FFmpeg
 All Data Structures Namespaces Files Functions Variables Typedefs Enumerations Enumerator Macros Groups Pages
svq1enc_init.c
Go to the documentation of this file.
1 /*
2  * Copyright (c) 2007 Loren Merritt
3  *
4  * This file is part of FFmpeg.
5  *
6  * FFmpeg is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU Lesser General Public
8  * License as published by the Free Software Foundation; either
9  * version 2.1 of the License, or (at your option) any later version.
10  *
11  * FFmpeg is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14  * Lesser General Public License for more details.
15  *
16  * You should have received a copy of the GNU Lesser General Public
17  * License along with FFmpeg; if not, write to the Free Software
18  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19  */
20 
21 #include "config.h"
22 #include "libavutil/attributes.h"
23 #include "libavutil/cpu.h"
24 #include "libavutil/x86/cpu.h"
25 #include "libavcodec/svq1enc.h"
26 
27 int ff_ssd_int8_vs_int16_mmx(const int8_t *pix1, const int16_t *pix2,
28  intptr_t size);
29 int ff_ssd_int8_vs_int16_sse2(const int8_t *pix1, const int16_t *pix2,
30  intptr_t size);
31 
33 {
35 
36  if (EXTERNAL_MMX(cpu_flags)) {
38  }
39  if (EXTERNAL_SSE2(cpu_flags)) {
41  }
42 }
#define EXTERNAL_MMX(flags)
Definition: cpu.h:56
static atomic_int cpu_flags
Definition: cpu.c:50
int ff_ssd_int8_vs_int16_mmx(const int8_t *pix1, const int16_t *pix2, intptr_t size)
Macro definitions for various function/variable attributes.
av_cold void ff_svq1enc_init_x86(SVQ1EncContext *c)
Definition: svq1enc_init.c:32
#define av_cold
Definition: attributes.h:82
ptrdiff_t size
Definition: opengl_enc.c:101
#define EXTERNAL_SSE2(flags)
Definition: cpu.h:59
int ff_ssd_int8_vs_int16_sse2(const int8_t *pix1, const int16_t *pix2, intptr_t size)
int(* ssd_int8_vs_int16)(const int8_t *pix1, const int16_t *pix2, intptr_t size)
Definition: svq1enc.h:78
int av_get_cpu_flags(void)
Return the flags which specify extensions supported by the CPU.
Definition: cpu.c:93
static double c[64]