removed unused stuff - added dsputil_set_bit_exact() support for easier testing
[libav.git] / libavcodec / dsputil.h
1 #ifndef DSPUTIL_H
2 #define DSPUTIL_H
3
4 #include "common.h"
5 #include "avcodec.h"
6
7 //#define DEBUG
8 /* dct code */
9 typedef short DCTELEM;
10
11 void jpeg_fdct_ifast (DCTELEM *data);
12
13 void j_rev_dct (DCTELEM *data);
14
15 void fdct_mmx(DCTELEM *block);
16
17 void (*av_fdct)(DCTELEM *block);
18
19 /* encoding scans */
20 extern UINT8 ff_alternate_horizontal_scan[64];
21 extern UINT8 ff_alternate_vertical_scan[64];
22 extern UINT8 zigzag_direct[64];
23
24 /* permutation table */
25 extern UINT8 permutation[64];
26
27 /* pixel operations */
28 #define MAX_NEG_CROP 384
29
30 /* temporary */
31 extern UINT32 squareTbl[512];
32 extern UINT8 cropTbl[256 + 2 * MAX_NEG_CROP];
33
34 void dsputil_init(void);
35
36 /* pixel ops : interface with DCT */
37
38 extern void (*ff_idct)(DCTELEM *block);
39 extern void (*get_pixels)(DCTELEM *block, const UINT8 *pixels, int line_size);
40 extern void (*diff_pixels)(DCTELEM *block, const UINT8 *s1, const UINT8 *s2, int stride);
41 extern void (*put_pixels_clamped)(const DCTELEM *block, UINT8 *pixels, int line_size);
42 extern void (*add_pixels_clamped)(const DCTELEM *block, UINT8 *pixels, int line_size);
43 extern void (*gmc1)(UINT8 *dst, UINT8 *src, int srcStride, int h, int x16, int y16, int rounder);
44 extern void (*clear_blocks)(DCTELEM *blocks);
45
46
47 void get_pixels_c(DCTELEM *block, const UINT8 *pixels, int line_size);
48 void diff_pixels_c(DCTELEM *block, const UINT8 *s1, const UINT8 *s2, int stride);
49 void put_pixels_clamped_c(const DCTELEM *block, UINT8 *pixels, int line_size);
50 void add_pixels_clamped_c(const DCTELEM *block, UINT8 *pixels, int line_size);
51 void clear_blocks_c(DCTELEM *blocks);
52
53 /* add and put pixel (decoding) */
54 typedef void (*op_pixels_func)(UINT8 *block, const UINT8 *pixels, int line_size, int h);
55 typedef void (*qpel_mc_func)(UINT8 *dst, UINT8 *src, int dstStride, int srcStride, int mx, int my);
56
57 extern op_pixels_func put_pixels_tab[4];
58 extern op_pixels_func avg_pixels_tab[4];
59 extern op_pixels_func put_no_rnd_pixels_tab[4];
60 extern op_pixels_func avg_no_rnd_pixels_tab[4];
61 extern qpel_mc_func qpel_mc_rnd_tab[16];
62 extern qpel_mc_func qpel_mc_no_rnd_tab[16];
63
64 /* motion estimation */
65
66 typedef int (*op_pixels_abs_func)(UINT8 *blk1, UINT8 *blk2, int line_size);
67
68 extern op_pixels_abs_func pix_abs16x16;
69 extern op_pixels_abs_func pix_abs16x16_x2;
70 extern op_pixels_abs_func pix_abs16x16_y2;
71 extern op_pixels_abs_func pix_abs16x16_xy2;
72 extern op_pixels_abs_func pix_abs8x8;
73 extern op_pixels_abs_func pix_abs8x8_x2;
74 extern op_pixels_abs_func pix_abs8x8_y2;
75 extern op_pixels_abs_func pix_abs8x8_xy2;
76
77 int pix_abs16x16_c(UINT8 *blk1, UINT8 *blk2, int lx);
78 int pix_abs16x16_x2_c(UINT8 *blk1, UINT8 *blk2, int lx);
79 int pix_abs16x16_y2_c(UINT8 *blk1, UINT8 *blk2, int lx);
80 int pix_abs16x16_xy2_c(UINT8 *blk1, UINT8 *blk2, int lx);
81
82 static inline int block_permute_op(int j)
83 {
84 return permutation[j];
85 }
86
87 void block_permute(INT16 *block);
88
89 #if defined(HAVE_MMX)
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
97 extern int mm_flags;
98
99 int mm_support(void);
100
101 static inline void emms(void)
102 {
103 __asm __volatile ("emms;":::"memory");
104 }
105
106 #define emms_c() \
107 {\
108 if (mm_flags & MM_MMX)\
109 emms();\
110 }
111
112 #define __align8 __attribute__ ((aligned (8)))
113
114 void dsputil_init_mmx(void);
115 void dsputil_set_bit_exact_mmx(void);
116
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
125 void dsputil_init_armv4l(void);
126
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
134 void dsputil_init_mlib(void);
135
136 #elif defined(ARCH_ALPHA)
137
138 #define emms_c()
139 #define __align8 __attribute__ ((aligned (8)))
140
141 void dsputil_init_alpha(void);
142
143 #else
144
145 #define emms_c()
146
147 #define __align8
148
149 #endif
150
151 /* PSNR */
152 void get_psnr(UINT8 *orig_image[3], UINT8 *coded_image[3],
153 int orig_linesize[3], int coded_linesize,
154 AVCodecContext *avctx);
155
156 #endif