android.media.MediaExtractor Java Examples

The following examples show how to use android.media.MediaExtractor. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.

Example #1

Source File: MediaController.java From SiliCompressor with Apache License 2.0

7 votes

@TargetApi(16)
private int selectTrack(MediaExtractor extractor, boolean audio) {
    int numTracks = extractor.getTrackCount();
    for (int i = 0; i < numTracks; i++) {
        MediaFormat format = extractor.getTrackFormat(i);
        String mime = format.getString(MediaFormat.KEY_MIME);
        if (audio) {
            if (mime.startsWith("audio/")) {
                return i;
            }
        } else {
            if (mime.startsWith("video/")) {
                return i;
            }
        }
    }
    return -5;
}

Example #2

Source File: AudioUtil.java From VideoProcessor with Apache License 2.0

6 votes

public static boolean isStereo(String aacPath) throws IOException {
    MediaExtractor extractor = new MediaExtractor();
    extractor.setDataSource(aacPath);
    MediaFormat format = null;
    int numTracks = extractor.getTrackCount();
    for (int i = 0; i < numTracks; i++) {
        format = extractor.getTrackFormat(i);
        String mime = format.getString(MediaFormat.KEY_MIME);
        if (mime.startsWith("audio/")) {
            break;
        }
    }
    extractor.release();
    if (format == null) {
        return false;
    }
    return format.getInteger(MediaFormat.KEY_CHANNEL_COUNT) > 1;
}

Example #3

Source File: MoviePlayer.java From pause-resume-video-recording with Apache License 2.0

6 votes

/**
 * Selects the video track, if any.
 *
 * @return the track index, or -1 if no video track is found.
 */
private static int selectTrack(MediaExtractor extractor) {
    // Select the first video track we find, ignore the rest.
    int numTracks = extractor.getTrackCount();
    for (int i = 0; i < numTracks; i++) {
        MediaFormat format = extractor.getTrackFormat(i);
        String mime = format.getString(MediaFormat.KEY_MIME);
        if (mime.startsWith("video/")) {
            if (VERBOSE) {
                Log.d(TAG, "Extractor selected track " + i + " (" + mime + "): " + format);
            }
            return i;
        }
    }

    return -1;
}

Example #4

Source File: VideoRecoder.java From deltachat-android with GNU General Public License v3.0

6 votes

@TargetApi(16)
private int selectTrack(MediaExtractor extractor, boolean audio) {
  int numTracks = extractor.getTrackCount();
  for (int i = 0; i < numTracks; i++) {
    MediaFormat format = extractor.getTrackFormat(i);
    String mime = format.getString(MediaFormat.KEY_MIME);
    if (audio) {
      if (mime.startsWith("audio/")) {
        return i;
      }
    } else {
      if (mime.startsWith("video/")) {
        return i;
      }
    }
  }
  return -5;
}

Example #5

Source File: MediaExtractorUtils.java From Pix-Art-Messenger with GNU General Public License v3.0

6 votes

public static TrackResult getFirstVideoAndAudioTrack(MediaExtractor extractor) {
    TrackResult trackResult = new TrackResult();
    trackResult.mVideoTrackIndex = -1;
    trackResult.mAudioTrackIndex = -1;
    int trackCount = extractor.getTrackCount();
    for (int i = 0; i < trackCount; i++) {
        MediaFormat format = extractor.getTrackFormat(i);
        String mime = format.getString(MediaFormat.KEY_MIME);
        if (trackResult.mVideoTrackIndex < 0 && mime.startsWith("video/")) {
            trackResult.mVideoTrackIndex = i;
            trackResult.mVideoTrackMime = mime;
            trackResult.mVideoTrackFormat = format;
        } else if (trackResult.mAudioTrackIndex < 0 && mime.startsWith("audio/")) {
            trackResult.mAudioTrackIndex = i;
            trackResult.mAudioTrackMime = mime;
            trackResult.mAudioTrackFormat = format;
        }
        if (trackResult.mVideoTrackIndex >= 0 && trackResult.mAudioTrackIndex >= 0) break;
    }
    if (trackResult.mVideoTrackIndex < 0 || trackResult.mAudioTrackIndex < 0) {
        throw new IllegalArgumentException("extractor does not contain video and/or audio tracks.");
    }
    return trackResult;
}

Example #6

Source File: VideoComposer.java From GPUVideo-android with MIT License

6 votes

private int drainExtractor() {
    if (isExtractorEOS) return DRAIN_STATE_NONE;
    int trackIndex = mediaExtractor.getSampleTrackIndex();
    if (trackIndex >= 0 && trackIndex != this.trackIndex) {
        return DRAIN_STATE_NONE;
    }
    int result = decoder.dequeueInputBuffer(0);
    if (result < 0) return DRAIN_STATE_NONE;
    if (trackIndex < 0) {
        isExtractorEOS = true;
        decoder.queueInputBuffer(result, 0, 0, 0, MediaCodec.BUFFER_FLAG_END_OF_STREAM);
        return DRAIN_STATE_NONE;
    }
    int sampleSize = mediaExtractor.readSampleData(decoderInputBuffers[result], 0);
    boolean isKeyFrame = (mediaExtractor.getSampleFlags() & MediaExtractor.SAMPLE_FLAG_SYNC) != 0;
    decoder.queueInputBuffer(result, 0, sampleSize, mediaExtractor.getSampleTime() / timeScale, isKeyFrame ? MediaCodec.BUFFER_FLAG_SYNC_FRAME : 0);
    mediaExtractor.advance();
    return DRAIN_STATE_CONSUMED;
}

Example #7

Source File: MediaMoviePlayer.java From AudioVideoPlayerSample with Apache License 2.0

6 votes

/**
 * @param media_extractor
 * @param trackIndex
 * @return
 */
protected MediaCodec internalStartVideo(final MediaExtractor media_extractor, final int trackIndex) {
	if (DEBUG) Log.v(TAG, "internalStartVideo:");
	MediaCodec codec = null;
	if (trackIndex >= 0) {
        final MediaFormat format = media_extractor.getTrackFormat(trackIndex);
        final String mime = format.getString(MediaFormat.KEY_MIME);
		try {
			codec = MediaCodec.createDecoderByType(mime);
			codec.configure(format, mOutputSurface, null, 0);
	        codec.start();
		} catch (final IOException e) {
			Log.w(TAG, e);
			codec = null;
		}
    	if (DEBUG) Log.v(TAG, "internalStartVideo:codec started");
	}
	return codec;
}

Example #8

Source File: AudioTrackTranscoder.java From phoenix with Apache License 2.0

6 votes

private int drainExtractor(long timeoutUs) {
    if (mIsExtractorEOS) return DRAIN_STATE_NONE;
    int trackIndex = mExtractor.getSampleTrackIndex();
    if (trackIndex >= 0 && trackIndex != mTrackIndex) {
        return DRAIN_STATE_NONE;
    }

    final int result = mDecoder.dequeueInputBuffer(timeoutUs);
    if (result < 0) return DRAIN_STATE_NONE;
    if (trackIndex < 0) {
        mIsExtractorEOS = true;
        mDecoder.queueInputBuffer(result, 0, 0, 0, MediaCodec.BUFFER_FLAG_END_OF_STREAM);
        return DRAIN_STATE_NONE;
    }

    final int sampleSize = mExtractor.readSampleData(mDecoderBuffers.getInputBuffer(result), 0);
    final boolean isKeyFrame = (mExtractor.getSampleFlags() & MediaExtractor.SAMPLE_FLAG_SYNC) != 0;
    mDecoder.queueInputBuffer(result, 0, sampleSize, mExtractor.getSampleTime(), isKeyFrame ? MediaCodec.BUFFER_FLAG_SYNC_FRAME : 0);
    mExtractor.advance();
    return DRAIN_STATE_CONSUMED;
}

Example #9

Source File: AudioTrackTranscoder.java From android-transcoder with Apache License 2.0

6 votes

private int drainExtractor(long timeoutUs) {
    if (mIsExtractorEOS) return DRAIN_STATE_NONE;
    int trackIndex = mExtractor.getSampleTrackIndex();
    if (trackIndex >= 0 && trackIndex != mTrackIndex) {
        return DRAIN_STATE_NONE;
    }

    final int result = mDecoder.dequeueInputBuffer(timeoutUs);
    if (result < 0) return DRAIN_STATE_NONE;
    if (trackIndex < 0) {
        mIsExtractorEOS = true;
        mDecoder.queueInputBuffer(result, 0, 0, 0, MediaCodec.BUFFER_FLAG_END_OF_STREAM);
        return DRAIN_STATE_NONE;
    }

    final int sampleSize = mExtractor.readSampleData(mDecoderBuffers.getInputBuffer(result), 0);
    final boolean isKeyFrame = (mExtractor.getSampleFlags() & MediaExtractor.SAMPLE_FLAG_SYNC) != 0;
    mDecoder.queueInputBuffer(result, 0, sampleSize, mExtractor.getSampleTime(), isKeyFrame ? MediaCodec.BUFFER_FLAG_SYNC_FRAME : 0);
    mExtractor.advance();
    return DRAIN_STATE_CONSUMED;
}

Example #10

Source File: VideoDecoder.java From rtmp-rtsp-stream-client-java with Apache License 2.0

6 votes

public boolean initExtractor(String filePath) throws IOException {
  decoding = false;
  videoExtractor = new MediaExtractor();
  videoExtractor.setDataSource(filePath);
  for (int i = 0; i < videoExtractor.getTrackCount() && !mime.startsWith("video/"); i++) {
    videoFormat = videoExtractor.getTrackFormat(i);
    mime = videoFormat.getString(MediaFormat.KEY_MIME);
    if (mime.startsWith("video/")) {
      videoExtractor.selectTrack(i);
    } else {
      videoFormat = null;
    }
  }
  if (videoFormat != null) {
    width = videoFormat.getInteger(MediaFormat.KEY_WIDTH);
    height = videoFormat.getInteger(MediaFormat.KEY_HEIGHT);
    duration = videoFormat.getLong(MediaFormat.KEY_DURATION);
    return true;
    //video decoder not supported
  } else {
    mime = "";
    videoFormat = null;
    return false;
  }
}

Example #11

Source File: MediaMoviePlayer.java From libcommon with Apache License 2.0

6 votes

/**
 * search first track index matched specific MIME
 * @param extractor
 * @param mimeType "video/" or "audio/"
 * @return track index, -1 if not found
 */
protected static final int selectTrack(final MediaExtractor extractor, final String mimeType) {
    final int numTracks = extractor.getTrackCount();
    MediaFormat format;
    String mime;
    for (int i = 0; i < numTracks; i++) {
        format = extractor.getTrackFormat(i);
        mime = format.getString(MediaFormat.KEY_MIME);
        if (mime.startsWith(mimeType)) {
            if (DEBUG) {
                Log.d(TAG_STATIC, "Extractor selected track " + i + " (" + mime + "): " + format);
            }
            return i;
        }
    }
    return -1;
}

Example #12

Source File: MediaMoviePlayer.java From AudioVideoPlayerSample with Apache License 2.0

6 votes

/**
 * search first track index matched specific MIME
 * @param extractor
 * @param mimeType "video/" or "audio/"
 * @return track index, -1 if not found
 */
protected static final int selectTrack(final MediaExtractor extractor, final String mimeType) {
    final int numTracks = extractor.getTrackCount();
    MediaFormat format;
    String mime;
    for (int i = 0; i < numTracks; i++) {
        format = extractor.getTrackFormat(i);
        mime = format.getString(MediaFormat.KEY_MIME);
        if (mime.startsWith(mimeType)) {
            if (DEBUG) {
                Log.d(TAG_STATIC, "Extractor selected track " + i + " (" + mime + "): " + format);
            }
            return i;
        }
    }
    return -1;
}

Example #13

Source File: AudioUtil.java From VideoProcessor with Apache License 2.0

6 votes

/**
 * 调整aac音量
 *
 * @param volume [0,100]
 * @throws IOException
 */
public static void adjustAacVolume(Context context, VideoProcessor.MediaSource aacSource, String outPath, int volume
        , @Nullable VideoProgressListener listener) throws IOException {
    String name = "temp_aac_"+System.currentTimeMillis();
    File pcmFile = new File(VideoUtil.getVideoCacheDir(context), name + ".pcm");
    File pcmFile2 = new File(VideoUtil.getVideoCacheDir(context), name + "_2.pcm");
    File wavFile = new File(VideoUtil.getVideoCacheDir(context), name + ".wav");

    AudioUtil.decodeToPCM(aacSource, pcmFile.getAbsolutePath(), null, null);
    AudioUtil.adjustPcmVolume(pcmFile.getAbsolutePath(), pcmFile2.getAbsolutePath(), volume);
    MediaExtractor extractor = new MediaExtractor();
    aacSource.setDataSource(extractor);
    int trackIndex = VideoUtil.selectTrack(extractor, true);
    MediaFormat aacFormat = extractor.getTrackFormat(trackIndex);
    int sampleRate = aacFormat.getInteger(MediaFormat.KEY_SAMPLE_RATE);
    int oriChannelCount = aacFormat.getInteger(MediaFormat.KEY_CHANNEL_COUNT);
    int channelConfig = AudioFormat.CHANNEL_IN_MONO;
    if (oriChannelCount == 2) {
        channelConfig = AudioFormat.CHANNEL_IN_STEREO;
    }
    new PcmToWavUtil(sampleRate, channelConfig, oriChannelCount, AudioFormat.ENCODING_PCM_16BIT).pcmToWav(pcmFile2.getAbsolutePath(), wavFile.getAbsolutePath());
    AudioUtil.encodeWAVToAAC(wavFile.getPath(), outPath, aacFormat, listener);
}

Example #14

Source File: MediaMoviePlayer.java From AudioVideoPlayerSample with Apache License 2.0

6 votes

/**
	 * @param codec
	 * @param extractor
	 * @param inputBuffers
	 * @param presentationTimeUs
	 * @param isAudio
	 */
	protected boolean internal_process_input(final MediaCodec codec, final MediaExtractor extractor, final ByteBuffer[] inputBuffers, final long presentationTimeUs, final boolean isAudio) {
//		if (DEBUG) Log.v(TAG, "internalProcessInput:presentationTimeUs=" + presentationTimeUs);
		boolean result = true;
		while (mIsRunning) {
            final int inputBufIndex = codec.dequeueInputBuffer(TIMEOUT_USEC);
            if (inputBufIndex == MediaCodec.INFO_TRY_AGAIN_LATER)
            	break;
            if (inputBufIndex >= 0) {
                final int size = extractor.readSampleData(inputBuffers[inputBufIndex], 0);
                if (size > 0) {
                	codec.queueInputBuffer(inputBufIndex, 0, size, presentationTimeUs, 0);
                }
            	result = extractor.advance();	// return false if no data is available
                break;
            }
		}
		return result;
	}

Example #15

Source File: MoviePlayer.java From grafika with Apache License 2.0

6 votes

/**
 * Selects the video track, if any.
 *
 * @return the track index, or -1 if no video track is found.
 */
private static int selectTrack(MediaExtractor extractor) {
    // Select the first video track we find, ignore the rest.
    int numTracks = extractor.getTrackCount();
    for (int i = 0; i < numTracks; i++) {
        MediaFormat format = extractor.getTrackFormat(i);
        String mime = format.getString(MediaFormat.KEY_MIME);
        if (mime.startsWith("video/")) {
            if (VERBOSE) {
                Log.d(TAG, "Extractor selected track " + i + " (" + mime + "): " + format);
            }
            return i;
        }
    }

    return -1;
}

Example #16

Source File: RemixAudioComposer.java From GPUVideo-android with MIT License

6 votes

private int drainExtractor(long timeoutUs) {
    if (isExtractorEOS) return DRAIN_STATE_NONE;
    int trackIndex = extractor.getSampleTrackIndex();
    if (trackIndex >= 0 && trackIndex != this.trackIndex) {
        return DRAIN_STATE_NONE;
    }

    final int result = decoder.dequeueInputBuffer(timeoutUs);
    if (result < 0) return DRAIN_STATE_NONE;
    if (trackIndex < 0) {
        isExtractorEOS = true;
        decoder.queueInputBuffer(result, 0, 0, 0, MediaCodec.BUFFER_FLAG_END_OF_STREAM);
        return DRAIN_STATE_NONE;
    }

    final int sampleSize = extractor.readSampleData(decoderBuffers.getInputBuffer(result), 0);
    final boolean isKeyFrame = (extractor.getSampleFlags() & MediaExtractor.SAMPLE_FLAG_SYNC) != 0;
    decoder.queueInputBuffer(result, 0, sampleSize, extractor.getSampleTime(), isKeyFrame ? MediaCodec.BUFFER_FLAG_SYNC_FRAME : 0);
    extractor.advance();
    return DRAIN_STATE_CONSUMED;
}

Example #17

Source File: MediaVideoPlayer.java From AudioVideoPlayerSample with Apache License 2.0

6 votes

/**
 * @param sourceFile
 * @return first video track index, -1 if not found
 */
protected int internalPrepareVideo(final String sourceFile) {
	int trackIndex = -1;
	mVideoMediaExtractor = new MediaExtractor();
	try {
		mVideoMediaExtractor.setDataSource(sourceFile);
		trackIndex = selectTrack(mVideoMediaExtractor, "video/");
		if (trackIndex >= 0) {
			mVideoMediaExtractor.selectTrack(trackIndex);
	        final MediaFormat format = mVideoMediaExtractor.getTrackFormat(trackIndex);
        	mVideoWidth = format.getInteger(MediaFormat.KEY_WIDTH);
        	mVideoHeight = format.getInteger(MediaFormat.KEY_HEIGHT);
        	mDuration = format.getLong(MediaFormat.KEY_DURATION);

			if (DEBUG) Log.v(TAG, String.format("format:size(%d,%d),duration=%d,bps=%d,framerate=%f,rotation=%d",
				mVideoWidth, mVideoHeight, mDuration, mBitrate, mFrameRate, mRotation));
		}
	} catch (final IOException e) {
		Log.w(TAG, e);
	}
	return trackIndex;
}

Example #18

Source File: MediaExtractorUtils.java From phoenix with Apache License 2.0

6 votes

public static TrackResult getFirstVideoAndAudioTrack(MediaExtractor extractor) {
    TrackResult trackResult = new TrackResult();
    trackResult.mVideoTrackIndex = -1;
    trackResult.mAudioTrackIndex = -1;
    int trackCount = extractor.getTrackCount();
    for (int i = 0; i < trackCount; i++) {
        MediaFormat format = extractor.getTrackFormat(i);
        String mime = format.getString(MediaFormat.KEY_MIME);
        if (trackResult.mVideoTrackIndex < 0 && mime.startsWith("video/")) {
            trackResult.mVideoTrackIndex = i;
            trackResult.mVideoTrackMime = mime;
            trackResult.mVideoTrackFormat = format;
        } else if (trackResult.mAudioTrackIndex < 0 && mime.startsWith("audio/")) {
            trackResult.mAudioTrackIndex = i;
            trackResult.mAudioTrackMime = mime;
            trackResult.mAudioTrackFormat = format;
        }
        if (trackResult.mVideoTrackIndex >= 0 && trackResult.mAudioTrackIndex >= 0) break;
    }
    if (trackResult.mVideoTrackIndex < 0 || trackResult.mAudioTrackIndex < 0) {
        throw new IllegalArgumentException("extractor does not contain video and/or audio tracks.");
    }
    return trackResult;
}

Example #19

Source File: VideoUtil.java From VideoProcessor with Apache License 2.0

6 votes

public static float getAveFrameRate(VideoProcessor.MediaSource mediaSource) throws IOException {
    MediaExtractor extractor = new MediaExtractor();
    mediaSource.setDataSource(extractor);
    int trackIndex = VideoUtil.selectTrack(extractor, false);
    extractor.selectTrack(trackIndex);
    long lastSampleTimeUs = 0;
    int frameCount = 0;
    while (true) {
        long sampleTime = extractor.getSampleTime();
        if (sampleTime < 0) {
            break;
        } else {
            lastSampleTimeUs = sampleTime;
        }
        frameCount++;
        extractor.advance();
    }
    extractor.release();
    return frameCount / (lastSampleTimeUs / 1000f / 1000f);
}

Example #20

Source File: VideoPlayer.java From media-for-mobile with Apache License 2.0

6 votes

public void open(String path) throws IOException {
    close();

    pause = false;
    stop = false;
    seekRequestedToMs = -1;
    currentPresentationTimeMs = 0;

    extractor = new MediaExtractor();

    extractor.setDataSource(path);

    if (initWithTrackOfInterest("video/") == false) {
        throw new IOException("Can't open video file. Unsupported video format.");
    }

    if (codec == null) {
        throw new IOException("Can't open video file. Unsupported video format.");
    }

    pause();

    videoThread = new VideoThread();
    videoThread.start();
}

Example #21

Source File: MediaMoviePlayer.java From AudioVideoPlayerSample with Apache License 2.0

6 votes

/**
 * @param media_extractor
 * @param trackIndex
 * @return
 */
protected MediaCodec internalStartAudio(final MediaExtractor media_extractor, final int trackIndex) {
	if (DEBUG) Log.v(TAG, "internalStartAudio:");
	MediaCodec codec = null;
	if (trackIndex >= 0) {
        final MediaFormat format = media_extractor.getTrackFormat(trackIndex);
        final String mime = format.getString(MediaFormat.KEY_MIME);
		try {
			codec = MediaCodec.createDecoderByType(mime);
			codec.configure(format, null, null, 0);
	        codec.start();
	    	if (DEBUG) Log.v(TAG, "internalStartAudio:codec started");
	    	//
	        final ByteBuffer[] buffers = codec.getOutputBuffers();
	        int sz = buffers[0].capacity();
	        if (sz <= 0)
	        	sz = mAudioInputBufSize;
	        if (DEBUG) Log.v(TAG, "AudioOutputBufSize:" + sz);
	        mAudioOutTempBuf = new byte[sz];
		} catch (final IOException e) {
			Log.w(TAG, e);
			codec = null;
		}
	}
	return codec;
}

Example #22

Source File: RemixAudioComposer.java From Mp4Composer-android with MIT License

6 votes

private int drainExtractor(long timeoutUs) {
    if (isExtractorEOS) return DRAIN_STATE_NONE;
    int trackIndex = extractor.getSampleTrackIndex();
    if (trackIndex >= 0 && trackIndex != this.trackIndex) {
        return DRAIN_STATE_NONE;
    }

    final int result = decoder.dequeueInputBuffer(timeoutUs);
    if (result < 0) return DRAIN_STATE_NONE;
    if (trackIndex < 0) {
        isExtractorEOS = true;
        decoder.queueInputBuffer(result, 0, 0, 0, MediaCodec.BUFFER_FLAG_END_OF_STREAM);
        return DRAIN_STATE_NONE;
    }

    final int sampleSize = extractor.readSampleData(decoder.getInputBuffer(result), 0);
    final boolean isKeyFrame = (extractor.getSampleFlags() & MediaExtractor.SAMPLE_FLAG_SYNC) != 0;
    decoder.queueInputBuffer(result, 0, sampleSize, extractor.getSampleTime(), isKeyFrame ? MediaCodec.BUFFER_FLAG_KEY_FRAME : 0);
    extractor.advance();
    numTracks ++ ;
    return DRAIN_STATE_CONSUMED;
}

Example #23

Source File: Track.java From K-Sonic with MIT License

6 votes

public void initStream() throws Exception {
    mLock.lock();
    try {
        mExtractor = new MediaExtractor();
        if (!TextUtils.isEmpty(mPath)) {
            mExtractor.setDataSource(mPath);
        } else if (mUri != null) {
            mExtractor.setDataSource(mContext, mUri, null);
        } else {
            throw new IOException();
        }
    } catch (Exception e) {//IOException
        throw e;
    } finally {
        mLock.unlock();
    }
    initConfig();
}

Example #24

Source File: AudioRecordThread.java From PhotoMovie with Apache License 2.0

6 votes

private int selectTrack(MediaExtractor extractor, boolean audio) {
    int numTracks = extractor.getTrackCount();
    for (int i = 0; i < numTracks; i++) {
        MediaFormat format = extractor.getTrackFormat(i);
        String mime = format.getString(MediaFormat.KEY_MIME);
        if (audio) {
            if (mime.startsWith("audio/")) {
                return i;
            }
        } else {
            if (mime.startsWith("video/")) {
                return i;
            }
        }
    }
    return -5;
}

Example #25

Source File: MediaHelper.java From AndroidVideoSamples with Apache License 2.0

6 votes

@TargetApi( Build.VERSION_CODES.JELLY_BEAN )
public static int GetMediaFormatPropertyInteger( Uri uri, String key, int defaultValue ) {
   int value = defaultValue;

   MediaExtractor extractor = new MediaExtractor();
   try {
      extractor.setDataSource( uri.toString() );
   } catch ( IOException e ) {
      e.printStackTrace();
      return value;
   }
   
   MediaFormat format = GetTrackFormat( extractor, MIME_TYPE_AVC );
   extractor.release();

   if ( format.containsKey( key ) ) {
      value = format.getInteger( key );
   }

   return value;
}

Example #26

Source File: MediaMoviePlayer.java From libcommon with Apache License 2.0

6 votes

/**
	 * @param codec
	 * @param extractor
	 * @param inputBuffers
	 * @param presentationTimeUs
	 * @param isAudio
	 */
	protected boolean internal_process_input(final MediaCodec codec, final MediaExtractor extractor, final ByteBuffer[] inputBuffers, final long presentationTimeUs, final boolean isAudio) {
//		if (DEBUG) Log.v(TAG, "internal_process_input:presentationTimeUs=" + presentationTimeUs);
		boolean result = true;
		while (mIsRunning) {
            final int inputBufIndex = codec.dequeueInputBuffer(TIMEOUT_USEC);
            if (inputBufIndex == MediaCodec.INFO_TRY_AGAIN_LATER)
            	break;
            if (inputBufIndex >= 0) {
                final int size = extractor.readSampleData(inputBuffers[inputBufIndex], 0);
                if (size > 0) {
                	codec.queueInputBuffer(inputBufIndex, 0, size, presentationTimeUs, 0);
                }
            	result = extractor.advance();	// return false if no data is available
                break;
            }
		}
		return result;
	}

Example #27

Source File: MediaController.java From Telegram-FOSS with GNU General Public License v2.0

6 votes

public static int findTrack(MediaExtractor extractor, boolean audio) {
    int numTracks = extractor.getTrackCount();
    for (int i = 0; i < numTracks; i++) {
        MediaFormat format = extractor.getTrackFormat(i);
        String mime = format.getString(MediaFormat.KEY_MIME);
        if (audio) {
            if (mime.startsWith("audio/")) {
                return i;
            }
        } else {
            if (mime.startsWith("video/")) {
                return i;
            }
        }
    }
    return -5;
}

Example #28

Source File: AudioTrackTranscoder.java From Pix-Art-Messenger with GNU General Public License v3.0

6 votes

private int drainExtractor(long timeoutUs) {
    if (mIsExtractorEOS) return DRAIN_STATE_NONE;
    int trackIndex = mExtractor.getSampleTrackIndex();
    if (trackIndex >= 0 && trackIndex != mTrackIndex) {
        return DRAIN_STATE_NONE;
    }

    final int result = mDecoder.dequeueInputBuffer(timeoutUs);
    if (result < 0) return DRAIN_STATE_NONE;
    if (trackIndex < 0) {
        mIsExtractorEOS = true;
        mDecoder.queueInputBuffer(result, 0, 0, 0, MediaCodec.BUFFER_FLAG_END_OF_STREAM);
        return DRAIN_STATE_NONE;
    }

    final int sampleSize = mExtractor.readSampleData(mDecoderBuffers.getInputBuffer(result), 0);
    final boolean isKeyFrame = (mExtractor.getSampleFlags() & MediaExtractor.SAMPLE_FLAG_SYNC) != 0;
    mDecoder.queueInputBuffer(result, 0, sampleSize, mExtractor.getSampleTime(), isKeyFrame ? MediaCodec.BUFFER_FLAG_SYNC_FRAME : 0);
    mExtractor.advance();
    return DRAIN_STATE_CONSUMED;
}

Example #29

Source File: VideoTrackTranscoder.java From EZFilter with MIT License

6 votes

private int drainExtractor() {
    if (mIsExtractorEOS) return DRAIN_STATE_NONE;
    int trackIndex = mExtractor.getSampleTrackIndex();
    if (trackIndex >= 0 && trackIndex != mTrackIndex) {
        return DRAIN_STATE_NONE;
    }

    int result = mDecoder.dequeueInputBuffer(0);
    if (result < 0) return DRAIN_STATE_NONE;
    if (trackIndex < 0) {
        mIsExtractorEOS = true;
        mDecoder.queueInputBuffer(result, 0, 0, 0, MediaCodec.BUFFER_FLAG_END_OF_STREAM);
        return DRAIN_STATE_NONE;
    }

    int sampleSize = mExtractor.readSampleData(CodecUtil.getInputBuffer(mDecoder, result), 0);
    boolean isKeyFrame = (mExtractor.getSampleFlags() & MediaExtractor.SAMPLE_FLAG_SYNC) != 0;
    mDecoder.queueInputBuffer(result, 0, sampleSize, mExtractor.getSampleTime(),
            isKeyFrame ? MediaCodec.BUFFER_FLAG_SYNC_FRAME : 0);
    mExtractor.advance();
    return DRAIN_STATE_CONSUMED;
}

Example #30

Source File: MediaVideoPlayer.java From AudioVideoPlayerSample with Apache License 2.0

6 votes

/**
 * search first track index matched specific MIME
 * @param extractor
 * @param mimeType "video/" or "audio/"
 * @return track index, -1 if not found
 */
protected static final int selectTrack(final MediaExtractor extractor, final String mimeType) {
    final int numTracks = extractor.getTrackCount();
    MediaFormat format;
    String mime;
    for (int i = 0; i < numTracks; i++) {
        format = extractor.getTrackFormat(i);
        mime = format.getString(MediaFormat.KEY_MIME);
        if (mime.startsWith(mimeType)) {
            if (DEBUG) {
                Log.d(TAG_STATIC, "Extractor selected track " + i + " (" + mime + "): " + format);
            }
            return i;
        }
    }
    return -1;
}