Yaowu Xu d0dd01b8ce Redo the forward 4x4 dct ...

The new fdct lowers the round trip sum squared error for a
4x4 block ~0.12. or ~0.008/pixel. For reference, the old
matrix multiply version has average round trip error 1.46
for a 4x4 block.

Thanks to "derf" for his suggestions and references.

Change-Id: I5559d1e81d333b319404ab16b336b739f87afc79

2010-06-24 13:17:58 -07:00

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arm

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generic

Redo the forward 4x4 dct

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ppc

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x86

Redo the forward 4x4 dct

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bitstream.c

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bitstream.h

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block.h

Redo the forward 4x4 dct

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boolhuff.c

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boolhuff.h

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dct.c

Redo the forward 4x4 dct

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dct.h

Redo the forward 4x4 dct

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encodeframe.c

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encodeintra.c

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encodeintra.h

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encodemb.c

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encodemb.h

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encodemv.c

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encodemv.h

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ethreading.c

Redo the forward 4x4 dct

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firstpass.c

Moved DOUBLE_DIVIDE_CHECK to denominator (was on numerator)

2010-06-21 15:20:52 +01:00

firstpass.h

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mcomp.c

vp8cx : bestsad declared and initialized incorrectly.

2010-06-24 14:30:48 -04:00

mcomp.h

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modecosts.c

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modecosts.h

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onyx_if.c

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onyx_int.h

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parms.cpp

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pickinter.c

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pickinter.h

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picklpf.c

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preproc.c

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psnr.c

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psnr.h

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quantize.c

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quantize.h

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ratectrl.c

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ratectrl.h

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rdopt.c

Redo the forward 4x4 dct

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rdopt.h

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sad_c.c

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ssim.c

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tokenize.c

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tokenize.h

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treewriter.c

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treewriter.h

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variance_c.c

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variance.h

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