/* * ARM NEON optimised H.264 chroma functions * Copyright (c) 2008 Mans Rullgard <mans@mansr.com> * * 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 <stdint.h> #include "libavutil/attributes.h" #include "libavutil/cpu.h" #include "libavutil/aarch64/cpu.h" #include "libavcodec/h264chroma.h" #include "config.h" void ff_put_h264_chroma_mc8_neon(uint8_t *dst, uint8_t *src, ptrdiff_t stride, int h, int x, int y); void ff_put_h264_chroma_mc4_neon(uint8_t *dst, uint8_t *src, ptrdiff_t stride, int h, int x, int y); void ff_put_h264_chroma_mc2_neon(uint8_t *dst, uint8_t *src, ptrdiff_t stride, int h, int x, int y); void ff_avg_h264_chroma_mc8_neon(uint8_t *dst, uint8_t *src, ptrdiff_t stride, int h, int x, int y); void ff_avg_h264_chroma_mc4_neon(uint8_t *dst, uint8_t *src, ptrdiff_t stride, int h, int x, int y); void ff_avg_h264_chroma_mc2_neon(uint8_t *dst, uint8_t *src, ptrdiff_t stride, int h, int x, int y); av_cold void ff_h264chroma_init_aarch64(H264ChromaContext *c, int bit_depth) { const int high_bit_depth = bit_depth > 8; int cpu_flags = av_get_cpu_flags(); if (have_neon(cpu_flags) && !high_bit_depth) { c->put_h264_chroma_pixels_tab[0] = ff_put_h264_chroma_mc8_neon; c->put_h264_chroma_pixels_tab[1] = ff_put_h264_chroma_mc4_neon; c->put_h264_chroma_pixels_tab[2] = ff_put_h264_chroma_mc2_neon; c->avg_h264_chroma_pixels_tab[0] = ff_avg_h264_chroma_mc8_neon; c->avg_h264_chroma_pixels_tab[1] = ff_avg_h264_chroma_mc4_neon; c->avg_h264_chroma_pixels_tab[2] = ff_avg_h264_chroma_mc2_neon; } }