[Bug 655570] New: qtdemux: assertion error when playing Apple Trailers

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=655570
  GStreamer | gst-plugins-good | git

           Summary: qtdemux: assertion error when playing Apple Trailers
    Classification: Platform
           Product: GStreamer
           Version: git
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: Normal
         Component: gst-plugins-good
        AssignedTo: gstreamer-bugs at lists.freedesktop.org
        ReportedBy: phil at base-art.net
         QAContact: gstreamer-bugs at lists.freedesktop.org
     GNOME version: ---


This commit introduced the issue:

commit f89caeff5c1820caecfd2e1d9b93ffeb0a477a17
Author: Arun Raghavan <arun.raghavan at collabora.co.uk>
Date:   Tue May 25 01:04:43 2010 +0530

    qtdemux: guess bitrate if only one stream's bitrate is unknown

    If the bitrates for all but one audio/video streams are known, and the
    total stream size and duration can be determined, this calculates the
    unkown bitrate as (stream size / duration) - (sum of known bitrates).
    While this is not guaranteed to be very accurate, it should be good
    enough for most purposes.

    For example, this is useful for H.263 + AAC streams where no 'btrt' atom
    is available for the video portion.

    https://bugzilla.gnome.org/show_bug.cgi?id=619548

Assertion is:

g_assert (size > qtdemux->header_size);

In the case of the Apple Trailers I tried (with WebKitGtk), size and
qtdemux->header_size are equal.
The issue can likely be reproduced with Totem, for instance playing
http://trailers.apple.com/movies/independent/larafle/larafle-tlr1_h480p.mov

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