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rv34dsp_init.c
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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/rv34dsp.h"
26 
27 void ff_rv34_idct_dc_mmxext(int16_t *block);
29 void ff_rv34_idct_dc_add_mmx(uint8_t *dst, ptrdiff_t stride, int dc);
30 void ff_rv34_idct_dc_add_sse4(uint8_t *dst, ptrdiff_t stride, int dc);
31 void ff_rv34_idct_add_mmxext(uint8_t *dst, ptrdiff_t stride, int16_t *block);
32 
34 {
35  int mm_flags = av_get_cpu_flags();
36 
37  if (EXTERNAL_MMX(mm_flags))
39  if (EXTERNAL_MMXEXT(mm_flags)) {
42  }
43  if (EXTERNAL_SSE4(mm_flags))
45 }