yading@10: /*
yading@10:  * ARM NEON optimised H.264 chroma functions
yading@10:  * Copyright (c) 2008 Mans Rullgard <mans@mansr.com>
yading@10:  *
yading@10:  * This file is part of FFmpeg.
yading@10:  *
yading@10:  * FFmpeg is free software; you can redistribute it and/or
yading@10:  * modify it under the terms of the GNU Lesser General Public
yading@10:  * License as published by the Free Software Foundation; either
yading@10:  * version 2.1 of the License, or (at your option) any later version.
yading@10:  *
yading@10:  * FFmpeg is distributed in the hope that it will be useful,
yading@10:  * but WITHOUT ANY WARRANTY; without even the implied warranty of
yading@10:  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
yading@10:  * Lesser General Public License for more details.
yading@10:  *
yading@10:  * You should have received a copy of the GNU Lesser General Public
yading@10:  * License along with FFmpeg; if not, write to the Free Software
yading@10:  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
yading@10:  */
yading@10: 
yading@10: #include <stdint.h>
yading@10: 
yading@10: #include "libavutil/attributes.h"
yading@10: #include "libavutil/cpu.h"
yading@10: #include "libavutil/arm/cpu.h"
yading@10: #include "libavcodec/h264chroma.h"
yading@10: 
yading@10: void ff_put_h264_chroma_mc8_neon(uint8_t *, uint8_t *, int, int, int, int);
yading@10: void ff_put_h264_chroma_mc4_neon(uint8_t *, uint8_t *, int, int, int, int);
yading@10: void ff_put_h264_chroma_mc2_neon(uint8_t *, uint8_t *, int, int, int, int);
yading@10: 
yading@10: void ff_avg_h264_chroma_mc8_neon(uint8_t *, uint8_t *, int, int, int, int);
yading@10: void ff_avg_h264_chroma_mc4_neon(uint8_t *, uint8_t *, int, int, int, int);
yading@10: void ff_avg_h264_chroma_mc2_neon(uint8_t *, uint8_t *, int, int, int, int);
yading@10: 
yading@10: av_cold void ff_h264chroma_init_arm(H264ChromaContext *c, int bit_depth)
yading@10: {
yading@10:     const int high_bit_depth = bit_depth > 8;
yading@10:     int cpu_flags = av_get_cpu_flags();
yading@10: 
yading@10:     if (have_neon(cpu_flags) && !high_bit_depth) {
yading@10:         c->put_h264_chroma_pixels_tab[0] = ff_put_h264_chroma_mc8_neon;
yading@10:         c->put_h264_chroma_pixels_tab[1] = ff_put_h264_chroma_mc4_neon;
yading@10:         c->put_h264_chroma_pixels_tab[2] = ff_put_h264_chroma_mc2_neon;
yading@10: 
yading@10:         c->avg_h264_chroma_pixels_tab[0] = ff_avg_h264_chroma_mc8_neon;
yading@10:         c->avg_h264_chroma_pixels_tab[1] = ff_avg_h264_chroma_mc4_neon;
yading@10:         c->avg_h264_chroma_pixels_tab[2] = ff_avg_h264_chroma_mc2_neon;
yading@10:     }
yading@10: }