10 void jpeg_fdct_ifast (DCTELEM *data);
12 void j_rev_dct (DCTELEM *data);
14 void fdct_mmx(DCTELEM *block);
16 void (*av_fdct)(DCTELEM *block);
19 extern UINT8 ff_alternate_horizontal_scan[64];
20 extern UINT8 ff_alternate_vertical_scan[64];
21 extern UINT8 zigzag_direct[64];
23 /* permutation table */
24 extern UINT8 permutation[64];
26 /* pixel operations */
27 #define MAX_NEG_CROP 384
30 extern UINT32 squareTbl[512];
31 extern UINT8 cropTbl[256 + 2 * MAX_NEG_CROP];
33 void dsputil_init(void);
35 /* pixel ops : interface with DCT */
37 extern void (*ff_idct)(DCTELEM *block);
38 extern void (*get_pixels)(DCTELEM *block, const UINT8 *pixels, int line_size);
39 extern void (*put_pixels_clamped)(const DCTELEM *block, UINT8 *pixels, int line_size);
40 extern void (*add_pixels_clamped)(const DCTELEM *block, UINT8 *pixels, int line_size);
42 void get_pixels_c(DCTELEM *block, const UINT8 *pixels, int line_size);
43 void put_pixels_clamped_c(const DCTELEM *block, UINT8 *pixels, int line_size);
44 void add_pixels_clamped_c(const DCTELEM *block, UINT8 *pixels, int line_size);
46 /* add and put pixel (decoding) */
47 typedef void (*op_pixels_func)(UINT8 *block, const UINT8 *pixels, int line_size, int h);
49 extern op_pixels_func put_pixels_tab[4];
50 extern op_pixels_func avg_pixels_tab[4];
51 extern op_pixels_func put_no_rnd_pixels_tab[4];
52 extern op_pixels_func avg_no_rnd_pixels_tab[4];
54 /* sub pixel (encoding) */
55 extern void (*sub_pixels_tab[4])(DCTELEM *block, const UINT8 *pixels, int line_size, int h);
57 #define sub_pixels_2(block, pixels, line_size, dxy) \
58 sub_pixels_tab[dxy](block, pixels, line_size, 8)
60 /* motion estimation */
62 typedef int (*op_pixels_abs_func)(UINT8 *blk1, UINT8 *blk2, int line_size, int h);
64 extern op_pixels_abs_func pix_abs16x16;
65 extern op_pixels_abs_func pix_abs16x16_x2;
66 extern op_pixels_abs_func pix_abs16x16_y2;
67 extern op_pixels_abs_func pix_abs16x16_xy2;
69 int pix_abs16x16_c(UINT8 *blk1, UINT8 *blk2, int lx, int h);
70 int pix_abs16x16_x2_c(UINT8 *blk1, UINT8 *blk2, int lx, int h);
71 int pix_abs16x16_y2_c(UINT8 *blk1, UINT8 *blk2, int lx, int h);
72 int pix_abs16x16_xy2_c(UINT8 *blk1, UINT8 *blk2, int lx, int h);
74 static inline int block_permute_op(int j)
76 return permutation[j];
79 void block_permute(INT16 *block);
83 #define MM_MMX 0x0001 /* standard MMX */
84 #define MM_3DNOW 0x0004 /* AMD 3DNOW */
85 #define MM_MMXEXT 0x0002 /* SSE integer functions or AMD MMX ext */
86 #define MM_SSE 0x0008 /* SSE functions */
87 #define MM_SSE2 0x0010 /* PIV SSE2 functions */
93 static inline void emms(void)
95 __asm __volatile ("emms;":::"memory");
100 if (mm_flags & MM_MMX)\
104 #define __align8 __attribute__ ((aligned (8)))
106 void dsputil_init_mmx(void);
108 #elif defined(ARCH_ARMV4L)
112 /* This is to use 4 bytes read to the IDCT pointers for some 'zero'
114 #define __align8 __attribute__ ((aligned (4)))
116 void dsputil_init_armv4l(void);
118 #elif defined(HAVE_MLIB)
122 /* SPARC/VIS IDCT needs 8-byte aligned DCT blocks */
123 #define __align8 __attribute__ ((aligned (8)))
125 void dsputil_init_mlib(void);
127 #elif defined(ARCH_ALPHA)
130 #define __align8 __attribute__ ((aligned (8)))
132 void dsputil_init_alpha(void);
143 void get_psnr(UINT8 *orig_image[3], UINT8 *coded_image[3],
144 int orig_linesize[3], int coded_linesize,
145 AVCodecContext *avctx);