On 11/15/08, Nico Sabbi <nicola.sabbi at poste.it> wrote: > Il giorno sab, 15/11/2008 alle 21.49 +0000, Bryan Henderson ha scritto: >> In the OSD status display, it shows how far into the file I am and the >> total running time of the file. Where does the total running time >> come from? >> >> I'm talking about an MPEG file and ffmpeg codec. The MPEG file was >> created by IVTV. > depends: dvd have a duration indication, many file formats have it too; > all other values are extrapolated (thus invented) So what about MPEG files created by IVTV (is there some better way I should identify the format?)? Do you know where the value comes from with those? If it's extrapolated, it's a pretty naive extrapolation when it shows total length less than the current position. I should add that the the value usually matches the actual run time within a second.
