服务器之家

服务器之家 > 正文

java中初始化MediaRecorder的实现方法

时间:2021-01-25 11:28     来源/作者:csguo007

java中初始化MediaRecorder

实现代码:

?
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
private boolean initializeVideo() { 
    Log.v(TAG, "initializeVideo"); 
     
    if (mSurfaceHolder == null) { 
      Log.v(TAG, "SurfaceHolder is null"); 
      return false
    
 
    mMediaRecorderRecording = true
 
    if (mMediaRecorder == null
        mMediaRecorder = new MediaRecorder(); 
    else
        mMediaRecorder.reset(); 
    if (mCamera != null) { 
        if (Integer.parseInt(Build.VERSION.SDK) >= 8
            VideoCameraNew2.reconnect(mCamera); 
        mCamera.release(); 
        mCamera = null
    
 
    if (useFront && Integer.parseInt(Build.VERSION.SDK) >= 5) { 
            if (isAvailableSprintFFC) 
            
                try
                
                    Method method = Class.forName("android.hardware.HtcFrontFacingCamera").getDeclaredMethod("getCamera", null); 
                    mCamera = (Camera) method.invoke(null, null); 
                
                catch (Exception ex) 
                
                    Log.d(TAG, ex.toString()); 
                
            } else
                mCamera = Camera.open(); 
                Camera.Parameters parameters = mCamera.getParameters(); 
                parameters.set("camera-id", 2); 
                mCamera.setParameters(parameters); 
            
            VideoCameraNew.unlock(mCamera); 
            mMediaRecorder.setCamera(mCamera); 
        mVideoPreview.setOnClickListener(this); 
    
    mVideoPreview.setOnLongClickListener(this); 
    mMediaRecorder.setVideoSource(MediaRecorder.VideoSource.CAMERA); 
    mMediaRecorder.setOutputFormat(MediaRecorder.OutputFormat.THREE_GPP); 
    mMediaRecorder.setOutputFile(sender.getFileDescriptor()); 
 
        mMediaRecorder.setVideoFrameRate(20); 
    if (videoQualityHigh) { 
      mMediaRecorder.setVideoSize(352,288); 
    } else
      mMediaRecorder.setVideoSize(176,144); 
    
    mMediaRecorder.setVideoEncoder(MediaRecorder.VideoEncoder.H263); 
    mMediaRecorder.setPreviewDisplay(mSurfaceHolder.getSurface()); 
 
    try
      mMediaRecorder.prepare(); 
      mMediaRecorder.setOnErrorListener(this); 
      mMediaRecorder.start(); 
    } catch (IOException exception) { 
      releaseMediaRecorder(); 
      finish(); 
      return false
    
    return true
  }
?
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
private boolean initializeVideo() {
    Log.v(TAG, "initializeVideo");
     
    if (mSurfaceHolder == null) {
      Log.v(TAG, "SurfaceHolder is null");
      return false;
    }
 
    mMediaRecorderRecording = true;
 
    if (mMediaRecorder == null)
        mMediaRecorder = new MediaRecorder();
    else
        mMediaRecorder.reset();
    if (mCamera != null) {
        if (Integer.parseInt(Build.VERSION.SDK) >= 8)
            VideoCameraNew2.reconnect(mCamera);
        mCamera.release();
        mCamera = null;
    }
 
    if (useFront && Integer.parseInt(Build.VERSION.SDK) >= 5) {
            if (isAvailableSprintFFC)
            {
                try
                {
                    Method method = Class.forName("android.hardware.HtcFrontFacingCamera").getDeclaredMethod("getCamera", null);
                    mCamera = (Camera) method.invoke(null, null);
                }
                catch (Exception ex)
                {
                    Log.d(TAG, ex.toString());
                }
            } else {
                mCamera = Camera.open(); 
                Camera.Parameters parameters = mCamera.getParameters(); 
                parameters.set("camera-id", 2); 
                mCamera.setParameters(parameters); 
            }
            VideoCameraNew.unlock(mCamera);
            mMediaRecorder.setCamera(mCamera);
        mVideoPreview.setOnClickListener(this);
    }
    mVideoPreview.setOnLongClickListener(this);
    mMediaRecorder.setVideoSource(MediaRecorder.VideoSource.CAMERA);
    mMediaRecorder.setOutputFormat(MediaRecorder.OutputFormat.THREE_GPP);
    mMediaRecorder.setOutputFile(sender.getFileDescriptor());
 
        mMediaRecorder.setVideoFrameRate(20);
    if (videoQualityHigh) {
      mMediaRecorder.setVideoSize(352,288);
    } else {
      mMediaRecorder.setVideoSize(176,144);
    }
    mMediaRecorder.setVideoEncoder(MediaRecorder.VideoEncoder.H263);
    mMediaRecorder.setPreviewDisplay(mSurfaceHolder.getSurface());
 
    try {
      mMediaRecorder.prepare();
      mMediaRecorder.setOnErrorListener(this);
      mMediaRecorder.start();
    } catch (IOException exception) {
      releaseMediaRecorder();
      finish();
      return false;
    }
    return true;
  }
?
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
private void releaseMediaRecorder() { 
    Log.v(TAG, "Releasing media recorder."); 
    if (mMediaRecorder != null) { 
      mMediaRecorder.reset(); 
      if (mCamera != null) { 
            if (Integer.parseInt(Build.VERSION.SDK) >= 8
                VideoCameraNew2.reconnect(mCamera); 
            mCamera.release(); 
            mCamera = null
      
      mMediaRecorder.release(); 
      mMediaRecorder = null
    
  
      
  public void onError(MediaRecorder mr, int what, int extra) { 
    if (what == MediaRecorder.MEDIA_RECORDER_ERROR_UNKNOWN) { 
      finish(); 
    
  }
?
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
private void releaseMediaRecorder() {
    Log.v(TAG, "Releasing media recorder.");
    if (mMediaRecorder != null) {
      mMediaRecorder.reset();
      if (mCamera != null) {
            if (Integer.parseInt(Build.VERSION.SDK) >= 8)
                VideoCameraNew2.reconnect(mCamera);
            mCamera.release();
            mCamera = null;
      }
      mMediaRecorder.release();
      mMediaRecorder = null;
    }
  }
     
  public void onError(MediaRecorder mr, int what, int extra) {
    if (what == MediaRecorder.MEDIA_RECORDER_ERROR_UNKNOWN) {
      finish();
    }
  }
?
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
private void stopVideoRecording() { 
    Log.v(TAG, "stopVideoRecording"); 
    if (mMediaRecorderRecording || mMediaRecorder != null) { 
        Receiver.listener_video = null
        t.interrupt(); 
      RtpStreamSender.delay = 0
 
      if (mMediaRecorderRecording && mMediaRecorder != null) { 
        try
          mMediaRecorder.setOnErrorListener(null); 
          mMediaRecorder.setOnInfoListener(null); 
          mMediaRecorder.stop(); 
        } catch (RuntimeException e) { 
          Log.e(TAG, "stop fail: " + e.getMessage()); 
        
 
        mMediaRecorderRecording = false
      
      releaseMediaRecorder(); 
    
  }

如有疑问请留言或者到本站社区交流讨论,感谢阅读,希望能帮助到大家,谢谢大家对本站的支持!

原文链接:http://blog.csdn.net/zhyooo123/article/details/6750061

标签:

相关文章

热门资讯

2022年最旺的微信头像大全 微信头像2022年最新版图片
2022年最旺的微信头像大全 微信头像2022年最新版图片 2022-01-10
蜘蛛侠3英雄无归3正片免费播放 蜘蛛侠3在线观看免费高清完整
蜘蛛侠3英雄无归3正片免费播放 蜘蛛侠3在线观看免费高清完整 2021-08-24
背刺什么意思 网络词语背刺是什么梗
背刺什么意思 网络词语背刺是什么梗 2020-05-22
yue是什么意思 网络流行语yue了是什么梗
yue是什么意思 网络流行语yue了是什么梗 2020-10-11
暖暖日本高清免费中文 暖暖在线观看免费完整版韩国
暖暖日本高清免费中文 暖暖在线观看免费完整版韩国 2021-05-08
返回顶部