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| author | Justin Ruggles <justin.ruggles@gmail.com> | 2012-10-31 15:40:12 -0400 |
|---|---|---|
| committer | Justin Ruggles <justin.ruggles@gmail.com> | 2013-01-08 14:52:43 -0500 |
| commit | a6a3164b1399372dcf779643d7d605d7438c91b7 (patch) | |
| tree | bcc065d4117f621a432cd9cc359fb07c96c8e8d4 /libavresample/x86/dither_init.c | |
| parent | 1fb8f6a44f06e48386450fe0363aefc02583d24a (diff) | |
| download | ffmpeg-a6a3164b1399372dcf779643d7d605d7438c91b7.tar.gz | |
x86: lavr: add SSE2/AVX dither_int_to_float()
Diffstat (limited to 'libavresample/x86/dither_init.c')
| -rw-r--r-- | libavresample/x86/dither_init.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/libavresample/x86/dither_init.c b/libavresample/x86/dither_init.c index 1e20c1194a..de38398891 100644 --- a/libavresample/x86/dither_init.c +++ b/libavresample/x86/dither_init.c @@ -26,6 +26,12 @@ extern void ff_quantize_sse2(int16_t *dst, const float *src, float *dither, int len); +extern void ff_dither_int_to_float_rectangular_sse2(float *dst, int *src, int len); +extern void ff_dither_int_to_float_rectangular_avx(float *dst, int *src, int len); + +extern void ff_dither_int_to_float_triangular_sse2(float *dst, int *src0, int len); +extern void ff_dither_int_to_float_triangular_avx(float *dst, int *src0, int len); + av_cold void ff_dither_init_x86(DitherDSPContext *ddsp, enum AVResampleDitherMethod method) { @@ -36,4 +42,20 @@ av_cold void ff_dither_init_x86(DitherDSPContext *ddsp, ddsp->ptr_align = 16; ddsp->samples_align = 8; } + + if (method == AV_RESAMPLE_DITHER_RECTANGULAR) { + if (EXTERNAL_SSE2(mm_flags)) { + ddsp->dither_int_to_float = ff_dither_int_to_float_rectangular_sse2; + } + if (EXTERNAL_AVX(mm_flags)) { + ddsp->dither_int_to_float = ff_dither_int_to_float_rectangular_avx; + } + } else { + if (EXTERNAL_SSE2(mm_flags)) { + ddsp->dither_int_to_float = ff_dither_int_to_float_triangular_sse2; + } + if (EXTERNAL_AVX(mm_flags)) { + ddsp->dither_int_to_float = ff_dither_int_to_float_triangular_avx; + } + } } |