[gst-devel] Waiting for pipeline to preroll

[Sameer Naik]

it helped... thanks

On Sun, Jul 26, 2009 at 7:53 PM, Håvard Graff <havard.graff at tandberg.com>wrote:

>  The property async=TRUE on your audio and video sinks will make the
> pipeline PREROLL before going to PLAYING. (They will not go to playing until
> they have received the first buffer)
>
>
>
> Regards,
>
> Havard
>
>
>  ------------------------------
>
> *From:* Sameer Naik [mailto:sameer.subscriptions at damagehead.com]
> *Sent:* 24. juli 2009 17:19
> *To:* Discussion of the development of GStreamer
> *Subject:* [gst-devel] Waiting for pipeline to preroll
>
>
>
> Hi,
> I am developing a audio/video application using gstreamer as the playback
> backend.
> When i create a audio/video pipeline and set the pipeline to the PLAYING
> state, a lot of times
> the playback does not start.
>
> Only if i set the pipeline to PAUSED, then put the application to sleep for
> like 1/10th of a second.
> and then set the pipeline to PLAYING, everything works well. This problem
> occurs only when the
> media has both audio and video streams.
>
> I believe this is because the pipeline is set to PLAYING before all pads
> are generated and
> connected. i.e. before the audio and video decode and rendering bins are
> loaded and connected.
>
> I think if i wait for the pipeline to PREROLL before setting it to PLAYING
> will make things function correctly.
> Can anyone tell me how can i wait for the pipeline to PREROLL completely.
>
> Regards
> ~Sameer
>
>
> ------------------------------------------------------------------------------
>
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