VP9 MC (ssse3) optimizations.

Decoding time of ped1080p.webm goes from 20.7sec to 11.3sec.

1 files changed, 171 insertions, 0 deletions

diff --git a/libavcodec/x86/vp9dsp_init.c b/libavcodec/x86/vp9dsp_init.c
new file mode 100644
index 0000000000..d135cf4bae
--- /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 */
+}