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. > > What makes me the most curious that occasionally, the total time > displayed is less than the real running time. So e.g. near the end of > the file, the OSD might display "00:40:00/00:26:00". Also, I know > IVTV has no way to know as it creates the stream when the stream will > end, so I know that information isn't explicit in the file. depends: dvd have a duration indication, many file formats have it too; all other values are extrapolated (thus invented)
