ffmpeg test.mp4 format=pix_fmts=rgba,colorchannelmixer=rr=0.3:rg=0.4:rb=0.3:gr=0.3:gg=0.4:gb=0.3:br=0.3:bg=0.4:bb=0.3 output_fade.mp4
ffmpeg test.mp4 format=pix_fmts=rgba,colorchannelmixer=rr=0.393:rg=0.796:rb=0.189:gr=0.349:gg=0.686:gb=0.168:br=0.272:bg=0.534:bb=0.131 output_fade.mp4
ffmpeg test.mp4 -vf eq=brightness=0.1:contrast=1.0:gamma=1.0:saturation=1.0 ff_eq.mp4
ffmpeg test.mp4 -vf eq=brightness=-0.1:contrast=1.0:gamma=1.0:saturation=1.0 ff_eq.mp4
ffmpeg test.mp4 -vf vignette=angle=PI/4 output_fade.mp4
ffmpeg test.mp4 -vf vignette=angle=PI/2 output_fade.mp4
ffmpeg test.mp4 -vf fade=type=in:start_time=0:duration=2 output_fade.mp4
ffmpeg test.mp4 -vf fade=type=out:start_frame=TOTAL_FRAMES-25:nb_frames=25 output_fade.mp4
ffmpeg test.mp4 -vf fade=type=out:start_time=START_TIME:duration=2 2 output_fade.mp4