Android : OpenGL + Camera

import java.io.IOException; import android.hardware.Camera; import android.hardware.Camera.PreviewCallback; import android.util.Log; import android.view.SurfaceHolder; import android.view.SurfaceView; public class CamL extends SurfaceView implements SurfaceHolder.Callback, PreviewCallback { Camera mCamera; boolean isPreviewRunning = false; Camera.PreviewCallback callback; CamLayer(GLCamTest context, Camera.PreviewCallback callback) { super(context); this.callback=callback; // Install a SurfaceHolder.Callback so we get notified when the // underlying surface is created and destroyed. SurfaceHolder mHolder = getHolder(); mHolder.addCallback(this); mHolder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS); } //mPreview.setLayoutParams(new LayoutParams(100,100)) public void surfaceCreated(SurfaceHolder holder) { synchronized(this) { mCamera = Camera.open(); Camera.Parameters p = mCamera.getParameters(); p.setPreviewSize(240, 160); mCamera.setParameters(p); try { mCamera.setPreviewDisplay(holder); } catch (IOException e) { Log.e("Camera", "mCamera.setPreviewDisplay(holder);"); } mCamera.startPreview(); mCamera.setPreviewCallback(this); } } public void surfaceDestroyed(SurfaceHolder holder) { // Surface will be destroyed when we return, so stop the preview. // Because the CameraDevice object is not a shared resource, it's very // important to release it when the activity is paused. synchronized(this) { try { if (mCamera!=null) { mCamera.stopPreview(); isPreviewRunning=false; mCamera.release(); } } catch (Exception e) { Log.e("Camera", e.getMessage()); } } } public void surfaceChanged(SurfaceHolder holder, int format, int w, int h) { } public void onPreviewFrame(byte[] arg0, Camera arg1) { if (callback!=null) callback.onPreviewFrame(arg0, arg1); } }