win32 fixes
[libav.git] / libavcodec / dsputil.h
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1#ifndef DSPUTIL_H
2#define DSPUTIL_H
3
4#include "common.h"
5#include <inttypes.h>
6
7/* dct code */
8typedef short DCTELEM;
9
10void jpeg_fdct_ifast (DCTELEM *data);
11
12void j_rev_dct (DCTELEM *data);
13
14void fdct_mmx(DCTELEM *block);
15
16void (*av_fdct)(DCTELEM *block);
17
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18/* encoding scans */
19extern UINT8 ff_alternate_horizontal_scan[64];
20extern UINT8 ff_alternate_vertical_scan[64];
21extern UINT8 zigzag_direct[64];
22
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23/* pixel operations */
24#define MAX_NEG_CROP 384
25
26/* temporary */
27extern UINT32 squareTbl[512];
0cfa9713 28extern UINT8 cropTbl[256 + 2 * MAX_NEG_CROP];
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29
30void dsputil_init(void);
31
32/* pixel ops : interface with DCT */
33
4af7bcc1 34extern void (*ff_idct)(DCTELEM *block);
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35extern void (*get_pixels)(DCTELEM *block, const UINT8 *pixels, int line_size);
36extern void (*put_pixels_clamped)(const DCTELEM *block, UINT8 *pixels, int line_size);
37extern void (*add_pixels_clamped)(const DCTELEM *block, UINT8 *pixels, int line_size);
38
39void get_pixels_c(DCTELEM *block, const UINT8 *pixels, int line_size);
40void put_pixels_clamped_c(const DCTELEM *block, UINT8 *pixels, int line_size);
41void add_pixels_clamped_c(const DCTELEM *block, UINT8 *pixels, int line_size);
42
43/* add and put pixel (decoding) */
44typedef void (*op_pixels_func)(UINT8 *block, const UINT8 *pixels, int line_size, int h);
45
46extern op_pixels_func put_pixels_tab[4];
47extern op_pixels_func avg_pixels_tab[4];
48extern op_pixels_func put_no_rnd_pixels_tab[4];
49extern op_pixels_func avg_no_rnd_pixels_tab[4];
50
51/* sub pixel (encoding) */
52extern void (*sub_pixels_tab[4])(DCTELEM *block, const UINT8 *pixels, int line_size, int h);
53
54#define sub_pixels_2(block, pixels, line_size, dxy) \
55 sub_pixels_tab[dxy](block, pixels, line_size, 8)
56
57/* motion estimation */
58
59typedef int (*op_pixels_abs_func)(UINT8 *blk1, UINT8 *blk2, int line_size, int h);
60
61extern op_pixels_abs_func pix_abs16x16;
62extern op_pixels_abs_func pix_abs16x16_x2;
63extern op_pixels_abs_func pix_abs16x16_y2;
64extern op_pixels_abs_func pix_abs16x16_xy2;
65
66int pix_abs16x16_c(UINT8 *blk1, UINT8 *blk2, int lx, int h);
67int pix_abs16x16_x2_c(UINT8 *blk1, UINT8 *blk2, int lx, int h);
68int pix_abs16x16_y2_c(UINT8 *blk1, UINT8 *blk2, int lx, int h);
69int pix_abs16x16_xy2_c(UINT8 *blk1, UINT8 *blk2, int lx, int h);
70
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71static inline int block_permute_op(int j)
72{
73 return (j & 0x38) | ((j & 6) >> 1) | ((j & 1) << 2);
74}
75
76void block_permute(INT16 *block);
77
980fc7b8 78#ifdef HAVE_MMX
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79
80#define MM_MMX 0x0001 /* standard MMX */
81#define MM_3DNOW 0x0004 /* AMD 3DNOW */
82#define MM_MMXEXT 0x0002 /* SSE integer functions or AMD MMX ext */
83#define MM_SSE 0x0008 /* SSE functions */
84#define MM_SSE2 0x0010 /* PIV SSE2 functions */
85
86extern int mm_flags;
87
88int mm_support(void);
89
90static inline void emms(void)
91{
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92 __asm __volatile ("emms;":::"memory");
93}
94
95#define emms_c() \
96{\
97 if (mm_flags & MM_MMX)\
98 emms();\
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99}
100
101#define __align8 __attribute__ ((aligned (8)))
102
103void dsputil_init_mmx(void);
104
105#else
106
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107#define emms_c()
108
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109#define __align8
110
111#endif
112
113#endif