bool V4L2encRecorder::PauseAndWait(int timeout)
{
QMutexLocker locker(&m_pauseLock);
if (m_request_pause)
{
if (!IsPaused(true))
{
LOG(VB_RECORD, LOG_INFO, LOC + "PauseAndWait() -- pause");
StopEncoding();
m_paused = true;
m_pauseWait.wakeAll();
if (m_tvrec)
m_tvrec->RecorderPaused();
}
}
else if (IsPaused(true))
{
LOG(VB_RECORD, LOG_INFO, LOC + "PauseAndWait() -- unpause");
StartEncoding();
if (m_stream_data)
m_stream_data->Reset(m_stream_data->DesiredProgram());
m_paused = false;
}
// Always wait a little bit, unless woken up
m_unpauseWait.wait(&m_pauseLock, timeout);
return IsPaused(true);
}
void V4L2encStreamHandler::RestartEncoding(void)
{
LOG(VB_RECORD, LOG_INFO, LOC + "RestartEncoding()");
StopEncoding();
StartEncoding();
}
void V4L2encRecorder::run(void)
{
LOG(VB_RECORD, LOG_INFO, LOC + "run() -- begin");
bool failing, failed;
bool is_TS = false;
if (!m_stream_data)
{
m_error = "MPEGStreamData pointer has not been set";
LOG(VB_GENERAL, LOG_ERR, LOC + "run() -- " + m_error);
Close();
return;
}
m_stream_handler->Configure();
{
QMutexLocker locker(&m_pauseLock);
m_request_recording = true;
m_recording = true;
m_recordingWait.wakeAll();
}
if (m_channel->HasGeneratedPAT())
{
const ProgramAssociationTable *pat = m_channel->GetGeneratedPAT();
const ProgramMapTable *pmt = m_channel->GetGeneratedPMT();
m_stream_data->Reset(pat->ProgramNumber(0));
m_stream_data->HandleTables(MPEG_PAT_PID, *pat);
m_stream_data->HandleTables(pat->ProgramPID(0), *pmt);
LOG(VB_GENERAL, LOG_INFO, LOC + "PMT set"); // debugging
}
StartNewFile();
is_TS = (m_stream_handler->GetStreamType() == V4L2_MPEG_STREAM_TYPE_MPEG2_TS);
if (is_TS)
{
LOG(VB_RECORD, LOG_INFO, LOC + "mpeg2ts");
m_stream_data->AddAVListener(this);
m_stream_data->AddWritingListener(this);
}
else
{
LOG(VB_RECORD, LOG_INFO, LOC + "program stream (non mpeg2ts)");
m_stream_data->AddPSStreamListener(this);
}
m_stream_handler->AddListener(m_stream_data, false, true);
StartEncoding();
while (IsRecordingRequested() && !IsErrored())
{
if (PauseAndWait())
continue;
if (is_TS && !m_input_pmt)
{
LOG(VB_GENERAL, LOG_WARNING, LOC +
"Recording will not commence until a PMT is set.");
std::this_thread::sleep_for(std::chrono::milliseconds(5));
continue;
}
if (!m_stream_handler->Status(failed, failing))
{
if (failed)
{
m_error = "Stream handler died unexpectedly.";
LOG(VB_GENERAL, LOG_ERR, LOC + "run() -- " + m_error);
}
else if (failing)
{
SetRecordingStatus(RecStatus::Failing, __FILE__, __LINE__);
}
}
}
LOG(VB_RECORD, LOG_INFO, LOC + "Shutting down");
StopEncoding();
m_stream_handler->RemoveListener(m_stream_data);
if (m_stream_handler->GetStreamType() == V4L2_MPEG_STREAM_TYPE_MPEG2_TS)
{
m_stream_data->RemoveWritingListener(this);
m_stream_data->RemoveAVListener(this);
}
else
m_stream_data->RemovePSStreamListener(this);
Close();
FinishRecording();
QMutexLocker locker(&m_pauseLock);
m_recording = false;
m_recordingWait.wakeAll();
LOG(VB_RECORD, LOG_INFO, LOC + "run() -- end");
}
