| 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_ */ |