---
libavresample/x86/dither.asm | 25 +++++++++++++++++++++++++
libavresample/x86/dither_init.c | 10 ++++++++++
2 files changed, 35 insertions(+), 0 deletions(-)
diff --git a/libavresample/x86/dither.asm b/libavresample/x86/dither.asm
index 821a9ef..f914255 100644
--- a/libavresample/x86/dither.asm
+++ b/libavresample/x86/dither.asm
@@ -77,3 +77,28 @@ INIT_XMM fma4
QUANTIZE_INT rectangular
QUANTIZE_INT triangular
%endif
+
+;------------------------------------------------------------------------------
+; void ff_quantize_float(int16_t *dst, float *src, float *dither, int len);
+;------------------------------------------------------------------------------
+
+INIT_XMM sse2
+cglobal quantize_float, 4,4,3, dst, src, dither, len
+ lea lenq, [2*lend]
+ add dstq, lenq
+ lea srcq, [srcq+2*lenq]
+ lea ditherq, [ditherq+2*lenq]
+ neg lenq
+ mova m2, [pf_s16_scale]
+.loop:
+ mulps m0, m2, [srcq+2*lenq]
+ mulps m1, m2, [srcq+2*lenq+mmsize]
+ addps m0, [ditherq+2*lenq]
+ addps m1, [ditherq+2*lenq+mmsize]
+ cvtps2dq m0, m0
+ cvtps2dq m1, m1
+ packssdw m0, m1
+ mova [dstq+lenq], m0
+ add lenq, mmsize
+ jl .loop
+ REP_RET
diff --git a/libavresample/x86/dither_init.c b/libavresample/x86/dither_init.c
index 35a74a0..998e21c 100644
--- a/libavresample/x86/dither_init.c
+++ b/libavresample/x86/dither_init.c
@@ -33,6 +33,9 @@ extern void ff_quantize_int_triangular_sse2(int16_t *dst,
const float *src,
extern void ff_quantize_int_triangular_fma4(int16_t *dst, const float *src,
void *dither, int len);
+extern void ff_quantize_float_sse2(int16_t *dst, const float *src, void
*dither,
+ int len);
+
av_cold void ff_dither_init_x86(DitherDSPContext *ddsp,
enum AVResampleDitherMethod method)
{
@@ -63,5 +66,12 @@ av_cold void ff_dither_init_x86(DitherDSPContext *ddsp,
ddsp->samples_align = 8;
}
break;
+ case AV_RESAMPLE_DITHER_TRIANGULAR_HP:
+ if (EXTERNAL_SSE2(mm_flags)) {
+ ddsp->quantize = ff_quantize_float_sse2;
+ ddsp->ptr_align = 16;
+ ddsp->samples_align = 8;
+ }
+ break;
}
}
--
1.7.1
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