ffmpeg_tests.txt

raw: https://stackoverflow.com/questions/20609760/convert-h264-video-to-raw-yuv-format

ffmpeg -pix_fmts | grep -i pixel_format_name
+ TODO






framerate: https://stackoverflow.com/questions/45462731/using-ffmpeg-to-change-framerate
(-y = overwrite output)

https://trac.ffmpeg.org/wiki/ChangingFrameRate

nous: ffmpeg -i downscale.mp4 -filter:v fps=10 downscale_10fps.mp4




downscale: https://superuser.com/questions/624563/how-to-resize-a-video-to-make-it-smaller-with-ffmpeg

ffmpeg -i input.avi -filter:v scale=720:-1 -c:a copy output.mkv
nous: ffmpeg -i w2b.mp4 -filter:v scale=100:-1 -c:a copy downscale.mp4





black border:  https://stackoverflow.com/questions/46671252/how-to-add-black-borders-to-video
-vf "scale=1920:1080:force_original_aspect_ratio=decrease,pad=1920:1080:(ow-iw)/2:(oh-ih)/2,setsar=1"