android.media.MediaRecorder.start()方法的使用及代码示例

x33g5p2x  于2022-01-24 转载在 其他  
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本文整理了Java中android.media.MediaRecorder.start()方法的一些代码示例，展示了MediaRecorder.start()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.start()方法的具体详情如下：
包路径：android.media.MediaRecorder
类名称：MediaRecorder
方法名：start

MediaRecorder.start介绍

暂无

代码示例

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;

代码示例来源：origin: stackoverflow.com

MediaRecorder mRecorder = new MediaRecorder();
File mFile = new File("The output file's absolutePath");

... //config the mRecorder
mRecorder.setOutputFile(mFile.getAbsolutePath());

... //prepare() ...
mRecorder.start();

try {
  mRecorder.stop();
} catch(RuntimeException e) {
  mFile.delete();  //you must delete the outputfile when the recorder stop failed.
} finally {
  mRecorder.release();
  mRecorder = null;
}

代码示例来源：origin: stackoverflow.com

public class Call extends BroadcastReceiver{       
   private MediaRecorder mRecorder;
   public void onReceive(Context context, Intent intent){           
    //...
    if(state.equalsIgnoreCase(TelephonyManager.EXTRA_STATE_RINGING)){
      mRecorder = new MediaRecorder();
      mRecorder.start();
      //....
    }
    if(state.equalsIgnoreCase(TelephonyManager.EXTRA_STATE_IDLE)){
      if(mRecorder!=null){
        mRecorder.stop();
        mRecorder.release();
        mRecorder = null;
      }
    }
  }
}

代码示例来源：origin: commonsguy/cw-omnibus

recorder.setAudioSource(MediaRecorder.AudioSource.MIC);
recorder.setOutputFormat(MediaRecorder.OutputFormat.RAW_AMR);
recorder.setOutputFile(getStreamFd());
recorder.setAudioEncoder(MediaRecorder.AudioEncoder.AMR_NB);
recorder.setAudioChannels(2);
 recorder.prepare();
 recorder.start();
 recorder.stop();

代码示例来源：origin: stackoverflow.com

MediaRecorder mRecorder = new MediaRecorder();
File mFile = new File("The output file's absolutePath");

... //config the mRecorder
mRecorder.setOutputFile(mFile.getAbsolutePath());

... //prepare() ...
mRecorder.start();

try {
  mRecorder.stop();
} catch(RuntimeException e) {
  mFile.delete();  //you must delete the outputfile when the recorder stop failed.
} finally {
  mRecorder.release();
  mRecorder = null;
}

代码示例来源：origin: stackoverflow.com

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: guardianproject/haven

final MediaRecorder recorder = new MediaRecorder();
recorder.setAudioSource(MediaRecorder.AudioSource.MIC);
recorder.setOutputFormat(MediaRecorder.OutputFormat.MPEG_4);
recorder.setAudioEncoder(MediaRecorder.AudioEncoder.AAC);
recorder.setOutputFile(audioPath.toString());
try {
 recorder.prepare();
} catch (Exception e){
  e.printStackTrace();
  recorder.start();
  try {
    Thread.sleep(prefs.getAudioLength());
  recorder.stop();
  Log.i("AudioRecorderTask", "Stopped recording");
  recorder.release();

代码示例来源：origin: commonsguy/cw-omnibus

BASENAME);
recorder.setAudioSource(MediaRecorder.AudioSource.MIC);
recorder.setOutputFormat(MediaRecorder.OutputFormat.THREE_GPP);
recorder.setOutputFile(output.getAbsolutePath());
 recorder.prepare();
 recorder.start();
 recorder.stop();

代码示例来源：origin: commonsguy/cw-omnibus

void start() {
 recorder=new MediaRecorder();
 recorder.setVideoSource(MediaRecorder.VideoSource.SURFACE);
 recorder.setOutputFormat(MediaRecorder.OutputFormat.MPEG_4);
 recorder.setVideoFrameRate(config.frameRate);
 recorder.setVideoEncoder(MediaRecorder.VideoEncoder.H264);
 recorder.setVideoSize(config.width, config.height);
 recorder.setVideoEncodingBitRate(config.bitRate);
 recorder.setOutputFile(output.getAbsolutePath());
 try {
  recorder.prepare();
  vdisplay=projection.createVirtualDisplay("andcorder",
   config.width, config.height, config.density,
   VIRT_DISPLAY_FLAGS, recorder.getSurface(), null, null);
  beeper.startTone(ToneGenerator.TONE_PROP_ACK);
  recorder.start();
 }
 catch (IOException e) {
  throw new RuntimeException("Exception preparing recorder", e);
 }
}

代码示例来源：origin: stackoverflow.com

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

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.prepare();
    recorder.start();
    isRecording = true; // we are currently recording
  } catch (IllegalStateException e) {
handler.removeCallbacks(updateVisualizer);
visualizerView.clear();
recorder.stop();
recorder.reset();
recorder.release();

代码示例来源：origin: stackoverflow.com

private SurfaceHolder surfaceHolder;
private SurfaceView surfaceView;
public MediaRecorder mrec = new MediaRecorder();
private Button startRecording = null;
    mrec.stop();
    mrec.release();
    mrec = null;
  mrec = new MediaRecorder();  // Works well
  mCamera.unlock();
  mrec.setAudioSource(MediaRecorder.AudioSource.MIC); 
  mrec.setOutputFile("/sdcard/zzzz.3gp"); 
  mrec.prepare();
  mrec.start();
  mrec.stop();
  mrec.release();
  mCamera.release();

代码示例来源：origin: stackoverflow.com

mediaRecorder = new MediaRecorder();
  camera.unlock();
  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())+
  );
  try { mediaRecorder.prepare(); } catch (Exception e) {}
  mediaRecorder.start();
public void onDestroy() {
  mediaRecorder.stop();
  mediaRecorder.reset();
  mediaRecorder.release();

代码示例来源：origin: stackoverflow.com

} else
  mediaRecorder = new MediaRecorder();
  mediaRecorder.setAudioSource(MediaRecorder.AudioSource.MIC);
  mediaRecorder.setOutputFormat(MediaRecorder.OutputFormat.THREE_GPP);
  mediaRecorder.setAudioEncoder(MediaRecorder.AudioEncoder.AMR_NB);                
  if (!rUncompressed)
    mediaRecorder.setOutputFile(filePath);                    
    mediaRecorder.prepare();
    state = State.READY;
    mediaRecorder = new MediaRecorder();
    mediaRecorder.setAudioSource(MediaRecorder.AudioSource.MIC);
    mediaRecorder.setOutputFormat(MediaRecorder.OutputFormat.THREE_GPP);
    mediaRecorder.setAudioEncoder(MediaRecorder.AudioEncoder.AMR_NB);
  mediaRecorder.start();
  mediaRecorder.stop();

代码示例来源：origin: chat-sdk/chat-sdk-android

public File record(String name) {
  stopRecording();
  String path = Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_DOCUMENTS).getAbsolutePath() + AudioMessageDirectory + File.separator;
  File file = new File(path);
  file.mkdir();
  path += name;
  Timber.v("Recording to: " + path);
  recorder = new MediaRecorder();
  recorder.setAudioSource(MediaRecorder.AudioSource.MIC);
  recorder.setOutputFormat(MediaRecorder.OutputFormat.MPEG_4);
  recorder.setOutputFile(path);
  recorder.setAudioEncoder(MediaRecorder.AudioEncoder.AAC);
  try {
    recorder.prepare();
  } catch (IOException e) {
    ChatSDK.logError(e);
  }
  recorder.start();
  startTime = System.currentTimeMillis();
  return new File (path);
}

代码示例来源：origin: dkim0419/SoundRecorder

public void startRecording() {
  setFileNameAndPath();
  mRecorder = new MediaRecorder();
  mRecorder.setAudioSource(MediaRecorder.AudioSource.MIC);
  mRecorder.setOutputFormat(MediaRecorder.OutputFormat.MPEG_4);
  mRecorder.setOutputFile(mFilePath);
  mRecorder.setAudioEncoder(MediaRecorder.AudioEncoder.AAC);
  mRecorder.setAudioChannels(1);
  if (MySharedPreferences.getPrefHighQuality(this)) {
    mRecorder.setAudioSamplingRate(44100);
    mRecorder.setAudioEncodingBitRate(192000);
  }
  try {
    mRecorder.prepare();
    mRecorder.start();
    mStartingTimeMillis = System.currentTimeMillis();
    //startTimer();
    //startForeground(1, createNotification());
  } catch (IOException e) {
    Log.e(LOG_TAG, "prepare() failed");
  }
}

代码示例来源：origin: Piasy/RxAndroidAudio

stopRecord();
mRecorder = new MediaRecorder();
mRecorder.setAudioSource(audioSource);
mRecorder.setOutputFormat(outputFormat);
mRecorder.setAudioSamplingRate(sampleRate);
mRecorder.setAudioEncodingBitRate(bitRate);
mRecorder.setAudioEncoder(audioEncoder);
mRecorder.setOutputFile(outputFile.getAbsolutePath());
  mRecorder.prepare();
} catch (IOException | RuntimeException exception) {
  Log.w(TAG, "startRecord fail, prepare fail: " + exception.getMessage());
  mRecorder.start();
  mStarted = true;
} catch (RuntimeException exception) {

代码示例来源：origin: stackoverflow.com

recorder = new MediaRecorder();
recorder.setAudioSource(MediaRecorder.AudioSource.MIC);
recorder.setOutputFormat(output_formats[currentFormat]);
recorder.setAudioEncoder(MediaRecorder.AudioEncoder.AMR_NB);
recorder.setOutputFile(getFilename());
recorder.setOnErrorListener(errorListener);
recorder.setOnInfoListener(infoListener);
  recorder.prepare();
  recorder.start();
} catch (IllegalStateException e) {
  e.printStackTrace();
  recorder.stop();
  recorder.reset();
  recorder.release();

代码示例来源：origin: stackoverflow.com

setContentView(R.layout.activity_main);
mMediaRecorder = new MediaRecorder();
mMediaRecorder.start();
  mMediaRecorder.stop();
  mMediaRecorder.reset();
  mMediaRecorder.prepare();
} catch (Exception e) {
  e.printStackTrace();
int height = mDisplayMetrics.heightPixels;
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.setVideoFrameRate(30);
mMediaRecorder.setVideoSize(width, height);
mMediaRecorder.setOutputFile(filePath);
mMediaRecorder.start();

代码示例来源：origin: stackoverflow.com

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

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