vp56dsp_init.c
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1 /*
2  * VP6 MMX/SSE2 optimizations
3  * Copyright (C) 2009 Sebastien Lucas <sebastien.lucas@gmail.com>
4  * Copyright (C) 2009 Zuxy Meng <zuxy.meng@gmail.com>
5  *
6  * This file is part of FFmpeg.
7  *
8  * FFmpeg is free software; you can redistribute it and/or
9  * modify it under the terms of the GNU Lesser General Public
10  * License as published by the Free Software Foundation; either
11  * version 2.1 of the License, or (at your option) any later version.
12  *
13  * FFmpeg is distributed in the hope that it will be useful,
14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16  * Lesser General Public License for more details.
17  *
18  * You should have received a copy of the GNU Lesser General Public
19  * License along with FFmpeg; if not, write to the Free Software
20  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
21  */
22 
23 #include "libavutil/cpu.h"
24 #include "libavutil/x86/asm.h"
25 #include "libavutil/x86/cpu.h"
26 #include "libavcodec/vp56dsp.h"
27 
29  const int16_t *h_weights,const int16_t *v_weights);
31  const int16_t *h_weights,const int16_t *v_weights);
32 
34 {
35  int mm_flags = av_get_cpu_flags();
36 
37  if (CONFIG_VP6_DECODER && codec == AV_CODEC_ID_VP6) {
38 #if ARCH_X86_32
39  if (EXTERNAL_MMX(mm_flags)) {
41  }
42 #endif
43 
44  if (EXTERNAL_SSE2(mm_flags)) {
46  }
47  }
48 }
#define EXTERNAL_MMX(flags)
Definition: x86/cpu.h:33
void(* vp6_filter_diag4)(uint8_t *dst, uint8_t *src, int stride, const int16_t *h_weights, const int16_t *v_weights)
Definition: vp56dsp.h:31
int stride
Definition: mace.c:144
uint8_t
#define av_cold
Definition: attributes.h:78
#define EXTERNAL_SSE2(flags)
Definition: x86/cpu.h:36
AVCodecID
Identify the syntax and semantics of the bitstream.
void ff_vp6_filter_diag4_mmx(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)
Definition: vp56dsp_init.c:33
void ff_vp6_filter_diag4_sse2(uint8_t *dst, uint8_t *src, int stride, const int16_t *h_weights, const int16_t *v_weights)
AVS_Value src
Definition: avisynth_c.h:523
int av_get_cpu_flags(void)
Return the flags which specify extensions supported by the CPU.
Definition: cpu.c:30
static double c[64]
else dst[i][x+y *dst_stride[i]]
Definition: vf_mcdeint.c:160
#define CONFIG_VP6_DECODER
Definition: config.h:618