Jason Garrett-Glaser f311208cf1 VP8: much faster DC transform handling
A lot of the time the DC block is empty: don't do the WHT in this case.
A lot of the rest of the time, there's only one coefficient: make a special
DC-only transform for that case.
When the block is empty, don't incorrectly mark luma DCT blocks as having DC
coefficients.

Originally committed as revision 24670 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-08-02 20:57:03 +00:00
2010-07-31 15:45:29 +00:00
2010-08-02 07:28:35 +00:00
2010-07-28 23:17:59 +00:00
2010-07-21 18:28:42 +00:00
2010-08-02 17:09:55 +00:00
2010-03-08 05:04:29 +00:00
2010-07-28 23:17:59 +00:00

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