Drawing on Android Surface-texture

[Pervez Alam]

Hi Skia team, I am an Adobe employee.

I am writing an Android app using Exoplayer to decode video, which provides frames on Surface/SurfaceTexture (displaying on a custom GLSurfaceView). I want to write some text/apply effects etc on these frames before displaying.

How can I access Android's SurfaceTexture/Surface/underlying hardware memory in Skia to draw/apply effects.
I want these processing done using GPU(OpenGL or Vulkan). I could find a few articles pointing to use AHardwareBuffer or ASurfaceTexture, I am not sure if it is feasible and it comes with the limitation of using Android API-28+.

Any help/pointer/sample-code is highly appreciated.

[Bharat Ahuja]

I think you can take a look platform_tools\android\apps\skottie\src\main\java\org\skia\skottie\SkottieRunner.java

. 

 This class uses Android's textureview and SurfaceTexture.

Thanks

Bharat

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[Pervez Alam]

Thanks Bharat,

The example looks helpful, I will try and get back.