void VideoReader::init()
{
// analyse InputFile
avtranscoder::NoDisplayProgress p;
_inputFile->analyse( p );
_streamProperties = &_inputFile->getProperties().getStreamPropertiesWithIndex(_streamIndex);
_videoStreamProperties = static_cast<const VideoProperties*>(_streamProperties);
_inputFile->activateStream( _streamIndex );
// setup decoder
_decoder = new VideoDecoder( _inputFile->getStream( _streamIndex ) );
_decoder->setupDecoder();
// create src frame
_srcFrame = new VideoFrame( _inputFile->getStream( _streamIndex ).getVideoCodec().getVideoFrameDesc() );
VideoFrame* srcFrame = static_cast<VideoFrame*>(_srcFrame);
// create dst frame
if( _width == 0 )
_width = srcFrame->desc().getWidth();
if( _height == 0 )
_height = srcFrame->desc().getHeight();
VideoFrameDesc videoFrameDescToDisplay( _width, _height, getPixelFormat() );
_dstFrame = new VideoFrame( videoFrameDescToDisplay );
// create transform
_transform = new VideoTransform();
}
AvReader::AvReader( const std::string& filename )
: _inputFile( filename )
, _inputVideo( NULL )
, _sourceImage( NULL )
, _imageToDisplay( NULL )
, _videoTransform()
, _videoStream( 0 )
{
avtranscoder::NoDisplayProgress p;
_inputFile.analyse( p );
_videoStream = _inputFile.getProperties().getVideoProperties().at(0).getStreamId();
_inputFile.activateStream( _videoStream );
_inputVideo = new avtranscoder::VideoDecoder( _inputFile.getStream( _videoStream ) );
_inputVideo->setup();
_sourceImage = new avtranscoder::VideoFrame( _inputFile.getStream( _videoStream ).getVideoCodec().getVideoFrameDesc() );
avtranscoder::VideoFrameDesc videoFrameDescToDisplay( _sourceImage->desc().getWidth(), _sourceImage->desc().getHeight(), "rgb24" );
_imageToDisplay = new avtranscoder::VideoFrame( videoFrameDescToDisplay );
}
