| e14743d1 |
1 | /* |
| 2 | SDL - Simple DirectMedia Layer |
| 3 | Copyright (C) 1997-2009 Sam Lantinga |
| 4 | |
| 5 | This library is SDL_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 2.1 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| 18 | |
| 19 | Sam Lantinga |
| 20 | slouken@libsdl.org |
| 21 | */ |
| 22 | #include "SDL_config.h" |
| 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 | /* * * */ |
| 58 | /* Lock / Unlock functions added for the Mac port */ |
| 59 | void (*LockAudio)(_THIS); |
| 60 | void (*UnlockAudio)(_THIS); |
| 61 | |
| 62 | /* * * */ |
| 63 | /* Data common to all devices */ |
| 64 | |
| 65 | /* The current audio specification (shared with audio thread) */ |
| 66 | SDL_AudioSpec spec; |
| 67 | |
| 68 | /* An audio conversion block for audio format emulation */ |
| 69 | SDL_AudioCVT convert; |
| 70 | |
| 71 | /* Current state flags */ |
| 72 | int enabled; |
| 73 | int paused; |
| 74 | int opened; |
| 75 | |
| 76 | /* Fake audio buffer for when the audio hardware is busy */ |
| 77 | Uint8 *fake_stream; |
| 78 | |
| 79 | /* A semaphore for locking the mixing buffers */ |
| 80 | SDL_mutex *mixer_lock; |
| 81 | |
| 82 | /* A thread to feed the audio device */ |
| 83 | SDL_Thread *thread; |
| 84 | Uint32 threadid; |
| 85 | |
| 86 | /* * * */ |
| 87 | /* Data private to this driver */ |
| 88 | struct SDL_PrivateAudioData *hidden; |
| 89 | |
| 90 | /* * * */ |
| 91 | /* The function used to dispose of this structure */ |
| 92 | void (*free)(_THIS); |
| 93 | }; |
| 94 | #undef _THIS |
| 95 | |
| 96 | typedef struct AudioBootStrap { |
| 97 | const char *name; |
| 98 | const char *desc; |
| 99 | int (*available)(void); |
| 100 | SDL_AudioDevice *(*create)(int devindex); |
| 101 | } AudioBootStrap; |
| 102 | |
| 103 | #if SDL_AUDIO_DRIVER_BSD |
| 104 | extern AudioBootStrap BSD_AUDIO_bootstrap; |
| 105 | #endif |
| 106 | #if SDL_AUDIO_DRIVER_PULSE |
| 107 | extern AudioBootStrap PULSE_bootstrap; |
| 108 | #endif |
| 109 | #if SDL_AUDIO_DRIVER_ALSA |
| 110 | extern AudioBootStrap ALSA_bootstrap; |
| 111 | #endif |
| 112 | #if SDL_AUDIO_DRIVER_OSS |
| 113 | extern AudioBootStrap DSP_bootstrap; |
| 114 | extern AudioBootStrap DMA_bootstrap; |
| 115 | #endif |
| 116 | #if SDL_AUDIO_DRIVER_QNXNTO |
| 117 | extern AudioBootStrap QNXNTOAUDIO_bootstrap; |
| 118 | #endif |
| 119 | #if SDL_AUDIO_DRIVER_SUNAUDIO |
| 120 | extern AudioBootStrap SUNAUDIO_bootstrap; |
| 121 | #endif |
| 122 | #if SDL_AUDIO_DRIVER_DMEDIA |
| 123 | extern AudioBootStrap DMEDIA_bootstrap; |
| 124 | #endif |
| 125 | #if SDL_AUDIO_DRIVER_ARTS |
| 126 | extern AudioBootStrap ARTS_bootstrap; |
| 127 | #endif |
| 128 | #if SDL_AUDIO_DRIVER_ESD |
| 129 | extern AudioBootStrap ESD_bootstrap; |
| 130 | #endif |
| 131 | #if SDL_AUDIO_DRIVER_NAS |
| 132 | extern AudioBootStrap NAS_bootstrap; |
| 133 | #endif |
| 134 | #if SDL_AUDIO_DRIVER_DSOUND |
| 135 | extern AudioBootStrap DSOUND_bootstrap; |
| 136 | #endif |
| 137 | #if SDL_AUDIO_DRIVER_WAVEOUT |
| 138 | extern AudioBootStrap WAVEOUT_bootstrap; |
| 139 | #endif |
| 140 | #if SDL_AUDIO_DRIVER_PAUD |
| 141 | extern AudioBootStrap Paud_bootstrap; |
| 142 | #endif |
| 143 | #if SDL_AUDIO_DRIVER_BAUDIO |
| 144 | extern AudioBootStrap BAUDIO_bootstrap; |
| 145 | #endif |
| 146 | #if SDL_AUDIO_DRIVER_COREAUDIO |
| 147 | extern AudioBootStrap COREAUDIO_bootstrap; |
| 148 | #endif |
| 149 | #if SDL_AUDIO_DRIVER_SNDMGR |
| 150 | extern AudioBootStrap SNDMGR_bootstrap; |
| 151 | #endif |
| 152 | #if SDL_AUDIO_DRIVER_MINT |
| 153 | extern AudioBootStrap MINTAUDIO_GSXB_bootstrap; |
| 154 | extern AudioBootStrap MINTAUDIO_MCSN_bootstrap; |
| 155 | extern AudioBootStrap MINTAUDIO_STFA_bootstrap; |
| 156 | extern AudioBootStrap MINTAUDIO_XBIOS_bootstrap; |
| 157 | extern AudioBootStrap MINTAUDIO_DMA8_bootstrap; |
| 158 | #endif |
| 159 | #if SDL_AUDIO_DRIVER_DISK |
| 160 | extern AudioBootStrap DISKAUD_bootstrap; |
| 161 | #endif |
| 162 | #if SDL_AUDIO_DRIVER_DUMMY |
| 163 | extern AudioBootStrap DUMMYAUD_bootstrap; |
| 164 | #endif |
| 165 | #if SDL_AUDIO_DRIVER_DC |
| 166 | extern AudioBootStrap DCAUD_bootstrap; |
| 167 | #endif |
| 168 | #if SDL_AUDIO_DRIVER_NDS |
| 169 | extern AudioBootStrap NDSAUD_bootstrap; |
| 170 | #endif |
| 171 | #if SDL_AUDIO_DRIVER_MMEAUDIO |
| 172 | extern AudioBootStrap MMEAUDIO_bootstrap; |
| 173 | #endif |
| 174 | #if SDL_AUDIO_DRIVER_DART |
| 175 | extern AudioBootStrap DART_bootstrap; |
| 176 | #endif |
| 177 | #if SDL_AUDIO_DRIVER_EPOCAUDIO |
| 178 | extern AudioBootStrap EPOCAudio_bootstrap; |
| 179 | #endif |
| 180 | |
| 181 | /* This is the current audio device */ |
| 182 | extern SDL_AudioDevice *current_audio; |
| 183 | |
| 184 | #endif /* _SDL_sysaudio_h */ |
notaz.gp2x.de / sdl_omap.git / blame