---
libavresample/x86/audio_convert.asm | 40 ++++++++++++++++++++++++++++++++
libavresample/x86/audio_convert_init.c | 13 ++++++++++
2 files changed, 53 insertions(+), 0 deletions(-)
diff --git a/libavresample/x86/audio_convert.asm
b/libavresample/x86/audio_convert.asm
index 8be2f3c..319898a 100644
--- a/libavresample/x86/audio_convert.asm
+++ b/libavresample/x86/audio_convert.asm
@@ -928,3 +928,43 @@ CONV_S16_TO_S16P_6CH
INIT_XMM avx
CONV_S16_TO_S16P_6CH
%endif
+
+;------------------------------------------------------------------------------
+; void ff_conv_s16_to_fltp_2ch(float *const *dst, int16_t *src, int len,
+; int channels);
+;------------------------------------------------------------------------------
+
+%macro CONV_S16_TO_FLTP_2CH 0
+cglobal conv_s16_to_fltp_2ch, 3,4,4, dst0, src, len, dst1
+ lea lenq, [4*lend]
+ mov dst1q, [dst0q+gprsize]
+ mov dst0q, [dst0q ]
+ add srcq, lenq
+ add dst0q, lenq
+ add dst1q, lenq
+ neg lenq
+ mova m3, [pf_s16_inv_scale]
+ ALIGN 16
+.loop:
+ mova m0, [srcq+lenq]
+ S16_TO_S32_SX 0, 1
+ cvtdq2ps m0, m0
+ cvtdq2ps m1, m1
+ mulps m0, m0, m3
+ mulps m1, m1, m3
+ DEINT2_PS 0, 1, 2
+ mova [dst0q+lenq], m0
+ mova [dst1q+lenq], m1
+ add lenq, mmsize
+ jl .loop
+ REP_RET
+%endmacro
+
+INIT_XMM sse2
+CONV_S16_TO_FLTP_2CH
+INIT_XMM sse4
+CONV_S16_TO_FLTP_2CH
+%if HAVE_AVX
+INIT_XMM avx
+CONV_S16_TO_FLTP_2CH
+%endif
diff --git a/libavresample/x86/audio_convert_init.c
b/libavresample/x86/audio_convert_init.c
index 1d68aca..72c8f19 100644
--- a/libavresample/x86/audio_convert_init.c
+++ b/libavresample/x86/audio_convert_init.c
@@ -104,6 +104,13 @@ extern void ff_conv_s16_to_s16p_6ch_sse2(int16_t *const
*dst, int16_t *src,
extern void ff_conv_s16_to_s16p_6ch_avx (int16_t *const *dst, int16_t *src,
int len, int channels);
+extern void ff_conv_s16_to_fltp_2ch_sse2(float *const *dst, int16_t *src,
+ int len, int channels);
+extern void ff_conv_s16_to_fltp_2ch_sse4(float *const *dst, int16_t *src,
+ int len, int channels);
+extern void ff_conv_s16_to_fltp_2ch_avx (float *const *dst, int16_t *src,
+ int len, int channels);
+
av_cold void ff_audio_convert_init_x86(AudioConvert *ac)
{
#if HAVE_YASM
@@ -155,6 +162,8 @@ av_cold void ff_audio_convert_init_x86(AudioConvert *ac)
2, 16, 8, "SSE2",
ff_conv_s16_to_s16p_2ch_sse2);
ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_S16P, AV_SAMPLE_FMT_S16,
6, 16, 4, "SSE2",
ff_conv_s16_to_s16p_6ch_sse2);
+ ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_FLTP, AV_SAMPLE_FMT_S16,
+ 2, 16, 8, "SSE2",
ff_conv_s16_to_fltp_2ch_sse2);
}
if (mm_flags & AV_CPU_FLAG_SSSE3 && HAVE_SSE) {
ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_FLT, AV_SAMPLE_FMT_S16P,
@@ -169,6 +178,8 @@ av_cold void ff_audio_convert_init_x86(AudioConvert *ac)
0, 16, 8, "SSE4", ff_conv_s16_to_flt_sse4);
ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_FLT, AV_SAMPLE_FMT_FLTP,
6, 16, 4, "SSE4",
ff_conv_fltp_to_flt_6ch_sse4);
+ ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_FLTP, AV_SAMPLE_FMT_S16,
+ 2, 16, 8, "SSE4",
ff_conv_s16_to_fltp_2ch_sse4);
}
if (mm_flags & AV_CPU_FLAG_AVX && HAVE_AVX) {
ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_FLT, AV_SAMPLE_FMT_S32,
@@ -191,6 +202,8 @@ av_cold void ff_audio_convert_init_x86(AudioConvert *ac)
2, 16, 8, "AVX",
ff_conv_s16_to_s16p_2ch_avx);
ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_S16P, AV_SAMPLE_FMT_S16,
6, 16, 4, "AVX",
ff_conv_s16_to_s16p_6ch_avx);
+ ff_audio_convert_set_func(ac, AV_SAMPLE_FMT_FLTP, AV_SAMPLE_FMT_S16,
+ 2, 16, 8, "AVX",
ff_conv_s16_to_fltp_2ch_avx);
}
#endif
}
--
1.7.1
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