sticky events

[Stefan Sauer]

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

On 03/02/2014 11:20 PM, Sebastian Dröge wrote:
> On So, 2014-03-02 at 22:51 +0100, Stefan Sauer wrote:
>> On 03/02/2014 09:44 PM, Stefan Sauer wrote:
>>> hi,
>>>
>>> I tried to do the proper pad blocking thing in buzztrax again, now with
>>> 1.0. One issue I face right now when adding sources (or sources +
>>> transforms) to adder/audiomixer is that the new elements are not
>>> negotiated. While debugging I was wondering whether sticky events are
>>> replayed on the new request (sink)-pad of adder. They are not. In tee
>>> this is done. If I simply create the counterpart of the tee code in
>>> adder (https://gist.github.com/ensonic/b73c16958d9304dfd2e0), I get
>>> (lt-buzztrax-edit:6264): GStreamer-WARNING **: pad '':sink_2 pushing
>>> stream-start event in wrong direction
>>> (lt-buzztrax-edit:6264): GStreamer-WARNING **: pad '':sink_2 pushing
>>> caps event in wrong direction
>>> (lt-buzztrax-edit:6264): GStreamer-WARNING **: pad '':sink_2 pushing
>>> segment event in wrong direction
>>>
>>> Now I am a bit confused:
>>> 1.) how come we store these events on the sticky list of the src-pad?
>>> How would one use gst_pad_push_event() to sent them there in the first
>>> place?
>> Now after some chat on irc, I learned that we actually don't have any
>> upstream stick events right now. Still these are stored on the pad, a
bug?
>
> They are stored on all pads through which they travel, that's intended.
If that is the case wouldn't the code in tee that does
gst_pad_sticky_events_foreach (tee->sinkpad, forward_sticky_events, srcpad);

where forward_sticky_events() is basically
gst_pad_push_event (srcpad, gst_event_ref (*event));
break as soon as we introduce a sticky upstream event?

Stefan
>
>
>
>
> _______________________________________________
> gstreamer-devel mailing list
> gstreamer-devel at lists.freedesktop.org
> http://lists.freedesktop.org/mailman/listinfo/gstreamer-devel

-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.4.11 (GNU/Linux)
Comment: Using GnuPG with Thunderbird - http://www.enigmail.net/

iEYEARECAAYFAlMU1owACgkQITDA+qr9gcyUIwCgiWNCzipvr4cO3iQrZamqamRY
RFUAn1wA/or1dcWv5S/yeOErMZBFs0bf
=n7jG
-----END PGP SIGNATURE-----

-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.freedesktop.org/archives/gstreamer-devel/attachments/20140303/e067eb06/attachment-0001.html>