AVDISCARD_NONREF  662 extra_lib/include/ffmpeg_android/libavcodec/avcodec.h     AVDISCARD_NONREF  =  8, ///< discard all non reference
AVDISCARD_NONREF  626 extra_lib/include/libavcodec/avcodec.h     AVDISCARD_NONREF  =  8, ///< discard all non reference