1 /* |
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2 * OpenAL Bridge - a simple portable library for OpenAL interface |
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3 * Copyright (c) 2009 Vittorio Giovara <vittorio.giovara@gmail.com>, |
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4 * Mario Liebisch <mario.liebisch+hw@googlemail.com> |
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5 * |
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6 * This program is free software; you can redistribute it and/or modify |
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7 * it under the terms of the GNU Lesser General Public License as published by |
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8 * the Free Software Foundation; version 2 of the License |
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9 * |
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10 * This program is distributed in the hope that it will be useful, |
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11 * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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13 * GNU Lesser General Public License for more details. |
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14 * |
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15 * You should have received a copy of the GNU Lesser General Public License |
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16 * along with this program; if not, write to the Free Software |
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17 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA |
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18 */ |
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19 |
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20 |
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21 #ifndef _COMMON_H |
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22 #define _COMMON_H |
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23 |
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24 #include <stdio.h> |
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25 #include <stdlib.h> |
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26 #include <stdint.h> |
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27 #include <string.h> |
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28 #include <stdarg.h> |
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29 #include <errno.h> |
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30 #include "al.h" |
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31 #include "errlib.h" |
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32 |
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33 #ifndef _WIN32 |
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34 #include <pthread.h> |
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35 #include <syslog.h> |
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36 #else |
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37 #include <process.h> |
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38 #define syslog(x,y) fprintf(stderr,y) |
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39 #define LOG_INFO 6 |
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40 #define LOG_ERR 3 |
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41 #endif |
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42 |
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43 |
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44 /* magics */ |
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45 #define OGG_FILE_FORMAT 0x4F676753 |
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46 #define WAV_FILE_FORMAT 0x52494646 |
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47 #define WAV_HEADER_SUBCHUNK2ID 0x64617461 |
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48 |
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49 /* max allocations */ |
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50 #define MAX_SOUNDS 1024 |
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51 #define MAX_SOURCES 16 |
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52 |
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53 /* check compiler requirements */ /*FIXME*/ |
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54 #if !defined(__BIG_ENDIAN__) && !defined(__LITTLE_ENDIAN__) |
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55 #warning __BIG_ENDIAN__ or __LITTLE_ENDIAN__ not found, going to set __LITTLE_ENDIAN__ as default |
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56 #define __LITTLE_ENDIAN__ 1 |
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57 //#error Do not know the endianess of this architecture |
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58 #endif |
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59 |
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60 /* use byteswap macros from the host system, hopefully optimized ones ;-) |
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61 * or define our own version, simple, stupid, straight-forward... */ |
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62 #ifdef HAVE_BYTESWAP_H |
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63 #include <byteswap.h> |
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64 #else |
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65 #define bswap_16(x) ((((x) & 0xFF00) >> 8) | (((x) & 0x00FF) << 8)) |
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66 #define bswap_32(x) ((((x) & 0xFF000000) >> 24) | (((x) & 0x00FF0000) >> 8) | \ |
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67 (((x) & 0x0000FF00) << 8) | (((x) & 0x000000FF) << 24) ) |
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68 #endif /* HAVE_BYTESWAP_H */ |
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69 |
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70 /* swap numbers accordingly to architecture automatically */ |
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71 #ifdef __LITTLE_ENDIAN__ |
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72 #define ENDIAN_LITTLE_32(x) x |
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73 #define ENDIAN_BIG_32(x) bswap_32(x) |
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74 #define ENDIAN_LITTLE_16(x) x |
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75 #define ENDIAN_BIG_16(x) bswap_16(x) |
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76 #elif __BIG_ENDIAN__ |
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77 #define ENDIAN_LITTLE_32(x) bswap_32(x) |
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78 #define ENDIAN_BIG_32(x) x |
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79 #define ENDIAN_LITTLE_16(x) bswap_16(x) |
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80 #define ENDIAN_BIG_16(x) x |
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81 #endif |
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82 |
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83 /** 1.0 02/03/10 - Defines cross-platform sleep, usleep, etc. [Wu Yongwei] **/ |
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84 #ifndef _SLEEP_H |
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85 #define _SLEEP_H |
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86 #ifdef _WIN32 |
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87 # if defined(_NEED_SLEEP_ONLY) && (defined(_MSC_VER) || defined(__MINGW32__)) |
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88 # include <stdlib.h> |
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89 # define sleep(t) _sleep((t) * 1000) |
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90 # else |
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91 # define WIN32_LEAN_AND_MEAN |
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92 # include <windows.h> |
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93 # define sleep(t) Sleep((t) * 1000) |
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94 # endif |
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95 # ifndef _NEED_SLEEP_ONLY |
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96 # define msleep(t) Sleep(t) |
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97 # define usleep(t) Sleep((t) / 1000) |
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98 # endif |
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99 #else |
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100 # include <unistd.h> |
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101 # ifndef _NEED_SLEEP_ONLY |
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102 # define msleep(t) usleep((t) * 1000) |
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103 # endif |
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104 #endif |
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105 #endif /* _SLEEP_H */ |
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106 |
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107 #pragma pack(1) |
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108 typedef struct _WAV_header_t { |
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109 uint32_t ChunkID; |
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110 uint32_t ChunkSize; |
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111 uint32_t Format; |
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112 uint32_t Subchunk1ID; |
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113 uint32_t Subchunk1Size; |
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114 uint16_t AudioFormat; |
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115 uint16_t NumChannels; |
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116 uint32_t SampleRate; |
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117 uint32_t ByteRate; |
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118 uint16_t BlockAlign; |
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119 uint16_t BitsPerSample; |
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120 uint32_t Subchunk2ID; |
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121 uint32_t Subchunk2Size; |
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122 } WAV_header_t; |
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123 #pragma pack() |
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124 |
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125 #pragma pack(1) |
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126 typedef struct _SSound_t { |
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127 int isLoaded; |
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128 int sourceIndex; |
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129 char *filename; |
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130 ALuint Buffer; |
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131 } SSound_t; |
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132 #pragma pack() |
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133 |
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134 /*data type for passing data between threads*/ |
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135 #pragma pack(1) |
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136 typedef struct _fade_t { |
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137 uint32_t index; |
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138 uint16_t quantity; |
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139 } fade_t; |
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140 #pragma pack() |
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141 |
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142 #define FADE_IN 0 |
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143 #define FADE_OUT 1 |
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144 |
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145 #endif /* _COMMON_H*/ |
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