[gst-devel] dshowvideosrc with a mux

[Julien Moutte]

First you probably have a latency issue as this is a live pipeline and  
avimux / avidemux could add some latency.

Second you should not try to play what you just muxed in the same  
pipeline. You should compress the video and then store to a file that  
you can play later on. If you want local feedback from the capture you  
should use tee after the source and have a preview branch.

Julien


On Apr 23, 2008, at 1:40, Andy Sturges <andy at sturges.me.uk> wrote:

> I am trying to capture video and audio and mux them into a single file
> on windows XP, but am seeing very slow video capture when using any  
> form
> of mux.  To illustrate the problem here a a couple of simple examples:
>
> This pipeline works fine:
>
>    gst-launch-0.10.exe dshowvideosrc ! ffmpegcolorspace  !  
> directdrawsink
>
> but adding a mux/demux stage into the pipe causes the video to be very
> slow:
>
>   dshowvideosrc ! ffmpegcolorspace ! avimux ! avidemux !
> ffmpegcolorspace ! directdrawsink
>
> I have tried adding queues and videorate controls but this makes no
> difference.
>
> Any input on this problem welcome,
>
> Andy
>
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