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FS-10769: [mod_av,mod_conference] Lipsync issues in conference recording

This commit is contained in:
Anthony Minessale 2017-11-27 18:08:14 -06:00 committed by Muteesa Fred
parent 6bd169abc2
commit 2c66f126d7
2 changed files with 35 additions and 14 deletions
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44
src/mod/applications/mod_av/avformat.c
View File

@ -130,6 +130,8 @@ struct av_file_context {
switch_file_handle_t *handle;
int16_t *mux_buf;
switch_size_t mux_buf_len;
switch_time_t last_vid_write;
};
typedef struct av_file_context av_file_context_t;
@ -1845,8 +1847,8 @@ static switch_status_t av_file_write(switch_file_handle_t *handle, void *data, s
// uint32_t size = 0;
uint32_t bytes;
int inuse;
int sample_start;
int sample_start = 0;
if (!switch_test_flag(handle, SWITCH_FILE_FLAG_WRITE)) {
return SWITCH_STATUS_FALSE;
}
@ -1901,12 +1903,38 @@ GCC_DIAG_ON(deprecated-declarations)
}
}
if (context->video_timer.interval) {
int delta;
switch_core_timer_sync(&context->video_timer);
delta = context->video_timer.samplecount - context->last_vid_write;
if (delta >= 60) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_WARNING, "Video timer sync: %ld/%d %ld\n", context->audio_st[0].next_pts, context->video_timer.samplecount, context->audio_st[0].next_pts- context->video_timer.samplecount);
sample_start = context->video_timer.samplecount * (handle->samplerate / 1000);
}
context->last_vid_write = context->video_timer.samplecount;
}
if (sample_start) {
int j = 0;
for (j = 0; j < 2; j++) {
if (context->audio_st[j].active) {
context->audio_st[j].next_pts = sample_start;
}
}
}
while ((inuse = switch_buffer_inuse(context->audio_buffer)) >= bytes) {
AVPacket pkt[2] = { {0} };
int got_packet[2] = {0};
int j = 0, ret = -1, audio_stream_count = 1;
AVFrame *use_frame = NULL;
av_init_packet(&pkt[0]);
av_init_packet(&pkt[1]);
@ -1936,16 +1964,6 @@ GCC_DIAG_ON(deprecated-declarations)
switch_buffer_read(context->audio_buffer, context->audio_st[0].frame->data[0], bytes);
}
/* Sync all audio stream timestamps to video timer */
if (context->video_timer.interval) {
switch_core_timer_sync(&context->video_timer);
sample_start = context->video_timer.samplecount * (handle->samplerate / 1000);
for (j = 0; j < audio_stream_count; j++) {
context->audio_st[j].next_pts = sample_start;
}
}
for (j = 0; j < audio_stream_count; j++) {
av_frame_make_writable(context->audio_st[j].frame);

5
src/mod/applications/mod_conference/conference_video.c
View File

@ -3071,7 +3071,9 @@ void *SWITCH_THREAD_FUNC conference_video_muxing_thread_run(switch_thread_t *thr
canvas->video_count = last_video_count = video_count;
switch_mutex_unlock(conference->member_mutex);
switch_core_timer_next(&canvas->timer);
if (canvas->playing_video_file) {
switch_core_timer_next(&canvas->timer);
}
now = switch_micro_time_now();
@ -3841,6 +3843,7 @@ void *SWITCH_THREAD_FUNC conference_video_muxing_thread_run(switch_thread_t *thr
}
}
switch_core_timer_next(&canvas->timer);
wait_for_canvas(canvas);
for (i = 0; i < canvas->total_layers; i++) {