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x86/synth_filter: add synth_filter_sse

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Build only on x86_32 targets.

Signed-off-by: James Almer <jamrial@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
James Almer
2014-03-01 00:32:07 -03:00
committed by Michael Niedermayer
parent 561bfce203
commit 6467209836
2 changed files with 57 additions and 29 deletions
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43
libavcodec/x86/dcadsp.asm
View File

@@ -199,15 +199,23 @@ INIT_XMM sse
DCA_LFE_FIR 0
DCA_LFE_FIR 1
INIT_XMM sse2
%macro SHUF 2
%if cpuflag(sse2)
pshufd %1, %2, q0123
%else
mova %1, %2
shufps %1, %1, q0123
%endif
%endmacro
%macro INNER_LOOP 1
; reading backwards: ptr1 = synth_buf + j + i; ptr2 = synth_buf + j - i
;~ a += window[i + j] * (-synth_buf[15 - i + j])
;~ b += window[i + j + 16] * (synth_buf[i + j])
pshufd m5, [ptr2 + j + (15 - 3) * 4], q0123
SHUF m5, [ptr2 + j + (15 - 3) * 4]
mova m6, [ptr1 + j]
%if ARCH_X86_64
pshufd m11, [ptr2 + j + (15 - 3) * 4 - mmsize], q0123
SHUF m11, [ptr2 + j + (15 - 3) * 4 - mmsize]
mova m12, [ptr1 + j + mmsize]
%endif
mulps m6, [win + %1 + j + 16 * 4]
@@ -224,10 +232,10 @@ INIT_XMM sse2
%endif
;~ c += window[i + j + 32] * (synth_buf[16 + i + j])
;~ d += window[i + j + 48] * (synth_buf[31 - i + j])
pshufd m6, [ptr2 + j + (31 - 3) * 4], q0123
SHUF m6, [ptr2 + j + (31 - 3) * 4]
mova m5, [ptr1 + j + 16 * 4]
%if ARCH_X86_64
pshufd m12, [ptr2 + j + (31 - 3) * 4 - mmsize], q0123
SHUF m12, [ptr2 + j + (31 - 3) * 4 - mmsize]
mova m11, [ptr1 + j + mmsize + 16 * 4]
%endif
mulps m5, [win + %1 + j + 32 * 4]
@@ -245,9 +253,10 @@ INIT_XMM sse2
sub j, 64 * 4
%endmacro
; void ff_synth_filter_inner_sse2(float *synth_buf, float synth_buf2[32],
; const float window[512], float out[32],
; intptr_t offset, float scale)
; void ff_synth_filter_inner_<opt>(float *synth_buf, float synth_buf2[32],
; const float window[512], float out[32],
; intptr_t offset, float scale)
%macro SYNTH_FILTER 0
cglobal synth_filter_inner, 0, 6 + 4 * ARCH_X86_64, 7 + 6 * ARCH_X86_64, \
synth_buf, synth_buf2, window, out, off, scale
%define scale m0
@@ -258,7 +267,7 @@ cglobal synth_filter_inner, 0, 6 + 4 * ARCH_X86_64, 7 + 6 * ARCH_X86_64, \
%else
%define OFFQ offq
%endif
pshufd m0, m0, 0
SPLATD m0
; prepare inner counter limit 1
mov r5q, 480
sub r5q, offmp
@@ -274,8 +283,8 @@ cglobal synth_filter_inner, 0, 6 + 4 * ARCH_X86_64, 7 + 6 * ARCH_X86_64, \
%endif
.mainloop
; m1 = a m2 = b m3 = c m4 = d
pxor m3, m3
pxor m4, m4
xorps m3, m3
xorps m4, m4
mova m1, [buf2 + i]
mova m2, [buf2 + i + 16 * 4]
%if ARCH_X86_32
@@ -292,8 +301,8 @@ cglobal synth_filter_inner, 0, 6 + 4 * ARCH_X86_64, 7 + 6 * ARCH_X86_64, \
%define ptr2 r7q ; must be loaded
%define win r8q
%define j r9q
pxor m9, m9
pxor m10, m10
xorps m9, m9
xorps m10, m10
mova m7, [buf2 + i + mmsize]
mova m8, [buf2 + i + mmsize + 16 * 4]
lea win, [windowq + i]
@@ -350,3 +359,11 @@ cglobal synth_filter_inner, 0, 6 + 4 * ARCH_X86_64, 7 + 6 * ARCH_X86_64, \
sub i, (ARCH_X86_64 + 1) * mmsize
jge .mainloop
RET
%endmacro
%if ARCH_X86_32
INIT_XMM sse
SYNTH_FILTER
%endif
INIT_XMM sse2
SYNTH_FILTER

43
libavcodec/x86/dcadsp_init.c
View File

@@ -56,29 +56,40 @@ av_cold void ff_dcadsp_init_x86(DCADSPContext *s)
}
}
void ff_synth_filter_inner_sse2(float *synth_buf_ptr, float synth_buf2[32],
const float window[512],
float out[32], intptr_t offset, float scale);
static void synth_filter_sse2(FFTContext *imdct,
float *synth_buf_ptr, int *synth_buf_offset,
float synth_buf2[32], const float window[512],
float out[32], const float in[32], float scale)
{
float *synth_buf= synth_buf_ptr + *synth_buf_offset;
#define SYNTH_FILTER_FUNC(opt) \
void ff_synth_filter_inner_##opt(float *synth_buf_ptr, float synth_buf2[32], \
const float window[512], \
float out[32], intptr_t offset, float scale); \
static void synth_filter_##opt(FFTContext *imdct, \
float *synth_buf_ptr, int *synth_buf_offset, \
float synth_buf2[32], const float window[512], \
float out[32], const float in[32], float scale) \
{ \
float *synth_buf= synth_buf_ptr + *synth_buf_offset; \
\
imdct->imdct_half(imdct, synth_buf, in); \
\
ff_synth_filter_inner_##opt(synth_buf, synth_buf2, window, \
out, *synth_buf_offset, scale); \
\
*synth_buf_offset = (*synth_buf_offset - 32) & 511; \
} \
imdct->imdct_half(imdct, synth_buf, in);
ff_synth_filter_inner_sse2(synth_buf, synth_buf2, window,
out, *synth_buf_offset, scale);
*synth_buf_offset = (*synth_buf_offset - 32) & 511;
}
#if ARCH_X86_32
SYNTH_FILTER_FUNC(sse)
#endif
SYNTH_FILTER_FUNC(sse2)
av_cold void ff_synth_filter_init_x86(SynthFilterContext *s)
{
int cpu_flags = av_get_cpu_flags();
#if ARCH_X86_32
if (EXTERNAL_SSE(cpu_flags)) {
s->synth_filter_float = synth_filter_sse;
}
#endif
if (EXTERNAL_SSE2(cpu_flags)) {
s->synth_filter_float = synth_filter_sse2;
}