mirror of https://github.com/FFmpeg/FFmpeg.git
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
52 lines
2.1 KiB
52 lines
2.1 KiB
12 years ago
|
/*
|
||
|
|
* ARM NEON optimised H.264 chroma functions
|
||
|
|
* Copyright (c) 2008 Mans Rullgard <mans@mansr.com>
|
||
|
|
*
|
||
|
|
* This file is part of Libav.
|
||
|
|
*
|
||
|
|
* Libav 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.
|
||
|
|
*
|
||
|
|
* Libav 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 Libav; 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/arm/cpu.h"
|
||
|
|
#include "libavcodec/h264chroma.h"
|
||
|
|
|
||
|
|
void ff_put_h264_chroma_mc8_neon(uint8_t *, uint8_t *, int, int, int, int);
|
||
|
|
void ff_put_h264_chroma_mc4_neon(uint8_t *, uint8_t *, int, int, int, int);
|
||
|
|
void ff_put_h264_chroma_mc2_neon(uint8_t *, uint8_t *, int, int, int, int);
|
||
|
|
|
||
|
|
void ff_avg_h264_chroma_mc8_neon(uint8_t *, uint8_t *, int, int, int, int);
|
||
|
|
void ff_avg_h264_chroma_mc4_neon(uint8_t *, uint8_t *, int, int, int, int);
|
||
|
|
void ff_avg_h264_chroma_mc2_neon(uint8_t *, uint8_t *, int, int, int, int);
|
||
|
|
|
||
|
|
av_cold void ff_h264chroma_init_arm(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;
|
||
|
|
}
|
||
|
|
}
|