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9f10cff610
This work is sponsored by, and copyright, Google.
This is similar to the arm version, but due to the larger registers
on aarch64, we can do 8 pixels at a time for all filter sizes.
Examples of runtimes vs the 32 bit version, on a Cortex A53:
ARM AArch64
vp9_loop_filter_h_4_8_10bpp_neon: 213.2 172.6
vp9_loop_filter_h_8_8_10bpp_neon: 281.2 244.2
vp9_loop_filter_h_16_8_10bpp_neon: 657.0 444.5
vp9_loop_filter_h_16_16_10bpp_neon: 1280.4 877.7
vp9_loop_filter_mix2_h_44_16_10bpp_neon: 397.7 358.0
vp9_loop_filter_mix2_h_48_16_10bpp_neon: 465.7 429.0
vp9_loop_filter_mix2_h_84_16_10bpp_neon: 465.7 428.0
vp9_loop_filter_mix2_h_88_16_10bpp_neon: 533.7 499.0
vp9_loop_filter_mix2_v_44_16_10bpp_neon: 271.5 244.0
vp9_loop_filter_mix2_v_48_16_10bpp_neon: 330.0 305.0
vp9_loop_filter_mix2_v_84_16_10bpp_neon: 329.0 306.0
vp9_loop_filter_mix2_v_88_16_10bpp_neon: 386.0 365.0
vp9_loop_filter_v_4_8_10bpp_neon: 150.0 115.2
vp9_loop_filter_v_8_8_10bpp_neon: 209.0 175.5
vp9_loop_filter_v_16_8_10bpp_neon: 492.7 345.2
vp9_loop_filter_v_16_16_10bpp_neon: 951.0 682.7
This is significantly faster than the ARM version in almost
all cases except for the mix2 functions.
Based on START_TIMER/STOP_TIMER wrapping around a few individual
functions, the speedup vs C code is around 2-3x.
Signed-off-by: Martin Storsjö <martin@martin.st>
273 lines
10 KiB
C
273 lines
10 KiB
C
/*
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* Copyright (c) 2017 Google Inc.
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include <stdint.h>
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#include "libavutil/attributes.h"
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#include "libavutil/aarch64/cpu.h"
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#include "vp9dsp_init.h"
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#define declare_fpel(type, sz, suffix) \
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void ff_vp9_##type##sz##suffix##_neon(uint8_t *dst, ptrdiff_t dst_stride, \
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const uint8_t *src, ptrdiff_t src_stride, \
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int h, int mx, int my)
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#define decl_mc_func(op, filter, dir, sz, bpp) \
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void ff_vp9_##op##_##filter##sz##_##dir##_##bpp##_neon(uint8_t *dst, ptrdiff_t dst_stride, \
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const uint8_t *src, ptrdiff_t src_stride, \
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int h, int mx, int my)
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#define define_8tap_2d_fn(op, filter, sz, bpp) \
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static void op##_##filter##sz##_hv_##bpp##_neon(uint8_t *dst, ptrdiff_t dst_stride, \
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const uint8_t *src, \
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ptrdiff_t src_stride, \
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int h, int mx, int my) \
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{ \
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LOCAL_ALIGNED_16(uint8_t, temp, [((1 + (sz < 64)) * sz + 8) * sz * 2]); \
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/* We only need h + 7 lines, but the horizontal filter assumes an \
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* even number of rows, so filter h + 8 lines here. */ \
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ff_vp9_put_##filter##sz##_h_##bpp##_neon(temp, 2 * sz, \
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src - 3 * src_stride, src_stride, \
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h + 8, mx, 0); \
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ff_vp9_##op##_##filter##sz##_v_##bpp##_neon(dst, dst_stride, \
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temp + 3 * 2 * sz, 2 * sz, \
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h, 0, my); \
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}
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#define decl_filter_funcs(op, dir, sz, bpp) \
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decl_mc_func(op, regular, dir, sz, bpp); \
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decl_mc_func(op, sharp, dir, sz, bpp); \
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decl_mc_func(op, smooth, dir, sz, bpp)
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#define decl_mc_funcs(sz, bpp) \
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decl_filter_funcs(put, h, sz, bpp); \
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decl_filter_funcs(avg, h, sz, bpp); \
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decl_filter_funcs(put, v, sz, bpp); \
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decl_filter_funcs(avg, v, sz, bpp); \
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decl_filter_funcs(put, hv, sz, bpp); \
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decl_filter_funcs(avg, hv, sz, bpp)
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#define ff_vp9_copy32_neon ff_vp9_copy32_aarch64
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#define ff_vp9_copy64_neon ff_vp9_copy64_aarch64
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#define ff_vp9_copy128_neon ff_vp9_copy128_aarch64
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declare_fpel(copy, 128, );
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declare_fpel(copy, 64, );
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declare_fpel(copy, 32, );
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declare_fpel(copy, 16, );
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declare_fpel(copy, 8, );
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declare_fpel(avg, 64, _16);
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declare_fpel(avg, 32, _16);
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declare_fpel(avg, 16, _16);
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declare_fpel(avg, 8, _16);
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declare_fpel(avg, 4, _16);
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decl_mc_funcs(64, BPP);
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decl_mc_funcs(32, BPP);
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decl_mc_funcs(16, BPP);
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decl_mc_funcs(8, BPP);
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decl_mc_funcs(4, BPP);
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#define define_8tap_2d_funcs(sz, bpp) \
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define_8tap_2d_fn(put, regular, sz, bpp) \
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define_8tap_2d_fn(put, sharp, sz, bpp) \
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define_8tap_2d_fn(put, smooth, sz, bpp) \
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define_8tap_2d_fn(avg, regular, sz, bpp) \
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define_8tap_2d_fn(avg, sharp, sz, bpp) \
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define_8tap_2d_fn(avg, smooth, sz, bpp)
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define_8tap_2d_funcs(64, BPP)
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define_8tap_2d_funcs(32, BPP)
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define_8tap_2d_funcs(16, BPP)
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define_8tap_2d_funcs(8, BPP)
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define_8tap_2d_funcs(4, BPP)
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static av_cold void vp9dsp_mc_init_aarch64(VP9DSPContext *dsp)
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{
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int cpu_flags = av_get_cpu_flags();
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#define init_fpel(idx1, idx2, sz, type, suffix) \
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dsp->mc[idx1][FILTER_8TAP_SMOOTH ][idx2][0][0] = \
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dsp->mc[idx1][FILTER_8TAP_REGULAR][idx2][0][0] = \
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dsp->mc[idx1][FILTER_8TAP_SHARP ][idx2][0][0] = \
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dsp->mc[idx1][FILTER_BILINEAR ][idx2][0][0] = ff_vp9_##type##sz##suffix
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#define init_copy(idx, sz, suffix) \
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init_fpel(idx, 0, sz, copy, suffix)
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#define init_avg(idx, sz, suffix) \
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init_fpel(idx, 1, sz, avg, suffix)
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#define init_copy_avg(idx, sz1, sz2) \
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init_copy(idx, sz2, _neon); \
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init_avg (idx, sz1, _16_neon)
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if (have_armv8(cpu_flags)) {
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init_copy(0, 128, _aarch64);
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init_copy(1, 64, _aarch64);
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init_copy(2, 32, _aarch64);
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}
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if (have_neon(cpu_flags)) {
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#define init_mc_func(idx1, idx2, op, filter, fname, dir, mx, my, sz, pfx, bpp) \
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dsp->mc[idx1][filter][idx2][mx][my] = pfx##op##_##fname##sz##_##dir##_##bpp##_neon
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#define init_mc_funcs(idx, dir, mx, my, sz, pfx, bpp) \
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init_mc_func(idx, 0, put, FILTER_8TAP_REGULAR, regular, dir, mx, my, sz, pfx, bpp); \
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init_mc_func(idx, 0, put, FILTER_8TAP_SHARP, sharp, dir, mx, my, sz, pfx, bpp); \
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init_mc_func(idx, 0, put, FILTER_8TAP_SMOOTH, smooth, dir, mx, my, sz, pfx, bpp); \
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init_mc_func(idx, 1, avg, FILTER_8TAP_REGULAR, regular, dir, mx, my, sz, pfx, bpp); \
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init_mc_func(idx, 1, avg, FILTER_8TAP_SHARP, sharp, dir, mx, my, sz, pfx, bpp); \
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init_mc_func(idx, 1, avg, FILTER_8TAP_SMOOTH, smooth, dir, mx, my, sz, pfx, bpp)
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#define init_mc_funcs_dirs(idx, sz, bpp) \
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init_mc_funcs(idx, v, 0, 1, sz, ff_vp9_, bpp); \
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init_mc_funcs(idx, h, 1, 0, sz, ff_vp9_, bpp); \
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init_mc_funcs(idx, hv, 1, 1, sz, , bpp)
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init_avg(0, 64, _16_neon);
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init_avg(1, 32, _16_neon);
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init_avg(2, 16, _16_neon);
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init_copy_avg(3, 8, 16);
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init_copy_avg(4, 4, 8);
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init_mc_funcs_dirs(0, 64, BPP);
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init_mc_funcs_dirs(1, 32, BPP);
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init_mc_funcs_dirs(2, 16, BPP);
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init_mc_funcs_dirs(3, 8, BPP);
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init_mc_funcs_dirs(4, 4, BPP);
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}
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}
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#define define_itxfm2(type_a, type_b, sz, bpp) \
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void ff_vp9_##type_a##_##type_b##_##sz##x##sz##_add_##bpp##_neon(uint8_t *_dst, \
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ptrdiff_t stride, \
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int16_t *_block, int eob)
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#define define_itxfm(type_a, type_b, sz, bpp) define_itxfm2(type_a, type_b, sz, bpp)
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#define define_itxfm_funcs(sz, bpp) \
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define_itxfm(idct, idct, sz, bpp); \
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define_itxfm(iadst, idct, sz, bpp); \
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define_itxfm(idct, iadst, sz, bpp); \
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define_itxfm(iadst, iadst, sz, bpp)
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define_itxfm_funcs(4, BPP);
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define_itxfm_funcs(8, BPP);
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define_itxfm_funcs(16, BPP);
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define_itxfm(idct, idct, 32, BPP);
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define_itxfm(iwht, iwht, 4, BPP);
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static av_cold void vp9dsp_itxfm_init_aarch64(VP9DSPContext *dsp)
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{
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int cpu_flags = av_get_cpu_flags();
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if (have_neon(cpu_flags)) {
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#define init_itxfm2(tx, sz, bpp) \
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dsp->itxfm_add[tx][DCT_DCT] = ff_vp9_idct_idct_##sz##_add_##bpp##_neon; \
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dsp->itxfm_add[tx][DCT_ADST] = ff_vp9_iadst_idct_##sz##_add_##bpp##_neon; \
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dsp->itxfm_add[tx][ADST_DCT] = ff_vp9_idct_iadst_##sz##_add_##bpp##_neon; \
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dsp->itxfm_add[tx][ADST_ADST] = ff_vp9_iadst_iadst_##sz##_add_##bpp##_neon
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#define init_itxfm(tx, sz, bpp) init_itxfm2(tx, sz, bpp)
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#define init_idct2(tx, nm, bpp) \
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dsp->itxfm_add[tx][DCT_DCT] = \
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dsp->itxfm_add[tx][ADST_DCT] = \
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dsp->itxfm_add[tx][DCT_ADST] = \
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dsp->itxfm_add[tx][ADST_ADST] = ff_vp9_##nm##_add_##bpp##_neon
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#define init_idct(tx, nm, bpp) init_idct2(tx, nm, bpp)
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init_itxfm(TX_4X4, 4x4, BPP);
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init_itxfm(TX_8X8, 8x8, BPP);
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init_itxfm(TX_16X16, 16x16, BPP);
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init_idct(TX_32X32, idct_idct_32x32, BPP);
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init_idct(4, iwht_iwht_4x4, BPP);
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}
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}
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#define define_loop_filter(dir, wd, size, bpp) \
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void ff_vp9_loop_filter_##dir##_##wd##_##size##_##bpp##_neon(uint8_t *dst, ptrdiff_t stride, int E, int I, int H)
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#define define_loop_filters(wd, size, bpp) \
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define_loop_filter(h, wd, size, bpp); \
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define_loop_filter(v, wd, size, bpp)
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define_loop_filters(4, 8, BPP);
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define_loop_filters(8, 8, BPP);
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define_loop_filters(16, 8, BPP);
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define_loop_filters(16, 16, BPP);
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define_loop_filters(44, 16, BPP);
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define_loop_filters(48, 16, BPP);
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define_loop_filters(84, 16, BPP);
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define_loop_filters(88, 16, BPP);
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static av_cold void vp9dsp_loopfilter_init_aarch64(VP9DSPContext *dsp)
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{
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int cpu_flags = av_get_cpu_flags();
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if (have_neon(cpu_flags)) {
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#define init_lpf_func_8(idx1, idx2, dir, wd, bpp) \
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dsp->loop_filter_8[idx1][idx2] = ff_vp9_loop_filter_##dir##_##wd##_8_##bpp##_neon
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#define init_lpf_func_16(idx, dir, bpp) \
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dsp->loop_filter_16[idx] = ff_vp9_loop_filter_##dir##_16_16_##bpp##_neon
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#define init_lpf_func_mix2(idx1, idx2, idx3, dir, wd, bpp) \
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dsp->loop_filter_mix2[idx1][idx2][idx3] = ff_vp9_loop_filter_##dir##_##wd##_16_##bpp##_neon
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#define init_lpf_funcs_8_wd(idx, wd, bpp) \
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init_lpf_func_8(idx, 0, h, wd, bpp); \
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init_lpf_func_8(idx, 1, v, wd, bpp)
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#define init_lpf_funcs_16(bpp) \
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init_lpf_func_16(0, h, bpp); \
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init_lpf_func_16(1, v, bpp)
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#define init_lpf_funcs_mix2_wd(idx1, idx2, wd, bpp) \
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init_lpf_func_mix2(idx1, idx2, 0, h, wd, bpp); \
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init_lpf_func_mix2(idx1, idx2, 1, v, wd, bpp)
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#define init_lpf_funcs_8(bpp) \
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init_lpf_funcs_8_wd(0, 4, bpp); \
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init_lpf_funcs_8_wd(1, 8, bpp); \
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init_lpf_funcs_8_wd(2, 16, bpp)
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#define init_lpf_funcs_mix2(bpp) \
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init_lpf_funcs_mix2_wd(0, 0, 44, bpp); \
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init_lpf_funcs_mix2_wd(0, 1, 48, bpp); \
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init_lpf_funcs_mix2_wd(1, 0, 84, bpp); \
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init_lpf_funcs_mix2_wd(1, 1, 88, bpp)
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init_lpf_funcs_8(BPP);
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init_lpf_funcs_16(BPP);
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init_lpf_funcs_mix2(BPP);
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}
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}
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av_cold void INIT_FUNC(VP9DSPContext *dsp)
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{
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vp9dsp_mc_init_aarch64(dsp);
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vp9dsp_loopfilter_init_aarch64(dsp);
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vp9dsp_itxfm_init_aarch64(dsp);
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}
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