Revision 19fb234e
ID | 19fb234e4af1ff9f58ff2fdd604ac6f6bb87ad6b |
Parent | 6c18f1cd |
Child | 5657d140 |
H.264: split luma dc idct out and implement MMX/SSE2 versions
About 2.5x the speed.
NOTE: the way that the asm code handles large qmuls is a bit suboptimal.
If x264-style dequant was used (separate shift and qmul values), it might
be possible to get some extra speed.
Originally committed as revision 26336 to svn://svn.ffmpeg.org/ffmpeg/trunk
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- libavcodec