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janus: non-tc358743 devices for acap suppurted

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An alternative implementation of pikvm/ustreamer#304.
Thanks for the idea.
This commit is contained in:
Maxim Devaev 2025-10-23 00:35:33 +03:00
parent 9a5cce3b92
commit 0e4bf31325
3 changed files with 35 additions and 6 deletions
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22
janus/src/config.c
View File

@ -28,6 +28,7 @@
#include <janus/config.h>
#include <janus/plugins/plugin.h>
#include "uslibs/types.h"
#include "uslibs/tools.h"
#include "const.h"
@ -35,6 +36,7 @@
static char *_get_value(janus_config *jcfg, const char *section, const char *option);
static uint _get_uint(janus_config *jcfg, const char *section, const char *option, uint def);
// static bool _get_bool(janus_config *jcfg, const char *section, const char *option, bool def);
@ -60,8 +62,10 @@ us_config_s *us_config_init(const char *config_dir_path) {
goto error;
}
if ((config->acap_dev_name = _get_value(jcfg, "acap", "device")) != NULL) {
if ((config->tc358743_dev_path = _get_value(jcfg, "acap", "tc358743")) == NULL) {
US_JLOG_INFO("config", "Missing config value: acap.tc358743");
config->acap_hz = _get_uint(jcfg, "acap", "sampling_rate", 0);
config->tc358743_dev_path = _get_value(jcfg, "acap", "tc358743");
if (config->acap_hz == 0 && config->tc358743_dev_path == NULL) {
US_JLOG_ERROR("config", "Either acap.sampling_rate or acap.tc358743 required");
goto error;
}
config->aplay_dev_name = _get_value(jcfg, "aplay", "device");
@ -95,6 +99,20 @@ static char *_get_value(janus_config *jcfg, const char *section, const char *opt
return us_strdup(option_obj->value);
}
static uint _get_uint(janus_config *jcfg, const char *section, const char *option, uint def) {
char *const tmp = _get_value(jcfg, section, option);
uint value = def;
if (tmp != NULL) {
errno = 0;
value = (uint)strtoul(tmp, NULL, 10);
if (errno != 0) {
value = def;
}
free(tmp);
}
return value;
}
/*static bool _get_bool(janus_config *jcfg, const char *section, const char *option, bool def) {
char *const tmp = _get_value(jcfg, section, option);
bool value = def;

4
janus/src/config.h
View File

@ -23,10 +23,14 @@
#pragma once
#include "uslibs/types.h"
typedef struct {
char *video_sink_name;
char *acap_dev_name;
uint acap_hz;
char *tc358743_dev_path;
char *aplay_dev_name;

15
janus/src/plugin.c
View File

@ -214,7 +214,15 @@ static void *_video_sink_thread(void *arg) {
return NULL;
}
static int _check_tc358743_acap(uint *hz) {
static int _get_acap_hz(uint *hz) {
if (_g_config->acap_hz != 0) {
*hz = _g_config->acap_hz;
return 0;
}
if (_g_config->tc358743_dev_path == NULL) {
US_JLOG_ERROR("acap", "No configured sampling rate");
return -1;
}
int fd;
if ((fd = open(_g_config->tc358743_dev_path, O_RDWR)) < 0) {
US_JLOG_PERROR("acap", "Can't open TC358743 V4L2 device");
@ -236,7 +244,6 @@ static void *_acap_thread(void *arg) {
atomic_store(&_g_acap_tid_created, true);
assert(_g_config->acap_dev_name != NULL);
assert(_g_config->tc358743_dev_path != NULL);
assert(_g_rtpa != NULL);
int once = 0;
@ -254,7 +261,7 @@ static void *_acap_thread(void *arg) {
US_ONCE({ US_JLOG_ERROR("acap", "No PCM capture device"); });
goto close_acap;
}
if (_check_tc358743_acap(&hz) < 0) {
if (_get_acap_hz(&hz) < 0) {
goto close_acap;
}
if (hz == 0) {
@ -269,7 +276,7 @@ static void *_acap_thread(void *arg) {
once = 0;
while (!_STOP && _HAS_WATCHERS && _HAS_LISTENERS) {
if (_check_tc358743_acap(&hz) < 0 || acap->pcm_hz != hz) {
if (_get_acap_hz(&hz) < 0 || acap->pcm_hz != hz) {
goto close_acap;
}
uz size = US_RTP_DATAGRAM_SIZE - US_RTP_HEADER_SIZE;