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-rw-r--r--libavresample/x86/audio_convert.asm37
1 files changed, 37 insertions, 0 deletions
diff --git a/libavresample/x86/audio_convert.asm b/libavresample/x86/audio_convert.asm
index 244c4d1b08..4a92952c3d 100644
--- a/libavresample/x86/audio_convert.asm
+++ b/libavresample/x86/audio_convert.asm
@@ -223,6 +223,43 @@ INIT_YMM avx
CONV_FLT_TO_S32
%endif
+;------------------------------------------------------------------------------
+; void ff_conv_s16p_to_s16_2ch(int16_t *dst, int16_t *const *src, int len,
+; int channels);
+;------------------------------------------------------------------------------
+
+%macro CONV_S16P_TO_S16_2CH 0
+cglobal conv_s16p_to_s16_2ch, 3,4,5, dst, src0, len, src1
+ mov src1q, [src0q+gprsize]
+ mov src0q, [src0q ]
+ lea lenq, [2*lend]
+ add src0q, lenq
+ add src1q, lenq
+ lea dstq, [dstq+2*lenq]
+ neg lenq
+.loop
+ mova m0, [src0q+lenq ]
+ mova m1, [src1q+lenq ]
+ mova m2, [src0q+lenq+mmsize]
+ mova m3, [src1q+lenq+mmsize]
+ SBUTTERFLY2 wd, 0, 1, 4
+ SBUTTERFLY2 wd, 2, 3, 4
+ mova [dstq+2*lenq+0*mmsize], m0
+ mova [dstq+2*lenq+1*mmsize], m1
+ mova [dstq+2*lenq+2*mmsize], m2
+ mova [dstq+2*lenq+3*mmsize], m3
+ add lenq, 2*mmsize
+ jl .loop
+ REP_RET
+%endmacro
+
+INIT_XMM sse2
+CONV_S16P_TO_S16_2CH
+%if HAVE_AVX
+INIT_XMM avx
+CONV_S16P_TO_S16_2CH
+%endif
+
;-----------------------------------------------------------------------------
; void ff_conv_fltp_to_flt_6ch(float *dst, float *const *src, int len,
; int channels);