使用MediaCodec+SurfaceView播放視訊(無音頻)

public class MediaCodecUtil1 {
    private String mFilePath;
    private MediaCodec mMediaCodec;
    private MediaExtractor mMediaExtractor;
    private Surface mSurface;
    private boolean mIsAvailable;
    private ByteBuffer[] mInputBuffers;
    private ByteBuffer[] mOutputBuffers;

    public MediaCodecUtil1(String filePath, Surface surface) {
        mFilePath = filePath;
        mSurface = surface;
    }

    private void init() {
        mIsAvailable = false;
        mMediaExtractor = new MediaExtractor();
        try {
            mMediaExtractor.setDataSource(mFilePath);
            int trackCount = mMediaExtractor.getTrackCount();
            for (int i = ; i < trackCount; i++) {
                MediaFormat mediaFormat = mMediaExtractor.getTrackFormat(i);
                String mime = mediaFormat.getString(MediaFormat.KEY_MIME);
                if (mime.startsWith("video/")) {
                    mMediaExtractor.selectTrack(i);
                    mMediaCodec = MediaCodec.createDecoderByType(mime);
                    mMediaCodec.configure(mediaFormat, mSurface, null, );
                    mIsAvailable = true;
                    break;
                }
            }
        } catch (IOException e) {
            e.printStackTrace();
        }
    }

    public void start() {
        init();
        if (mIsAvailable) {
            mMediaCodec.start();
            mInputBuffers = mMediaCodec.getInputBuffers();
            mOutputBuffers = mMediaCodec.getOutputBuffers();
            new Thread(new EncoderThread()).start();
        }
    }

    private class EncoderThread implements Runnable {
        @Override
        public void run() {
            MediaCodec.BufferInfo bufferInfo = new MediaCodec.BufferInfo();
            long startTime = System.currentTimeMillis();
            while (mIsAvailable) {
                int inputBufferIndex = mMediaCodec.dequeueInputBuffer(-);
                if (inputBufferIndex >= ) {
                    ByteBuffer inputBuffer = mInputBuffers[inputBufferIndex];
                    inputBuffer.clear();
                    int sampleSize = mMediaExtractor.readSampleData(inputBuffer, );
                    if (sampleSize > ) {
                        mMediaExtractor.advance();
                        mMediaCodec.queueInputBuffer(inputBufferIndex, , sampleSize, mMediaExtractor.getSampleTime(), );
                    }
                }

                int outputBufferIndex = mMediaCodec.dequeueOutputBuffer(bufferInfo, );
                if (outputBufferIndex >= ) {
                    long sleepTime = bufferInfo.presentationTimeUs /  - (System.currentTimeMillis() - startTime);
                    if (sleepTime > ) {
                        SystemClock.sleep(sleepTime);
                    }
                    ByteBuffer outBuffer = mOutputBuffers[outputBufferIndex];
                    mMediaCodec.releaseOutputBuffer(outputBufferIndex, true);
                }
            }
            mMediaExtractor.release();
            mMediaCodec.stop();
            mMediaCodec.release();
            Log.i("==", "播放完成");
        }
    }

    public void stop() {
        mIsAvailable = false;
    }

}