android.media.MediaExtractor.setDataSource()方法的使用及代码示例

x33g5p2x  于2022-01-25 转载在 其他  
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本文整理了Java中android.media.MediaExtractor.setDataSource()方法的一些代码示例，展示了MediaExtractor.setDataSource()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。MediaExtractor.setDataSource()方法的具体详情如下：
包路径：android.media.MediaExtractor
类名称：MediaExtractor
方法名：setDataSource

MediaExtractor.setDataSource介绍

暂无

代码示例

代码示例来源：origin: TeamNewPipe/NewPipe

private MediaExtractor getMediaExtractor(FileInputStream source, long offset, long length) throws IOException {
    MediaExtractor extractor = new MediaExtractor();
    extractor.setDataSource(source.getFD(), offset, length);
    extractor.selectTrack(0);

    return extractor;
  }
}

代码示例来源：origin: Naoki2015/CircleDemo

mediaExtractor.setDataSource(mContext, mUri, null);
MediaFormat format;
mHasAudio = false;

代码示例来源：origin: waynell/VideoListPlayer

try {
  MediaExtractor mediaExtractor = new MediaExtractor();
  mediaExtractor.setDataSource(mContext, mUri, null);
  MediaFormat format;
  for (int i = 0; i < mediaExtractor.getTrackCount(); i++) {

代码示例来源：origin: pili-engineering/PLDroidShortVideo

private boolean getSourceVideoParameters() {
  mSrcMediaExtractor = new MediaExtractor();
  try {
    mSrcMediaExtractor.setDataSource(SRC_VIDEO_FILE_PATH);
  } catch (IOException e) {
    Log.e(TAG, "file video setDataSource failed: " + e.getMessage());

代码示例来源：origin: guoxiaoxing/phoenix

mExtractor.setDataSource(mInputFileDescriptor);
mMuxer = new MediaMuxer(outputPath, MediaMuxer.OutputFormat.MUXER_OUTPUT_MPEG_4);
setupMetadata();

代码示例来源：origin: stackoverflow.com

MediaExtractor extractor= new MediaExtractor();
File file = new File(this.fileName);

extractor.setDataSource(this.fileName);
int tracks = extractor.getTrackCount();

extractor.selectTrack(0); ..

代码示例来源：origin: stackoverflow.com

MediaExtractor extractor = new MediaExtractor();
extractor.setDataSource(path);
//where path is a String variable and points to the data source
MediaFormat format = extractor.getTrackFormat(i);
//where i is an int variable and denotes the index value of a track.
//For the first track: i = 0; 
int count = format.getInteger(MediaFormat.KEY_CHANNEL_COUNT);

代码示例来源：origin: stackoverflow.com

MediaExtractor mex = new MediaExtractor();
try {
  mex.setDataSource(path);// the adresss location of the sound on sdcard.
} catch (IOException e) {
  // TODO Auto-generated catch block
  e.printStackTrace();
}

MediaFormat mf = mex.getTrackFormat(0);

int bitRate = mf.getInteger(MediaFormat.KEY_BIT_RATE);
int sampleRate = mf.getInteger(MediaFormat.KEY_SAMPLE_RATE);

代码示例来源：origin: stackoverflow.com

// Assuming a raw resource located at "res/raw/test_audio.mp3"
MediaExtractor extractor = new MediaExtractor();
AssetFileDescriptor afd = getResources().openRawResourceFd(R.raw.test_audio);
try {
  extractor.setDataSource(afd.getFileDescriptor(), afd.getStartOffset(), afd.getLength());
} catch (IOException e) {
  e.printStackTrace();
}

代码示例来源：origin: ywwynm/EverythingDone

public static int getAudioSampleRate(String pathName) {
  MediaExtractor extractor = new MediaExtractor();
  try {
    extractor.setDataSource(pathName);
    MediaFormat mf = extractor.getTrackFormat(0);
    return mf.getInteger(MediaFormat.KEY_SAMPLE_RATE);
  } catch (Exception e) {
    e.printStackTrace();
    return -1;
  } finally {
    extractor.release();
  }
}

代码示例来源：origin: stackoverflow.com

MediaExtractor mex = new MediaExtractor();
 try {
   mex.setDataSource(path);// the adresss location of the sound on sdcard.
 } catch (IOException e) {
   // TODO Auto-generated catch block
   e.printStackTrace();
 }
 MediaFormat mf = mex.getTrackFormat(0);
 int bitRate = mf.getInteger(MediaFormat.KEY_BIT_RATE);
 int sampleRate = mf.getInteger(MediaFormat.KEY_SAMPLE_RATE);
 int channelCount = mf.getInteger(MediaFormat.KEY_CHANNEL_COUNT);

代码示例来源：origin: stackoverflow.com

MediaExtractor extractor = new MediaExtractor();
extractor.setDataSource(MEDIA_PATH);//MEDIA_PATH is your http path of mpeg ts file
for (i = 0; i < extractor.getTrackCount(); i++) {
        MediaFormat format = extractor.getTrackFormat(i);
        String mime = format.getString(MediaFormat.KEY_MIME);
        /*if (mime.startsWith("audio/")) {
          extractor.selectTrack(i);
          decoder = MediaCodec.createDecoderByType(mime);

          if(decoder != null)
          {
            decoder.configure(format, null  /*surface*/ , null  /*crypto*/ , 0  /*flags*/ );
          }

          break;
        }*/ //this commented code may not useful for you. If you wanna you can use..
      }

代码示例来源：origin: aserbao/AndroidCamera

/**
 * Creates an extractor that reads its frames from {@link #mSourceResId}.
 */
private MediaExtractor createExtractor() throws IOException {
  MediaExtractor extractor;
  AssetFileDescriptor srcFd = getResources().openRawResourceFd(mSourceResId);
  extractor = new MediaExtractor();
  extractor.setDataSource(srcFd.getFileDescriptor(), srcFd.getStartOffset(),
      srcFd.getLength());
  return extractor;
}

代码示例来源：origin: windrunnerlihuan/DogCamera

private boolean createSugarExtractor() {
  releaseSugarExtractor();
  mSugarExtractor = new MediaExtractor();
  AssetFileDescriptor afd;
  try {
    afd = DogApplication.getInstance().getAssets().openFd(mRenderConfig.audioPath);
    mSugarExtractor.setDataSource(afd.getFileDescriptor(), afd.getStartOffset(), afd.getLength());
  } catch (IOException e) {
    e.printStackTrace();
    releaseSugarExtractor();
    return false;
  }
  return true;
}

代码示例来源：origin: saki4510t/libcommon

public void setDataSource(final FileDescriptor fd) throws IOException {
  release();
  try {
    mMediaMetadataRetriever = new MediaMetadataRetriever();
    mMediaMetadataRetriever.setDataSource(fd);
    updateMovieInfo(mMediaMetadataRetriever);
    mMediaExtractor = new MediaExtractor();
    mMediaExtractor.setDataSource(fd);
    mState = STATE_INITIALIZED;
  } catch (IOException e) {
    internal_release();
    if (!callErrorHandler(e))
      throw e;
  }
}

代码示例来源：origin: saki4510t/libcommon

public void setDataSource(final String path) throws IOException {
  release();
  try {
    mMediaMetadataRetriever = new MediaMetadataRetriever();
    mMediaMetadataRetriever.setDataSource(path);
    updateMovieInfo(mMediaMetadataRetriever);
    mMediaExtractor = new MediaExtractor();
    mMediaExtractor.setDataSource(path);
    mState = STATE_INITIALIZED;
  } catch (IOException e) {
    internal_release();
    if (!callErrorHandler(e))
      throw e;
  }
}

代码示例来源：origin: saki4510t/libcommon

public void setDataSource(Context context, Uri uri) throws IOException {
  release();
  mMediaMetadataRetriever = new MediaMetadataRetriever();
  try {
    mMediaMetadataRetriever.setDataSource(context, uri);
    updateMovieInfo(mMediaMetadataRetriever);
    mMediaExtractor = new MediaExtractor();
    mMediaExtractor.setDataSource(context, uri, null);
    mState = STATE_INITIALIZED;
  } catch (IOException e) {
    release();
    if (!callErrorHandler(e))
      throw e;
  }
}

代码示例来源：origin: saki4510t/libcommon

public void setDataSource(final String path, final Map<String, String> headers)
  throws IOException {
  release();
  try {
    mMediaMetadataRetriever = new MediaMetadataRetriever();
    mMediaMetadataRetriever.setDataSource(path, headers);
    updateMovieInfo(mMediaMetadataRetriever);
    mMediaExtractor = new MediaExtractor();
    mMediaExtractor.setDataSource(path, headers);
    mState = STATE_INITIALIZED;
  } catch (IOException e) {
    internal_release();
    if (!callErrorHandler(e))
      throw e;
  }
}

代码示例来源：origin: saki4510t/libcommon

public void setDataSource(final Context context, final Uri uri,
  final Map<String, String> headers) throws IOException {
  release();
  try {
    mMediaMetadataRetriever = new MediaMetadataRetriever();
    mMediaMetadataRetriever.setDataSource(context, uri);
    updateMovieInfo(mMediaMetadataRetriever);
    mMediaExtractor = new MediaExtractor();
    mMediaExtractor.setDataSource(context, uri, headers);
    mState = STATE_INITIALIZED;
  } catch (IOException e) {
    internal_release();
    if (!callErrorHandler(e))
      throw e;
  }
}

代码示例来源：origin: saki4510t/libcommon

public void setDataSource(final FileDescriptor fd, final long offset, final long length)
  throws IOException {
  release();
  try {
    mMediaMetadataRetriever = new MediaMetadataRetriever();
    mMediaMetadataRetriever.setDataSource(fd, offset, length);
    updateMovieInfo(mMediaMetadataRetriever);
    mMediaExtractor = new MediaExtractor();
    mMediaExtractor.setDataSource(fd, offset, length);
    mState = STATE_INITIALIZED;
  } catch (IOException e) {
    internal_release();
    if (!callErrorHandler(e))
      throw e;
  }
}

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