/// <summary>
/// Initializes a new instance of the <see cref="T:xnano.Droid.Gamestream.VideoHandler"/> class.
/// </summary>
/// <param name="mimeType">MIME type.</param>
/// <param name="videoWidth">Video width.</param>
/// <param name="videoHeight">Video height.</param>
public VideoDecoder(string mimeType, int videoWidth, int videoHeight)
{
_mimeType = mimeType;
_videoWidth = videoWidth;
_videoHeight = videoHeight;
Initialized = false;
// Buffer maximum of 10 frames
_videoQueue = new CircularBuffer <byte[]>(10);
_mediaCodec = MediaCodec.CreateDecoderByType(_mimeType);
_surface = null;
_surfaceTexture = null;
}
public void PrepareEncoder(string path, File _downloaddir)
{
MediaCodec _Decoder = null;
MediaExtractor extractor = null;
_downloadsfilesdir = _downloaddir;
try {
//for (int i = 0; i < extractor.TrackCount; i++)
//{
// MediaFormat Format = extractor.GetTrackFormat(i);
// //MediaFormat format = MediaFormat.CreateVideoFormat(MIME_TYPE, 640, 360);
// String mime = Format.GetString(MediaFormat.KeyMime);
// if (mime.StartsWith("video/"))
// {
// extractor.SelectTrack(i);
// _Decoder = MediaCodec.CreateEncoderByType(mime);
// _Decoder.Configure(Format, null, null, 0);
// break;
// }
//}
extractor = new MediaExtractor();
extractor.SetDataSource(path);
int trackIndex = selectTrack(extractor);
//if (trackIndex < 0)
//{
// throw new RuntimeException("No video track found in " + inputFile);
//}
extractor.SelectTrack(trackIndex);
MediaFormat format = extractor.GetTrackFormat(trackIndex);
_Width = format.GetInteger(MediaFormat.KeyWidth);
_Height = format.GetInteger(MediaFormat.KeyHeight);
// Could use width/height from the MediaFormat to get full-size frames.
//outputSurface = new CodecOutputSurface(saveWidth, saveHeight);
// Create a MediaCodec decoder, and configure it with the MediaFormat from the
// extractor. It's very important to use the format from the extractor because
// it contains a copy of the CSD-0/CSD-1 codec-specific data chunks.
String mime = format.GetString(MediaFormat.KeyMime);
_Decoder = MediaCodec.CreateDecoderByType(mime);
_Decoder.Configure(format, null, null, 0);
_Decoder.Start();
Decode(_Decoder, extractor);
}
catch (Exception e)
{
Log.Error(TAG, e.Message, e);
throw;
}
finally
{
// release everything we grabbed
//if (outputSurface != null)
//{
// outputSurface.release();
// outputSurface = null;
//}
if (_Decoder != null)
{
_Decoder.Stop();
_Decoder.Release();
_Decoder = null;
}
if (extractor != null)
{
extractor.Release();
extractor = null;
}
}
_TrackIndex = -1;
//_MuxerStarted = false;
}