FF_API_LAVF_FRAC   55 extra_lib/include/ffmpeg_android/libavformat/version.h #define FF_API_LAVF_FRAC                (LIBAVFORMAT_VERSION_MAJOR < 57)
FF_API_LAVF_FRAC  140 extra_lib/include/ffmpeg_android/libavformat/version.h #define FF_API_LAVF_FRAC                (LIBAVFORMAT_VERSION_MAJOR < 57)