Subversion Repositories Kolibri OS

Rev

Details | Last modification | View Log | RSS feed

Rev Author Line No. Line
6148 serge 1
/*
2
 * ARM NEON optimised H.264 chroma functions
3
 * Copyright (c) 2008 Mans Rullgard 
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 
23
 
24
#include "libavutil/attributes.h"
25
#include "libavutil/cpu.h"
26
#include "libavutil/arm/cpu.h"
27
#include "libavcodec/h264chroma.h"
28
 
29
void ff_put_h264_chroma_mc8_neon(uint8_t *, uint8_t *, int, int, int, int);
30
void ff_put_h264_chroma_mc4_neon(uint8_t *, uint8_t *, int, int, int, int);
31
void ff_put_h264_chroma_mc2_neon(uint8_t *, uint8_t *, int, int, int, int);
32
 
33
void ff_avg_h264_chroma_mc8_neon(uint8_t *, uint8_t *, int, int, int, int);
34
void ff_avg_h264_chroma_mc4_neon(uint8_t *, uint8_t *, int, int, int, int);
35
void ff_avg_h264_chroma_mc2_neon(uint8_t *, uint8_t *, int, int, int, int);
36
 
37
av_cold void ff_h264chroma_init_arm(H264ChromaContext *c, int bit_depth)
38
{
39
    const int high_bit_depth = bit_depth > 8;
40
    int cpu_flags = av_get_cpu_flags();
41
 
42
    if (have_neon(cpu_flags) && !high_bit_depth) {
43
        c->put_h264_chroma_pixels_tab[0] = ff_put_h264_chroma_mc8_neon;
44
        c->put_h264_chroma_pixels_tab[1] = ff_put_h264_chroma_mc4_neon;
45
        c->put_h264_chroma_pixels_tab[2] = ff_put_h264_chroma_mc2_neon;
46
 
47
        c->avg_h264_chroma_pixels_tab[0] = ff_avg_h264_chroma_mc8_neon;
48
        c->avg_h264_chroma_pixels_tab[1] = ff_avg_h264_chroma_mc4_neon;
49
        c->avg_h264_chroma_pixels_tab[2] = ff_avg_h264_chroma_mc2_neon;
50
    }
51
}