Mercurial > sdl-ios-xcode
annotate src/audio/SDL_sysaudio.h @ 4545:134c6707b767 SDL-1.2
Fixed bug 993
GCC supports unnamed unions now. :)
| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Sun, 18 Jul 2010 10:51:25 -0700 |
| parents | fe15c4e8efe6 |
| children |
| rev | line source |
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| 0 | 1 /* |
| 2 SDL - Simple DirectMedia Layer | |
| 4159 | 3 Copyright (C) 1997-2009 Sam Lantinga |
| 0 | 4 |
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5 This library is SDL_free software; you can redistribute it and/or |
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6 modify it under the terms of the GNU Lesser General Public |
| 0 | 7 License as published by the Free Software Foundation; either |
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8 version 2.1 of the License, or (at your option) any later version. |
| 0 | 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 | |
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13 Lesser General Public License for more details. |
| 0 | 14 |
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15 You should have received a copy of the GNU Lesser General Public |
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16 License along with this library; if not, write to the Free Software |
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17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| 0 | 18 |
| 19 Sam Lantinga | |
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20 slouken@libsdl.org |
| 0 | 21 */ |
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22 #include "SDL_config.h" |
| 0 | 23 |
| 24 #ifndef _SDL_sysaudio_h | |
| 25 #define _SDL_sysaudio_h | |
| 26 | |
| 27 #include "SDL_mutex.h" | |
| 28 #include "SDL_thread.h" | |
| 29 | |
| 30 /* The SDL audio driver */ | |
| 31 typedef struct SDL_AudioDevice SDL_AudioDevice; | |
| 32 | |
| 33 /* Define the SDL audio driver structure */ | |
| 34 #define _THIS SDL_AudioDevice *_this | |
| 35 #ifndef _STATUS | |
| 36 #define _STATUS SDL_status *status | |
| 37 #endif | |
| 38 struct SDL_AudioDevice { | |
| 39 /* * * */ | |
| 40 /* The name of this audio driver */ | |
| 41 const char *name; | |
| 42 | |
| 43 /* * * */ | |
| 44 /* The description of this audio driver */ | |
| 45 const char *desc; | |
| 46 | |
| 47 /* * * */ | |
| 48 /* Public driver functions */ | |
| 49 int (*OpenAudio)(_THIS, SDL_AudioSpec *spec); | |
| 50 void (*ThreadInit)(_THIS); /* Called by audio thread at start */ | |
| 51 void (*WaitAudio)(_THIS); | |
| 52 void (*PlayAudio)(_THIS); | |
| 53 Uint8 *(*GetAudioBuf)(_THIS); | |
| 54 void (*WaitDone)(_THIS); | |
| 55 void (*CloseAudio)(_THIS); | |
| 56 | |
| 57 /* * * */ | |
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58 /* Lock / Unlock functions added for the Mac port */ |
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59 void (*LockAudio)(_THIS); |
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60 void (*UnlockAudio)(_THIS); |
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61 |
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62 void (*SetCaption)(_THIS, const char *caption); |
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63 |
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64 /* * * */ |
| 0 | 65 /* Data common to all devices */ |
| 66 | |
| 67 /* The current audio specification (shared with audio thread) */ | |
| 68 SDL_AudioSpec spec; | |
| 69 | |
| 70 /* An audio conversion block for audio format emulation */ | |
| 71 SDL_AudioCVT convert; | |
| 72 | |
| 73 /* Current state flags */ | |
| 74 int enabled; | |
| 75 int paused; | |
| 76 int opened; | |
| 77 | |
| 78 /* Fake audio buffer for when the audio hardware is busy */ | |
| 79 Uint8 *fake_stream; | |
| 80 | |
| 81 /* A semaphore for locking the mixing buffers */ | |
| 82 SDL_mutex *mixer_lock; | |
| 83 | |
| 84 /* A thread to feed the audio device */ | |
| 85 SDL_Thread *thread; | |
| 86 Uint32 threadid; | |
| 87 | |
| 88 /* * * */ | |
| 89 /* Data private to this driver */ | |
| 90 struct SDL_PrivateAudioData *hidden; | |
| 91 | |
| 92 /* * * */ | |
| 93 /* The function used to dispose of this structure */ | |
| 94 void (*free)(_THIS); | |
| 95 }; | |
| 96 #undef _THIS | |
| 97 | |
| 98 typedef struct AudioBootStrap { | |
| 99 const char *name; | |
| 100 const char *desc; | |
| 101 int (*available)(void); | |
| 102 SDL_AudioDevice *(*create)(int devindex); | |
| 103 } AudioBootStrap; | |
| 104 | |
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105 #if SDL_AUDIO_DRIVER_BSD |
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106 extern AudioBootStrap BSD_AUDIO_bootstrap; |
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107 #endif |
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108 #if SDL_AUDIO_DRIVER_PULSE |
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109 extern AudioBootStrap PULSE_bootstrap; |
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110 #endif |
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111 #if SDL_AUDIO_DRIVER_ALSA |
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112 extern AudioBootStrap ALSA_bootstrap; |
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113 #endif |
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114 #if SDL_AUDIO_DRIVER_OSS |
| 0 | 115 extern AudioBootStrap DSP_bootstrap; |
| 116 extern AudioBootStrap DMA_bootstrap; | |
| 117 #endif | |
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118 #if SDL_AUDIO_DRIVER_QNXNTO |
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119 extern AudioBootStrap QNXNTOAUDIO_bootstrap; |
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120 #endif |
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121 #if SDL_AUDIO_DRIVER_SUNAUDIO |
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122 extern AudioBootStrap SUNAUDIO_bootstrap; |
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123 #endif |
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124 #if SDL_AUDIO_DRIVER_DMEDIA |
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125 extern AudioBootStrap DMEDIA_bootstrap; |
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126 #endif |
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127 #if SDL_AUDIO_DRIVER_ARTS |
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128 extern AudioBootStrap ARTS_bootstrap; |
| 0 | 129 #endif |
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130 #if SDL_AUDIO_DRIVER_ESD |
| 0 | 131 extern AudioBootStrap ESD_bootstrap; |
| 132 #endif | |
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133 #if SDL_AUDIO_DRIVER_NAS |
| 0 | 134 extern AudioBootStrap NAS_bootstrap; |
| 135 #endif | |
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136 #if SDL_AUDIO_DRIVER_DSOUND |
| 0 | 137 extern AudioBootStrap DSOUND_bootstrap; |
| 138 #endif | |
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139 #if SDL_AUDIO_DRIVER_WAVEOUT |
| 0 | 140 extern AudioBootStrap WAVEOUT_bootstrap; |
| 141 #endif | |
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142 #if SDL_AUDIO_DRIVER_PAUD |
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143 extern AudioBootStrap Paud_bootstrap; |
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144 #endif |
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145 #if SDL_AUDIO_DRIVER_BAUDIO |
| 0 | 146 extern AudioBootStrap BAUDIO_bootstrap; |
| 147 #endif | |
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148 #if SDL_AUDIO_DRIVER_COREAUDIO |
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149 extern AudioBootStrap COREAUDIO_bootstrap; |
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150 #endif |
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151 #if SDL_AUDIO_DRIVER_SNDMGR |
| 0 | 152 extern AudioBootStrap SNDMGR_bootstrap; |
| 153 #endif | |
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154 #if SDL_AUDIO_DRIVER_MINT |
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155 extern AudioBootStrap MINTAUDIO_GSXB_bootstrap; |
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156 extern AudioBootStrap MINTAUDIO_MCSN_bootstrap; |
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157 extern AudioBootStrap MINTAUDIO_STFA_bootstrap; |
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158 extern AudioBootStrap MINTAUDIO_XBIOS_bootstrap; |
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159 extern AudioBootStrap MINTAUDIO_DMA8_bootstrap; |
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160 #endif |
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161 #if SDL_AUDIO_DRIVER_DISK |
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162 extern AudioBootStrap DISKAUD_bootstrap; |
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163 #endif |
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164 #if SDL_AUDIO_DRIVER_DUMMY |
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165 extern AudioBootStrap DUMMYAUD_bootstrap; |
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166 #endif |
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167 #if SDL_AUDIO_DRIVER_DC |
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168 extern AudioBootStrap DCAUD_bootstrap; |
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169 #endif |
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170 #if SDL_AUDIO_DRIVER_NDS |
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171 extern AudioBootStrap NDSAUD_bootstrap; |
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172 #endif |
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173 #if SDL_AUDIO_DRIVER_MMEAUDIO |
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174 extern AudioBootStrap MMEAUDIO_bootstrap; |
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175 #endif |
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176 #if SDL_AUDIO_DRIVER_DART |
| 1190 | 177 extern AudioBootStrap DART_bootstrap; |
| 178 #endif | |
| 3975 | 179 #if SDL_AUDIO_DRIVER_EPOCAUDIO |
| 180 extern AudioBootStrap EPOCAudio_bootstrap; | |
| 181 #endif | |
| 0 | 182 |
| 183 /* This is the current audio device */ | |
| 184 extern SDL_AudioDevice *current_audio; | |
| 185 | |
| 186 #endif /* _SDL_sysaudio_h */ |