public long getInputSamplePTS() {
        long maxPTS = MediaCodecDecoder.PTS_UNKNOWN;
        for (MediaCodecDecoder decoder : mDecoders) {
            long pts = decoder.getInputSamplePTS();
            if(pts > maxPTS) {
                maxPTS = pts;
            }
        }
        return maxPTS;
    }
Releases all decoders. This must be called to free decoder resources when this object is no longer in use.
MediaPlayer/src/main/java/net/protyposis/android/mediaplayer/Decoders.java