[Ffmpeg-devel] Wrong duration in a nut container

Michael Niedermayer michaelni
Fri Aug 12 01:14:35 CEST 2005


On Thu, Aug 11, 2005 at 02:47:03PM +0200, Hendrik Schmal wrote:
> Hello,
> I want to grab a video from tape (via framegrabber (bt8x8), no audio, SuSE 
> Linux 8.2). I use the FFMpeg-20050806.tar.bz2 package.
> The following commandline (see below) should give me a video containing 250 
> frames (that means 5secs on 50fps).
> With the avi format I get a duration of 5 secs. The nut format shows me a 
> wrong duration, but it also contains 250 frames. 
> This happens when for example the tape partially contains no data.
> The same behaviour I have using the FFmpeg API (libavformat/libavcodec).
> I can't use avi, because of my videos are larger than 1GB.
> Is this a bug or did I something wrong ?

nuts duration field is in a info packet and thats neither stored nor read
currently, patch welcome


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