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refactoring

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This commit is contained in:
Maxim Devaev
2022-07-08 20:29:57 +03:00
parent 3f45debca0
commit 50e8469a59
3 changed files with 109 additions and 49 deletions
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56
janus/src/plugin.c
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@@ -31,7 +31,6 @@
#include <sys/mman.h>
#include <sys/stat.h>
#include <linux/videodev2.h>
#include <pthread.h>
#include <jansson.h>
@@ -50,6 +49,7 @@
#include "tc358743.h"
#include "rtpv.h"
#include "rtpa.h"
#include "memsinkfd.h"
static int _plugin_init(janus_callbacks *gw, const char *config_file_path);
@@ -74,8 +74,9 @@ static const char *_plugin_get_name(void) { return PLUGIN_NAME; }
static const char *_plugin_get_author(void) { return "Maxim Devaev <mdevaev@gmail.com>"; }
static const char *_plugin_get_package(void) { return PLUGIN_PACKAGE; }
// Just a stub to avoid logging spam about the plugin's purpose.
static void _plugin_incoming_rtp(UNUSED janus_plugin_session *handle, UNUSED janus_plugin_rtp *packet) {}
static void _plugin_incoming_rtp(UNUSED janus_plugin_session *handle, UNUSED janus_plugin_rtp *packet) {
// Just a stub to avoid logging spam about the plugin's purpose
}
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Woverride-init"
@@ -118,10 +119,6 @@ typedef struct _client_sx {
static char *_g_video_sink_name = NULL;
const long double _g_sink_wait_timeout = 1;
const long double _g_sink_lock_timeout = 1;
const useconds_t _g_sink_lock_polling = 1000;
static char *_g_audio_dev_name = NULL;
static char *_g_tc358743_dev_path = NULL;
@@ -150,46 +147,6 @@ static atomic_bool _g_has_watchers = false;
#define HAS_WATCHERS atomic_load(&_g_has_watchers)
static int _wait_frame(int fd, memsink_shared_s* mem, uint64_t last_id) {
long double deadline_ts = get_now_monotonic() + _g_sink_wait_timeout;
long double now;
do {
int result = flock_timedwait_monotonic(fd, _g_sink_lock_timeout);
now = get_now_monotonic();
if (result < 0 && errno != EWOULDBLOCK) {
JLOG_PERROR("video", "Can't lock memsink");
return -1;
} else if (result == 0) {
if (mem->magic == MEMSINK_MAGIC && mem->version == MEMSINK_VERSION && mem->id != last_id) {
return 0;
}
if (flock(fd, LOCK_UN) < 0) {
JLOG_PERROR("video", "Can't unlock memsink");
return -1;
}
}
usleep(_g_sink_lock_polling);
} while (now < deadline_ts);
return -2;
}
static int _get_frame(int fd, memsink_shared_s *mem, frame_s *frame, uint64_t *frame_id) {
frame_set_data(frame, mem->data, mem->used);
FRAME_COPY_META(mem, frame);
*frame_id = mem->id;
mem->last_client_ts = get_now_monotonic();
int retval = 0;
if (frame->format != V4L2_PIX_FMT_H264) {
JLOG_ERROR("video", "Got non-H264 frame from memsink");
retval = -1;
}
if (flock(fd, LOCK_UN) < 0) {
JLOG_PERROR("video", "Can't unlock memsink");
retval = -1;
}
return retval;
}
static void _relay_rtp_clients(const rtp_s *rtp) {
janus_plugin_rtp packet = {0};
packet.video = rtp->video;
@@ -242,9 +199,9 @@ static void *_clients_video_thread(UNUSED void *arg) {
JLOG_INFO("video", "Memsink opened; reading frames ...");
while (!STOP && HAS_WATCHERS) {
int result = _wait_frame(fd, mem, frame_id);
int result = memsink_fd_wait_frame(fd, mem, frame_id);
if (result == 0) {
if (_get_frame(fd, mem, frame, &frame_id) != 0) {
if (memsink_fd_get_frame(fd, mem, frame, &frame_id) != 0) {
goto close_memsink;
}
LOCK;
@@ -603,6 +560,7 @@ static struct janus_plugin_result *_plugin_handle_message(
FREE_MSG_JSEP;
return janus_plugin_result_new(JANUS_PLUGIN_OK_WAIT, NULL, NULL);
# undef PUSH_STATUS
# undef PUSH_ERROR
# undef FREE_MSG_JSEP
}