BOOL CVisWarpedVideoComposite<TPixel>::Open( const char* strmname,
int seqidx = -1 )
{
CVisStreamHandler* pStream = OpenStreamHandler( strmname, OF_READWRITE );
if( pStream->FrameCount() > m_uFrameCount )
{
m_uFrameCount = pStream->FrameCount();
}
if( seqidx == -1 || seqidx >= Length() )
{
T_FRAME frm;
frm.SetStreamHandler( pStream, m_uCur );
PushBack( frm );
}
else
{
T_FRAME& frm = At(seqidx);
// deallocate image currently in this slot then
// set the new stream handler
frm.Deallocate();
frm.SetStreamHandler( pStream, m_uCur );
}
}
void IPTVChannel::SetStreamData(MPEGStreamData *sd)
{
LOG(VB_CHANNEL, LOG_INFO, LOC +
QString("SetStreamData(0x%1) StreamHandler(0x%2)")
.arg((intptr_t)sd,0,16).arg((intptr_t)m_stream_handler,0,16));
QMutexLocker locker(&m_lock);
if (m_stream_data == sd)
return;
if (m_stream_handler)
{
if (sd)
m_stream_handler->AddListener(sd);
if (m_stream_data)
m_stream_handler->RemoveListener(m_stream_data);
}
else if (sd)
{
OpenStreamHandler();
m_stream_handler->AddListener(sd);
}
m_stream_data = sd;
}
bool IPTVChannel::Tune(const IPTVTuningData &tuning, bool scanning)
{
QMutexLocker locker(&m_tune_lock);
LOG(VB_CHANNEL, LOG_INFO, LOC + QString("Tune(%1)")
.arg(tuning.GetDeviceName()));
if (tuning.GetDataURL().scheme().toUpper() == "RTSP")
{
// TODO get RTP info using RTSP
}
if (!tuning.IsValid())
{
LOG(VB_CHANNEL, LOG_ERR, LOC + QString("Invalid tuning info %1")
.arg(tuning.GetDeviceName()));
return false;
}
if (m_last_tuning == tuning)
{
LOG(VB_CHANNEL, LOG_DEBUG, LOC + QString("Already tuned to %1")
.arg(tuning.GetDeviceName()));
return true;
}
m_last_tuning = tuning;
if (!m_firsttune || scanning)
// for historical reason, an initial tune is requested at
// startup so don't open the stream handler just yet it will
// be opened after the next Tune or SetStreamData)
{
MPEGStreamData *tmp = m_stream_data;
CloseStreamHandler();
if (tmp)
SetStreamData(tmp);
else
OpenStreamHandler();
}
m_firsttune = false;
LOG(VB_CHANNEL, LOG_INFO, LOC + QString("Tuned to (%1)")
.arg(tuning.GetDeviceName()));
return true;
}
