/* * Copyright (c) 2024 Institue of Software Chinese Academy of Sciences (ISCAS). * * This file is part of FFmpeg. * * FFmpeg is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * FFmpeg is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with FFmpeg; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ #include "config.h" #include "libavutil/attributes.h" #include "libavutil/cpu.h" #include "libavutil/riscv/cpu.h" #include "libavcodec/blockdsp.h" void ff_clear_block_rvv(int16_t *block); void ff_clear_blocks_rvv(int16_t *block); void ff_fill_block16_rvv(uint8_t *block, uint8_t value, ptrdiff_t line_size, int h); void ff_fill_block8_rvv(uint8_t *block, uint8_t value, ptrdiff_t line_size, int h); av_cold void ff_blockdsp_init_riscv(BlockDSPContext *c) { #if HAVE_RVV int flags = av_get_cpu_flags(); if (flags & AV_CPU_FLAG_RVV_I64 && ff_rv_vlen_least(128)) { c->clear_block = ff_clear_block_rvv; c->clear_blocks = ff_clear_blocks_rvv; c->fill_block_tab[0] = ff_fill_block16_rvv; c->fill_block_tab[1] = ff_fill_block8_rvv; } #endif }