[FFmpeg-cvslog] VP9 MC (ssse3) optimizations.
Ronald S. Bultje
git at videolan.org
Thu Oct 3 13:59:30 CEST 2013
ffmpeg | branch: master | Ronald S. Bultje <rsbultje at gmail.com> | Sat Sep 21 21:24:03 2013 -0400| [c07ac8d467f0682d46be5d76337e2d86de21a0c2] | committer: Ronald S. Bultje
VP9 MC (ssse3) optimizations.
Decoding time of ped1080p.webm goes from 20.7sec to 11.3sec.
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=c07ac8d467f0682d46be5d76337e2d86de21a0c2
---
libavcodec/vp9dsp.c | 2 +
libavcodec/vp9dsp.h | 2 +
libavcodec/x86/Makefile | 2 +
libavcodec/x86/vp9dsp.asm | 221 ++++++++++++++++++++++++++++++++++++++++++
libavcodec/x86/vp9dsp_init.c | 171 ++++++++++++++++++++++++++++++++
libavutil/x86/x86inc.asm | 2 +-
6 files changed, 399 insertions(+), 1 deletion(-)
diff --git a/libavcodec/vp9dsp.c b/libavcodec/vp9dsp.c
index 37caec1..d35d753 100644
--- a/libavcodec/vp9dsp.c
+++ b/libavcodec/vp9dsp.c
@@ -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);
}
diff --git a/libavcodec/vp9dsp.h b/libavcodec/vp9dsp.h
index bab98da..2637127 100644
--- a/libavcodec/vp9dsp.h
+++ b/libavcodec/vp9dsp.h
@@ -112,4 +112,6 @@ typedef struct VP9DSPContext {
void ff_vp9dsp_init(VP9DSPContext *dsp);
+void ff_vp9dsp_init_x86(VP9DSPContext *dsp);
+
#endif /* AVCODEC_VP9DSP_H */
diff --git a/libavcodec/x86/Makefile b/libavcodec/x86/Makefile
index c2d4658..0a6bab8 100644
--- a/libavcodec/x86/Makefile
+++ b/libavcodec/x86/Makefile
@@ -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
diff --git a/libavcodec/x86/vp9dsp.asm b/libavcodec/x86/vp9dsp.asm
new file mode 100644
index 0000000..30db0ca
--- /dev/null
+++ b/libavcodec/x86/vp9dsp.asm
@@ -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
diff --git a/libavcodec/x86/vp9dsp_init.c b/libavcodec/x86/vp9dsp_init.c
new file mode 100644
index 0000000..d135cf4
--- /dev/null
+++ b/libavcodec/x86/vp9dsp_init.c
@@ -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 */
+}
diff --git a/libavutil/x86/x86inc.asm b/libavutil/x86/x86inc.asm
index 636213b..b9f5e81 100644
--- a/libavutil/x86/x86inc.asm
+++ b/libavutil/x86/x86inc.asm
@@ -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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