record: apitrace trace ./sv (cat img)
convert: apitrace dump-images -o - sv.trace | ffmpeg -r 60 -f image2pipe -vcodec ppm -i pipe: -i 078elektrouschi-video.wav -c:v libx264 -crf 21 -bf 2 -flags +cgop -pix_fmt yuv420p -c:a aac -strict -2 -b:a 384k -r:a 48000 -movflags faststart kriechstrom.mkv