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mirror of https://github.com/FFmpeg/FFmpeg.git synced 2025-01-24 13:56:33 +02:00
FFmpeg/libavcodec
Christophe Gisquet adf4ee40e7 wma lossless: reuse scalarproduct_and_madd_int16
This is done by padding the coefficient buffer with 0s, because the order
may be only a multiple of 4, and the DSP function requires batches of 8.

However, no sample with such a case was found, so request one if it uses
that kind of order.

Approximate relative speedup depending on instruction set:
plain C: -6%
mmxext:  51%
sse2:    54%

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2014-06-06 13:51:41 +02:00
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