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Copy pathVideoGenerator.cpp
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71 lines (58 loc) · 1.47 KB
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#include "VideoGenerator.hpp"
#include <AvTranscoder/transform/VideoTransform.hpp>
namespace avtranscoder
{
VideoGenerator::VideoGenerator()
: _inputFrame( NULL )
, _blackImage( NULL )
, _frameDesc()
{
}
VideoGenerator::~VideoGenerator()
{
delete _blackImage;
}
void VideoGenerator::setVideoFrameDesc( const VideoFrameDesc& frameDesc )
{
_frameDesc = frameDesc;
}
void VideoGenerator::setNextFrame( Frame& inputFrame )
{
_inputFrame = &inputFrame;
}
bool VideoGenerator::decodeNextFrame( Frame& frameBuffer )
{
// Generate black image
if( ! _inputFrame )
{
// Generate the black image only once
if( ! _blackImage )
{
// @todo support PAL (0 to 255) and NTFS (16 to 235)
char fillChar = 0;
// input of convert
VideoFrameDesc desc( _frameDesc );
desc.setPixelFormat( "rgb24" );
VideoFrame intermediateBuffer( desc );
intermediateBuffer.assign( _frameDesc.getDataSize(), fillChar );
// output of convert
VideoFrame& imageBuffer = static_cast<VideoFrame&>( frameBuffer );
_blackImage = new VideoFrame( imageBuffer.desc() );
// convert and store the black image
VideoTransform videoTransform;
videoTransform.convert( intermediateBuffer, *_blackImage );
}
frameBuffer.refData( *_blackImage );
}
// Take image from _inputFrame
else
{
frameBuffer.refData( _inputFrame->getData(), _inputFrame->getSize() );
}
return true;
}
bool VideoGenerator::decodeNextFrame( Frame& frameBuffer, const size_t subStreamIndex )
{
return false;
}
}