aboutsummaryrefslogtreecommitdiffstats
path: root/libavcodec/x86/vp56dsp_init.c
blob: 689ae352c66182308a80b7fb65b81393b95eee04 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
/*
 * VP6 MMX/SSE2 optimizations
 * Copyright (C) 2009  Sebastien Lucas <sebastien.lucas@gmail.com>
 * Copyright (C) 2009  Zuxy Meng <zuxy.meng@gmail.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 "libavutil/cpu.h"
#include "libavutil/x86/asm.h"
#include "libavutil/x86/cpu.h"
#include "libavcodec/vp56dsp.h"

void ff_vp6_filter_diag4_mmx(uint8_t *dst, uint8_t *src, int stride,
                             const int16_t *h_weights,const int16_t *v_weights);
void ff_vp6_filter_diag4_sse2(uint8_t *dst, uint8_t *src, int stride,
                              const int16_t *h_weights,const int16_t *v_weights);

av_cold void ff_vp56dsp_init_x86(VP56DSPContext* c, enum AVCodecID codec)
{
    int mm_flags = av_get_cpu_flags();

    if (CONFIG_VP6_DECODER && codec == AV_CODEC_ID_VP6) {
#if ARCH_X86_32
        if (EXTERNAL_MMX(mm_flags)) {
            c->vp6_filter_diag4 = ff_vp6_filter_diag4_mmx;
        }
#endif

        if (EXTERNAL_SSE2(mm_flags)) {
            c->vp6_filter_diag4 = ff_vp6_filter_diag4_sse2;
        }
    }
}