author | Darren Alton <dalton@stevens.edu> |
Sat, 19 Jul 2008 17:37:19 +0000 | |
branch | gsoc2008_nds |
changeset 2680 | 4135aa9c5645 |
parent 2274 | aedfcdeb69b6 |
child 2698 | e1da92da346c |
permissions | -rw-r--r-- |
0 | 1 |
/* |
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SDL - Simple DirectMedia Layer |
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Copyright (C) 1997-2006 Sam Lantinga |
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This library is free software; you can redistribute it and/or |
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modify it under the terms of the GNU Lesser General Public |
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License as published by the Free Software Foundation; either |
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version 2.1 of the License, or (at your option) any later version. |
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This library is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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Lesser General Public License for more details. |
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You should have received a copy of the GNU Lesser General Public |
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License along with this library; if not, write to the Free Software |
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
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Sam Lantinga |
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slouken@libsdl.org |
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*/ |
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#include "SDL_config.h" |
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/* Allow access to a raw mixing buffer */ |
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||
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#include "SDL.h" |
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#include "SDL_audio_c.h" |
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#include "SDL_audiomem.h" |
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#include "SDL_sysaudio.h" |
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#define _THIS SDL_AudioDevice *this |
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static SDL_AudioDriver current_audio; |
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static SDL_AudioDevice *open_devices[16]; |
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/* !!! FIXME: These are wordy and unlocalized... */ |
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#define DEFAULT_OUTPUT_DEVNAME "System audio output device" |
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#define DEFAULT_INPUT_DEVNAME "System audio capture device" |
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/* |
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* Not all of these will be compiled and linked in, but it's convenient |
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* to have a complete list here and saves yet-another block of #ifdefs... |
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* Please see bootstrap[], below, for the actual #ifdef mess. |
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*/ |
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extern AudioBootStrap BSD_AUDIO_bootstrap; |
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extern AudioBootStrap DSP_bootstrap; |
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extern AudioBootStrap DMA_bootstrap; |
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extern AudioBootStrap ALSA_bootstrap; |
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extern AudioBootStrap PULSEAUDIO_bootstrap; |
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extern AudioBootStrap QNXNTOAUDIO_bootstrap; |
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extern AudioBootStrap SUNAUDIO_bootstrap; |
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extern AudioBootStrap DMEDIA_bootstrap; |
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extern AudioBootStrap ARTS_bootstrap; |
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extern AudioBootStrap ESD_bootstrap; |
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extern AudioBootStrap NAS_bootstrap; |
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extern AudioBootStrap DSOUND_bootstrap; |
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extern AudioBootStrap WINWAVEOUT_bootstrap; |
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extern AudioBootStrap PAUDIO_bootstrap; |
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extern AudioBootStrap BEOSAUDIO_bootstrap; |
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extern AudioBootStrap COREAUDIO_bootstrap; |
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extern AudioBootStrap SNDMGR_bootstrap; |
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extern AudioBootStrap MINTAUDIO_GSXB_bootstrap; |
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extern AudioBootStrap MINTAUDIO_MCSN_bootstrap; |
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extern AudioBootStrap MINTAUDIO_STFA_bootstrap; |
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extern AudioBootStrap MINTAUDIO_XBIOS_bootstrap; |
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extern AudioBootStrap MINTAUDIO_DMA8_bootstrap; |
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extern AudioBootStrap DISKAUD_bootstrap; |
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extern AudioBootStrap DUMMYAUD_bootstrap; |
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extern AudioBootStrap DCAUD_bootstrap; |
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extern AudioBootStrap MMEAUDIO_bootstrap; |
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extern AudioBootStrap DART_bootstrap; |
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extern AudioBootStrap NDSAUD_bootstrap; |
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/* Available audio drivers */ |
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static AudioBootStrap *bootstrap[] = { |
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#if SDL_AUDIO_DRIVER_BSD |
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&BSD_AUDIO_bootstrap, |
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#endif |
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#if SDL_AUDIO_DRIVER_OSS |
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&DSP_bootstrap, |
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&DMA_bootstrap, |
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#endif |
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#if SDL_AUDIO_DRIVER_ALSA |
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&ALSA_bootstrap, |
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#endif |
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#if SDL_AUDIO_DRIVER_PULSEAUDIO |
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&PULSEAUDIO_bootstrap, |
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#endif |
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#if SDL_AUDIO_DRIVER_QNXNTO |
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&QNXNTOAUDIO_bootstrap, |
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#endif |
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#if SDL_AUDIO_DRIVER_SUNAUDIO |
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&SUNAUDIO_bootstrap, |
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#endif |
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#if SDL_AUDIO_DRIVER_DMEDIA |
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&DMEDIA_bootstrap, |
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#endif |
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#if SDL_AUDIO_DRIVER_ARTS |
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&ARTS_bootstrap, |
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#endif |
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#if SDL_AUDIO_DRIVER_ESD |
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&ESD_bootstrap, |
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#endif |
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#if SDL_AUDIO_DRIVER_NAS |
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&NAS_bootstrap, |
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#endif |
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#if SDL_AUDIO_DRIVER_DSOUND |
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&DSOUND_bootstrap, |
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#endif |
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#if SDL_AUDIO_DRIVER_WINWAVEOUT |
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&WINWAVEOUT_bootstrap, |
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#endif |
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#if SDL_AUDIO_DRIVER_PAUDIO |
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&PAUDIO_bootstrap, |
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#endif |
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#if SDL_AUDIO_DRIVER_BEOSAUDIO |
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&BEOSAUDIO_bootstrap, |
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#endif |
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#if SDL_AUDIO_DRIVER_COREAUDIO |
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&COREAUDIO_bootstrap, |
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#endif |
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#if SDL_AUDIO_DRIVER_SNDMGR |
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&SNDMGR_bootstrap, |
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#endif |
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#if SDL_AUDIO_DRIVER_MINT |
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&MINTAUDIO_GSXB_bootstrap, |
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&MINTAUDIO_MCSN_bootstrap, |
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&MINTAUDIO_STFA_bootstrap, |
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&MINTAUDIO_XBIOS_bootstrap, |
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&MINTAUDIO_DMA8_bootstrap, |
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#endif |
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#if SDL_AUDIO_DRIVER_DISK |
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&DISKAUD_bootstrap, |
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#endif |
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#if SDL_AUDIO_DRIVER_DUMMY |
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&DUMMYAUD_bootstrap, |
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#endif |
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#if SDL_AUDIO_DRIVER_DC |
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&DCAUD_bootstrap, |
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#endif |
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#if SDL_AUDIO_DRIVER_MMEAUDIO |
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&MMEAUDIO_bootstrap, |
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#endif |
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#if SDL_AUDIO_DRIVER_DART |
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&DART_bootstrap, |
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#endif |
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#if SDL_AUDIO_DRIVER_NDS |
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&NDSAUD_bootstrap, |
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#endif |
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NULL |
0 | 153 |
}; |
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154 |
|
2060 | 155 |
static SDL_AudioDevice * |
156 |
get_audio_device(SDL_AudioDeviceID id) |
|
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157 |
{ |
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158 |
id--; |
2060 | 159 |
if ((id >= SDL_arraysize(open_devices)) || (open_devices[id] == NULL)) { |
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160 |
SDL_SetError("Invalid audio device ID"); |
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161 |
return NULL; |
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162 |
} |
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163 |
|
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164 |
return open_devices[id]; |
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165 |
} |
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166 |
|
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167 |
|
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168 |
/* stubs for audio drivers that don't need a specific entry point... */ |
2060 | 169 |
static int |
170 |
SDL_AudioDetectDevices_Default(int iscapture) |
|
171 |
{ |
|
172 |
return -1; |
|
173 |
} |
|
174 |
static void |
|
175 |
SDL_AudioThreadInit_Default(_THIS) |
|
176 |
{ /* no-op. */ |
|
177 |
} |
|
178 |
static void |
|
179 |
SDL_AudioWaitDevice_Default(_THIS) |
|
180 |
{ /* no-op. */ |
|
181 |
} |
|
182 |
static void |
|
183 |
SDL_AudioPlayDevice_Default(_THIS) |
|
184 |
{ /* no-op. */ |
|
185 |
} |
|
186 |
static Uint8 * |
|
187 |
SDL_AudioGetDeviceBuf_Default(_THIS) |
|
188 |
{ |
|
189 |
return NULL; |
|
190 |
} |
|
191 |
static void |
|
192 |
SDL_AudioWaitDone_Default(_THIS) |
|
193 |
{ /* no-op. */ |
|
194 |
} |
|
195 |
static void |
|
196 |
SDL_AudioCloseDevice_Default(_THIS) |
|
197 |
{ /* no-op. */ |
|
198 |
} |
|
199 |
static void |
|
200 |
SDL_AudioDeinitialize_Default(void) |
|
201 |
{ /* no-op. */ |
|
202 |
} |
|
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203 |
|
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204 |
static int |
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205 |
SDL_AudioOpenDevice_Default(_THIS, const char *devname, int iscapture) |
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206 |
{ |
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|
207 |
return 0; |
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208 |
} |
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209 |
|
2060 | 210 |
static const char * |
211 |
SDL_AudioGetDeviceName_Default(int index, int iscapture) |
|
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212 |
{ |
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213 |
SDL_SetError("No such device"); |
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214 |
return NULL; |
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215 |
} |
0 | 216 |
|
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217 |
static void |
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218 |
SDL_AudioLockDevice_Default(SDL_AudioDevice * device) |
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219 |
{ |
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220 |
if (device->thread && (SDL_ThreadID() == device->threadid)) { |
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|
221 |
return; |
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222 |
} |
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223 |
SDL_mutexP(device->mixer_lock); |
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224 |
} |
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|
225 |
|
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226 |
static void |
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227 |
SDL_AudioUnlockDevice_Default(SDL_AudioDevice * device) |
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|
228 |
{ |
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|
229 |
if (device->thread && (SDL_ThreadID() == device->threadid)) { |
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|
230 |
return; |
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|
231 |
} |
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|
232 |
SDL_mutexV(device->mixer_lock); |
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|
233 |
} |
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|
234 |
|
0 | 235 |
|
2060 | 236 |
static void |
237 |
finalize_audio_entry_points(void) |
|
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|
238 |
{ |
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|
239 |
/* |
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240 |
* Fill in stub functions for unused driver entry points. This lets us |
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|
241 |
* blindly call them without having to check for validity first. |
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|
242 |
*/ |
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|
243 |
|
2060 | 244 |
#define FILL_STUB(x) \ |
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245 |
if (current_audio.impl.x == NULL) { \ |
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246 |
current_audio.impl.x = SDL_Audio##x##_Default; \ |
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247 |
} |
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248 |
FILL_STUB(DetectDevices); |
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249 |
FILL_STUB(GetDeviceName); |
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250 |
FILL_STUB(OpenDevice); |
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251 |
FILL_STUB(ThreadInit); |
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252 |
FILL_STUB(WaitDevice); |
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253 |
FILL_STUB(PlayDevice); |
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254 |
FILL_STUB(GetDeviceBuf); |
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255 |
FILL_STUB(WaitDone); |
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256 |
FILL_STUB(CloseDevice); |
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257 |
FILL_STUB(LockDevice); |
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258 |
FILL_STUB(UnlockDevice); |
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259 |
FILL_STUB(Deinitialize); |
2060 | 260 |
#undef FILL_STUB |
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|
261 |
} |
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262 |
|
0 | 263 |
|
264 |
/* The general mixing thread function */ |
|
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|
265 |
int SDLCALL |
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|
266 |
SDL_RunAudio(void *devicep) |
0 | 267 |
{ |
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268 |
SDL_AudioDevice *device = (SDL_AudioDevice *) devicep; |
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269 |
Uint8 *stream; |
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270 |
int stream_len; |
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271 |
void *udata; |
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272 |
void (SDLCALL * fill) (void *userdata, Uint8 * stream, int len); |
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|
273 |
int silence; |
0 | 274 |
|
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|
275 |
/* Perform any thread setup */ |
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|
276 |
device->threadid = SDL_ThreadID(); |
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|
277 |
current_audio.impl.ThreadInit(device); |
0 | 278 |
|
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|
279 |
/* Set up the mixing function */ |
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|
280 |
fill = device->spec.callback; |
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|
281 |
udata = device->spec.userdata; |
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282 |
|
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|
283 |
if (device->convert.needed) { |
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|
284 |
if (device->convert.src_format == AUDIO_U8) { |
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285 |
silence = 0x80; |
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286 |
} else { |
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287 |
silence = 0; |
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288 |
} |
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289 |
stream_len = device->convert.len; |
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290 |
} else { |
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|
291 |
silence = device->spec.silence; |
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292 |
stream_len = device->spec.size; |
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293 |
} |
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Try to fill the hardware audio buffer immediately.
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294 |
|
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295 |
/* Loop, filling the audio buffers */ |
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296 |
while (device->enabled) { |
0 | 297 |
|
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|
298 |
/* Fill the current buffer with sound */ |
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|
299 |
if (device->convert.needed) { |
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|
300 |
if (device->convert.buf) { |
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301 |
stream = device->convert.buf; |
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302 |
} else { |
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303 |
continue; |
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304 |
} |
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|
305 |
} else { |
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|
306 |
stream = current_audio.impl.GetDeviceBuf(device); |
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|
307 |
if (stream == NULL) { |
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308 |
stream = device->fake_stream; |
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309 |
} |
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310 |
} |
0 | 311 |
|
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|
312 |
if (!device->paused) { |
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|
313 |
SDL_mutexP(device->mixer_lock); |
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|
314 |
(*fill) (udata, stream, stream_len); |
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|
315 |
SDL_mutexV(device->mixer_lock); |
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|
316 |
} |
0 | 317 |
|
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|
318 |
/* Convert the audio if necessary */ |
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|
319 |
if (device->convert.needed) { |
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|
320 |
SDL_ConvertAudio(&device->convert); |
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|
321 |
stream = current_audio.impl.GetDeviceBuf(device); |
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|
322 |
if (stream == NULL) { |
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|
323 |
stream = device->fake_stream; |
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|
324 |
} |
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|
325 |
SDL_memcpy(stream, device->convert.buf, device->convert.len_cvt); |
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|
326 |
} |
0 | 327 |
|
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|
328 |
/* Ready current buffer for play and change current buffer */ |
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|
329 |
if (stream != device->fake_stream) { |
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|
330 |
current_audio.impl.PlayDevice(device); |
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331 |
} |
1562 | 332 |
|
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|
333 |
/* Wait for an audio buffer to become available */ |
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|
334 |
if (stream == device->fake_stream) { |
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|
335 |
SDL_Delay((device->spec.samples * 1000) / device->spec.freq); |
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|
336 |
} else { |
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|
337 |
current_audio.impl.WaitDevice(device); |
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|
338 |
} |
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339 |
} |
1562 | 340 |
|
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|
341 |
/* Wait for the audio to drain.. */ |
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|
342 |
current_audio.impl.WaitDone(device); |
21
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|
343 |
|
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|
344 |
return (0); |
0 | 345 |
} |
346 |
||
322
fd93a09655e3
The audio lock and unlock functions are now a part of the driver.
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|
347 |
|
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3b4ce57c6215
First shot at new audio data types (int32 and float32).
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|
348 |
static SDL_AudioFormat |
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|
349 |
SDL_ParseAudioFormat(const char *string) |
1794 | 350 |
{ |
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Use SDL_strcmp(), not strcmp().
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|
351 |
#define CHECK_FMT_STRING(x) if (SDL_strcmp(string, #x) == 0) return AUDIO_##x |
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|
352 |
CHECK_FMT_STRING(U8); |
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|
353 |
CHECK_FMT_STRING(S8); |
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|
354 |
CHECK_FMT_STRING(U16LSB); |
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|
355 |
CHECK_FMT_STRING(S16LSB); |
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|
356 |
CHECK_FMT_STRING(U16MSB); |
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|
357 |
CHECK_FMT_STRING(S16MSB); |
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|
358 |
CHECK_FMT_STRING(U16SYS); |
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|
359 |
CHECK_FMT_STRING(S16SYS); |
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changeset
|
360 |
CHECK_FMT_STRING(U16); |
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|
361 |
CHECK_FMT_STRING(S16); |
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|
362 |
CHECK_FMT_STRING(S32LSB); |
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|
363 |
CHECK_FMT_STRING(S32MSB); |
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|
364 |
CHECK_FMT_STRING(S32SYS); |
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|
365 |
CHECK_FMT_STRING(S32); |
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|
366 |
CHECK_FMT_STRING(F32LSB); |
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|
367 |
CHECK_FMT_STRING(F32MSB); |
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|
368 |
CHECK_FMT_STRING(F32SYS); |
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|
369 |
CHECK_FMT_STRING(F32); |
2060 | 370 |
#undef CHECK_FMT_STRING |
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|
371 |
return 0; |
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|
372 |
} |
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|
373 |
|
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|
374 |
int |
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|
375 |
SDL_GetNumAudioDrivers(void) |
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|
376 |
{ |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff
changeset
|
377 |
return (SDL_arraysize(bootstrap) - 1); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff
changeset
|
378 |
} |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
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diff
changeset
|
379 |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff
changeset
|
380 |
const char * |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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diff
changeset
|
381 |
SDL_GetAudioDriver(int index) |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
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diff
changeset
|
382 |
{ |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1794
diff
changeset
|
383 |
if (index >= 0 && index < SDL_GetNumAudioDrivers()) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1794
diff
changeset
|
384 |
return (bootstrap[index]->name); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
385 |
} |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
386 |
return (NULL); |
1794 | 387 |
} |
388 |
||
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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diff
changeset
|
389 |
int |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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1794
diff
changeset
|
390 |
SDL_AudioInit(const char *driver_name) |
0 | 391 |
{ |
2049
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
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diff
changeset
|
392 |
int i = 0; |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
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diff
changeset
|
393 |
int initialized = 0; |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
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changeset
|
394 |
int tried_to_init = 0; |
0 | 395 |
|
2049
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
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diff
changeset
|
396 |
if (SDL_WasInit(SDL_INIT_AUDIO)) { |
2060 | 397 |
SDL_AudioQuit(); /* shutdown driver if already running. */ |
1895
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
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changeset
|
398 |
} |
0 | 399 |
|
2060 | 400 |
SDL_memset(¤t_audio, '\0', sizeof(current_audio)); |
401 |
SDL_memset(open_devices, '\0', sizeof(open_devices)); |
|
2049
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Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
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parents:
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diff
changeset
|
402 |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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diff
changeset
|
403 |
/* Select the proper audio driver */ |
1909
8f1ab2f7c722
Look at environment variables in SDL_VideoInit() and SDL_AudioInit()
Sam Lantinga <slouken@libsdl.org>
parents:
1903
diff
changeset
|
404 |
if (driver_name == NULL) { |
8f1ab2f7c722
Look at environment variables in SDL_VideoInit() and SDL_AudioInit()
Sam Lantinga <slouken@libsdl.org>
parents:
1903
diff
changeset
|
405 |
driver_name = SDL_getenv("SDL_AUDIODRIVER"); |
8f1ab2f7c722
Look at environment variables in SDL_VideoInit() and SDL_AudioInit()
Sam Lantinga <slouken@libsdl.org>
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diff
changeset
|
406 |
} |
2049
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
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changeset
|
407 |
|
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
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changeset
|
408 |
for (i = 0; (!initialized) && (bootstrap[i]); ++i) { |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
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changeset
|
409 |
/* make sure we should even try this driver before doing so... */ |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
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diff
changeset
|
410 |
const AudioBootStrap *backend = bootstrap[i]; |
2060 | 411 |
if (((driver_name) && (SDL_strcasecmp(backend->name, driver_name))) || |
412 |
((!driver_name) && (backend->demand_only))) { |
|
2049
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
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changeset
|
413 |
continue; |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
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changeset
|
414 |
} |
0 | 415 |
|
2049
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
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changeset
|
416 |
tried_to_init = 1; |
2060 | 417 |
SDL_memset(¤t_audio, 0, sizeof(current_audio)); |
2049
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
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diff
changeset
|
418 |
current_audio.name = backend->name; |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
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diff
changeset
|
419 |
current_audio.desc = backend->desc; |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
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diff
changeset
|
420 |
initialized = backend->init(¤t_audio.impl); |
1895
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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changeset
|
421 |
} |
2049
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
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parents:
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diff
changeset
|
422 |
|
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
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diff
changeset
|
423 |
if (!initialized) { |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
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diff
changeset
|
424 |
/* specific drivers will set the error message if they fail... */ |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
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diff
changeset
|
425 |
if (!tried_to_init) { |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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changeset
|
426 |
if (driver_name) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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changeset
|
427 |
SDL_SetError("%s not available", driver_name); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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changeset
|
428 |
} else { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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changeset
|
429 |
SDL_SetError("No available audio device"); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
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changeset
|
430 |
} |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
431 |
} |
2049
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
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diff
changeset
|
432 |
|
2060 | 433 |
SDL_memset(¤t_audio, 0, sizeof(current_audio)); |
434 |
return (-1); /* No driver was available, so fail. */ |
|
1895
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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parents:
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diff
changeset
|
435 |
} |
2049
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
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diff
changeset
|
436 |
|
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
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diff
changeset
|
437 |
finalize_audio_entry_points(); |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
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diff
changeset
|
438 |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
439 |
return (0); |
0 | 440 |
} |
441 |
||
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
442 |
/* |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
443 |
* Get the current audio driver name |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
444 |
*/ |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1794
diff
changeset
|
445 |
const char * |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
446 |
SDL_GetCurrentAudioDriver() |
0 | 447 |
{ |
2049
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
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diff
changeset
|
448 |
return current_audio.name; |
0 | 449 |
} |
450 |
||
2049
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
451 |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
452 |
int |
2049
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
453 |
SDL_GetNumAudioDevices(int iscapture) |
0 | 454 |
{ |
2049
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
455 |
if (!SDL_WasInit(SDL_INIT_AUDIO)) { |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
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diff
changeset
|
456 |
return -1; |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
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diff
changeset
|
457 |
} |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
458 |
if ((iscapture) && (!current_audio.impl.HasCaptureSupport)) { |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
459 |
return 0; |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
460 |
} |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
461 |
|
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
462 |
if ((iscapture) && (current_audio.impl.OnlyHasDefaultInputDevice)) { |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
463 |
return 1; |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
464 |
} |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
465 |
|
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
466 |
if ((!iscapture) && (current_audio.impl.OnlyHasDefaultOutputDevice)) { |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
467 |
return 1; |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
468 |
} |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
469 |
|
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
470 |
return current_audio.impl.DetectDevices(iscapture); |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
471 |
} |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
472 |
|
0 | 473 |
|
2049
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
474 |
const char * |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
475 |
SDL_GetAudioDeviceName(int index, int iscapture) |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
476 |
{ |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
477 |
if (!SDL_WasInit(SDL_INIT_AUDIO)) { |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
478 |
SDL_SetError("Audio subsystem is not initialized"); |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
479 |
return NULL; |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
480 |
} |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
481 |
|
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
482 |
if ((iscapture) && (!current_audio.impl.HasCaptureSupport)) { |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
483 |
SDL_SetError("No capture support"); |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
484 |
return NULL; |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1794
diff
changeset
|
485 |
} |
2049
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
486 |
|
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
487 |
if (index < 0) { |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
488 |
SDL_SetError("No such device"); |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
489 |
return NULL; |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
490 |
} |
0 | 491 |
|
2049
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
492 |
if ((iscapture) && (current_audio.impl.OnlyHasDefaultInputDevice)) { |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
493 |
return DEFAULT_INPUT_DEVNAME; |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
494 |
} |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
495 |
|
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
496 |
if ((!iscapture) && (current_audio.impl.OnlyHasDefaultOutputDevice)) { |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
497 |
return DEFAULT_OUTPUT_DEVNAME; |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1794
diff
changeset
|
498 |
} |
262
ba5363e21df8
Don't allow multiple audio opens to succeed (until SDL 1.3)
Sam Lantinga <slouken@libsdl.org>
parents:
252
diff
changeset
|
499 |
|
2049
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
500 |
return current_audio.impl.GetDeviceName(index, iscapture); |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
501 |
} |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
502 |
|
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
503 |
|
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
504 |
static void |
2060 | 505 |
close_audio_device(SDL_AudioDevice * device) |
2049
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
506 |
{ |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
507 |
device->enabled = 0; |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
508 |
if (device->thread != NULL) { |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
509 |
SDL_WaitThread(device->thread, NULL); |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
510 |
} |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
511 |
if (device->mixer_lock != NULL) { |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
512 |
SDL_DestroyMutex(device->mixer_lock); |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
513 |
} |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
514 |
if (device->fake_stream != NULL) { |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
515 |
SDL_FreeAudioMem(device->fake_stream); |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
516 |
} |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
517 |
if (device->convert.needed) { |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
518 |
SDL_FreeAudioMem(device->convert.buf); |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
519 |
} |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
520 |
if (device->opened) { |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
521 |
current_audio.impl.CloseDevice(device); |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
522 |
device->opened = 0; |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
523 |
} |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
524 |
SDL_FreeAudioMem(device); |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
525 |
} |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
526 |
|
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
527 |
|
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
528 |
/* |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
529 |
* Sanity check desired AudioSpec for SDL_OpenAudio() in (orig). |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
530 |
* Fills in a sanitized copy in (prepared). |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
531 |
* Returns non-zero if okay, zero on fatal parameters in (orig). |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
532 |
*/ |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
533 |
static int |
2060 | 534 |
prepare_audiospec(const SDL_AudioSpec * orig, SDL_AudioSpec * prepared) |
2049
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
535 |
{ |
2060 | 536 |
SDL_memcpy(prepared, orig, sizeof(SDL_AudioSpec)); |
2049
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
537 |
|
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
538 |
if (orig->callback == NULL) { |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
539 |
SDL_SetError("SDL_OpenAudio() passed a NULL callback"); |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
540 |
return 0; |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
541 |
} |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
542 |
|
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
543 |
if (orig->freq == 0) { |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
544 |
const char *env = SDL_getenv("SDL_AUDIO_FREQUENCY"); |
2060 | 545 |
if ((!env) || ((prepared->freq = SDL_atoi(env)) == 0)) { |
546 |
prepared->freq = 22050; /* a reasonable default */ |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1794
diff
changeset
|
547 |
} |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1794
diff
changeset
|
548 |
} |
2049
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
549 |
|
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
550 |
if (orig->format == 0) { |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
551 |
const char *env = SDL_getenv("SDL_AUDIO_FORMAT"); |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
552 |
if ((!env) || ((prepared->format = SDL_ParseAudioFormat(env)) == 0)) { |
2060 | 553 |
prepared->format = AUDIO_S16; /* a reasonable default */ |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1794
diff
changeset
|
554 |
} |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1794
diff
changeset
|
555 |
} |
2049
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
556 |
|
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
557 |
switch (orig->channels) { |
2060 | 558 |
case 0:{ |
559 |
const char *env = SDL_getenv("SDL_AUDIO_CHANNELS"); |
|
2141 | 560 |
if ((!env) || ((prepared->channels = (Uint8) SDL_atoi(env)) == 0)) { |
2060 | 561 |
prepared->channels = 2; /* a reasonable default */ |
562 |
} |
|
563 |
break; |
|
2049
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
564 |
} |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1794
diff
changeset
|
565 |
case 1: /* Mono */ |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1794
diff
changeset
|
566 |
case 2: /* Stereo */ |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1794
diff
changeset
|
567 |
case 4: /* surround */ |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1794
diff
changeset
|
568 |
case 6: /* surround with center and lfe */ |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1794
diff
changeset
|
569 |
break; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1794
diff
changeset
|
570 |
default: |
2049
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
571 |
SDL_SetError("Unsupported number of audio channels."); |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
572 |
return 0; |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1794
diff
changeset
|
573 |
} |
2049
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
574 |
|
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
575 |
if (orig->samples == 0) { |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
576 |
const char *env = SDL_getenv("SDL_AUDIO_SAMPLES"); |
2060 | 577 |
if ((!env) || ((prepared->samples = (Uint16) SDL_atoi(env)) == 0)) { |
2049
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
578 |
/* Pick a default of ~46 ms at desired frequency */ |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
579 |
/* !!! FIXME: remove this when the non-Po2 resampling is in. */ |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
580 |
const int samples = (prepared->freq / 1000) * 46; |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
581 |
int power2 = 1; |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
582 |
while (power2 < samples) { |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
583 |
power2 *= 2; |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
584 |
} |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
585 |
prepared->samples = power2; |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1794
diff
changeset
|
586 |
} |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1794
diff
changeset
|
587 |
} |
0 | 588 |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1794
diff
changeset
|
589 |
/* Calculate the silence and size of the audio specification */ |
2049
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
590 |
SDL_CalculateAudioSpec(prepared); |
21
75a95f82bc1f
Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
591 |
|
2049
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
592 |
return 1; |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
593 |
} |
1408
ceb5c2fec4f1
Fixed some preprocessor mangling
Sam Lantinga <slouken@libsdl.org>
parents:
1406
diff
changeset
|
594 |
|
21
75a95f82bc1f
Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
595 |
|
2049
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
596 |
static SDL_AudioDeviceID |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
597 |
open_audio_device(const char *devname, int iscapture, |
2060 | 598 |
const SDL_AudioSpec * _desired, SDL_AudioSpec * obtained, |
599 |
int min_id) |
|
2049
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
600 |
{ |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
601 |
SDL_AudioDeviceID id = 0; |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
602 |
SDL_AudioSpec desired; |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
603 |
SDL_AudioDevice *device; |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
604 |
int i = 0; |
21
75a95f82bc1f
Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
605 |
|
2049
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
606 |
if (!SDL_WasInit(SDL_INIT_AUDIO)) { |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
607 |
SDL_SetError("Audio subsystem is not initialized"); |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
608 |
return 0; |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
609 |
} |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
610 |
|
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
611 |
if ((iscapture) && (!current_audio.impl.HasCaptureSupport)) { |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
612 |
SDL_SetError("No capture support"); |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
613 |
return 0; |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
614 |
} |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
615 |
|
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
616 |
if (!prepare_audiospec(_desired, &desired)) { |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
617 |
return 0; |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
618 |
} |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
619 |
|
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
620 |
/* If app doesn't care about a specific device, let the user override. */ |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
621 |
if (devname == NULL) { |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
622 |
devname = SDL_getenv("SDL_AUDIO_DEVICE_NAME"); |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1794
diff
changeset
|
623 |
} |
21
75a95f82bc1f
Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
624 |
|
2049
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
625 |
/* |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
626 |
* Catch device names at the high level for the simple case... |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
627 |
* This lets us have a basic "device enumeration" for systems that |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
628 |
* don't have multiple devices, but makes sure the device name is |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
629 |
* always NULL when it hits the low level. |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
630 |
* |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
631 |
* Also make sure that the simple case prevents multiple simultaneous |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
632 |
* opens of the default system device. |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
633 |
*/ |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
634 |
|
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
635 |
if ((iscapture) && (current_audio.impl.OnlyHasDefaultInputDevice)) { |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
636 |
if ((devname) && (SDL_strcmp(devname, DEFAULT_INPUT_DEVNAME) != 0)) { |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
637 |
SDL_SetError("No such device"); |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
638 |
return 0; |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
639 |
} |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
640 |
devname = NULL; |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
641 |
|
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
642 |
for (i = 0; i < SDL_arraysize(open_devices); i++) { |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
643 |
if ((open_devices[i]) && (open_devices[i]->iscapture)) { |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
644 |
SDL_SetError("Audio device already open"); |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
645 |
return 0; |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
646 |
} |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
647 |
} |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
648 |
} |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
649 |
|
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
650 |
if ((!iscapture) && (current_audio.impl.OnlyHasDefaultOutputDevice)) { |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
651 |
if ((devname) && (SDL_strcmp(devname, DEFAULT_OUTPUT_DEVNAME) != 0)) { |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
652 |
SDL_SetError("No such device"); |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
653 |
return 0; |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
654 |
} |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
655 |
devname = NULL; |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
656 |
|
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
657 |
for (i = 0; i < SDL_arraysize(open_devices); i++) { |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
658 |
if ((open_devices[i]) && (!open_devices[i]->iscapture)) { |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
659 |
SDL_SetError("Audio device already open"); |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
660 |
return 0; |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
661 |
} |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
662 |
} |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
663 |
} |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
664 |
|
2060 | 665 |
device = (SDL_AudioDevice *) SDL_AllocAudioMem(sizeof(SDL_AudioDevice)); |
2049
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
666 |
if (device == NULL) { |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
667 |
SDL_OutOfMemory(); |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
668 |
return 0; |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
669 |
} |
2060 | 670 |
SDL_memset(device, '\0', sizeof(SDL_AudioDevice)); |
671 |
SDL_memcpy(&device->spec, &desired, sizeof(SDL_AudioSpec)); |
|
2049
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
672 |
device->enabled = 1; |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
673 |
device->paused = 1; |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
674 |
device->iscapture = iscapture; |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
675 |
|
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
676 |
/* Create a semaphore for locking the sound buffers */ |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
677 |
if (!current_audio.impl.SkipMixerLock) { |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
678 |
device->mixer_lock = SDL_CreateMutex(); |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
679 |
if (device->mixer_lock == NULL) { |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
680 |
close_audio_device(device); |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
681 |
SDL_SetError("Couldn't create mixer lock"); |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
682 |
return 0; |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
683 |
} |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
684 |
} |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
685 |
|
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
686 |
if (!current_audio.impl.OpenDevice(device, devname, iscapture)) { |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
687 |
close_audio_device(device); |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
688 |
return 0; |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
689 |
} |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
690 |
device->opened = 1; |
0 | 691 |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1794
diff
changeset
|
692 |
/* If the audio driver changes the buffer size, accept it */ |
2049
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
693 |
if (device->spec.samples != desired.samples) { |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
694 |
desired.samples = device->spec.samples; |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
695 |
SDL_CalculateAudioSpec(&device->spec); |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1794
diff
changeset
|
696 |
} |
0 | 697 |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1794
diff
changeset
|
698 |
/* Allocate a fake audio memory buffer */ |
2049
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
699 |
device->fake_stream = SDL_AllocAudioMem(device->spec.size); |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
700 |
if (device->fake_stream == NULL) { |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
701 |
close_audio_device(device); |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1794
diff
changeset
|
702 |
SDL_OutOfMemory(); |
2049
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
703 |
return 0; |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1794
diff
changeset
|
704 |
} |
0 | 705 |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1794
diff
changeset
|
706 |
/* See if we need to do any conversion */ |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1794
diff
changeset
|
707 |
if (obtained != NULL) { |
2049
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
708 |
SDL_memcpy(obtained, &device->spec, sizeof(SDL_AudioSpec)); |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
709 |
} else if (desired.freq != device->spec.freq || |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
710 |
desired.format != device->spec.format || |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
711 |
desired.channels != device->spec.channels) { |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1794
diff
changeset
|
712 |
/* Build an audio conversion block */ |
2049
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
713 |
if (SDL_BuildAudioCVT(&device->convert, |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
714 |
desired.format, desired.channels, |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
715 |
desired.freq, |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
716 |
device->spec.format, device->spec.channels, |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
717 |
device->spec.freq) < 0) { |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
718 |
close_audio_device(device); |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
719 |
return 0; |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1794
diff
changeset
|
720 |
} |
2049
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
721 |
if (device->convert.needed) { |
2060 | 722 |
device->convert.len = (int) (((double) desired.size) / |
723 |
device->convert.len_ratio); |
|
2053
716cf90f24a0
1.3 branch version of revision 2878.
Ryan C. Gordon <icculus@icculus.org>
parents:
2049
diff
changeset
|
724 |
|
2049
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
725 |
device->convert.buf = |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
726 |
(Uint8 *) SDL_AllocAudioMem(device->convert.len * |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
727 |
device->convert.len_mult); |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
728 |
if (device->convert.buf == NULL) { |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
729 |
close_audio_device(device); |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1794
diff
changeset
|
730 |
SDL_OutOfMemory(); |
2049
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
731 |
return 0; |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1794
diff
changeset
|
732 |
} |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1794
diff
changeset
|
733 |
} |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1794
diff
changeset
|
734 |
} |
2049
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
735 |
|
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
736 |
/* Find an available device ID and store the structure... */ |
2060 | 737 |
for (id = min_id - 1; id < SDL_arraysize(open_devices); id++) { |
2049
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
738 |
if (open_devices[id] == NULL) { |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
739 |
open_devices[id] = device; |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
740 |
break; |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
741 |
} |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
742 |
} |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
743 |
|
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
744 |
if (id == SDL_arraysize(open_devices)) { |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
745 |
SDL_SetError("Too many open audio devices"); |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
746 |
close_audio_device(device); |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
747 |
return 0; |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
748 |
} |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
749 |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1794
diff
changeset
|
750 |
/* Start the audio thread if necessary */ |
2049
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
751 |
if (!current_audio.impl.ProvidesOwnCallbackThread) { |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1794
diff
changeset
|
752 |
/* Start the audio thread */ |
2049
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
753 |
/* !!! FIXME: this is nasty. */ |
1402
d910939febfa
Use consistent identifiers for the various platforms we support.
Sam Lantinga <slouken@libsdl.org>
parents:
1379
diff
changeset
|
754 |
#if (defined(__WIN32__) && !defined(_WIN32_WCE)) && !defined(HAVE_LIBC) |
1330
450721ad5436
It's now possible to build SDL without any C runtime at all on Windows,
Sam Lantinga <slouken@libsdl.org>
parents:
1312
diff
changeset
|
755 |
#undef SDL_CreateThread |
2049
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
756 |
device->thread = SDL_CreateThread(SDL_RunAudio, device, NULL, NULL); |
1330
450721ad5436
It's now possible to build SDL without any C runtime at all on Windows,
Sam Lantinga <slouken@libsdl.org>
parents:
1312
diff
changeset
|
757 |
#else |
2049
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
758 |
device->thread = SDL_CreateThread(SDL_RunAudio, device); |
1330
450721ad5436
It's now possible to build SDL without any C runtime at all on Windows,
Sam Lantinga <slouken@libsdl.org>
parents:
1312
diff
changeset
|
759 |
#endif |
2049
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
760 |
if (device->thread == NULL) { |
2060 | 761 |
SDL_CloseAudioDevice(id + 1); |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1794
diff
changeset
|
762 |
SDL_SetError("Couldn't create audio thread"); |
2049
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
763 |
return 0; |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
764 |
} |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
765 |
} |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
766 |
|
2060 | 767 |
return id + 1; |
2049
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
768 |
} |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
769 |
|
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
770 |
|
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
771 |
int |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
772 |
SDL_OpenAudio(const SDL_AudioSpec * desired, SDL_AudioSpec * obtained) |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
773 |
{ |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
774 |
SDL_AudioDeviceID id = 0; |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
775 |
|
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
776 |
/* Start up the audio driver, if necessary. This is legacy behaviour! */ |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
777 |
if (!SDL_WasInit(SDL_INIT_AUDIO)) { |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
778 |
if (SDL_InitSubSystem(SDL_INIT_AUDIO) < 0) { |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1794
diff
changeset
|
779 |
return (-1); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1794
diff
changeset
|
780 |
} |
2049
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
781 |
} |
0 | 782 |
|
2049
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
783 |
/* SDL_OpenAudio() is legacy and can only act on Device ID #1. */ |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
784 |
if (open_devices[0] != NULL) { |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
785 |
SDL_SetError("Audio device is already opened"); |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
786 |
return (-1); |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1794
diff
changeset
|
787 |
} |
2049
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
788 |
|
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
789 |
id = open_audio_device(NULL, 0, desired, obtained, 1); |
2060 | 790 |
if (id > 1) { /* this should never happen in theory... */ |
2049
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
791 |
SDL_CloseAudioDevice(id); |
2060 | 792 |
SDL_SetError("Internal error"); /* MUST be Device ID #1! */ |
2049
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
793 |
return (-1); |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
794 |
} |
21
75a95f82bc1f
Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
795 |
|
2049
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
796 |
return ((id == 0) ? -1 : 0); |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
797 |
} |
21
75a95f82bc1f
Updated the Amiga OS port of SDL (thanks Gabriele)
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
798 |
|
2049
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
799 |
SDL_AudioDeviceID |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
800 |
SDL_OpenAudioDevice(const char *device, int iscapture, |
2060 | 801 |
const SDL_AudioSpec * desired, SDL_AudioSpec * obtained) |
2049
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
802 |
{ |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
803 |
return open_audio_device(device, iscapture, desired, obtained, 2); |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1794
diff
changeset
|
804 |
} |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1794
diff
changeset
|
805 |
|
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1794
diff
changeset
|
806 |
SDL_audiostatus |
2049
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
807 |
SDL_GetAudioDeviceStatus(SDL_AudioDeviceID devid) |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1794
diff
changeset
|
808 |
{ |
2049
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
809 |
SDL_AudioDevice *device = get_audio_device(devid); |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
810 |
SDL_audiostatus status = SDL_AUDIO_STOPPED; |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
811 |
if (device && device->enabled) { |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
812 |
if (device->paused) { |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1794
diff
changeset
|
813 |
status = SDL_AUDIO_PAUSED; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1794
diff
changeset
|
814 |
} else { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1794
diff
changeset
|
815 |
status = SDL_AUDIO_PLAYING; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1794
diff
changeset
|
816 |
} |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1794
diff
changeset
|
817 |
} |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1794
diff
changeset
|
818 |
return (status); |
0 | 819 |
} |
820 |
||
2049
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
821 |
|
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
822 |
SDL_audiostatus |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
823 |
SDL_GetAudioStatus(void) |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
824 |
{ |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
825 |
return SDL_GetAudioDeviceStatus(1); |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
826 |
} |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
827 |
|
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
828 |
void |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
829 |
SDL_PauseAudioDevice(SDL_AudioDeviceID devid, int pause_on) |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
830 |
{ |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
831 |
SDL_AudioDevice *device = get_audio_device(devid); |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
832 |
if (device) { |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
833 |
device->paused = pause_on; |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
834 |
} |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
835 |
} |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
836 |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1794
diff
changeset
|
837 |
void |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1794
diff
changeset
|
838 |
SDL_PauseAudio(int pause_on) |
0 | 839 |
{ |
2049
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
840 |
SDL_PauseAudioDevice(1, pause_on); |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
841 |
} |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
842 |
|
0 | 843 |
|
2049
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
844 |
void |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
845 |
SDL_LockAudioDevice(SDL_AudioDeviceID devid) |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
846 |
{ |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
847 |
/* Obtain a lock on the mixing buffers */ |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
848 |
SDL_AudioDevice *device = get_audio_device(devid); |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
849 |
if (device) { |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
850 |
current_audio.impl.LockDevice(device); |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1794
diff
changeset
|
851 |
} |
0 | 852 |
} |
853 |
||
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1794
diff
changeset
|
854 |
void |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1794
diff
changeset
|
855 |
SDL_LockAudio(void) |
0 | 856 |
{ |
2049
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
857 |
SDL_LockAudioDevice(1); |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
858 |
} |
0 | 859 |
|
2049
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
860 |
void |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
861 |
SDL_UnlockAudioDevice(SDL_AudioDeviceID devid) |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
862 |
{ |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1794
diff
changeset
|
863 |
/* Obtain a lock on the mixing buffers */ |
2049
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
864 |
SDL_AudioDevice *device = get_audio_device(devid); |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
865 |
if (device) { |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
866 |
current_audio.impl.UnlockDevice(device); |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1794
diff
changeset
|
867 |
} |
0 | 868 |
} |
869 |
||
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1794
diff
changeset
|
870 |
void |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1794
diff
changeset
|
871 |
SDL_UnlockAudio(void) |
0 | 872 |
{ |
2049
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
873 |
SDL_UnlockAudioDevice(1); |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
874 |
} |
0 | 875 |
|
2049
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
876 |
void |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
877 |
SDL_CloseAudioDevice(SDL_AudioDeviceID devid) |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
878 |
{ |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
879 |
SDL_AudioDevice *device = get_audio_device(devid); |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
880 |
if (device) { |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
881 |
close_audio_device(device); |
2060 | 882 |
open_devices[devid - 1] = NULL; |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1794
diff
changeset
|
883 |
} |
0 | 884 |
} |
885 |
||
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1794
diff
changeset
|
886 |
void |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1794
diff
changeset
|
887 |
SDL_CloseAudio(void) |
0 | 888 |
{ |
2049
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
889 |
SDL_CloseAudioDevice(1); |
0 | 890 |
} |
891 |
||
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1794
diff
changeset
|
892 |
void |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1794
diff
changeset
|
893 |
SDL_AudioQuit(void) |
0 | 894 |
{ |
2049
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
895 |
SDL_AudioDeviceID i; |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
896 |
for (i = 0; i < SDL_arraysize(open_devices); i++) { |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
897 |
SDL_CloseAudioDevice(i); |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
898 |
} |
0 | 899 |
|
2049
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
900 |
/* Free the driver data */ |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
901 |
current_audio.impl.Deinitialize(); |
2060 | 902 |
SDL_memset(¤t_audio, '\0', sizeof(current_audio)); |
903 |
SDL_memset(open_devices, '\0', sizeof(open_devices)); |
|
0 | 904 |
} |
905 |
||
1982
3b4ce57c6215
First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
1978
diff
changeset
|
906 |
#define NUM_FORMATS 10 |
0 | 907 |
static int format_idx; |
908 |
static int format_idx_sub; |
|
1982
3b4ce57c6215
First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
1978
diff
changeset
|
909 |
static SDL_AudioFormat format_list[NUM_FORMATS][NUM_FORMATS] = { |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1794
diff
changeset
|
910 |
{AUDIO_U8, AUDIO_S8, AUDIO_S16LSB, AUDIO_S16MSB, AUDIO_U16LSB, |
1982
3b4ce57c6215
First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
1978
diff
changeset
|
911 |
AUDIO_U16MSB, AUDIO_S32LSB, AUDIO_S32MSB, AUDIO_F32LSB, AUDIO_F32MSB}, |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1794
diff
changeset
|
912 |
{AUDIO_S8, AUDIO_U8, AUDIO_S16LSB, AUDIO_S16MSB, AUDIO_U16LSB, |
1982
3b4ce57c6215
First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
1978
diff
changeset
|
913 |
AUDIO_U16MSB, AUDIO_S32LSB, AUDIO_S32MSB, AUDIO_F32LSB, AUDIO_F32MSB}, |
3b4ce57c6215
First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
1978
diff
changeset
|
914 |
{AUDIO_S16LSB, AUDIO_S16MSB, AUDIO_U16LSB, AUDIO_U16MSB, AUDIO_S32LSB, |
3b4ce57c6215
First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
1978
diff
changeset
|
915 |
AUDIO_S32MSB, AUDIO_F32LSB, AUDIO_F32MSB, AUDIO_U8, AUDIO_S8}, |
3b4ce57c6215
First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
1978
diff
changeset
|
916 |
{AUDIO_S16MSB, AUDIO_S16LSB, AUDIO_U16MSB, AUDIO_U16LSB, AUDIO_S32MSB, |
3b4ce57c6215
First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
1978
diff
changeset
|
917 |
AUDIO_S32LSB, AUDIO_F32MSB, AUDIO_F32LSB, AUDIO_U8, AUDIO_S8}, |
3b4ce57c6215
First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
1978
diff
changeset
|
918 |
{AUDIO_U16LSB, AUDIO_U16MSB, AUDIO_S16LSB, AUDIO_S16MSB, AUDIO_S32LSB, |
3b4ce57c6215
First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
1978
diff
changeset
|
919 |
AUDIO_S32MSB, AUDIO_F32LSB, AUDIO_F32MSB, AUDIO_U8, AUDIO_S8}, |
3b4ce57c6215
First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
1978
diff
changeset
|
920 |
{AUDIO_U16MSB, AUDIO_U16LSB, AUDIO_S16MSB, AUDIO_S16LSB, AUDIO_S32MSB, |
3b4ce57c6215
First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
1978
diff
changeset
|
921 |
AUDIO_S32LSB, AUDIO_F32MSB, AUDIO_F32LSB, AUDIO_U8, AUDIO_S8}, |
1993
7a3889fc9e5d
Reordered the favored audio format list a little.
Ryan C. Gordon <icculus@icculus.org>
parents:
1982
diff
changeset
|
922 |
{AUDIO_S32LSB, AUDIO_S32MSB, AUDIO_F32LSB, AUDIO_F32MSB, AUDIO_S16LSB, |
7a3889fc9e5d
Reordered the favored audio format list a little.
Ryan C. Gordon <icculus@icculus.org>
parents:
1982
diff
changeset
|
923 |
AUDIO_S16MSB, AUDIO_U16LSB, AUDIO_U16MSB, AUDIO_U8, AUDIO_S8}, |
7a3889fc9e5d
Reordered the favored audio format list a little.
Ryan C. Gordon <icculus@icculus.org>
parents:
1982
diff
changeset
|
924 |
{AUDIO_S32MSB, AUDIO_S32LSB, AUDIO_F32MSB, AUDIO_F32LSB, AUDIO_S16MSB, |
7a3889fc9e5d
Reordered the favored audio format list a little.
Ryan C. Gordon <icculus@icculus.org>
parents:
1982
diff
changeset
|
925 |
AUDIO_S16LSB, AUDIO_U16MSB, AUDIO_U16LSB, AUDIO_U8, AUDIO_S8}, |
7a3889fc9e5d
Reordered the favored audio format list a little.
Ryan C. Gordon <icculus@icculus.org>
parents:
1982
diff
changeset
|
926 |
{AUDIO_F32LSB, AUDIO_F32MSB, AUDIO_S32LSB, AUDIO_S32MSB, AUDIO_S16LSB, |
7a3889fc9e5d
Reordered the favored audio format list a little.
Ryan C. Gordon <icculus@icculus.org>
parents:
1982
diff
changeset
|
927 |
AUDIO_S16MSB, AUDIO_U16LSB, AUDIO_U16MSB, AUDIO_U8, AUDIO_S8}, |
7a3889fc9e5d
Reordered the favored audio format list a little.
Ryan C. Gordon <icculus@icculus.org>
parents:
1982
diff
changeset
|
928 |
{AUDIO_F32MSB, AUDIO_F32LSB, AUDIO_S32MSB, AUDIO_S32LSB, AUDIO_S16MSB, |
7a3889fc9e5d
Reordered the favored audio format list a little.
Ryan C. Gordon <icculus@icculus.org>
parents:
1982
diff
changeset
|
929 |
AUDIO_S16LSB, AUDIO_U16MSB, AUDIO_U16LSB, AUDIO_U8, AUDIO_S8}, |
0 | 930 |
}; |
931 |
||
1982
3b4ce57c6215
First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
1978
diff
changeset
|
932 |
SDL_AudioFormat |
3b4ce57c6215
First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
1978
diff
changeset
|
933 |
SDL_FirstAudioFormat(SDL_AudioFormat format) |
0 | 934 |
{ |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1794
diff
changeset
|
935 |
for (format_idx = 0; format_idx < NUM_FORMATS; ++format_idx) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1794
diff
changeset
|
936 |
if (format_list[format_idx][0] == format) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1794
diff
changeset
|
937 |
break; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1794
diff
changeset
|
938 |
} |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1794
diff
changeset
|
939 |
} |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1794
diff
changeset
|
940 |
format_idx_sub = 0; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1794
diff
changeset
|
941 |
return (SDL_NextAudioFormat()); |
0 | 942 |
} |
943 |
||
1982
3b4ce57c6215
First shot at new audio data types (int32 and float32).
Ryan C. Gordon <icculus@icculus.org>
parents:
1978
diff
changeset
|
944 |
SDL_AudioFormat |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1794
diff
changeset
|
945 |
SDL_NextAudioFormat(void) |
0 | 946 |
{ |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1794
diff
changeset
|
947 |
if ((format_idx == NUM_FORMATS) || (format_idx_sub == NUM_FORMATS)) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1794
diff
changeset
|
948 |
return (0); |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1794
diff
changeset
|
949 |
} |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1794
diff
changeset
|
950 |
return (format_list[format_idx][format_idx_sub++]); |
0 | 951 |
} |
952 |
||
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1794
diff
changeset
|
953 |
void |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1794
diff
changeset
|
954 |
SDL_CalculateAudioSpec(SDL_AudioSpec * spec) |
0 | 955 |
{ |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1794
diff
changeset
|
956 |
switch (spec->format) { |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1794
diff
changeset
|
957 |
case AUDIO_U8: |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1794
diff
changeset
|
958 |
spec->silence = 0x80; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1794
diff
changeset
|
959 |
break; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1794
diff
changeset
|
960 |
default: |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1794
diff
changeset
|
961 |
spec->silence = 0x00; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1794
diff
changeset
|
962 |
break; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1794
diff
changeset
|
963 |
} |
2049
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
964 |
spec->size = SDL_AUDIO_BITSIZE(spec->format) / 8; |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1794
diff
changeset
|
965 |
spec->size *= spec->channels; |
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1794
diff
changeset
|
966 |
spec->size *= spec->samples; |
0 | 967 |
} |
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1794
diff
changeset
|
968 |
|
2049
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
969 |
|
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
970 |
/* |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
971 |
* Moved here from SDL_mixer.c, since it relies on internals of an opened |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
972 |
* audio device (and is deprecated, by the way!). |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
973 |
*/ |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
974 |
void |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
975 |
SDL_MixAudio(Uint8 * dst, const Uint8 * src, Uint32 len, int volume) |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
976 |
{ |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
977 |
/* Mix the user-level audio format */ |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
978 |
SDL_AudioDevice *device = get_audio_device(1); |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
979 |
if (device != NULL) { |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
980 |
SDL_AudioFormat format; |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
981 |
if (device->convert.needed) { |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
982 |
format = device->convert.src_format; |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
983 |
} else { |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
984 |
format = device->spec.format; |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
985 |
} |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
986 |
SDL_MixAudioFormat(dst, src, format, len, volume); |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
987 |
} |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
988 |
} |
5f6550e5184f
Merged SDL-ryan-multiple-audio-device branch r2803:2871 into the trunk.
Ryan C. Gordon <icculus@icculus.org>
parents:
2045
diff
changeset
|
989 |
|
1895
c121d94672cb
SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
parents:
1794
diff
changeset
|
990 |
/* vi: set ts=4 sw=4 expandtab: */ |