[gst-devel] avimux header problem

[Mark Nauwelaerts]

Following pipeline works fine on my system, that is, proper duration and playing
with totem, mplayer, xine (and it is generally comparable to your pipeline, I
assume):

videotestsrc num-buffers=500 ! ffmpegcolorspace ! video/x-raw-yuv,
framerate="25/1", format="(fourcc)I420" ! avimux ! filesink location=test.avi

You might use this to compare to at various stages, particularly at avimux input
and output, and in particular have a look at the caps, specifically framerate.
If that's not OK, avi might end up with 0/unknown frame duration, and
consequently overall duration, and would force players to somehow guess about
frame duration, which is pretty crucial.

Regards,
Mark.


Georg Holzmann wrote:
> Hallo!
> 
> I have one more question ;) :
> I am trying to write a raw avi stream from my application to the hard 
> disk with the following pipeline:
> 
> appsrc ! ffmpegcolorspace ! avimux ! filesink
> 
> The data is written correct to the harddisk and in KDE I see the meta 
> info correct, but the length is zero. Therefore if I want to play this 
> file I always get an error.
> 
> With GST_DEBUG=3 or GST_DEBUG=avimux:5 I don't get any warnings or 
> errors. However, I found a bug here: 
> http://webcvs.freedesktop.org/gstreamer/gst-plugins-good/NEWS?revision=1.24&view=markup:
>   * 356147 : [avimux] duration in header not correct for big avi ( > 2
> but this should be fixed for 0.10.4 (I am using plugins-good latest cvs 
> version and also tried setting "bigfile" to false ...)
> 
> Has anyone a hint how I could try to get this working ?
> 
> Many thanks,
> LG
> Georg
> 
> 
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