On date Friday 2008-01-25 17:48:09 +0100, Olav M?rkrid encoded:

hello

i use ffmpeg to convert some video for ipod use. the video plays fine, but the ipod shows the time length of the video as "1193:02:47", which converted to milliseconds equals $FFFFFFFF in hexadecimal.

my command line is as follows:

ffmpeg -y -i "in.avi" -f mov -vcodec mpeg4 -b 1000k -acodec aac -ar 44100 -ab 128 "out.m4v"

can anyone tell me how to make the ipod show the correct length?

As the first thing you should try to understand if ffmpeg sets the correct lenght, for example using ffmpeg -i or ffprobe -show_file on the input and on the output file. HTH, regards. -- ffmpeg-user random tip #12 One minute of pure video noise with ffmpeg: ffmpeg -t 60 -s qcif -f rawvideo -pix_fmt rgb24 -r 25 -i /dev/urandom \ -y noise.mpeg