interlaced motion estimation
[libav.git] / libavcodec / ppc / dsputil_altivec.h
1 /*
2 * Copyright (c) 2002 Brian Foley
3 * Copyright (c) 2002 Dieter Shirley
4 *
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Lesser General Public
7 * License as published by the Free Software Foundation; either
8 * version 2 of the License, or (at your option) any later version.
9 *
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Lesser General Public License for more details.
14 *
15 * You should have received a copy of the GNU Lesser General Public
16 * License along with this library; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18 */
19
20 #ifndef _DSPUTIL_ALTIVEC_
21 #define _DSPUTIL_ALTIVEC_
22
23 #include "dsputil_ppc.h"
24
25 #ifdef HAVE_ALTIVEC
26
27 extern int sad16_x2_altivec(void *v, uint8_t *pix1, uint8_t *pix2, int line_size, int h);
28 extern int sad16_y2_altivec(void *v, uint8_t *pix1, uint8_t *pix2, int line_size, int h);
29 extern int sad16_xy2_altivec(void *v, uint8_t *pix1, uint8_t *pix2, int line_size, int h);
30 extern int sad16_altivec(void *v, uint8_t *pix1, uint8_t *pix2, int line_size, int h);
31 extern int sad8_altivec(void *v, uint8_t *pix1, uint8_t *pix2, int line_size, int h);
32 extern int pix_norm1_altivec(uint8_t *pix, int line_size);
33 extern int sse8_altivec(void *v, uint8_t *pix1, uint8_t *pix2, int line_size, int h);
34 extern int sse16_altivec(void *v, uint8_t *pix1, uint8_t *pix2, int line_size, int h);
35 extern int pix_sum_altivec(uint8_t * pix, int line_size);
36 extern void diff_pixels_altivec(DCTELEM* block, const uint8_t* s1, const uint8_t* s2, int stride);
37 extern void get_pixels_altivec(DCTELEM* block, const uint8_t * pixels, int line_size);
38
39 extern void add_bytes_altivec(uint8_t *dst, uint8_t *src, int w);
40 extern void put_pixels_clamped_altivec(const DCTELEM *block, uint8_t *restrict pixels, int line_size);
41 extern void put_pixels16_altivec(uint8_t *block, const uint8_t *pixels, int line_size, int h);
42 extern void avg_pixels16_altivec(uint8_t *block, const uint8_t *pixels, int line_size, int h);
43 extern void avg_pixels8_altivec(uint8_t * block, const uint8_t * pixels, int line_size, int h);
44 extern void put_pixels8_xy2_altivec(uint8_t *block, const uint8_t *pixels, int line_size, int h);
45 extern void put_no_rnd_pixels8_xy2_altivec(uint8_t *block, const uint8_t *pixels, int line_size, int h);
46 extern void put_pixels16_xy2_altivec(uint8_t * block, const uint8_t * pixels, int line_size, int h);
47 extern void put_no_rnd_pixels16_xy2_altivec(uint8_t * block, const uint8_t * pixels, int line_size, int h);
48
49 extern void gmc1_altivec(uint8_t *dst, uint8_t *src, int stride, int h, int x16, int y16, int rounder);
50
51 extern int has_altivec(void);
52
53 // used to build registers permutation vectors (vcprm)
54 // the 's' are for words in the _s_econd vector
55 #define WORD_0 0x00,0x01,0x02,0x03
56 #define WORD_1 0x04,0x05,0x06,0x07
57 #define WORD_2 0x08,0x09,0x0a,0x0b
58 #define WORD_3 0x0c,0x0d,0x0e,0x0f
59 #define WORD_s0 0x10,0x11,0x12,0x13
60 #define WORD_s1 0x14,0x15,0x16,0x17
61 #define WORD_s2 0x18,0x19,0x1a,0x1b
62 #define WORD_s3 0x1c,0x1d,0x1e,0x1f
63
64 #ifdef CONFIG_DARWIN
65 #define vcprm(a,b,c,d) (const vector unsigned char)(WORD_ ## a, WORD_ ## b, WORD_ ## c, WORD_ ## d)
66 #else
67 #define vcprm(a,b,c,d) (const vector unsigned char){WORD_ ## a, WORD_ ## b, WORD_ ## c, WORD_ ## d}
68 #endif
69
70 // vcprmle is used to keep the same index as in the SSE version.
71 // it's the same as vcprm, with the index inversed
72 // ('le' is Little Endian)
73 #define vcprmle(a,b,c,d) vcprm(d,c,b,a)
74
75 // used to build inverse/identity vectors (vcii)
76 // n is _n_egative, p is _p_ositive
77 #define FLOAT_n -1.
78 #define FLOAT_p 1.
79
80
81 #ifdef CONFIG_DARWIN
82 #define vcii(a,b,c,d) (const vector float)(FLOAT_ ## a, FLOAT_ ## b, FLOAT_ ## c, FLOAT_ ## d)
83 #else
84 #define vcii(a,b,c,d) (const vector float){FLOAT_ ## a, FLOAT_ ## b, FLOAT_ ## c, FLOAT_ ## d}
85 #endif
86
87 #else /* HAVE_ALTIVEC */
88 #ifdef ALTIVEC_USE_REFERENCE_C_CODE
89 #error "I can't use ALTIVEC_USE_REFERENCE_C_CODE if I don't use HAVE_ALTIVEC"
90 #endif /* ALTIVEC_USE_REFERENCE_C_CODE */
91 #endif /* HAVE_ALTIVEC */
92
93 #endif /* _DSPUTIL_ALTIVEC_ */