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x86/flacdsp: add a SSE2 version of wasted32 

flac_wasted_32_c: 851.3
flac_wasted_32_sse2: 41.3

Signed-off-by: James Almer <jamrial@gmail.com>
This commit is contained in:
James Almer 2024-05-12 11:53:44 -03:00
parent 5acec189af
commit 0664cbd732
2 changed files with 27 additions and 0 deletions
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24
libavcodec/x86/flacdsp.asm
View File

@ -89,6 +89,30 @@ LPC_32 sse4, 32, psrlq
LPC_32 xop, 32, psrlq
%endif
INIT_XMM sse2
cglobal flac_wasted_32, 3,3,5, decoded, wasted, len
shl lend, 2
add decodedq, lenq
neg lenq
movd m4, wastedd
ALIGN 16
.loop:
mova m0, [decodedq+lenq+mmsize*0]
mova m1, [decodedq+lenq+mmsize*1]
mova m2, [decodedq+lenq+mmsize*2]
mova m3, [decodedq+lenq+mmsize*3]
pslld m0, m4
pslld m1, m4
pslld m2, m4
pslld m3, m4
mova [decodedq+lenq+mmsize*0], m0
mova [decodedq+lenq+mmsize*1], m1
mova [decodedq+lenq+mmsize*2], m2
mova [decodedq+lenq+mmsize*3], m3
add lenq, mmsize * 4
jl .loop
RET
;----------------------------------------------------------------------------------
;void ff_flac_decorrelate_[lrm]s_16_sse2(uint8_t **out, int32_t **in, int channels,
; int len, int shift);

3
libavcodec/x86/flacdsp_init.c
View File

@ -30,6 +30,8 @@ void ff_flac_lpc_32_sse4(int32_t *samples, const int coeffs[32], int order,
void ff_flac_lpc_32_xop(int32_t *samples, const int coeffs[32], int order,
int qlevel, int len);
void ff_flac_wasted_32_sse2(int32_t *decoded, int wasted, int len);
#define DECORRELATE_FUNCS(fmt, opt) \
void ff_flac_decorrelate_ls_##fmt##_##opt(uint8_t **out, int32_t **in, int channels, \
int len, int shift); \
@ -63,6 +65,7 @@ av_cold void ff_flacdsp_init_x86(FLACDSPContext *c, enum AVSampleFormat fmt, int
int cpu_flags = av_get_cpu_flags();
if (EXTERNAL_SSE2(cpu_flags)) {
c->wasted32 = ff_flac_wasted_32_sse2;
if (fmt == AV_SAMPLE_FMT_S16) {
c->decorrelate[1] = ff_flac_decorrelate_ls_16_sse2;
c->decorrelate[2] = ff_flac_decorrelate_rs_16_sse2;