android.media.MediaRecorder类的使用及代码示例

x33g5p2x  于2022-01-24 转载在 其他  
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本文整理了Java中android.media.MediaRecorder类的一些代码示例，展示了MediaRecorder类的具体用法。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。MediaRecorder类的具体详情如下：
包路径：android.media.MediaRecorder
类名称：MediaRecorder

MediaRecorder介绍

暂无

代码示例

代码示例来源：origin: stackoverflow.com

recorder = new MediaRecorder();
initRecorder();
setContentView(R.layout.main);
recorder.setAudioSource(MediaRecorder.AudioSource.DEFAULT);
recorder.setVideoSource(MediaRecorder.VideoSource.DEFAULT);
recorder.setProfile(cpHigh);
recorder.setOutputFile("/sdcard/videocapture_example.mp4");
recorder.setMaxDuration(50000); // 50 seconds
recorder.setMaxFileSize(5000000); // Approximately 5 megabytes
recorder.setPreviewDisplay(holder.getSurface());
  recorder.prepare();
} catch (IllegalStateException e) {
  e.printStackTrace();
  recorder.stop();
  recording = false;
} else {
  recording = true;
  recorder.start();
  recorder.stop();
  recording = false;
recorder.release();

代码示例来源：origin: stackoverflow.com

String out = new SimpleDateFormat("dd-MM-yyyy hh-mm-ss").format(new Date());
  File sampleDir = new File(Environment.getExternalStorageDirectory(), "/TestRecordingDasa1");
  if (!sampleDir.exists()) {
  recorder = new MediaRecorder();
  recorder.setAudioSource(MediaRecorder.AudioSource.VOICE_COMMUNICATION);
  recorder.setOutputFormat(MediaRecorder.OutputFormat.AMR_NB);
  recorder.setAudioEncoder(MediaRecorder.AudioEncoder.AMR_NB);
  recorder.setOutputFile(audiofile.getAbsolutePath());
  try {
    recorder.prepare();
  } catch (IllegalStateException e) {
    e.printStackTrace();
    e.printStackTrace();
  recorder.start();
  recordstarted = true;
Toast.makeText(context, "REJECT || DISCO", Toast.LENGTH_LONG).show();
if (recordstarted) {
  recorder.stop();
  recordstarted = false;

代码示例来源：origin: stackoverflow.com

mediaRecorder = new MediaRecorder();
  camera.unlock();
  mediaRecorder.setPreviewDisplay(surfaceHolder.getSurface());
  mediaRecorder.setCamera(camera);
  mediaRecorder.setAudioSource(MediaRecorder.AudioSource.CAMCORDER);
  mediaRecorder.setVideoSource(MediaRecorder.VideoSource.CAMERA);
  mediaRecorder.setProfile(CamcorderProfile.get(CamcorderProfile.QUALITY_HIGH));
  mediaRecorder.setOutputFile(
      Environment.getExternalStorageDirectory()+"/"+
      DateFormat.format("yyyy-MM-dd_kk-mm-ss", new Date().getTime())+
      ".mp4"
  );
  try { mediaRecorder.prepare(); } catch (Exception e) {}
  mediaRecorder.start();
public void onDestroy() {
  mediaRecorder.stop();
  mediaRecorder.reset();
  mediaRecorder.release();
  camera.lock();
  camera.release();

代码示例来源：origin: ankidroid/Anki-Android

private MediaRecorder initMediaRecorder() {
    MediaRecorder mr = new MediaRecorder();
    mr.setAudioSource(MediaRecorder.AudioSource.MIC);
    mr.setOutputFormat(MediaRecorder.OutputFormat.THREE_GPP);
    mStatus = Status.INITIALIZED;
    mr.setOutputFile(mAudioPath); // audioPath
                   // could
                   // change
    return mr;
  }
};

代码示例来源：origin: florent37/CameraFragment

protected void releaseVideoRecorder() {
  try {
    if (videoRecorder != null) {
      videoRecorder.reset();
      videoRecorder.release();
    }
  } catch (Exception ignore) {
  } finally {
    videoRecorder = null;
  }
}

代码示例来源：origin: commonsguy/cw-omnibus

@Override
public void onStart() {
 super.onStart();
 recorder=new MediaRecorder();
 recorder.setOnErrorListener(this);
 recorder.setOnInfoListener(this);
}

代码示例来源：origin: stackoverflow.com

btnStarRecord.setOnClickListener(new View.OnClickListener() {
   @Override
   public void onClick(View v) {
     final Date date = new Date();
     final SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd HH-mm-ss");
     myRecorder = new MediaRecorder();
     myRecorder.setAudioSource(MediaRecorder.AudioSource.MIC);
     myRecorder.setOutputFormat(MediaRecorder.OutputFormat.THREE_GPP);
     myRecorder.setAudioEncoder(MediaRecorder.OutputFormat.AMR_NB);
     myRecorder.setOutputFile(Environment.getExternalStorageDirectory() + "/myFolder" + "/" + dateFormat.format(date) + ".amr");
     start(v);
   }
 });

代码示例来源：origin: huangfangyi/YiChat

public int stopRecoding() {
  if(recorder != null){
    isRecording = false;
    recorder.stop();
    recorder.release();
    recorder = null;
    
    if(file == null || !file.exists() || !file.isFile()){
      return 401;
    }
    if (file.length() == 0) {
      file.delete();
      return 401;
    }
    int seconds = (int) (new Date().getTime() - startTime) / 1000;
    // EMLog.d("voice", "voice recording finished. seconds:" + seconds + " file length:" + file.length());
    return seconds;
  }
  return 0;
}

代码示例来源：origin: dongorigin/AndroidDemo

String timestamp = new SimpleDateFormat("yyyyMMdd_HHmmss").format(new Date());
String filename = "AUDIO_" + timestamp + ".aac";
mCurrentFile = new File(cacheDir, filename);
mMediaRecorder = new MediaRecorder();
mMediaRecorder.setAudioSource(MediaRecorder.AudioSource.MIC);
mMediaRecorder.setOutputFormat(MediaRecorder.OutputFormat.AAC_ADTS);
mMediaRecorder.setOutputFile(mCurrentFile.getAbsolutePath());
mMediaRecorder.setAudioEncoder(MediaRecorder.AudioEncoder.AAC);
mMediaRecorder.prepare();
mMediaRecorder.start();
mRecordStartTime = System.nanoTime();
isRecording = true;

代码示例来源：origin: stackoverflow.com

mMediaRecorder.start();
    else {
      mMediaRecorder.stop();
      mMediaRecorder.reset();
      try {
        initRecorder(mHolder.getSurface());
  mMediaRecorder = new MediaRecorder();
mMediaRecorder.setPreviewDisplay(surface);
mMediaRecorder.setCamera(mCamera);
mMediaRecorder.setVideoSource(MediaRecorder.VideoSource.CAMERA);
mMediaRecorder.setAudioSource(MediaRecorder.AudioSource.DEFAULT);
mMediaRecorder.setOutputFormat(MediaRecorder.OutputFormat.DEFAULT);
mMediaRecorder.setOutputFile(this.initFile().getAbsolutePath());
mMediaRecorder.setMaxDuration(50000);
mMediaRecorder.setVideoFrameRate(24);
mMediaRecorder.setVideoSize(1280, 720);
mMediaRecorder.setVideoEncodingBitRate(3000000);
mMediaRecorder.setAudioEncodingBitRate(8000);
mMediaRecorder.setVideoEncoder(MediaRecorder.VideoEncoder.DEFAULT);
mMediaRecorder.setAudioEncoder(MediaRecorder.AudioEncoder.AMR_NB);

代码示例来源：origin: stackoverflow.com

mMediaRecorder = new MediaRecorder();
mMediaRecorder.start();
  mMediaRecorder.stop();
  mMediaRecorder.reset();
  mMediaRecorder.prepare();
} catch (Exception e) {
  e.printStackTrace();
mMediaRecorder.setAudioSource(MediaRecorder.AudioSource.MIC);
mMediaRecorder.setVideoSource(MediaRecorder.VideoSource.SURFACE);
mMediaRecorder.setOutputFormat(MediaRecorder.OutputFormat.MPEG_4);
mMediaRecorder.setVideoEncoder(MediaRecorder.VideoEncoder.H264);
mMediaRecorder.setAudioEncoder(MediaRecorder.AudioEncoder.AMR_NB);
mMediaRecorder.setVideoEncodingBitRate(512 * 1000);
mMediaRecorder.setVideoFrameRate(30);
mMediaRecorder.setVideoSize(width, height);
mMediaRecorder.setOutputFile(filePath);
mVirtualDisplay = getVirtualDisplay();
mMediaRecorder.start();
    width, height, screenDensity,
    DisplayManager.VIRTUAL_DISPLAY_FLAG_AUTO_MIRROR,
    mMediaRecorder.getSurface(), null /*Callbacks*/, null /*Handler*/);

代码示例来源：origin: huangfangyi/YiChat

private void startRecorder() {
  try {
    startRecorderInternal();
  } catch (Exception e) {
    Log.e(TAG, "start MediaRecord failed: " + e);
    Toast.makeText(this, "录制失败...", Toast.LENGTH_SHORT).show();
    mediaRecorder.release();
    mediaRecorder = null;
    camera.release();
    camera = null;
    return;
  }
  recording = true;
  start = new Date().getTime();
  handler.postDelayed(runnable, 1000);
  recordingTimeTextView.setText("00:00");
  updateRecordUI();
}

代码示例来源：origin: sxpl/FaceAC

this.mMediaRecorder = new MediaRecorder();
this.mMediaRecorder.reset();
if (this.mCamera != null) {
  this.mMediaRecorder.setCamera(mCamera);
this.mMediaRecorder.setOnErrorListener(this);
this.mMediaRecorder.setPreviewDisplay(holder.getSurfaceHolder().getSurface());
this.mMediaRecorder.setVideoSource(MediaRecorder.VideoSource.CAMERA);// 视频源
this.mMediaRecorder.setAudioSource(MediaRecorder.AudioSource.MIC);// 音频源
this.mMediaRecorder.setOutputFormat(MediaRecorder.OutputFormat.MPEG_4);// 视频输出格式
this.mMediaRecorder.setAudioEncoder(MediaRecorder.AudioEncoder.AMR_NB);// 音频格式
this.mMediaRecorder.setVideoSize(PREVIEW_WIDTH, PREVIEW_HEIGHT);// 设置分辨率：
if (sizePicture < 3000000) {//这里设置可以调整清晰度
  this.mMediaRecorder.setVideoEncodingBitRate(3 * 1024 * 512);
} else if (sizePicture <= 5000000) {
  this.mMediaRecorder.setVideoEncodingBitRate(2 * 1024 * 512);
} else {
  this.mMediaRecorder.setVideoEncodingBitRate(1 * 1024 * 512);
this.mMediaRecorder.setOrientationHint(270);// 输出旋转270度，保持竖屏录制
this.mMediaRecorder.setVideoEncoder(MediaRecorder.VideoEncoder.H264);// 视频录制格式
this.time = format.format(new Date());
this.outFile = new File(PATH + File.separator + FILE_NAME + time + FILE_NAME_SUFEIX);
this.mMediaRecorder.setOutputFile(outFile.getAbsolutePath());
this.mMediaRecorder.prepare();
try {
  this.mMediaRecorder.start();
} catch (IllegalStateException e) {
  e.printStackTrace();

代码示例来源：origin: EzequielAdrianM/Camera2Vision

return;
videoFile = Environment.getExternalStorageDirectory() + "/" + formatter.format(new Date()) + ".mp4";
mMediaRecorder = new MediaRecorder();
mMediaRecorder.setVideoSource(MediaRecorder.VideoSource.SURFACE);
mMediaRecorder.setOutputFormat(MediaRecorder.OutputFormat.MPEG_4);
mMediaRecorder.setOutputFile(videoFile);
mMediaRecorder.setVideoEncodingBitRate(10000000);
mMediaRecorder.setVideoFrameRate(30);
mMediaRecorder.setVideoSize(mVideoSize.getWidth(), mVideoSize.getHeight());
mMediaRecorder.setVideoEncoder(MediaRecorder.VideoEncoder.H264);
  mMediaRecorder.setOrientationHint(INVERSE_ORIENTATIONS.get(mDisplayOrientation));
} else {
  mMediaRecorder.setOrientationHint(ORIENTATIONS.get(mDisplayOrientation));
mMediaRecorder.prepare();
closePreviewSession();
createCameraRecordSession();

代码示例来源：origin: stackoverflow.com

mRecorder = new MediaRecorder();
    mRecorder.setAudioSource(MediaRecorder.AudioSource.MIC);
    mRecorder.setOutputFormat(MediaRecorder.OutputFormat.THREE_GPP);
    mRecorder.setAudioEncoder(MediaRecorder.AudioEncoder.AMR_NB);
    mRecorder.setOutputFile("/dev/null"); 
    mRecorder.prepare();
    mRecorder.start();
    mRecorder.stop();       
    mRecorder.release();
    mRecorder = null;
    return  mRecorder.getMaxAmplitude();
else
    return 0;

代码示例来源：origin: stackoverflow.com

private SurfaceHolder surfaceHolder;
private SurfaceView surfaceView;
public MediaRecorder mrec = new MediaRecorder();
private Button startRecording = null;
      String message = e.getMessage();
      Log.i(null, "Problem Start"+message);
      mrec.release();
    mrec.stop();
    mrec.release();
    mrec = null;
    break;
  mrec = new MediaRecorder();  // Works well
  mCamera.unlock();
  mrec.setCamera(mCamera);
  mrec.setPreviewDisplay(surfaceHolder.getSurface());
  mrec.setVideoSource(MediaRecorder.VideoSource.CAMERA);
  mrec.setAudioSource(MediaRecorder.AudioSource.MIC); 
  mrec.setProfile(CamcorderProfile.get(CamcorderProfile.QUALITY_HIGH));
  mrec.setPreviewDisplay(surfaceHolder.getSurface());
  mrec.setOutputFile("/sdcard/zzzz.3gp"); 
  mrec.prepare();
  mrec.start();

代码示例来源：origin: florent37/CameraFragment

@Override
protected boolean prepareVideoRecorder() {
  videoRecorder = new MediaRecorder();
  try {
    camera.lock();
    camera.unlock();
    videoRecorder.setCamera(camera);
    videoRecorder.setAudioSource(MediaRecorder.AudioSource.DEFAULT);
    videoRecorder.setVideoSource(MediaRecorder.VideoSource.DEFAULT);
    videoRecorder.setOutputFormat(camcorderProfile.fileFormat);
    videoRecorder.setVideoFrameRate(camcorderProfile.videoFrameRate);
    videoRecorder.setVideoSize(videoSize.getWidth(), videoSize.getHeight());
    videoRecorder.setVideoEncodingBitRate(camcorderProfile.videoBitRate);
    videoRecorder.setVideoEncoder(camcorderProfile.videoCodec);
    videoRecorder.setAudioEncodingBitRate(camcorderProfile.audioBitRate);
    videoRecorder.setAudioChannels(camcorderProfile.audioChannels);
    videoRecorder.setAudioSamplingRate(camcorderProfile.audioSampleRate);
    videoRecorder.setAudioEncoder(camcorderProfile.audioCodec);
    videoRecorder.setOutputFile(outputPath.toString());
      videoRecorder.setMaxFileSize(configurationProvider.getVideoFileSize());
      videoRecorder.setOnInfoListener(this);
      videoRecorder.setMaxDuration(configurationProvider.getVideoDuration());

代码示例来源：origin: stackoverflow.com

mediaRecorder = new MediaRecorder();
  myCamera.unlock();
  mediaRecorder.setCamera(myCamera);
  mediaRecorder.setAudioSource(MediaRecorder.AudioSource.CAMCORDER);
  mediaRecorder.setVideoSource(MediaRecorder.VideoSource.CAMERA);
  mediaRecorder.setProfile(CamcorderProfile.get(CamcorderProfile.QUALITY_HIGH));
  mediaRecorder.setOutputFile("/sdcard/myvideo1.mp4");
  mediaRecorder.setMaxDuration(60000); // Set max duration 60 sec.
  mediaRecorder.setMaxFileSize(50000000); // Set max file size 50Mb
mediaRecorder.setPreviewDisplay(myCameraSurfaceView.getHolder().getSurface());
  mediaRecorder.setOrientationHint(VideoWithSurfaceVw.orientation);
  try {
    mediaRecorder.prepare();
  } catch (IllegalStateException e) {
    releaseMediaRecorder();
    mediaRecorder.reset();   // clear recorder configuration
    mediaRecorder.release(); // release the recorder object
    mediaRecorder = new MediaRecorder();
    myCamera.lock();           // lock camera for later use

代码示例来源：origin: stackoverflow.com

setCameraParameters(camera);
camera.setPreviewDisplay(getHolder());
camera.unlock();
recorder = new MediaRecorder();
recorder.setCamera(camera);
setRecorderParameters(recorder);
recorder.prepare();
recorder.start();
Camera.Parameters param = camera.getParameters();
Pair<Integer, Integer> resolution = getResolution(getParams().quality);
param.setPreviewSize(resolution.first, resolution.second);
param.setFocusMode(Camera.Parameters.FOCUS_MODE_INFINITY);
recorder.setAudioSource(MediaRecorder.AudioSource.MIC);
recorder.setVideoSource(MediaRecorder.VideoSource.CAMERA);
Pair<Integer, Integer> resolution = getResolution(getParams().quality);
profile.videoFrameWidth = resolution.first;
profile.videoFrameHeight = resolution.second;
recorder.setProfile(profile);
recorder.setOutputFile(file.getAbsolutePath());
recorder.setPreviewDisplay(getHolder().getSurface());

代码示例来源：origin: stackoverflow.com

recorder = new MediaRecorder();
  recorder.setAudioSource(MediaRecorder.AudioSource.MIC);
  recorder.setOutputFormat(MediaRecorder.OutputFormat.THREE_GPP);
  recorder.setAudioEncoder(MediaRecorder.AudioEncoder.AMR_NB);
  recorder.setOutputFile(audioDirTemp + "/audio_file"
      + ".mp3");
  recorder.setOnErrorListener(errorListener);
  OnInfoListener infoListener = null;
  recorder.setOnInfoListener(infoListener);
    recorder.prepare();
    recorder.start();
    isRecording = true; // we are currently recording
  } catch (IllegalStateException e) {
handler.removeCallbacks(updateVisualizer);
visualizerView.clear();
recorder.stop();
recorder.reset();
recorder.release();
recorder = null;
  int x = recorder.getMaxAmplitude();

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