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ffmpeg/libavfilter
Andreas Rheinhardt 7971953d29 avfilter/x86/vf_pp7: Port ff_pp7_dctB_mmx to SSE2
Unfortunately a bit slower than the MMX version due to
the impossibility to use memory operands in paddw.
The situation would reverse if ff_dctB_mmx() would have
to issue emms.

dctB_c:                                                  3.7 ( 1.00x)
dctB_mmx:                                                3.3 ( 1.13x)
dctB_sse2:                                               3.6 ( 1.03x)

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
2026-05-15 20:29:29 +02:00
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