[gst-devel] Plz Help! The pipeline and the elements

[thiagoss]

On Thu, Dec 18, 2008 at 1:24 PM, Gao-dw <gaodw at neusoft.com> wrote:

>  Hi, Everyone
>
> I have met such a situation. I have to manage a pipeline manually to
> playback OGG files.
> As you know, an ogg file may be either pure audio or mixed with audio and
> video.
> If I put all possible elements (the filesrc, demuxer, audioqueue,
> videoqueue, decoder ... etc.) into the pipeline, the pipeline seems not to
> work when the file contains audio only, and it works if the file contains
> both audio and video.
>
> So what may the problem be?
>
> Can anyone explain what may happen if the pipeline contains elements that
> are not needed.
>
> filesrc --> demuxer --> audioqueue --> ... --> audiosink
>
>                                 videoquque --> ... --> videosink (here, the
> videoqueue and the related elements are not used)
>
> I wish I have described the problem clearly.
>
Read:
http://gstreamer.freedesktop.org/data/doc/gstreamer/head/manual/html/chapter-pads.html


>
> Best regards.
>
> 2008-12-18
> ------------------------------
> Gao-dw
>
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-- 
Thiago Sousa Santos

Embedded Systems and Pervasive Computing Lab (Embedded)
Center of Electrical Engineering and Informatics (CEEI)
Federal University of Campina Grande (UFCG)
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