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78 lines
3.5 KiB
78 lines
3.5 KiB
/* |
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* Copyright (c) 2023 Institue of Software Chinese Academy of Sciences (ISCAS). |
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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/riscv/cpu.h" |
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#include "libavcodec/vc1.h" |
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void ff_vc1_inv_trans_8x8_dc_rvv(uint8_t *dest, ptrdiff_t stride, int16_t *block); |
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void ff_vc1_inv_trans_8x8_rvv(int16_t block[64]); |
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void ff_vc1_inv_trans_4x8_dc_rvv(uint8_t *dest, ptrdiff_t stride, int16_t *block); |
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void ff_vc1_inv_trans_4x8_rvv(uint8_t *dest, ptrdiff_t stride, int16_t *block); |
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void ff_vc1_inv_trans_8x4_dc_rvv(uint8_t *dest, ptrdiff_t stride, int16_t *block); |
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void ff_vc1_inv_trans_8x4_rvv(uint8_t *dest, ptrdiff_t stride, int16_t *block); |
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void ff_vc1_inv_trans_4x4_dc_rvv(uint8_t *dest, ptrdiff_t stride, int16_t *block); |
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void ff_vc1_inv_trans_4x4_rvv(uint8_t *dest, ptrdiff_t stride, int16_t *block); |
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void ff_put_pixels16x16_rvi(uint8_t *dst, const uint8_t *src, ptrdiff_t line_size, int rnd); |
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void ff_put_pixels8x8_rvi(uint8_t *dst, const uint8_t *src, ptrdiff_t line_size, int rnd); |
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void ff_avg_pixels16x16_rvv(uint8_t *dst, const uint8_t *src, ptrdiff_t line_size, int rnd); |
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void ff_avg_pixels8x8_rvv(uint8_t *dst, const uint8_t *src, ptrdiff_t line_size, int rnd); |
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int ff_startcode_find_candidate_rvb(const uint8_t *, int); |
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int ff_startcode_find_candidate_rvv(const uint8_t *, int); |
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int ff_vc1_unescape_buffer_rvv(const uint8_t *, int, uint8_t *); |
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av_cold void ff_vc1dsp_init_riscv(VC1DSPContext *dsp) |
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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 __riscv_xlen >= 64 |
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if (flags & AV_CPU_FLAG_RVI) { |
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dsp->put_vc1_mspel_pixels_tab[1][0] = ff_put_pixels8x8_rvi; |
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dsp->put_vc1_mspel_pixels_tab[0][0] = ff_put_pixels16x16_rvi; |
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} |
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# endif |
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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 (ff_rv_vlen_least(128)) { |
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dsp->vc1_inv_trans_8x8 = ff_vc1_inv_trans_8x8_rvv; |
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dsp->vc1_inv_trans_8x4 = ff_vc1_inv_trans_8x4_rvv; |
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dsp->vc1_inv_trans_4x8 = ff_vc1_inv_trans_4x8_rvv; |
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dsp->vc1_inv_trans_4x4 = ff_vc1_inv_trans_4x4_rvv; |
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dsp->vc1_inv_trans_4x8_dc = ff_vc1_inv_trans_4x8_dc_rvv; |
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dsp->vc1_inv_trans_4x4_dc = ff_vc1_inv_trans_4x4_dc_rvv; |
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dsp->avg_vc1_mspel_pixels_tab[0][0] = ff_avg_pixels16x16_rvv; |
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dsp->avg_vc1_mspel_pixels_tab[1][0] = ff_avg_pixels8x8_rvv; |
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if (flags & AV_CPU_FLAG_RVV_I64) { |
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dsp->vc1_inv_trans_8x8_dc = ff_vc1_inv_trans_8x8_dc_rvv; |
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dsp->vc1_inv_trans_8x4_dc = ff_vc1_inv_trans_8x4_dc_rvv; |
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} |
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} |
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dsp->startcode_find_candidate = ff_startcode_find_candidate_rvv; |
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dsp->vc1_unescape_buffer = ff_vc1_unescape_buffer_rvv; |
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} |
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# endif |
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#endif |
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}
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