[Bug 693000] codecparsers: mpeg2: fix default quantizer matrix for intra blocks

GStreamer (bugzilla.gnome.org) bugzilla at gnome.org
Tue Feb 5 18:45:30 PST 2013


https://bugzilla.gnome.org/show_bug.cgi?id=693000
  GStreamer | gst-plugins-bad | git

--- Comment #13 from Wind Yuan <feng.yuan at intel.com> 2013-02-06 02:45:24 UTC ---
yes, Gwenole is correct, xxx_quantiser_matrix is only encoded in zigzag order.
Refer to 6.3.11 of ISO/IEC 13818-2 : 2000 (E)
"intra_quantiser_matrix – This is a list of sixty-four 8-bit unsigned integers.
The new values, encoded in the default zigzag scanning order as described in
7.3.1, replace the previous values."

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