[Bug 679522] New: [isomp4] Export transformation matrix

GStreamer (bugzilla.gnome.org) bugzilla at gnome.org
Fri Jul 6 08:44:01 PDT 2012


https://bugzilla.gnome.org/show_bug.cgi?id=679522
  GStreamer | gst-plugins-good | 0.11.x

           Summary: [isomp4] Export transformation matrix
    Classification: Platform
           Product: GStreamer
           Version: 0.11.x
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: Normal
         Component: gst-plugins-good
        AssignedTo: gstreamer-bugs at lists.freedesktop.org
        ReportedBy: bugzilla at hadess.net
         QAContact: gstreamer-bugs at lists.freedesktop.org
     GNOME version: ---


http://people.gnome.org/~hadess/IMG_0205.MOV

QuickTime can export a tranformation matrix in the mvhd "Movie Header" atom.

See:
http://developer.apple.com/library/mac/#documentation/QuickTime/QTFF/QTFFChap2/qtff2.html#//apple_ref/doc/uid/TP40000939-CH204-BBCBEAIF

This could be exported, and naively interpreted by movie players to rotate the
video.

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