void GPUFilter::setDimensions(const IntPoint& srcSize, const IntRect& destRect,
unsigned texMode)
{
bool bProjectionChanged = false;
if (destRect != m_DestRect) {
m_pFBOs.clear();
for (unsigned i=0; i<m_NumTextures; ++i) {
FBOPtr pFBO = FBOPtr(new FBO(destRect.size(), m_PFDest, 1, 1, false,
m_bMipmap));
m_pFBOs.push_back(pFBO);
}
m_DestRect = destRect;
bProjectionChanged = true;
}
if (m_bStandalone && srcSize != m_SrcSize) {
m_pSrcTex = GLTexturePtr(new GLTexture(srcSize, m_PFSrc, false, texMode,
texMode));
m_pSrcPBO = PBOPtr(new PBO(srcSize, m_PFSrc, GL_STREAM_DRAW));
bProjectionChanged = true;
}
m_SrcSize = srcSize;
if (bProjectionChanged) {
m_pProjection = ImagingProjectionPtr(new ImagingProjection(srcSize, destRect));
}
}
void OffscreenCanvas::initPlayback()
{
m_bUseMipmaps = getMipmap();
m_pFBO = FBOPtr(new FBO(getSize(), B8G8R8A8, 1, getMultiSampleSamples(), true,
m_bUseMipmaps));
Canvas::initPlayback(getMultiSampleSamples());
m_bIsRendered = false;
}
void VideoWriter::stop()
{
if (!m_bStopped) {
getFrameFromPBO();
if (!m_bHasValidData) {
writeDummyFrame();
}
m_bStopped = true;
m_CmdQueue.pushCmd(boost::bind(&VideoWriterThread::stop, _1));
m_pCanvas->unregisterFrameEndListener(this);
m_pCanvas->unregisterPlaybackEndListener(this);
m_pFBO = FBOPtr();
m_pFilter = GPURGB2YUVFilterPtr();
}
}
void OffscreenCanvas::stopPlayback()
{
m_pFBO = FBOPtr();
Canvas::stopPlayback();
m_bIsRendered = false;
}
bool OffscreenCanvas::isRunning() const
{
return (m_pFBO != FBOPtr());
}
