[Bug 695540] New: [PATCH] riff: support raw avi with negative height

GStreamer (bugzilla.gnome.org) bugzilla at gnome.org
Sun Mar 10 00:49:14 PST 2013


https://bugzilla.gnome.org/show_bug.cgi?id=695540
  GStreamer | gst-plugins-base | git

           Summary: [PATCH] riff: support raw avi with negative height
    Classification: Platform
           Product: GStreamer
           Version: git
        OS/Version: All
            Status: UNCONFIRMED
          Severity: normal
          Priority: Normal
         Component: gst-plugins-base
        AssignedTo: gstreamer-bugs at lists.freedesktop.org
        ReportedBy: vhdirk at gmail.com
         QAContact: gstreamer-bugs at lists.freedesktop.org
     GNOME version: ---


Raw RGB is usually stored topdown, yet some tools (like ffmpeg) sometimes
invert the height field instead. 
An example video, created with ffmpeg, can be found here:
http://telin.ugent.be/~dvhaeren/clip.avi

This patch sets the caps to always have a positive height value. The height is
not required to be positive in the strf data, since avidemux still needs to
check if it really needs to invert the buffer.

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