Log of /branches/dev-api-4/xvidcore/src/motion/estimation_rd_based.c
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Revision
1230 -
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Modified
Sun Nov 30 16:13:16 2003 UTC (20 years, 6 months ago) by
edgomez
File length: 31498 byte(s)
Diff to
previous 1215
* Thread safe MPEG4 quantization functions.
Cleaned up version of patch provided by Michael
- fixed compiling problems on gcc
- added const qualifiers every where it was possible to help C compiler
optimization.
- added the mpeg_quant_matrices param to all ASM function prototype
in comments (even if it's not used, that shows we do it deliberatly)
- forces m[intra][0][0] = 8, otherwise XviD could write invalid streams.
* Added real CRC computing in xvid_bench.c
Revision
1215 -
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Modified
Wed Nov 19 12:24:25 2003 UTC (20 years, 6 months ago) by
syskin
File length: 30920 byte(s)
Diff to
previous 1205
SearchData revised - not longer constant across checkcandidates, but keeps search results in self - no pointers and redirections. All checkcandidates are faster now.
Revision
1205 -
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Modified
Thu Nov 13 23:11:24 2003 UTC (20 years, 6 months ago) by
edgomez
File length: 30957 byte(s)
Diff to
previous 1177
MMXed the calculation of SSE for 8x8 16bit blocks. This helps quite
a lot VHQ=4 mode.
My tests show with trellis:chroma_me:
- ~20% speed improvement for vhq=4.
- at least 5% when using vhq=1.
Of course this speedup vanishes if more CPU intensive features are
used. CruNcher who used gmc/qpel, noticed "only" a ~5% speed
improvement.
NB: i'm of course talking about overall speed improvement. Such a
small patch for such a big improvement :-)
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