MovieWriter::Obj::Obj( const fs::path &path, int32_t width, int32_t height, const Format &format )
: mPath( path ), mWidth( width ), mHeight( height ), mFormat( format ), mFinished( false )
{
OSErr err = noErr;
Handle dataRef;
OSType dataRefType;
startQuickTime();
//Create movie file
CFStringRef strDestMoviePath = ::CFStringCreateWithCString( kCFAllocatorDefault, path.string().c_str(), kCFStringEncodingUTF8 );
err = ::QTNewDataReferenceFromFullPathCFString( strDestMoviePath, kQTNativeDefaultPathStyle, 0, &dataRef, &dataRefType );
::CFRelease( strDestMoviePath );
if( err )
throw MovieWriterExcInvalidPath();
// Create a movie for this file (data ref)
err = ::CreateMovieStorage( dataRef, dataRefType, 'TVOD', smCurrentScript, createMovieFileDeleteCurFile | createMovieFileDontCreateResFile, &mDataHandler, &mMovie );
::DisposeHandle( dataRef );
if( err )
throw MovieWriterExc();
mTrack = ::NewMovieTrack( mMovie, width << 16, height << 16, 0 );
err = ::GetMoviesError();
if( err )
throw MovieWriterExc();
//Create track media
mMedia = ::NewTrackMedia( mTrack, ::VideoMediaType, mFormat.mTimeBase, 0, 0 );
err = ::GetMoviesError();
if( err )
throw MovieWriterExc();
//Prepare media for editing
err = ::BeginMediaEdits( mMedia );
mRequestedMultiPass = false;
mDoingMultiPass = false;
createCompressionSession();
mCurrentTimeValue = 0;
mNumFrames = 0;
}
void UBQuickTimeFile::run()
{
EnterMoviesOnThread(kCSAcceptThreadSafeComponentsOnlyMode);
mSouldStopCompression = false;
mPendingFrames = 0;
createCompressionSession();
mCompressionSessionRunning = true;
emit compressionSessionStarted();
while(!mSouldStopCompression)
{
frameQueueMutex.lock();
//qDebug() << "run .... wait" << QTime::currentTime();
frameBufferNotEmpty.wait(&UBQuickTimeFile::frameQueueMutex);
//qDebug() << "awakend ..." << QTime::currentTime();
if (!frameQueue.isEmpty())
{
QQueue<VideoFrame> localQueue = frameQueue;
frameQueue.clear();
frameQueueMutex.unlock();
while (!localQueue.isEmpty())
{
VideoFrame frame = localQueue.dequeue();
appendVideoFrame(frame.buffer, frame.timestamp);
}
}
else
{
frameQueueMutex.unlock();
}
}
flushPendingFrames();
}
