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87 lines
3.5 KiB
87 lines
3.5 KiB
/* |
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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 h264_weight_func 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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void ff_h264_idct_add_8_rvv(uint8_t *dst, int16_t *block, int stride); |
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void ff_h264_idct8_add_8_rvv(uint8_t *dst, int16_t *block, int stride); |
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void ff_h264_idct_add16_8_rvv(uint8_t *dst, const int *blockoffset, |
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int16_t *block, int stride, |
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const uint8_t nnzc[5 * 8]); |
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void ff_h264_idct_add16intra_8_rvv(uint8_t *dst, const int *blockoffset, |
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int16_t *block, int stride, |
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const uint8_t nnzc[5 * 8]); |
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void ff_h264_idct8_add4_8_rvv(uint8_t *dst, const int *blockoffset, |
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int16_t *block, int stride, |
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const uint8_t nnzc[5 * 8]); |
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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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if (bit_depth == 8 && ff_rv_vlen_least(128)) { |
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memcpy(dsp->weight_h264_pixels_tab, |
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ff_h264_weight_funcs_8_rvv, |
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sizeof (dsp->weight_h264_pixels_tab)); |
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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 __riscv_xlen == 64 |
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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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dsp->h264_idct8_add4 = ff_h264_idct8_add4_8_rvv; |
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# endif |
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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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