视频全屏播放（未写）

 public void Change_RawPicture_Size(SurfaceView view, RelativeLayout screen,  int orgW, int orgH, int screenW, int screenH){

     RelativeLayout.LayoutParams params  =
         new RelativeLayout.LayoutParams(orgW, orgH);

     params.leftMargin = (screenW - orgW)/2;
     params.topMargin  = 0;

     m_SurfaceHolder.setFixedSize(params.width, params.height);
     view.setLayoutParams(params);
     screen.updateViewLayout(view, params);
     Log.i(TAG, "setFixedSize width="+params.width+";height="+params.height);
 }

 private void Set_Video_Scale(int flag) {
         switch(flag){
         case SCREEN_FULL:
         {
             RelativeLayout.LayoutParams params  =
                 new RelativeLayout.LayoutParams(m_screenWidth, m_screenHeight);

             m_SurfaceView.setLayoutParams(params);
             m_bFullScreen = true;
         }
         break;
         case SCREEN_DEFAULT:
         {
             RelativeLayout.LayoutParams params  =
                 new RelativeLayout.LayoutParams(m_orgWidth, m_orgHeight);

             params.leftMargin = (m_screenWidth - m_orgWidth)/2;
             params.topMargin  = 0;

             m_SurfaceView.setLayoutParams(params);
             m_bFullScreen = false;
         }
         break;
         default:
             break;
         }
     }