2016-09-04 15:17 GMT+02:00 Sub Phil <phil4000n at gmail.com>: > > ffmpeg -ss 17401 -t 2 -i "20160903 1 oreiller fin 8h08.3gp" -af > volumedetect -f null - > histogram17401_front.txt 2>&1 > ffmpeg version 2.8.4 Please test current FFmpeg git head before reporting issues on this mailing list. Carl Eugen