Here is a list of all files with brief descriptions:

android_lts_support.c
ffmpegkit.c
ffmpegkit.h
ffmpegkit_abidetect.c
ffmpegkit_abidetect.h
ffmpegkit_exception.c
ffmpegkit_exception.h
ffprobekit.c
ffprobekit.h
fftools_cmdutils.c
fftools_cmdutils.h
fftools_ffmpeg.c
fftools_ffmpeg.h
fftools_ffmpeg_filter.c
fftools_ffmpeg_hw.c
fftools_ffmpeg_opt.c
fftools_ffprobe.c
saf_wrapper.c
saf_wrapper.h