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https://github.com/FFmpeg/FFmpeg.git
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24b93022fe
While this function on its own passes all of fate-hevc, there's
indications that the function might need to handle widths that
aren't a multiple of 8 (noted in commit
f63f9be37c, which later was
reverted).
Signed-off-by: Martin Storsjö <martin@martin.st>
97 lines
4.8 KiB
C
97 lines
4.8 KiB
C
/*
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* Copyright (c) 2020 Reimar Döffinger
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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/cpu.h"
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#include "libavutil/aarch64/cpu.h"
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#include "libavcodec/hevcdsp.h"
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void ff_hevc_add_residual_4x4_8_neon(uint8_t *_dst, int16_t *coeffs,
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ptrdiff_t stride);
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void ff_hevc_add_residual_4x4_10_neon(uint8_t *_dst, int16_t *coeffs,
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ptrdiff_t stride);
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void ff_hevc_add_residual_8x8_8_neon(uint8_t *_dst, int16_t *coeffs,
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ptrdiff_t stride);
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void ff_hevc_add_residual_8x8_10_neon(uint8_t *_dst, int16_t *coeffs,
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ptrdiff_t stride);
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void ff_hevc_add_residual_16x16_8_neon(uint8_t *_dst, int16_t *coeffs,
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ptrdiff_t stride);
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void ff_hevc_add_residual_16x16_10_neon(uint8_t *_dst, int16_t *coeffs,
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ptrdiff_t stride);
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void ff_hevc_add_residual_32x32_8_neon(uint8_t *_dst, int16_t *coeffs,
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ptrdiff_t stride);
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void ff_hevc_add_residual_32x32_10_neon(uint8_t *_dst, int16_t *coeffs,
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ptrdiff_t stride);
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void ff_hevc_idct_8x8_8_neon(int16_t *coeffs, int col_limit);
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void ff_hevc_idct_8x8_10_neon(int16_t *coeffs, int col_limit);
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void ff_hevc_idct_16x16_8_neon(int16_t *coeffs, int col_limit);
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void ff_hevc_idct_16x16_10_neon(int16_t *coeffs, int col_limit);
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void ff_hevc_idct_4x4_dc_8_neon(int16_t *coeffs);
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void ff_hevc_idct_8x8_dc_8_neon(int16_t *coeffs);
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void ff_hevc_idct_16x16_dc_8_neon(int16_t *coeffs);
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void ff_hevc_idct_32x32_dc_8_neon(int16_t *coeffs);
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void ff_hevc_idct_4x4_dc_10_neon(int16_t *coeffs);
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void ff_hevc_idct_8x8_dc_10_neon(int16_t *coeffs);
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void ff_hevc_idct_16x16_dc_10_neon(int16_t *coeffs);
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void ff_hevc_idct_32x32_dc_10_neon(int16_t *coeffs);
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void ff_hevc_sao_band_filter_8x8_8_neon(uint8_t *_dst, uint8_t *_src,
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ptrdiff_t stride_dst, ptrdiff_t stride_src,
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int16_t *sao_offset_val, int sao_left_class,
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int width, int height);
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av_cold void ff_hevc_dsp_init_aarch64(HEVCDSPContext *c, const int bit_depth)
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{
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if (!have_neon(av_get_cpu_flags())) return;
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if (bit_depth == 8) {
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c->add_residual[0] = ff_hevc_add_residual_4x4_8_neon;
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c->add_residual[1] = ff_hevc_add_residual_8x8_8_neon;
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c->add_residual[2] = ff_hevc_add_residual_16x16_8_neon;
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c->add_residual[3] = ff_hevc_add_residual_32x32_8_neon;
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c->idct[1] = ff_hevc_idct_8x8_8_neon;
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c->idct[2] = ff_hevc_idct_16x16_8_neon;
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c->idct_dc[0] = ff_hevc_idct_4x4_dc_8_neon;
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c->idct_dc[1] = ff_hevc_idct_8x8_dc_8_neon;
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c->idct_dc[2] = ff_hevc_idct_16x16_dc_8_neon;
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c->idct_dc[3] = ff_hevc_idct_32x32_dc_8_neon;
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// This function is disabled, as it doesn't handle widths that aren't
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// an even multiple of 8 correctly. fate-hevc doesn't exercise that
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// for the current size, but if enabled for bigger sizes, the cases
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// of non-multiple of 8 seem to arise.
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// c->sao_band_filter[0] = ff_hevc_sao_band_filter_8x8_8_neon;
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}
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if (bit_depth == 10) {
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c->add_residual[0] = ff_hevc_add_residual_4x4_10_neon;
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c->add_residual[1] = ff_hevc_add_residual_8x8_10_neon;
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c->add_residual[2] = ff_hevc_add_residual_16x16_10_neon;
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c->add_residual[3] = ff_hevc_add_residual_32x32_10_neon;
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c->idct[1] = ff_hevc_idct_8x8_10_neon;
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c->idct[2] = ff_hevc_idct_16x16_10_neon;
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c->idct_dc[0] = ff_hevc_idct_4x4_dc_10_neon;
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c->idct_dc[1] = ff_hevc_idct_8x8_dc_10_neon;
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c->idct_dc[2] = ff_hevc_idct_16x16_dc_10_neon;
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c->idct_dc[3] = ff_hevc_idct_32x32_dc_10_neon;
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}
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}
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