consistent include usage
[libav.git] / libavcodec / dsputil.h
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1#ifndef DSPUTIL_H
2#define DSPUTIL_H
3
4#include "common.h"
43f1708f 5#include "avcodec.h"
de6d9b64 6
44eb4951 7//#define DEBUG
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8/* dct code */
9typedef short DCTELEM;
10
11void jpeg_fdct_ifast (DCTELEM *data);
12
13void j_rev_dct (DCTELEM *data);
14
15void fdct_mmx(DCTELEM *block);
16
17void (*av_fdct)(DCTELEM *block);
18
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19/* encoding scans */
20extern UINT8 ff_alternate_horizontal_scan[64];
21extern UINT8 ff_alternate_vertical_scan[64];
22extern UINT8 zigzag_direct[64];
23
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24/* permutation table */
25extern UINT8 permutation[64];
26
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27/* pixel operations */
28#define MAX_NEG_CROP 384
29
30/* temporary */
31extern UINT32 squareTbl[512];
0cfa9713 32extern UINT8 cropTbl[256 + 2 * MAX_NEG_CROP];
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33
34void dsputil_init(void);
35
36/* pixel ops : interface with DCT */
37
4af7bcc1 38extern void (*ff_idct)(DCTELEM *block);
de6d9b64 39extern void (*get_pixels)(DCTELEM *block, const UINT8 *pixels, int line_size);
9dbcbd92 40extern void (*diff_pixels)(DCTELEM *block, const UINT8 *s1, const UINT8 *s2, int stride);
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41extern void (*put_pixels_clamped)(const DCTELEM *block, UINT8 *pixels, int line_size);
42extern void (*add_pixels_clamped)(const DCTELEM *block, UINT8 *pixels, int line_size);
44eb4951 43extern void (*gmc1)(UINT8 *dst, UINT8 *src, int srcStride, int h, int x16, int y16, int rounder);
649c00c9 44extern void (*clear_blocks)(DCTELEM *blocks);
44eb4951 45
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46
47void get_pixels_c(DCTELEM *block, const UINT8 *pixels, int line_size);
9dbcbd92 48void diff_pixels_c(DCTELEM *block, const UINT8 *s1, const UINT8 *s2, int stride);
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49void put_pixels_clamped_c(const DCTELEM *block, UINT8 *pixels, int line_size);
50void add_pixels_clamped_c(const DCTELEM *block, UINT8 *pixels, int line_size);
649c00c9 51void clear_blocks_c(DCTELEM *blocks);
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52
53/* add and put pixel (decoding) */
54typedef void (*op_pixels_func)(UINT8 *block, const UINT8 *pixels, int line_size, int h);
44eb4951 55typedef void (*qpel_mc_func)(UINT8 *dst, UINT8 *src, int dstStride, int srcStride, int mx, int my);
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56
57extern op_pixels_func put_pixels_tab[4];
58extern op_pixels_func avg_pixels_tab[4];
59extern op_pixels_func put_no_rnd_pixels_tab[4];
60extern op_pixels_func avg_no_rnd_pixels_tab[4];
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61extern qpel_mc_func qpel_mc_rnd_tab[16];
62extern qpel_mc_func qpel_mc_no_rnd_tab[16];
63
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64/* motion estimation */
65
ba6802de 66typedef int (*op_pixels_abs_func)(UINT8 *blk1, UINT8 *blk2, int line_size);
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67
68extern op_pixels_abs_func pix_abs16x16;
69extern op_pixels_abs_func pix_abs16x16_x2;
70extern op_pixels_abs_func pix_abs16x16_y2;
71extern op_pixels_abs_func pix_abs16x16_xy2;
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72extern op_pixels_abs_func pix_abs8x8;
73extern op_pixels_abs_func pix_abs8x8_x2;
74extern op_pixels_abs_func pix_abs8x8_y2;
75extern op_pixels_abs_func pix_abs8x8_xy2;
76
77int pix_abs16x16_c(UINT8 *blk1, UINT8 *blk2, int lx);
78int pix_abs16x16_x2_c(UINT8 *blk1, UINT8 *blk2, int lx);
79int pix_abs16x16_y2_c(UINT8 *blk1, UINT8 *blk2, int lx);
80int pix_abs16x16_xy2_c(UINT8 *blk1, UINT8 *blk2, int lx);
de6d9b64 81
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82static inline int block_permute_op(int j)
83{
5a240838 84 return permutation[j];
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85}
86
87void block_permute(INT16 *block);
88
3d03c0a2 89#if defined(HAVE_MMX)
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90
91#define MM_MMX 0x0001 /* standard MMX */
92#define MM_3DNOW 0x0004 /* AMD 3DNOW */
93#define MM_MMXEXT 0x0002 /* SSE integer functions or AMD MMX ext */
94#define MM_SSE 0x0008 /* SSE functions */
95#define MM_SSE2 0x0010 /* PIV SSE2 functions */
96
97extern int mm_flags;
98
99int mm_support(void);
100
101static inline void emms(void)
102{
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103 __asm __volatile ("emms;":::"memory");
104}
105
106#define emms_c() \
107{\
108 if (mm_flags & MM_MMX)\
109 emms();\
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110}
111
112#define __align8 __attribute__ ((aligned (8)))
113
114void dsputil_init_mmx(void);
57060b1e 115void dsputil_set_bit_exact_mmx(void);
de6d9b64 116
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117#elif defined(ARCH_ARMV4L)
118
119#define emms_c()
120
121/* This is to use 4 bytes read to the IDCT pointers for some 'zero'
122 line ptimizations */
123#define __align8 __attribute__ ((aligned (4)))
124
125void dsputil_init_armv4l(void);
126
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127#elif defined(HAVE_MLIB)
128
129#define emms_c()
130
131/* SPARC/VIS IDCT needs 8-byte aligned DCT blocks */
132#define __align8 __attribute__ ((aligned (8)))
133
134void dsputil_init_mlib(void);
135
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136#elif defined(ARCH_ALPHA)
137
138#define emms_c()
139#define __align8 __attribute__ ((aligned (8)))
140
141void dsputil_init_alpha(void);
142
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143#else
144
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145#define emms_c()
146
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147#define __align8
148
149#endif
150
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151/* PSNR */
152void get_psnr(UINT8 *orig_image[3], UINT8 *coded_image[3],
153 int orig_linesize[3], int coded_linesize,
154 AVCodecContext *avctx);
155
de6d9b64 156#endif