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VP9 MC (ssse3) optimizations. 

Decoding time of ped1080p.webm goes from 20.7sec to 11.3sec.
tags/n2.1
Ronald S. Bultje 12 years ago
parent
848826f527
commit
c07ac8d467
6 changed files with 399 additions and 1 deletions
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  1. +2
    -0
      libavcodec/vp9dsp.c
  2. +2
    -0
      libavcodec/vp9dsp.h
  3. +2
    -0
      libavcodec/x86/Makefile
  4. +221
    -0
      libavcodec/x86/vp9dsp.asm
  5. +171
    -0
      libavcodec/x86/vp9dsp_init.c
  6. +1
    -1
      libavutil/x86/x86inc.asm

+ 2
- 0
libavcodec/vp9dsp.c View File

@@ -2044,4 +2044,6 @@ av_cold void ff_vp9dsp_init(VP9DSPContext *dsp)
vp9dsp_itxfm_init(dsp);
vp9dsp_loopfilter_init(dsp);
vp9dsp_mc_init(dsp);

if (ARCH_X86) ff_vp9dsp_init_x86(dsp);
}

+ 2
- 0
libavcodec/vp9dsp.h View File

@@ -112,4 +112,6 @@ typedef struct VP9DSPContext {

void ff_vp9dsp_init(VP9DSPContext *dsp);

void ff_vp9dsp_init_x86(VP9DSPContext *dsp);

#endif /* AVCODEC_VP9DSP_H */

+ 2
- 0
libavcodec/x86/Makefile View File

@@ -34,6 +34,7 @@ OBJS-$(CONFIG_VORBIS_DECODER) += x86/vorbisdsp_init.o
OBJS-$(CONFIG_VP3DSP) += x86/vp3dsp_init.o
OBJS-$(CONFIG_VP6_DECODER) += x86/vp6dsp_init.o
OBJS-$(CONFIG_VP8_DECODER) += x86/vp8dsp_init.o
OBJS-$(CONFIG_VP9_DECODER) += x86/vp9dsp_init.o
OBJS-$(CONFIG_WEBP_DECODER) += x86/vp8dsp_init.o
OBJS-$(CONFIG_XMM_CLOBBER_TEST) += x86/w64xmmtest.o

@@ -98,4 +99,5 @@ YASM-OBJS-$(CONFIG_VORBIS_DECODER) += x86/vorbisdsp.o
YASM-OBJS-$(CONFIG_VP3DSP) += x86/vp3dsp.o
YASM-OBJS-$(CONFIG_VP6_DECODER) += x86/vp6dsp.o
YASM-OBJS-$(CONFIG_VP8_DECODER) += x86/vp8dsp.o
YASM-OBJS-$(CONFIG_VP9_DECODER) += x86/vp9dsp.o
YASM-OBJS-$(CONFIG_WEBP_DECODER) += x86/vp8dsp.o

+ 221
- 0
libavcodec/x86/vp9dsp.asm View File

@@ -0,0 +1,221 @@
;******************************************************************************
;* VP9 SIMD optimizations
;*
;* Copyright (c) 2013 Ronald S. Bultje <rsbultje gmail com>
;*
;* This file is part of FFmpeg.
;*
;* FFmpeg is free software; you can redistribute it and/or
;* modify it under the terms of the GNU Lesser General Public
;* License as published by the Free Software Foundation; either
;* version 2.1 of the License, or (at your option) any later version.
;*
;* FFmpeg is distributed in the hope that it will be useful,
;* but WITHOUT ANY WARRANTY; without even the implied warranty of
;* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
;* Lesser General Public License for more details.
;*
;* You should have received a copy of the GNU Lesser General Public
;* License along with FFmpeg; if not, write to the Free Software
;* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
;******************************************************************************

%include "libavutil/x86/x86util.asm"

SECTION_RODATA

; FIXME share with vp8dsp.asm
pw_256: times 8 dw 256

%macro F8_TAPS 8
times 8 db %1, %2
times 8 db %3, %4
times 8 db %5, %6
times 8 db %7, %8
%endmacro
; int8_t ff_filters_ssse3[3][15][4][16]
const filters_ssse3 ; smooth
F8_TAPS -3, -1, 32, 64, 38, 1, -3, 0
F8_TAPS -2, -2, 29, 63, 41, 2, -3, 0
F8_TAPS -2, -2, 26, 63, 43, 4, -4, 0
F8_TAPS -2, -3, 24, 62, 46, 5, -4, 0
F8_TAPS -2, -3, 21, 60, 49, 7, -4, 0
F8_TAPS -1, -4, 18, 59, 51, 9, -4, 0
F8_TAPS -1, -4, 16, 57, 53, 12, -4, -1
F8_TAPS -1, -4, 14, 55, 55, 14, -4, -1
F8_TAPS -1, -4, 12, 53, 57, 16, -4, -1
F8_TAPS 0, -4, 9, 51, 59, 18, -4, -1
F8_TAPS 0, -4, 7, 49, 60, 21, -3, -2
F8_TAPS 0, -4, 5, 46, 62, 24, -3, -2
F8_TAPS 0, -4, 4, 43, 63, 26, -2, -2
F8_TAPS 0, -3, 2, 41, 63, 29, -2, -2
F8_TAPS 0, -3, 1, 38, 64, 32, -1, -3
; regular
F8_TAPS 0, 1, -5, 126, 8, -3, 1, 0
F8_TAPS -1, 3, -10, 122, 18, -6, 2, 0
F8_TAPS -1, 4, -13, 118, 27, -9, 3, -1
F8_TAPS -1, 4, -16, 112, 37, -11, 4, -1
F8_TAPS -1, 5, -18, 105, 48, -14, 4, -1
F8_TAPS -1, 5, -19, 97, 58, -16, 5, -1
F8_TAPS -1, 6, -19, 88, 68, -18, 5, -1
F8_TAPS -1, 6, -19, 78, 78, -19, 6, -1
F8_TAPS -1, 5, -18, 68, 88, -19, 6, -1
F8_TAPS -1, 5, -16, 58, 97, -19, 5, -1
F8_TAPS -1, 4, -14, 48, 105, -18, 5, -1
F8_TAPS -1, 4, -11, 37, 112, -16, 4, -1
F8_TAPS -1, 3, -9, 27, 118, -13, 4, -1
F8_TAPS 0, 2, -6, 18, 122, -10, 3, -1
F8_TAPS 0, 1, -3, 8, 126, -5, 1, 0
; sharp
F8_TAPS -1, 3, -7, 127, 8, -3, 1, 0
F8_TAPS -2, 5, -13, 125, 17, -6, 3, -1
F8_TAPS -3, 7, -17, 121, 27, -10, 5, -2
F8_TAPS -4, 9, -20, 115, 37, -13, 6, -2
F8_TAPS -4, 10, -23, 108, 48, -16, 8, -3
F8_TAPS -4, 10, -24, 100, 59, -19, 9, -3
F8_TAPS -4, 11, -24, 90, 70, -21, 10, -4
F8_TAPS -4, 11, -23, 80, 80, -23, 11, -4
F8_TAPS -4, 10, -21, 70, 90, -24, 11, -4
F8_TAPS -3, 9, -19, 59, 100, -24, 10, -4
F8_TAPS -3, 8, -16, 48, 108, -23, 10, -4
F8_TAPS -2, 6, -13, 37, 115, -20, 9, -4
F8_TAPS -2, 5, -10, 27, 121, -17, 7, -3
F8_TAPS -1, 3, -6, 17, 125, -13, 5, -2
F8_TAPS 0, 1, -3, 8, 127, -7, 3, -1

SECTION .text

%macro filter_h_fn 1
%assign %%px mmsize/2
cglobal %1_8tap_1d_h_%%px, 6, 6, 11, dst, dstride, src, sstride, h, filtery
mova m6, [pw_256]
mova m7, [filteryq+ 0]
%if ARCH_X86_64 && mmsize > 8
mova m8, [filteryq+16]
mova m9, [filteryq+32]
mova m10, [filteryq+48]
%endif
.loop:
movh m0, [srcq-3]
movh m1, [srcq-2]
movh m2, [srcq-1]
movh m3, [srcq+0]
movh m4, [srcq+1]
movh m5, [srcq+2]
punpcklbw m0, m1
punpcklbw m2, m3
movh m1, [srcq+3]
movh m3, [srcq+4]
add srcq, sstrideq
punpcklbw m4, m5
punpcklbw m1, m3
pmaddubsw m0, m7
%if ARCH_X86_64 && mmsize > 8
pmaddubsw m2, m8
pmaddubsw m4, m9
pmaddubsw m1, m10
%else
pmaddubsw m2, [filteryq+16]
pmaddubsw m4, [filteryq+32]
pmaddubsw m1, [filteryq+48]
%endif
paddw m0, m2
paddw m4, m1
paddsw m0, m4
pmulhrsw m0, m6
%ifidn %1, avg
movh m1, [dstq]
%endif
packuswb m0, m0
%ifidn %1, avg
pavgb m0, m1
%endif
movh [dstq], m0
add dstq, dstrideq
dec hd
jg .loop
RET
%endmacro

INIT_MMX ssse3
filter_h_fn put
filter_h_fn avg

INIT_XMM ssse3
filter_h_fn put
filter_h_fn avg

%macro filter_v_fn 1
%assign %%px mmsize/2
%if ARCH_X86_64
cglobal %1_8tap_1d_v_%%px, 6, 8, 11, dst, dstride, src, sstride, h, filtery, src4, sstride3
%else
cglobal %1_8tap_1d_v_%%px, 4, 7, 11, dst, dstride, src, sstride, filtery, src4, sstride3
mov filteryq, r5mp
%define hd r4mp
%endif
sub srcq, sstrideq
lea sstride3q, [sstrideq*3]
sub srcq, sstrideq
mova m6, [pw_256]
sub srcq, sstrideq
mova m7, [filteryq+ 0]
lea src4q, [srcq+sstrideq*4]
%if ARCH_X86_64 && mmsize > 8
mova m8, [filteryq+16]
mova m9, [filteryq+32]
mova m10, [filteryq+48]
%endif
.loop:
; FIXME maybe reuse loads from previous rows, or just
; more generally unroll this to prevent multiple loads of
; the same data?
movh m0, [srcq]
movh m1, [srcq+sstrideq]
movh m2, [srcq+sstrideq*2]
movh m3, [srcq+sstride3q]
movh m4, [src4q]
movh m5, [src4q+sstrideq]
punpcklbw m0, m1
punpcklbw m2, m3
movh m1, [src4q+sstrideq*2]
movh m3, [src4q+sstride3q]
add srcq, sstrideq
add src4q, sstrideq
punpcklbw m4, m5
punpcklbw m1, m3
pmaddubsw m0, m7
%if ARCH_X86_64 && mmsize > 8
pmaddubsw m2, m8
pmaddubsw m4, m9
pmaddubsw m1, m10
%else
pmaddubsw m2, [filteryq+16]
pmaddubsw m4, [filteryq+32]
pmaddubsw m1, [filteryq+48]
%endif
paddw m0, m2
paddw m4, m1
paddsw m0, m4
pmulhrsw m0, m6
%ifidn %1, avg
movh m1, [dstq]
%endif
packuswb m0, m0
%ifidn %1, avg
pavgb m0, m1
%endif
movh [dstq], m0
add dstq, dstrideq
dec hd
jg .loop
RET
%endmacro

INIT_MMX ssse3
filter_v_fn put
filter_v_fn avg

INIT_XMM ssse3
filter_v_fn put
filter_v_fn avg

+ 171
- 0
libavcodec/x86/vp9dsp_init.c View File

@@ -0,0 +1,171 @@
/*
* VP9 SIMD optimizations
*
* Copyright (c) 2013 Ronald S. Bultje <rsbultje gmail com>
*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/

#include "libavutil/cpu.h"
#include "libavutil/mem.h"
#include "libavutil/x86/asm.h"
#include "libavcodec/vp9dsp.h"

#if HAVE_YASM

#define mc_func(avg, sz, dir, opt) \
void ff_##avg##_8tap_1d_##dir##_##sz##_##opt(uint8_t *dst, ptrdiff_t dst_stride, \
const uint8_t *src, ptrdiff_t src_stride, \
int h, const int8_t (*filter)[16])
#define mc_funcs(sz) \
mc_func(put, sz, h, ssse3); \
mc_func(avg, sz, h, ssse3); \
mc_func(put, sz, v, ssse3); \
mc_func(avg, sz, v, ssse3)

mc_funcs(4);
mc_funcs(8);

#undef mc_funcs
#undef mc_func

#define mc_rep_func(avg, sz, hsz, dir, opt) \
static av_always_inline void \
ff_##avg##_8tap_1d_##dir##_##sz##_##opt(uint8_t *dst, ptrdiff_t dst_stride, \
const uint8_t *src, ptrdiff_t src_stride, \
int h, const int8_t (*filter)[16]) \
{ \
ff_##avg##_8tap_1d_##dir##_##hsz##_##opt(dst, dst_stride, src, \
src_stride, h, filter); \
ff_##avg##_8tap_1d_##dir##_##hsz##_##opt(dst + hsz, dst_stride, src + hsz, \
src_stride, h, filter); \
}

#define mc_rep_funcs(sz, hsz) \
mc_rep_func(put, sz, hsz, h, ssse3); \
mc_rep_func(avg, sz, hsz, h, ssse3); \
mc_rep_func(put, sz, hsz, v, ssse3); \
mc_rep_func(avg, sz, hsz, v, ssse3)

mc_rep_funcs(16, 8);
mc_rep_funcs(32, 16);
mc_rep_funcs(64, 32);

#undef mc_rep_funcs
#undef mc_rep_func

extern const int8_t ff_filters_ssse3[3][15][4][16];

#define filter_8tap_2d_fn(op, sz, f, fname) \
static void op##_8tap_##fname##_##sz##hv_ssse3(uint8_t *dst, ptrdiff_t dst_stride, \
const uint8_t *src, ptrdiff_t src_stride, \
int h, int mx, int my) \
{ \
LOCAL_ALIGNED_16(uint8_t, temp, [71 * 64]); \
ff_put_8tap_1d_h_##sz##_ssse3(temp, 64, src - 3 * src_stride, src_stride, \
h + 7, ff_filters_ssse3[f][mx - 1]); \
ff_##op##_8tap_1d_v_##sz##_ssse3(dst, dst_stride, temp + 3 * 64, 64, \
h, ff_filters_ssse3[f][my - 1]); \
}

#define filters_8tap_2d_fn(op, sz) \
filter_8tap_2d_fn(op, sz, FILTER_8TAP_REGULAR, regular) \
filter_8tap_2d_fn(op, sz, FILTER_8TAP_SHARP, sharp) \
filter_8tap_2d_fn(op, sz, FILTER_8TAP_SMOOTH, smooth)

#define filters_8tap_2d_fn2(op) \
filters_8tap_2d_fn(op, 64) \
filters_8tap_2d_fn(op, 32) \
filters_8tap_2d_fn(op, 16) \
filters_8tap_2d_fn(op, 8) \
filters_8tap_2d_fn(op, 4)

filters_8tap_2d_fn2(put)
filters_8tap_2d_fn2(avg)

#undef filters_8tap_2d_fn2
#undef filters_8tap_2d_fn
#undef filter_8tap_2d_fn

#define filter_8tap_1d_fn(op, sz, f, fname, dir, dvar) \
static void op##_8tap_##fname##_##sz##dir##_ssse3(uint8_t *dst, ptrdiff_t dst_stride, \
const uint8_t *src, ptrdiff_t src_stride, \
int h, int mx, int my) \
{ \
ff_##op##_8tap_1d_##dir##_##sz##_ssse3(dst, dst_stride, src, src_stride, \
h, ff_filters_ssse3[f][dvar - 1]); \
}

#define filters_8tap_1d_fn(op, sz, dir, dvar) \
filter_8tap_1d_fn(op, sz, FILTER_8TAP_REGULAR, regular, dir, dvar) \
filter_8tap_1d_fn(op, sz, FILTER_8TAP_SHARP, sharp, dir, dvar) \
filter_8tap_1d_fn(op, sz, FILTER_8TAP_SMOOTH, smooth, dir, dvar)

#define filters_8tap_1d_fn2(op, sz) \
filters_8tap_1d_fn(op, sz, h, mx) \
filters_8tap_1d_fn(op, sz, v, my)

#define filters_8tap_1d_fn3(op) \
filters_8tap_1d_fn2(op, 64) \
filters_8tap_1d_fn2(op, 32) \
filters_8tap_1d_fn2(op, 16) \
filters_8tap_1d_fn2(op, 8) \
filters_8tap_1d_fn2(op, 4)

filters_8tap_1d_fn3(put)
filters_8tap_1d_fn3(avg)

#undef filters_8tap_1d_fn
#undef filters_8tap_1d_fn2
#undef filters_8tap_1d_fn3
#undef filter_8tap_1d_fn

#endif /* HAVE_YASM */

av_cold void ff_vp9dsp_init_x86(VP9DSPContext *dsp)
{
#if HAVE_YASM
int cpu_flags = av_get_cpu_flags();

#define init_subpel1(idx1, idx2, idxh, idxv, sz, dir, type, opt) \
dsp->mc[idx1][FILTER_8TAP_SMOOTH ][idx2][idxh][idxv] = type##_8tap_smooth_##sz##dir##_##opt; \
dsp->mc[idx1][FILTER_8TAP_REGULAR][idx2][idxh][idxv] = type##_8tap_regular_##sz##dir##_##opt; \
dsp->mc[idx1][FILTER_8TAP_SHARP ][idx2][idxh][idxv] = type##_8tap_sharp_##sz##dir##_##opt

#define init_subpel2(idx, idxh, idxv, dir, type, opt) \
init_subpel1(0, idx, idxh, idxv, 64, dir, type, opt); \
init_subpel1(1, idx, idxh, idxv, 32, dir, type, opt); \
init_subpel1(2, idx, idxh, idxv, 16, dir, type, opt); \
init_subpel1(3, idx, idxh, idxv, 8, dir, type, opt); \
init_subpel1(4, idx, idxh, idxv, 4, dir, type, opt)

#define init_subpel3(idx, type, opt) \
init_subpel2(idx, 1, 1, hv, type, opt); \
init_subpel2(idx, 0, 1, v, type, opt); \
init_subpel2(idx, 1, 0, h, type, opt)

if (cpu_flags & AV_CPU_FLAG_SSSE3) {
init_subpel3(0, put, ssse3);
init_subpel3(1, avg, ssse3);
}

#undef init_subpel1
#undef init_subpel2
#undef init_subpel3

#endif /* HAVE_YASM */
}

+ 1
- 1
libavutil/x86/x86inc.asm View File

@@ -700,7 +700,7 @@ DECLARE_ARG 7, 8, 9, 10, 11, 12, 13, 14
extern %1
%endmacro

%macro const 2+
%macro const 1-2+
%xdefine %1 mangle(private_prefix %+ _ %+ %1)
global %1
%1: %2


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