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| author | Aurelien Jacobs <aurel@gnuage.org> | 2017-12-17 20:07:33 +0100 |
|---|---|---|
| committer | Aurelien Jacobs <aurel@gnuage.org> | 2018-03-07 22:26:53 +0100 |
| commit | f1e490b1adedd90ce35db894520ccc61cacb991d (patch) | |
| tree | 1cd6ddb1e050f66ea0fef6a5df444c15c4b922c0 /libavcodec/sbcdsp.c | |
| parent | 88508a87a55789672ce0eb66ccd23fda38eab5af (diff) | |
| download | ffmpeg-f1e490b1adedd90ce35db894520ccc61cacb991d.tar.gz | |
sbcenc: add MMX optimizations
This was originally based on libsbc, and was fully integrated into ffmpeg.
Rough speed test:
C version: speed= 592x
MMX version: speed= 785x
Diffstat (limited to 'libavcodec/sbcdsp.c')
| -rw-r--r-- | libavcodec/sbcdsp.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/libavcodec/sbcdsp.c b/libavcodec/sbcdsp.c index e155387f0d..2d0addcf28 100644 --- a/libavcodec/sbcdsp.c +++ b/libavcodec/sbcdsp.c @@ -379,4 +379,7 @@ av_cold void ff_sbcdsp_init(SBCDSPContext *s) /* Default implementation for scale factors calculation */ s->sbc_calc_scalefactors = sbc_calc_scalefactors; s->sbc_calc_scalefactors_j = sbc_calc_scalefactors_j; + + if (ARCH_X86) + ff_sbcdsp_init_x86(s); } |