---
libavresample/x86/audio_convert.asm | 37 ++++++++++++++++++++++++++++++++
libavresample/x86/audio_convert_init.c | 7 ++++++
2 files changed, 44 insertions(+), 0 deletions(-)
diff --git a/libavresample/x86/audio_convert.asm
b/libavresample/x86/audio_convert.asm
index 8240a32..ead4a5c 100644
--- a/libavresample/x86/audio_convert.asm
+++ b/libavresample/x86/audio_convert.asm
@@ -695,6 +695,43 @@ INIT_XMM avx
CONV_FLTP_TO_S16_6CH
%endif
+;------------------------------------------------------------------------------
+; void ff_conv_fltp_to_flt_2ch(float *dst, float *const *src, int len,
+; int channels);
+;------------------------------------------------------------------------------
+
+%macro CONV_FLTP_TO_FLT_2CH 0
+cglobal conv_fltp_to_flt_2ch, 3,4,5, dst, src0, len, src1
+ mov src1q, [src0q+gprsize]
+ mov src0q, [src0q]
+ lea lenq, [4*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]
+ SBUTTERFLYPS 0, 1, 4
+ SBUTTERFLYPS 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 sse
+CONV_FLTP_TO_FLT_2CH
+%if HAVE_AVX
+INIT_XMM avx
+CONV_FLTP_TO_FLT_2CH
+%endif
+
;-----------------------------------------------------------------------------
; void ff_conv_fltp_to_flt_6ch(float *dst, float *const *src, int len,
; int channels);
diff --git a/libavresample/x86/audio_convert_init.c
b/libavresample/x86/audio_convert_init.c
index 51e51f5..6e78338 100644
--- a/libavresample/x86/audio_convert_init.c
+++ b/libavresample/x86/audio_convert_init.c
@@ -78,6 +78,11 @@ extern void ff_conv_fltp_to_s16_6ch_sse2(int16_t *dst, float
*const *src,
extern void ff_conv_fltp_to_s16_6ch_avx (int16_t *dst, float *const *src,
int len, int channels);
+extern void ff_conv_fltp_to_flt_2ch_sse(float *dst, float *const *src, int len,
+ int channels);
+extern void ff_conv_fltp_to_flt_2ch_avx(float *dst, float *const *src, int len,
+ int channels);
+
extern void ff_conv_fltp_to_flt_6ch_mmx (float *dst, float *const *src, int
len,
int channels);
extern void ff_conv_fltp_to_flt_6ch_sse4(float *dst, float *const *src, int
len,
@@ -99,6 +104,8 @@ av_cold void ff_audio_convert_init_x86(AudioConvert *ac)
if (mm_flags & AV_CPU_FLAG_SSE && HAVE_SSE) {
ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_S16, AV_SAMPLE_FMT_FLTP,
6, 1, 2, "SSE", ff_conv_fltp_to_s16_6ch_sse);
+ ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_FLT, AV_SAMPLE_FMT_FLTP,
+ 2, 16, 8, "SSE",
ff_conv_fltp_to_flt_2ch_sse);
}
if (mm_flags & AV_CPU_FLAG_SSE2 && HAVE_SSE) {
if (!(mm_flags & AV_CPU_FLAG_SSE2SLOW)) {
--
1.7.1
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