lavc/flacenc: add sse4 version of the 16-bit lpc encoder
authorJames Darnley <james.darnley@gmail.com>
Tue, 12 Aug 2014 21:22:02 +0000 (23:22 +0200)
committerMichael Niedermayer <michaelni@gmx.at>
Tue, 12 Aug 2014 23:14:47 +0000 (01:14 +0200)
commit0081a14e7d1e44536400df19ad6c9ea8118db2e9
treec332e6e548a984cb078419c7bec1e56999a65d40
parent7cafdfe9c7992e95f08b320fc7b4f1512e4e2afb
lavc/flacenc: add sse4 version of the 16-bit lpc encoder

From 1.8 to 2.4 times faster.  Runtime is reduced by 2 to 39%.  The
speed-up generally increases with compression_level.

This lpc encoder is not used with levels < 3 so it provides no speed-up
in these cases.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
LICENSE.md
libavcodec/flacenc.c
libavcodec/x86/Makefile
libavcodec/x86/flac_dsp_gpl.asm [new file with mode: 0644]
libavcodec/x86/flacdsp_init.c