h264chroma_init_aarch64.c (2539B)
1 /* 2 * ARM NEON optimised H.264 chroma functions 3 * Copyright (c) 2008 Mans Rullgard <mans@mansr.com> 4 * 5 * This file is part of FFmpeg. 6 * 7 * FFmpeg is free software; you can redistribute it and/or 8 * modify it under the terms of the GNU Lesser General Public 9 * License as published by the Free Software Foundation; either 10 * version 2.1 of the License, or (at your option) any later version. 11 * 12 * FFmpeg is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 15 * Lesser General Public License for more details. 16 * 17 * You should have received a copy of the GNU Lesser General Public 18 * License along with FFmpeg; if not, write to the Free Software 19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 20 */ 21 22 #include <stdint.h> 23 24 #include "libavutil/attributes.h" 25 #include "libavutil/cpu.h" 26 #include "libavutil/aarch64/cpu.h" 27 #include "libavcodec/h264chroma.h" 28 29 #include "config.h" 30 31 void ff_put_h264_chroma_mc8_neon(uint8_t *dst, const uint8_t *src, ptrdiff_t stride, 32 int h, int x, int y); 33 void ff_put_h264_chroma_mc4_neon(uint8_t *dst, const uint8_t *src, ptrdiff_t stride, 34 int h, int x, int y); 35 void ff_put_h264_chroma_mc2_neon(uint8_t *dst, const uint8_t *src, ptrdiff_t stride, 36 int h, int x, int y); 37 38 void ff_avg_h264_chroma_mc8_neon(uint8_t *dst, const uint8_t *src, ptrdiff_t stride, 39 int h, int x, int y); 40 void ff_avg_h264_chroma_mc4_neon(uint8_t *dst, const uint8_t *src, ptrdiff_t stride, 41 int h, int x, int y); 42 void ff_avg_h264_chroma_mc2_neon(uint8_t *dst, const uint8_t *src, ptrdiff_t stride, 43 int h, int x, int y); 44 45 av_cold void ff_h264chroma_init_aarch64(H264ChromaContext *c, int bit_depth) 46 { 47 const int high_bit_depth = bit_depth > 8; 48 int cpu_flags = av_get_cpu_flags(); 49 50 if (have_neon(cpu_flags) && !high_bit_depth) { 51 c->put_h264_chroma_pixels_tab[0] = ff_put_h264_chroma_mc8_neon; 52 c->put_h264_chroma_pixels_tab[1] = ff_put_h264_chroma_mc4_neon; 53 c->put_h264_chroma_pixels_tab[2] = ff_put_h264_chroma_mc2_neon; 54 55 c->avg_h264_chroma_pixels_tab[0] = ff_avg_h264_chroma_mc8_neon; 56 c->avg_h264_chroma_pixels_tab[1] = ff_avg_h264_chroma_mc4_neon; 57 c->avg_h264_chroma_pixels_tab[2] = ff_avg_h264_chroma_mc2_neon; 58 } 59 }