/* * Copyright (c) 2023 SiFive, Inc. All rights reserved. * * 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 #include "libavutil/attributes.h" #include "libavutil/riscv/cpu.h" #include "libavcodec/h264chroma.h" #include "config.h" void h264_put_chroma_mc8_rvv(uint8_t *p_dst, const uint8_t *p_src, ptrdiff_t stride, int h, int x, int y); void h264_avg_chroma_mc8_rvv(uint8_t *p_dst, const uint8_t *p_src, ptrdiff_t stride, int h, int x, int y); void h264_put_chroma_mc4_rvv(uint8_t *p_dst, const uint8_t *p_src, ptrdiff_t stride, int h, int x, int y); void h264_avg_chroma_mc4_rvv(uint8_t *p_dst, const uint8_t *p_src, ptrdiff_t stride, int h, int x, int y); void h264_put_chroma_mc2_rvv(uint8_t *p_dst, const uint8_t *p_src, ptrdiff_t stride, int h, int x, int y); void h264_avg_chroma_mc2_rvv(uint8_t *p_dst, const uint8_t *p_src, ptrdiff_t stride, int h, int x, int y); av_cold void ff_h264chroma_init_riscv(H264ChromaContext *c, int bit_depth) { #if HAVE_RVV int flags = av_get_cpu_flags(); if (bit_depth == 8 && (flags & AV_CPU_FLAG_RVV_I32) && (flags & AV_CPU_FLAG_RVB_ADDR) && ff_get_rv_vlenb() >= 16) { c->put_h264_chroma_pixels_tab[0] = h264_put_chroma_mc8_rvv; c->avg_h264_chroma_pixels_tab[0] = h264_avg_chroma_mc8_rvv; c->put_h264_chroma_pixels_tab[1] = h264_put_chroma_mc4_rvv; c->avg_h264_chroma_pixels_tab[1] = h264_avg_chroma_mc4_rvv; c->put_h264_chroma_pixels_tab[2] = h264_put_chroma_mc2_rvv; c->avg_h264_chroma_pixels_tab[2] = h264_avg_chroma_mc2_rvv; } #endif }