void MainCanvas::renderTree()
{
preRender();
DisplayEngine* pDisplayEngine = getPlayer()->getDisplayEngine();
unsigned numWindows = pDisplayEngine->getNumWindows();
for (unsigned i=0; i<numWindows; ++i) {
ScopeTimer Timer(RootRenderProfilingZone);
WindowPtr pWindow = pDisplayEngine->getWindow(i);
IntRect viewport = pWindow->getViewport();
renderWindow(pWindow, MCFBOPtr(), viewport);
}
GLContextManager::get()->reset();
}
VideoWriter::VideoWriter(CanvasPtr pCanvas, const string& sOutFileName, int frameRate,
int qMin, int qMax, bool bSyncToPlayback)
: m_pCanvas(pCanvas),
m_sOutFileName(sOutFileName),
m_FrameRate(frameRate),
m_QMin(qMin),
m_QMax(qMax),
m_bHasValidData(false),
m_bSyncToPlayback(bSyncToPlayback),
m_bPaused(false),
m_PauseTime(0),
m_bStopped(false),
m_CurFrame(0),
m_StartTime(-1),
m_bFramePending(false)
{
if (!pCanvas) {
throw Exception(AVG_ERR_INVALID_ARGS, "VideoWriter needs a canvas to write to.");
}
if (GLContext::getCurrent()->isGLES()) {
throw Exception(AVG_ERR_UNSUPPORTED, "VideoWriter not supported under GLES.");
}
#ifdef WIN32
int fd = _open(m_sOutFileName.c_str(), O_RDWR | O_CREAT, _S_IREAD | _S_IWRITE);
#elif defined __linux__
int fd = open64(m_sOutFileName.c_str(), O_RDWR | O_CREAT, S_IRWXU);
#else
int fd = open(m_sOutFileName.c_str(), O_RDWR | O_CREAT, S_IRWXU);
#endif
if (fd == -1) {
throw Exception(AVG_ERR_VIDEO_INIT_FAILED,
string("Could not open output file '") + m_sOutFileName + "'. Reason: " +
strerror(errno));
}
#ifdef WIN32
_close(fd);
#else
close(fd);
#endif
remove(m_sOutFileName.c_str());
CanvasPtr pMainCanvas = Player::get()->getMainCanvas();
DisplayEngine* pDisplayEngine = Player::get()->getDisplayEngine();
if (pMainCanvas == m_pCanvas) {
m_FrameSize = pDisplayEngine->getWindowSize();
} else {
m_FrameSize = m_pCanvas->getSize();
GLContext* pOldContext = GLContext::getCurrent();
m_pMainGLContext = pDisplayEngine->getWindow(0)->getGLContext();
m_pMainGLContext->activate();
m_pFBO = dynamic_pointer_cast<OffscreenCanvas>(m_pCanvas)->
getFBO(m_pMainGLContext);
if (GLContext::getCurrent()->useGPUYUVConversion()) {
m_pFilter = GPURGB2YUVFilterPtr(new GPURGB2YUVFilter(m_FrameSize));
}
pOldContext->activate();
}
VideoWriterThread writer(m_CmdQueue, m_sOutFileName, m_FrameSize, m_FrameRate,
qMin, qMax);
m_pThread = new boost::thread(writer);
m_pCanvas->registerPlaybackEndListener(this);
m_pCanvas->registerFrameEndListener(this);
}