Specifically, the GPL parts of FFmpeg are:
- libpostproc
-- libmpcodecs
- optional x86 optimizations in the files
libavcodec/x86/flac_dsp_gpl.asm
libavcodec/x86/idct_mmx.c
- vf_interlace.c
- vf_kerndeint.c
- vf_mcdeint.c
- - vf_mp.c
- vf_mpdecimate.c
- vf_owdenoise.c
- vf_perspective.c