[gst-devel] A question for avimux in gstreamer

[Mark Nauwelaerts]

There is indeed a bit of a bug there in avimux, as already noted in
http://bugzilla.gnome.org/show_bug.cgi?id=511489
A patch given there addresses it pretty much the way you indicate.

Regards,
Mark.


Zhang Yanlong-PBVM47 wrote:
> Pals,
> I have a question for avimux in gstreamer.
>  
> Pls look through the function "gst_avi_mux_audsink_set_caps" in file
> "gstavimux.c"
> There are following lines at the end of this function:
>  
>   *avipad->parent.hdr.rate = avipad->auds.blockalign * avipad->auds.rate;*
>   avipad->parent.hdr.samplesize = avipad->auds.blockalign;
>   avipad->parent.hdr.scale = 1;
>  
> My question is that why the program does "*avipad->auds.blockalign *
> avipad->auds.rate*" when calculating *avipad->parent.hdr.rate*.
>  
> When I playback a avifile which is generated by gstreamer avimux (YUV420
> video data and PCM audio data <depth: 16, width: 16, 2 channels>), the
> time lapsesvery slowly on player (Windows media player). The time
> progress bar just passes 1 second but the real time passes 4 seconds.
>  
> If I change the code to  "*avipad->parent.hdr.rate =
> avipad->auds.rate;*", the file is played well.
>  
> So I am not sure if there is some problem at this point.
>  
> Thanks a lot.
>  
> BRs
> Zhang yanlong
> **
>  
> 
> 
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