rv34dsp_init.c
Go to the documentation of this file.
1 /*
2  * RV30/40 MMX/SSE2 optimizations
3  * Copyright (C) 2012 Christophe Gisquet <christophe.gisquet@gmail.com>
4  *
5  * This file is part of Libav.
6  *
7  * Libav 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  * Libav 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 Libav; if not, write to the Free Software
19  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20  */
21 
22 #include "libavutil/cpu.h"
23 #include "libavutil/x86_cpu.h"
24 #include "libavcodec/dsputil.h"
25 #include "libavcodec/rv34dsp.h"
26 
29 void ff_rv34_idct_dc_add_mmx(uint8_t *dst, int stride, int dc);
30 void ff_rv34_idct_dc_add_sse4(uint8_t *dst, int stride, int dc);
31 
33 {
34 #if HAVE_YASM
35  int mm_flags = av_get_cpu_flags();
36 
37  if (mm_flags & AV_CPU_FLAG_MMX)
39  if (mm_flags & AV_CPU_FLAG_MMX2) {
41  }
42  if (mm_flags & AV_CPU_FLAG_SSE4)
44 #endif
45 }
void ff_rv34_idct_dc_add_sse4(uint8_t *dst, int stride, int dc)
av_cold void ff_rv34dsp_init_x86(RV34DSPContext *c, DSPContext *dsp)
Definition: rv34dsp_init.c:32
void ff_rv34_idct_dc_noround_mmx2(DCTELEM *block)
#define AV_CPU_FLAG_MMX2
SSE integer functions or AMD MMX ext.
Definition: cpu.h:28
int stride
Definition: mace.c:143
#define av_cold
Definition: attributes.h:71
static DSPContext dsp
Definition: atrac3.c:135
RV30/40 decoder motion compensation functions.
rv34_idct_dc_add_func rv34_idct_dc_add
Definition: rv34dsp.h:65
rv34_inv_transform_func rv34_inv_transform_dc
Definition: rv34dsp.h:63
void ff_rv34_idct_dc_add_mmx(uint8_t *dst, int stride, int dc)
static DCTELEM block[64]
Definition: dct-test.c:189
#define AV_CPU_FLAG_MMX
standard MMX
Definition: cpu.h:27
#define AV_CPU_FLAG_SSE4
Penryn SSE4.1 functions.
Definition: cpu.h:38
int av_get_cpu_flags(void)
Return the flags which specify extensions supported by the CPU.
Definition: cpu.c:22
short DCTELEM
Definition: dsputil.h:39
DSP utils.
void ff_rv34_idct_dc_mmx2(DCTELEM *block)
DSPContext.
Definition: dsputil.h:226