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authorJustin Ruggles <justin.ruggles@gmail.com>2012-05-29 17:03:40 -0400
committerJustin Ruggles <justin.ruggles@gmail.com>2012-06-18 11:24:10 -0400
commit29f7490c461431b5c00e496f3e0253c170b3924c (patch)
tree96e95e3736366842f9895f3a8caab54e30cd0f9b
parent3971be0eb5d382b85f1d8772c51f21cccdc68eab (diff)
downloadffmpeg-29f7490c461431b5c00e496f3e0253c170b3924c.tar.gz
lavr: add x86-optimized functions for mixing 1-to-2 fltp with flt coeffs
-rw-r--r--libavresample/x86/audio_mix.asm34
-rw-r--r--libavresample/x86/audio_mix_init.c9
2 files changed, 43 insertions, 0 deletions
diff --git a/libavresample/x86/audio_mix.asm b/libavresample/x86/audio_mix.asm
index 8a4cf061cd..2bc89cac92 100644
--- a/libavresample/x86/audio_mix.asm
+++ b/libavresample/x86/audio_mix.asm
@@ -150,3 +150,37 @@ cglobal mix_2_to_1_s16p_q8, 3,4,6, src, matrix, len, src1
sub lend, mmsize/2
jg .loop
REP_RET
+
+;-----------------------------------------------------------------------------
+; void ff_mix_1_to_2_fltp_flt(float **src, float **matrix, int len,
+; int out_ch, int in_ch);
+;-----------------------------------------------------------------------------
+
+%macro MIX_1_TO_2_FLTP_FLT 0
+cglobal mix_1_to_2_fltp_flt, 3,5,4, src0, matrix0, len, src1, matrix1
+ mov src1q, [src0q+gprsize]
+ mov src0q, [src0q]
+ sub src1q, src0q
+ mov matrix1q, [matrix0q+gprsize]
+ mov matrix0q, [matrix0q]
+ VBROADCASTSS m2, [matrix0q]
+ VBROADCASTSS m3, [matrix1q]
+ ALIGN 16
+.loop:
+ mova m0, [src0q]
+ mulps m1, m0, m3
+ mulps m0, m0, m2
+ mova [src0q ], m0
+ mova [src0q+src1q], m1
+ add src0q, mmsize
+ sub lend, mmsize/4
+ jg .loop
+ REP_RET
+%endmacro
+
+INIT_XMM sse
+MIX_1_TO_2_FLTP_FLT
+%if HAVE_AVX
+INIT_YMM avx
+MIX_1_TO_2_FLTP_FLT
+%endif
diff --git a/libavresample/x86/audio_mix_init.c b/libavresample/x86/audio_mix_init.c
index fa204d6d36..aede260190 100644
--- a/libavresample/x86/audio_mix_init.c
+++ b/libavresample/x86/audio_mix_init.c
@@ -35,6 +35,11 @@ extern void ff_mix_2_to_1_s16p_flt_sse4(int16_t **src, float **matrix, int len,
extern void ff_mix_2_to_1_s16p_q8_sse2(int16_t **src, int16_t **matrix,
int len, int out_ch, int in_ch);
+extern void ff_mix_1_to_2_fltp_flt_sse(float **src, float **matrix, int len,
+ int out_ch, int in_ch);
+extern void ff_mix_1_to_2_fltp_flt_avx(float **src, float **matrix, int len,
+ int out_ch, int in_ch);
+
av_cold void ff_audio_mix_init_x86(AudioMix *am)
{
#if HAVE_YASM
@@ -43,6 +48,8 @@ av_cold void ff_audio_mix_init_x86(AudioMix *am)
if (mm_flags & AV_CPU_FLAG_SSE && HAVE_SSE) {
ff_audio_mix_set_func(am, AV_SAMPLE_FMT_FLTP, AV_MIX_COEFF_TYPE_FLT,
2, 1, 16, 8, "SSE", ff_mix_2_to_1_fltp_flt_sse);
+ ff_audio_mix_set_func(am, AV_SAMPLE_FMT_FLTP, AV_MIX_COEFF_TYPE_FLT,
+ 1, 2, 16, 4, "SSE", ff_mix_1_to_2_fltp_flt_sse);
}
if (mm_flags & AV_CPU_FLAG_SSE2 && HAVE_SSE) {
ff_audio_mix_set_func(am, AV_SAMPLE_FMT_S16P, AV_MIX_COEFF_TYPE_FLT,
@@ -57,6 +64,8 @@ av_cold void ff_audio_mix_init_x86(AudioMix *am)
if (mm_flags & AV_CPU_FLAG_AVX && HAVE_AVX) {
ff_audio_mix_set_func(am, AV_SAMPLE_FMT_FLTP, AV_MIX_COEFF_TYPE_FLT,
2, 1, 32, 16, "AVX", ff_mix_2_to_1_fltp_flt_avx);
+ ff_audio_mix_set_func(am, AV_SAMPLE_FMT_FLTP, AV_MIX_COEFF_TYPE_FLT,
+ 1, 2, 32, 8, "AVX", ff_mix_1_to_2_fltp_flt_avx);
}
#endif
}