -22,18 +22,8 @@
 
 #include "queue.h"
 
-#include <errno.h>
-#include <time.h>
-#include <assert.h>
 
-#include <pthread.h>
-
-#include "types.h"
-#include "tools.h"
-#include "threading.h"
-
-
-us_queue_s *us_queue_init(uint capacity) {
+us_queue_s *us_queue_init(unsigned capacity) {
 	us_queue_s *queue;
 	US_CALLOC(queue, 1);
 	US_CALLOC(queue->items, capacity);
@@ -71,7 +61,7 @@ void us_queue_destroy(us_queue_s *queue) {
 		} \
 	}
 
-int us_queue_put(us_queue_s *queue, void *item, ldf timeout) {
+int us_queue_put(us_queue_s *queue, void *item, long double timeout) {
 	US_MUTEX_LOCK(queue->mutex);
 	if (timeout == 0) {
 		if (queue->size == queue->capacity) {
@@ -90,7 +80,7 @@ int us_queue_put(us_queue_s *queue, void *item, ldf timeout) {
 	return 0;
 }
 
-int us_queue_get(us_queue_s *queue, void **item, ldf timeout) {
+int us_queue_get(us_queue_s *queue, void **item, long double timeout) {
 	US_MUTEX_LOCK(queue->mutex);
 	_WAIT_OR_UNLOCK(queue->size == 0, queue->empty_cond);
 	*item = queue->items[queue->out];
@@ -104,9 +94,9 @@ int us_queue_get(us_queue_s *queue, void **item, ldf timeout) {
 
 #undef _WAIT_OR_UNLOCK
 
-bool us_queue_is_empty(us_queue_s *queue) {
+int us_queue_get_free(us_queue_s *queue) {
 	US_MUTEX_LOCK(queue->mutex);
-	const uint size = queue->size;
+	const unsigned size = queue->size;
 	US_MUTEX_UNLOCK(queue->mutex);
-	return (bool)(queue->capacity - size);
+	return queue->capacity - size;
 }

janus/src/queue.h

@@ -2,7 +2,7 @@
 #                                                                            #
 #    uStreamer - Lightweight and fast MJPEG-HTTP streamer.                   #
 #                                                                            #
-#    Copyright (C) 2018-2024  Maxim Devaev <mdevaev@gmail.com>               #
+#    Copyright (C) 2018-2023  Maxim Devaev <mdevaev@gmail.com>               #
 #                                                                            #
 #    This program is free software: you can redistribute it and/or modify    #
 #    it under the terms of the GNU General Public License as published by    #
@@ -22,20 +22,24 @@
 
 #pragma once
 
+#include <errno.h>
+#include <time.h>
+#include <assert.h>
+
 #include <pthread.h>
 
-#include "types.h"
-#include "tools.h"
+#include "uslibs/tools.h"
+#include "uslibs/threading.h"
 
 
 // Based on https://github.com/seifzadeh/c-pthread-queue/blob/master/queue.h
 
 typedef struct {
 	void			**items;
-	uint			size;
-	uint			capacity;
-	uint			in;
-	uint			out;
+	unsigned		size;
+	unsigned		capacity;
+	unsigned		in;
+	unsigned		out;
 
 	pthread_mutex_t	mutex;
 	pthread_cond_t	full_cond;
@@ -45,7 +49,7 @@ typedef struct {
 
 #define US_QUEUE_DELETE_WITH_ITEMS(x_queue, x_free_item) { \
 		if (x_queue) { \
-			while (!us_queue_is_empty(x_queue)) { \
+			while (!us_queue_get_free(x_queue)) { \
 				void *m_ptr; \
 				if (!us_queue_get(x_queue, &m_ptr, 0)) { \
 					US_DELETE(m_ptr, x_free_item); \
@@ -56,9 +60,9 @@ typedef struct {
 	}
 
 
-us_queue_s *us_queue_init(uint capacity);
+us_queue_s *us_queue_init(unsigned capacity);
 void us_queue_destroy(us_queue_s *queue);
 
-int us_queue_put(us_queue_s *queue, void *item, ldf timeout);
-int us_queue_get(us_queue_s *queue, void **item, ldf timeout);
-bool us_queue_is_empty(us_queue_s *queue);
+int us_queue_put(us_queue_s *queue, void *item, long double timeout);
+int us_queue_get(us_queue_s *queue, void **item, long double timeout);
+int us_queue_get_free(us_queue_s *queue);

janus/src/rtp.c

@@ -5,7 +5,7 @@
 #    This source file is partially based on this code:                       #
 #      - https://github.com/catid/kvm/blob/master/kvm_pipeline/src           #
 #                                                                            #
-#    Copyright (C) 2018-2024  Maxim Devaev <mdevaev@gmail.com>               #
+#    Copyright (C) 2018-2023  Maxim Devaev <mdevaev@gmail.com>               #
 #                                                                            #
 #    This program is free software: you can redistribute it and/or modify    #
 #    it under the terms of the GNU General Public License as published by    #
@@ -25,30 +25,29 @@
 
 #include "rtp.h"
 
-#include <stdlib.h>
 
-#include "uslibs/types.h"
-#include "uslibs/tools.h"
-
-
-us_rtp_s *us_rtp_init(void) {
+us_rtp_s *us_rtp_init(unsigned payload, bool video) {
 	us_rtp_s *rtp;
 	US_CALLOC(rtp, 1);
+	rtp->payload = payload;
+	rtp->video = video;
+	rtp->ssrc = us_triple_u32(us_get_now_monotonic_u64());
 	return rtp;
 }
 
+us_rtp_s *us_rtp_dup(const us_rtp_s *rtp) {
+	us_rtp_s *new;
+	US_CALLOC(new, 1);
+	memcpy(new, rtp, sizeof(us_rtp_s));
+	return new;
+}
+
 void us_rtp_destroy(us_rtp_s *rtp) {
 	free(rtp);
 }
 
-void us_rtp_assign(us_rtp_s *rtp, uint payload, bool video) {
-	rtp->payload = payload;
-	rtp->video = video;
-	rtp->ssrc = us_triple_u32(us_get_now_monotonic_u64());
-}
-
-void us_rtp_write_header(us_rtp_s *rtp, u32 pts, bool marked) {
-	u32 word0 = 0x80000000;
+void us_rtp_write_header(us_rtp_s *rtp, uint32_t pts, bool marked) {
+	uint32_t word0 = 0x80000000;
 	if (marked) {
 		word0 |= 1 << 23;
 	}
@@ -56,8 +55,7 @@ void us_rtp_write_header(us_rtp_s *rtp, u32 pts, bool marked) {
 	word0 |= rtp->seq;
 	++rtp->seq;
 
-#	define WRITE_BE_U32(x_offset, x_value) \
-		*((u32*)(rtp->datagram + x_offset)) = __builtin_bswap32(x_value)
+#	define WRITE_BE_U32(_offset, _value) *((uint32_t *)(rtp->datagram + _offset)) = __builtin_bswap32(_value)
 	WRITE_BE_U32(0, word0);
 	WRITE_BE_U32(4, pts);
 	WRITE_BE_U32(8, rtp->ssrc);

janus/src/rtp.h

@@ -2,7 +2,7 @@
 #                                                                            #
 #    uStreamer - Lightweight and fast MJPEG-HTTP streamer.                   #
 #                                                                            #
-#    Copyright (C) 2018-2024  Maxim Devaev <mdevaev@gmail.com>               #
+#    Copyright (C) 2018-2023  Maxim Devaev <mdevaev@gmail.com>               #
 #                                                                            #
 #    This program is free software: you can redistribute it and/or modify    #
 #    it under the terms of the GNU General Public License as published by    #
@@ -22,7 +22,13 @@
 
 #pragma once
 
-#include "uslibs/types.h"
+#include <stdlib.h>
+#include <stdint.h>
+#include <stdbool.h>
+
+#include <sys/types.h>
+
+#include "uslibs/tools.h"
 
 
 // https://stackoverflow.com/questions/47635545/why-webrtc-chose-rtp-max-packet-size-to-1200-bytes
@@ -31,21 +37,21 @@
 
 
 typedef struct {
-	uint	payload;
-	bool	video;
-	u32		ssrc;
+	unsigned	payload;
+	bool		video;
+	uint32_t	ssrc;
 
-	u16		seq;
-	u8		datagram[US_RTP_DATAGRAM_SIZE];
-	uz		used;
-	bool	zero_playout_delay;
+	uint16_t	seq;
+	uint8_t		datagram[US_RTP_DATAGRAM_SIZE];
+	size_t		used;
+	bool		zero_playout_delay;
 } us_rtp_s;
 
 typedef void (*us_rtp_callback_f)(const us_rtp_s *rtp);
 
 
-us_rtp_s *us_rtp_init(void);
+us_rtp_s *us_rtp_init(unsigned payload, bool video);
+us_rtp_s *us_rtp_dup(const us_rtp_s *rtp);
 void us_rtp_destroy(us_rtp_s *rtp);
 
-void us_rtp_assign(us_rtp_s *rtp, uint payload, bool video);
-void us_rtp_write_header(us_rtp_s *rtp, u32 pts, bool marked);
+void us_rtp_write_header(us_rtp_s *rtp, uint32_t pts, bool marked);

janus/src/rtpa.c

@@ -2,7 +2,7 @@
 #                                                                            #
 #    uStreamer - Lightweight and fast MJPEG-HTTP streamer.                   #
 #                                                                            #
-#    Copyright (C) 2018-2024  Maxim Devaev <mdevaev@gmail.com>               #
+#    Copyright (C) 2018-2023  Maxim Devaev <mdevaev@gmail.com>               #
 #                                                                            #
 #    This program is free software: you can redistribute it and/or modify    #
 #    it under the terms of the GNU General Public License as published by    #
@@ -22,18 +22,11 @@
 
 #include "rtpa.h"
 
-#include <stdlib.h>
-#include <inttypes.h>
-
-#include "uslibs/types.h"
-#include "uslibs/tools.h"
-
 
 us_rtpa_s *us_rtpa_init(us_rtp_callback_f callback) {
 	us_rtpa_s *rtpa;
 	US_CALLOC(rtpa, 1);
-	rtpa->rtp = us_rtp_init();
-	us_rtp_assign(rtpa->rtp, 111, false);
+	rtpa->rtp = us_rtp_init(111, false);
 	rtpa->callback = callback;
 	return rtpa;
 }
@@ -44,25 +37,26 @@ void us_rtpa_destroy(us_rtpa_s *rtpa) {
 }
 
 char *us_rtpa_make_sdp(us_rtpa_s *rtpa) {
-	const uint pl = rtpa->rtp->payload;
+#	define PAYLOAD rtpa->rtp->payload
 	char *sdp;
 	US_ASPRINTF(sdp,
 		"m=audio 1 RTP/SAVPF %u" RN
 		"c=IN IP4 0.0.0.0" RN
 		"a=rtpmap:%u OPUS/48000/2" RN
-		"a=fmtp:%u sprop-stereo=1" RN // useinbandfec=1
+		// "a=fmtp:%u useinbandfec=1" RN
 		"a=rtcp-fb:%u nack" RN
 		"a=rtcp-fb:%u nack pli" RN
 		"a=rtcp-fb:%u goog-remb" RN
 		"a=ssrc:%" PRIu32 " cname:ustreamer" RN
 		"a=sendonly" RN,
-		pl, pl, pl, pl, pl, pl,
+		PAYLOAD, PAYLOAD, PAYLOAD, PAYLOAD, PAYLOAD, // PAYLOAD,
 		rtpa->rtp->ssrc
 	);
+#	undef PAYLOAD
 	return sdp;
 }
 
-void us_rtpa_wrap(us_rtpa_s *rtpa, const u8 *data, uz size, u32 pts) {
+void us_rtpa_wrap(us_rtpa_s *rtpa, const uint8_t *data, size_t size, uint32_t pts) {
     if (size + US_RTP_HEADER_SIZE <= US_RTP_DATAGRAM_SIZE) {
         us_rtp_write_header(rtpa->rtp, pts, false);
         memcpy(rtpa->rtp->datagram + US_RTP_HEADER_SIZE, data, size);

janus/src/rtpa.h

@@ -2,7 +2,7 @@
 #                                                                            #
 #    uStreamer - Lightweight and fast MJPEG-HTTP streamer.                   #
 #                                                                            #
-#    Copyright (C) 2018-2024  Maxim Devaev <mdevaev@gmail.com>               #
+#    Copyright (C) 2018-2023  Maxim Devaev <mdevaev@gmail.com>               #
 #                                                                            #
 #    This program is free software: you can redistribute it and/or modify    #
 #    it under the terms of the GNU General Public License as published by    #
@@ -22,7 +22,15 @@
 
 #pragma once
 
-#include "uslibs/types.h"
+#include <stdlib.h>
+#include <stdint.h>
+#include <stdbool.h>
+#include <inttypes.h>
+
+#include <sys/types.h>
+
+#include "uslibs/tools.h"
+#include "uslibs/threading.h"
 
 #include "rtp.h"
 
@@ -37,4 +45,4 @@ us_rtpa_s *us_rtpa_init(us_rtp_callback_f callback);
 void us_rtpa_destroy(us_rtpa_s *rtpa);
 
 char *us_rtpa_make_sdp(us_rtpa_s *rtpa);
-void us_rtpa_wrap(us_rtpa_s *rtpa, const u8 *data, uz size, u32 pts);
+void us_rtpa_wrap(us_rtpa_s *rtpa, const uint8_t *data, size_t size, uint32_t pts);

janus/src/rtpv.c

@@ -5,7 +5,7 @@
 #    This source file is partially based on this code:                       #
 #      - https://github.com/catid/kvm/blob/master/kvm_pipeline/src           #
 #                                                                            #
-#    Copyright (C) 2018-2024  Maxim Devaev <mdevaev@gmail.com>               #
+#    Copyright (C) 2018-2023  Maxim Devaev <mdevaev@gmail.com>               #
 #                                                                            #
 #    This program is free software: you can redistribute it and/or modify    #
 #    it under the terms of the GNU General Public License as published by    #
@@ -25,27 +25,16 @@
 
 #include "rtpv.h"
 
-#include <stdlib.h>
-#include <inttypes.h>
-#include <assert.h>
 
-#include <linux/videodev2.h>
+void _rtpv_process_nalu(us_rtpv_s *rtpv, const uint8_t *data, size_t size, uint32_t pts, bool marked);
 
-#include "uslibs/types.h"
-#include "uslibs/tools.h"
-#include "uslibs/frame.h"
-
-
-void _rtpv_process_nalu(us_rtpv_s *rtpv, const u8 *data, uz size, u32 pts, bool marked);
-
-static sz _find_annexb(const u8 *data, uz size);
+static ssize_t _find_annexb(const uint8_t *data, size_t size);
 
 
 us_rtpv_s *us_rtpv_init(us_rtp_callback_f callback) {
 	us_rtpv_s *rtpv;
 	US_CALLOC(rtpv, 1);
-	rtpv->rtp = us_rtp_init();
-	us_rtp_assign(rtpv->rtp, 96, true);
+	rtpv->rtp = us_rtp_init(96, true);
 	rtpv->callback = callback;
 	return rtpv;
 }
@@ -56,9 +45,9 @@ void us_rtpv_destroy(us_rtpv_s *rtpv) {
 }
 
 char *us_rtpv_make_sdp(us_rtpv_s *rtpv) {
+#	define PAYLOAD rtpv->rtp->payload
 	// https://tools.ietf.org/html/rfc6184
 	// https://github.com/meetecho/janus-gateway/issues/2443
-	const uint pl = rtpv->rtp->payload;
 	char *sdp;
 	US_ASPRINTF(sdp,
 		"m=video 1 RTP/SAVPF %u" RN
@@ -71,13 +60,13 @@ char *us_rtpv_make_sdp(us_rtpv_s *rtpv) {
 		"a=rtcp-fb:%u goog-remb" RN
 		"a=ssrc:%" PRIu32 " cname:ustreamer" RN
 		"a=extmap:1 http://www.webrtc.org/experiments/rtp-hdrext/playout-delay" RN
-		"a=extmap:2 urn:3gpp:video-orientation" RN
 		"a=sendonly" RN,
-		pl, pl, pl, pl,
-		pl, pl, pl,
+		PAYLOAD, PAYLOAD, PAYLOAD, PAYLOAD,
+		PAYLOAD, PAYLOAD, PAYLOAD,
 		rtpv->rtp->ssrc
 	);
 	return sdp;
+#	undef PAYLOAD
 }
 
 #define _PRE 3 // Annex B prefix length
@@ -90,20 +79,20 @@ void us_rtpv_wrap(us_rtpv_s *rtpv, const us_frame_s *frame, bool zero_playout_de
 
 	rtpv->rtp->zero_playout_delay = zero_playout_delay;
 
-	const u32 pts = us_get_now_monotonic_u64() * 9 / 100; // PTS units are in 90 kHz
-	sz last_offset = -_PRE;
+	const uint32_t pts = us_get_now_monotonic_u64() * 9 / 100; // PTS units are in 90 kHz
+	ssize_t last_offset = -_PRE;
 
 	while (true) { // Find and iterate by nalus
-		const uz next_start = last_offset + _PRE;
-		sz offset = _find_annexb(frame->data + next_start, frame->used - next_start);
+		const size_t next_start = last_offset + _PRE;
+		ssize_t offset = _find_annexb(frame->data + next_start, frame->used - next_start);
 		if (offset < 0) {
 			break;
 		}
 		offset += next_start;
 
 		if (last_offset >= 0) {
-			const u8 *const data = frame->data + last_offset + _PRE;
-			uz size = offset - last_offset - _PRE;
+			const uint8_t *const data = frame->data + last_offset + _PRE;
+			size_t size = offset - last_offset - _PRE;
 			if (data[size - 1] == 0) { // Check for extra 00
 				--size;
 			}
@@ -114,33 +103,34 @@ void us_rtpv_wrap(us_rtpv_s *rtpv, const us_frame_s *frame, bool zero_playout_de
 	}
 
 	if (last_offset >= 0) {
-		const u8 *const data = frame->data + last_offset + _PRE;
-		uz size = frame->used - last_offset - _PRE;
+		const uint8_t *const data = frame->data + last_offset + _PRE;
+		size_t size = frame->used - last_offset - _PRE;
 		_rtpv_process_nalu(rtpv, data, size, pts, true);
 	}
 }
 
-void _rtpv_process_nalu(us_rtpv_s *rtpv, const u8 *data, uz size, u32 pts, bool marked) {
-	const uint ref_idc = (data[0] >> 5) & 3;
-	const uint type = data[0] & 0x1F;
-	u8 *dg = rtpv->rtp->datagram;
+void _rtpv_process_nalu(us_rtpv_s *rtpv, const uint8_t *data, size_t size, uint32_t pts, bool marked) {
+#	define DG rtpv->rtp->datagram
+
+	const unsigned ref_idc = (data[0] >> 5) & 3;
+	const unsigned type = data[0] & 0x1F;
 
 	if (size + US_RTP_HEADER_SIZE <= US_RTP_DATAGRAM_SIZE) {
 		us_rtp_write_header(rtpv->rtp, pts, marked);
-		memcpy(dg + US_RTP_HEADER_SIZE, data, size);
+		memcpy(DG + US_RTP_HEADER_SIZE, data, size);
 		rtpv->rtp->used = size + US_RTP_HEADER_SIZE;
 		rtpv->callback(rtpv->rtp);
 		return;
 	}
 
-	const uz fu_overhead = US_RTP_HEADER_SIZE + 2; // FU-A overhead
+	const size_t fu_overhead = US_RTP_HEADER_SIZE + 2; // FU-A overhead
 
-	const u8 *src = data + 1;
-	sz remaining = size - 1;
+	const uint8_t *src = data + 1;
+	ssize_t remaining = size - 1;
 
 	bool first = true;
 	while (remaining > 0) {
-		sz frag_size = US_RTP_DATAGRAM_SIZE - fu_overhead;
+		ssize_t frag_size = US_RTP_DATAGRAM_SIZE - fu_overhead;
 		const bool last = (remaining <= frag_size);
 		if (last) {
 			frag_size = remaining;
@@ -148,18 +138,18 @@ void _rtpv_process_nalu(us_rtpv_s *rtpv, const u8 *data, uz size, u32 pts, bool
 
 		us_rtp_write_header(rtpv->rtp, pts, (marked && last));
 
-		dg[US_RTP_HEADER_SIZE] = 28 | (ref_idc << 5);
+		DG[US_RTP_HEADER_SIZE] = 28 | (ref_idc << 5);
 
-		u8 fu = type;
+		uint8_t fu = type;
 		if (first) {
 			fu |= 0x80;
 		}
 		if (last) {
 			fu |= 0x40;
 		}
-		dg[US_RTP_HEADER_SIZE + 1] = fu;
+		DG[US_RTP_HEADER_SIZE + 1] = fu;
 
-		memcpy(dg + fu_overhead, src, frag_size);
+		memcpy(DG + fu_overhead, src, frag_size);
 		rtpv->rtp->used = fu_overhead + frag_size;
 		rtpv->callback(rtpv->rtp);
 
@@ -167,12 +157,14 @@ void _rtpv_process_nalu(us_rtpv_s *rtpv, const u8 *data, uz size, u32 pts, bool
 		remaining -= frag_size;
 		first = false;
 	}
+
+#	undef DG
 }
 
-static sz _find_annexb(const u8 *data, uz size) {
+static ssize_t _find_annexb(const uint8_t *data, size_t size) {
 	// Parses buffer for 00 00 01 start codes
 	if (size >= _PRE) {
-		for (uz index = 0; index <= size - _PRE; ++index) {
+		for (size_t index = 0; index <= size - _PRE; ++index) {
 			if (data[index] == 0 && data[index + 1] == 0 && data[index + 2] == 1) {
 				return index;
 			}

janus/src/rtpv.h

@@ -2,7 +2,7 @@
 #                                                                            #
 #    uStreamer - Lightweight and fast MJPEG-HTTP streamer.                   #
 #                                                                            #
-#    Copyright (C) 2018-2024  Maxim Devaev <mdevaev@gmail.com>               #
+#    Copyright (C) 2018-2023  Maxim Devaev <mdevaev@gmail.com>               #
 #                                                                            #
 #    This program is free software: you can redistribute it and/or modify    #
 #    it under the terms of the GNU General Public License as published by    #
@@ -22,7 +22,16 @@
 
 #pragma once
 
-#include "uslibs/types.h"
+#include <stdlib.h>
+#include <stdbool.h>
+#include <stdint.h>
+#include <inttypes.h>
+#include <assert.h>
+
+#include <sys/types.h>
+#include <linux/videodev2.h>
+
+#include "uslibs/tools.h"
 #include "uslibs/frame.h"
 
 #include "rtp.h"

janus/src/tc358743.c

@@ -2,7 +2,7 @@
 #                                                                            #
 #    uStreamer - Lightweight and fast MJPEG-HTTP streamer.                   #
 #                                                                            #
-#    Copyright (C) 2018-2024  Maxim Devaev <mdevaev@gmail.com>               #
+#    Copyright (C) 2018-2023  Maxim Devaev <mdevaev@gmail.com>               #
 #                                                                            #
 #    This program is free software: you can redistribute it and/or modify    #
 #    it under the terms of the GNU General Public License as published by    #
@@ -22,16 +22,6 @@
 
 #include "tc358743.h"
 
-#include <unistd.h>
-#include <fcntl.h>
-
-#include <linux/videodev2.h>
-#include <linux/v4l2-controls.h>
-
-#include "types.h"
-#include "tools.h"
-#include "xioctl.h"
-
 
 #ifndef V4L2_CID_USER_TC358743_BASE
 #	define V4L2_CID_USER_TC358743_BASE (V4L2_CID_USER_BASE + 0x1080)
@@ -44,22 +34,31 @@
 #endif
 
 
-int us_tc358743_xioctl_get_audio_hz(int fd, uint *audio_hz) {
-	*audio_hz = 0;
+int us_tc358743_read_info(const char *path, us_tc358743_info_s *info) {
+	US_MEMSET_ZERO(*info);
 
-	struct v4l2_control ctl = {.id = TC358743_CID_AUDIO_PRESENT};
-	if (us_xioctl(fd, VIDIOC_G_CTRL, &ctl) < 0) {
+	int fd = -1;
+	if ((fd = open(path, O_RDWR)) < 0) {
+		US_JLOG_PERROR("audio", "Can't open TC358743 V4L2 device");
 		return -1;
 	}
-	if (!ctl.value) {
-		return 0; // No audio
-	}
 
-	US_MEMSET_ZERO(ctl);
-	ctl.id = TC358743_CID_AUDIO_SAMPLING_RATE;
-	if (us_xioctl(fd, VIDIOC_G_CTRL, &ctl) < 0) {
-		return -1;
-	}
-	*audio_hz = ctl.value;
+#	define READ_CID(x_cid, x_field) { \
+			struct v4l2_control m_ctl = {0}; \
+			m_ctl.id = x_cid; \
+			if (us_xioctl(fd, VIDIOC_G_CTRL, &m_ctl) < 0) { \
+				US_JLOG_PERROR("audio", "Can't get value of " #x_cid); \
+				close(fd); \
+				return -1; \
+			} \
+			info->x_field = m_ctl.value; \
+		}
+
+	READ_CID(TC358743_CID_AUDIO_PRESENT,		has_audio);
+	READ_CID(TC358743_CID_AUDIO_SAMPLING_RATE,	audio_hz);
+
+#	undef READ_CID
+
+	close(fd);
 	return 0;
 }

janus/src/tc358743.h

@@ -2,7 +2,7 @@
 #                                                                            #
 #    uStreamer - Lightweight and fast MJPEG-HTTP streamer.                   #
 #                                                                            #
-#    Copyright (C) 2018-2024  Maxim Devaev <mdevaev@gmail.com>               #
+#    Copyright (C) 2018-2023  Maxim Devaev <mdevaev@gmail.com>               #
 #                                                                            #
 #    This program is free software: you can redistribute it and/or modify    #
 #    it under the terms of the GNU General Public License as published by    #
@@ -19,28 +19,28 @@
 #                                                                            #
 *****************************************************************************/
 
+
 #pragma once
 
-#include <stdio.h>
+#include <unistd.h>
+#include <fcntl.h>
 #include <stdbool.h>
-#include <stdint.h>
 
 #include <sys/types.h>
 
+#include <linux/videodev2.h>
+#include <linux/v4l2-controls.h>
 
-typedef long long sll;
-typedef ssize_t sz;
-typedef int8_t s8;
-typedef int16_t s16;
-typedef int32_t s32;
-typedef int64_t s64;
+#include "uslibs/tools.h"
+#include "uslibs/xioctl.h"
 
-typedef unsigned uint;
-typedef unsigned long long ull;
-typedef size_t uz;
-typedef uint8_t u8;
-typedef uint16_t u16;
-typedef uint32_t u32;
-typedef uint64_t u64;
+#include "logging.h"
 
-typedef long double ldf;
+
+typedef struct {
+	bool		has_audio;
+	unsigned	audio_hz;
+} us_tc358743_info_s;
+
+
+int us_tc358743_read_info(const char *path, us_tc358743_info_s *info);

janus/src/uslibs/errors.h

@@ -1 +0,0 @@
-../../../src/libs/errors.h

janus/src/uslibs/memsinksh.c

@@ -1 +0,0 @@
-../../../src/libs/memsinksh.c

janus/src/uslibs/queue.c

@@ -1 +0,0 @@
-../../../src/libs/queue.c

janus/src/uslibs/queue.h

@@ -1 +0,0 @@
-../../../src/libs/queue.h

janus/src/uslibs/ring.c

@@ -1 +0,0 @@
-../../../src/libs/ring.c

janus/src/uslibs/ring.h

@@ -1 +0,0 @@
-../../../src/libs/ring.h

janus/src/uslibs/tc358743.c

@@ -1 +0,0 @@
-../../../src/libs/tc358743.c

janus/src/uslibs/tc358743.h

@@ -1 +0,0 @@
-../../../src/libs/tc358743.h

janus/src/uslibs/types.h

@@ -1 +0,0 @@
-../../../src/libs/types.h

linters/pylint.ini

@@ -33,7 +33,7 @@ max-line-length = 160
 
 [BASIC]
 # Good variable names which should always be accepted, separated by a comma
-good-names = _, __, x, y, ws, make-html-h, make-ico-h
+good-names = _, __, x, y, ws, make-html-h, make-jpeg-h, make-ico-h
 
 # Regular expression matching correct method names
 method-rgx = [a-z_][a-z0-9_]{2,50}$

linters/tox.ini

@@ -3,7 +3,7 @@ envlist = cppcheck, flake8, pylint, mypy, vulture, htmlhint
 skipsdist = true
 
 [testenv]
-basepython = python3.12
+basepython = python3.11
 changedir = /src
 
 [testenv:cppcheck]
@@ -13,21 +13,19 @@ commands = cppcheck \
 			--std=c17 \
 			--error-exitcode=1 \
 			--quiet \
-			--check-level=exhaustive \
-			--enable=warning,portability,performance,style \
+			--enable=warning,unusedFunction,portability,performance,style \
 			--suppress=assignmentInAssert \
-			--suppress=assertWithSideEffect \
 			--suppress=variableScope \
 			--inline-suppr \
 			--library=python \
 			--include=linters/cppcheck.h \
-		src python/src/*.? janus/src/*.?
+		src python/*.? janus/*.?
 
 [testenv:flake8]
 allowlist_externals = bash
 commands = bash -c 'flake8 --config=linters/flake8.ini tools/*.py' python/*.py
 deps =
-	flake8
+	flake8==5.0.4
 	flake8-quotes
 
 [testenv:pylint]
@@ -35,7 +33,6 @@ allowlist_externals = bash
 commands = bash -c 'pylint --rcfile=linters/pylint.ini --output-format=colorized --reports=no tools/*.py python/*.py'
 deps =
 	pylint
-	setuptools
 
 [testenv:mypy]
 allowlist_externals = bash

man/ustreamer-dump.1

@@ -1,6 +1,6 @@
 .\" Manpage for ustreamer-dump.
 .\" Open an issue or pull request to https://github.com/pikvm/ustreamer to correct errors or typos
-.TH USTREAMER-DUMP 1 "version 6.18" "January 2021"
+.TH USTREAMER-DUMP 1 "version 5.48" "January 2021"
 
 .SH NAME
 ustreamer-dump \- Dump uStreamer's memory sink to file

man/ustreamer.1

@@ -1,6 +1,6 @@
 .\" Manpage for ustreamer.
 .\" Open an issue or pull request to https://github.com/pikvm/ustreamer to correct errors or typos
-.TH USTREAMER 1 "version 6.18" "November 2020"
+.TH USTREAMER 1 "version 5.48" "November 2020"
 
 .SH NAME
 ustreamer \- stream MJPEG video from any V4L2 device to the network
@@ -17,7 +17,7 @@ Without arguments, \fBustreamer\fR will try to open \fB/dev/video0\fR with 640x4
 
 Please note that since µStreamer v2\.0 cross\-domain requests were disabled by default for security reasons\. To enable the old behavior, use the option \fB\-\-allow\-origin=\e*\fR\.
 
-For example, the recommended way of running µStreamer with TC358743-based capture device on a Raspberry Pi is:
+For example, the recommended way of running µStreamer with Auvidea B101 on a Raspberry Pi is:
 
 \fBustreamer \e\fR
 .RS
@@ -27,7 +27,7 @@ For example, the recommended way of running µStreamer with TC358743-based captu
 .nf
 \fB\-\-workers=3 \e\fR # Maximum workers for V4L2 encoder
 .nf
-\fB\-\-persistent \e\fR # Suppress repetitive signal source errors (for example when HDMI cable was disconnected)
+\fB\-\-persistent \e\fR # Don\'t re\-initialize device on timeout (for example when HDMI cable was disconnected)
 .nf
 \fB\-\-dv\-timings \e\fR # Use DV\-timings
 .nf
@@ -52,7 +52,7 @@ Initial image resolution. Default: 640x480.
 .TP
 .BR \-m\ \fIfmt ", " \-\-format\ \fIfmt
 Image format.
-Available: YUYV, YVYU, UYVY, RGB565, RGB24, JPEG; default: YUYV.
+Available: YUYV, UYVY, RGB565, RGB24, JPEG; default: YUYV.
 .TP
 .BR \-a\ \fIstd ", " \-\-tv\-standard\ \fIstd
 Force TV standard.
@@ -68,11 +68,8 @@ Desired FPS. Default: maximum possible.
 .BR \-z\ \fIN ", " \-\-min\-frame\-size\ \fIN
 Drop frames smaller then this limit. Useful if the device produces small\-sized garbage frames. Default: 128 bytes.
 .TP
-.BR \-T ", " \-\-allow\-truncated\-frames
-Allows to handle truncated frames. Useful if the device produces incorrect but still acceptable frames. Default: disabled.
-.TP
 .BR \-n ", " \-\-persistent
-Suppress repetitive signal source errors. Default: disabled.
+Don't re\-initialize device on timeout. Default: disabled.
 .TP
 .BR \-t ", " \-\-dv\-timings
 Enable DV-timings querying and events processing to automatic resolution change. Default: disabled.
@@ -99,15 +96,17 @@ HW ─ Use pre-encoded MJPEG frames directly from camera hardware.
 M2M-VIDEO ─ GPU-accelerated MJPEG encoding.
 
 M2M-IMAGE ─ GPU-accelerated JPEG encoding.
+
+NOOP ─ Don't compress MJPEG stream (do nothing).
 .TP
 .BR \-g\ \fIWxH,... ", " \-\-glitched\-resolutions\ \fIWxH,...
 It doesn't do anything. Still here for compatibility.
 .TP
 .BR \-k\ \fIpath ", " \-\-blank\ \fIpath
-It doesn't do anything. Still here for compatibility.
+Path to JPEG file that will be shown when the device is disconnected during the streaming. Default: black screen 640x480 with 'NO SIGNAL'.
 .TP
 .BR \-K\ \fIsec ", " \-\-last\-as\-blank\ \fIsec
-It doesn't do anything. Still here for compatibility.
+Show the last frame received from the camera after it was disconnected, but no more than specified time (or endlessly if 0 is specified). If the device has not yet been online, display 'NO SIGNAL' or the image specified by option \-\-blank. Note: currently this option has no effect on memory sinks. Default: disabled.
 .TP
 .BR \-l ", " \-\-slowdown
 Slowdown capturing to 1 FPS or less when no stream or sink clients are connected. Useful to reduce CPU consumption. Default: disabled.
@@ -213,25 +212,25 @@ Timeout for client connections. Default: 10.
 .SS "JPEG sink options"
 With shared memory sink you can write a stream to a file. See \fBustreamer-dump\fR(1) for more info.
 .TP
-.BR \-\-jpeg\-sink\ \fIname
-Use the specified shared memory object to sink JPEG frames. The name should end with a suffix ".jpeg" or ":jpeg". Default: disabled.
+.BR \-\-sink\ \fIname
+Use the specified shared memory object to sink JPEG frames. Default: disabled.
 .TP
-.BR \-\-jpeg\-sink\-mode\ \fImode
+.BR \-\-sink\-mode\ \fImode
 Set JPEG sink permissions (like 777). Default: 660.
 .TP
-.BR \-\-jpeg\-sink\-rm
+.BR \-\-sink\-rm
 Remove shared memory on stop. Default: disabled.
 .TP
-.BR \-\-jpeg\-sink\-client\-ttl\ \fIsec
+.BR \-\-sink\-client\-ttl\ \fIsec
 Client TTL. Default: 10.
 .TP
-.BR \-\-jpeg\-sink\-timeout\ \fIsec
+.BR \-\-sink\-timeout\ \fIsec
 Timeout for lock. Default: 1.
 
 .SS "H264 sink options"
 .TP
 .BR \-\-h264\-sink\ \fIname
-Use the specified shared memory object to sink H264 frames. The name should end with a suffix ".h264" or ":h264". Default: disabled.
+Use the specified shared memory object to sink H264 frames. Default: disabled.
 .TP
 .BR \-\-h264\-sink\-mode\ \fImode
 Set H264 sink permissions (like 777). Default: 660.
@@ -254,22 +253,6 @@ Interval between keyframes. Default: 30.
 .BR \-\-h264\-m2m\-device\ \fI/dev/path
 Path to V4L2 mem-to-mem encoder device. Default: auto-select.
 
-.SS "RAW sink options"
-.TP
-.BR \-\-raw\-sink\ \fIname
-Use the specified shared memory object to sink RAW frames. The name should end with a suffix ".raw" or ":raw". Default: disabled.
-.TP
-.BR \-\-raw\-sink\-mode\ \fImode
-Set RAW sink permissions (like 777). Default: 660.
-.TP
-.BR \-\-raw\-sink\-rm
-Remove shared memory on stop. Default: disabled.
-.TP
-.BR \-\-raw\-sink\-client\-ttl\ \fIsec
-Client TTL. Default: 10.
-.TP
-.BR \-\-raw\-sink\-timeout\ \fIsec
-Timeout for lock. Default: 1.
 
 .SS "Process options"
 .TP

pkg/arch/PKGBUILD

@@ -3,14 +3,14 @@
 
 
 pkgname=ustreamer
-pkgver=6.18
+pkgver=5.48
 pkgrel=1
 pkgdesc="Lightweight and fast MJPEG-HTTP streamer"
 url="https://github.com/pikvm/ustreamer"
 license=(GPL)
 arch=(i686 x86_64 armv6h armv7h aarch64)
 depends=(libjpeg libevent libbsd libgpiod systemd)
-makedepends=(gcc make pkgconf systemd)
+makedepends=(gcc make systemd)
 source=(${pkgname}::"git+https://github.com/pikvm/ustreamer#commit=v${pkgver}")
 md5sums=(SKIP)
 
@@ -19,7 +19,7 @@ _options="WITH_GPIO=1 WITH_SYSTEMD=1"
 if [ -e /usr/bin/python3 ]; then
 	_options="$_options WITH_PYTHON=1"
 	depends+=(python)
-	makedepends+=(python-setuptools python-pip python-build python-wheel)
+	makedepends+=(python-setuptools)
 fi
 if [ -e /usr/include/janus/plugins/plugin.h ];then
 	depends+=(janus-gateway alsa-lib opus)
@@ -28,6 +28,12 @@ if [ -e /usr/include/janus/plugins/plugin.h ];then
 fi
 
 
+# LD does not link mmal with this option
+# This DOESN'T affect setup.py
+LDFLAGS="${LDFLAGS//--as-needed/}"
+export LDFLAGS="${LDFLAGS//,,/,}"
+
+
 build() {
 	cd "$srcdir"
 	rm -rf $pkgname-build

pkg/docker/Dockerfile.alpine

@@ -24,7 +24,7 @@ RUN apk add --no-cache \
 WORKDIR /ustreamer
 COPY --from=build /build/ustreamer/src/ustreamer.bin ustreamer
 
-RUN wget https://raw.githubusercontent.com/pikvm/kvmd/master/configs/kvmd/edid/v2.hex -O /edid.hex
+RUN wget https://raw.githubusercontent.com/pikvm/kvmd/master/configs/kvmd/edid/v3-hdmi.hex -O /edid.hex
 COPY pkg/docker/entry.sh /
 
 EXPOSE 8080

pkg/openwrt/Makefile

@@ -6,7 +6,7 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=ustreamer
-PKG_VERSION:=6.18
+PKG_VERSION:=5.48
 PKG_RELEASE:=1
 PKG_MAINTAINER:=Maxim Devaev <mdevaev@gmail.com>
 

python/MANIFEST.in

@@ -1,2 +0,0 @@
-include setup.py
-recursive-include src *.c *h

python/Makefile

@@ -1,23 +1,20 @@
 -include ../config.mk
 
-R_DESTDIR ?=
+DESTDIR ?=
 PREFIX ?= /usr/local
 
 PY ?= python3
 
 
 # =====
-all: root
-root: $(shell find src -type f,l)
+all:
 	$(info == PY_BUILD ustreamer-*.so)
-	rm -rf root
-	$(ECHO) $(PY) -m build --skip-dependency-check --no-isolation
-	$(ECHO) $(PY) -m pip install dist/*.whl --ignore-installed --root=./root
+	$(ECHO) $(PY) setup.py build
 
 
 install:
-	$(PY) -m pip install dist/*.whl --ignore-installed --prefix=$(PREFIX) --root=$(if $(R_DESTDIR),$(R_DESTDIR),/)
+	$(PY) setup.py install --prefix=$(PREFIX) --root=$(if $(DESTDIR),$(DESTDIR),/)
 
 
 clean:
-	rm -rf root dist ustreamer.egg-info
+	rm -rf build ustreamer.egg-info

python/setup.py

@@ -17,7 +17,7 @@ def _find_sources(suffix: str) -> list[str]:
 if __name__ == "__main__":
     setup(
         name="ustreamer",
-        version="6.18",
+        version="5.48",
         description="uStreamer tools",
         author="Maxim Devaev",
         author_email="mdevaev@gmail.com",
@@ -29,6 +29,7 @@ if __name__ == "__main__":
                 extra_compile_args=["-std=c17", "-D_GNU_SOURCE"],
                 undef_macros=["NDEBUG"],
                 sources=_find_sources(".c"),
+                depends=_find_sources(".h"),
             ),
         ],
     )

python/src/uslibs/errors.h

@@ -1 +0,0 @@
-../../../src/libs/errors.h

python/src/uslibs/memsinksh.c

@@ -1 +0,0 @@
-../../../src/libs/memsinksh.c

python/src/uslibs/types.h

@@ -1 +0,0 @@
-../../../src/libs/types.h

python/src/ustreamer.c

@@ -13,8 +13,6 @@
 
 #include <Python.h>
 
-#include "uslibs/types.h"
-#include "uslibs/errors.h"
 #include "uslibs/tools.h"
 #include "uslibs/frame.h"
 #include "uslibs/memsinksh.h"
@@ -27,24 +25,33 @@ typedef struct {
 	double	lock_timeout;
 	double	wait_timeout;
 	double	drop_same_frames;
-	uz		data_size;
 
 	int					fd;
 	us_memsink_shared_s	*mem;
 
-	u64				frame_id;
-	ldf				frame_ts;
+	uint64_t		frame_id;
+	long double		frame_ts;
 	us_frame_s		*frame;
 } _MemsinkObject;
 
 
+#define _MEM(x_next)	self->mem->x_next
+#define _FRAME(x_next)	self->frame->x_next
+
+
 static void _MemsinkObject_destroy_internals(_MemsinkObject *self) {
 	if (self->mem != NULL) {
-		us_memsink_shared_unmap(self->mem, self->data_size);
+		us_memsink_shared_unmap(self->mem);
 		self->mem = NULL;
 	}
-	US_CLOSE_FD(self->fd);
-	US_DELETE(self->frame, us_frame_destroy);
+	if (self->fd >= 0) {
+		close(self->fd);
+		self->fd = -1;
+	}
+	if (self->frame != NULL) {
+		us_frame_destroy(self->frame);
+		self->frame = NULL;
+	}
 }
 
 static int _MemsinkObject_init(_MemsinkObject *self, PyObject *args, PyObject *kwargs) {
@@ -58,21 +65,18 @@ static int _MemsinkObject_init(_MemsinkObject *self, PyObject *args, PyObject *k
 		return -1;
 	}
 
-#	define SET_DOUBLE(x_field, x_cond) { \
-			if (!(self->x_field x_cond)) { \
-				PyErr_SetString(PyExc_ValueError, #x_field " must be " #x_cond); \
+#	define SET_DOUBLE(_field, _cond) { \
+			if (!(self->_field _cond)) { \
+				PyErr_SetString(PyExc_ValueError, #_field " must be " #_cond); \
 				return -1; \
 			} \
 		}
+
 	SET_DOUBLE(lock_timeout, > 0);
 	SET_DOUBLE(wait_timeout, > 0);
 	SET_DOUBLE(drop_same_frames, >= 0);
-#	undef SET_DOUBLE
 
-	if ((self->data_size = us_memsink_calculate_size(self->obj)) == 0) {
-		PyErr_SetString(PyExc_ValueError, "Invalid memsink object suffix");
-		return -1;
-	}
+#	undef SET_DOUBLE
 
 	self->frame = us_frame_init();
 
@@ -80,20 +84,22 @@ static int _MemsinkObject_init(_MemsinkObject *self, PyObject *args, PyObject *k
 		PyErr_SetFromErrno(PyExc_OSError);
 		goto error;
 	}
-	if ((self->mem = us_memsink_shared_map(self->fd, self->data_size)) == NULL) {
+
+	if ((self->mem = us_memsink_shared_map(self->fd)) == NULL) {
 		PyErr_SetFromErrno(PyExc_OSError);
 		goto error;
 	}
+
 	return 0;
 
-error:
-	_MemsinkObject_destroy_internals(self);
-	return -1;
+	error:
+		_MemsinkObject_destroy_internals(self);
+		return -1;
 }
 
 static PyObject *_MemsinkObject_repr(_MemsinkObject *self) {
 	char repr[1024];
-	US_SNPRINTF(repr, 1023, "<Memsink(%s)>", self->obj);
+	snprintf(repr, 1023, "<Memsink(%s)>", self->obj);
 	return Py_BuildValue("s", repr);
 }
 
@@ -109,76 +115,70 @@ static PyObject *_MemsinkObject_close(_MemsinkObject *self, PyObject *Py_UNUSED(
 
 static PyObject *_MemsinkObject_enter(_MemsinkObject *self, PyObject *Py_UNUSED(ignored)) {
 	Py_INCREF(self);
-	return (PyObject*)self;
+	return (PyObject *)self;
 }
 
 static PyObject *_MemsinkObject_exit(_MemsinkObject *self, PyObject *Py_UNUSED(ignored)) {
-	return PyObject_CallMethod((PyObject*)self, "close", "");
+	return PyObject_CallMethod((PyObject *)self, "close", "");
 }
 
 static int _wait_frame(_MemsinkObject *self) {
-	const ldf deadline_ts = us_get_now_monotonic() + self->wait_timeout;
+	const long double deadline_ts = us_get_now_monotonic() + self->wait_timeout;
 
-	int locked = -1;
-	ldf now_ts;
+#	define RETURN_OS_ERROR { \
+			Py_BLOCK_THREADS \
+			PyErr_SetFromErrno(PyExc_OSError); \
+			return -1; \
+		}
+
+	long double now;
 	do {
 		Py_BEGIN_ALLOW_THREADS
 
-		locked = us_flock_timedwait_monotonic(self->fd, self->lock_timeout);
-		now_ts = us_get_now_monotonic();
-		if (locked < 0) {
-			if (errno == EWOULDBLOCK) {
-				goto retry;
+		const int retval = us_flock_timedwait_monotonic(self->fd, self->lock_timeout);
+		now = us_get_now_monotonic();
+
+		if (retval < 0 && errno != EWOULDBLOCK) {
+			RETURN_OS_ERROR;
+
+		} else if (retval == 0) {
+			if (_MEM(magic) == US_MEMSINK_MAGIC && _MEM(version) == US_MEMSINK_VERSION && _MEM(id) != self->frame_id) {
+				if (self->drop_same_frames > 0) {
+					if (
+						US_FRAME_COMPARE_META_USED_NOTS(self->mem, self->frame)
+						&& (self->frame_ts + self->drop_same_frames > now)
+						&& !memcmp(_FRAME(data), _MEM(data), _MEM(used))
+					) {
+						self->frame_id = _MEM(id);
+						goto drop;
+					}
+				}
+
+				Py_BLOCK_THREADS
+				return 0;
 			}
-			goto os_error;
-		}
 
-		us_memsink_shared_s *mem = self->mem;
-		if (mem->magic != US_MEMSINK_MAGIC || mem->version != US_MEMSINK_VERSION) {
-			goto retry;
-		}
-
-		// Let the sink know that the client is alive
-		mem->last_client_ts = now_ts;
-
-		if (mem->id == self->frame_id) {
-			goto retry;
-		}
-
-		if (self->drop_same_frames > 0) {
-			if (
-				US_FRAME_COMPARE_GEOMETRY(self->mem, self->frame)
-				&& (self->frame_ts + self->drop_same_frames > now_ts)
-				&& !memcmp(self->frame->data, us_memsink_get_data(mem), mem->used)
-			) {
-				self->frame_id = mem->id;
-				goto retry;
+			if (flock(self->fd, LOCK_UN) < 0) {
+				RETURN_OS_ERROR;
 			}
 		}
 
-		// New frame found
-		Py_BLOCK_THREADS
-		return 0;
+		drop:
 
-	os_error:
-		Py_BLOCK_THREADS
-		PyErr_SetFromErrno(PyExc_OSError);
-		return -1;
-
-	retry:
-		if (locked >= 0 && flock(self->fd, LOCK_UN) < 0) {
-			goto os_error;
-		}
 		if (usleep(1000) < 0) {
-			goto os_error;
+			RETURN_OS_ERROR;
 		}
+
 		Py_END_ALLOW_THREADS
+
 		if (PyErr_CheckSignals() < 0) {
 			return -1;
 		}
-	} while (now_ts < deadline_ts);
+	} while (now < deadline_ts);
 
-	return US_ERROR_NO_DATA;
+#	undef RETURN_OS_ERROR
+
+	return -2;
 }
 
 static PyObject *_MemsinkObject_wait_frame(_MemsinkObject *self, PyObject *args, PyObject *kwargs) {
@@ -195,17 +195,17 @@ static PyObject *_MemsinkObject_wait_frame(_MemsinkObject *self, PyObject *args,
 
 	switch (_wait_frame(self)) {
 		case 0: break;
-		case US_ERROR_NO_DATA: Py_RETURN_NONE;
+		case -2: Py_RETURN_NONE;
 		default: return NULL;
 	}
 
-	us_memsink_shared_s *mem = self->mem;
-	us_frame_set_data(self->frame, us_memsink_get_data(mem), mem->used);
+	us_frame_set_data(self->frame, _MEM(data), _MEM(used));
 	US_FRAME_COPY_META(self->mem, self->frame);
-	self->frame_id = mem->id;
+	self->frame_id = _MEM(id);
 	self->frame_ts = us_get_now_monotonic();
+	_MEM(last_client_ts) = self->frame_ts;
 	if (key_required) {
-		mem->key_requested = true;
+		_MEM(key_requested) = true;
 	}
 
 	if (flock(self->fd, LOCK_UN) < 0) {
@@ -217,18 +217,18 @@ static PyObject *_MemsinkObject_wait_frame(_MemsinkObject *self, PyObject *args,
 		return NULL;
 	}
 
-#	define SET_VALUE(x_key, x_maker) { \
-			PyObject *m_tmp = x_maker; \
-			if (m_tmp == NULL) { \
+#	define SET_VALUE(_key, _maker) { \
+			PyObject *_tmp = _maker; \
+			if (_tmp == NULL) { \
 				return NULL; \
 			} \
-			if (PyDict_SetItemString(dict_frame, x_key, m_tmp) < 0) { \
-				Py_DECREF(m_tmp); \
+			if (PyDict_SetItemString(dict_frame, _key, _tmp) < 0) { \
+				Py_DECREF(_tmp); \
 				return NULL; \
 			} \
-			Py_DECREF(m_tmp); \
+			Py_DECREF(_tmp); \
 		}
-#	define SET_NUMBER(x_key, x_from, x_to) SET_VALUE(#x_key, Py##x_to##_From##x_from(self->frame->x_key))
+#	define SET_NUMBER(_key, _from, _to) SET_VALUE(#_key, Py##_to##_From##_from(_FRAME(_key)))
 
 	SET_NUMBER(width, Long, Long);
 	SET_NUMBER(height, Long, Long);
@@ -240,7 +240,7 @@ static PyObject *_MemsinkObject_wait_frame(_MemsinkObject *self, PyObject *args,
 	SET_NUMBER(grab_ts, Double, Float);
 	SET_NUMBER(encode_begin_ts, Double, Float);
 	SET_NUMBER(encode_end_ts, Double, Float);
-	SET_VALUE("data", PyBytes_FromStringAndSize((const char*)self->frame->data, self->frame->used));
+	SET_VALUE("data", PyBytes_FromStringAndSize((const char *)_FRAME(data), _FRAME(used)));
 
 #	undef SET_NUMBER
 #	undef SET_VALUE
@@ -252,19 +252,21 @@ static PyObject *_MemsinkObject_is_opened(_MemsinkObject *self, PyObject *Py_UNU
 	return PyBool_FromLong(self->mem != NULL && self->fd > 0);
 }
 
-#define FIELD_GETTER(x_field, x_from, x_to) \
-	static PyObject *_MemsinkObject_getter_##x_field(_MemsinkObject *self, void *Py_UNUSED(closure)) { \
-		return Py##x_to##_From##x_from(self->x_field); \
+#define FIELD_GETTER(_field, _from, _to) \
+	static PyObject *_MemsinkObject_getter_##_field(_MemsinkObject *self, void *Py_UNUSED(closure)) { \
+		return Py##_to##_From##_from(self->_field); \
 	}
+
 FIELD_GETTER(obj, String, Unicode)
 FIELD_GETTER(lock_timeout, Double, Float)
 FIELD_GETTER(wait_timeout, Double, Float)
 FIELD_GETTER(drop_same_frames, Double, Float)
+
 #undef FIELD_GETTER
 
 static PyMethodDef _MemsinkObject_methods[] = {
-#	define ADD_METHOD(x_name, x_method, x_flags) \
-		{.ml_name = x_name, .ml_meth = (PyCFunction)_MemsinkObject_##x_method, .ml_flags = (x_flags)}
+#	define ADD_METHOD(_name, _method, _flags) \
+		{.ml_name = _name, .ml_meth = (PyCFunction)_MemsinkObject_##_method, .ml_flags = (_flags)}
 	ADD_METHOD("close", close, METH_NOARGS),
 	ADD_METHOD("__enter__", enter, METH_NOARGS),
 	ADD_METHOD("__exit__", exit, METH_VARARGS),
@@ -275,7 +277,7 @@ static PyMethodDef _MemsinkObject_methods[] = {
 };
 
 static PyGetSetDef _MemsinkObject_getsets[] = {
-#	define ADD_GETTER(x_field) {.name = #x_field, .get = (getter)_MemsinkObject_getter_##x_field}
+#	define ADD_GETTER(_field) {.name = #_field, .get = (getter)_MemsinkObject_getter_##_field}
 	ADD_GETTER(obj),
 	ADD_GETTER(lock_timeout),
 	ADD_GETTER(wait_timeout),
@@ -303,7 +305,7 @@ static PyModuleDef _Module = {
 	.m_size = -1,
 };
 
-PyMODINIT_FUNC PyInit_ustreamer(void) {
+PyMODINIT_FUNC PyInit_ustreamer(void) { // cppcheck-suppress unusedFunction
 	PyObject *module = PyModule_Create(&_Module);
 	if (module == NULL) {
 		return NULL;
@@ -315,7 +317,7 @@ PyMODINIT_FUNC PyInit_ustreamer(void) {
 
 	Py_INCREF(&_MemsinkType);
 
-	if (PyModule_AddObject(module, "Memsink", (PyObject*)&_MemsinkType) < 0) {
+	if (PyModule_AddObject(module, "Memsink", (PyObject *)&_MemsinkType) < 0) {
 		return NULL;
 	}
 

src/Makefile

@@ -1,4 +1,4 @@
-R_DESTDIR ?=
+DESTDIR ?=
 PREFIX ?= /usr/local
 
 CC ?= gcc
@@ -9,14 +9,13 @@ LDFLAGS ?=
 # =====
 _USTR = ustreamer.bin
 _DUMP = ustreamer-dump.bin
-_V4P = ustreamer-v4p.bin
 
 _CFLAGS = -MD -c -std=c17 -Wall -Wextra -D_GNU_SOURCE $(CFLAGS)
+_LDFLAGS = $(LDFLAGS)
 
-_USTR_LDFLAGS = $(LDFLAGS) -lm -ljpeg -pthread -lrt -latomic -levent -levent_pthreads
-_DUMP_LDFLAGS = $(LDFLAGS) -lm -ljpeg -pthread -lrt -latomic
-_V4P_LDFLAGS = $(LDFLAGS) -lm -ljpeg -pthread -lrt -latomic
+_COMMON_LIBS = -lm -ljpeg -pthread -lrt
 
+_USTR_LIBS = $(_COMMON_LIBS) -levent -levent_pthreads
 _USTR_SRCS = $(shell ls \
 	libs/*.c \
 	ustreamer/*.c \
@@ -27,40 +26,31 @@ _USTR_SRCS = $(shell ls \
 	ustreamer/*.c \
 )
 
+_DUMP_LIBS = $(_COMMON_LIBS)
 _DUMP_SRCS = $(shell ls \
 	libs/*.c \
 	dump/*.c \
 )
 
-_V4P_SRCS = $(shell ls \
-	libs/*.c \
-	libs/drm/*.c \
-	v4p/*.c \
-)
-
 _BUILD = build
 
 
-_TARGETS = $(_USTR) $(_DUMP)
-_OBJS = $(_USTR_SRCS:%.c=$(_BUILD)/%.o) $(_DUMP_SRCS:%.c=$(_BUILD)/%.o)
-
-
 define optbool
 $(filter $(shell echo $(1) | tr A-Z a-z), yes on 1)
 endef
 
 
 ifneq ($(call optbool,$(WITH_GPIO)),)
+_USTR_LIBS += -lgpiod
 override _CFLAGS += -DWITH_GPIO $(shell pkg-config --atleast-version=2 libgpiod 2> /dev/null && echo -DHAVE_GPIOD2)
-override _USTR_LDFLAGS += -lgpiod
-override _USTR_SRCS += $(shell ls ustreamer/gpio/*.c)
+_USTR_SRCS += $(shell ls ustreamer/gpio/*.c)
 endif
 
 
 ifneq ($(call optbool,$(WITH_SYSTEMD)),)
+_USTR_LIBS += -lsystemd
 override _CFLAGS += -DWITH_SYSTEMD
-override _USTR_LDFLAGS += -lsystemd
-override _USTR_SRCS += $(shell ls ustreamer/http/systemd/*.c)
+_USTR_SRCS += $(shell ls ustreamer/http/systemd/*.c)
 endif
 
 
@@ -72,54 +62,36 @@ endif
 
 WITH_SETPROCTITLE ?= 1
 ifneq ($(call optbool,$(WITH_SETPROCTITLE)),)
-override _CFLAGS += -DWITH_SETPROCTITLE
 ifeq ($(shell uname -s | tr A-Z a-z),linux)
-override _USTR_LDFLAGS += -lbsd
+_USTR_LIBS += -lbsd
 endif
-endif
-
-
-WITH_V4P ?= 0
-ifneq ($(call optbool,$(WITH_V4P)),)
-override _TARGETS += $(_V4P)
-override _OBJS += $(_V4P_SRCS:%.c=$(_BUILD)/%.o)
-override _CFLAGS += -DWITH_V4P $(shell pkg-config --cflags libdrm)
-override _V4P_LDFLAGS += $(shell pkg-config --libs libdrm)
-override _USTR_SRCS += $(shell ls libs/drm/*.c)
-override _USTR_LDFLAGS += $(shell pkg-config --libs libdrm)
+override _CFLAGS += -DWITH_SETPROCTITLE
 endif
 
 
 # =====
-all: $(_TARGETS)
+all: $(_USTR) $(_DUMP)
 
 
 install: all
-	mkdir -p $(R_DESTDIR)$(PREFIX)/bin
-	for i in $(subst .bin,,$(_TARGETS)); do \
-		install -m755 $$i.bin $(R_DESTDIR)$(PREFIX)/bin/$$i; \
-	done
+	mkdir -p $(DESTDIR)$(PREFIX)/bin
+	install -m755 $(_USTR) $(DESTDIR)$(PREFIX)/bin/$(subst .bin,,$(_USTR))
+	install -m755 $(_DUMP) $(DESTDIR)$(PREFIX)/bin/$(subst .bin,,$(_DUMP))
 
 
 install-strip: install
-	for i in $(subst .bin,,$(_TARGETS)); do \
-		strip $(R_DESTDIR)$(PREFIX)/bin/$$i; \
-	done
+	strip $(DESTDIR)$(PREFIX)/bin/$(subst .bin,,$(_USTR))
+	strip $(DESTDIR)$(PREFIX)/bin/$(subst .bin,,$(_DUMP))
 
 
 $(_USTR): $(_USTR_SRCS:%.c=$(_BUILD)/%.o)
 	$(info == LD $@)
-	$(ECHO) $(CC) $^ -o $@ $(_USTR_LDFLAGS)
+	$(ECHO) $(CC) $^ -o $@ $(_LDFLAGS) $(_USTR_LIBS)
 
 
 $(_DUMP): $(_DUMP_SRCS:%.c=$(_BUILD)/%.o)
 	$(info == LD $@)
-	$(ECHO) $(CC) $^ -o $@ $(_DUMP_LDFLAGS)
-
-
-$(_V4P): $(_V4P_SRCS:%.c=$(_BUILD)/%.o)
-	$(info == LD $@)
-	$(ECHO) $(CC) $^ -o $@ $(_V4P_LDFLAGS)
+	$(ECHO) $(CC) $^ -o $@ $(_LDFLAGS) $(_DUMP_LIBS)
 
 
 $(_BUILD)/%.o: %.c
@@ -129,7 +101,8 @@ $(_BUILD)/%.o: %.c
 
 
 clean:
-	rm -rf $(_USTR) $(_DUMP) $(_V4P) $(_BUILD)
+	rm -rf $(_USTR) $(_DUMP) $(_BUILD)
 
 
+_OBJS = $(_USTR_SRCS:%.c=$(_BUILD)/%.o) $(_DUMP_SRCS:%.c=$(_BUILD)/%.o)
 -include $(_OBJS:%.o=%.d)

src/dump/file.c

@@ -2,7 +2,7 @@
 #                                                                            #
 #    uStreamer - Lightweight and fast MJPEG-HTTP streamer.                   #
 #                                                                            #
-#    Copyright (C) 2018-2024  Maxim Devaev <mdevaev@gmail.com>               #
+#    Copyright (C) 2018-2023  Maxim Devaev <mdevaev@gmail.com>               #
 #                                                                            #
 #    This program is free software: you can redistribute it and/or modify    #
 #    it under the terms of the GNU General Public License as published by    #
@@ -47,7 +47,7 @@ us_output_file_s *us_output_file_init(const char *path, bool json) {
 }
 
 void us_output_file_write(void *v_output, const us_frame_s *frame) {
-	us_output_file_s *output = v_output;
+	us_output_file_s *output = (us_output_file_s *)v_output;
 	if (output->json) {
 		us_base64_encode(frame->data, frame->used, &output->base64_data, &output->base64_allocated);
 		fprintf(output->fp,
@@ -66,7 +66,7 @@ void us_output_file_write(void *v_output, const us_frame_s *frame) {
 }
 
 void us_output_file_destroy(void *v_output) {
-	us_output_file_s *output = v_output;
+	us_output_file_s *output = (us_output_file_s *)v_output;
 	US_DELETE(output->base64_data, free);
 	if (output->fp && output->fp != stdout) {
 		if (fclose(output->fp) < 0) {

src/dump/file.h

@@ -2,7 +2,7 @@
 #                                                                            #
 #    uStreamer - Lightweight and fast MJPEG-HTTP streamer.                   #
 #                                                                            #
-#    Copyright (C) 2018-2024  Maxim Devaev <mdevaev@gmail.com>               #
+#    Copyright (C) 2018-2023  Maxim Devaev <mdevaev@gmail.com>               #
 #                                                                            #
 #    This program is free software: you can redistribute it and/or modify    #
 #    it under the terms of the GNU General Public License as published by    #

src/dump/main.c

@@ -2,7 +2,7 @@
 #                                                                            #
 #    uStreamer - Lightweight and fast MJPEG-HTTP streamer.                   #
 #                                                                            #
-#    Copyright (C) 2018-2024  Maxim Devaev <mdevaev@gmail.com>               #
+#    Copyright (C) 2018-2023  Maxim Devaev <mdevaev@gmail.com>               #
 #                                                                            #
 #    This program is free software: you can redistribute it and/or modify    #
 #    it under the terms of the GNU General Public License as published by    #
@@ -24,6 +24,7 @@
 #include <stdlib.h>
 #include <stdbool.h>
 #include <unistd.h>
+#include <signal.h>
 #include <limits.h>
 #include <float.h>
 #include <getopt.h>
@@ -31,13 +32,10 @@
 #include <assert.h>
 
 #include "../libs/const.h"
-#include "../libs/errors.h"
 #include "../libs/tools.h"
 #include "../libs/logging.h"
 #include "../libs/frame.h"
 #include "../libs/memsink.h"
-#include "../libs/fpsi.h"
-#include "../libs/signal.h"
 #include "../libs/options.h"
 
 #include "file.h"
@@ -97,6 +95,7 @@ typedef struct {
 
 
 static void _signal_handler(int signum);
+static void _install_signal_handlers(void);
 
 static int _dump_sink(
 	const char *sink_name, unsigned sink_timeout,
@@ -111,9 +110,9 @@ int main(int argc, char *argv[]) {
 	US_LOGGING_INIT;
 	US_THREAD_RENAME("main");
 
-	const char *sink_name = NULL;
+	char *sink_name = NULL;
 	unsigned sink_timeout = 1;
-	const char *output_path = NULL;
+	char *output_path = NULL;
 	bool output_json = false;
 	long long count = 0;
 	long double interval = 0;
@@ -184,14 +183,14 @@ int main(int argc, char *argv[]) {
 	_output_context_s ctx = {0};
 
 	if (output_path && output_path[0] != '\0') {
-		if ((ctx.v_output = (void*)us_output_file_init(output_path, output_json)) == NULL) {
+		if ((ctx.v_output = (void *)us_output_file_init(output_path, output_json)) == NULL) {
 			return 1;
 		}
 		ctx.write = us_output_file_write;
 		ctx.destroy = us_output_file_destroy;
 	}
 
-	us_install_signals_handler(_signal_handler, false);
+	_install_signal_handlers();
 	const int retval = abs(_dump_sink(sink_name, sink_timeout, count, interval, key_required, &ctx));
 	if (ctx.v_output && ctx.destroy) {
 		ctx.destroy(ctx.v_output);
@@ -207,14 +206,31 @@ static void _signal_handler(int signum) {
 	_g_stop = true;
 }
 
+static void _install_signal_handlers(void) {
+	struct sigaction sig_act = {0};
+
+	assert(!sigemptyset(&sig_act.sa_mask));
+	sig_act.sa_handler = _signal_handler;
+	assert(!sigaddset(&sig_act.sa_mask, SIGINT));
+	assert(!sigaddset(&sig_act.sa_mask, SIGTERM));
+	assert(!sigaddset(&sig_act.sa_mask, SIGPIPE));
+
+	US_LOG_DEBUG("Installing SIGINT handler ...");
+	assert(!sigaction(SIGINT, &sig_act, NULL));
+
+	US_LOG_DEBUG("Installing SIGTERM handler ...");
+	assert(!sigaction(SIGTERM, &sig_act, NULL));
+
+	US_LOG_DEBUG("Installing SIGTERM handler ...");
+	assert(!sigaction(SIGPIPE, &sig_act, NULL));
+}
+
 static int _dump_sink(
 	const char *sink_name, unsigned sink_timeout,
 	long long count, long double interval,
 	bool key_required,
 	_output_context_s *ctx) {
 
-	int retval = -1;
-
 	if (count == 0) {
 		count = -1;
 	}
@@ -222,22 +238,26 @@ static int _dump_sink(
 	const useconds_t interval_us = interval * 1000000;
 
 	us_frame_s *frame = us_frame_init();
-	us_fpsi_s *fpsi = us_fpsi_init("SINK", false);
 	us_memsink_s *sink = NULL;
 
-	if ((sink = us_memsink_init_opened("input", sink_name, false, 0, false, 0, sink_timeout)) == NULL) {
+	if ((sink = us_memsink_init("input", sink_name, false, 0, false, 0, sink_timeout)) == NULL) {
 		goto error;
 	}
 
+	unsigned fps = 0;
+	unsigned fps_accum = 0;
+	long long fps_second = 0;
+
 	long double last_ts = 0;
 
 	while (!_g_stop) {
 		bool key_requested;
-		const int got = us_memsink_client_get(sink, frame, &key_requested, key_required);
-		if (got == 0) {
+		const int error = us_memsink_client_get(sink, frame, &key_requested, key_required);
+		if (error == 0) {
 			key_required = false;
 
 			const long double now = us_get_now_monotonic();
+			const long long now_second = us_floor_ms(now);
 
 			char fourcc_str[8];
 			US_LOG_VERBOSE("Frame: %s - %ux%u -- online=%d, key=%d, kr=%d, gop=%u, latency=%.3Lf, backlog=%.3Lf, size=%zu",
@@ -251,7 +271,13 @@ static int _dump_sink(
 			US_LOG_DEBUG("       stride=%u, grab_ts=%.3Lf, encode_begin_ts=%.3Lf, encode_end_ts=%.3Lf",
 				frame->stride, frame->grab_ts, frame->encode_begin_ts, frame->encode_end_ts);
 
-			us_fpsi_update(fpsi, true, NULL);
+			if (now_second != fps_second) {
+				fps = fps_accum;
+				fps_accum = 0;
+				fps_second = now_second;
+				US_LOG_PERF_FPS("A new second has come; captured_fps=%u", fps);
+			}
+			fps_accum += 1;
 
 			if (ctx->v_output != NULL) {
 				ctx->write(ctx->v_output, frame);
@@ -267,21 +293,25 @@ static int _dump_sink(
 			if (interval_us > 0) {
 				usleep(interval_us);
 			}
-		} else if (got == US_ERROR_NO_DATA) {
+		} else if (error == -2) {
 			usleep(1000);
 		} else {
 			goto error;
 		}
 	}
 
-	retval = 0;
+	int retval = 0;
+	goto ok;
 
-error:
-	US_DELETE(sink, us_memsink_destroy);
-	us_fpsi_destroy(fpsi);
-	us_frame_destroy(frame);
-	US_LOG_INFO("Bye-bye");
-	return retval;
+	error:
+		retval = -1;
+
+	ok:
+		US_DELETE(sink, us_memsink_destroy);
+		us_frame_destroy(frame);
+
+		US_LOG_INFO("Bye-bye");
+		return retval;
 }
 
 static void _help(FILE *fp) {
@@ -289,7 +319,7 @@ static void _help(FILE *fp) {
 	SAY("\nuStreamer-dump - Dump uStreamer's memory sink to file");
 	SAY("═════════════════════════════════════════════════════");
 	SAY("Version: %s; license: GPLv3", US_VERSION);
-	SAY("Copyright (C) 2018-2024 Maxim Devaev <mdevaev@gmail.com>\n");
+	SAY("Copyright (C) 2018-2023 Maxim Devaev <mdevaev@gmail.com>\n");
 	SAY("Example:");
 	SAY("════════");
 	SAY("    ustreamer-dump --sink test --output - \\");

src/libs/array.h

@@ -2,7 +2,7 @@
 #                                                                            #
 #    uStreamer - Lightweight and fast MJPEG-HTTP streamer.                   #
 #                                                                            #
-#    Copyright (C) 2018-2024  Maxim Devaev <mdevaev@gmail.com>               #
+#    Copyright (C) 2018-2023  Maxim Devaev <mdevaev@gmail.com>               #
 #                                                                            #
 #    This program is free software: you can redistribute it and/or modify    #
 #    it under the terms of the GNU General Public License as published by    #

src/libs/base64.c

@@ -2,7 +2,7 @@
 #                                                                            #
 #    uStreamer - Lightweight and fast MJPEG-HTTP streamer.                   #
 #                                                                            #
-#    Copyright (C) 2018-2024  Maxim Devaev <mdevaev@gmail.com>               #
+#    Copyright (C) 2018-2023  Maxim Devaev <mdevaev@gmail.com>               #
 #                                                                            #
 #    This program is free software: you can redistribute it and/or modify    #
 #    it under the terms of the GNU General Public License as published by    #
@@ -22,13 +22,6 @@
 
 #include "base64.h"
 
-#include <stdlib.h>
-#include <stdint.h>
-#include <string.h>
-
-#include "types.h"
-#include "tools.h"
-
 
 static const char _ENCODING_TABLE[] = {
 	'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H',
@@ -41,11 +34,11 @@ static const char _ENCODING_TABLE[] = {
 	'4', '5', '6', '7', '8', '9', '+', '/',
 };
 
-static const uint _MOD_TABLE[] = {0, 2, 1};
+static const unsigned _MOD_TABLE[] = {0, 2, 1};
 
 
-void us_base64_encode(const u8 *data, uz size, char **encoded, uz *allocated) {
-	const uz encoded_size = 4 * ((size + 2) / 3) + 1; // +1 for '\0'
+void us_base64_encode(const uint8_t *data, size_t size, char **encoded, size_t *allocated) {
+	const size_t encoded_size = 4 * ((size + 2) / 3) + 1; // +1 for '\0'
 
 	if (*encoded == NULL || (allocated && *allocated < encoded_size)) {
 		US_REALLOC(*encoded, encoded_size);
@@ -54,14 +47,14 @@ void us_base64_encode(const u8 *data, uz size, char **encoded, uz *allocated) {
 		}
 	}
 
-	for (uint data_index = 0, encoded_index = 0; data_index < size;) {
-#		define OCTET(_name) uint _name = (data_index < size ? (u8)data[data_index++] : 0)
+	for (unsigned data_index = 0, encoded_index = 0; data_index < size;) {
+#		define OCTET(_name) unsigned _name = (data_index < size ? (uint8_t)data[data_index++] : 0)
 		OCTET(octet_a);
 		OCTET(octet_b);
 		OCTET(octet_c);
 #		undef OCTET
 
-		const uint triple = (octet_a << 0x10) + (octet_b << 0x08) + octet_c;
+		const unsigned triple = (octet_a << 0x10) + (octet_b << 0x08) + octet_c;
 
 #		define ENCODE(_offset) (*encoded)[encoded_index++] = _ENCODING_TABLE[(triple >> _offset * 6) & 0x3F]
 		ENCODE(3);
@@ -71,7 +64,7 @@ void us_base64_encode(const u8 *data, uz size, char **encoded, uz *allocated) {
 #		undef ENCODE
 	}
 
-	for (uint index = 0; index < _MOD_TABLE[size % 3]; index++) {
+	for (unsigned index = 0; index < _MOD_TABLE[size % 3]; index++) {
 		(*encoded)[encoded_size - 2 - index] = '=';
 	}
 

src/libs/base64.h

@@ -2,7 +2,7 @@
 #                                                                            #
 #    uStreamer - Lightweight and fast MJPEG-HTTP streamer.                   #
 #                                                                            #
-#    Copyright (C) 2018-2024  Maxim Devaev <mdevaev@gmail.com>               #
+#    Copyright (C) 2018-2023  Maxim Devaev <mdevaev@gmail.com>               #
 #                                                                            #
 #    This program is free software: you can redistribute it and/or modify    #
 #    it under the terms of the GNU General Public License as published by    #
@@ -22,7 +22,13 @@
 
 #pragma once
 
-#include "types.h"
+#include <stdlib.h>
+#include <stdint.h>
+#include <string.h>
+
+#include <sys/types.h>
+
+#include "tools.h"
 
 
-void us_base64_encode(const u8 *data, uz size, char **encoded, uz *allocated);
+void us_base64_encode(const uint8_t *data, size_t size, char **encoded, size_t *allocated);

src/libs/const.h

@@ -2,7 +2,7 @@
 #                                                                            #
 #    uStreamer - Lightweight and fast MJPEG-HTTP streamer.                   #
 #                                                                            #
-#    Copyright (C) 2018-2024  Maxim Devaev <mdevaev@gmail.com>               #
+#    Copyright (C) 2018-2023  Maxim Devaev <mdevaev@gmail.com>               #
 #                                                                            #
 #    This program is free software: you can redistribute it and/or modify    #
 #    it under the terms of the GNU General Public License as published by    #
@@ -22,14 +22,11 @@
 
 #pragma once
 
-#include "types.h"
-
-
-#define US_VERSION_MAJOR 6
-#define US_VERSION_MINOR 18
+#define US_VERSION_MAJOR 5
+#define US_VERSION_MINOR 48
 
 #define US_MAKE_VERSION2(_major, _minor) #_major "." #_minor
 #define US_MAKE_VERSION1(_major, _minor) US_MAKE_VERSION2(_major, _minor)
 #define US_VERSION US_MAKE_VERSION1(US_VERSION_MAJOR, US_VERSION_MINOR)
 
-#define US_VERSION_U ((uint)(US_VERSION_MAJOR * 1000 + US_VERSION_MINOR))
+#define US_VERSION_U ((unsigned)(US_VERSION_MAJOR * 1000 + US_VERSION_MINOR))

src/libs/drm/drm.c

@@ -1,777 +0,0 @@
-/*****************************************************************************
-#                                                                            #
-#    uStreamer - Lightweight and fast MJPEG-HTTP streamer.                   #
-#                                                                            #
-#    Copyright (C) 2018-2024  Maxim Devaev <mdevaev@gmail.com>               #
-#                                                                            #
-#    This program is free software: you can redistribute it and/or modify    #
-#    it under the terms of the GNU General Public License as published by    #
-#    the Free Software Foundation, either version 3 of the License, or       #
-#    (at your option) any later version.                                     #
-#                                                                            #
-#    This program is distributed in the hope that it will be useful,         #
-#    but WITHOUT ANY WARRANTY; without even the implied warranty of          #
-#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the           #
-#    GNU General Public License for more details.                            #
-#                                                                            #
-#    You should have received a copy of the GNU General Public License       #
-#    along with this program.  If not, see <https://www.gnu.org/licenses/>.  #
-#                                                                            #
-*****************************************************************************/
-
-
-#include "drm.h"
-
-#include <string.h>
-#include <unistd.h>
-#include <fcntl.h>
-
-#include <sys/mman.h>
-#include <sys/stat.h>
-#include <sys/sysmacros.h>
-
-#include <linux/videodev2.h>
-
-#include <xf86drm.h>
-#include <xf86drmMode.h>
-#include <drm_fourcc.h>
-#include <libdrm/drm.h>
-
-#include "../types.h"
-#include "../errors.h"
-#include "../tools.h"
-#include "../logging.h"
-#include "../frame.h"
-#include "../frametext.h"
-#include "../capture.h"
-
-
-static void _drm_vsync_callback(int fd, uint n_frame, uint sec, uint usec, void *v_buf);
-static int _drm_check_status(us_drm_s *drm);
-static void _drm_ensure_dpms_power(us_drm_s *drm, bool on);
-static int _drm_init_buffers(us_drm_s *drm, const us_capture_s *cap);
-static int _drm_find_sink(us_drm_s *drm, uint width, uint height, float hz);
-
-static drmModeModeInfo *_find_best_mode(drmModeConnector *conn, uint width, uint height, float hz);
-static u32 _find_dpms(int fd, drmModeConnector *conn);
-static u32 _find_crtc(int fd, drmModeRes *res, drmModeConnector *conn, u32 *taken_crtcs);
-static const char *_connector_type_to_string(u32 type);
-static float _get_refresh_rate(const drmModeModeInfo *mode);
-
-
-#define _LOG_ERROR(x_msg, ...)	US_LOG_ERROR("DRM: " x_msg, ##__VA_ARGS__)
-#define _LOG_PERROR(x_msg, ...)	US_LOG_PERROR("DRM: " x_msg, ##__VA_ARGS__)
-#define _LOG_INFO(x_msg, ...)		US_LOG_INFO("DRM: " x_msg, ##__VA_ARGS__)
-#define _LOG_VERBOSE(x_msg, ...)	US_LOG_VERBOSE("DRM: " x_msg, ##__VA_ARGS__)
-#define _LOG_DEBUG(x_msg, ...)	US_LOG_DEBUG("DRM: " x_msg, ##__VA_ARGS__)
-
-
-us_drm_s *us_drm_init(void) {
-	us_drm_runtime_s *run;
-	US_CALLOC(run, 1);
-	run->fd = -1;
-	run->status_fd = -1;
-	run->dpms_state = -1;
-	run->opened = -1;
-	run->has_vsync = true;
-	run->exposing_dma_fd = -1;
-	run->ft = us_frametext_init();
-
-	us_drm_s *drm;
-	US_CALLOC(drm, 1);
-	// drm->path = "/dev/dri/card0";
-	drm->path = "/dev/dri/by-path/platform-gpu-card";
-	drm->port = "HDMI-A-2"; // OUT2 on PiKVM V4 Plus
-	drm->timeout = 5;
-	drm->blank_after = 5;
-	drm->run = run;
-	return drm;
-}
-
-void us_drm_destroy(us_drm_s *drm) {
-	us_frametext_destroy(drm->run->ft);
-	US_DELETE(drm->run, free);
-	US_DELETE(drm, free); // cppcheck-suppress uselessAssignmentPtrArg
-}
-
-int us_drm_open(us_drm_s *drm, const us_capture_s *cap) {
-	us_drm_runtime_s *const run = drm->run;
-
-	assert(run->fd < 0);
-
-	switch (_drm_check_status(drm)) {
-		case 0: break;
-		case US_ERROR_NO_DEVICE: goto unplugged;
-		default: goto error;
-	}
-
-	_LOG_INFO("Using passthrough: %s[%s]", drm->path, drm->port);
-	_LOG_INFO("Configuring DRM device for %s ...", (cap == NULL ? "STUB" : "DMA"));
-
-	if ((run->fd = open(drm->path, O_RDWR | O_CLOEXEC | O_NONBLOCK)) < 0) {
-		_LOG_PERROR("Can't open DRM device");
-		goto error;
-	}
-	_LOG_DEBUG("DRM device fd=%d opened", run->fd);
-
-	int stub = 0; // Open the real device with DMA
-	if (cap == NULL) {
-		stub = US_DRM_STUB_USER;
-	} else if (cap->run->format != V4L2_PIX_FMT_RGB24 && cap->run->format != V4L2_PIX_FMT_BGR24) {
-		stub = US_DRM_STUB_BAD_FORMAT;
-		char fourcc_str[8];
-		us_fourcc_to_string(cap->run->format, fourcc_str, 8);
-		_LOG_ERROR("Input format %s is not supported, forcing to STUB ...", fourcc_str);
-	}
-
-#	define CHECK_CAP(x_cap) { \
-			_LOG_DEBUG("Checking %s ...", #x_cap); \
-			u64 m_check; \
-			if (drmGetCap(run->fd, x_cap, &m_check) < 0) { \
-				_LOG_PERROR("Can't check " #x_cap); \
-				goto error; \
-			} \
-			if (!m_check) { \
-				_LOG_ERROR(#x_cap " is not supported"); \
-				goto error; \
-			} \
-		}
-	CHECK_CAP(DRM_CAP_DUMB_BUFFER);
-	if (stub == 0) {
-		CHECK_CAP(DRM_CAP_PRIME);
-	}
-#	undef CHECK_CAP
-
-	const uint width = (stub > 0 ? 0 : cap->run->width);
-	const uint height = (stub > 0 ? 0 : cap->run->height);
-	const uint hz = (stub > 0 ? 0 : cap->run->hz);
-	switch (_drm_find_sink(drm, width, height, hz)) {
-		case 0: break;
-		case US_ERROR_NO_DEVICE: goto unplugged;
-		default: goto error;
-	}
-	if ((stub == 0) && (width != run->mode.hdisplay || height < run->mode.vdisplay)) {
-		// We'll try to show something instead of nothing if height != vdisplay
-		stub = US_DRM_STUB_BAD_RESOLUTION;
-		_LOG_ERROR("There is no appropriate modes for the capture, forcing to STUB ...");
-	}
-
-	if (_drm_init_buffers(drm, (stub > 0 ? NULL : cap)) < 0) {
-		goto error;
-	}
-
-	run->saved_crtc = drmModeGetCrtc(run->fd, run->crtc_id);
-	_LOG_DEBUG("Setting up CRTC ...");
-	if (drmModeSetCrtc(run->fd, run->crtc_id, run->bufs[0].id, 0, 0, &run->conn_id, 1, &run->mode) < 0) {
-		_LOG_PERROR("Can't set CRTC");
-		goto error;
-	}
-
-	_LOG_INFO("Opened for %s ...", (stub > 0 ? "STUB" : "DMA"));
-	run->exposing_dma_fd = -1;
-	run->blank_at_ts = 0;
-	run->opened = stub;
-	run->once = 0;
-	return run->opened;
-
-error:
-	us_drm_close(drm);
-	return run->opened; // -1 after us_drm_close()
-
-unplugged:
-	US_ONCE_FOR(run->once, __LINE__, {
-		_LOG_ERROR("Display is not plugged");
-	});
-	us_drm_close(drm);
-	run->opened = US_ERROR_NO_DEVICE;
-	return run->opened;
-}
-
-void us_drm_close(us_drm_s *drm) {
-	us_drm_runtime_s *const run = drm->run;
-
-	if (run->exposing_dma_fd >= 0) {
-		// Нужно подождать, пока dma_fd не освободится, прежде чем прерывать процесс.
-		// Просто на всякий случай.
-		assert(run->fd >= 0);
-		us_drm_wait_for_vsync(drm);
-		run->exposing_dma_fd = -1;
-	}
-
-	if (run->saved_crtc != NULL) {
-		_LOG_DEBUG("Restoring CRTC ...");
-		if (drmModeSetCrtc(run->fd,
-			run->saved_crtc->crtc_id, run->saved_crtc->buffer_id,
-			run->saved_crtc->x, run->saved_crtc->y,
-			&run->conn_id, 1, &run->saved_crtc->mode
-		) < 0 && errno != ENOENT) {
-			_LOG_PERROR("Can't restore CRTC");
-		}
-		drmModeFreeCrtc(run->saved_crtc);
-		run->saved_crtc = NULL;
-	}
-
-	if (run->bufs != NULL) {
-		_LOG_DEBUG("Releasing buffers ...");
-		for (uint n_buf = 0; n_buf < run->n_bufs; ++n_buf) {
-			us_drm_buffer_s *const buf = &run->bufs[n_buf];
-			if (buf->fb_added && drmModeRmFB(run->fd, buf->id) < 0) {
-				_LOG_PERROR("Can't remove buffer=%u", n_buf);
-			}
-			if (buf->dumb_created) {
-				struct drm_mode_destroy_dumb destroy = {.handle = buf->handle};
-				if (drmIoctl(run->fd, DRM_IOCTL_MODE_DESTROY_DUMB, &destroy) < 0) {
-					_LOG_PERROR("Can't destroy dumb buffer=%u", n_buf);
-				}
-			}
-			if (buf->data != NULL && munmap(buf->data, buf->allocated)) {
-				_LOG_PERROR("Can't unmap buffer=%u", n_buf);
-			}
-		}
-		US_DELETE(run->bufs, free);
-		run->n_bufs = 0;
-	}
-
-	const bool say = (run->fd >= 0);
-	US_CLOSE_FD(run->status_fd);
-	US_CLOSE_FD(run->fd);
-
-	run->crtc_id = 0;
-	run->dpms_state = -1;
-	run->opened = -1;
-	run->has_vsync = true;
-	run->stub_n_buf = 0;
-
-	if (say) {
-		_LOG_INFO("Closed");
-	}
-}
-
-int us_drm_ensure_no_signal(us_drm_s *drm) {
-	us_drm_runtime_s *const run = drm->run;
-
-	assert(run->fd >= 0);
-	assert(run->opened > 0);
-
-	const ldf now_ts = us_get_now_monotonic();
-	if (run->blank_at_ts == 0) {
-		run->blank_at_ts = now_ts + drm->blank_after;
-	}
-	const ldf saved_ts = run->blank_at_ts; // us_drm*() rewrites it to 0
-
-	int retval;
-	if (now_ts <= run->blank_at_ts) {
-		retval = us_drm_wait_for_vsync(drm);
-		if (retval == 0) {
-			retval = us_drm_expose_stub(drm, US_DRM_STUB_NO_SIGNAL, NULL);
-		}
-	} else {
-		US_ONCE_FOR(run->once, __LINE__, {
-			_LOG_INFO("Turning off the display by timeout ...");
-		});
-		retval = us_drm_dpms_power_off(drm);
-	}
-	run->blank_at_ts = saved_ts;
-	return retval;
-}
-
-int us_drm_dpms_power_off(us_drm_s *drm) {
-	assert(drm->run->fd >= 0);
-	switch (_drm_check_status(drm)) {
-		case 0: break;
-		case US_ERROR_NO_DEVICE: return 0; // Unplugged, nice
-		// Во время переключения DPMS монитор моргает один раз состоянием disconnected,
-		// а потом почему-то снова оказывается connected. Так что просто считаем,
-		// что отсоединенный монитор на этом этапе - это нормально.
-		default: return -1;
-	}
-	_drm_ensure_dpms_power(drm, false);
-	return 0;
-}
-
-int us_drm_wait_for_vsync(us_drm_s *drm) {
-	us_drm_runtime_s *const run = drm->run;
-
-	assert(run->fd >= 0);
-	run->blank_at_ts = 0;
-
-	switch (_drm_check_status(drm)) {
-		case 0: break;
-		case US_ERROR_NO_DEVICE: return US_ERROR_NO_DEVICE;
-		default: return -1;
-	}
-	_drm_ensure_dpms_power(drm, true);
-
-	if (run->has_vsync) {
-		return 0;
-	}
-
-	struct timeval timeout = {.tv_sec = drm->timeout};
-	fd_set fds;
-	FD_ZERO(&fds);
-	FD_SET(run->fd, &fds);
-
-	_LOG_DEBUG("Calling select() for VSync ...");
-	const int result = select(run->fd + 1, &fds, NULL, NULL, &timeout);
-	if (result < 0) {
-		_LOG_PERROR("Can't select(%d) device for VSync", run->fd);
-		return -1;
-	} else if (result == 0) {
-		_LOG_ERROR("Device timeout while waiting VSync");
-		return -1;
-	}
-
-	drmEventContext ctx = {
-		.version = DRM_EVENT_CONTEXT_VERSION,
-		.page_flip_handler = _drm_vsync_callback,
-	};
-	_LOG_DEBUG("Handling DRM event (maybe VSync) ...");
-	if (drmHandleEvent(run->fd, &ctx) < 0) {
-		_LOG_PERROR("Can't handle DRM event");
-		return -1;
-	}
-	return 0;
-}
-
-static void _drm_vsync_callback(int fd, uint n_frame, uint sec, uint usec, void *v_buf) {
-	(void)fd;
-	(void)n_frame;
-	(void)sec;
-	(void)usec;
-	us_drm_buffer_s *const buf = v_buf;
-	*buf->ctx.has_vsync = true;
-	*buf->ctx.exposing_dma_fd = -1;
-	_LOG_DEBUG("Got VSync signal");
-}
-
-int us_drm_expose_stub(us_drm_s *drm, us_drm_stub_e stub, const us_capture_s *cap) {
-	us_drm_runtime_s *const run = drm->run;
-
-	assert(run->fd >= 0);
-	assert(run->opened > 0);
-	run->blank_at_ts = 0;
-
-	switch (_drm_check_status(drm)) {
-		case 0: break;
-		case US_ERROR_NO_DEVICE: return US_ERROR_NO_DEVICE;
-		default: return -1;
-	}
-	_drm_ensure_dpms_power(drm, true);
-
-#	define DRAW_MSG(x_msg) us_frametext_draw(run->ft, (x_msg), run->mode.hdisplay, run->mode.vdisplay)
-	switch (stub) {
-		case US_DRM_STUB_BAD_RESOLUTION: {
-			assert(cap != NULL);
-			char msg[1024];
-			US_SNPRINTF(msg, 1023,
-				"=== PiKVM ==="
-				"\n \n< UNSUPPORTED RESOLUTION >"
-				"\n \n< %ux%up%.02f >"
-				"\n \nby this display",
-				cap->run->width, cap->run->height, cap->run->hz);
-			DRAW_MSG(msg);
-			break;
-		};
-		case US_DRM_STUB_BAD_FORMAT:
-			DRAW_MSG("=== PiKVM ===\n \n< UNSUPPORTED CAPTURE FORMAT >");
-			break;
-		case US_DRM_STUB_NO_SIGNAL:
-			DRAW_MSG("=== PiKVM ===\n \n< NO SIGNAL >");
-			break;
-		case US_DRM_STUB_BUSY:
-			DRAW_MSG("=== PiKVM ===\n \n< ONLINE IS ACTIVE >");
-			break;
-		default:
-			DRAW_MSG("=== PiKVM ===\n \n< ??? >");
-			break;
-	}
-#	undef DRAW_MSG
-
-	us_drm_buffer_s *const buf = &run->bufs[run->stub_n_buf];
-
-	run->has_vsync = false;
-
-	_LOG_DEBUG("Copying STUB frame ...")
-	memcpy(buf->data, run->ft->frame->data, US_MIN(run->ft->frame->used, buf->allocated));
-
-	_LOG_DEBUG("Exposing STUB framebuffer n_buf=%u ...", run->stub_n_buf);
-	const int retval = drmModePageFlip(
-		run->fd, run->crtc_id, buf->id,
-		DRM_MODE_PAGE_FLIP_EVENT | DRM_MODE_PAGE_FLIP_ASYNC,
-		buf);
-	if (retval < 0) {
-		_LOG_PERROR("Can't expose STUB framebuffer n_buf=%u ...", run->stub_n_buf);
-	}
-	_LOG_DEBUG("Exposed STUB framebuffer n_buf=%u", run->stub_n_buf);
-
-	run->stub_n_buf = (run->stub_n_buf + 1) % run->n_bufs;
-	return retval;
-}
-
-int us_drm_expose_dma(us_drm_s *drm, const us_capture_hwbuf_s *hw) {
-	us_drm_runtime_s *const run = drm->run;
-	us_drm_buffer_s *const buf = &run->bufs[hw->buf.index];
-
-	assert(run->fd >= 0);
-	assert(run->opened == 0);
-	run->blank_at_ts = 0;
-
-	switch (_drm_check_status(drm)) {
-		case 0: break;
-		case US_ERROR_NO_DEVICE: return US_ERROR_NO_DEVICE;
-		default: return -1;
-	}
-	_drm_ensure_dpms_power(drm, true);
-
-	run->has_vsync = false;
-
-	_LOG_DEBUG("Exposing DMA framebuffer n_buf=%u ...", hw->buf.index);
-	const int retval = drmModePageFlip(
-		run->fd, run->crtc_id, buf->id,
-		DRM_MODE_PAGE_FLIP_EVENT | DRM_MODE_PAGE_FLIP_ASYNC,
-		buf);
-	if (retval < 0) {
-		_LOG_PERROR("Can't expose DMA framebuffer n_buf=%u ...", run->stub_n_buf);
-	}
-	_LOG_DEBUG("Exposed DMA framebuffer n_buf=%u", run->stub_n_buf);
-	run->exposing_dma_fd = hw->dma_fd;
-	return retval;
-}
-
-static int _drm_check_status(us_drm_s *drm) {
-	us_drm_runtime_s *run = drm->run;
-
-	if (run->status_fd < 0) {
-		_LOG_DEBUG("Trying to find status file ...");
-		struct stat st;
-		if (stat(drm->path, &st) < 0) {
-			_LOG_PERROR("Can't stat() DRM device");
-			goto error;
-		}
-		const uint mi = minor(st.st_rdev);
-		_LOG_DEBUG("DRM device minor(st_rdev)=%u", mi);
-
-		char path[128];
-		US_SNPRINTF(path, 127, "/sys/class/drm/card%u-%s/status", mi, drm->port);
-		_LOG_DEBUG("Opening status file %s ...", path);
-		if ((run->status_fd = open(path, O_RDONLY | O_CLOEXEC)) < 0) {
-			_LOG_PERROR("Can't open status file: %s", path);
-			goto error;
-		}
-		_LOG_DEBUG("Status file fd=%d opened", run->status_fd);
-	}
-
-	char status_ch;
-	if (read(run->status_fd, &status_ch, 1) != 1) {
-		_LOG_PERROR("Can't read status file");
-		goto error;
-	}
-	if (lseek(run->status_fd, 0, SEEK_SET) != 0) {
-		_LOG_PERROR("Can't rewind status file");
-		goto error;
-	}
-	_LOG_DEBUG("Current display status: %c", status_ch);
-	return (status_ch == 'd' ? US_ERROR_NO_DEVICE : 0);
-
-error:
-	US_CLOSE_FD(run->status_fd);
-	return -1;
-}
-
-static void _drm_ensure_dpms_power(us_drm_s *drm, bool on) {
-	us_drm_runtime_s *const run = drm->run;
-	if (run->dpms_id > 0 && run->dpms_state != (int)on) {
-		_LOG_INFO("Changing DPMS power mode: %d -> %u ...", run->dpms_state, on);
-		if (drmModeConnectorSetProperty(
-			run->fd, run->conn_id, run->dpms_id,
-			(on ? DRM_MODE_DPMS_ON : DRM_MODE_DPMS_OFF)
-		) < 0) {
-			_LOG_PERROR("Can't set DPMS power=%u (ignored)", on);
-		}
-	}
-	run->dpms_state = (int)on;
-}
-
-static int _drm_init_buffers(us_drm_s *drm, const us_capture_s *cap) {
-	us_drm_runtime_s *const run = drm->run;
-
-	const uint n_bufs = (cap == NULL ? 4 : cap->run->n_bufs);
-	const char *name = (cap == NULL ? "STUB" : "DMA");
-
-	_LOG_DEBUG("Initializing %u %s buffers ...", n_bufs, name);
-
-	uint format = DRM_FORMAT_RGB888;
-
-	US_CALLOC(run->bufs, n_bufs);
-	for (run->n_bufs = 0; run->n_bufs < n_bufs; ++run->n_bufs) {
-		const uint n_buf = run->n_bufs;
-		us_drm_buffer_s *const buf = &run->bufs[n_buf];
-
-		buf->ctx.has_vsync = &run->has_vsync;
-		buf->ctx.exposing_dma_fd = &run->exposing_dma_fd;
-
-		u32 handles[4] = {0};
-		u32 strides[4] = {0};
-		u32 offsets[4] = {0};
-
-		if (cap == NULL) {
-			struct drm_mode_create_dumb create = {
-				.width = run->mode.hdisplay,
-				.height = run->mode.vdisplay,
-				.bpp = 24,
-			};
-			if (drmIoctl(run->fd, DRM_IOCTL_MODE_CREATE_DUMB, &create) < 0) {
-				_LOG_PERROR("Can't create %s buffer=%u", name, n_buf);
-				return -1;
-			}
-			buf->handle = create.handle;
-			buf->dumb_created = true;
-
-			struct drm_mode_map_dumb map = {.handle = create.handle};
-			if (drmIoctl(run->fd, DRM_IOCTL_MODE_MAP_DUMB, &map) < 0) {
-				_LOG_PERROR("Can't prepare dumb buffer=%u to mapping", n_buf);
-				return -1;
-			}
-			if ((buf->data = mmap(
-				NULL, create.size,
-				PROT_READ | PROT_WRITE, MAP_SHARED,
-				run->fd, map.offset
-			)) == MAP_FAILED) {
-				_LOG_PERROR("Can't map buffer=%u", n_buf);
-				return -1;
-			}
-			memset(buf->data, 0, create.size);
-			buf->allocated = create.size;
-
-			handles[0] = create.handle;
-			strides[0] = create.pitch;
-
-		} else {
-			if (drmPrimeFDToHandle(run->fd, cap->run->bufs[n_buf].dma_fd, &buf->handle) < 0) {
-				_LOG_PERROR("Can't import DMA buffer=%u from capture device", n_buf);
-				return -1;
-			}
-			handles[0] = buf->handle;
-			strides[0] = cap->run->stride;
-
-			switch (cap->run->format) {
-				case V4L2_PIX_FMT_RGB24: format = (DRM_FORMAT_BIG_ENDIAN ? DRM_FORMAT_BGR888 : DRM_FORMAT_RGB888); break;
-				case V4L2_PIX_FMT_BGR24: format = (DRM_FORMAT_BIG_ENDIAN ? DRM_FORMAT_RGB888 : DRM_FORMAT_BGR888); break;
-			}
-		}
-
-		if (drmModeAddFB2(
-			run->fd,
-			run->mode.hdisplay, run->mode.vdisplay, format,
-			handles, strides, offsets, &buf->id, 0
-		)) {
-			_LOG_PERROR("Can't setup buffer=%u", n_buf);
-			return -1;
-		}
-		buf->fb_added = true;
-	}
-	return 0;
-}
-
-static int _drm_find_sink(us_drm_s *drm, uint width, uint height, float hz) {
-	us_drm_runtime_s *const run = drm->run;
-
-	run->crtc_id = 0;
-
-	_LOG_DEBUG("Trying to find the appropriate sink ...");
-
-	drmModeRes *res = drmModeGetResources(run->fd);
-	if (res == NULL) {
-		_LOG_PERROR("Can't get resources info");
-		goto done;
-	}
-	if (res->count_connectors <= 0) {
-		_LOG_ERROR("Can't find any connectors");
-		goto done;
-	}
-
-	for (int ci = 0; ci < res->count_connectors; ++ci) {
-		drmModeConnector *conn = drmModeGetConnector(run->fd, res->connectors[ci]);
-		if (conn == NULL) {
-			_LOG_PERROR("Can't get connector index=%d", ci);
-			goto done;
-		}
-
-		char port[32];
-		US_SNPRINTF(port, 31, "%s-%u",
-			_connector_type_to_string(conn->connector_type),
-			conn->connector_type_id);
-		if (strcmp(port, drm->port) != 0) {
-			drmModeFreeConnector(conn);
-			continue;
-		}
-		_LOG_INFO("Using connector %s: conn_type=%d, conn_type_id=%d",
-			drm->port, conn->connector_type, conn->connector_type_id);
-
-		if (conn->connection != DRM_MODE_CONNECTED) {
-			_LOG_ERROR("Connector for port %s has !DRM_MODE_CONNECTED", drm->port);
-			drmModeFreeConnector(conn);
-			goto done;
-		}
-
-		const drmModeModeInfo *best;
-		if ((best = _find_best_mode(conn, width, height, hz)) == NULL) {
-			_LOG_ERROR("Can't find any appropriate display modes");
-			drmModeFreeConnector(conn);
-			goto unplugged;
-		}
-		_LOG_INFO("Using best mode: %ux%up%.02f",
-			best->hdisplay, best->vdisplay, _get_refresh_rate(best));
-
-		if ((run->dpms_id = _find_dpms(run->fd, conn)) > 0) {
-			_LOG_INFO("Using DPMS: id=%u", run->dpms_id);
-		} else {
-			_LOG_INFO("Using DPMS: None");
-		}
-
-		u32 taken_crtcs = 0; // Unused here
-		if ((run->crtc_id = _find_crtc(run->fd, res, conn, &taken_crtcs)) == 0) {
-			_LOG_ERROR("Can't find CRTC");
-			drmModeFreeConnector(conn);
-			goto done;
-		}
-		_LOG_INFO("Using CRTC: id=%u", run->crtc_id);
-
-		run->conn_id = conn->connector_id;
-		memcpy(&run->mode, best, sizeof(drmModeModeInfo));
-
-		drmModeFreeConnector(conn);
-		break;
-	}
-
-done:
-	drmModeFreeResources(res);
-	return (run->crtc_id > 0 ? 0 : -1);
-
-unplugged:
-	drmModeFreeResources(res);
-	return US_ERROR_NO_DEVICE;
-}
-
-static drmModeModeInfo *_find_best_mode(drmModeConnector *conn, uint width, uint height, float hz) {
-	drmModeModeInfo *best = NULL;
-	drmModeModeInfo *closest = NULL;
-	drmModeModeInfo *pref = NULL;
-
-	for (int mi = 0; mi < conn->count_modes; ++mi) {
-		drmModeModeInfo *const mode = &conn->modes[mi];
-		if (mode->flags & DRM_MODE_FLAG_INTERLACE) {
-			continue; // Discard interlaced
-		}
-		const float mode_hz = _get_refresh_rate(mode);
-		if (mode->hdisplay == width && mode->vdisplay == height) {
-			best = mode; // Any mode with exact resolution
-			if (hz > 0 && mode_hz == hz) {
-				break; // Exact mode with same freq
-			}
-		}
-		if (mode->hdisplay == width && mode->vdisplay < height) {
-			if (closest == NULL || _get_refresh_rate(closest) != hz) {
-				closest = mode; // Something like 1920x1080p60 for 1920x1200p60 source
-			}
-		}
-		if (pref == NULL && (mode->type & DRM_MODE_TYPE_PREFERRED)) {
-			pref = mode; // Preferred mode if nothing is found
-		}
-	}
-
-	if (best == NULL) {
-		best = closest;
-	}
-	if (best == NULL) {
-		best = pref;
-	}
-	if (best == NULL) {
-		best = (conn->count_modes > 0 ? &conn->modes[0] : NULL);
-	}
-	assert(best == NULL || best->hdisplay > 0);
-	assert(best == NULL || best->vdisplay > 0);
-	return best;
-}
-
-static u32 _find_dpms(int fd, drmModeConnector *conn) {
-	for (int pi = 0; pi < conn->count_props; pi++) {
-		drmModePropertyPtr prop = drmModeGetProperty(fd, conn->props[pi]);
-		if (prop != NULL) {
-			if (!strcmp(prop->name, "DPMS")) {
-				const u32 id = prop->prop_id;
-				drmModeFreeProperty(prop);
-				return id;
-			}
-			drmModeFreeProperty(prop);
-		}
-	}
-	return 0;
-}
-
-static u32 _find_crtc(int fd, drmModeRes *res, drmModeConnector *conn, u32 *taken_crtcs) {
-	for (int ei = 0; ei < conn->count_encoders; ++ei) {
-		drmModeEncoder *enc = drmModeGetEncoder(fd, conn->encoders[ei]);
-		if (enc == NULL) {
-			continue;
-		}
-		for (int ci = 0; ci < res->count_crtcs; ++ci) {
-			u32 bit = (1 << ci);
-			if (!(enc->possible_crtcs & bit)) {
-				continue; // Not compatible
-			}
-			if (*taken_crtcs & bit) {
-				continue; // Already taken
-			}
-			drmModeFreeEncoder(enc);
-			*taken_crtcs |= bit;
-			return res->crtcs[ci];
-		}
-		drmModeFreeEncoder(enc);
-	}
-	return 0;
-}
-
-static const char *_connector_type_to_string(u32 type) {
-	switch (type) {
-#		define CASE_NAME(x_suffix, x_name) \
-			case DRM_MODE_CONNECTOR_##x_suffix: return x_name;
-		CASE_NAME(VGA,			"VGA");
-		CASE_NAME(DVII,			"DVI-I");
-		CASE_NAME(DVID,			"DVI-D");
-		CASE_NAME(DVIA,			"DVI-A");
-		CASE_NAME(Composite,	"Composite");
-		CASE_NAME(SVIDEO,		"SVIDEO");
-		CASE_NAME(LVDS,			"LVDS");
-		CASE_NAME(Component,	"Component");
-		CASE_NAME(9PinDIN,		"DIN");
-		CASE_NAME(DisplayPort,	"DP");
-		CASE_NAME(HDMIA,		"HDMI-A");
-		CASE_NAME(HDMIB,		"HDMI-B");
-		CASE_NAME(TV,			"TV");
-		CASE_NAME(eDP,			"eDP");
-		CASE_NAME(VIRTUAL,		"Virtual");
-		CASE_NAME(DSI,			"DSI");
-		CASE_NAME(DPI,			"DPI");
-		CASE_NAME(WRITEBACK,	"Writeback");
-		CASE_NAME(SPI,			"SPI");
-		CASE_NAME(USB,			"USB");
-		case DRM_MODE_CONNECTOR_Unknown: break;
-#		undef CASE_NAME
-	}
-	return "Unknown";
-}
-
-static float _get_refresh_rate(const drmModeModeInfo *mode) {
-	int mhz = (mode->clock * 1000000LL / mode->htotal + mode->vtotal / 2) / mode->vtotal;
-	if (mode->flags & DRM_MODE_FLAG_INTERLACE) {
-		mhz *= 2;
-	}
-	if (mode->flags & DRM_MODE_FLAG_DBLSCAN) {
-		mhz /= 2;
-	}
-	if (mode->vscan > 1) {
-		mhz /= mode->vscan;
-	}
-	return (float)mhz / 1000;
-}

src/libs/drm/drm.h

@@ -1,97 +0,0 @@
-/*****************************************************************************
-#                                                                            #
-#    uStreamer - Lightweight and fast MJPEG-HTTP streamer.                   #
-#                                                                            #
-#    Copyright (C) 2018-2024  Maxim Devaev <mdevaev@gmail.com>               #
-#                                                                            #
-#    This program is free software: you can redistribute it and/or modify    #
-#    it under the terms of the GNU General Public License as published by    #
-#    the Free Software Foundation, either version 3 of the License, or       #
-#    (at your option) any later version.                                     #
-#                                                                            #
-#    This program is distributed in the hope that it will be useful,         #
-#    but WITHOUT ANY WARRANTY; without even the implied warranty of          #
-#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the           #
-#    GNU General Public License for more details.                            #
-#                                                                            #
-#    You should have received a copy of the GNU General Public License       #
-#    along with this program.  If not, see <https://www.gnu.org/licenses/>.  #
-#                                                                            #
-*****************************************************************************/
-
-
-#pragma once
-
-
-#include <xf86drmMode.h>
-
-#include "../types.h"
-#include "../frame.h"
-#include "../frametext.h"
-#include "../capture.h"
-
-
-typedef enum {
-	US_DRM_STUB_USER = 1,
-	US_DRM_STUB_BAD_RESOLUTION,
-	US_DRM_STUB_BAD_FORMAT,
-	US_DRM_STUB_NO_SIGNAL,
-	US_DRM_STUB_BUSY,
-} us_drm_stub_e;
-
-typedef struct {
-	u32		id;
-	u32		handle;
-	u8		*data;
-	uz		allocated;
-	bool	dumb_created;
-	bool	fb_added;
-	struct {
-		bool	*has_vsync;
-		int		*exposing_dma_fd;
-	} ctx;
-} us_drm_buffer_s;
-
-typedef struct {
-	int				status_fd;
-	int				fd;
-	u32				crtc_id;
-	u32				conn_id;
-	u32				dpms_id;
-	drmModeModeInfo	mode;
-	us_drm_buffer_s	*bufs;
-	uint			n_bufs;
-	drmModeCrtc		*saved_crtc;
-	int				dpms_state;
-	int				opened;
-
-	bool			has_vsync;
-	int				exposing_dma_fd;
-	uint			stub_n_buf;
-	ldf				blank_at_ts;
-
-	int				once;
-	us_frametext_s	*ft;
-} us_drm_runtime_s;
-
-typedef struct {
-	char	*path;
-	char	*port;
-	uint	timeout;
-	uint	blank_after;
-
-	us_drm_runtime_s *run;
-} us_drm_s;
-
-
-us_drm_s *us_drm_init(void);
-void us_drm_destroy(us_drm_s *drm);
-
-int us_drm_open(us_drm_s *drm, const us_capture_s *cap);
-void us_drm_close(us_drm_s *drm);
-
-int us_drm_dpms_power_off(us_drm_s *drm);
-int us_drm_wait_for_vsync(us_drm_s *drm);
-int us_drm_expose_stub(us_drm_s *drm, us_drm_stub_e stub, const us_capture_s *cap);
-int us_drm_expose_dma(us_drm_s *drm, const us_capture_hwbuf_s *hw);
-int us_drm_ensure_no_signal(us_drm_s *drm);

src/libs/errors.h

@@ -1,27 +0,0 @@
-/*****************************************************************************
-#                                                                            #
-#    uStreamer - Lightweight and fast MJPEG-HTTP streamer.                   #
-#                                                                            #
-#    Copyright (C) 2018-2024  Maxim Devaev <mdevaev@gmail.com>               #
-#                                                                            #
-#    This program is free software: you can redistribute it and/or modify    #
-#    it under the terms of the GNU General Public License as published by    #
-#    the Free Software Foundation, either version 3 of the License, or       #
-#    (at your option) any later version.                                     #
-#                                                                            #
-#    This program is distributed in the hope that it will be useful,         #
-#    but WITHOUT ANY WARRANTY; without even the implied warranty of          #
-#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the           #
-#    GNU General Public License for more details.                            #
-#                                                                            #
-#    You should have received a copy of the GNU General Public License       #
-#    along with this program.  If not, see <https://www.gnu.org/licenses/>.  #
-#                                                                            #
-*****************************************************************************/
-
-
-#pragma once
-
-#define US_ERROR_COMMON		-1
-#define US_ERROR_NO_DEVICE	-2
-#define US_ERROR_NO_DATA	-3

src/libs/fpsi.c

@@ -1,112 +0,0 @@
-/*****************************************************************************
-#                                                                            #
-#    uStreamer - Lightweight and fast MJPEG-HTTP streamer.                   #
-#                                                                            #
-#    Copyright (C) 2018-2024  Maxim Devaev <mdevaev@gmail.com>               #
-#                                                                            #
-#    This program is free software: you can redistribute it and/or modify    #
-#    it under the terms of the GNU General Public License as published by    #
-#    the Free Software Foundation, either version 3 of the License, or       #
-#    (at your option) any later version.                                     #
-#                                                                            #
-#    This program is distributed in the hope that it will be useful,         #
-#    but WITHOUT ANY WARRANTY; without even the implied warranty of          #
-#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the           #
-#    GNU General Public License for more details.                            #
-#                                                                            #
-#    You should have received a copy of the GNU General Public License       #
-#    along with this program.  If not, see <https://www.gnu.org/licenses/>.  #
-#                                                                            #
-*****************************************************************************/
-
-
-#include "fpsi.h"
-
-#include <stdatomic.h>
-
-#include <pthread.h>
-
-#include "types.h"
-#include "tools.h"
-#include "threading.h"
-#include "logging.h"
-#include "frame.h"
-
-
-us_fpsi_s *us_fpsi_init(const char *name, bool with_meta) {
-	us_fpsi_s *fpsi;
-	US_CALLOC(fpsi, 1);
-	fpsi->name = us_strdup(name);
-	fpsi->with_meta = with_meta;
-	atomic_init(&fpsi->state_sec_ts, 0);
-	atomic_init(&fpsi->state, 0);
-	return fpsi;
-}
-
-void us_fpsi_destroy(us_fpsi_s *fpsi) {
-	free(fpsi->name);
-	free(fpsi);
-}
-
-void us_fpsi_frame_to_meta(const us_frame_s *frame, us_fpsi_meta_s *meta) {
-	meta->width = frame->width;
-	meta->height = frame->height;
-	meta->online = frame->online;
-}
-
-void us_fpsi_update(us_fpsi_s *fpsi, bool bump, const us_fpsi_meta_s *meta) {
-	if (meta != NULL) {
-		assert(fpsi->with_meta);
-	} else {
-		assert(!fpsi->with_meta);
-	}
-
-	const sll now_sec_ts = us_floor_ms(us_get_now_monotonic());
-	if (atomic_load(&fpsi->state_sec_ts) != now_sec_ts) {
-		US_LOG_PERF_FPS("FPS: %s: %u", fpsi->name, fpsi->accum);
-
-		// Fast mutex-less store method
-		ull state = (ull)fpsi->accum & 0xFFFF;
-		if (fpsi->with_meta) {
-			assert(meta != NULL);
-			state |= (ull)(meta->width & 0xFFFF) << 16;
-			state |= (ull)(meta->height & 0xFFFF) << 32;
-			state |= (ull)(meta->online ? 1 : 0) << 48;
-		}
-		atomic_store(&fpsi->state, state); // Сначала инфа
-		atomic_store(&fpsi->state_sec_ts, now_sec_ts); // Потом время, это важно
-		fpsi->accum = 0;
-	}
-	if (bump) {
-		++fpsi->accum;
-	}
-}
-
-uint us_fpsi_get(us_fpsi_s *fpsi, us_fpsi_meta_s *meta) {
-	if (meta != NULL) {
-		assert(fpsi->with_meta);
-	} else {
-		assert(!fpsi->with_meta);
-	}
-
-	// Между чтением инфы и времени может быть гонка,
-	// но это неважно. Если время свежее, до данные тоже
-	// будут свежмими, обратный случай не так важен.
-	const sll now_sec_ts = us_floor_ms(us_get_now_monotonic());
-	const sll state_sec_ts = atomic_load(&fpsi->state_sec_ts); // Сначала время
-	const ull state = atomic_load(&fpsi->state); // Потом инфа
-
-	uint current = state & 0xFFFF;
-	if (fpsi->with_meta) {
-		assert(meta != NULL);
-		meta->width = (state >> 16) & 0xFFFF;
-		meta->height = (state >> 32) & 0xFFFF;
-		meta->online = (state >> 48) & 1;
-	}
-
-	if (state_sec_ts != now_sec_ts && (state_sec_ts + 1) != now_sec_ts) {
-		// Только текущая или прошлая секунда
-		current = 0;
-	}
-	return current;
-}

src/libs/frame.c

@@ -2,7 +2,7 @@
 #                                                                            #
 #    uStreamer - Lightweight and fast MJPEG-HTTP streamer.                   #
 #                                                                            #
-#    Copyright (C) 2018-2024  Maxim Devaev <mdevaev@gmail.com>               #
+#    Copyright (C) 2018-2023  Maxim Devaev <mdevaev@gmail.com>               #
 #                                                                            #
 #    This program is free software: you can redistribute it and/or modify    #
 #    it under the terms of the GNU General Public License as published by    #
@@ -22,16 +22,6 @@
 
 #include "frame.h"
 
-#include <stddef.h>
-#include <stdlib.h>
-#include <string.h>
-#include <assert.h>
-
-#include <linux/videodev2.h>
-
-#include "types.h"
-#include "tools.h"
-
 
 us_frame_s *us_frame_init(void) {
 	us_frame_s *frame;
@@ -46,21 +36,21 @@ void us_frame_destroy(us_frame_s *frame) {
 	free(frame);
 }
 
-void us_frame_realloc_data(us_frame_s *frame, uz size) {
+void us_frame_realloc_data(us_frame_s *frame, size_t size) {
 	if (frame->allocated < size) {
 		US_REALLOC(frame->data, size);
 		frame->allocated = size;
 	}
 }
 
-void us_frame_set_data(us_frame_s *frame, const u8 *data, uz size) {
+void us_frame_set_data(us_frame_s *frame, const uint8_t *data, size_t size) {
 	us_frame_realloc_data(frame, size);
 	memcpy(frame->data, data, size);
 	frame->used = size;
 }
 
-void us_frame_append_data(us_frame_s *frame, const u8 *data, uz size) {
-	const uz new_used = frame->used + size;
+void us_frame_append_data(us_frame_s *frame, const uint8_t *data, size_t size) {
+	const size_t new_used = frame->used + size;
 	us_frame_realloc_data(frame, new_used);
 	memcpy(frame->data + frame->used, data, size);
 	frame->used = new_used;
@@ -74,16 +64,15 @@ void us_frame_copy(const us_frame_s *src, us_frame_s *dest) {
 bool us_frame_compare(const us_frame_s *a, const us_frame_s *b) {
 	return (
 		a->allocated && b->allocated
-		&& US_FRAME_COMPARE_GEOMETRY(a, b)
+		&& US_FRAME_COMPARE_META_USED_NOTS(a, b)
 		&& !memcmp(a->data, b->data, b->used)
 	);
 }
 
-uint us_frame_get_padding(const us_frame_s *frame) {
-	uint bytes_per_pixel = 0;
+unsigned us_frame_get_padding(const us_frame_s *frame) {
+	unsigned bytes_per_pixel = 0;
 	switch (frame->format) {
 		case V4L2_PIX_FMT_YUYV:
-		case V4L2_PIX_FMT_YVYU:
 		case V4L2_PIX_FMT_UYVY:
 		case V4L2_PIX_FMT_RGB565: bytes_per_pixel = 2; break;
 		case V4L2_PIX_FMT_BGR24:
@@ -99,17 +88,13 @@ uint us_frame_get_padding(const us_frame_s *frame) {
 	return 0;
 }
 
-bool us_is_jpeg(uint format) {
-	return (format == V4L2_PIX_FMT_JPEG || format == V4L2_PIX_FMT_MJPEG);
-}
-
-const char *us_fourcc_to_string(uint format, char *buf, uz size) {
+const char *us_fourcc_to_string(unsigned format, char *buf, size_t size) {
 	assert(size >= 8);
 	buf[0] = format & 0x7F;
 	buf[1] = (format >> 8) & 0x7F;
 	buf[2] = (format >> 16) & 0x7F;
 	buf[3] = (format >> 24) & 0x7F;
-	if (format & ((uint)1 << 31)) {
+	if (format & ((unsigned)1 << 31)) {
 		buf[4] = '-';
 		buf[5] = 'B';
 		buf[6] = 'E';

src/libs/frame.h

@@ -2,7 +2,7 @@
 #                                                                            #
 #    uStreamer - Lightweight and fast MJPEG-HTTP streamer.                   #
 #                                                                            #
-#    Copyright (C) 2018-2024  Maxim Devaev <mdevaev@gmail.com>               #
+#    Copyright (C) 2018-2023  Maxim Devaev <mdevaev@gmail.com>               #
 #                                                                            #
 #    This program is free software: you can redistribute it and/or modify    #
 #    it under the terms of the GNU General Public License as published by    #
@@ -22,68 +22,74 @@
 
 #pragma once
 
-#include "types.h"
+#include <stddef.h>
+#include <stdint.h>
+#include <stdbool.h>
+#include <stdlib.h>
+#include <string.h>
+#include <assert.h>
+
+#include <linux/videodev2.h>
+
 #include "tools.h"
 
 
-#define US_FRAME_META_DECLARE \
-	uint	width; \
-	uint	height; \
-	uint	format; \
-	uint	stride; \
-	/* Stride is a bytesperline in V4L2 */ \
-	/* https://www.kernel.org/doc/html/v4.14/media/uapi/v4l/pixfmt-v4l2.html */ \
-	/* https://medium.com/@oleg.shipitko/what-does-stride-mean-in-image-processing-bba158a72bcd */ \
-	bool	online; \
-	bool	key; \
-	uint	gop; \
-	\
-	ldf		grab_ts; \
-	ldf		encode_begin_ts; \
-	ldf		encode_end_ts;
-
-
 typedef struct {
-	u8		*data;
-	uz		used;
-	uz		allocated;
-	int		dma_fd;
+	uint8_t		*data;
+	size_t		used;
+	size_t		allocated;
+	int			dma_fd;
 
-	US_FRAME_META_DECLARE;
+	unsigned	width;
+	unsigned	height;
+	unsigned	format;
+	unsigned	stride;
+	// Stride is a bytesperline in V4L2
+	// https://www.kernel.org/doc/html/v4.14/media/uapi/v4l/pixfmt-v4l2.html
+	// https://medium.com/@oleg.shipitko/what-does-stride-mean-in-image-processing-bba158a72bcd
+
+	bool		online;
+	bool		key;
+	unsigned	gop;
+
+	long double	grab_ts;
+	long double	encode_begin_ts;
+	long double	encode_end_ts;
 } us_frame_s;
 
 
 #define US_FRAME_COPY_META(x_src, x_dest) { \
-		(x_dest)->width = (x_src)->width; \
-		(x_dest)->height = (x_src)->height; \
-		(x_dest)->format = (x_src)->format; \
-		(x_dest)->stride = (x_src)->stride; \
-		(x_dest)->online = (x_src)->online; \
-		(x_dest)->key = (x_src)->key; \
-		(x_dest)->gop = (x_src)->gop; \
-		\
-		(x_dest)->grab_ts = (x_src)->grab_ts; \
-		(x_dest)->encode_begin_ts = (x_src)->encode_begin_ts; \
-		(x_dest)->encode_end_ts = (x_src)->encode_end_ts; \
+		x_dest->width = x_src->width; \
+		x_dest->height = x_src->height; \
+		x_dest->format = x_src->format; \
+		x_dest->stride = x_src->stride; \
+		x_dest->online = x_src->online; \
+		x_dest->key = x_src->key; \
+		x_dest->gop = x_src->gop; \
+		x_dest->grab_ts = x_src->grab_ts; \
+		x_dest->encode_begin_ts = x_src->encode_begin_ts; \
+		x_dest->encode_end_ts = x_src->encode_end_ts; \
 	}
 
-#define US_FRAME_COMPARE_GEOMETRY(x_a, x_b) ( \
-		/* Compare the used size and significant meta (no timings) */ \
-		(x_a)->used == (x_b)->used \
-		\
-		&& (x_a)->width == (x_b)->width \
-		&& (x_a)->height == (x_b)->height \
-		&& (x_a)->format == (x_b)->format \
-		&& (x_a)->stride == (x_b)->stride \
-		&& (x_a)->online == (x_b)->online \
-		&& (x_a)->key == (x_b)->key \
-		&& (x_a)->gop == (x_b)->gop \
+static inline void us_frame_copy_meta(const us_frame_s *src, us_frame_s *dest) {
+	US_FRAME_COPY_META(src, dest);
+}
+
+#define US_FRAME_COMPARE_META_USED_NOTS(x_a, x_b) ( \
+		x_a->used == x_b->used \
+		&& x_a->width == x_b->width \
+		&& x_a->height == x_b->height \
+		&& x_a->format == x_b->format \
+		&& x_a->stride == x_b->stride \
+		&& x_a->online == x_b->online \
+		&& x_a->key == x_b->key \
+		&& x_a->gop == x_b->gop \
 	)
 
 
-static inline void us_frame_encoding_begin(const us_frame_s *src, us_frame_s *dest, uint format) {
+static inline void us_frame_encoding_begin(const us_frame_s *src, us_frame_s *dest, unsigned format) {
 	assert(src->used > 0);
-	US_FRAME_COPY_META(src, dest);
+	us_frame_copy_meta(src, dest);
 	dest->encode_begin_ts = us_get_now_monotonic();
 	dest->format = format;
 	dest->stride = 0;
@@ -99,14 +105,17 @@ static inline void us_frame_encoding_end(us_frame_s *dest) {
 us_frame_s *us_frame_init(void);
 void us_frame_destroy(us_frame_s *frame);
 
-void us_frame_realloc_data(us_frame_s *frame, uz size);
-void us_frame_set_data(us_frame_s *frame, const u8 *data, uz size);
-void us_frame_append_data(us_frame_s *frame, const u8 *data, uz size);
+void us_frame_realloc_data(us_frame_s *frame, size_t size);
+void us_frame_set_data(us_frame_s *frame, const uint8_t *data, size_t size);
+void us_frame_append_data(us_frame_s *frame, const uint8_t *data, size_t size);
 
 void us_frame_copy(const us_frame_s *src, us_frame_s *dest);
 bool us_frame_compare(const us_frame_s *a, const us_frame_s *b);
 
-uint us_frame_get_padding(const us_frame_s *frame);
+unsigned us_frame_get_padding(const us_frame_s *frame);
 
-bool us_is_jpeg(uint format);
-const char *us_fourcc_to_string(uint format, char *buf, uz size);
+const char *us_fourcc_to_string(unsigned format, char *buf, size_t size);
+
+static inline bool us_is_jpeg(unsigned format) {
+	return (format == V4L2_PIX_FMT_JPEG || format == V4L2_PIX_FMT_MJPEG);
+}

src/libs/frametext.c

@@ -1,186 +0,0 @@
-/*****************************************************************************
-#                                                                            #
-#    uStreamer - Lightweight and fast MJPEG-HTTP streamer.                   #
-#                                                                            #
-#    Copyright (C) 2018-2024  Maxim Devaev <mdevaev@gmail.com>               #
-#                                                                            #
-#    This program is free software: you can redistribute it and/or modify    #
-#    it under the terms of the GNU General Public License as published by    #
-#    the Free Software Foundation, either version 3 of the License, or       #
-#    (at your option) any later version.                                     #
-#                                                                            #
-#    This program is distributed in the hope that it will be useful,         #
-#    but WITHOUT ANY WARRANTY; without even the implied warranty of          #
-#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the           #
-#    GNU General Public License for more details.                            #
-#                                                                            #
-#    You should have received a copy of the GNU General Public License       #
-#    along with this program.  If not, see <https://www.gnu.org/licenses/>.  #
-#                                                                            #
-*****************************************************************************/
-
-
-#include "frametext.h"
-
-#include <string.h>
-
-#include <sys/types.h>
-
-#include <linux/videodev2.h>
-
-#include "tools.h"
-#include "frame.h"
-#include "frametext_font.h"
-
-
-static void _frametext_draw_line(
-	us_frametext_s *ft, const char *line,
-	uint scale_x, uint scale_y,
-	uint start_x, uint start_y);
-
-
-us_frametext_s *us_frametext_init(void) {
-	us_frametext_s *ft;
-	US_CALLOC(ft, 1);
-	ft->frame = us_frame_init();
-	return ft;
-}
-
-void us_frametext_destroy(us_frametext_s *ft) {
-	us_frame_destroy(ft->frame);
-	US_DELETE(ft->text, free);
-	free(ft);
-}
-
-/*
-Every character in the font is encoded row-wise in 8 bytes.
-The least significant bit of each byte corresponds to the first pixel in a row. 
-The character 'A' (0x41 / 65) is encoded as { 0x0C, 0x1E, 0x33, 0x33, 0x3F, 0x33, 0x33, 0x00}
-
-    0x0C => 0000 1100 => ..XX....
-    0X1E => 0001 1110 => .XXXX...
-    0x33 => 0011 0011 => XX..XX..
-    0x33 => 0011 0011 => XX..XX..
-    0x3F => 0011 1111 => xxxxxx..
-    0x33 => 0011 0011 => XX..XX..
-    0x33 => 0011 0011 => XX..XX..
-    0x00 => 0000 0000 => ........
-
-To access the nth pixel in a row, right-shift by n.
-
-                         . . X X . . . .
-                         | | | | | | | |
-    (0x0C >> 0) & 1 == 0-+ | | | | | | |
-    (0x0C >> 1) & 1 == 0---+ | | | | | |
-    (0x0C >> 2) & 1 == 1-----+ | | | | |
-    (0x0C >> 3) & 1 == 1-------+ | | | |
-    (0x0C >> 4) & 1 == 0---------+ | | |
-    (0x0C >> 5) & 1 == 0-----------+ | |
-    (0x0C >> 6) & 1 == 0-------------+ |
-    (0x0C >> 7) & 1 == 0---------------+
-*/
-
-void us_frametext_draw(us_frametext_s *ft, const char *text, uint width, uint height) {
-	assert(width > 0);
-	assert(height > 0);
-
-	us_frame_s *const frame = ft->frame;
-
-	if (
-		frame->width == width && frame->height == height
-		&& ft->text != NULL && !strcmp(ft->text, text)
-	) {
-		return;
-	}
-
-	US_DELETE(ft->text, free);
-	ft->text = us_strdup(text);
-	strcpy(ft->text, text);
-	frame->width = width;
-	frame->height = height;
-	frame->format = V4L2_PIX_FMT_RGB24;
-	frame->stride = width * 3;
-	frame->used = width * height * 3;
-	us_frame_realloc_data(frame, frame->used);
-	memset(frame->data, 0, frame->used);
-
-	if (frame->width == 0 || frame->height == 0) {
-		return;
-	}
-
-	char *str = us_strdup(text);
-	char *line;
-	char *rest;
-
-	uint block_width = 0;
-	uint block_height = 0;
-	while ((line = strtok_r((block_height == 0 ? str : NULL), "\n", &rest)) != NULL) {
-		block_width = US_MAX(strlen(line) * 8, block_width);
-		block_height += 8;
-	}
-	if (block_width == 0 || block_height == 0) {
-		goto empty;
-	}
-	uint scale_x = frame->width / block_width / 2;
-	uint scale_y = frame->height / block_height / 3;
-	if (scale_x < scale_y / 1.5) {
-		scale_y = scale_x * 1.5;
-	} else if (scale_y < scale_x * 1.5) {
-		scale_x = scale_y / 1.5;
-	}
-
-	strcpy(str, text);
-
-	const uint start_y = (frame->height >= (block_height * scale_y)
-		? ((frame->height - (block_height * scale_y)) / 2)
-		: 0);
-	uint n_line = 0;
-	while ((line = strtok_r((n_line == 0 ? str : NULL), "\n", &rest)) != NULL) {
-		const uint line_width = strlen(line) * 8 * scale_x;
-		const uint start_x = (frame->width >= line_width
-			? ((frame->width - line_width) / 2)
-			: 0);
-		_frametext_draw_line(ft, line, scale_x, scale_y, start_x, start_y + n_line * 8 * scale_y);
-		++n_line;
-	}
-
-empty:
-	free(str);
-}
-
-void _frametext_draw_line(
-	us_frametext_s *ft, const char *line,
-	uint scale_x, uint scale_y,
-	uint start_x, uint start_y) {
-
-	us_frame_s *const frame = ft->frame;
-
-	const size_t len = strlen(line);
-
-	for (uint ch_y = 0; ch_y < 8 * scale_y; ++ch_y) {
-		const uint canvas_y = start_y + ch_y;
-		for (uint ch_x = 0; ch_x < 8 * len * scale_x; ++ch_x) {
-			if ((start_x + ch_x) >= frame->width) {
-				break;
-			}
-			const uint canvas_x = (start_x + ch_x) * 3;
-			const uint offset = canvas_y * frame->stride + canvas_x;
-			if (offset >= frame->used) {
-				break;
-			}
-
-			const u8 ch = US_MIN((u8)line[ch_x / 8 / scale_x], sizeof(US_FRAMETEXT_FONT) / 8 - 1);
-			const uint ch_byte = (ch_y / scale_y) % 8;
-			const uint ch_bit = (ch_x / scale_x) % 8;
-			const bool pix_on = !!(US_FRAMETEXT_FONT[ch][ch_byte] & (1 << ch_bit));
-
-			u8 *const r = &frame->data[offset];
-			u8 *const g = r + 1;
-			u8 *const b = r + 2;
-
-			*r = pix_on * 0x65; // RGB/BGR-friendly
-			*g = pix_on * 0x65;
-			*b = pix_on * 0x65;
-		}
-	}
-}

src/libs/frametext.h

@@ -1,39 +0,0 @@
-/*****************************************************************************
-#                                                                            #
-#    uStreamer - Lightweight and fast MJPEG-HTTP streamer.                   #
-#                                                                            #
-#    Copyright (C) 2018-2024  Maxim Devaev <mdevaev@gmail.com>               #
-#                                                                            #
-#    This program is free software: you can redistribute it and/or modify    #
-#    it under the terms of the GNU General Public License as published by    #
-#    the Free Software Foundation, either version 3 of the License, or       #
-#    (at your option) any later version.                                     #
-#                                                                            #
-#    This program is distributed in the hope that it will be useful,         #
-#    but WITHOUT ANY WARRANTY; without even the implied warranty of          #
-#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the           #
-#    GNU General Public License for more details.                            #
-#                                                                            #
-#    You should have received a copy of the GNU General Public License       #
-#    along with this program.  If not, see <https://www.gnu.org/licenses/>.  #
-#                                                                            #
-*****************************************************************************/
-
-
-#pragma once
-
-
-#include "types.h"
-#include "frame.h"
-
-
-typedef struct {
-	char		*text;
-	us_frame_s	*frame;
-} us_frametext_s;
-
-
-us_frametext_s *us_frametext_init(void);
-void us_frametext_destroy(us_frametext_s *ft);
-
-void us_frametext_draw(us_frametext_s *ft, const char *text, uint width, uint height);

src/libs/frametext_font.c

@@ -1,160 +0,0 @@
-/*****************************************************************************
-#                                                                            #
-#    uStreamer - Lightweight and fast MJPEG-HTTP streamer.                   #
-#                                                                            #
-#    Copyright (C) 2018-2024  Maxim Devaev <mdevaev@gmail.com>               #
-#                                                                            #
-#    This program is free software: you can redistribute it and/or modify    #
-#    it under the terms of the GNU General Public License as published by    #
-#    the Free Software Foundation, either version 3 of the License, or       #
-#    (at your option) any later version.                                     #
-#                                                                            #
-#    This program is distributed in the hope that it will be useful,         #
-#    but WITHOUT ANY WARRANTY; without even the implied warranty of          #
-#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the           #
-#    GNU General Public License for more details.                            #
-#                                                                            #
-#    You should have received a copy of the GNU General Public License       #
-#    along with this program.  If not, see <https://www.gnu.org/licenses/>.  #
-#                                                                            #
-*****************************************************************************/
-
-
-#include "frametext_font.h"
-
-#include "types.h"
-
-
-const u8 US_FRAMETEXT_FONT[128][8] = {
-	// https://github.com/dhepper/font8x8/blob/master/font8x8_basic.h
-	// Author: Daniel Hepper <daniel@hepper.net>
-	// License: Public Domain
-	{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+0000 (nul)
-	{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+0001
-	{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+0002
-	{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+0003
-	{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+0004
-	{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+0005
-	{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+0006
-	{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+0007
-	{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+0008
-	{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+0009
-	{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+000A
-	{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+000B
-	{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+000C
-	{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+000D
-	{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+000E
-	{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+000F
-	{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+0010
-	{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+0011
-	{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+0012
-	{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+0013
-	{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+0014
-	{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+0015
-	{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+0016
-	{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+0017
-	{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+0018
-	{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+0019
-	{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+001A
-	{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+001B
-	{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+001C
-	{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+001D
-	{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+001E
-	{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+001F
-	{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+0020 (space)
-	{0x18, 0x3C, 0x3C, 0x18, 0x18, 0x00, 0x18, 0x00}, // U+0021 (!)
-	{0x36, 0x36, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+0022 (")
-	{0x36, 0x36, 0x7F, 0x36, 0x7F, 0x36, 0x36, 0x00}, // U+0023 (#)
-	{0x0C, 0x3E, 0x03, 0x1E, 0x30, 0x1F, 0x0C, 0x00}, // U+0024 ($)
-	{0x00, 0x63, 0x33, 0x18, 0x0C, 0x66, 0x63, 0x00}, // U+0025 (%)
-	{0x1C, 0x36, 0x1C, 0x6E, 0x3B, 0x33, 0x6E, 0x00}, // U+0026 (&)
-	{0x06, 0x06, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+0027 (')
-	{0x18, 0x0C, 0x06, 0x06, 0x06, 0x0C, 0x18, 0x00}, // U+0028 (()
-	{0x06, 0x0C, 0x18, 0x18, 0x18, 0x0C, 0x06, 0x00}, // U+0029 ())
-	{0x00, 0x66, 0x3C, 0xFF, 0x3C, 0x66, 0x00, 0x00}, // U+002A (*)
-	{0x00, 0x0C, 0x0C, 0x3F, 0x0C, 0x0C, 0x00, 0x00}, // U+002B (+)
-	{0x00, 0x00, 0x00, 0x00, 0x00, 0x0C, 0x0C, 0x06}, // U+002C (,)
-	{0x00, 0x00, 0x00, 0x3F, 0x00, 0x00, 0x00, 0x00}, // U+002D (-)
-	{0x00, 0x00, 0x00, 0x00, 0x00, 0x0C, 0x0C, 0x00}, // U+002E (.)
-	{0x60, 0x30, 0x18, 0x0C, 0x06, 0x03, 0x01, 0x00}, // U+002F (/)
-	{0x3E, 0x63, 0x73, 0x7B, 0x6F, 0x67, 0x3E, 0x00}, // U+0030 (0)
-	{0x0C, 0x0E, 0x0C, 0x0C, 0x0C, 0x0C, 0x3F, 0x00}, // U+0031 (1)
-	{0x1E, 0x33, 0x30, 0x1C, 0x06, 0x33, 0x3F, 0x00}, // U+0032 (2)
-	{0x1E, 0x33, 0x30, 0x1C, 0x30, 0x33, 0x1E, 0x00}, // U+0033 (3)
-	{0x38, 0x3C, 0x36, 0x33, 0x7F, 0x30, 0x78, 0x00}, // U+0034 (4)
-	{0x3F, 0x03, 0x1F, 0x30, 0x30, 0x33, 0x1E, 0x00}, // U+0035 (5)
-	{0x1C, 0x06, 0x03, 0x1F, 0x33, 0x33, 0x1E, 0x00}, // U+0036 (6)
-	{0x3F, 0x33, 0x30, 0x18, 0x0C, 0x0C, 0x0C, 0x00}, // U+0037 (7)
-	{0x1E, 0x33, 0x33, 0x1E, 0x33, 0x33, 0x1E, 0x00}, // U+0038 (8)
-	{0x1E, 0x33, 0x33, 0x3E, 0x30, 0x18, 0x0E, 0x00}, // U+0039 (9)
-	{0x00, 0x0C, 0x0C, 0x00, 0x00, 0x0C, 0x0C, 0x00}, // U+003A (:)
-	{0x00, 0x0C, 0x0C, 0x00, 0x00, 0x0C, 0x0C, 0x06}, // U+003B (;)
-	{0x18, 0x0C, 0x06, 0x03, 0x06, 0x0C, 0x18, 0x00}, // U+003C (<)
-	{0x00, 0x00, 0x3F, 0x00, 0x00, 0x3F, 0x00, 0x00}, // U+003D (=)
-	{0x06, 0x0C, 0x18, 0x30, 0x18, 0x0C, 0x06, 0x00}, // U+003E (>)
-	{0x1E, 0x33, 0x30, 0x18, 0x0C, 0x00, 0x0C, 0x00}, // U+003F (?)
-	{0x3E, 0x63, 0x7B, 0x7B, 0x7B, 0x03, 0x1E, 0x00}, // U+0040 (@)
-	{0x0C, 0x1E, 0x33, 0x33, 0x3F, 0x33, 0x33, 0x00}, // U+0041 (A)
-	{0x3F, 0x66, 0x66, 0x3E, 0x66, 0x66, 0x3F, 0x00}, // U+0042 (B)
-	{0x3C, 0x66, 0x03, 0x03, 0x03, 0x66, 0x3C, 0x00}, // U+0043 (C)
-	{0x1F, 0x36, 0x66, 0x66, 0x66, 0x36, 0x1F, 0x00}, // U+0044 (D)
-	{0x7F, 0x46, 0x16, 0x1E, 0x16, 0x46, 0x7F, 0x00}, // U+0045 (E)
-	{0x7F, 0x46, 0x16, 0x1E, 0x16, 0x06, 0x0F, 0x00}, // U+0046 (F)
-	{0x3C, 0x66, 0x03, 0x03, 0x73, 0x66, 0x7C, 0x00}, // U+0047 (G)
-	{0x33, 0x33, 0x33, 0x3F, 0x33, 0x33, 0x33, 0x00}, // U+0048 (H)
-	{0x1E, 0x0C, 0x0C, 0x0C, 0x0C, 0x0C, 0x1E, 0x00}, // U+0049 (I)
-	{0x78, 0x30, 0x30, 0x30, 0x33, 0x33, 0x1E, 0x00}, // U+004A (J)
-	{0x67, 0x66, 0x36, 0x1E, 0x36, 0x66, 0x67, 0x00}, // U+004B (K)
-	{0x0F, 0x06, 0x06, 0x06, 0x46, 0x66, 0x7F, 0x00}, // U+004C (L)
-	{0x63, 0x77, 0x7F, 0x7F, 0x6B, 0x63, 0x63, 0x00}, // U+004D (M)
-	{0x63, 0x67, 0x6F, 0x7B, 0x73, 0x63, 0x63, 0x00}, // U+004E (N)
-	{0x1C, 0x36, 0x63, 0x63, 0x63, 0x36, 0x1C, 0x00}, // U+004F (O)
-	{0x3F, 0x66, 0x66, 0x3E, 0x06, 0x06, 0x0F, 0x00}, // U+0050 (P)
-	{0x1E, 0x33, 0x33, 0x33, 0x3B, 0x1E, 0x38, 0x00}, // U+0051 (Q)
-	{0x3F, 0x66, 0x66, 0x3E, 0x36, 0x66, 0x67, 0x00}, // U+0052 (R)
-	{0x1E, 0x33, 0x07, 0x0E, 0x38, 0x33, 0x1E, 0x00}, // U+0053 (S)
-	{0x3F, 0x2D, 0x0C, 0x0C, 0x0C, 0x0C, 0x1E, 0x00}, // U+0054 (T)
-	{0x33, 0x33, 0x33, 0x33, 0x33, 0x33, 0x3F, 0x00}, // U+0055 (U)
-	{0x33, 0x33, 0x33, 0x33, 0x33, 0x1E, 0x0C, 0x00}, // U+0056 (V)
-	{0x63, 0x63, 0x63, 0x6B, 0x7F, 0x77, 0x63, 0x00}, // U+0057 (W)
-	{0x63, 0x63, 0x36, 0x1C, 0x1C, 0x36, 0x63, 0x00}, // U+0058 (X)
-	{0x33, 0x33, 0x33, 0x1E, 0x0C, 0x0C, 0x1E, 0x00}, // U+0059 (Y)
-	{0x7F, 0x63, 0x31, 0x18, 0x4C, 0x66, 0x7F, 0x00}, // U+005A (Z)
-	{0x1E, 0x06, 0x06, 0x06, 0x06, 0x06, 0x1E, 0x00}, // U+005B ([)
-	{0x03, 0x06, 0x0C, 0x18, 0x30, 0x60, 0x40, 0x00}, // U+005C (\)
-	{0x1E, 0x18, 0x18, 0x18, 0x18, 0x18, 0x1E, 0x00}, // U+005D (])
-	{0x08, 0x1C, 0x36, 0x63, 0x00, 0x00, 0x00, 0x00}, // U+005E (^)
-	{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFF}, // U+005F (_)
-	{0x0C, 0x0C, 0x18, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+0060 (`)
-	{0x00, 0x00, 0x1E, 0x30, 0x3E, 0x33, 0x6E, 0x00}, // U+0061 (a)
-	{0x07, 0x06, 0x06, 0x3E, 0x66, 0x66, 0x3B, 0x00}, // U+0062 (b)
-	{0x00, 0x00, 0x1E, 0x33, 0x03, 0x33, 0x1E, 0x00}, // U+0063 (c)
-	{0x38, 0x30, 0x30, 0x3e, 0x33, 0x33, 0x6E, 0x00}, // U+0064 (d)
-	{0x00, 0x00, 0x1E, 0x33, 0x3f, 0x03, 0x1E, 0x00}, // U+0065 (e)
-	{0x1C, 0x36, 0x06, 0x0f, 0x06, 0x06, 0x0F, 0x00}, // U+0066 (f)
-	{0x00, 0x00, 0x6E, 0x33, 0x33, 0x3E, 0x30, 0x1F}, // U+0067 (g)
-	{0x07, 0x06, 0x36, 0x6E, 0x66, 0x66, 0x67, 0x00}, // U+0068 (h)
-	{0x0C, 0x00, 0x0E, 0x0C, 0x0C, 0x0C, 0x1E, 0x00}, // U+0069 (i)
-	{0x30, 0x00, 0x30, 0x30, 0x30, 0x33, 0x33, 0x1E}, // U+006A (j)
-	{0x07, 0x06, 0x66, 0x36, 0x1E, 0x36, 0x67, 0x00}, // U+006B (k)
-	{0x0E, 0x0C, 0x0C, 0x0C, 0x0C, 0x0C, 0x1E, 0x00}, // U+006C (l)
-	{0x00, 0x00, 0x33, 0x7F, 0x7F, 0x6B, 0x63, 0x00}, // U+006D (m)
-	{0x00, 0x00, 0x1F, 0x33, 0x33, 0x33, 0x33, 0x00}, // U+006E (n)
-	{0x00, 0x00, 0x1E, 0x33, 0x33, 0x33, 0x1E, 0x00}, // U+006F (o)
-	{0x00, 0x00, 0x3B, 0x66, 0x66, 0x3E, 0x06, 0x0F}, // U+0070 (p)
-	{0x00, 0x00, 0x6E, 0x33, 0x33, 0x3E, 0x30, 0x78}, // U+0071 (q)
-	{0x00, 0x00, 0x3B, 0x6E, 0x66, 0x06, 0x0F, 0x00}, // U+0072 (r)
-	{0x00, 0x00, 0x3E, 0x03, 0x1E, 0x30, 0x1F, 0x00}, // U+0073 (s)
-	{0x08, 0x0C, 0x3E, 0x0C, 0x0C, 0x2C, 0x18, 0x00}, // U+0074 (t)
-	{0x00, 0x00, 0x33, 0x33, 0x33, 0x33, 0x6E, 0x00}, // U+0075 (u)
-	{0x00, 0x00, 0x33, 0x33, 0x33, 0x1E, 0x0C, 0x00}, // U+0076 (v)
-	{0x00, 0x00, 0x63, 0x6B, 0x7F, 0x7F, 0x36, 0x00}, // U+0077 (w)
-	{0x00, 0x00, 0x63, 0x36, 0x1C, 0x36, 0x63, 0x00}, // U+0078 (x)
-	{0x00, 0x00, 0x33, 0x33, 0x33, 0x3E, 0x30, 0x1F}, // U+0079 (y)
-	{0x00, 0x00, 0x3F, 0x19, 0x0C, 0x26, 0x3F, 0x00}, // U+007A (z)
-	{0x38, 0x0C, 0x0C, 0x07, 0x0C, 0x0C, 0x38, 0x00}, // U+007B ({)
-	{0x18, 0x18, 0x18, 0x00, 0x18, 0x18, 0x18, 0x00}, // U+007C (|)
-	{0x07, 0x0C, 0x0C, 0x38, 0x0C, 0x0C, 0x07, 0x00}, // U+007D (})
-	{0x6E, 0x3B, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+007E (~)
-	{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, // U+007F
-};

src/libs/frametext_font.h

@@ -1,28 +0,0 @@
-/*****************************************************************************
-#                                                                            #
-#    uStreamer - Lightweight and fast MJPEG-HTTP streamer.                   #
-#                                                                            #
-#    Copyright (C) 2018-2024  Maxim Devaev <mdevaev@gmail.com>               #
-#                                                                            #
-#    This program is free software: you can redistribute it and/or modify    #
-#    it under the terms of the GNU General Public License as published by    #
-#    the Free Software Foundation, either version 3 of the License, or       #
-#    (at your option) any later version.                                     #
-#                                                                            #
-#    This program is distributed in the hope that it will be useful,         #
-#    but WITHOUT ANY WARRANTY; without even the implied warranty of          #
-#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the           #
-#    GNU General Public License for more details.                            #
-#                                                                            #
-#    You should have received a copy of the GNU General Public License       #
-#    along with this program.  If not, see <https://www.gnu.org/licenses/>.  #
-#                                                                            #
-*****************************************************************************/
-
-
-#pragma once
-
-#include "types.h"
-
-
-extern const u8 US_FRAMETEXT_FONT[128][8];

src/libs/list.h

@@ -2,7 +2,7 @@
 #                                                                            #
 #    uStreamer - Lightweight and fast MJPEG-HTTP streamer.                   #
 #                                                                            #
-#    Copyright (C) 2018-2024  Maxim Devaev <mdevaev@gmail.com>               #
+#    Copyright (C) 2018-2023  Maxim Devaev <mdevaev@gmail.com>               #
 #                                                                            #
 #    This program is free software: you can redistribute it and/or modify    #
 #    it under the terms of the GNU General Public License as published by    #
@@ -25,9 +25,9 @@
 #include <assert.h>
 
 
-#define US_LIST_DECLARE \
-	void *prev; \
-	void *next;
+#define US_LIST_STRUCT(...) \
+	__VA_ARGS__ *prev; \
+	__VA_ARGS__ *next;
 
 #define US_LIST_ITERATE(x_first, x_item, ...) { \
 		for (__typeof__(x_first) x_item = x_first; x_item;) { \
@@ -42,11 +42,10 @@
 			x_first = x_item; \
 		} else { \
 			__typeof__(x_first) m_last = x_first; \
-			for (; m_last->next != NULL; m_last = m_last->next); \
+			for (; m_last->next; m_last = m_last->next); \
 			x_item->prev = m_last; \
 			m_last->next = x_item; \
 		} \
-		x_item->next = NULL; \
 	}
 
 #define US_LIST_APPEND_C(x_first, x_item, x_count) { \
@@ -58,15 +57,11 @@
 		if (x_item->prev == NULL) { \
 			x_first = x_item->next; \
 		} else { \
-			__typeof__(x_first) m_prev = x_item->prev; \
-			m_prev->next = x_item->next; \
+			x_item->prev->next = x_item->next; \
 		} \
 		if (x_item->next != NULL) { \
-			__typeof__(x_first) m_next = x_item->next; \
-			m_next->prev = x_item->prev; \
+			x_item->next->prev = x_item->prev; \
 		} \
-		x_item->prev = NULL; \
-		x_item->next = NULL; \
 	}
 
 #define US_LIST_REMOVE_C(x_first, x_item, x_count) { \

src/libs/logging.c

@@ -2,7 +2,7 @@
 #                                                                            #
 #    uStreamer - Lightweight and fast MJPEG-HTTP streamer.                   #
 #                                                                            #
-#    Copyright (C) 2018-2024  Maxim Devaev <mdevaev@gmail.com>               #
+#    Copyright (C) 2018-2023  Maxim Devaev <mdevaev@gmail.com>               #
 #                                                                            #
 #    This program is free software: you can redistribute it and/or modify    #
 #    it under the terms of the GNU General Public License as published by    #
@@ -22,10 +22,6 @@
 
 #include "logging.h"
 
-#include <stdbool.h>
-
-#include <pthread.h>
-
 
 enum us_log_level_t us_g_log_level;
 

src/libs/logging.h

@@ -2,7 +2,7 @@
 #                                                                            #
 #    uStreamer - Lightweight and fast MJPEG-HTTP streamer.                   #
 #                                                                            #
-#    Copyright (C) 2018-2024  Maxim Devaev <mdevaev@gmail.com>               #
+#    Copyright (C) 2018-2023  Maxim Devaev <mdevaev@gmail.com>               #
 #                                                                            #
 #    This program is free software: you can redistribute it and/or modify    #
 #    it under the terms of the GNU General Public License as published by    #
@@ -23,6 +23,7 @@
 #pragma once
 
 #include <stdio.h>
+#include <stdbool.h>
 #include <stdlib.h>
 #include <string.h>
 #include <unistd.h>
@@ -32,7 +33,6 @@
 
 #include <pthread.h>
 
-#include "types.h"
 #include "tools.h"
 #include "threading.h"
 
@@ -91,7 +91,7 @@ extern pthread_mutex_t us_g_log_mutex;
 
 
 #define US_LOG_PRINTF_NOLOCK(x_label_color, x_label, x_msg_color, x_msg, ...) { \
-		char m_tname_buf[US_THREAD_NAME_SIZE] = {0}; \
+		char m_tname_buf[US_MAX_THREAD_NAME] = {0}; \
 		us_thread_get_name(m_tname_buf); \
 		if (us_g_log_colored) { \
 			fprintf(stderr, US_COLOR_GRAY "-- " x_label_color x_label US_COLOR_GRAY \

src/libs/memsink.c

@@ -2,7 +2,7 @@
 #                                                                            #
 #    uStreamer - Lightweight and fast MJPEG-HTTP streamer.                   #
 #                                                                            #
-#    Copyright (C) 2018-2024  Maxim Devaev <mdevaev@gmail.com>               #
+#    Copyright (C) 2018-2023  Maxim Devaev <mdevaev@gmail.com>               #
 #                                                                            #
 #    This program is free software: you can redistribute it and/or modify    #
 #    it under the terms of the GNU General Public License as published by    #
@@ -22,27 +22,10 @@
 
 #include "memsink.h"
 
-#include <stdatomic.h>
-#include <string.h>
-#include <fcntl.h>
-#include <errno.h>
-#include <assert.h>
 
-#include <sys/file.h>
-#include <sys/stat.h>
-#include <sys/mman.h>
-
-#include "types.h"
-#include "errors.h"
-#include "tools.h"
-#include "logging.h"
-#include "frame.h"
-#include "memsinksh.h"
-
-
-us_memsink_s *us_memsink_init_opened(
+us_memsink_s *us_memsink_init(
 	const char *name, const char *obj, bool server,
-	mode_t mode, bool rm, uint client_ttl, uint timeout) {
+	mode_t mode, bool rm, unsigned client_ttl, unsigned timeout) {
 
 	us_memsink_s *sink;
 	US_CALLOC(sink, 1);
@@ -57,11 +40,6 @@ us_memsink_s *us_memsink_init_opened(
 
 	US_LOG_INFO("Using %s-sink: %s", name, obj);
 
-	if ((sink->data_size = us_memsink_calculate_size(obj)) == 0) {
-		US_LOG_ERROR("%s-sink: Invalid object suffix", name);
-		goto error;
-	}
-
 	const mode_t mask = umask(0);
 	sink->fd = shm_open(sink->obj, (server ? O_RDWR | O_CREAT : O_RDWR), mode);
 	umask(mask);
@@ -71,25 +49,26 @@ us_memsink_s *us_memsink_init_opened(
 		goto error;
 	}
 
-	if (sink->server && ftruncate(sink->fd, sizeof(us_memsink_shared_s) + sink->data_size) < 0) {
+	if (sink->server && ftruncate(sink->fd, sizeof(us_memsink_shared_s)) < 0) {
 		US_LOG_PERROR("%s-sink: Can't truncate shared memory", name);
 		goto error;
 	}
 
-	if ((sink->mem = us_memsink_shared_map(sink->fd, sink->data_size)) == NULL) {
+	if ((sink->mem = us_memsink_shared_map(sink->fd)) == NULL) {
 		US_LOG_PERROR("%s-sink: Can't mmap shared memory", name);
 		goto error;
 	}
+
 	return sink;
 
-error:
-	us_memsink_destroy(sink);
-	return NULL;
+	error:
+		us_memsink_destroy(sink);
+		return NULL;
 }
 
 void us_memsink_destroy(us_memsink_s *sink) {
 	if (sink->mem != NULL) {
-		if (us_memsink_shared_unmap(sink->mem, sink->data_size) < 0) {
+		if (us_memsink_shared_unmap(sink->mem) < 0) {
 			US_LOG_PERROR("%s-sink: Can't unmap shared memory", sink->name);
 		}
 	}
@@ -107,35 +86,16 @@ void us_memsink_destroy(us_memsink_s *sink) {
 }
 
 bool us_memsink_server_check(us_memsink_s *sink, const us_frame_s *frame) {
-	// Если frame == NULL, то только проверяем наличие клиентов
-	// или необходимость инициализировать память.
+	// Return true (the need to write to memsink) on any of these conditions:
+	//   - EWOULDBLOCK - we have an active client;
+	//   - Incorrect magic or version - need to first write;
+	//   - We have some active clients by last_client_ts;
+	//   - Frame meta differs (like size, format, but not timestamp).
 
 	assert(sink->server);
 
-	if (sink->mem->magic != US_MEMSINK_MAGIC || sink->mem->version != US_MEMSINK_VERSION) {
-		// Если регион памяти не был инициализирован, то нужно что-то туда положить.
-		// Блокировка не нужна, потому что только сервер пишет в эти переменные.
-		return true;
-	}
-
-	const ldf unsafe_ts = sink->mem->last_client_ts;
-	if (unsafe_ts != sink->unsafe_last_client_ts) {
-		// Клиент пишет в синке свою отметку last_client_ts при любом действии.
-		// Мы не берем блокировку здесь, а просто проверяем, является ли это число тем же самым,
-		// что было прочитано нами в предыдущих итерациях. Значению не нужно быть консистентным,
-		// и даже если мы прочитали мусор из-за гонки в памяти между чтением здеси и записью
-		// из клиента, мы все равно можем сделать вывод, есть ли у нас клиенты вообще.
-		// Если число число поменялось то у нас точно есть клиенты и дальнейшие проверки
-		// проводить не требуется. Если же число неизменно, то стоит поставить блокировку
-		// и проверить, нужно ли записать что-нибудь в память для инициализации фрейма.
-		sink->unsafe_last_client_ts = unsafe_ts;
-		atomic_store(&sink->has_clients, true);
-		return true;
-	}
-
 	if (flock(sink->fd, LOCK_EX | LOCK_NB) < 0) {
 		if (errno == EWOULDBLOCK) {
-			// Есть живой клиент, который прямо сейчас взял блокировку и читает фрейм из синка
 			atomic_store(&sink->has_clients, true);
 			return true;
 		}
@@ -143,7 +103,10 @@ bool us_memsink_server_check(us_memsink_s *sink, const us_frame_s *frame) {
 		return false;
 	}
 
-	// Проверяем, есть ли у нас живой клиент по таймауту
+	if (sink->mem->magic != US_MEMSINK_MAGIC || sink->mem->version != US_MEMSINK_VERSION) {
+		return true;
+	}
+
 	const bool has_clients = (sink->mem->last_client_ts + sink->client_ttl > us_get_now_monotonic());
 	atomic_store(&sink->has_clients, has_clients);
 
@@ -151,39 +114,31 @@ bool us_memsink_server_check(us_memsink_s *sink, const us_frame_s *frame) {
 		US_LOG_PERROR("%s-sink: Can't unlock memory", sink->name);
 		return false;
 	}
-	if (has_clients) {
-		return true;
-	}
-	if (frame != NULL && !US_FRAME_COMPARE_GEOMETRY(sink->mem, frame)) {
-		// Если есть изменения в геометрии/формате фрейма, то их тоже нобходимо сразу записать в синк
-		return true;
-	}
-	return false;
+	return (has_clients || !US_FRAME_COMPARE_META_USED_NOTS(sink->mem, frame));;
 }
 
-int us_memsink_server_put(us_memsink_s *sink, const us_frame_s *frame, bool *key_requested) {
+int us_memsink_server_put(us_memsink_s *sink, const us_frame_s *frame, bool *const key_requested) {
 	assert(sink->server);
 
-	const ldf now = us_get_now_monotonic();
+	const long double now = us_get_now_monotonic();
 
-	if (frame->used > sink->data_size) {
+	if (frame->used > US_MEMSINK_MAX_DATA) {
 		US_LOG_ERROR("%s-sink: Can't put frame: is too big (%zu > %zu)",
-			sink->name, frame->used, sink->data_size);
-		return 0;
+			sink->name, frame->used, US_MEMSINK_MAX_DATA);
+		return 0; // -2
 	}
 
 	if (us_flock_timedwait_monotonic(sink->fd, 1) == 0) {
 		US_LOG_VERBOSE("%s-sink: >>>>> Exposing new frame ...", sink->name);
 
-		sink->mem->id = us_get_now_id();
+		sink->last_id = us_get_now_id();
+		sink->mem->id = sink->last_id;
 		if (sink->mem->key_requested && frame->key) {
 			sink->mem->key_requested = false;
 		}
-		if (key_requested != NULL) { // We don't need it for non-H264 sinks
-			*key_requested = sink->mem->key_requested;
-		}
+		*key_requested = sink->mem->key_requested;
 
-		memcpy(us_memsink_get_data(sink->mem), frame->data, frame->used);
+		memcpy(sink->mem->data, frame->data, frame->used);
 		sink->mem->used = frame->used;
 		US_FRAME_COPY_META(frame, sink->mem);
 
@@ -209,52 +164,42 @@ int us_memsink_server_put(us_memsink_s *sink, const us_frame_s *frame, bool *key
 	return 0;
 }
 
-int us_memsink_client_get(us_memsink_s *sink, us_frame_s *frame, bool *key_requested, bool key_required) {
+int us_memsink_client_get(us_memsink_s *sink, us_frame_s *frame, bool *const key_requested, bool key_required) { // cppcheck-suppress unusedFunction
 	assert(!sink->server); // Client only
 
 	if (us_flock_timedwait_monotonic(sink->fd, sink->timeout) < 0) {
 		if (errno == EWOULDBLOCK) {
-			return US_ERROR_NO_DATA;
+			return -2;
 		}
 		US_LOG_PERROR("%s-sink: Can't lock memory", sink->name);
 		return -1;
 	}
 
-	int retval = 0;
-
-	if (sink->mem->magic != US_MEMSINK_MAGIC) {
-		retval = US_ERROR_NO_DATA; // Not updated
-		goto done;
-	}
-	if (sink->mem->version != US_MEMSINK_VERSION) {
-		US_LOG_ERROR("%s-sink: Protocol version mismatch: sink=%u, required=%u",
-			sink->name, sink->mem->version, US_MEMSINK_VERSION);
-		retval = -1;
-		goto done;
+	int retval = -2; // Not updated
+	if (sink->mem->magic == US_MEMSINK_MAGIC) {
+		if (sink->mem->version != US_MEMSINK_VERSION) {
+			US_LOG_ERROR("%s-sink: Protocol version mismatch: sink=%u, required=%u",
+				sink->name, sink->mem->version, US_MEMSINK_VERSION);
+			retval = -1;
+			goto done;
+		}
+		if (sink->mem->id != sink->last_id) { // When updated
+			sink->last_id = sink->mem->id;
+			us_frame_set_data(frame, sink->mem->data, sink->mem->used);
+			US_FRAME_COPY_META(sink->mem, frame);
+			*key_requested = sink->mem->key_requested;
+			retval = 0;
+		}
+		sink->mem->last_client_ts = us_get_now_monotonic();
+		if (key_required) {
+			sink->mem->key_requested = true;
+		}
 	}
 
-	// Let the sink know that the client is alive
-	sink->mem->last_client_ts = us_get_now_monotonic();
-
-	if (sink->mem->id == sink->last_readed_id) {
-		retval = US_ERROR_NO_DATA; // Not updated
-		goto done;
-	}
-
-	sink->last_readed_id = sink->mem->id;
-	us_frame_set_data(frame, us_memsink_get_data(sink->mem), sink->mem->used);
-	US_FRAME_COPY_META(sink->mem, frame);
-	if (key_requested != NULL) { // We don't need it for non-H264 sinks
-		*key_requested = sink->mem->key_requested;
-	}
-	if (key_required) {
-		sink->mem->key_requested = true;
-	}
-
-done:
-	if (flock(sink->fd, LOCK_UN) < 0) {
-		US_LOG_PERROR("%s-sink: Can't unlock memory", sink->name);
-		retval = -1;
-	}
-	return retval;
+	done:
+		if (flock(sink->fd, LOCK_UN) < 0) {
+			US_LOG_PERROR("%s-sink: Can't unlock memory", sink->name);
+			return -1;
+		}
+		return retval;
 }

src/libs/memsink.h

@@ -2,7 +2,7 @@
 #                                                                            #
 #    uStreamer - Lightweight and fast MJPEG-HTTP streamer.                   #
 #                                                                            #
-#    Copyright (C) 2018-2024  Maxim Devaev <mdevaev@gmail.com>               #
+#    Copyright (C) 2018-2023  Maxim Devaev <mdevaev@gmail.com>               #
 #                                                                            #
 #    This program is free software: you can redistribute it and/or modify    #
 #    it under the terms of the GNU General Public License as published by    #
@@ -22,41 +22,47 @@
 
 #pragma once
 
+#include <stdint.h>
+#include <stdbool.h>
 #include <stdatomic.h>
+#include <string.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <assert.h>
 
+#include <sys/types.h>
+#include <sys/file.h>
 #include <sys/stat.h>
+#include <sys/mman.h>
 
-#include "types.h"
+#include "tools.h"
+#include "logging.h"
 #include "frame.h"
 #include "memsinksh.h"
 
 
 typedef struct {
-	const char	*name;
-	const char	*obj;
-	uz			data_size;
-	bool		server;
-	bool		rm;
-	uint		client_ttl; // Only for server
-	uint		timeout;
+	const char			*name;
+	const char			*obj;
+	bool				server;
+	bool				rm;
+	unsigned			client_ttl; // Only for server
+	unsigned			timeout;
 
 	int					fd;
 	us_memsink_shared_s	*mem;
-
-	u64			last_readed_id; // Only for client
-
-	atomic_bool	has_clients; // Only for server results
-	ldf			unsafe_last_client_ts; // Only for server
+	uint64_t			last_id;
+	atomic_bool			has_clients; // Only for server
 } us_memsink_s;
 
 
-us_memsink_s *us_memsink_init_opened(
+us_memsink_s *us_memsink_init(
 	const char *name, const char *obj, bool server,
-	mode_t mode, bool rm, uint client_ttl, uint timeout);
+	mode_t mode, bool rm, unsigned client_ttl, unsigned timeout);
 
 void us_memsink_destroy(us_memsink_s *sink);
 
 bool us_memsink_server_check(us_memsink_s *sink, const us_frame_s *frame);
-int us_memsink_server_put(us_memsink_s *sink, const us_frame_s *frame, bool *key_requested);
+int us_memsink_server_put(us_memsink_s *sink, const us_frame_s *frame, bool *const key_requested);
 
-int us_memsink_client_get(us_memsink_s *sink, us_frame_s *frame, bool *key_requested, bool key_required);
+int us_memsink_client_get(us_memsink_s *sink, us_frame_s *frame, bool *const key_requested, bool key_required);

src/libs/memsinksh.h

@@ -2,7 +2,7 @@
 #                                                                            #
 #    uStreamer - Lightweight and fast MJPEG-HTTP streamer.                   #
 #                                                                            #
-#    Copyright (C) 2018-2024  Maxim Devaev <mdevaev@gmail.com>               #
+#    Copyright (C) 2018-2023  Maxim Devaev <mdevaev@gmail.com>               #
 #                                                                            #
 #    This program is free software: you can redistribute it and/or modify    #
 #    it under the terms of the GNU General Public License as published by    #
@@ -22,29 +22,65 @@
 
 #pragma once
 
-#include "types.h"
-#include "frame.h"
+#include <stdint.h>
+#include <stdbool.h>
+
+#include <sys/types.h>
+#include <sys/mman.h>
 
 
-#define US_MEMSINK_MAGIC	((u64)0xCAFEBABECAFEBABE)
-#define US_MEMSINK_VERSION	((u32)7)
+#define US_MEMSINK_MAGIC	((uint64_t)0xCAFEBABECAFEBABE)
+#define US_MEMSINK_VERSION	((uint32_t)4)
+
+#ifndef US_CFG_MEMSINK_MAX_DATA
+#	define US_CFG_MEMSINK_MAX_DATA 33554432
+#endif
+#define US_MEMSINK_MAX_DATA ((size_t)(US_CFG_MEMSINK_MAX_DATA))
 
 
 typedef struct {
-	u64		magic;
-	u32		version;
-	u64		id;
-	uz		used;
+	uint64_t	magic;
+	uint32_t	version;
 
-	ldf		last_client_ts;
-	bool	key_requested;
+	uint64_t	id;
 
-	US_FRAME_META_DECLARE;
+	size_t		used;
+	unsigned	width;
+	unsigned	height;
+	unsigned	format;
+	unsigned	stride;
+	bool		online;
+	bool		key;
+	unsigned	gop;
+
+	long double	grab_ts;
+	long double	encode_begin_ts;
+	long double	encode_end_ts;
+
+	long double	last_client_ts;
+	bool		key_requested;
+
+	uint8_t		data[US_MEMSINK_MAX_DATA];
 } us_memsink_shared_s;
 
 
-us_memsink_shared_s *us_memsink_shared_map(int fd, uz data_size);
-int us_memsink_shared_unmap(us_memsink_shared_s *mem, uz data_size);
+INLINE us_memsink_shared_s *us_memsink_shared_map(int fd) {
+	us_memsink_shared_s *mem = mmap(
+		NULL,
+		sizeof(us_memsink_shared_s),
+		PROT_READ | PROT_WRITE,
+		MAP_SHARED,
+		fd,
+		0
+	);
+	if (mem == MAP_FAILED) {
+		return NULL;
+	}
+	assert(mem != NULL);
+	return mem;
+}
 
-uz us_memsink_calculate_size(const char *obj);
-u8 *us_memsink_get_data(us_memsink_shared_s *mem);
+INLINE int us_memsink_shared_unmap(us_memsink_shared_s *mem) {
+	assert(mem != NULL);
+	return munmap(mem, sizeof(us_memsink_shared_s));
+}

src/libs/options.c

@@ -2,7 +2,7 @@
 #                                                                            #
 #    uStreamer - Lightweight and fast MJPEG-HTTP streamer.                   #
 #                                                                            #
-#    Copyright (C) 2018-2024  Maxim Devaev <mdevaev@gmail.com>               #
+#    Copyright (C) 2018-2023  Maxim Devaev <mdevaev@gmail.com>               #
 #                                                                            #
 #    This program is free software: you can redistribute it and/or modify    #
 #    it under the terms of the GNU General Public License as published by    #
@@ -22,17 +22,10 @@
 
 #include "options.h"
 
-#include <string.h>
-#include <ctype.h>
-#include <getopt.h>
-#include <assert.h>
 
-#include "types.h"
-
-
-void us_build_short_options(const struct option opts[], char *short_opts, uz size) {
+void us_build_short_options(const struct option opts[], char *short_opts, size_t size) {
 	memset(short_opts, 0, size);
-    for (uint short_index = 0, opt_index = 0; opts[opt_index].name != NULL; ++opt_index) {
+    for (unsigned short_index = 0, opt_index = 0; opts[opt_index].name != NULL; ++opt_index) {
 		assert(short_index < size - 3);
         if (isalpha(opts[opt_index].val)) {
             short_opts[short_index] = opts[opt_index].val;

src/libs/options.h

@@ -2,7 +2,7 @@
 #                                                                            #
 #    uStreamer - Lightweight and fast MJPEG-HTTP streamer.                   #
 #                                                                            #
-#    Copyright (C) 2018-2024  Maxim Devaev <mdevaev@gmail.com>               #
+#    Copyright (C) 2018-2023  Maxim Devaev <mdevaev@gmail.com>               #
 #                                                                            #
 #    This program is free software: you can redistribute it and/or modify    #
 #    it under the terms of the GNU General Public License as published by    #
@@ -22,9 +22,12 @@
 
 #pragma once
 
+#include <string.h>
+#include <ctype.h>
 #include <getopt.h>
+#include <assert.h>
 
-#include "types.h"
+#include <sys/types.h>
 
 
-void us_build_short_options(const struct option opts[], char *short_opts, uz size);
+void us_build_short_options(const struct option opts[], char *short_opts, size_t size);

src/libs/process.h

@@ -2,7 +2,7 @@
 #                                                                            #
 #    uStreamer - Lightweight and fast MJPEG-HTTP streamer.                   #
 #                                                                            #
-#    Copyright (C) 2018-2024  Maxim Devaev <mdevaev@gmail.com>               #
+#    Copyright (C) 2018-2023  Maxim Devaev <mdevaev@gmail.com>               #
 #                                                                            #
 #    This program is free software: you can redistribute it and/or modify    #
 #    it under the terms of the GNU General Public License as published by    #
@@ -25,6 +25,8 @@
 #include <signal.h>
 #include <unistd.h>
 
+#include <sys/types.h>
+
 
 #if defined(__linux__)
 #	define HAS_PDEATHSIG
@@ -56,7 +58,6 @@
 #		include <sys/procctl.h>
 #	endif
 #endif
-#include "types.h"
 #ifdef WITH_SETPROCTITLE
 #	include "tools.h"
 #endif
@@ -101,14 +102,14 @@ INLINE void us_process_set_name_prefix(int argc, char *argv[], const char *prefi
 #	pragma GCC diagnostic pop
 
 	char *cmdline = NULL;
-	uz allocated = 2048;
-	uz used = 0;
+	size_t allocated = 2048;
+	size_t used = 0;
 
 	US_REALLOC(cmdline, allocated);
 	cmdline[0] = '\0';
 
 	for (int index = 0; index < argc; ++index) {
-		uz arg_len = strlen(argv[index]);
+		size_t arg_len = strlen(argv[index]);
 		if (used + arg_len + 16 >= allocated) {
 			allocated += arg_len + 2048;
 			US_REALLOC(cmdline, allocated); // cppcheck-suppress memleakOnRealloc // False-positive (ok with assert)

src/libs/ring.c

@@ -1,86 +0,0 @@
-/*****************************************************************************
-#                                                                            #
-#    uStreamer - Lightweight and fast MJPEG-HTTP streamer.                   #
-#                                                                            #
-#    Copyright (C) 2018-2024  Maxim Devaev <mdevaev@gmail.com>               #
-#                                                                            #
-#    This program is free software: you can redistribute it and/or modify    #
-#    it under the terms of the GNU General Public License as published by    #
-#    the Free Software Foundation, either version 3 of the License, or       #
-#    (at your option) any later version.                                     #
-#                                                                            #
-#    This program is distributed in the hope that it will be useful,         #
-#    but WITHOUT ANY WARRANTY; without even the implied warranty of          #
-#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the           #
-#    GNU General Public License for more details.                            #
-#                                                                            #
-#    You should have received a copy of the GNU General Public License       #
-#    along with this program.  If not, see <https://www.gnu.org/licenses/>.  #
-#                                                                            #
-*****************************************************************************/
-
-
-#include <assert.h>
-
-#include "ring.h"
-
-#include "types.h"
-#include "tools.h"
-#include "queue.h"
-
-
-int _acquire(us_ring_s *ring, us_queue_s *queue, ldf timeout);
-void _release(us_ring_s *ring, us_queue_s *queue, uint index);
-
-
-us_ring_s *us_ring_init(uint capacity) {
-	us_ring_s *ring;
-	US_CALLOC(ring, 1);
-	US_CALLOC(ring->items, capacity);
-	US_CALLOC(ring->places, capacity);
-	ring->capacity = capacity;
-	ring->producer = us_queue_init(capacity);
-	ring->consumer = us_queue_init(capacity);
-	for (uint index = 0; index < capacity; ++index) {
-		ring->places[index] = index; // XXX: Just to avoid casting between pointer and uint
-		assert(!us_queue_put(ring->producer, (void*)(ring->places + index), 0));
-	}
-	return ring;
-}
-
-void us_ring_destroy(us_ring_s *ring) {
-	us_queue_destroy(ring->consumer);
-	us_queue_destroy(ring->producer);
-	free(ring->places);
-	free(ring->items);
-	free(ring);
-}
-
-int us_ring_producer_acquire(us_ring_s *ring, ldf timeout) {
-	return _acquire(ring, ring->producer, timeout);
-}
-
-void us_ring_producer_release(us_ring_s *ring, uint index) {
-	_release(ring, ring->consumer, index);
-}
-
-int us_ring_consumer_acquire(us_ring_s *ring, ldf timeout) {
-	return _acquire(ring, ring->consumer, timeout);
-}
-
-void us_ring_consumer_release(us_ring_s *ring, uint index) {
-	_release(ring, ring->producer, index);
-}
-
-int _acquire(us_ring_s *ring, us_queue_s *queue, ldf timeout) {
-	(void)ring;
-	uint *place;
-	if (us_queue_get(queue, (void**)&place, timeout) < 0) {
-		return -1;
-	}
-	return *place;
-}
-
-void _release(us_ring_s *ring, us_queue_s *queue, uint index) {
-	assert(!us_queue_put(queue, (void*)(ring->places + index), 0));
-}

src/libs/ring.h

@@ -1,63 +0,0 @@
-/*****************************************************************************
-#                                                                            #
-#    uStreamer - Lightweight and fast MJPEG-HTTP streamer.                   #
-#                                                                            #
-#    Copyright (C) 2018-2024  Maxim Devaev <mdevaev@gmail.com>               #
-#                                                                            #
-#    This program is free software: you can redistribute it and/or modify    #
-#    it under the terms of the GNU General Public License as published by    #
-#    the Free Software Foundation, either version 3 of the License, or       #
-#    (at your option) any later version.                                     #
-#                                                                            #
-#    This program is distributed in the hope that it will be useful,         #
-#    but WITHOUT ANY WARRANTY; without even the implied warranty of          #
-#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the           #
-#    GNU General Public License for more details.                            #
-#                                                                            #
-#    You should have received a copy of the GNU General Public License       #
-#    along with this program.  If not, see <https://www.gnu.org/licenses/>.  #
-#                                                                            #
-*****************************************************************************/
-
-
-#pragma once
-
-
-#include "types.h"
-#include "queue.h"
-
-
-typedef struct {
-	uz			capacity;
-	void		**items;
-	uint		*places;
-	us_queue_s	*producer;
-	us_queue_s	*consumer;
-} us_ring_s;
-
-
-#define US_RING_INIT_WITH_ITEMS(x_ring, x_capacity, x_init_item) { \
-		(x_ring) = us_ring_init(x_capacity); \
-		for (uz m_index = 0; m_index < (x_ring)->capacity; ++m_index) { \
-			(x_ring)->items[m_index] = x_init_item(); \
-		} \
-	}
-
-#define US_RING_DELETE_WITH_ITEMS(x_ring, x_destroy_item) { \
-		if (x_ring) { \
-			for (uz m_index = 0; m_index < (x_ring)->capacity; ++m_index) { \
-				x_destroy_item((x_ring)->items[m_index]); \
-			} \
-			us_ring_destroy(x_ring); \
-		} \
-	}
-
-
-us_ring_s *us_ring_init(uint capacity);
-void us_ring_destroy(us_ring_s *ring);
-
-int us_ring_producer_acquire(us_ring_s *ring, ldf timeout);
-void us_ring_producer_release(us_ring_s *ring, uint index);
-
-int us_ring_consumer_acquire(us_ring_s *ring, ldf timeout);
-void us_ring_consumer_release(us_ring_s *ring, uint index);

src/libs/signal.c

@@ -1,82 +0,0 @@
-/*****************************************************************************
-#                                                                            #
-#    uStreamer - Lightweight and fast MJPEG-HTTP streamer.                   #
-#                                                                            #
-#    Copyright (C) 2018-2024  Maxim Devaev <mdevaev@gmail.com>               #
-#                                                                            #
-#    This program is free software: you can redistribute it and/or modify    #
-#    it under the terms of the GNU General Public License as published by    #
-#    the Free Software Foundation, either version 3 of the License, or       #
-#    (at your option) any later version.                                     #
-#                                                                            #
-#    This program is distributed in the hope that it will be useful,         #
-#    but WITHOUT ANY WARRANTY; without even the implied warranty of          #
-#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the           #
-#    GNU General Public License for more details.                            #
-#                                                                            #
-#    You should have received a copy of the GNU General Public License       #
-#    along with this program.  If not, see <https://www.gnu.org/licenses/>.  #
-#                                                                            #
-*****************************************************************************/
-
-
-#include "signal.h"
-
-#include <string.h>
-#include <signal.h>
-#include <assert.h>
-
-#if defined(__GLIBC__) && __GLIBC__ >= 2 && __GLIBC_MINOR__ >= 32
-#	define HAS_SIGABBREV_NP
-#endif
-
-#include "types.h"
-#include "tools.h"
-#include "logging.h"
-
-
-char *us_signum_to_string(int signum) {
-#	ifdef HAS_SIGABBREV_NP
-	const char *const name = sigabbrev_np(signum);
-#	else
-	const char *const name = (
-		signum == SIGTERM ? "TERM" :
-		signum == SIGINT ? "INT" :
-		signum == SIGPIPE ? "PIPE" :
-		NULL
-	);
-#	endif
-	char *buf;
-	if (name != NULL) {
-		US_ASPRINTF(buf, "SIG%s", name);
-	} else {
-		US_ASPRINTF(buf, "SIG[%d]", signum);
-	}
-	return buf;
-}
-
-void us_install_signals_handler(us_signal_handler_f handler, bool ignore_sigpipe) {
-	struct sigaction sig_act = {0};
-
-	assert(!sigemptyset(&sig_act.sa_mask));
-	sig_act.sa_handler = handler;
-	assert(!sigaddset(&sig_act.sa_mask, SIGINT));
-	assert(!sigaddset(&sig_act.sa_mask, SIGTERM));
-	if (!ignore_sigpipe) {
-	    assert(!sigaddset(&sig_act.sa_mask, SIGPIPE));
-	}
-
-	US_LOG_DEBUG("Installing SIGINT handler ...");
-	assert(!sigaction(SIGINT, &sig_act, NULL));
-
-	US_LOG_DEBUG("Installing SIGTERM handler ...");
-	assert(!sigaction(SIGTERM, &sig_act, NULL));
-
-	if (!ignore_sigpipe) {
-		US_LOG_DEBUG("Installing SIGPIPE handler ...");
-		assert(!sigaction(SIGPIPE, &sig_act, NULL));
-	} else {
-		US_LOG_DEBUG("Ignoring SIGPIPE ...");
-		assert(signal(SIGPIPE, SIG_IGN) != SIG_ERR);
-	}
-}

src/libs/tc358743.h

@@ -1,28 +0,0 @@
-/*****************************************************************************
-#                                                                            #
-#    uStreamer - Lightweight and fast MJPEG-HTTP streamer.                   #
-#                                                                            #
-#    Copyright (C) 2018-2024  Maxim Devaev <mdevaev@gmail.com>               #
-#                                                                            #
-#    This program is free software: you can redistribute it and/or modify    #
-#    it under the terms of the GNU General Public License as published by    #
-#    the Free Software Foundation, either version 3 of the License, or       #
-#    (at your option) any later version.                                     #
-#                                                                            #
-#    This program is distributed in the hope that it will be useful,         #
-#    but WITHOUT ANY WARRANTY; without even the implied warranty of          #
-#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the           #
-#    GNU General Public License for more details.                            #
-#                                                                            #
-#    You should have received a copy of the GNU General Public License       #
-#    along with this program.  If not, see <https://www.gnu.org/licenses/>.  #
-#                                                                            #
-*****************************************************************************/
-
-
-#pragma once
-
-#include "types.h"
-
-
-int us_tc358743_xioctl_get_audio_hz(int fd, uint *audio_hz);

src/libs/threading.h

@@ -2,7 +2,7 @@
 #                                                                            #
 #    uStreamer - Lightweight and fast MJPEG-HTTP streamer.                   #
 #                                                                            #
-#    Copyright (C) 2018-2024  Maxim Devaev <mdevaev@gmail.com>               #
+#    Copyright (C) 2018-2023  Maxim Devaev <mdevaev@gmail.com>               #
 #                                                                            #
 #    This program is free software: you can redistribute it and/or modify    #
 #    it under the terms of the GNU General Public License as published by    #
@@ -24,9 +24,9 @@
 
 #include <stdio.h>
 #include <unistd.h>
-#include <signal.h>
 #include <assert.h>
 
+#include <sys/types.h>
 #include <sys/syscall.h>
 
 #include <pthread.h>
@@ -37,14 +37,13 @@
 #	endif
 #endif
 
-#include "types.h"
 #include "tools.h"
 
 
 #ifdef PTHREAD_MAX_NAMELEN_NP
-#	define US_THREAD_NAME_SIZE ((uz)(PTHREAD_MAX_NAMELEN_NP))
+#	define US_MAX_THREAD_NAME ((size_t)(PTHREAD_MAX_NAMELEN_NP))
 #else
-#	define US_THREAD_NAME_SIZE ((uz)16)
+#	define US_MAX_THREAD_NAME ((size_t)16)
 #endif
 
 #define US_THREAD_CREATE(x_tid, x_func, x_arg)	assert(!pthread_create(&(x_tid), NULL, (x_func), (x_arg)))
@@ -52,19 +51,14 @@
 
 #ifdef WITH_PTHREAD_NP
 #	define US_THREAD_RENAME(x_fmt, ...) { \
-			char m_new_tname_buf[US_THREAD_NAME_SIZE] = {0}; \
-			US_SNPRINTF(m_new_tname_buf, (US_THREAD_NAME_SIZE - 1), (x_fmt), ##__VA_ARGS__); \
+			char m_new_tname_buf[US_MAX_THREAD_NAME] = {0}; \
+			assert(snprintf(m_new_tname_buf, US_MAX_THREAD_NAME, (x_fmt), ##__VA_ARGS__) > 0); \
 			us_thread_set_name(m_new_tname_buf); \
 		}
 #else
-#	define US_THREAD_RENAME(x_fmt, ...)
+#	define US_THREAD_RENAME(_fmt, ...)
 #endif
 
-#define US_THREAD_SETTLE(x_fmt, ...) { \
-		US_THREAD_RENAME((x_fmt), ##__VA_ARGS__); \
-		us_thread_block_signals(); \
-	}
-
 #define US_MUTEX_INIT(x_mutex)		assert(!pthread_mutex_init(&(x_mutex), NULL))
 #define US_MUTEX_DESTROY(x_mutex)	assert(!pthread_mutex_destroy(&(x_mutex)))
 #define US_MUTEX_LOCK(x_mutex)		assert(!pthread_mutex_lock(&(x_mutex)))
@@ -84,7 +78,7 @@ INLINE void us_thread_set_name(const char *name) {
 #	elif defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__DragonFly__)
 	pthread_set_name_np(pthread_self(), name);
 #	elif defined(__NetBSD__)
-	pthread_setname_np(pthread_self(), "%s", (void*)name);
+	pthread_setname_np(pthread_self(), "%s", (void *)name);
 #	else
 #		error us_thread_set_name() not implemented, you can disable it using WITH_PTHREAD_NP=0
 #	endif
@@ -95,12 +89,12 @@ INLINE void us_thread_get_name(char *name) { // Always required for logging
 #ifdef WITH_PTHREAD_NP
 	int retval = -1;
 #	if defined(__linux__) || defined (__NetBSD__)
-	retval = pthread_getname_np(pthread_self(), name, US_THREAD_NAME_SIZE - 1);
+	retval = pthread_getname_np(pthread_self(), name, US_MAX_THREAD_NAME);
 #	elif \
 		(defined(__FreeBSD__) && defined(__FreeBSD_version) && __FreeBSD_version >= 1103500) \
 		|| (defined(__OpenBSD__) && defined(OpenBSD) && OpenBSD >= 201905) \
 		|| defined(__DragonFly__)
-	pthread_get_name_np(pthread_self(), name, US_THREAD_NAME_SIZE - 1);
+	pthread_get_name_np(pthread_self(), name, US_MAX_THREAD_NAME);
 	if (name[0] != '\0') {
 		retval = 0;
 	}
@@ -113,9 +107,7 @@ INLINE void us_thread_get_name(char *name) { // Always required for logging
 #if defined(__linux__)
 		const pid_t tid = syscall(SYS_gettid);
 #elif defined(__FreeBSD__)
-		long id;
-		assert(!syscall(SYS_thr_self, &id));
-		const pid_t tid = id;
+		const pid_t tid = syscall(SYS_thr_self);
 #elif defined(__OpenBSD__)
 		const pid_t tid = syscall(SYS_getthrid);
 #elif defined(__NetBSD__)
@@ -126,17 +118,9 @@ INLINE void us_thread_get_name(char *name) { // Always required for logging
 		const pid_t tid = 0; // Makes cppcheck happy
 #	warning gettid() not implemented
 #endif
-		US_SNPRINTF(name, (US_THREAD_NAME_SIZE - 1), "tid=%d", tid);
+		assert(snprintf(name, US_MAX_THREAD_NAME, "tid=%d", tid) > 0);
 
 #ifdef WITH_PTHREAD_NP
 	}
 #endif
 }
-
-INLINE void us_thread_block_signals(void) {
-	sigset_t mask;
-	assert(!sigemptyset(&mask));
-	assert(!sigaddset(&mask, SIGINT));
-	assert(!sigaddset(&mask, SIGTERM));
-	assert(!pthread_sigmask(SIG_BLOCK, &mask, NULL));
-}

src/libs/tools.h

@@ -2,7 +2,7 @@
 #                                                                            #
 #    uStreamer - Lightweight and fast MJPEG-HTTP streamer.                   #
 #                                                                            #
-#    Copyright (C) 2018-2024  Maxim Devaev <mdevaev@gmail.com>               #
+#    Copyright (C) 2018-2023  Maxim Devaev <mdevaev@gmail.com>               #
 #                                                                            #
 #    This program is free software: you can redistribute it and/or modify    #
 #    it under the terms of the GNU General Public License as published by    #
@@ -23,19 +23,26 @@
 #pragma once
 
 #include <stdio.h>
+#include <stdint.h>
 #include <stdlib.h>
+#include <stdbool.h>
 #include <string.h>
 #include <unistd.h>
 #include <limits.h>
-#include <locale.h> // Make C locale for strerror_l()
+#include <locale.h>
 #include <errno.h>
 #include <math.h>
 #include <time.h>
 #include <assert.h>
 
+#include <sys/types.h>
 #include <sys/file.h>
 
-#include "types.h"
+#if defined(__GLIBC__) && __GLIBC__ >= 2 && __GLIBC_MINOR__ >= 32
+#	define HAS_SIGABBREV_NP
+#else
+#	include <signal.h>
+#endif
 
 
 #ifdef NDEBUG
@@ -50,37 +57,14 @@
 #define RN "\r\n"
 
 #define INLINE inline __attribute__((always_inline))
+#define UNUSED __attribute__((unused))
 
 #define US_CALLOC(x_dest, x_nmemb)		assert(((x_dest) = calloc((x_nmemb), sizeof(*(x_dest)))) != NULL)
 #define US_REALLOC(x_dest, x_nmemb)		assert(((x_dest) = realloc((x_dest), (x_nmemb) * sizeof(*(x_dest)))) != NULL)
-#define US_DELETE(x_dest, x_free)		{ if (x_dest) { x_free(x_dest); x_dest = NULL; } }
-#define US_CLOSE_FD(x_dest)				{ if (x_dest >= 0) { close(x_dest); x_dest = -1; } }
+#define US_DELETE(x_dest, x_free)		{ if (x_dest) { x_free(x_dest); } }
 #define US_MEMSET_ZERO(x_obj)			memset(&(x_obj), 0, sizeof(x_obj))
 
-#define US_SNPRINTF(x_dest, x_size, x_fmt, ...)	assert(snprintf((x_dest), (x_size), (x_fmt), ##__VA_ARGS__) > 0)
-#define US_ASPRINTF(x_dest, x_fmt, ...)			assert(asprintf(&(x_dest), (x_fmt), ##__VA_ARGS__) > 0)
-
-#define US_MIN(x_a, x_b) ({ \
-		__typeof__(x_a) m_a = (x_a); \
-		__typeof__(x_b) m_b = (x_b); \
-		(m_a < m_b ? m_a : m_b); \
-	})
-
-#define US_MAX(x_a, x_b) ({ \
-		__typeof__(x_a) m_a = (x_a); \
-		__typeof__(x_b) m_b = (x_b); \
-		(m_a > m_b ? m_a : m_b); \
-	})
-
-#define US_ONCE_FOR(x_once, x_value, ...) { \
-		const int m_reported = (x_value); \
-		if (m_reported != (x_once)) { \
-			__VA_ARGS__; \
-			(x_once) = m_reported; \
-		} \
-	}
-
-#define US_ONCE(...) US_ONCE_FOR(once, __LINE__, ##__VA_ARGS__)
+#define US_ASPRINTF(x_dest, x_fmt, ...) assert(asprintf(&(x_dest), (x_fmt), ##__VA_ARGS__) >= 0)
 
 
 INLINE char *us_strdup(const char *str) {
@@ -93,15 +77,23 @@ INLINE const char *us_bool_to_string(bool flag) {
 	return (flag ? "true" : "false");
 }
 
-INLINE uz us_align_size(uz size, uz to) {
+INLINE size_t us_align_size(size_t size, size_t to) {
 	return ((size + (to - 1)) & ~(to - 1));
 }
 
-INLINE sll us_floor_ms(ldf now) {
-	return (sll)now - (now < (sll)now); // floor()
+INLINE unsigned us_min_u(unsigned a, unsigned b) {
+	return (a < b ? a : b);
 }
 
-INLINE u32 us_triple_u32(u32 x) {
+INLINE unsigned us_max_u(unsigned a, unsigned b) {
+	return (a > b ? a : b);
+}
+
+INLINE long long us_floor_ms(long double now) {
+	return (long long)now - (now < (long long)now); // floor()
+}
+
+INLINE uint32_t us_triple_u32(uint32_t x) {
 	// https://nullprogram.com/blog/2018/07/31/
 	x ^= x >> 17;
 	x *= UINT32_C(0xED5AD4BB);
@@ -125,38 +117,38 @@ INLINE void us_get_now(clockid_t clk_id, time_t *sec, long *msec) {
 	}
 }
 
-INLINE ldf us_get_now_monotonic(void) {
+INLINE long double us_get_now_monotonic(void) {
 	time_t sec;
 	long msec;
 	us_get_now(CLOCK_MONOTONIC, &sec, &msec);
-	return (ldf)sec + ((ldf)msec) / 1000;
+	return (long double)sec + ((long double)msec) / 1000;
 }
 
-INLINE u64 us_get_now_monotonic_u64(void) {
+INLINE uint64_t us_get_now_monotonic_u64(void) {
 	struct timespec ts;
 	assert(!clock_gettime(CLOCK_MONOTONIC, &ts));
-	return (u64)(ts.tv_nsec / 1000) + (u64)ts.tv_sec * 1000000;
+	return (uint64_t)(ts.tv_nsec / 1000) + (uint64_t)ts.tv_sec * 1000000;
 }
 
-INLINE u64 us_get_now_id(void) {
-	const u64 now = us_get_now_monotonic_u64();
-	return (u64)us_triple_u32(now) | ((u64)us_triple_u32(now + 12345) << 32);
+INLINE uint64_t us_get_now_id(void) {
+	const uint64_t now = us_get_now_monotonic_u64();
+	return (uint64_t)us_triple_u32(now) | ((uint64_t)us_triple_u32(now + 12345) << 32);
 }
 
-INLINE ldf us_get_now_real(void) {
+INLINE long double us_get_now_real(void) {
 	time_t sec;
 	long msec;
 	us_get_now(CLOCK_REALTIME, &sec, &msec);
-	return (ldf)sec + ((ldf)msec) / 1000;
+	return (long double)sec + ((long double)msec) / 1000;
 }
 
-INLINE uint us_get_cores_available(void) {
+INLINE unsigned us_get_cores_available(void) {
 	long cores_sysconf = sysconf(_SC_NPROCESSORS_ONLN);
 	cores_sysconf = (cores_sysconf < 0 ? 0 : cores_sysconf);
-	return US_MAX(US_MIN(cores_sysconf, 4), 1);
+	return us_max_u(us_min_u(cores_sysconf, 4), 1);
 }
 
-INLINE void us_ld_to_timespec(ldf ld, struct timespec *ts) {
+INLINE void us_ld_to_timespec(long double ld, struct timespec *ts) {
 	ts->tv_sec = (long)ld;
 	ts->tv_nsec = (ld - ts->tv_sec) * 1000000000L;
 	if (ts->tv_nsec > 999999999L) {
@@ -165,12 +157,12 @@ INLINE void us_ld_to_timespec(ldf ld, struct timespec *ts) {
 	}
 }
 
-INLINE ldf us_timespec_to_ld(const struct timespec *ts) {
-	return ts->tv_sec + ((ldf)ts->tv_nsec) / 1000000000;
+INLINE long double us_timespec_to_ld(const struct timespec *ts) {
+	return ts->tv_sec + ((long double)ts->tv_nsec) / 1000000000;
 }
 
-INLINE int us_flock_timedwait_monotonic(int fd, ldf timeout) {
-	const ldf deadline_ts = us_get_now_monotonic() + timeout;
+INLINE int us_flock_timedwait_monotonic(int fd, long double timeout) {
+	const long double deadline_ts = us_get_now_monotonic() + timeout;
 	int retval = -1;
 
 	while (true) {
@@ -186,26 +178,33 @@ INLINE int us_flock_timedwait_monotonic(int fd, ldf timeout) {
 }
 
 INLINE char *us_errno_to_string(int error) {
-#	if (_POSIX_C_SOURCE >= 200112L) && !defined(_GNU_SOURCE) // XSI
-	char buf[2048];
-	const uz max_len = sizeof(buf) - 1;
-	if (strerror_r(error, buf, max_len) != 0) {
-		US_SNPRINTF(buf, max_len, "Errno = %d", error);
-	}
-	return us_strdup(buf);
-
-#	elif defined(__GLIBC__) && defined(_GNU_SOURCE) // GNU
-	char buf[2048];
-	const uz max_len = sizeof(buf) - 1;
-	return us_strdup(strerror_r(error, buf, max_len));
-
-#	else // BSD
 	locale_t locale = newlocale(LC_MESSAGES_MASK, "C", NULL);
+	char *buf;
 	if (locale) {
-		char *ptr = us_strdup(strerror_l(error, locale));
+		buf = us_strdup(strerror_l(error, locale));
 		freelocale(locale);
-		return ptr;
+	} else {
+		buf = us_strdup("!!! newlocale() error !!!");
 	}
-	return us_strdup("!!! newlocale() error !!!");
-#	endif
+	return buf;
+}
+
+INLINE char *us_signum_to_string(int signum) {
+#	ifdef HAS_SIGABBREV_NP
+	const char *const name = sigabbrev_np(signum);
+#	else
+	const char *const name = (
+		signum == SIGTERM ? "TERM" :
+		signum == SIGINT ? "INT" :
+		signum == SIGPIPE ? "PIPE" :
+		NULL
+	);
+#	endif
+	char *buf;
+	if (name != NULL) {
+		US_ASPRINTF(buf, "SIG%s", name);
+	} else {
+		US_ASPRINTF(buf, "SIG[%d]", signum);
+	}
+	return buf;
 }

src/libs/unjpeg.c

@@ -2,7 +2,7 @@
 #                                                                            #
 #    uStreamer - Lightweight and fast MJPEG-HTTP streamer.                   #
 #                                                                            #
-#    Copyright (C) 2018-2024  Maxim Devaev <mdevaev@gmail.com>               #
+#    Copyright (C) 2018-2023  Maxim Devaev <mdevaev@gmail.com>               #
 #                                                                            #
 #    This program is free software: you can redistribute it and/or modify    #
 #    it under the terms of the GNU General Public License as published by    #
@@ -22,17 +22,6 @@
 
 #include "unjpeg.h"
 
-#include <stdio.h>
-#include <setjmp.h>
-#include <assert.h>
-
-#include <jpeglib.h>
-#include <linux/videodev2.h>
-
-#include "types.h"
-#include "logging.h"
-#include "frame.h"
-
 
 typedef struct {
 	struct jpeg_error_mgr	mgr; // Default manager
@@ -54,7 +43,7 @@ int us_unjpeg(const us_frame_s *src, us_frame_s *dest, bool decode) {
 
 	// https://stackoverflow.com/questions/19857766/error-handling-in-libjpeg
 	_jpeg_error_manager_s jpeg_error;
-	jpeg.err = jpeg_std_error((struct jpeg_error_mgr*)&jpeg_error);
+	jpeg.err = jpeg_std_error((struct jpeg_error_mgr *)&jpeg_error);
 	jpeg_error.mgr.error_exit = _jpeg_error_handler;
 	jpeg_error.frame = src;
 	if (setjmp(jpeg_error.jmp) < 0) {
@@ -68,12 +57,12 @@ int us_unjpeg(const us_frame_s *src, us_frame_s *dest, bool decode) {
 
 	jpeg_start_decompress(&jpeg);
 
-	US_FRAME_COPY_META(src, dest); // cppcheck-suppress redundantAssignment
-	dest->format = V4L2_PIX_FMT_RGB24; // cppcheck-suppress redundantAssignment
-	dest->width = jpeg.output_width; // cppcheck-suppress redundantAssignment
-	dest->height = jpeg.output_height; // cppcheck-suppress redundantAssignment
-	dest->stride = jpeg.output_width * jpeg.output_components; // cppcheck-suppress redundantAssignment
-	dest->used = 0; // cppcheck-suppress redundantAssignment
+	us_frame_copy_meta(src, dest);
+	dest->format = V4L2_PIX_FMT_RGB24;
+	dest->width = jpeg.output_width;
+	dest->height = jpeg.output_height;
+	dest->stride = jpeg.output_width * jpeg.output_components; // Row stride
+	dest->used = 0;
 
 	if (decode) {
 		JSAMPARRAY scanlines;
@@ -88,13 +77,13 @@ int us_unjpeg(const us_frame_s *src, us_frame_s *dest, bool decode) {
 		jpeg_finish_decompress(&jpeg);
 	}
 
-done:
-	jpeg_destroy_decompress(&jpeg);
-	return retval;
+	done:
+		jpeg_destroy_decompress(&jpeg);
+		return retval;
 }
 
 static void _jpeg_error_handler(j_common_ptr jpeg) {
-	_jpeg_error_manager_s *jpeg_error = (_jpeg_error_manager_s*)jpeg->err;
+	_jpeg_error_manager_s *jpeg_error = (_jpeg_error_manager_s *)jpeg->err;
 	char msg[JMSG_LENGTH_MAX];
 
 	(*jpeg_error->mgr.format_message)(jpeg, msg);

src/libs/unjpeg.h

@@ -2,7 +2,7 @@
 #                                                                            #
 #    uStreamer - Lightweight and fast MJPEG-HTTP streamer.                   #
 #                                                                            #
-#    Copyright (C) 2018-2024  Maxim Devaev <mdevaev@gmail.com>               #
+#    Copyright (C) 2018-2023  Maxim Devaev <mdevaev@gmail.com>               #
 #                                                                            #
 #    This program is free software: you can redistribute it and/or modify    #
 #    it under the terms of the GNU General Public License as published by    #
@@ -22,7 +22,18 @@
 
 #pragma once
 
-#include "types.h"
+#include <stdio.h>
+#include <stdbool.h>
+#include <stdint.h>
+#include <setjmp.h>
+#include <assert.h>
+
+#include <sys/types.h>
+
+#include <jpeglib.h>
+#include <linux/videodev2.h>
+
+#include "logging.h"
 #include "frame.h"
 
 

src/libs/xioctl.h

@@ -2,7 +2,7 @@
 #                                                                            #
 #    uStreamer - Lightweight and fast MJPEG-HTTP streamer.                   #
 #                                                                            #
-#    Copyright (C) 2018-2024  Maxim Devaev <mdevaev@gmail.com>               #
+#    Copyright (C) 2018-2023  Maxim Devaev <mdevaev@gmail.com>               #
 #                                                                            #
 #    This program is free software: you can redistribute it and/or modify    #
 #    it under the terms of the GNU General Public License as published by    #
@@ -26,13 +26,11 @@
 
 #include <sys/ioctl.h>
 
-#include "types.h"
-
 
 #ifndef US_CFG_XIOCTL_RETRIES
 #	define US_CFG_XIOCTL_RETRIES 4
 #endif
-#define _XIOCTL_RETRIES ((uint)(US_CFG_XIOCTL_RETRIES))
+#define _XIOCTL_RETRIES ((unsigned)(US_CFG_XIOCTL_RETRIES))
 
 
 INLINE int us_xioctl(int fd, int request, void *arg) {

src/ustreamer/blank.c

@@ -2,7 +2,7 @@
 #                                                                            #
 #    uStreamer - Lightweight and fast MJPEG-HTTP streamer.                   #
 #                                                                            #
-#    Copyright (C) 2018-2024  Maxim Devaev <mdevaev@gmail.com>               #
+#    Copyright (C) 2018-2023  Maxim Devaev <mdevaev@gmail.com>               #
 #                                                                            #
 #    This program is free software: you can redistribute it and/or modify    #
 #    it under the terms of the GNU General Public License as published by    #
@@ -22,31 +22,84 @@
 
 #include "blank.h"
 
-#include "../libs/types.h"
-#include "../libs/tools.h"
-#include "../libs/frame.h"
-#include "../libs/frametext.h"
 
-#include "encoders/cpu/encoder.h"
+static us_frame_s *_init_internal(void);
+static us_frame_s *_init_external(const char *path);
 
 
-us_blank_s *us_blank_init(void) {
-	us_blank_s *blank;
-	US_CALLOC(blank, 1);
-	blank->ft = us_frametext_init();
-	blank->raw = blank->ft->frame;
-	blank->jpeg = us_frame_init();
-	us_blank_draw(blank, "< NO SIGNAL >", 640, 480);
+us_frame_s *us_blank_frame_init(const char *path) {
+	us_frame_s *blank = NULL;
+
+	if (path && path[0] != '\0') {
+		blank = _init_external(path);
+	}
+
+	if (blank != NULL) {
+		US_LOG_INFO("Using external blank placeholder: %s", path);
+	} else {
+		blank = _init_internal();
+		US_LOG_INFO("Using internal blank placeholder");
+	}
 	return blank;
 }
 
-void us_blank_draw(us_blank_s *blank, const char *text, uint width, uint height) {
-	us_frametext_draw(blank->ft, text, width, height);
-	us_cpu_encoder_compress(blank->raw, blank->jpeg, 95);
+static us_frame_s *_init_internal(void) {
+	us_frame_s *const blank = us_frame_init();
+	us_frame_set_data(blank, US_BLANK_JPEG_DATA, US_BLANK_JPEG_DATA_SIZE);
+	blank->width = US_BLANK_JPEG_WIDTH;
+	blank->height = US_BLANK_JPEG_HEIGHT;
+	blank->format = V4L2_PIX_FMT_JPEG;
+	return blank;
 }
 
-void us_blank_destroy(us_blank_s *blank) {
-	us_frame_destroy(blank->jpeg);
-	us_frametext_destroy(blank->ft);
-	free(blank);
+static us_frame_s *_init_external(const char *path) {
+	FILE *fp = NULL;
+
+	us_frame_s *blank = us_frame_init();
+	blank->format = V4L2_PIX_FMT_JPEG;
+
+	if ((fp = fopen(path, "rb")) == NULL) {
+		US_LOG_PERROR("Can't open blank placeholder '%s'", path);
+		goto error;
+	}
+
+#	define CHUNK_SIZE ((size_t)(100 * 1024))
+	while (true) {
+		if (blank->used + CHUNK_SIZE >= blank->allocated) {
+			us_frame_realloc_data(blank, blank->used + CHUNK_SIZE * 2);
+		}
+
+		const size_t readed = fread(blank->data + blank->used, 1, CHUNK_SIZE, fp);
+		blank->used += readed;
+
+		if (readed < CHUNK_SIZE) {
+			if (feof(fp)) {
+				break;
+			} else {
+				US_LOG_PERROR("Can't read blank placeholder");
+				goto error;
+			}
+		}
+	}
+#	undef CHUNK_SIZE
+
+	us_frame_s *const decoded = us_frame_init();
+	if (us_unjpeg(blank, decoded, false) < 0) {
+		us_frame_destroy(decoded);
+		goto error;
+	}
+	blank->width = decoded->width;
+	blank->height = decoded->height;
+	us_frame_destroy(decoded);
+
+	goto ok;
+
+	error:
+		us_frame_destroy(blank);
+		blank = NULL;
+
+	ok:
+		US_DELETE(fp, fclose);
+
+	return blank;
 }

src/ustreamer/blank.h

@@ -2,7 +2,7 @@
 #                                                                            #
 #    uStreamer - Lightweight and fast MJPEG-HTTP streamer.                   #
 #                                                                            #
-#    Copyright (C) 2018-2024  Maxim Devaev <mdevaev@gmail.com>               #
+#    Copyright (C) 2018-2023  Maxim Devaev <mdevaev@gmail.com>               #
 #                                                                            #
 #    This program is free software: you can redistribute it and/or modify    #
 #    it under the terms of the GNU General Public License as published by    #
@@ -22,19 +22,17 @@
 
 #pragma once
 
-#include "../libs/types.h"
+#include <stdio.h>
+#include <stdbool.h>
+
+#include <linux/videodev2.h>
+
+#include "../libs/tools.h"
+#include "../libs/logging.h"
 #include "../libs/frame.h"
-#include "../libs/frametext.h"
+#include "../libs/unjpeg.h"
+
+#include "data/blank_jpeg.h"
 
 
-typedef struct {
-	us_frametext_s	*ft;
-	us_frame_s		*raw;
-	us_frame_s		*jpeg;
-} us_blank_s;
-
-
-us_blank_s *us_blank_init(void);
-void us_blank_destroy(us_blank_s *blank);
-
-void us_blank_draw(us_blank_s *blank, const char *text, uint width, uint height);
+us_frame_s *us_blank_frame_init(const char *path);

src/ustreamer/data/blank_jpeg.c

@@ -0,0 +1,723 @@
+/*****************************************************************************
+#                                                                            #
+#    uStreamer - Lightweight and fast MJPEG-HTTP streamer.                   #
+#                                                                            #
+#    Copyright (C) 2018-2023  Maxim Devaev <mdevaev@gmail.com>               #
+#                                                                            #
+#    This program is free software: you can redistribute it and/or modify    #
+#    it under the terms of the GNU General Public License as published by    #
+#    the Free Software Foundation, either version 3 of the License, or       #
+#    (at your option) any later version.                                     #
+#                                                                            #
+#    This program is distributed in the hope that it will be useful,         #
+#    but WITHOUT ANY WARRANTY; without even the implied warranty of          #
+#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the           #
+#    GNU General Public License for more details.                            #
+#                                                                            #
+#    You should have received a copy of the GNU General Public License       #
+#    along with this program.  If not, see <https://www.gnu.org/licenses/>.  #
+#                                                                            #
+*****************************************************************************/
+
+#include "blank_jpeg.h"
+
+
+const unsigned US_BLANK_JPEG_WIDTH = 640;
+const unsigned US_BLANK_JPEG_HEIGHT = 480;
+
+const size_t US_BLANK_JPEG_DATA_SIZE = 13845;
+const uint8_t US_BLANK_JPEG_DATA[] = {
+	0xFF, 0xD8, 0xFF, 0xE1, 0x09, 0x50, 0x68, 0x74, 0x74, 0x70, 0x3A, 0x2F, 0x2F, 0x6E, 0x73, 0x2E, 0x61, 0x64, 0x6F, 0x62,
+	0x65, 0x2E, 0x63, 0x6F, 0x6D, 0x2F, 0x78, 0x61, 0x70, 0x2F, 0x31, 0x2E, 0x30, 0x2F, 0x00, 0x3C, 0x3F, 0x78, 0x70, 0x61,
+	0x63, 0x6B, 0x65, 0x74, 0x20, 0x62, 0x65, 0x67, 0x69, 0x6E, 0x3D, 0x22, 0xEF, 0xBB, 0xBF, 0x22, 0x20, 0x69, 0x64, 0x3D,
+	0x22, 0x57, 0x35, 0x4D, 0x30, 0x4D, 0x70, 0x43, 0x65, 0x68, 0x69, 0x48, 0x7A, 0x72, 0x65, 0x53, 0x7A, 0x4E, 0x54, 0x63,
+	0x7A, 0x6B, 0x63, 0x39, 0x64, 0x22, 0x3F, 0x3E, 0x20, 0x3C, 0x78, 0x3A, 0x78, 0x6D, 0x70, 0x6D, 0x65, 0x74, 0x61, 0x20,
+	0x78, 0x6D, 0x6C, 0x6E, 0x73, 0x3A, 0x78, 0x3D, 0x22, 0x61, 0x64, 0x6F, 0x62, 0x65, 0x3A, 0x6E, 0x73, 0x3A, 0x6D, 0x65,
+	0x74, 0x61, 0x2F, 0x22, 0x20, 0x78, 0x3A, 0x78, 0x6D, 0x70, 0x74, 0x6B, 0x3D, 0x22, 0x41, 0x64, 0x6F, 0x62, 0x65, 0x20,
+	0x58, 0x4D, 0x50, 0x20, 0x43, 0x6F, 0x72, 0x65, 0x20, 0x35, 0x2E, 0x36, 0x2D, 0x63, 0x31, 0x33, 0x38, 0x20, 0x37, 0x39,
+	0x2E, 0x31, 0x35, 0x39, 0x38, 0x32, 0x34, 0x2C, 0x20, 0x32, 0x30, 0x31, 0x36, 0x2F, 0x30, 0x39, 0x2F, 0x31, 0x34, 0x2D,
+	0x30, 0x31, 0x3A, 0x30, 0x39, 0x3A, 0x30, 0x31, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x22, 0x3E, 0x20, 0x3C,
+	0x72, 0x64, 0x66, 0x3A, 0x52, 0x44, 0x46, 0x20, 0x78, 0x6D, 0x6C, 0x6E, 0x73, 0x3A, 0x72, 0x64, 0x66, 0x3D, 0x22, 0x68,
+	0x74, 0x74, 0x70, 0x3A, 0x2F, 0x2F, 0x77, 0x77, 0x77, 0x2E, 0x77, 0x33, 0x2E, 0x6F, 0x72, 0x67, 0x2F, 0x31, 0x39, 0x39,
+	0x39, 0x2F, 0x30, 0x32, 0x2F, 0x32, 0x32, 0x2D, 0x72, 0x64, 0x66, 0x2D, 0x73, 0x79, 0x6E, 0x74, 0x61, 0x78, 0x2D, 0x6E,
+	0x73, 0x23, 0x22, 0x3E, 0x20, 0x3C, 0x72, 0x64, 0x66, 0x3A, 0x44, 0x65, 0x73, 0x63, 0x72, 0x69, 0x70, 0x74, 0x69, 0x6F,
+	0x6E, 0x20, 0x72, 0x64, 0x66, 0x3A, 0x61, 0x62, 0x6F, 0x75, 0x74, 0x3D, 0x22, 0x22, 0x2F, 0x3E, 0x20, 0x3C, 0x2F, 0x72,
+	0x64, 0x66, 0x3A, 0x52, 0x44, 0x46, 0x3E, 0x20, 0x3C, 0x2F, 0x78, 0x3A, 0x78, 0x6D, 0x70, 0x6D, 0x65, 0x74, 0x61, 0x3E,
+	0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
+	0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
+	0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
+	0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
+	0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
+	0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
+	0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
+	0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
+	0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
+	0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
+	0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
+	0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
+	0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
+	0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
+	0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
+	0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
+	0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
+	0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
+	0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
+	0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
+	0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
+	0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
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+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x07, 0xFF, 0xD0, 0xAF, 0xFC, 0x00, 0x00, 0x00, 0x00, 0x00,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x07, 0xFF, 0xD1, 0xAF, 0xFC, 0x00,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x07, 0xFF,
+	0xD2, 0xAF, 0xFC, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+	0x00, 0x00, 0x07, 0xFF, 0xD9,
+};

src/ustreamer/data/blank_jpeg.h

@@ -2,7 +2,7 @@
 #                                                                            #
 #    uStreamer - Lightweight and fast MJPEG-HTTP streamer.                   #
 #                                                                            #
-#    Copyright (C) 2018-2024  Maxim Devaev <mdevaev@gmail.com>               #
+#    Copyright (C) 2018-2023  Maxim Devaev <mdevaev@gmail.com>               #
 #                                                                            #
 #    This program is free software: you can redistribute it and/or modify    #
 #    it under the terms of the GNU General Public License as published by    #
@@ -22,11 +22,13 @@
 
 #pragma once
 
-#include "types.h"
+#include <stdint.h>
+
+#include <sys/types.h>
 
 
-typedef void (*us_signal_handler_f)(int);
+extern const unsigned US_BLANK_JPEG_WIDTH;
+extern const unsigned US_BLANK_JPEG_HEIGHT;
 
-
-char *us_signum_to_string(int signum);
-void us_install_signals_handler(us_signal_handler_f handler, bool ignore_sigpipe);
+extern const size_t US_BLANK_JPEG_DATA_SIZE;
+extern const uint8_t US_BLANK_JPEG_DATA[];

src/ustreamer/data/favicon_ico.c

@@ -2,7 +2,7 @@
 #                                                                            #
 #    uStreamer - Lightweight and fast MJPEG-HTTP streamer.                   #
 #                                                                            #
-#    Copyright (C) 2018-2024  Maxim Devaev <mdevaev@gmail.com>               #
+#    Copyright (C) 2018-2023  Maxim Devaev <mdevaev@gmail.com>               #
 #                                                                            #
 #    This program is free software: you can redistribute it and/or modify    #
 #    it under the terms of the GNU General Public License as published by    #

src/ustreamer/data/favicon_ico.h

@@ -2,7 +2,7 @@
 #                                                                            #
 #    uStreamer - Lightweight and fast MJPEG-HTTP streamer.                   #
 #                                                                            #
-#    Copyright (C) 2018-2024  Maxim Devaev <mdevaev@gmail.com>               #
+#    Copyright (C) 2018-2023  Maxim Devaev <mdevaev@gmail.com>               #
 #                                                                            #
 #    This program is free software: you can redistribute it and/or modify    #
 #    it under the terms of the GNU General Public License as published by    #

src/ustreamer/data/index_html.c

@@ -2,7 +2,7 @@
 #                                                                            #
 #    uStreamer - Lightweight and fast MJPEG-HTTP streamer.                   #
 #                                                                            #
-#    Copyright (C) 2018-2024  Maxim Devaev <mdevaev@gmail.com>               #
+#    Copyright (C) 2018-2023  Maxim Devaev <mdevaev@gmail.com>               #
 #                                                                            #
 #    This program is free software: you can redistribute it and/or modify    #
 #    it under the terms of the GNU General Public License as published by    #

src/ustreamer/data/index_html.h

@@ -2,7 +2,7 @@
 #                                                                            #
 #    uStreamer - Lightweight and fast MJPEG-HTTP streamer.                   #
 #                                                                            #
-#    Copyright (C) 2018-2024  Maxim Devaev <mdevaev@gmail.com>               #
+#    Copyright (C) 2018-2023  Maxim Devaev <mdevaev@gmail.com>               #
 #                                                                            #
 #    This program is free software: you can redistribute it and/or modify    #
 #    it under the terms of the GNU General Public License as published by    #

src/ustreamer/device.h

@@ -2,7 +2,7 @@
 #                                                                            #
 #    uStreamer - Lightweight and fast MJPEG-HTTP streamer.                   #
 #                                                                            #
-#    Copyright (C) 2018-2024  Maxim Devaev <mdevaev@gmail.com>               #
+#    Copyright (C) 2018-2023  Maxim Devaev <mdevaev@gmail.com>               #
 #                                                                            #
 #    This program is free software: you can redistribute it and/or modify    #
 #    it under the terms of the GNU General Public License as published by    #
@@ -22,24 +22,48 @@
 
 #pragma once
 
-#include <stdatomic.h>
+#include <stdlib.h>
+#include <stddef.h>
+#include <stdint.h>
+#include <stdbool.h>
+#include <string.h>
+#include <strings.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <assert.h>
 
+#include <sys/select.h>
+#include <sys/mman.h>
+#include <sys/time.h>
+
+#include <pthread.h>
 #include <linux/videodev2.h>
+#include <linux/v4l2-controls.h>
 
-#include "types.h"
-#include "frame.h"
+#include "../libs/tools.h"
+#include "../libs/array.h"
+#include "../libs/logging.h"
+#include "../libs/threading.h"
+#include "../libs/frame.h"
+#include "../libs/xioctl.h"
 
 
-#define US_VIDEO_MIN_WIDTH		((uint)160)
-#define US_VIDEO_MAX_WIDTH		((uint)15360) // Remember about stream->run->http_capture_state;
+#define US_VIDEO_MIN_WIDTH		((unsigned)160)
+#define US_VIDEO_MAX_WIDTH		((unsigned)15360)
 
-#define US_VIDEO_MIN_HEIGHT		((uint)120)
-#define US_VIDEO_MAX_HEIGHT		((uint)8640)
+#define US_VIDEO_MIN_HEIGHT		((unsigned)120)
+#define US_VIDEO_MAX_HEIGHT		((unsigned)8640)
 
-#define US_VIDEO_MAX_FPS		((uint)120)
+#define US_VIDEO_MAX_FPS		((unsigned)120)
 
+#define US_STANDARD_UNKNOWN		V4L2_STD_UNKNOWN
 #define US_STANDARDS_STR		"PAL, NTSC, SECAM"
-#define US_FORMATS_STR			"YUYV, YVYU, UYVY, RGB565, RGB24, BGR24, MJPEG, JPEG"
+
+#define US_FORMAT_UNKNOWN		-1
+#define US_FORMATS_STR			"YUYV, UYVY, RGB565, RGB24, BGR24, MJPEG, JPEG"
+
+#define US_IO_METHOD_UNKNOWN	-1
 #define US_IO_METHODS_STR		"MMAP, USERPTR"
 
 
@@ -48,27 +72,23 @@ typedef struct {
 	struct v4l2_buffer	buf;
 	int					dma_fd;
 	bool				grabbed;
-	atomic_int			refs;
-} us_capture_hwbuf_s;
+} us_hw_buffer_s;
 
 typedef struct {
 	int					fd;
-	uint				width;
-	uint				height;
-	uint				format;
-	uint				stride;
-	float				hz;
-	uint				hw_fps;
-	uint				jpeg_quality;
-	uz					raw_size;
-	uint				n_bufs;
-	us_capture_hwbuf_s	*bufs;
-	bool				dma;
+	unsigned			width;
+	unsigned			height;
+	unsigned			format;
+	unsigned			stride;
+	unsigned			hw_fps;
+	unsigned			jpeg_quality;
+	size_t				raw_size;
+	unsigned			n_bufs;
+	us_hw_buffer_s		*hw_bufs;
 	enum v4l2_buf_type	capture_type;
-	bool				capture_mplane;
-	bool				streamon;
-	int					open_error_once;
-} us_capture_runtime_s;
+	bool				capturing;
+	bool				persistent_timeout_reported;
+} us_device_runtime_s;
 
 typedef enum {
 	CTL_MODE_NONE = 0,
@@ -100,41 +120,37 @@ typedef struct {
 
 typedef struct {
 	char				*path;
-	uint				input;
-	uint				width;
-	uint				height;
-	uint				format;
-
-	bool				format_swap_rgb;
-	uint				jpeg_quality;
+	unsigned			input;
+	unsigned			width;
+	unsigned			height;
+	unsigned			format;
+	unsigned			jpeg_quality;
 	v4l2_std_id			standard;
 	enum v4l2_memory	io_method;
 	bool				dv_timings;
-	uint				n_bufs;
-	bool				dma_export;
-	bool				dma_required;
-	uint				desired_fps;
-	uz					min_frame_size;
-	bool				allow_truncated_frames;
+	unsigned			n_bufs;
+	unsigned			desired_fps;
+	size_t				min_frame_size;
 	bool				persistent;
-	uint				timeout;
+	unsigned			timeout;
 	us_controls_s 		ctl;
-	us_capture_runtime_s *run;
-} us_capture_s;
+	us_device_runtime_s *run;
+} us_device_s;
 
 
-us_capture_s *us_capture_init(void);
-void us_capture_destroy(us_capture_s *cap);
+us_device_s *us_device_init(void);
+void us_device_destroy(us_device_s *dev);
 
-int us_capture_parse_format(const char *str);
-int us_capture_parse_standard(const char *str);
-int us_capture_parse_io_method(const char *str);
+int us_device_parse_format(const char *str);
+v4l2_std_id us_device_parse_standard(const char *str);
+int us_device_parse_io_method(const char *str);
 
-int us_capture_open(us_capture_s *cap);
-void us_capture_close(us_capture_s *cap);
+int us_device_open(us_device_s *dev);
+void us_device_close(us_device_s *dev);
 
-int us_capture_hwbuf_grab(us_capture_s *cap, us_capture_hwbuf_s **hw);
-int us_capture_hwbuf_release(const us_capture_s *cap, us_capture_hwbuf_s *hw);
-
-void us_capture_hwbuf_incref(us_capture_hwbuf_s *hw);
-void us_capture_hwbuf_decref(us_capture_hwbuf_s *hw);
+int us_device_export_to_dma(us_device_s *dev);
+int us_device_switch_capturing(us_device_s *dev, bool enable);
+int us_device_select(us_device_s *dev, bool *has_read, bool *has_write, bool *has_error);
+int us_device_grab_buffer(us_device_s *dev, us_hw_buffer_s **hw);
+int us_device_release_buffer(us_device_s *dev, us_hw_buffer_s *hw);
+int us_device_consume_event(us_device_s *dev);

src/ustreamer/encoder.c

@@ -2,7 +2,7 @@
 #                                                                            #
 #    uStreamer - Lightweight and fast MJPEG-HTTP streamer.                   #
 #                                                                            #
-#    Copyright (C) 2018-2024  Maxim Devaev <mdevaev@gmail.com>               #
+#    Copyright (C) 2018-2023  Maxim Devaev <mdevaev@gmail.com>               #
 #                                                                            #
 #    This program is free software: you can redistribute it and/or modify    #
 #    it under the terms of the GNU General Public License as published by    #
@@ -22,26 +22,6 @@
 
 #include "encoder.h"
 
-#include <stdlib.h>
-#include <strings.h>
-#include <assert.h>
-
-#include <pthread.h>
-
-#include "../libs/types.h"
-#include "../libs/tools.h"
-#include "../libs/array.h"
-#include "../libs/threading.h"
-#include "../libs/logging.h"
-#include "../libs/frame.h"
-#include "../libs/capture.h"
-
-#include "workers.h"
-#include "m2m.h"
-
-#include "encoders/cpu/encoder.h"
-#include "encoders/hw/encoder.h"
-
 
 static const struct {
 	const char *name;
@@ -54,7 +34,7 @@ static const struct {
 	{"M2M-MJPEG",	US_ENCODER_TYPE_M2M_VIDEO},
 	{"M2M-JPEG",	US_ENCODER_TYPE_M2M_IMAGE},
 	{"OMX",			US_ENCODER_TYPE_M2M_IMAGE},
-	{"NOOP",		US_ENCODER_TYPE_CPU},
+	{"NOOP",		US_ENCODER_TYPE_NOOP},
 };
 
 
@@ -63,6 +43,9 @@ static void _worker_job_destroy(void *v_job);
 static bool _worker_run_job(us_worker_s *wr);
 
 
+#define _ER(x_next)	enc->run->x_next
+
+
 us_encoder_s *us_encoder_init(void) {
 	us_encoder_runtime_s *run;
 	US_CALLOC(run, 1);
@@ -79,25 +62,24 @@ us_encoder_s *us_encoder_init(void) {
 }
 
 void us_encoder_destroy(us_encoder_s *enc) {
-	us_encoder_runtime_s *const run = enc->run;
-	if (run->m2ms != NULL) {
-		for (uint index = 0; index < run->n_m2ms; ++index) {
-			US_DELETE(run->m2ms[index], us_m2m_encoder_destroy);
+	if (_ER(m2ms) != NULL) {
+		for (unsigned index = 0; index < _ER(n_m2ms); ++index) {
+			US_DELETE(_ER(m2ms[index]), us_m2m_encoder_destroy)
 		}
-		free(run->m2ms);
+		free(_ER(m2ms));
 	}
-	US_MUTEX_DESTROY(run->mutex);
-	free(run);
+	US_MUTEX_DESTROY(_ER(mutex));
+	free(enc->run);
 	free(enc);
 }
 
-int us_encoder_parse_type(const char *str) {
+us_encoder_type_e us_encoder_parse_type(const char *str) {
 	US_ARRAY_ITERATE(_ENCODER_TYPES, 0, item, {
 		if (!strcasecmp(item->name, str)) {
 			return item->type;
 		}
 	});
-	return -1;
+	return US_ENCODER_TYPE_UNKNOWN;
 }
 
 const char *us_encoder_type_to_string(us_encoder_type_e type) {
@@ -109,124 +91,138 @@ const char *us_encoder_type_to_string(us_encoder_type_e type) {
 	return _ENCODER_TYPES[0].name;
 }
 
-void us_encoder_open(us_encoder_s *enc, us_capture_s *cap) {
-	us_encoder_runtime_s *const run = enc->run;
-	us_capture_runtime_s *const cr = cap->run;
+us_workers_pool_s *us_encoder_workers_pool_init(us_encoder_s *enc, us_device_s *dev) {
+#	define DR(x_next) dev->run->x_next
 
-	assert(run->pool == NULL);
+	us_encoder_type_e type = (_ER(cpu_forced) ? US_ENCODER_TYPE_CPU : enc->type);
+	unsigned quality = dev->jpeg_quality;
+	unsigned n_workers = us_min_u(enc->n_workers, DR(n_bufs));
+	bool cpu_forced = false;
 
-	us_encoder_type_e type = enc->type;
-	uint quality = cap->jpeg_quality;
-	uint n_workers = US_MIN(enc->n_workers, cr->n_bufs);
-
-	if (us_is_jpeg(cr->format) && type != US_ENCODER_TYPE_HW) {
+	if (us_is_jpeg(DR(format)) && type != US_ENCODER_TYPE_HW) {
 		US_LOG_INFO("Switching to HW encoder: the input is (M)JPEG ...");
 		type = US_ENCODER_TYPE_HW;
 	}
 
 	if (type == US_ENCODER_TYPE_HW) {
-		if (us_is_jpeg(cr->format)) {
-			quality = cr->jpeg_quality;
-			n_workers = 1;
-		} else {
+		if (!us_is_jpeg(DR(format))) {
 			US_LOG_INFO("Switching to CPU encoder: the input format is not (M)JPEG ...");
-			type = US_ENCODER_TYPE_CPU;
-			quality = cap->jpeg_quality;
+			goto use_cpu;
 		}
+		quality = DR(jpeg_quality);
+		n_workers = 1;
 
 	} else if (type == US_ENCODER_TYPE_M2M_VIDEO || type == US_ENCODER_TYPE_M2M_IMAGE) {
 		US_LOG_DEBUG("Preparing M2M-%s encoder ...", (type == US_ENCODER_TYPE_M2M_VIDEO ? "VIDEO" : "IMAGE"));
-		if (run->m2ms == NULL) {
-			US_CALLOC(run->m2ms, n_workers);
+		if (_ER(m2ms) == NULL) {
+			US_CALLOC(_ER(m2ms), n_workers);
 		}
-		for (; run->n_m2ms < n_workers; ++run->n_m2ms) {
+		for (; _ER(n_m2ms) < n_workers; ++_ER(n_m2ms)) {
 			// Начинаем с нуля и доинициализируем на следующих заходах при необходимости
 			char name[32];
-			US_SNPRINTF(name, 31, "JPEG-%u", run->n_m2ms);
+			snprintf(name, 32, "JPEG-%u", _ER(n_m2ms));
 			if (type == US_ENCODER_TYPE_M2M_VIDEO) {
-				run->m2ms[run->n_m2ms] = us_m2m_mjpeg_encoder_init(name, enc->m2m_path, quality);
+				_ER(m2ms[_ER(n_m2ms)]) = us_m2m_mjpeg_encoder_init(name, enc->m2m_path, quality);
 			} else {
-				run->m2ms[run->n_m2ms] = us_m2m_jpeg_encoder_init(name, enc->m2m_path, quality);
+				_ER(m2ms[_ER(n_m2ms)]) = us_m2m_jpeg_encoder_init(name, enc->m2m_path, quality);
 			}
 		}
+
+	} else if (type == US_ENCODER_TYPE_NOOP) {
+		n_workers = 1;
+		quality = 0;
 	}
 
-	if (quality == 0) {
-		US_LOG_INFO("Using JPEG quality: encoder default");
-	} else {
-		US_LOG_INFO("Using JPEG quality: %u%%", quality);
-	}
+	goto ok;
 
-	US_MUTEX_LOCK(run->mutex);
-	run->type = type;
-	run->quality = quality;
-	US_MUTEX_UNLOCK(run->mutex);
+	use_cpu:
+		type = US_ENCODER_TYPE_CPU;
+		quality = dev->jpeg_quality;
 
-	const ldf desired_interval = (
-		cap->desired_fps > 0 && (cap->desired_fps < cap->run->hw_fps || cap->run->hw_fps == 0)
-		? (ldf)1 / cap->desired_fps
-		: 0
-	);
+	ok:
+		if (type == US_ENCODER_TYPE_NOOP) {
+			US_LOG_INFO("Using JPEG NOOP encoder");
+		} else if (quality == 0) {
+			US_LOG_INFO("Using JPEG quality: encoder default");
+		} else {
+			US_LOG_INFO("Using JPEG quality: %u%%", quality);
+		}
 
-	enc->run->pool = us_workers_pool_init(
-		"JPEG", "jw", n_workers, desired_interval,
-		_worker_job_init, (void*)enc,
-		_worker_job_destroy,
-		_worker_run_job);
+		US_MUTEX_LOCK(_ER(mutex));
+		_ER(type) = type;
+		_ER(quality) = quality;
+		if (cpu_forced) {
+			_ER(cpu_forced) = true;
+		}
+		US_MUTEX_UNLOCK(_ER(mutex));
+
+		const long double desired_interval = (
+			dev->desired_fps > 0 && (dev->desired_fps < dev->run->hw_fps || dev->run->hw_fps == 0)
+			? (long double)1 / dev->desired_fps
+			: 0
+		);
+
+		return us_workers_pool_init(
+			"JPEG", "jw", n_workers, desired_interval,
+			_worker_job_init, (void *)enc,
+			_worker_job_destroy,
+			_worker_run_job);
+
+#	undef DR
 }
 
-void us_encoder_close(us_encoder_s *enc) {
-	assert(enc->run->pool != NULL);
-	US_DELETE(enc->run->pool, us_workers_pool_destroy);
-}
-
-void us_encoder_get_runtime_params(us_encoder_s *enc, us_encoder_type_e *type, uint *quality) {
-	us_encoder_runtime_s *const run = enc->run;
-	US_MUTEX_LOCK(run->mutex);
-	*type = run->type;
-	*quality = run->quality;
-	US_MUTEX_UNLOCK(run->mutex);
+void us_encoder_get_runtime_params(us_encoder_s *enc, us_encoder_type_e *type, unsigned *quality) {
+	US_MUTEX_LOCK(_ER(mutex));
+	*type = _ER(type);
+	*quality = _ER(quality);
+	US_MUTEX_UNLOCK(_ER(mutex));
 }
 
 static void *_worker_job_init(void *v_enc) {
 	us_encoder_job_s *job;
 	US_CALLOC(job, 1);
-	job->enc = (us_encoder_s*)v_enc;
+	job->enc = (us_encoder_s *)v_enc;
 	job->dest = us_frame_init();
-	return (void*)job;
+	return (void *)job;
 }
 
 static void _worker_job_destroy(void *v_job) {
-	us_encoder_job_s *job = v_job;
+	us_encoder_job_s *job = (us_encoder_job_s *)v_job;
 	us_frame_destroy(job->dest);
 	free(job);
 }
 
 static bool _worker_run_job(us_worker_s *wr) {
-	us_encoder_job_s *const job = wr->job;
-	us_encoder_runtime_s *const run = job->enc->run;
-	const us_frame_s *const src = &job->hw->raw;
-	us_frame_s *const dest = job->dest;
+	us_encoder_job_s *job = (us_encoder_job_s *)wr->job;
+	us_encoder_s *enc = job->enc; // Just for _ER()
+	const us_frame_s *src = &job->hw->raw;
+	us_frame_s *dest = job->dest;
 
-	if (run->type == US_ENCODER_TYPE_CPU) {
+	assert(_ER(type) != US_ENCODER_TYPE_UNKNOWN);
+
+	if (_ER(type) == US_ENCODER_TYPE_CPU) {
 		US_LOG_VERBOSE("Compressing JPEG using CPU: worker=%s, buffer=%u",
 			wr->name, job->hw->buf.index);
-		us_cpu_encoder_compress(src, dest, run->quality);
+		us_cpu_encoder_compress(src, dest, _ER(quality));
 
-	} else if (run->type == US_ENCODER_TYPE_HW) {
+	} else if (_ER(type) == US_ENCODER_TYPE_HW) {
 		US_LOG_VERBOSE("Compressing JPEG using HW (just copying): worker=%s, buffer=%u",
 			wr->name, job->hw->buf.index);
 		us_hw_encoder_compress(src, dest);
 
-	} else if (run->type == US_ENCODER_TYPE_M2M_VIDEO || run->type == US_ENCODER_TYPE_M2M_IMAGE) {
+	} else if (_ER(type) == US_ENCODER_TYPE_M2M_VIDEO || _ER(type) == US_ENCODER_TYPE_M2M_IMAGE) {
 		US_LOG_VERBOSE("Compressing JPEG using M2M-%s: worker=%s, buffer=%u",
-			(run->type == US_ENCODER_TYPE_M2M_VIDEO ? "VIDEO" : "IMAGE"), wr->name, job->hw->buf.index);
-		if (us_m2m_encoder_compress(run->m2ms[wr->number], src, dest, false) < 0) {
+			(_ER(type) == US_ENCODER_TYPE_M2M_VIDEO ? "VIDEO" : "IMAGE"), wr->name, job->hw->buf.index);
+		if (us_m2m_encoder_compress(_ER(m2ms[wr->number]), src, dest, false) < 0) {
 			goto error;
 		}
 
-	} else {
-		assert(0 && "Unknown encoder type");
+	} else if (_ER(type) == US_ENCODER_TYPE_NOOP) {
+		US_LOG_VERBOSE("Compressing JPEG using NOOP (do nothing): worker=%s, buffer=%u",
+			wr->name, job->hw->buf.index);
+		us_frame_encoding_begin(src, dest, V4L2_PIX_FMT_JPEG);
+		usleep(5000); // Просто чтобы работала логика desired_fps
+		dest->encode_end_ts = us_get_now_monotonic(); // us_frame_encoding_end()
 	}
 
 	US_LOG_VERBOSE("Compressed new JPEG: size=%zu, time=%0.3Lf, worker=%s, buffer=%u",
@@ -234,9 +230,14 @@ static bool _worker_run_job(us_worker_s *wr) {
 		job->dest->encode_end_ts - job->dest->encode_begin_ts,
 		wr->name,
 		job->hw->buf.index);
+
 	return true;
 
-error:
-	US_LOG_ERROR("Compression failed: worker=%s, buffer=%u", wr->name, job->hw->buf.index);
-	return false;
+	error:
+		US_LOG_ERROR("Compression failed: worker=%s, buffer=%u", wr->name, job->hw->buf.index);
+		US_LOG_ERROR("Error while compressing buffer, falling back to CPU");
+		US_MUTEX_LOCK(_ER(mutex));
+		_ER(cpu_forced) = true;
+		US_MUTEX_UNLOCK(_ER(mutex));
+		return false;
 }

src/ustreamer/encoder.h

@@ -2,7 +2,7 @@
 #                                                                            #
 #    uStreamer - Lightweight and fast MJPEG-HTTP streamer.                   #
 #                                                                            #
-#    Copyright (C) 2018-2024  Maxim Devaev <mdevaev@gmail.com>               #
+#    Copyright (C) 2018-2023  Maxim Devaev <mdevaev@gmail.com>               #
 #                                                                            #
 #    This program is free software: you can redistribute it and/or modify    #
 #    it under the terms of the GNU General Public License as published by    #
@@ -22,59 +22,71 @@
 
 #pragma once
 
+#include <stdlib.h>
+#include <stdbool.h>
+#include <strings.h>
+#include <assert.h>
+
 #include <pthread.h>
+#include <linux/videodev2.h>
 
-#include "../libs/types.h"
+#include "../libs/tools.h"
+#include "../libs/array.h"
+#include "../libs/threading.h"
+#include "../libs/logging.h"
 #include "../libs/frame.h"
-#include "../libs/capture.h"
 
+#include "device.h"
 #include "workers.h"
 #include "m2m.h"
 
+#include "encoders/cpu/encoder.h"
+#include "encoders/hw/encoder.h"
 
-#define ENCODER_TYPES_STR "CPU, HW, M2M-VIDEO, M2M-IMAGE"
 
+#define ENCODER_TYPES_STR "CPU, HW, M2M-VIDEO, M2M-IMAGE, NOOP"
 
 typedef enum {
+	US_ENCODER_TYPE_UNKNOWN, // Only for us_encoder_parse_type() and main()
 	US_ENCODER_TYPE_CPU,
 	US_ENCODER_TYPE_HW,
 	US_ENCODER_TYPE_M2M_VIDEO,
 	US_ENCODER_TYPE_M2M_IMAGE,
+	US_ENCODER_TYPE_NOOP,
 } us_encoder_type_e;
 
 typedef struct {
 	us_encoder_type_e	type;
-	uint				quality;
+	unsigned			quality;
+	bool				cpu_forced;
 	pthread_mutex_t		mutex;
 
-	uint				n_m2ms;
+	unsigned			n_m2ms;
 	us_m2m_encoder_s	**m2ms;
-
-	us_workers_pool_s	*pool;
 } us_encoder_runtime_s;
 
 typedef struct {
 	us_encoder_type_e	type;
-	uint				n_workers;
+	unsigned			n_workers;
 	char				*m2m_path;
 
 	us_encoder_runtime_s *run;
 } us_encoder_s;
 
 typedef struct {
-	us_encoder_s		*enc;
-	us_capture_hwbuf_s	*hw;
-	us_frame_s			*dest;
+	us_encoder_s	*enc;
+	us_hw_buffer_s	*hw;
+	us_frame_s		*dest;
 } us_encoder_job_s;
 
 
 us_encoder_s *us_encoder_init(void);
 void us_encoder_destroy(us_encoder_s *enc);
 
-int us_encoder_parse_type(const char *str);
+us_encoder_type_e us_encoder_parse_type(const char *str);
 const char *us_encoder_type_to_string(us_encoder_type_e type);
 
-void us_encoder_open(us_encoder_s *enc, us_capture_s *cap);
-void us_encoder_close(us_encoder_s *enc);
+us_workers_pool_s *us_encoder_workers_pool_init(us_encoder_s *enc, us_device_s *dev);
+void us_encoder_get_runtime_params(us_encoder_s *enc, us_encoder_type_e *type, unsigned *quality);
 
-void us_encoder_get_runtime_params(us_encoder_s *enc, us_encoder_type_e *type, uint *quality);
+int us_encoder_compress(us_encoder_s *enc, unsigned worker_number, us_frame_s *src, us_frame_s *dest);