mirror of https://git.ffmpeg.org/ffmpeg.git
168 lines
7.0 KiB
C
168 lines
7.0 KiB
C
/*
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* Copyright (c) 2024 J. Dekker <jdek@itanimul.li>
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* Copyright © 2024 Rémi Denis-Courmont.
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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 "config.h"
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#include <stdint.h>
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#include <string.h>
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#include "libavutil/attributes.h"
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#include "libavutil/cpu.h"
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#include "libavutil/riscv/cpu.h"
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#include "libavcodec/h264dsp.h"
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extern const struct {
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const h264_weight_func weight;
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const h264_biweight_func biweight;
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} ff_h264_weight_funcs_8_rvv[];
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void ff_h264_v_loop_filter_luma_8_rvv(uint8_t *pix, ptrdiff_t stride,
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int alpha, int beta, int8_t *tc0);
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void ff_h264_h_loop_filter_luma_8_rvv(uint8_t *pix, ptrdiff_t stride,
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int alpha, int beta, int8_t *tc0);
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void ff_h264_h_loop_filter_luma_mbaff_8_rvv(uint8_t *pix, ptrdiff_t stride,
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int alpha, int beta, int8_t *tc0);
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#define IDCT_DEPTH(depth) \
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void ff_h264_idct_add_##depth##_rvv(uint8_t *d, int16_t *s, int stride); \
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void ff_h264_idct8_add_##depth##_rvv(uint8_t *d, int16_t *s, int stride); \
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void ff_h264_idct4_dc_add_##depth##_rvv(uint8_t *, int16_t *, int); \
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void ff_h264_idct8_dc_add_##depth##_rvv(uint8_t *, int16_t *, int); \
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void ff_h264_idct_add16_##depth##_rvv(uint8_t *d, const int *soffset, \
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int16_t *s, int stride, \
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const uint8_t nnzc[5 * 8]); \
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void ff_h264_idct_add16intra_##depth##_rvv(uint8_t *d, const int *soffset, \
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int16_t *s, int stride, \
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const uint8_t nnzc[5 * 8]); \
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void ff_h264_idct8_add4_##depth##_rvv(uint8_t *d, const int *soffset, \
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int16_t *s, int stride, \
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const uint8_t nnzc[5 * 8]); \
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void ff_h264_idct4_add8_##depth##_rvv(uint8_t **d, const int *soffset, \
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int16_t *s, int stride, \
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const uint8_t nnzc[5 * 8]); \
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void ff_h264_idct4_add8_422_##depth##_rvv(uint8_t **d, const int *soffset, \
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int16_t *s, int stride, \
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const uint8_t nnzc[5 * 8]);
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IDCT_DEPTH(8)
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IDCT_DEPTH(9)
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IDCT_DEPTH(10)
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IDCT_DEPTH(12)
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IDCT_DEPTH(14)
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#undef IDCT_DEPTH
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void ff_h264_add_pixels8_8_rvv(uint8_t *dst, int16_t *block, int stride);
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void ff_h264_add_pixels4_8_rvv(uint8_t *dst, int16_t *block, int stride);
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void ff_h264_add_pixels8_16_rvv(uint8_t *dst, int16_t *block, int stride);
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void ff_h264_add_pixels4_16_rvv(uint8_t *dst, int16_t *block, int stride);
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extern int ff_startcode_find_candidate_rvb(const uint8_t *, int);
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extern int ff_startcode_find_candidate_rvv(const uint8_t *, int);
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av_cold void ff_h264dsp_init_riscv(H264DSPContext *dsp, const int bit_depth,
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const int chroma_format_idc)
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{
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#if HAVE_RV
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int flags = av_get_cpu_flags();
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if (flags & AV_CPU_FLAG_RVB_BASIC)
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dsp->startcode_find_candidate = ff_startcode_find_candidate_rvb;
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# if HAVE_RVV
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if (flags & AV_CPU_FLAG_RVV_I32) {
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const bool zvl128b = ff_rv_vlen_least(128);
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if (bit_depth == 8 && zvl128b) {
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for (int i = 0; i < 4; i++) {
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dsp->weight_h264_pixels_tab[i] =
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ff_h264_weight_funcs_8_rvv[i].weight;
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dsp->biweight_h264_pixels_tab[i] =
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ff_h264_weight_funcs_8_rvv[i].biweight;
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}
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dsp->h264_v_loop_filter_luma = ff_h264_v_loop_filter_luma_8_rvv;
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dsp->h264_h_loop_filter_luma = ff_h264_h_loop_filter_luma_8_rvv;
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dsp->h264_h_loop_filter_luma_mbaff =
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ff_h264_h_loop_filter_luma_mbaff_8_rvv;
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dsp->h264_idct_add = ff_h264_idct_add_8_rvv;
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dsp->h264_idct8_add = ff_h264_idct8_add_8_rvv;
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if (flags & AV_CPU_FLAG_RVB) {
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dsp->h264_idct_dc_add = ff_h264_idct4_dc_add_8_rvv;
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dsp->h264_idct_add16 = ff_h264_idct_add16_8_rvv;
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dsp->h264_idct_add16intra = ff_h264_idct_add16intra_8_rvv;
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# if __riscv_xlen == 64
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dsp->h264_idct8_add4 = ff_h264_idct8_add4_8_rvv;
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if (chroma_format_idc <= 1)
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dsp->h264_idct_add8 = ff_h264_idct4_add8_8_rvv;
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else
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dsp->h264_idct_add8 = ff_h264_idct4_add8_422_8_rvv;
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# endif
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}
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if (flags & AV_CPU_FLAG_RVV_I64) {
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dsp->h264_add_pixels8_clear = ff_h264_add_pixels8_8_rvv;
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if (flags & AV_CPU_FLAG_RVB)
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dsp->h264_idct8_dc_add = ff_h264_idct8_dc_add_8_rvv;
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}
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dsp->h264_add_pixels4_clear = ff_h264_add_pixels4_8_rvv;
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}
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#define IDCT_DEPTH(depth) \
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if (bit_depth == depth) { \
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if (zvl128b) \
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dsp->h264_idct_add = ff_h264_idct_add_##depth##_rvv; \
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if (flags & AV_CPU_FLAG_RVB) \
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dsp->h264_idct8_add = ff_h264_idct8_add_##depth##_rvv; \
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if (zvl128b && (flags & AV_CPU_FLAG_RVB)) { \
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dsp->h264_idct_dc_add = ff_h264_idct4_dc_add_##depth##_rvv; \
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dsp->h264_idct8_dc_add = ff_h264_idct8_dc_add_##depth##_rvv; \
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dsp->h264_idct_add16 = ff_h264_idct_add16_##depth##_rvv; \
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dsp->h264_idct_add16intra = \
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ff_h264_idct_add16intra_##depth##_rvv; \
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if (__riscv_xlen == 64) { \
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if (chroma_format_idc <= 1) \
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dsp->h264_idct_add8 = \
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ff_h264_idct4_add8_##depth##_rvv; \
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else \
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dsp->h264_idct_add8 = \
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ff_h264_idct4_add8_422_##depth##_rvv; \
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} \
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} \
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if (__riscv_xlen == 64 && (flags & AV_CPU_FLAG_RVB)) \
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dsp->h264_idct8_add4 = ff_h264_idct8_add4_##depth##_rvv; \
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}
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IDCT_DEPTH(9)
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IDCT_DEPTH(10)
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IDCT_DEPTH(12)
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IDCT_DEPTH(14)
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if (bit_depth > 8 && zvl128b) {
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dsp->h264_add_pixels8_clear = ff_h264_add_pixels8_16_rvv;
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if (flags & AV_CPU_FLAG_RVV_I64)
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dsp->h264_add_pixels4_clear = ff_h264_add_pixels4_16_rvv;
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}
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dsp->startcode_find_candidate = ff_startcode_find_candidate_rvv;
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}
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# endif
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#endif
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}
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