[gst-devel] Setting different states for subpipelines

[Yann Gilquin]

Hi Albert,
maybe gst_element_set_locked_state could be an entry point to solve your
problem. It basically removes state dependency with the parent.

Yann Gilquin


2008/11/26 Albert Costa <costa_albert at yahoo.fr>

> Hi gstreamer-devels,
> I have a question concerning the change of states in the pipeline.
> I have my main pipeline containing 2 video branches:
>
> (subpipeline1): filesrc1 - decodebin1 - ffmpegcolorspace1 - directdrawsink1
>  (subpipeline2): filesrc2 - decodebin2 - ffmpegcolorspace2 -
> directdrawsink2
>
> I start each line with a different file and am able now to set a seek for
> each (thanks to previous gst-devel help). These 2 lines are supposed to run
> synchronously (the files are played in parallel). My problem now is that
> when one of the file ends (end of seek reached), I need to set a new file
> (with a new seek). To do this, I set my main pipeline to state READY, then
> set the new file name and seek in my branch and then set the state back to
> PLAYING. But doing so, the other subpipeline looses its position and starts
> over the file it was playing. I tried therefore to set the main pipeline to
> PAUSED, then only the subpipeline to be changed in READY (then i set its new
> file), and finally PLAYING again. But I can't have it working... Is it
> possible to have different subparts of the main pipeline in different
> states, or am I just going wrong direction?
> Regards,
> Al
>
>
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