android - Not able to resolve InputSurface and OutputSurface in EncodeDecodeTest -

i trying convert mp4 file in low frame rate , low resolution video trying use example bigflake.com. when copied encodedecodetest class not able resolve inputsurface , outputsurface class. googled not find anything.

you can find classes in right here:

outputsurface.java https://goo.gl/rljbkr

inputsurface.java https://goo.gl/uvcqo2

also need create

texturerender.java https://goo.gl/i9xyfs