| 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, uint8_t *src, int stride, |
| 32 | int h, int x, int y); |
| 33 | void ff_put_h264_chroma_mc4_neon(uint8_t *dst, uint8_t *src, int stride, |
| 34 | int h, int x, int y); |
| 35 | void ff_put_h264_chroma_mc2_neon(uint8_t *dst, uint8_t *src, int stride, |
| 36 | int h, int x, int y); |
| 37 | |
| 38 | void ff_avg_h264_chroma_mc8_neon(uint8_t *dst, uint8_t *src, int stride, |
| 39 | int h, int x, int y); |
| 40 | void ff_avg_h264_chroma_mc4_neon(uint8_t *dst, uint8_t *src, int stride, |
| 41 | int h, int x, int y); |
| 42 | void ff_avg_h264_chroma_mc2_neon(uint8_t *dst, uint8_t *src, int 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 | } |