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takdsp_init.c
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1 /*
2  * Copyright (c) 2015 Paul B Mahol
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 "libavcodec/takdsp.h"
22 #include "libavutil/x86/cpu.h"
23 #include "config.h"
24 
28 void ff_tak_decorrelate_sf_sse4(int32_t *p1, int32_t *p2, int length, int dshift, int dfactor);
29 
31 {
32 #if HAVE_X86ASM
34 
35  if (EXTERNAL_SSE2(cpu_flags)) {
39  }
40 
41  if (EXTERNAL_SSE4(cpu_flags)) {
43  }
44 #endif
45 }
av_cold void ff_takdsp_init_x86(TAKDSPContext *c)
Definition: takdsp_init.c:30
static atomic_int cpu_flags
Definition: cpu.c:50
void(* decorrelate_ls)(int32_t *p1, int32_t *p2, int length)
Definition: takdsp.h:25
void ff_tak_decorrelate_ls_sse2(int32_t *p1, int32_t *p2, int length)
#define EXTERNAL_SSE4(flags)
Definition: cpu.h:68
#define av_cold
Definition: attributes.h:82
void ff_tak_decorrelate_sf_sse4(int32_t *p1, int32_t *p2, int length, int dshift, int dfactor)
#define EXTERNAL_SSE2(flags)
Definition: cpu.h:59
GLsizei GLsizei * length
Definition: opengl_enc.c:115
void(* decorrelate_sr)(int32_t *p1, int32_t *p2, int length)
Definition: takdsp.h:26
void(* decorrelate_sm)(int32_t *p1, int32_t *p2, int length)
Definition: takdsp.h:27
int32_t
void(* decorrelate_sf)(int32_t *p1, int32_t *p2, int length, int dshift, int dfactor)
Definition: takdsp.h:28
void ff_tak_decorrelate_sr_sse2(int32_t *p1, int32_t *p2, int length)
int av_get_cpu_flags(void)
Return the flags which specify extensions supported by the CPU.
Definition: cpu.c:92
void ff_tak_decorrelate_sm_sse2(int32_t *p1, int32_t *p2, int length)
static double c[64]