mirror of
https://github.com/pikvm/ustreamer.git
synced 2026-02-27 20:26:31 +00:00
81 lines
2.9 KiB
C
81 lines
2.9 KiB
C
/*****************************************************************************
|
|
# #
|
|
# uStreamer - Lightweight and fast MJPG-HTTP streamer. #
|
|
# #
|
|
# Copyright (C) 2018-2021 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 <stddef.h>
|
|
#include <stdint.h>
|
|
#include <stdbool.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <assert.h>
|
|
|
|
#include <linux/videodev2.h>
|
|
|
|
#include "tools.h"
|
|
#include "logging.h"
|
|
|
|
|
|
typedef struct {
|
|
const char *name;
|
|
|
|
uint8_t *data;
|
|
size_t used;
|
|
size_t allocated;
|
|
|
|
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;
|
|
|
|
long double grab_ts;
|
|
long double encode_begin_ts;
|
|
long double encode_end_ts;
|
|
|
|
bool managed;
|
|
} frame_s;
|
|
|
|
|
|
frame_s *frame_init(const char *name);
|
|
void frame_destroy(frame_s *frame);
|
|
|
|
void frame_realloc_data(frame_s *frame, size_t size);
|
|
void frame_set_data(frame_s *frame, const uint8_t *data, size_t size);
|
|
void frame_append_data(frame_s *frame, const uint8_t *data, size_t size);
|
|
|
|
void frame_copy(const frame_s *src, frame_s *dest);
|
|
void frame_copy_meta(const frame_s *src, frame_s *dest);
|
|
bool frame_compare(const frame_s *a, const frame_s *b);
|
|
|
|
unsigned frame_get_padding(const frame_s *frame);
|
|
|
|
const char *fourcc_to_string(unsigned format, char *buf, size_t size);
|
|
|
|
inline bool is_jpeg(unsigned format) {
|
|
return (format == V4L2_PIX_FMT_JPEG || format == V4L2_PIX_FMT_MJPEG);
|
|
}
|