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/asm.h"
24 #include "libavutil/x86/cpu.h"
25 #include "libavcodec/dsputil.h"
26 #include "libavcodec/rv34dsp.h"
27 
30 void ff_rv34_idct_dc_add_mmx(uint8_t *dst, ptrdiff_t stride, int dc);
31 void ff_rv34_idct_dc_add_sse4(uint8_t *dst, ptrdiff_t stride, int dc);
32 void ff_rv34_idct_add_mmxext(uint8_t *dst, ptrdiff_t stride, DCTELEM *block);
33 
35 {
36  int mm_flags = av_get_cpu_flags();
37 
38  if (EXTERNAL_MMX(mm_flags))
40  if (EXTERNAL_MMXEXT(mm_flags)) {
43  }
44  if (EXTERNAL_SSE4(mm_flags))
46 }
#define EXTERNAL_MMX(flags)
Definition: cpu.h:33
av_cold void ff_rv34dsp_init_x86(RV34DSPContext *c, DSPContext *dsp)
Definition: rv34dsp_init.c:34
int stride
Definition: mace.c:144
#define EXTERNAL_SSE4(flags)
Definition: cpu.h:39
void ff_rv34_idct_add_mmxext(uint8_t *dst, ptrdiff_t stride, DCTELEM *block)
uint8_t
rv34_idct_add_func rv34_idct_add
Definition: rv34dsp.h:69
RV30/40 decoder motion compensation functions.
rv34_idct_dc_add_func rv34_idct_dc_add
Definition: rv34dsp.h:70
void ff_rv34_idct_dc_mmxext(DCTELEM *block)
rv34_inv_transform_func rv34_inv_transform_dc
Definition: rv34dsp.h:68
static DCTELEM block[64]
Definition: dct-test.c:169
int av_get_cpu_flags(void)
Return the flags which specify extensions supported by the CPU.
Definition: cpu.c:25
short DCTELEM
Definition: dsputil.h:39
#define EXTERNAL_MMXEXT(flags)
Definition: cpu.h:34
void ff_rv34_idct_dc_add_mmx(uint8_t *dst, ptrdiff_t stride, int dc)
DSP utils.
void ff_rv34_idct_dc_noround_mmxext(DCTELEM *block)
void ff_rv34_idct_dc_add_sse4(uint8_t *dst, ptrdiff_t stride, int dc)
DSPContext.
Definition: dsputil.h:194