Exemplo n.º 1
0
        void CreateDecompressionSession(AVAssetTrack videoTrack)
        {
            CMFormatDescription[] formatDescriptions = videoTrack.FormatDescriptions;
            var formatDescription = (CMVideoFormatDescription)formatDescriptions [0];

            videoPreferredTransform = videoTrack.PreferredTransform;
            decompressionSession    = VTDecompressionSession.Create(DidDecompress, formatDescription);
        }
        VTDecompressionSession CreateSession(AVAsset asset)
        {
            var videoTracks      = asset.TracksWithMediaType(AVMediaType.Video);
            var track            = videoTracks[0];
            var formatDescriptor = track.FormatDescriptions[0] as CMVideoFormatDescription;

            var session = VTDecompressionSession.Create(
                (sourceFrame, status, flags, buffer, presentationTimeStamp, presentationDuration) => {},
                formatDescriptor);

            return(session);
        }
Exemplo n.º 3
0
 void CreateDecompressionSession(AVAssetTrack videoTrack)
 {
     CMFormatDescription[] formatDescriptions = videoTrack.FormatDescriptions;
     var formatDescription = (CMVideoFormatDescription)formatDescriptions [0];
     videoPreferredTransform = videoTrack.PreferredTransform;
     decompressionSession = VTDecompressionSession.Create (DidDecompress, formatDescription);
 }