2018-12-13 17:10 GMT+01:00, Robert Krüger <krueger@lesspain.software>:
> is there a way to get the exact duration of a raw mpeg1 file using the > ffmpeg command line? For testing I created a 30 minute test file using > ffmpeg (using -c:v mpeg1video -f mpeg1video), then verified the duration > using VLC and mediainfo and it is indeed exactly 30 minutes long but ffmpeg > -i shows the file's duration as 00:00:04.98 after displaying this warning: > > [mpegvideo @ 0x7fe212806000] Estimating duration from bitrate, this may be > inaccurate > > Are there command line parameters to make it compute the exact size or is > this a design or implementation limitation? Just the mpeg specification;-) $ ffmpeg -i input -c copy -f null - Carl Eugen _______________________________________________ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".
