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swr: mix_2_1_float SSE/AVX

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Based-on code by Justin Ruggles
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2012-06-12 16:24:49 +02:00
parent beb0cd6acf
commit 52afa43691
2 changed files with 50 additions and 0 deletions
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48
libswresample/x86/rematrix.asm
View File

@ -23,6 +23,50 @@
SECTION .text
%macro MIX2_FLT 1
cglobal mix_2_1_%1_float, 7, 7, 6, out, in1, in2, coeffp, index1, index2, len
%ifidn %1, a
test in1q, mmsize-1
jne mix_2_1_float_u_int %+ SUFFIX
test in2q, mmsize-1
jne mix_2_1_float_u_int %+ SUFFIX
test outq, mmsize-1
jne mix_2_1_float_u_int %+ SUFFIX
%else
mix_2_1_float_u_int %+ SUFFIX
%endif
VBROADCASTSS m4, [coeffpq + 4*index1q]
VBROADCASTSS m5, [coeffpq + 4*index2q]
shl lenq , 2
add in1q , lenq
add in2q , lenq
add outq , lenq
neg lenq
.next:
%ifidn %1, a
mulps m0, m4, [in1q + lenq ]
mulps m1, m5, [in2q + lenq ]
mulps m2, m4, [in1q + lenq + mmsize]
mulps m3, m5, [in2q + lenq + mmsize]
%else
movu m0, [in1q + lenq ]
movu m1, [in2q + lenq ]
movu m2, [in1q + lenq + mmsize]
movu m3, [in2q + lenq + mmsize]
mulps m0, m0, m4
mulps m1, m1, m5
mulps m2, m2, m4
mulps m3, m3, m5
%endif
addps m0, m0, m1
addps m2, m2, m3
mov%1 [outq + lenq ], m0
mov%1 [outq + lenq + mmsize], m2
add lenq, mmsize*2
jl .next
REP_RET
%endmacro
%macro MIX1_FLT 1
cglobal mix_1_1_%1_float, 5, 5, 3, out, in, coeffp, index, len
%ifidn %1, a
@ -56,11 +100,15 @@ mix_1_1_float_u_int %+ SUFFIX
%endmacro
INIT_XMM sse
MIX2_FLT u
MIX2_FLT a
MIX1_FLT u
MIX1_FLT a
%if HAVE_AVX
INIT_YMM avx
MIX2_FLT u
MIX2_FLT a
MIX1_FLT u
MIX1_FLT a
%endif

2
libswresample/x86/swresample_x86.c
View File

@ -166,9 +166,11 @@ void swri_rematrix_init_x86(struct SwrContext *s){
} else if(s->midbuf.fmt == AV_SAMPLE_FMT_FLTP){
if(mm_flags & AV_CPU_FLAG_SSE) {
s->mix_1_1_simd = ff_mix_1_1_a_float_sse;
s->mix_2_1_simd = ff_mix_2_1_a_float_sse;
}
if(HAVE_AVX && mm_flags & AV_CPU_FLAG_AVX) {
s->mix_1_1_simd = ff_mix_1_1_a_float_avx;
s->mix_2_1_simd = ff_mix_2_1_a_float_avx;
}
s->native_simd_matrix = av_mallocz(num * sizeof(float));
memcpy(s->native_simd_matrix, s->native_matrix, num * sizeof(float));