How to bypass prerolling

[Yogesh Tyagi]

Hi,

I tried to look for GAP event in resindvdbin but I could not find it. Can
you please point me to the correct source?

Thanks,
Yogesh


On Tue, Feb 18, 2014 at 1:06 AM, Sebastian Dröge
<sebastian at centricular.com>wrote:

> On Mo, 2014-02-17 at 11:57 +0530, Yogesh Tyagi wrote:
> > Hi,
> >
> > I tried to remove gstreamer prerolling from my plugin and in
> READY_TO_PAUSE
> > transition I tried to directly set my audio device to PAUSE state which
> > failed. Later I found that audio device needs some information about
> audio
> > format to be set before I can set it to PAUSE state.
> >
> > I found audio format is set in gst_pad_set_setcaps_function which is not
> > being invoked from gstreamer until one audio buffer is received on audio
> > pad.This is not letting me set my audio device to PAUSE state and forcing
> > me to wait for one audio buffer.
> >
> > Is it possible to get this information about audio format without waiting
> > for one audio buffer?
>
> Yes, if you use GStreamer 1.x you'll get the caps before any audio
> buffers arrive. In 0.10 it's not possible.
>
> But even then, usually an audio buffer needs to be decoded before the
> format is really known. See how this very problem is solved in
> resindvdbin in 1.x (check the sending of GAP events there).
>
> In 0.10 you're basically lost here.
>
> --
> Sebastian Dröge, Centricular Ltd - http://www.centricular.com
> Expertise, Straight from the Source
>
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>
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