Is there any way to create a video file directly from GLSurfaceView(OpenGL ES )?

Is there any way to create a video file directly from GLSurfaceView(OpenGL ES )?



I have created a 3D object on GLSurfaceView(OpenGL ES) on android. Is there any way to create a video file (record 5 seconds) directly from GLSurfaceView(OpenGL ES) without screen recording?




1 Answer
1



You can capture bitmaps after drawing frames and then combine them into a video format.



In GLSurfaceView.onDrawFrame() you can use gl.glReadPixels() to collect a bitmap image of the frame. You can then pass these to Android's MediaMuxer class afterwards to encode them into a final video.


GLSurfaceView.onDrawFrame()


gl.glReadPixels()



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