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comparison src/audio/SDL_sysaudio.h @ 2049:5f6550e5184f

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Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
author Ryan C. Gordon <icculus@icculus.org>
date Tue, 17 Oct 2006 09:15:21 +0000
parents c121d94672cb
children 866052b01ee5
comparison
equal deleted inserted replaced
2048:6067c7f9a672 2049:5f6550e5184f
27 #include "SDL_mutex.h" 27 #include "SDL_mutex.h"
28 #include "SDL_thread.h" 28 #include "SDL_thread.h"
29 29
30 /* The SDL audio driver */ 30 /* The SDL audio driver */
31 typedef struct SDL_AudioDevice SDL_AudioDevice; 31 typedef struct SDL_AudioDevice SDL_AudioDevice;
32 #define _THIS SDL_AudioDevice *_this
32 33
33 /* Define the SDL audio driver structure */ 34 typedef struct SDL_AudioDriverImpl
34 #define _THIS SDL_AudioDevice *_this 35 {
35 #ifndef _STATUS 36 int (*DetectDevices)(int iscapture);
36 #define _STATUS SDL_status *status 37 const char *(*GetDeviceName)(int index, int iscapture);
37 #endif 38 int (*OpenDevice) (_THIS, const char *devname, int iscapture);
38 struct SDL_AudioDevice 39 void (*ThreadInit) (_THIS); /* Called by audio thread at start */
40 void (*WaitDevice) (_THIS);
41 void (*PlayDevice) (_THIS);
42 Uint8 *(*GetDeviceBuf) (_THIS);
43 void (*WaitDone) (_THIS);
44 void (*CloseDevice) (_THIS);
45 void (*LockDevice) (_THIS);
46 void (*UnlockDevice) (_THIS);
47 void (*Deinitialize) (void);
48
49 /* Some flags to push duplicate code into the core and reduce #ifdefs. */
50 int ProvidesOwnCallbackThread:1;
51 int SkipMixerLock:1;
52 int HasCaptureSupport:1;
53 int OnlyHasDefaultOutputDevice:1;
54 int OnlyHasDefaultInputDevice:1;
55 } SDL_AudioDriverImpl;
56
57
58 typedef struct SDL_AudioDriver
39 { 59 {
40 /* * * */ 60 /* * * */
41 /* The name of this audio driver */ 61 /* The name of this audio driver */
42 const char *name; 62 const char *name;
43 63
44 /* * * */ 64 /* * * */
45 /* The description of this audio driver */ 65 /* The description of this audio driver */
46 const char *desc; 66 const char *desc;
47 67
48 /* * * */ 68 SDL_AudioDriverImpl impl;
49 /* Public driver functions */ 69 } SDL_AudioDriver;
50 int (*OpenAudio) (_THIS, SDL_AudioSpec * spec);
51 void (*ThreadInit) (_THIS); /* Called by audio thread at start */
52 void (*WaitAudio) (_THIS);
53 void (*PlayAudio) (_THIS);
54 Uint8 *(*GetAudioBuf) (_THIS);
55 void (*WaitDone) (_THIS);
56 void (*CloseAudio) (_THIS);
57 70
58 /* * * */
59 /* Lock / Unlock functions added for the Mac port */
60 void (*LockAudio) (_THIS);
61 void (*UnlockAudio) (_THIS);
62 71
72 /* Define the SDL audio driver structure */
73 struct SDL_AudioDevice
74 {
63 /* * * */ 75 /* * * */
64 /* Data common to all devices */ 76 /* Data common to all devices */
65 77
66 /* The current audio specification (shared with audio thread) */ 78 /* The current audio specification (shared with audio thread) */
67 SDL_AudioSpec spec; 79 SDL_AudioSpec spec;
68 80
69 /* An audio conversion block for audio format emulation */ 81 /* An audio conversion block for audio format emulation */
70 SDL_AudioCVT convert; 82 SDL_AudioCVT convert;
71 83
72 /* Current state flags */ 84 /* Current state flags */
85 int iscapture;
73 int enabled; 86 int enabled;
74 int paused; 87 int paused;
75 int opened; 88 int opened;
76 89
77 /* Fake audio buffer for when the audio hardware is busy */ 90 /* Fake audio buffer for when the audio hardware is busy */
85 Uint32 threadid; 98 Uint32 threadid;
86 99
87 /* * * */ 100 /* * * */
88 /* Data private to this driver */ 101 /* Data private to this driver */
89 struct SDL_PrivateAudioData *hidden; 102 struct SDL_PrivateAudioData *hidden;
90
91 /* * * */
92 /* The function used to dispose of this structure */
93 void (*free) (_THIS);
94 }; 103 };
95 #undef _THIS 104 #undef _THIS
96 105
97 typedef struct AudioBootStrap 106 typedef struct AudioBootStrap
98 { 107 {
99 const char *name; 108 const char *name;
100 const char *desc; 109 const char *desc;
101 int (*available) (void); 110 int (*init) (SDL_AudioDriverImpl *impl);
102 SDL_AudioDevice *(*create) (int devindex); 111 int demand_only:1; /* 1==request explicitly, or it won't be available. */
103 } AudioBootStrap; 112 } AudioBootStrap;
104 113
105 #if SDL_AUDIO_DRIVER_BSD 114 #endif /* _SDL_sysaudio_h */
106 extern AudioBootStrap BSD_AUDIO_bootstrap;
107 #endif
108 #if SDL_AUDIO_DRIVER_OSS
109 extern AudioBootStrap DSP_bootstrap;
110 extern AudioBootStrap DMA_bootstrap;
111 #endif
112 #if SDL_AUDIO_DRIVER_ALSA
113 extern AudioBootStrap ALSA_bootstrap;
114 #endif
115 #if SDL_AUDIO_DRIVER_QNXNTO
116 extern AudioBootStrap QNXNTOAUDIO_bootstrap;
117 #endif
118 #if SDL_AUDIO_DRIVER_SUNAUDIO
119 extern AudioBootStrap SUNAUDIO_bootstrap;
120 #endif
121 #if SDL_AUDIO_DRIVER_DMEDIA
122 extern AudioBootStrap DMEDIA_bootstrap;
123 #endif
124 #if SDL_AUDIO_DRIVER_ARTS
125 extern AudioBootStrap ARTS_bootstrap;
126 #endif
127 #if SDL_AUDIO_DRIVER_ESD
128 extern AudioBootStrap ESD_bootstrap;
129 #endif
130 #if SDL_AUDIO_DRIVER_NAS
131 extern AudioBootStrap NAS_bootstrap;
132 #endif
133 #if SDL_AUDIO_DRIVER_DSOUND
134 extern AudioBootStrap DSOUND_bootstrap;
135 #endif
136 #if SDL_AUDIO_DRIVER_WAVEOUT
137 extern AudioBootStrap WAVEOUT_bootstrap;
138 #endif
139 #if SDL_AUDIO_DRIVER_PAUD
140 extern AudioBootStrap Paud_bootstrap;
141 #endif
142 #if SDL_AUDIO_DRIVER_BAUDIO
143 extern AudioBootStrap BAUDIO_bootstrap;
144 #endif
145 #if SDL_AUDIO_DRIVER_COREAUDIO
146 extern AudioBootStrap COREAUDIO_bootstrap;
147 #endif
148 #if SDL_AUDIO_DRIVER_SNDMGR
149 extern AudioBootStrap SNDMGR_bootstrap;
150 #endif
151 #if SDL_AUDIO_DRIVER_AHI
152 extern AudioBootStrap AHI_bootstrap;
153 #endif
154 #if SDL_AUDIO_DRIVER_MINT
155 extern AudioBootStrap MINTAUDIO_GSXB_bootstrap;
156 extern AudioBootStrap MINTAUDIO_MCSN_bootstrap;
157 extern AudioBootStrap MINTAUDIO_STFA_bootstrap;
158 extern AudioBootStrap MINTAUDIO_XBIOS_bootstrap;
159 extern AudioBootStrap MINTAUDIO_DMA8_bootstrap;
160 #endif
161 #if SDL_AUDIO_DRIVER_DISK
162 extern AudioBootStrap DISKAUD_bootstrap;
163 #endif
164 #if SDL_AUDIO_DRIVER_DUMMY
165 extern AudioBootStrap DUMMYAUD_bootstrap;
166 #endif
167 #if SDL_AUDIO_DRIVER_DC
168 extern AudioBootStrap DCAUD_bootstrap;
169 #endif
170 #if SDL_AUDIO_DRIVER_MMEAUDIO
171 extern AudioBootStrap MMEAUDIO_bootstrap;
172 #endif
173 #if SDL_AUDIO_DRIVER_DART
174 extern AudioBootStrap DART_bootstrap;
175 #endif
176 115
177 /* This is the current audio device */
178 extern SDL_AudioDevice *current_audio;
179
180 #endif /* _SDL_sysaudio_h */
181 /* vi: set ts=4 sw=4 expandtab: */ 116 /* vi: set ts=4 sw=4 expandtab: */