[gstreamer-bugs] [Bug 342155] to allow sink elements to ask for more data during preroll

[GStreamer (bugzilla.gnome.org)]

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 GStreamer | gstreamer (core) | Ver: HEAD CVS


Edgard Lima changed:

           What    |Removed                     |Added
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  Attachment #65724|0                           |1
        is obsolete|                            |




------- Comment #2 from Edgard Lima  2006-05-18 20:24 UTC -------
Created an attachment (id=65789)
 --> (http://bugzilla.gnome.org/attachment.cgi?id=65789&action=view)
this one works (not 100% yet)


Hi Wim,

This second patch works like that:

1- like before, where preroll is called once - FINE
2- when preroll is called N times - FINE
3- when preroll is called N+1 times - DEADLOCK

I have tested some pipeline heres and N could be 100, 215, ...

It seems we have deadlock in g_cond_wait if preroll doesn't finish after some
amoout of time.

If you want to test it:

1- aply the patch
2- change the function gst_base_audio_sink_preroll to just return
GST_BASE_SINK_PREROLL_NEED_MORE_DATA the first 500 times it is called
3- try playbin with http://gstreamer.freedesktop.org/media/medium/alien.mpg


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