[Gstreamer-openmax] Fwd: Regarding GStreamer-OpenMax Layer

Felipe Contreras felipe.contreras at nokia.com
Tue Dec 9 07:39:49 PST 2008


On Tue, 2008-12-09 at 20:36 +0530, ext sriram murthy wrote:
> 
>         >> >          Thanks for your gst-launch-0.10 suggestion. Now
>         i am able to
>         >> > render
>         >> > my sink component also with this tool, and able to play
>         audio from my
>         >> > sound
>         >> > card.
>         >> >
>         >> > I have few questions here.
>         >> >
>         >> > 1. Why same sink component i am unable to load from Totem
>         Player
>         >> > application
>         >> > ?
>         >> >     Is it because of application or gst_openmax layer.
>         >>
>         >> Totem works fine with omx elements too.
>         >
>         >      Sorry for repeatedly asking the same question. But
>         still i am not able
>         > to understand why totem and Playbin (i am
>         >      providingPULGIN_PATH) tools are not loading my sink
>         element. Because
>         > same thing is happening from gst-launch-0.10
>         >      tool , why  not from other two ?
>         >       If you any idea please reply ....
>         
>         
>         Sorry I didn't answer properly last time. It's hard to tell
>         why Totem
>         isn't working, that's why gst-launch-0.10 is useful so you can
>         try
>         step by step to reproduce the same pipeline that Totem is
>         using.
>         
>         If I understand correctly you have this issue with totem and
>         playbin
>         in gst-launch-0.10, but when you manually specify the pipeline
>         then it
>         works, right?
>        
>      Exactly the same.
> 
>         
>         
>         One reason could be that the priority of the sink is very low
>         by
>         default, so it's not automatically used by playbin. You can
>         check the
>         priority with gst-inspect-0.10, if it's too low you will need
>         to
>         modify gstomx.c. The priority is low by default because sinks
>         are not
>         well tested, you could say they are in "experimental" state.
> 
> 
>    Earlier I checked Sink element with different priority levels
> ( GST_RANK_PRIMARY) in gst_omx.c.
>   But same status . Any way thank for your feedback.
> 
>    I will work on this with totem & playbin. if i got any solution let
> you know also.
>    mean while if you have any suggestion please provide for me also.

You can do:
export GST_DEBUG=GST_ELEMENT_FACTORY:3

To find out what exactly is playbin doing, so you can try different
pipelines trying to reproduce the issue.

You can also paste the output here if you need help.

-- 
Felipe Contreras






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