Java Code Examples for android.media.MediaExtractor#unselectTrack()

The following examples show how to use android.media.MediaExtractor#unselectTrack() . 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: VideoBgmAddAction.java    From SimpleVideoEditor with Apache License 2.0 5 votes vote down vote up 
private long getSampleTime(MediaExtractor mediaExtractor, int track) {
    mediaExtractor.selectTrack(track);
    mediaExtractor.readSampleData(sourceBuffer, 0);
    //skip first I frame
    if (mediaExtractor.getSampleFlags() == MediaExtractor.SAMPLE_FLAG_SYNC) {
        mediaExtractor.advance();
    }
    mediaExtractor.readSampleData(sourceBuffer, 0);
    long firstVideoPTS = mediaExtractor.getSampleTime();
    mediaExtractor.advance();
    mediaExtractor.readSampleData(sourceBuffer, 0);
    long secondVideoPTS = mediaExtractor.getSampleTime();
    mediaExtractor.unselectTrack(track);
    return Math.abs(secondVideoPTS - firstVideoPTS);
}
Example 2
Source File: VideoController.java    From VideoCompressor with Apache License 2.0 4 votes vote down vote up 
@TargetApi(16)
private long readAndWriteTrack(MediaExtractor extractor, MP4Builder mediaMuxer, MediaCodec.BufferInfo info, long start, long end, File file, boolean isAudio) throws Exception {
    int trackIndex = selectTrack(extractor, isAudio);
    if (trackIndex >= 0) {
        extractor.selectTrack(trackIndex);
        MediaFormat trackFormat = extractor.getTrackFormat(trackIndex);
        int muxerTrackIndex = mediaMuxer.addTrack(trackFormat, isAudio);
        int maxBufferSize = trackFormat.getInteger(MediaFormat.KEY_MAX_INPUT_SIZE);
        boolean inputDone = false;
        if (start > 0) {
            extractor.seekTo(start, MediaExtractor.SEEK_TO_PREVIOUS_SYNC);
        } else {
            extractor.seekTo(0, MediaExtractor.SEEK_TO_PREVIOUS_SYNC);
        }
        ByteBuffer buffer = ByteBuffer.allocateDirect(maxBufferSize);
        long startTime = -1;

        while (!inputDone) {

            boolean eof = false;
            int index = extractor.getSampleTrackIndex();
            if (index == trackIndex) {
                info.size = extractor.readSampleData(buffer, 0);

                if (info.size < 0) {
                    info.size = 0;
                    eof = true;
                } else {
                    info.presentationTimeUs = extractor.getSampleTime();
                    if (start > 0 && startTime == -1) {
                        startTime = info.presentationTimeUs;
                    }
                    if (end < 0 || info.presentationTimeUs < end) {
                        info.offset = 0;
                        info.flags = extractor.getSampleFlags();
                        if (mediaMuxer.writeSampleData(muxerTrackIndex, buffer, info, isAudio)) {
                            // didWriteData(messageObject, file, false, false);
                        }
                        extractor.advance();
                    } else {
                        eof = true;
                    }
                }
            } else if (index == -1) {
                eof = true;
            }
            if (eof) {
                inputDone = true;
            }
        }

        extractor.unselectTrack(trackIndex);
        return startTime;
    }
    return -1;
}
Example 3
Source File: MediaController.java    From react-native-video-helper with MIT License 4 votes vote down vote up 
@TargetApi(16)
private long readAndWriteTrack(MediaExtractor extractor, MP4Builder mediaMuxer, MediaCodec.BufferInfo info, long start, long end, File file, boolean isAudio) throws Exception {
    int trackIndex = selectTrack(extractor, isAudio);
    if (trackIndex >= 0) {
        extractor.selectTrack(trackIndex);
        MediaFormat trackFormat = extractor.getTrackFormat(trackIndex);
        int muxerTrackIndex = mediaMuxer.addTrack(trackFormat, isAudio);
        int maxBufferSize = trackFormat.getInteger(MediaFormat.KEY_MAX_INPUT_SIZE);
        boolean inputDone = false;
        if (start > 0) {
            extractor.seekTo(start, MediaExtractor.SEEK_TO_PREVIOUS_SYNC);
        } else {
            extractor.seekTo(0, MediaExtractor.SEEK_TO_PREVIOUS_SYNC);
        }
        ByteBuffer buffer = ByteBuffer.allocateDirect(maxBufferSize);
        long startTime = -1;

        while (!inputDone) {

            boolean eof = false;
            int index = extractor.getSampleTrackIndex();
            if (index == trackIndex) {
                info.size = extractor.readSampleData(buffer, 0);

                if (info.size < 0) {
                    info.size = 0;
                    eof = true;
                } else {
                    info.presentationTimeUs = extractor.getSampleTime();
                    if (start > 0 && startTime == -1) {
                        startTime = info.presentationTimeUs;
                    }
                    if (end < 0 || info.presentationTimeUs < end) {
                        info.offset = 0;
                        info.flags = extractor.getSampleFlags();
                        if (mediaMuxer.writeSampleData(muxerTrackIndex, buffer, info, isAudio)) {
                            // didWriteData(messageObject, file, false, false);
                        }
                        extractor.advance();
                    } else {
                        eof = true;
                    }
                }
            } else if (index == -1) {
                eof = true;
            }
            if (eof) {
                inputDone = true;
            }
        }

        extractor.unselectTrack(trackIndex);
        return startTime;
    }
    return -1;
}
Example 4
Source File: VideoController.java    From VideoCompressor with Apache License 2.0 4 votes vote down vote up 
@TargetApi(16)
private long readAndWriteTrack(MediaExtractor extractor, MP4Builder mediaMuxer, MediaCodec.BufferInfo info, long start, long end, File file, boolean isAudio) throws Exception {
    int trackIndex = selectTrack(extractor, isAudio);
    if (trackIndex >= 0) {
        extractor.selectTrack(trackIndex);
        MediaFormat trackFormat = extractor.getTrackFormat(trackIndex);
        int muxerTrackIndex = mediaMuxer.addTrack(trackFormat, isAudio);
        int maxBufferSize = trackFormat.getInteger(MediaFormat.KEY_MAX_INPUT_SIZE);
        boolean inputDone = false;
        if (start > 0) {
            extractor.seekTo(start, MediaExtractor.SEEK_TO_PREVIOUS_SYNC);
        } else {
            extractor.seekTo(0, MediaExtractor.SEEK_TO_PREVIOUS_SYNC);
        }
        ByteBuffer buffer = ByteBuffer.allocateDirect(maxBufferSize);
        long startTime = -1;

        while (!inputDone) {

            boolean eof = false;
            int index = extractor.getSampleTrackIndex();
            if (index == trackIndex) {
                info.size = extractor.readSampleData(buffer, 0);

                if (info.size < 0) {
                    info.size = 0;
                    eof = true;
                } else {
                    info.presentationTimeUs = extractor.getSampleTime();
                    if (start > 0 && startTime == -1) {
                        startTime = info.presentationTimeUs;
                    }
                    if (end < 0 || info.presentationTimeUs < end) {
                        info.offset = 0;
                        info.flags = extractor.getSampleFlags();
                        if (mediaMuxer.writeSampleData(muxerTrackIndex, buffer, info, isAudio)) {
                            // didWriteData(messageObject, file, false, false);
                        }
                        extractor.advance();
                    } else {
                        eof = true;
                    }
                }
            } else if (index == -1) {
                eof = true;
            }
            if (eof) {
                inputDone = true;
            }
        }

        extractor.unselectTrack(trackIndex);
        return startTime;
    }
    return -1;
}
Example 5
Source File: MediaController.java    From talk-android with MIT License 4 votes vote down vote up 
@TargetApi(16)
private long readAndWriteTrack(MediaExtractor extractor, MP4Builder mediaMuxer, MediaCodec.BufferInfo info, long start, long end, File file, boolean isAudio) throws Exception {
    int trackIndex = selectTrack(extractor, isAudio);
    if (trackIndex >= 0) {
        extractor.selectTrack(trackIndex);
        MediaFormat trackFormat = extractor.getTrackFormat(trackIndex);
        int muxerTrackIndex = mediaMuxer.addTrack(trackFormat, isAudio);
        int maxBufferSize = trackFormat.getInteger(MediaFormat.KEY_MAX_INPUT_SIZE);
        boolean inputDone = false;
        if (start > 0) {
            extractor.seekTo(start, MediaExtractor.SEEK_TO_PREVIOUS_SYNC);
        } else {
            extractor.seekTo(0, MediaExtractor.SEEK_TO_PREVIOUS_SYNC);
        }
        ByteBuffer buffer = ByteBuffer.allocateDirect(maxBufferSize);
        long startTime = -1;

        while (!inputDone) {

            boolean eof = false;
            int index = extractor.getSampleTrackIndex();
            if (index == trackIndex) {
                info.size = extractor.readSampleData(buffer, 0);

                if (info.size < 0) {
                    info.size = 0;
                    eof = true;
                } else {
                    info.presentationTimeUs = extractor.getSampleTime();
                    if (start > 0 && startTime == -1) {
                        startTime = info.presentationTimeUs;
                    }
                    if (end < 0 || info.presentationTimeUs < end) {
                        info.offset = 0;
                        info.flags = extractor.getSampleFlags();
                        if (mediaMuxer.writeSampleData(muxerTrackIndex, buffer, info, isAudio)) {
                            // didWriteData(messageObject, file, false, false);
                        }
                        extractor.advance();
                    } else {
                        eof = true;
                    }
                }
            } else if (index == -1) {
                eof = true;
            }
            if (eof) {
                inputDone = true;
            }
        }

        extractor.unselectTrack(trackIndex);
        return startTime;
    }
    return -1;
}
Example 6
Source File: MediaController.java    From SiliCompressor with Apache License 2.0 4 votes vote down vote up 
@TargetApi(16)
private long readAndWriteTrack(MediaExtractor extractor, MP4Builder mediaMuxer, MediaCodec.BufferInfo info, long start, long end, File file, boolean isAudio) throws Exception {
    int trackIndex = selectTrack(extractor, isAudio);
    if (trackIndex >= 0) {
        extractor.selectTrack(trackIndex);
        MediaFormat trackFormat = extractor.getTrackFormat(trackIndex);
        int muxerTrackIndex = mediaMuxer.addTrack(trackFormat, isAudio);
        int maxBufferSize = trackFormat.getInteger(MediaFormat.KEY_MAX_INPUT_SIZE);
        boolean inputDone = false;
        if (start > 0) {
            extractor.seekTo(start, MediaExtractor.SEEK_TO_PREVIOUS_SYNC);
        } else {
            extractor.seekTo(0, MediaExtractor.SEEK_TO_PREVIOUS_SYNC);
        }
        ByteBuffer buffer = ByteBuffer.allocateDirect(maxBufferSize);
        long startTime = -1;

        while (!inputDone) {

            boolean eof = false;
            int index = extractor.getSampleTrackIndex();
            if (index == trackIndex) {
                info.size = extractor.readSampleData(buffer, 0);

                if (info.size < 0) {
                    info.size = 0;
                    eof = true;
                } else {
                    info.presentationTimeUs = extractor.getSampleTime();
                    if (start > 0 && startTime == -1) {
                        startTime = info.presentationTimeUs;
                    }
                    if (end < 0 || info.presentationTimeUs < end) {
                        info.offset = 0;
                        info.flags = extractor.getSampleFlags();
                        if (mediaMuxer.writeSampleData(muxerTrackIndex, buffer, info, isAudio)) {
                            // didWriteData(messageObject, file, false, false);
                        }
                        extractor.advance();
                    } else {
                        eof = true;
                    }
                }
            } else if (index == -1) {
                eof = true;
            }
            if (eof) {
                inputDone = true;
            }
        }

        extractor.unselectTrack(trackIndex);
        return startTime;
    }
    return -1;
}
Example 7
Source File: VideoRecoder.java    From deltachat-android with GNU General Public License v3.0 4 votes vote down vote up 
@TargetApi(16)
private long readAndWriteTrack(MediaExtractor extractor, MP4Builder mediaMuxer, MediaCodec.BufferInfo info, long start, long end, File file, boolean isAudio) throws Exception {
  int trackIndex = selectTrack(extractor, isAudio);
  if (trackIndex >= 0) {
    extractor.selectTrack(trackIndex);
    MediaFormat trackFormat = extractor.getTrackFormat(trackIndex);
    int muxerTrackIndex = mediaMuxer.addTrack(trackFormat, isAudio);
    int maxBufferSize = trackFormat.getInteger(MediaFormat.KEY_MAX_INPUT_SIZE);
    boolean inputDone = false;
    if (start > 0) {
      extractor.seekTo(start, MediaExtractor.SEEK_TO_PREVIOUS_SYNC);
    } else {
      extractor.seekTo(0, MediaExtractor.SEEK_TO_PREVIOUS_SYNC);
    }
    ByteBuffer buffer = ByteBuffer.allocateDirect(maxBufferSize);
    long startTime = -1;

    checkConversionCanceled();
    long lastTimestamp = -100;

    while (!inputDone) {
      checkConversionCanceled();

      boolean eof = false;
      int index = extractor.getSampleTrackIndex();
      if (index == trackIndex) {
        info.size = extractor.readSampleData(buffer, 0);
        if (info.size >= 0) {
          info.presentationTimeUs = extractor.getSampleTime();
        } else {
          info.size = 0;
          eof = true;
        }

        if (info.size > 0 && !eof) {
          if (start > 0 && startTime == -1) {
            startTime = info.presentationTimeUs;
          }
          if (end < 0 || info.presentationTimeUs < end) {
            if (info.presentationTimeUs > lastTimestamp) {
              info.offset = 0;
              info.flags = extractor.getSampleFlags();
              if (mediaMuxer.writeSampleData(muxerTrackIndex, buffer, info, isAudio)) {
                //didWriteData(messageObject, file, false, false);
              }
            }
            lastTimestamp = info.presentationTimeUs;
          } else {
            eof = true;
          }
        }
        if (!eof) {
          extractor.advance();
        }
      } else if (index == -1) {
        eof = true;
      } else {
        extractor.advance();
      }
      if (eof) {
        inputDone = true;
      }
    }

    extractor.unselectTrack(trackIndex);
    return startTime;
  }
  return -1;
}