diff options
| author | James Almer <jamrial@gmail.com> | 2014-03-23 19:05:16 -0300 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2014-03-24 02:33:16 +0100 |
| commit | fa25c4c400649bcc7693107d2d4b9d1fa137173e (patch) | |
| tree | 548982ee6e1c438be8f89881e6ccca6f704d36c8 /libswresample/resample_template.c | |
| parent | ffd77f94a26be22b8ead3178ceec3ed39e68abc5 (diff) | |
swresample/resample: mmx2/sse2 int16 linear interpolation
About three times faster
Signed-off-by: James Almer <jamrial@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libswresample/resample_template.c')
| -rw-r--r-- | libswresample/resample_template.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/libswresample/resample_template.c b/libswresample/resample_template.c index 8d5ff4d50e..c6612766b4 100644 --- a/libswresample/resample_template.c +++ b/libswresample/resample_template.c @@ -81,9 +81,11 @@ # define RENAME(N) N ## _int16 # elif defined(TEMPLATE_RESAMPLE_S16_MMX2) # define COMMON_CORE COMMON_CORE_INT16_MMX2 +# define LINEAR_CORE LINEAR_CORE_INT16_MMX2 # define RENAME(N) N ## _int16_mmx2 # elif defined(TEMPLATE_RESAMPLE_S16_SSE2) # define COMMON_CORE COMMON_CORE_INT16_SSE2 +# define LINEAR_CORE LINEAR_CORE_INT16_SSE2 # define RENAME(N) N ## _int16_sse2 # endif @@ -163,10 +165,14 @@ int RENAME(swri_resample)(ResampleContext *c, DELEM *dst, const DELEM *src, int OUT(dst[dst_index], val); }else if(c->linear){ FELEM2 v2=0; +#ifdef LINEAR_CORE + LINEAR_CORE +#else for(i=0; i<c->filter_length; i++){ val += src[sample_index + i] * (FELEM2)filter[i]; v2 += src[sample_index + i] * (FELEM2)filter[i + c->filter_alloc]; } +#endif val+=(v2-val)*(FELEML)frac / c->src_incr; OUT(dst[dst_index], val); }else{ @@ -213,6 +219,7 @@ int RENAME(swri_resample)(ResampleContext *c, DELEM *dst, const DELEM *src, int } #undef COMMON_CORE +#undef LINEAR_CORE #undef RENAME #undef FILTER_SHIFT #undef DELEM |