A simple way to use software decoder to play video: 1. Download this file: https://www.brobwind.com/wp-content/uploads/2018/12/rpi3_video_patch.tar.gz which contain gralloc.drm.so and libstagefright.so 2. Replace /system/lib/libstagefright.so and /vendor/lib/hw/gralloc.drm.so by following commands:...