[Bug 729124] multiqueue: avoid signaling overrun on the first segment

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=729124
  GStreamer | gstreamer (core) | unspecified

Thiago Sousa Santos <thiagossantos> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|                            |FIXED
   Target Milestone|HEAD                        |1.3.1

--- Comment #7 from Thiago Sousa Santos <thiagossantos at gmail.com> 2014-04-28 21:17:13 UTC ---
Thanks for the review.

commit 0a3bc6be1fc09a8aabde43505f9c3f0dfaf2ed94
Author: Thiago Santos <ts.santos at sisa.samsung.com>
Date:   Mon Apr 28 13:02:11 2014 -0300

    multiqueue: avoid signaling overrun on the first segment

    When the first segment has position != 0 and position > max-size-time
    it will immediatelly cause the multiqueue to signal overrun.

    This can happen easily with adaptive streams when switching bitrates
    and starting a new group. The segment for this new group will have
    a position that is much greater than 0 and will lead to this issue.
    This is particularly harmful when the adaptive stream uses mpegts
    that doesn't emit no-more-pads and it might happen that only one
    of the stream pads was added when the multiqueue overruns and gets
    the group ready for exposing. So the user will only get audio or
    video.

    The solution is to fallback to the sink segment while the source pad
    has no segment.

    https://bugzilla.gnome.org/show_bug.cgi?id=729124

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