private void DecodeTask()
{
H264VideoPayloadParser parser = new H264VideoPayloadParser(new RtspClientSharp.Codecs.Video.H264CodecInfo());
FFmpegVideoDecoder decoder = FFmpegVideoDecoder.CreateDecoder(FFmpegVideoCodecId.H264);
parser.FrameGenerated += (frame) =>
{
lock (m_decoderLock)
{
IDecodedVideoFrame decodedFrame = decoder.TryDecode((RawVideoFrame)frame);
if (decodedFrame != null)
{
m_lastDecodedFrame = decodedFrame;
FrameReceived?.Invoke(this, decodedFrame);
}
else
{
Log.e(TAG, "Failed to decode frame");
}
}
};
while (!m_CancelToken.Token.IsCancellationRequested)
{
try
{
Payload nextFramePayload = m_payloadQueue.Receive(m_CancelToken.Token);
parser.Parse(new TimeSpan(1), new ArraySegment <byte>(nextFramePayload.Data.GetBuffer(), (int)nextFramePayload.Data.Position, (int)nextFramePayload.Data.Remaining()), true);
}
catch (OperationCanceledException)
{
break;
}
}
}
private FFmpegVideoDecoder GetDecoderForFrame(RawVideoFrame videoFrame)
{
FFmpegVideoCodecId codecId = DetectCodecId(videoFrame);
if (!_videoDecodersMap.TryGetValue(codecId, out FFmpegVideoDecoder decoder))
{
decoder = FFmpegVideoDecoder.CreateDecoder(codecId);
_videoDecodersMap.Add(codecId, decoder);
}
return(decoder);
}