void SetupAssetReaderWriterForAudio(AVAssetTrack audioTrack)
{
if (audioTrack == null)
{
return;
}
// Decompress to Linear PCM with the asset reader
// To read the media data from a specific asset track in the format in which it was stored, pass null to the settings parameter.
AVAssetReaderOutput output = AVAssetReaderTrackOutput.Create(audioTrack, (AudioSettings)null);
if (assetReader.CanAddOutput(output))
{
assetReader.AddOutput(output);
}
AVAssetWriterInput input = AVAssetWriterInput.Create(audioTrack.MediaType, (AudioSettings)null);
if (assetWriter.CanAddInput(input))
{
assetWriter.AddInput(input);
}
// Create and save an instance of ReadWriteSampleBufferChannel,
// which will coordinate the work of reading and writing sample buffers
audioSampleBufferChannel = new AudioChannel(output, input);
}
public ReadWriteSampleBufferChannel (AVAssetReaderOutput readerOutput, AVAssetWriterInput writerInput)
{
if (readerOutput == null)
throw new ArgumentNullException ("readerOutput");
if (writerInput == null)
throw new ArgumentNullException ("writerInput");
this.readerOutput = readerOutput;
this.writerInput = writerInput;
serializationQueue = new DispatchQueue ("ReadWriteSampleBufferChannel queue");
}
public VideoChannel (AVAssetReaderOutput readerOutput, AVAssetWriterInput writerInput, IVideoTransformer transformer)
: base(readerOutput, writerInput)
{
if (transformer == null)
throw new ArgumentNullException ("transformer");
this.transformer = transformer;
var adaptorAttrs = new CVPixelBufferAttributes {
PixelFormatType = CVPixelFormatType.CV32BGRA
};
adaptor = new AVAssetWriterInputPixelBufferAdaptor (WriterInput, adaptorAttrs);
}
public ReadWriteSampleBufferChannel(AVAssetReaderOutput readerOutput, AVAssetWriterInput writerInput)
{
if (readerOutput == null)
{
throw new ArgumentNullException("readerOutput");
}
if (writerInput == null)
{
throw new ArgumentNullException("writerInput");
}
this.readerOutput = readerOutput;
this.writerInput = writerInput;
serializationQueue = new DispatchQueue("ReadWriteSampleBufferChannel queue");
}
public VideoChannel(AVAssetReaderOutput readerOutput, AVAssetWriterInput writerInput, IVideoTransformer transformer)
: base(readerOutput, writerInput)
{
if (transformer == null)
{
throw new ArgumentNullException("transformer");
}
this.transformer = transformer;
var adaptorAttrs = new CVPixelBufferAttributes {
PixelFormatType = CVPixelFormatType.CV32BGRA
};
adaptor = new AVAssetWriterInputPixelBufferAdaptor(WriterInput, adaptorAttrs);
}
public ReadWriteSampleBufferChannel (AVAssetReaderOutput localAssetReaderOutput,
AVAssetWriterInput localAssetWriterInput,
bool useAdaptor)
{
_assetReaderOutput = localAssetReaderOutput;
_assetWriterInput = localAssetWriterInput;
_useAdaptor = useAdaptor;
if (_useAdaptor) {
var adaptorAttrs = new CVPixelBufferAttributes {
PixelFormatType = CVPixelFormatType.CV32BGRA
};
_adaptor = AVAssetWriterInputPixelBufferAdaptor.FromInput (localAssetWriterInput, adaptorAttrs.Dictionary);
}
_serializationQueue = new DispatchQueue ("ReadWriteSampleBufferChannel queue");
}
public ReadWriteSampleBufferChannel(AVAssetReaderOutput localAssetReaderOutput,
AVAssetWriterInput localAssetWriterInput,
bool useAdaptor)
{
_assetReaderOutput = localAssetReaderOutput;
_assetWriterInput = localAssetWriterInput;
_useAdaptor = useAdaptor;
if (_useAdaptor)
{
var adaptorAttrs = new CVPixelBufferAttributes {
PixelFormatType = CVPixelFormatType.CV32BGRA
};
_adaptor = AVAssetWriterInputPixelBufferAdaptor.FromInput(localAssetWriterInput, adaptorAttrs.Dictionary);
}
_serializationQueue = new DispatchQueue("ReadWriteSampleBufferChannel queue");
}
private void SetupAssetReaderWriterForAudio(AVAssetTrack audioTrack)
{
if (audioTrack == null)
{
return;
}
// Decompress to Linear PCM with the asset reader
AVAssetReaderOutput output = AVAssetReaderTrackOutput.Create(audioTrack, (AudioSettings)null);
_assetReader.AddOutput(output);
AVAssetWriterInput input = AVAssetWriterInput.Create(audioTrack.MediaType, (AudioSettings)null);
_assetWriter.AddInput(input);
// Create and save an instance of AAPLRWSampleBufferChannel,
// which will coordinate the work of reading and writing sample buffers
_audioSampleBufferChannel = new ReadWriteSampleBufferChannel(output, input, false);
}
public AudioChannel (AVAssetReaderOutput readerOutput, AVAssetWriterInput writerInput)
: base(readerOutput, writerInput)
{
}
public AudioChannel(AVAssetReaderOutput readerOutput, AVAssetWriterInput writerInput)
: base(readerOutput, writerInput)
{
}
