[gstreamer-bugs] [Bug 335013] New: Check for busted posix_memalign

[GStreamer (bugzilla.gnome.org)]

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 GStreamer | gst-ffmpeg | Ver: 0.10.0

           Summary: Check for busted posix_memalign
           Product: GStreamer
           Version: 0.10.0
          Platform: Other
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: major
          Priority: Normal
         Component: gst-ffmpeg
        AssignedTo: gstreamer-bugs at lists.sourceforge.net
        ReportedBy: jensgr at gmx.net
         QAContact: gstreamer-bugs at lists.sourceforge.net
     GNOME version: Unspecified
   GNOME milestone: Unspecified


The glibc on my system (2.2.2) has a broken posix_memalign implementation that
cannot allocate arbitrary block sizes. As a result, av_malloc returns NULL, and
plugins relying on this orking (e.g. ffmpegdec) crash due to NULL pointer
dereferencing.

The following patch makes configure check whether posix_memalign actually works
correctly, and also introduces memalign as a possible replacement.


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