Mercurial > sdl-ios-xcode
annotate src/audio/SDL_sysaudio.h @ 44:25091c75acc4
*** empty log message ***
| author | Sam Lantinga <slouken@lokigames.com> |
|---|---|
| date | Sun, 27 May 2001 01:04:01 +0000 |
| parents | 3ad7157c6cfa |
| children | ac6645260d31 |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 2 SDL - Simple DirectMedia Layer | |
| 3 Copyright (C) 1997, 1998, 1999, 2000, 2001 Sam Lantinga | |
| 4 | |
| 5 This library is free software; you can redistribute it and/or | |
| 6 modify it under the terms of the GNU Library General Public | |
| 7 License as published by the Free Software Foundation; either | |
| 8 version 2 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 Library General Public License for more details. | |
| 14 | |
| 15 You should have received a copy of the GNU Library General Public | |
| 16 License along with this library; if not, write to the Free | |
| 17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
| 18 | |
| 19 Sam Lantinga | |
| 20 slouken@devolution.com | |
| 21 */ | |
| 22 | |
| 23 #ifdef SAVE_RCSID | |
| 24 static char rcsid = | |
| 25 "@(#) $Id$"; | |
| 26 #endif | |
| 27 | |
| 28 #ifndef _SDL_sysaudio_h | |
| 29 #define _SDL_sysaudio_h | |
| 30 | |
| 31 #include "SDL_mutex.h" | |
| 32 #include "SDL_thread.h" | |
| 33 | |
| 34 /* The SDL audio driver */ | |
| 35 typedef struct SDL_AudioDevice SDL_AudioDevice; | |
| 36 | |
| 37 /* Define the SDL audio driver structure */ | |
| 38 #define _THIS SDL_AudioDevice *_this | |
| 39 #ifndef _STATUS | |
| 40 #define _STATUS SDL_status *status | |
| 41 #endif | |
| 42 struct SDL_AudioDevice { | |
| 43 /* * * */ | |
| 44 /* The name of this audio driver */ | |
| 45 const char *name; | |
| 46 | |
| 47 /* * * */ | |
| 48 /* The description of this audio driver */ | |
| 49 const char *desc; | |
| 50 | |
| 51 /* * * */ | |
| 52 /* Public driver functions */ | |
| 53 int (*OpenAudio)(_THIS, SDL_AudioSpec *spec); | |
| 54 void (*ThreadInit)(_THIS); /* Called by audio thread at start */ | |
| 55 void (*WaitAudio)(_THIS); | |
| 56 void (*PlayAudio)(_THIS); | |
| 57 Uint8 *(*GetAudioBuf)(_THIS); | |
| 58 void (*WaitDone)(_THIS); | |
| 59 void (*CloseAudio)(_THIS); | |
| 60 | |
| 61 /* * * */ | |
| 62 /* Data common to all devices */ | |
| 63 | |
| 64 /* The current audio specification (shared with audio thread) */ | |
| 65 SDL_AudioSpec spec; | |
| 66 | |
| 67 /* An audio conversion block for audio format emulation */ | |
| 68 SDL_AudioCVT convert; | |
| 69 | |
| 70 /* Current state flags */ | |
| 71 int enabled; | |
| 72 int paused; | |
| 73 int opened; | |
| 74 | |
| 75 /* Fake audio buffer for when the audio hardware is busy */ | |
| 76 Uint8 *fake_stream; | |
| 77 | |
| 78 /* A semaphore for locking the mixing buffers */ | |
| 79 SDL_mutex *mixer_lock; | |
| 80 | |
| 81 /* A thread to feed the audio device */ | |
| 82 SDL_Thread *thread; | |
| 83 Uint32 threadid; | |
| 84 | |
| 85 /* * * */ | |
| 86 /* Data private to this driver */ | |
| 87 struct SDL_PrivateAudioData *hidden; | |
| 88 | |
| 89 /* * * */ | |
| 90 /* The function used to dispose of this structure */ | |
| 91 void (*free)(_THIS); | |
| 92 }; | |
| 93 #undef _THIS | |
| 94 | |
| 95 typedef struct AudioBootStrap { | |
| 96 const char *name; | |
| 97 const char *desc; | |
| 98 int (*available)(void); | |
| 99 SDL_AudioDevice *(*create)(int devindex); | |
| 100 } AudioBootStrap; | |
| 101 | |
| 102 #ifdef OSS_SUPPORT | |
| 103 extern AudioBootStrap DSP_bootstrap; | |
| 104 extern AudioBootStrap DMA_bootstrap; | |
| 105 #endif | |
| 106 #ifdef ALSA_SUPPORT | |
| 107 extern AudioBootStrap ALSA_bootstrap; | |
| 108 #endif | |
|
37
3ad7157c6cfa
Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
35
diff
changeset
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109 #ifdef __OpenBSD__ |
|
3ad7157c6cfa
Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
35
diff
changeset
|
110 extern AudioBootStrap OBSD_bootstrap; |
|
3ad7157c6cfa
Added native OpenBSD audio driver (thanks vedge!)
Sam Lantinga <slouken@lokigames.com>
parents:
35
diff
changeset
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111 #endif |
|
35
d3bc792e136d
Added detection of Open Sound System on Solaris x86
Sam Lantinga <slouken@lokigames.com>
parents:
21
diff
changeset
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112 #if (defined(unix) && !defined(__CYGWIN32__)) && \ |
|
d3bc792e136d
Added detection of Open Sound System on Solaris x86
Sam Lantinga <slouken@lokigames.com>
parents:
21
diff
changeset
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113 !defined(OSS_SUPPORT) && !defined(ALSA_SUPPORT) |
|
d3bc792e136d
Added detection of Open Sound System on Solaris x86
Sam Lantinga <slouken@lokigames.com>
parents:
21
diff
changeset
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114 extern AudioBootStrap AUDIO_bootstrap; |
|
d3bc792e136d
Added detection of Open Sound System on Solaris x86
Sam Lantinga <slouken@lokigames.com>
parents:
21
diff
changeset
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115 #endif |
| 0 | 116 #ifdef ARTSC_SUPPORT |
| 117 extern AudioBootStrap ARTSC_bootstrap; | |
| 118 #endif | |
| 119 #ifdef ESD_SUPPORT | |
| 120 extern AudioBootStrap ESD_bootstrap; | |
| 121 #endif | |
| 122 #ifdef NAS_SUPPORT | |
| 123 extern AudioBootStrap NAS_bootstrap; | |
| 124 #endif | |
| 125 #ifdef ENABLE_DIRECTX | |
| 126 extern AudioBootStrap DSOUND_bootstrap; | |
| 127 #endif | |
| 128 #ifdef ENABLE_WINDIB | |
| 129 extern AudioBootStrap WAVEOUT_bootstrap; | |
| 130 #endif | |
|
21
75a95f82bc1f
Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
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131 #ifdef _AIX |
|
75a95f82bc1f
Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
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132 extern AudioBootStrap Paud_bootstrap; |
|
75a95f82bc1f
Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
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133 #endif |
| 0 | 134 #ifdef __BEOS__ |
| 135 extern AudioBootStrap BAUDIO_bootstrap; | |
| 136 #endif | |
| 137 #if defined(macintosh) || TARGET_API_MAC_CARBON | |
| 138 extern AudioBootStrap SNDMGR_bootstrap; | |
| 139 #endif | |
|
21
75a95f82bc1f
Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
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140 #ifdef ENABLE_AHI |
|
75a95f82bc1f
Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
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141 extern AudioBootStrap AHI_bootstrap; |
| 0 | 142 #endif |
| 143 | |
| 144 /* This is the current audio device */ | |
| 145 extern SDL_AudioDevice *current_audio; | |
| 146 | |
| 147 #endif /* _SDL_sysaudio_h */ |