void GStreamerWrapper::stop()
{
if ( m_GstPipeline != NULL )
{
// "Hack" for stopping ...
gst_element_set_state( m_GstPipeline, GST_STATE_PAUSED );
if ( m_PlayDirection == FORWARD )
seekFrame( 0 );
else if ( m_PlayDirection == BACKWARD )
seekFrame( m_iDurationInNs );
m_CurrentPlayState = STOPPED;
}
}
//==============================================================================
bool cVideo::getFrame(int a_index, cImage &a_image)
{
// find frame at requested index
bool newFrame = seekFrame(a_index);
// check if image needs to be initialized
if (!a_image.isInitialized() ||
a_image.getWidth() != m_width ||
a_image.getHeight() != m_height ||
a_image.getFormat() != GL_RGB ||
a_image.getType() != GL_UNSIGNED_BYTE)
{
a_image.allocate(m_width, m_height, GL_RGB, GL_UNSIGNED_BYTE);
if (a_image.setProperties(m_width, m_height, GL_RGB, GL_UNSIGNED_BYTE) == false)
{
return false;
}
}
// copy the frame buffer to the image
if (!memcpy (a_image.getData(), m_data, 3*m_width*m_height))
{
return false;
}
return newFrame;
}
/*********************************
* RSAT_decoder_init:
* Decoder initialization routine. */
bin_state *RSAT_decoder_init(char *inN,char *outN,readPulseFunc *reader)
{
bin_state *s=new_bin_state();
RSAT_frame aux_frame;
asfPrintStatus(" Initializing RSAT decoder...\n");
*reader=RSAT_readNextPulse;
RSAT_init(s);
openBinary(s,inN);
/*Seek to first valid auxiliary data record.*/
while (RSAT_readNextFrame(s,&aux_frame)->is_aux!=1
|| 0==RSAT_auxIsImaging(&aux_frame.aux)) {}
/*Update satellite parameters based on auxiliary data record.*/
RSAT_auxUpdate(&aux_frame.aux,s);
/*Write pulse replica.*/
RSAT_writeReplica(s,outN,1.0);
seekFrame(s,0);
return s;
}
/**
\brief Seek to millisecond
**/
bool DecodeThread::seekMs(int tsms)
{
//printf("**** SEEK TO ms %d. LLT: %d. LT: %d. LLF: %d. LF: %d. LastFrameOk: %d\n",tsms,LastLastFrameTime,LastFrameTime,LastLastFrameNumber,LastFrameNumber,(int)LastFrameOk);
cout << "tsms" << tsms << endl;
// Convert time into frame number
qint64 DesiredFrameNumber = av_rescale(tsms,pFormatCtx->streams[videoStream]->time_base.den,pFormatCtx->streams[videoStream]->time_base.num);
DesiredFrameNumber/=1000;
return seekFrame(DesiredFrameNumber);
}
void
TimeLine::goToNextKeyframe()
{
///runs only in the main thread
assert( QThread::currentThread() == qApp->thread() );
_keyframes.sort();
std::list<SequenceTime>::iterator upperBound = std::upper_bound(_keyframes.begin(), _keyframes.end(), _currentFrame);
if ( upperBound != _keyframes.end() ) {
seekFrame(*upperBound,NULL,Natron::PLAYBACK_SEEK);
}
}
void VideoDecoder::seekFile(int ms)
{
qDebug() << "seekFile();";
// avformat_seek_file(formatContext, audioStream,INT64_MIN, ms, INT64_MAX, 0 );
if(!init)
return;
int64_t desiredFrameNumber = av_rescale(ms, videoFormatContext->streams[videoStream]->time_base.den, videoFormatContext->streams[videoStream]->time_base.num);
desiredFrameNumber/=1000;
seekFrame(desiredFrameNumber);
baseTime = 0;
}
void GStreamerWrapper::setPosition( float fPos )
{
if( fPos < 0.0 )
fPos = 0.0;
else if( fPos > 1.0 )
fPos = 1.0;
m_dCurrentTimeInMs = fPos * m_dCurrentTimeInMs;
m_iCurrentFrameNumber = fPos * m_iNumberOfFrames;
m_iCurrentTimeInNs = fPos * m_iDurationInNs;
seekFrame( m_iCurrentTimeInNs );
}
/**
\brief Seek to millisecond
**/
bool QVideoDecoder::seekMs(int tsms)
{
if(!ok)
return false;
//printf("**** SEEK TO ms %d. LLT: %d. LT: %d. LLF: %d. LF: %d. LastFrameOk: %d\n",tsms,LastLastFrameTime,LastFrameTime,LastLastFrameNumber,LastFrameNumber,(int)LastFrameOk);
// Convert time into frame number
DesiredFrameNumber = ffmpeg::av_rescale(tsms,pFormatCtx->streams[videoStream]->time_base.den,pFormatCtx->streams[videoStream]->time_base.num);
DesiredFrameNumber/=1000;
return seekFrame(DesiredFrameNumber);
}
void seek(int nDiff)
{
if (!isPlayerOn())
{
displayMessage("Seeking is only supported in playback mode!");
return;
}
seekFrame(nDiff);
// now step the last one (that way, if seek is not supported, as in sensor, at least one frame
// will be read).
g_bPause = false;
g_bStep = true;
}
//==============================================================================
bool cVideo::getFramePointer(int a_index, cImage &a_image)
{
// find frame at requested index
bool newFrame = seekFrame(a_index);
// set image data to point to the actual frame buffer
a_image.setData(m_data, 3*m_width*m_height, false);
// set image properties
if (a_image.setProperties(m_width, m_height, GL_RGB, GL_UNSIGNED_BYTE) == false)
{
return false;
}
return newFrame;
}
//==============================================================================
bool cVideo::seek(double a_time)
{
return seekFrame((int)(a_time*m_fps));
}
void GStreamerWrapper::setTimePositionInNs( gint64 iTargetTimeInNs )
{
m_iCurrentTimeInNs = iTargetTimeInNs;
seekFrame( m_iCurrentTimeInNs );
}
void GStreamerWrapper::setTimePositionInMs( double dTargetTimeInMs )
{
m_dCurrentTimeInMs = dTargetTimeInMs;
seekFrame( m_dCurrentTimeInMs * 1000000 );
}
