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Java MediaExtractor.setDataSource方法代码示例

本文整理汇总了Java中android.media.MediaExtractor.setDataSource方法的典型用法代码示例。如果您正苦于以下问题：Java MediaExtractor.setDataSource方法的具体用法？Java MediaExtractor.setDataSource怎么用？Java MediaExtractor.setDataSource使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类android.media.MediaExtractor的用法示例。


在下文中一共展示了MediaExtractor.setDataSource方法的15个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。

示例1: readyExtractor

import android.media.MediaExtractor; //导入方法依赖的package包/类
/**
 * 現在のfilePathを使ってExtractorを作成する
 */
private boolean readyExtractor(String filePath) {
    boolean isOk = false;
    mBufferinfo = new MediaCodec.BufferInfo();

    try {
        mExtractor = new MediaExtractor();
        mExtractor.setDataSource(filePath);
        isOk = true;

    } catch (IOException e) {
        e.printStackTrace();
        Log.d(TAG, "Failed to setDataSource id:" + id);
        mVideoData = null;
    }

    return isOk;
}
开发者ID:ficklerobot，项目名称:grid-video-viewer，代码行数:21，代码来源:DecodeThread.java

示例2: initExtractor

import android.media.MediaExtractor; //导入方法依赖的package包/类
public boolean initExtractor(String filePath) throws IOException {
  decoding = false;
  audioExtractor = new MediaExtractor();
  audioExtractor.setDataSource(filePath);
  for (int i = 0; i < audioExtractor.getTrackCount() && !mime.startsWith("audio/"); i++) {
    audioFormat = audioExtractor.getTrackFormat(i);
    mime = audioFormat.getString(MediaFormat.KEY_MIME);
    if (mime.startsWith("audio/")) {
      audioExtractor.selectTrack(i);
    } else {
      audioFormat = null;
    }
  }
  if (audioFormat != null && mime.equals("audio/mp4a-latm")) {
    isStereo = (audioFormat.getInteger(MediaFormat.KEY_CHANNEL_COUNT) == 2);
    sampleRate = audioFormat.getInteger(MediaFormat.KEY_SAMPLE_RATE);
    return true;
    //audio decoder not supported
  } else {
    mime = "";
    audioFormat = null;
    return false;
  }
}
开发者ID:pedroSG94，项目名称:rtmp-rtsp-stream-client-java，代码行数:25，代码来源:AudioDecoder.java

示例3: initExtractor

import android.media.MediaExtractor; //导入方法依赖的package包/类
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 && mime.equals("video/avc")) {
    width = videoFormat.getInteger(MediaFormat.KEY_WIDTH);
    height = videoFormat.getInteger(MediaFormat.KEY_HEIGHT);
    return true;
    //video decoder not supported
  } else {
    mime = "";
    videoFormat = null;
    return false;
  }
}
开发者ID:pedroSG94，项目名称:rtmp-rtsp-stream-client-java，代码行数:25，代码来源:VideoDecoder.java

示例4: retrieveFrameRate

import android.media.MediaExtractor; //导入方法依赖的package包/类
public int retrieveFrameRate() {
    MediaExtractor extractor = new MediaExtractor();
    int frameRate = -1;
    try {
        //Adjust data source as per the requirement if file, URI, etc.
        extractor.setDataSource(getPath());
        int numTracks = extractor.getTrackCount();
        for (int i = 0; i < numTracks; i++) {
            MediaFormat format = extractor.getTrackFormat(i);
            if (format.containsKey(MediaFormat.KEY_FRAME_RATE)) {
                frameRate = format.getInteger(MediaFormat.KEY_FRAME_RATE);
            }
        }
    } catch (IOException e) {
        e.printStackTrace();
    } finally {
        //Release stuff
        extractor.release();
    }
    return frameRate;
}
开发者ID:kollerlukas，项目名称:Camera-Roll-Android-App，代码行数:22，代码来源:Video.java

示例5: getDuration

import android.media.MediaExtractor; //导入方法依赖的package包/类
/**
 * 获取视频信息
 *
 * @param url
 * @return
 */
public static long getDuration(String url) {
	try {
		MediaExtractor mediaExtractor = new MediaExtractor();
		mediaExtractor.setDataSource(url);
		int videoExt = TrackUtils.selectVideoTrack(mediaExtractor);
		if(videoExt == -1){
			videoExt = TrackUtils.selectAudioTrack(mediaExtractor);
			if(videoExt == -1){
				return 0;
			}
		}
		MediaFormat mediaFormat = mediaExtractor.getTrackFormat(videoExt);
		long res = mediaFormat.containsKey(MediaFormat.KEY_DURATION) ? mediaFormat.getLong(MediaFormat.KEY_DURATION) : 0;//时长
		mediaExtractor.release();
		return res;
	} catch (Exception e) {
		return 0;
	}
}
开发者ID:yangjie10930，项目名称:EpMedia，代码行数:26，代码来源:VideoUitls.java

示例6: music

import android.media.MediaExtractor; //导入方法依赖的package包/类
/**
 * 添加背景音乐
 *
 * @param videoin          视频文件
 * @param audioin          音频文件
 * @param output           输出路径
 * @param videoVolume      视频原声音音量(例:0.7为70%)
 * @param audioVolume      背景音乐音量(例:1.5为150%)
 * @param onEditorListener 回调监听
 */
public static void music(String videoin, String audioin, String output, float videoVolume, float audioVolume, OnEditorListener onEditorListener) {
	MediaExtractor mediaExtractor = new MediaExtractor();
	try {
		mediaExtractor.setDataSource(videoin);
	} catch (IOException e) {
		e.printStackTrace();
		return;
	}
	int at = TrackUtils.selectAudioTrack(mediaExtractor);
	CmdList cmd = new CmdList();
	cmd.append("ffmpeg").append("-y").append("-i").append(videoin);
	if (at == -1) {
		int vt = TrackUtils.selectVideoTrack(mediaExtractor);
		float duration = (float) mediaExtractor.getTrackFormat(vt).getLong(MediaFormat.KEY_DURATION) / 1000 / 1000;
		cmd.append("-ss").append("0").append("-t").append(duration).append("-i").append(audioin).append("-acodec").append("copy").append("-vcodec").append("copy");
	} else {
		cmd.append("-i").append(audioin).append("-filter_complex")
				.append("[0:a]aformat=sample_fmts=fltp:sample_rates=44100:channel_layouts=stereo,volume=" + videoVolume + "[a0];[1:a]aformat=sample_fmts=fltp:sample_rates=44100:channel_layouts=stereo,volume=" + audioVolume + "[a1];[a0][a1]amix=inputs=2:duration=first[aout]")
				.append("-map").append("[aout]").append("-ac").append("2").append("-c:v")
				.append("copy").append("-map").append("0:v:0");
	}
	cmd.append(output);
	mediaExtractor.release();
	execCmd(cmd, 0, onEditorListener);
}
开发者ID:yangjie10930，项目名称:EpMedia，代码行数:36，代码来源:EpEditor.java

示例7: concatVideoListFromMediaCodec

import android.media.MediaExtractor; //导入方法依赖的package包/类
private static void concatVideoListFromMediaCodec(List<String> pathList,
                                                  String destinationVideoFilePath, int videoRotation,
                                                  ConcatMediaCallback concatMediaCallback) throws IOException {
  MediaExtractor extractor = new MediaExtractor();
  MediaFormat format = null;
  extractor.setDataSource(pathList.get(0));
  int numTracks = extractor.getTrackCount();
  // find and select the first audio track present in the file.
  for (int i = 0; i < numTracks; i++) {
    format = extractor.getTrackFormat(i);
    if (format.getString(MediaFormat.KEY_MIME).startsWith("audio/")) {
      extractor.selectTrack(i);
      break;
    }
  }
  MediaCodec mediaCodec = MediaCodec.createDecoderByType(format.getString(MediaFormat.KEY_MIME));
  mediaCodec.configure(format, null, null, 0);
  mediaCodec.start();
}
开发者ID:XueyanLiu，项目名称:miku，代码行数:20，代码来源:VideoUtils.java

示例8: initMediaExtractor

import android.media.MediaExtractor; //导入方法依赖的package包/类
/**
 * Initialize a MediaExctractor if needed
 * @throws IOException
 */
private void initMediaExtractor() throws IOException{
    String filePath = Environment.getExternalStorageDirectory().getPath() + "/rpi960mal810.h264";
    //String filePath = "/storage/sdcard/rpi960mal810.h264";
    //String filePath = Environment.getExternalStorageDirectory().getPath() + "/somefile2.264"; //???
    //String filePath = "/storage/external_SD/movies/scut1.avi"; //???
    //String filePath = Environment.getExternalStorageDirectory().getPath() + "/vv/cat.h264";
    //String filePath = Environment.getExternalStorageDirectory().getPath() + "/vv/ravi2.264";
    //String filePath = Environment.getExternalStorageDirectory().getPath() + "/testfile.264";
    //String filePath = Environment.getExternalStorageDirectory().getPath() + "/vv/cat90.h264";

    File f = new File(filePath);
    boolean ext =  f.exists();


    mediaExtractor = new MediaExtractor();
    mediaExtractor.setDataSource(filePath);
    int trackCount = mediaExtractor.getTrackCount();
    if(trackCount != 1){
       // throw new RuntimeException("TrackCount = " + trackCount + ". Only Single Track is supported");
    }
    mediaExtractor.selectTrack(0);
}
开发者ID:HaBaLeS，项目名称:sac-fpv，代码行数:27，代码来源:H264DecodeThread.java

示例9: initMediaExtractor

import android.media.MediaExtractor; //导入方法依赖的package包/类
/**
 * Initialize a MediaExctractor if needed
 * @throws IOException
 */
private void initMediaExtractor() throws IOException{
    String filePath = Environment.getExternalStorageDirectory().getPath() + "/rpi960mal810.h264";
    //String filePath = "/storage/sdcard/rpi960mal810.h264";
    //String filePath = Environment.getExternalStorageDirectory().getPath() + "/somefile2.264"; //???
    //String filePath = "/storage/external_SD/movies/scut1.avi"; //???
    //String filePath = Environment.getExternalStorageDirectory().getPath() + "/vv/cat.h264";
    //String filePath = Environment.getExternalStorageDirectory().getPath() + "/vv/ravi2.264";
    //String filePath = Environment.getExternalStorageDirectory().getPath() + "/testfile.264";
    //String filePath = Environment.getExternalStorageDirectory().getPath() + "/vv/cat90.h264";

    File f = new File(filePath);
    boolean ext =  f.exists();


    mediaExtractor = new MediaExtractor();
    mediaExtractor.setDataSource(filePath);
    int trackCount = mediaExtractor.getTrackCount();
    if(trackCount != 1){
        // throw new RuntimeException("TrackCount = " + trackCount + ". Only Single Track is supported");
    }
    mediaExtractor.selectTrack(0);
}
开发者ID:HaBaLeS，项目名称:sac-fpv，代码行数:27，代码来源:H264DecodeThreadFileBasedLogging.java

示例10: initStream

import android.media.MediaExtractor; //导入方法依赖的package包/类
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();
}
开发者ID:jcodeing，项目名称:K-Sonic，代码行数:19，代码来源:Track.java

示例11: isMatchAudioFormat

import android.media.MediaExtractor; //导入方法依赖的package包/类
/**
 * 该音频是否符合采样率是sampleRate,通道数是channelCount,值为-1表示忽略该条件
 * 
 * @param audioFile
 * @param sampleRate
 * @param channelCount
 * @return
 */
public static boolean isMatchAudioFormat(String audioFile, int sampleRate,int channelCount){
	MediaExtractor mex = new MediaExtractor();
    try {
        mex.setDataSource(audioFile);
    } catch (IOException e) {
        e.printStackTrace();
    }
    
    MediaFormat mf = mex.getTrackFormat(0);
    
    boolean result = true;
    if(sampleRate != -1){
    	result = sampleRate == mf.getInteger(MediaFormat.KEY_SAMPLE_RATE);
    }
    
    if(result && channelCount != -1){
    	result = channelCount == mf.getInteger(MediaFormat.KEY_CHANNEL_COUNT);
    }

    mex.release();
    
    return result;
}
开发者ID:YeDaxia，项目名称:MusicPlus，代码行数:32，代码来源:MediaUtils.java

示例12: MP4Encorder

import android.media.MediaExtractor; //导入方法依赖的package包/类
public MP4Encorder(Session session){
    mediaExtractor = new MediaExtractor();
    try {
        mediaExtractor.setDataSource(session.getVideoPath());
    } catch (IOException e) {
        e.printStackTrace();
    }
    for(int i = 0; i < mediaExtractor.getTrackCount(); i++) {
        MediaFormat format = mediaExtractor.getTrackFormat(i);
        String mime = format.getString(MediaFormat.KEY_MIME);
        if (!mime.startsWith("video/")) {
            continue;
        }
        framerate = format.getInteger(MediaFormat.KEY_FRAME_RATE);
        mediaExtractor.selectTrack(i);
        session.getVideoQuality().setmFrameRate(framerate);
    }
}
开发者ID:lijundacom，项目名称:AndroidRTSPLib2，代码行数:19，代码来源:MP4Encorder.java

示例13: prepare

import android.media.MediaExtractor; //导入方法依赖的package包/类
public void prepare(String path) {
    mExtractor = new MediaExtractor();
    try {
        mExtractor.setDataSource(path);
    } catch (IOException e) {
        e.printStackTrace();
    }
    int tracks = mExtractor.getTrackCount();
    for (int i = 0; i < tracks; i++) {
        MediaFormat format = mExtractor.getTrackFormat(i);
        String mime = format.getString(MediaFormat.KEY_MIME);
        Logs.i(TAG, "mime = " + mime);
    }
    mExtractor.selectTrack(0);
    mAudioBuffer = ByteBuffer.allocate(1024);

    next();;
}
开发者ID:binkery，项目名称:allinone，代码行数:19，代码来源:AudioEncoder.java

示例14: prepareAudio

import android.media.MediaExtractor; //导入方法依赖的package包/类
private MediaExtractor prepareAudio(String path) {
    MediaExtractor mExtractor = new MediaExtractor();
    try {
        mExtractor.setDataSource(path);
    } catch (IOException e) {
        e.printStackTrace();
    }
    int tracks = mExtractor.getTrackCount();
    for (int i = 0; i < tracks; i++) {
        MediaFormat format = mExtractor.getTrackFormat(i);
        String mime = format.getString(MediaFormat.KEY_MIME);
        Logs.i(TAG, "mime = " + mime);
    }

    mExtractor.selectTrack(0);
    return mExtractor;
}
开发者ID:binkery，项目名称:allinone，代码行数:18，代码来源:Maker.java

示例15: prepare

import android.media.MediaExtractor; //导入方法依赖的package包/类
@Override
public boolean prepare() throws IOException {
  if (!prepared) {
    extractor = new MediaExtractor();
    extractor.setDataSource(context, uri, headers);
    trackStates = new int[extractor.getTrackCount()];
    pendingDiscontinuities = new boolean[trackStates.length];
    trackInfos = new TrackInfo[trackStates.length];
    for (int i = 0; i < trackStates.length; i++) {
      android.media.MediaFormat format = extractor.getTrackFormat(i);
      long durationUs = format.containsKey(android.media.MediaFormat.KEY_DURATION) ?
          format.getLong(android.media.MediaFormat.KEY_DURATION) : C.UNKNOWN_TIME_US;
      String mime = format.getString(android.media.MediaFormat.KEY_MIME);
      trackInfos[i] = new TrackInfo(mime, durationUs);
    }
    prepared = true;
  }
  return true;
}
开发者ID:Weco，项目名称:android-exoplayer，代码行数:20，代码来源:FrameworkSampleSource.java


注：本文中的android.media.MediaExtractor.setDataSource方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。