android 录制视频清晰度问题

不需要过多设置 

//next codes is right for 2.3 and 4.0  

        mMediaRecorder=new MediaRecorder();  

        //设置视频源  

        mMediaRecorder.setVideoSource(MediaRecorder.VideoSource.DEFAULT);  

        //设置音频源  

        mMediaRecorder.setAudioSource(MediaRecorder.AudioSource.DEFAULT);  

        

        //相机参数配置类

       CamcorderProfile cProfile = CamcorderProfile.get(CamcorderProfile.QUALITY_HIGH); 

       mMediaRecorder.setProfile(cProfile);

        //设置录制的视频帧率,注意文档的说明:  

        mMediaRecorder.setVideoFrameRate(30);   

        //设置输出路径  

        mMediaRecorder.setOutputFile("/sdcard/Document/data/"+ currentTemp + "/"

+ currentXml + "/"+System.currentTimeMillis()+".mp4");

        //设置预览画面  

        mMediaRecorder.setPreviewDisplay(mSurfaceHolder.getSurface());