Libav
vp3dsp_init.c
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1 /*
2  * This file is part of Libav.
3  *
4  * Libav is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU Lesser General Public
6  * License as published by the Free Software Foundation; either
7  * version 2.1 of the License, or (at your option) any later version.
8  *
9  * Libav is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12  * Lesser General Public License for more details.
13  *
14  * You should have received a copy of the GNU Lesser General Public
15  * License along with Libav; if not, write to the Free Software
16  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
17  */
18 
19 #include <stdint.h>
20 
21 #include "libavutil/attributes.h"
22 #include "libavutil/cpu.h"
23 #include "libavutil/x86/cpu.h"
24 #include "libavcodec/avcodec.h"
25 #include "libavcodec/vp3dsp.h"
26 #include "config.h"
27 
28 void ff_vp3_idct_put_mmx(uint8_t *dest, ptrdiff_t stride, int16_t *block);
29 void ff_vp3_idct_add_mmx(uint8_t *dest, ptrdiff_t stride, int16_t *block);
30 
31 void ff_vp3_idct_put_sse2(uint8_t *dest, ptrdiff_t stride, int16_t *block);
32 void ff_vp3_idct_add_sse2(uint8_t *dest, ptrdiff_t stride, int16_t *block);
33 
34 void ff_vp3_idct_dc_add_mmxext(uint8_t *dest, ptrdiff_t stride, int16_t *block);
35 
37  int *bounding_values);
39  int *bounding_values);
40 
42 {
43  int cpu_flags = av_get_cpu_flags();
44 
45 #if ARCH_X86_32
46  if (EXTERNAL_MMX(cpu_flags)) {
49  }
50 #endif
51 
52  if (EXTERNAL_MMXEXT(cpu_flags)) {
54 
55  if (!(flags & AV_CODEC_FLAG_BITEXACT)) {
58  }
59  }
60 
61  if (EXTERNAL_SSE2(cpu_flags)) {
64  }
65 }
#define EXTERNAL_MMX(flags)
Definition: cpu.h:55
void ff_vp3_idct_dc_add_mmxext(uint8_t *dest, ptrdiff_t stride, int16_t *block)
void(* v_loop_filter)(uint8_t *src, ptrdiff_t stride, int *bounding_values)
Definition: vp3dsp.h:44
int stride
Definition: mace.c:144
void ff_vp3_idct_put_mmx(uint8_t *dest, ptrdiff_t stride, int16_t *block)
void ff_vp3_v_loop_filter_mmxext(uint8_t *src, ptrdiff_t stride, int *bounding_values)
Macro definitions for various function/variable attributes.
static int16_t block[64]
Definition: dct.c:97
uint8_t
#define av_cold
Definition: attributes.h:66
static int flags
Definition: log.c:50
#define EXTERNAL_SSE2(flags)
Definition: cpu.h:58
#define src
Definition: vp8dsp.c:254
void(* idct_add)(uint8_t *dest, ptrdiff_t stride, int16_t *block)
Definition: vp3dsp.h:42
void ff_vp3_idct_add_mmx(uint8_t *dest, ptrdiff_t stride, int16_t *block)
void(* h_loop_filter)(uint8_t *src, ptrdiff_t stride, int *bounding_values)
Definition: vp3dsp.h:45
#define AV_CODEC_FLAG_BITEXACT
Use only bitexact stuff (except (I)DCT).
Definition: avcodec.h:788
void ff_vp3_idct_add_sse2(uint8_t *dest, ptrdiff_t stride, int16_t *block)
void(* idct_dc_add)(uint8_t *dest, ptrdiff_t stride, int16_t *block)
Definition: vp3dsp.h:43
Libavcodec external API header.
void ff_vp3_h_loop_filter_mmxext(uint8_t *src, ptrdiff_t stride, int *bounding_values)
int av_get_cpu_flags(void)
Return the flags which specify extensions supported by the CPU.
Definition: cpu.c:47
#define EXTERNAL_MMXEXT(flags)
Definition: cpu.h:56
av_cold void ff_vp3dsp_init_x86(VP3DSPContext *c, int flags)
Definition: vp3dsp_init.c:41
void ff_vp3_idct_put_sse2(uint8_t *dest, ptrdiff_t stride, int16_t *block)
void(* idct_put)(uint8_t *dest, ptrdiff_t stride, int16_t *block)
Definition: vp3dsp.h:41