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1 | /* |
2 | * vidstabdefines.h | |
3 | * | |
4 | * Created on: Feb 23, 2011 | |
5 | * Author: georg | |
6 | * | |
7 | * This file is part of vid.stab video stabilization library | |
8 | * | |
9 | * vid.stab is free software; you can redistribute it and/or modify | |
10 | * it under the terms of the GNU General Public License, | |
11 | * as published by the Free Software Foundation; either version 2, or | |
12 | * (at your option) any later version. | |
13 | * | |
14 | * vid.stab is distributed in the hope that it will be useful, | |
15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | * GNU General Public License for more details. | |
18 | * | |
19 | * You should have received a copy of the GNU General Public License | |
20 | * along with GNU Make; see the file COPYING. If not, write to | |
21 | * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. | |
22 | * | |
23 | * | |
24 | */ | |
25 | ||
26 | #ifndef VIDSTABDEFINES_H_ | |
27 | #define VIDSTABDEFINES_H_ | |
28 | ||
29 | #include <stddef.h> | |
30 | #include <stdlib.h> | |
31 | ||
32 | #ifdef __GNUC__ | |
33 | #define likely(x) __builtin_expect(!!(x), 1) | |
34 | #define unlikely(x) __builtin_expect(!!(x), 0) | |
35 | #else | |
36 | #define likely(x) (x) | |
37 | #define unlikely(x) (x) | |
38 | #endif | |
39 | ||
40 | #define VS_MAX(a, b) (((a) > (b)) ?(a) :(b)) | |
41 | #define VS_MIN(a, b) (((a) < (b)) ?(a) :(b)) | |
42 | /* clamp x between a and b */ | |
43 | #define VS_CLAMP(x, a, b) VS_MIN(VS_MAX((a), (x)), (b)) | |
44 | ||
45 | #define VS_DEBUG 2 | |
46 | ||
47 | /// pixel in single layer image | |
48 | #define PIXEL(img, linesize, x, y, w, h, def) \ | |
49 | (((x) < 0 || (y) < 0 || (x) >= (w) || (y) >= (h)) ? (def) : img[(x) + (y) * (linesize)]) | |
50 | /// pixel in single layer image without rangecheck | |
51 | #define PIX(img, linesize, x, y) (img[(x) + (y) * (linesize)]) | |
52 | /// pixel in N-channel image. channel in {0..N-1} | |
53 | #define PIXELN(img, linesize, x, y, w, h, N, channel, def) \ | |
54 | (((x) < 0 || (y) < 0 || (x) >= (w) || (y) >= (h)) ? (def) : img[((x) + (y) * (linesize))*(N) + (channel)]) | |
55 | /// pixel in N-channel image without rangecheck. channel in {0..N-1} | |
56 | #define PIXN(img, linesize, x, y, N, channel) (img[((x) + (y) * (linesize))*(N) + (channel)]) | |
57 | ||
58 | /**** Configurable memory and logging functions. Defined in libvidstab.c ****/ | |
59 | ||
60 | typedef void* (*vs_malloc_t) (size_t size); | |
61 | typedef void* (*vs_realloc_t) (void* ptr, size_t size); | |
62 | typedef void (*vs_free_t) (void* ptr); | |
63 | typedef void* (*vs_zalloc_t) (size_t size); | |
64 | ||
65 | typedef int (*vs_log_t) (int type, const char* tag, const char* format, ...); | |
66 | ||
67 | typedef char* (*vs_strdup_t) (const char* s); | |
68 | ||
69 | extern vs_log_t vs_log; | |
70 | ||
71 | extern vs_malloc_t vs_malloc; | |
72 | extern vs_realloc_t vs_realloc; | |
73 | extern vs_free_t vs_free; | |
74 | extern vs_zalloc_t vs_zalloc; | |
75 | ||
76 | extern vs_strdup_t vs_strdup; | |
77 | ||
78 | extern int VS_ERROR_TYPE; | |
79 | extern int VS_WARN_TYPE; | |
80 | extern int VS_INFO_TYPE; | |
81 | extern int VS_MSG_TYPE; | |
82 | ||
83 | extern int VS_ERROR; | |
84 | extern int VS_OK; | |
85 | ||
86 | #define vs_log_error(tag, format, args...) \ | |
87 | vs_log(VS_ERROR_TYPE, tag, format , ## args) | |
88 | #define vs_log_warn(tag, format, args...) \ | |
89 | vs_log(VS_WARN_TYPE, tag, format , ## args) | |
90 | #define vs_log_info(tag, format, args...) \ | |
91 | vs_log(VS_INFO_TYPE, tag, format , ## args) | |
92 | #define vs_log_msg(tag, format, args...) \ | |
93 | vs_log(VS_MSG_TYPE, tag, format , ## args) | |
94 | ||
95 | #endif /* VIDSTABDEFINES_H_ */ |