[gstreamer-bugs] [Bug 334822] [ffmpegcolorspace] YVU9 support

[GStreamer (bugzilla.gnome.org)]

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http://bugzilla.gnome.org/show_bug.cgi?id=334822
 GStreamer | gst-plugins-base | Ver: HEAD CVS





------- Comment #3 from Fabrizio Gennari  2006-03-18 09:58 UTC -------
Well, the new code is copied'n'pasted from above, so it should be tested
enough.

And, according to some quick calculations I've made, the new code is equivalent
to the old one if x_chroma_shift and y_chroma_shift are 1 (which is the case of
PIX_FMT_YVU420P).

ROUND_UP_X (height, 1) is the same as GST_ROUND_UP_2 (height)
DIV_ROUND_UP_X (height, 1) is the same as GST_ROUND_UP_2 (height) / 2
GST_ROUND_UP_4 (DIV_ROUND_UP_X (width, 1)) should be the same as GST_ROUND_UP_8
(GST_ROUND_UP_4 (width)) / 2 in all cases (at least if my calculations are not
wrong)

The file is large, 7,8 MB. It compresses well, but even with bz2 it is 3,8 MB.
I
sent you the file, if it doesn't arrive please tell me


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