[gstreamer-bugs] [Bug 532944] New: GstCollectPads has no special support for live streams

[GStreamer (bugzilla.gnome.org)]

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  GStreamer | gstreamer (core) | Ver: HEAD CVS
           Summary: GstCollectPads has no special support for live streams
           Product: GStreamer
           Version: HEAD CVS
          Platform: Other
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: Normal
         Component: gstreamer (core)
        AssignedTo: gstreamer-bugs at lists.sourceforge.net
        ReportedBy: slomo at circular-chaos.org
         QAContact: gstreamer-bugs at lists.sourceforge.net
     GNOME version: Unspecified
   GNOME milestone: Unspecified


Hi,
GstCollectPads currently has no special support for live streams.

With live streams it can easily happen, that you don't get any new buffers for
a longer time. When using GstCollectPads this means, that the complete element
will stall, no matter if other pads still get buffers or not, until the single
live stream that has no new buffers finally gets one again.
For this reason farsight currently has a liveadder element.

A solution for this would be a timeout when collecting buffers, but this would
probably be an ABI incompatible change (elements are expecting one non-NULL
buffer for every pad).


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