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authorMike Melanson <mike@multimedia.cx>2009-09-22 15:58:08 +0000
committerMike Melanson <mike@multimedia.cx>2009-09-22 15:58:08 +0000
commit138fe832152d4b30528933ca681b39831dd94569 (patch)
treeb34b3d32f0fed9ff232d0f984e1d3ea5bf99d869 /Makefile
parent71e4218054c7547f17864a9e6c8ba9306cbdd391 (diff)
downloadffmpeg-138fe832152d4b30528933ca681b39831dd94569.tar.gz
Perform the DC prediction reversal immediately after decoding all of
the DC coefficients. This has a greater probability of leveraging the coefficients while they are still cached. When testing with the Big Buck Bunny 1080p video, I consistently saw improvements of 500k-600k dezicycles per run (through reverse_dc_prediction()) thanks to this move. Originally committed as revision 19966 to svn://svn.ffmpeg.org/ffmpeg/trunk
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