void Synchronizer::NewSegment() {
if(m_output_format->m_audio_enabled) {
AudioLock audiolock(&m_audio_data);
InitAudioSegment(audiolock.get());
}
SharedLock lock(&m_shared_data);
NewSegment(lock.get());
}
void Synchronizer::NewSegment() {
{
AudioLock audiolock(&m_audio_data);
InitAudioSegment(audiolock.get());
}
SharedLock lock(&m_shared_data);
NewSegment(lock.get());
}
void Synchronizer::Init() {
// initialize video
if(m_output_format->m_video_enabled) {
m_max_frames_skipped = (m_output_settings->video_allow_frame_skipping)? (MAX_FRAME_DELAY * m_output_format->m_video_frame_rate + 500000) / 1000000 : 0;
VideoLock videolock(&m_video_data);
videolock->m_last_timestamp = std::numeric_limits<int64_t>::min();
videolock->m_next_timestamp = SINK_TIMESTAMP_ASAP;
}
// initialize audio
if(m_output_format->m_audio_enabled) {
AudioLock audiolock(&m_audio_data);
audiolock->m_fast_resampler.reset(new FastResampler(m_output_format->m_audio_channels, 0.9f));
InitAudioSegment(audiolock.get());
audiolock->m_warn_desync = true;
}
// create sync diagram
if(g_option_syncdiagram) {
m_sync_diagram.reset(new SyncDiagram(4));
m_sync_diagram->SetChannelName(0, SyncDiagram::tr("Video in"));
m_sync_diagram->SetChannelName(1, SyncDiagram::tr("Audio in"));
m_sync_diagram->SetChannelName(2, SyncDiagram::tr("Video out"));
m_sync_diagram->SetChannelName(3, SyncDiagram::tr("Audio out"));
m_sync_diagram->show();
}
// initialize shared data
{
SharedLock lock(&m_shared_data);
if(m_output_format->m_audio_enabled) {
lock->m_partial_audio_frame.Alloc(m_output_format->m_audio_frame_size * m_output_format->m_audio_channels);
lock->m_partial_audio_frame_samples = 0;
}
lock->m_video_pts = 0;
lock->m_audio_samples = 0;
lock->m_time_offset = 0;
InitSegment(lock.get());
lock->m_warn_drop_video = true;
}
// start synchronizer thread
m_should_stop = false;
m_error_occurred = false;
m_thread = std::thread(&Synchronizer::SynchronizerThread, this);
}
void Synchronizer::Init() {
// initialize video
if(m_video_encoder != NULL) {
m_video_width = m_video_encoder->GetWidth();
m_video_height = m_video_encoder->GetHeight();
m_video_frame_rate = m_video_encoder->GetFrameRate();
m_video_max_frames_skipped = (m_allow_frame_skipping)? (MAX_FRAME_DELAY * m_video_frame_rate + 500000) / 1000000 : 0;
}
// initialize audio
if(m_audio_encoder != NULL) {
m_audio_sample_rate = m_audio_encoder->GetSampleRate();
m_audio_channels = 2; //TODO// never larger than AV_NUM_DATA_POINTERS
m_audio_required_frame_samples = m_audio_encoder->GetRequiredFrameSamples();
m_audio_required_sample_format = m_audio_encoder->GetRequiredSampleFormat();
switch(m_audio_required_sample_format) {
case AV_SAMPLE_FMT_S16:
#if SSR_USE_AVUTIL_PLANAR_SAMPLE_FMT
case AV_SAMPLE_FMT_S16P:
#endif
m_audio_required_sample_size = m_audio_channels * 2; break;
case AV_SAMPLE_FMT_FLT:
#if SSR_USE_AVUTIL_PLANAR_SAMPLE_FMT
case AV_SAMPLE_FMT_FLTP:
#endif
m_audio_required_sample_size = m_audio_channels * 4; break;
default: assert(false); break;
}
}
// create sync diagram
if(g_option_syncdiagram) {
m_sync_diagram.reset(new SyncDiagram(4));
m_sync_diagram->SetChannelName(0, SyncDiagram::tr("Video in"));
m_sync_diagram->SetChannelName(1, SyncDiagram::tr("Audio in"));
m_sync_diagram->SetChannelName(2, SyncDiagram::tr("Video out"));
m_sync_diagram->SetChannelName(3, SyncDiagram::tr("Audio out"));
m_sync_diagram->show();
}
// initialize video data
{
VideoLock videolock(&m_video_data);
videolock->m_last_timestamp = std::numeric_limits<int64_t>::min();
videolock->m_next_timestamp = SINK_TIMESTAMP_ASAP;
}
// initialize audio data
{
AudioLock audiolock(&m_audio_data);
audiolock->m_fast_resampler.reset(new FastResampler(m_audio_channels, 0.9f));
InitAudioSegment(audiolock.get());
audiolock->m_warn_desync = true;
}
// initialize shared data
{
SharedLock lock(&m_shared_data);
if(m_audio_encoder != NULL) {
lock->m_partial_audio_frame.Alloc(m_audio_required_frame_samples * m_audio_channels);
lock->m_partial_audio_frame_samples = 0;
}
lock->m_video_pts = 0;
lock->m_audio_samples = 0;
lock->m_time_offset = 0;
InitSegment(lock.get());
lock->m_warn_drop_video = true;
}
// start synchronizer thread
m_should_stop = false;
m_error_occurred = false;
m_thread = std::thread(&Synchronizer::SynchronizerThread, this);
}
