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comparison src/audio/macosx/SDL_coreaudio.c @ 3786:b70f4e9291bb SDL-ryan-multiple-audio-device

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High level now lets user select a specific audio device with an environment variable, when the app requested the default device.
author Ryan C. Gordon <icculus@icculus.org>
date Tue, 03 Oct 2006 16:02:08 +0000
parents da2ea0694d11
children 8d74a4721ca9
comparison
equal deleted inserted replaced
3785:da2ea0694d11 3786:b70f4e9291bb
221 SDL_AudioDevice *this = (SDL_AudioDevice *) inRefCon; 221 SDL_AudioDevice *this = (SDL_AudioDevice *) inRefCon;
222 AudioBuffer *ioData = &ioDataList->mBuffers[0]; 222 AudioBuffer *ioData = &ioDataList->mBuffers[0];
223 UInt32 remaining, len; 223 UInt32 remaining, len;
224 void *ptr; 224 void *ptr;
225 225
226 /*
227 * !!! FIXME: I'm not sure if you can ever have more than one
228 * buffer, or what this signifies, or what to do with it...
229 */
226 if (ioDataList->mNumberBuffers != 1) { 230 if (ioDataList->mNumberBuffers != 1) {
227 fprintf(stderr, "!!! FIXME SDL!\n");
228 return noErr; 231 return noErr;
229 } 232 }
230 233
231 /* Only do anything if audio is enabled and not paused */ 234 /* Only do anything if audio is enabled and not paused */
232 if (!this->enabled || this->paused) { 235 if (!this->enabled || this->paused) {
403 const AudioUnitElement output_bus = 0; 406 const AudioUnitElement output_bus = 0;
404 const AudioUnitElement input_bus = 1; 407 const AudioUnitElement input_bus = 1;
405 const AudioUnitElement bus = ((iscapture) ? input_bus : output_bus); 408 const AudioUnitElement bus = ((iscapture) ? input_bus : output_bus);
406 const AudioUnitScope scope = ((iscapture) ? kAudioUnitScope_Output : 409 const AudioUnitScope scope = ((iscapture) ? kAudioUnitScope_Output :
407 kAudioUnitScope_Input); 410 kAudioUnitScope_Input);
408
409 /* !!! FIXME: move something like this to higher level. */
410 if ( (devname == NULL) && (SDL_getenv("SDL_AUDIO_DEVNAME")) )
411 devname = SDL_getenv("SDL_AUDIO_DEVNAME");
412 411
413 if (!find_device_by_name(this, devname, iscapture)) { 412 if (!find_device_by_name(this, devname, iscapture)) {
414 SDL_SetError("Couldn't find requested CoreAudio device"); 413 SDL_SetError("Couldn't find requested CoreAudio device");
415 return 0; 414 return 0;
416 } 415 }