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Core Audio: Fixes to runtime linking.

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This commit is contained in:
David Reid
2018-07-03 19:21:46 +10:00
parent b41e9ac34e
commit 4d954419b2
1 changed files with 29 additions and 14 deletions
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mini_al.h
+29 -14
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@@ -1242,7 +1242,7 @@ struct mal_context
mal_proc AudioObjectGetPropertyDataSize;
mal_proc AudioObjectSetPropertyData;
mal_handle hAudioToolbox;
mal_handle hAudioUnit; // Could possibly be set to AudioToolbox on later versions of macOS.
mal_proc AudioComponentFindNext;
mal_proc AudioComponentInstanceDispose;
mal_proc AudioComponentInstanceNew;
@@ -13840,23 +13840,38 @@ mal_result mal_context_init__coreaudio(mal_context* pContext)
pContext->coreaudio.AudioObjectSetPropertyData = mal_dlsym(pContext->coreaudio.hCoreAudio, "AudioObjectSetPropertyData");
pContext->coreaudio.hAudioToolbox = mal_dlopen("AudioToolbox.framework/AudioToolbox");
if (pContext->coreaudio.hAudioToolbox == NULL) {
// It looks like Apple has moved some APIs from AudioUnit into AudioToolbox on more recent versions of macOS. They are still
// defined in AudioUnit, but just in case they decided to remove them from there entirely I'm going to do implement a fallback.
// The way it'll work is that it'll first try AudioUnit, and if the required symbols are not present there we'll fall back to
// AudioToolbox.
pContext->coreaudio.hAudioUnit = mal_dlopen("AudioUnit.framework/AudioUnit");
if (pContext->coreaudio.hAudioUnit == NULL) {
mal_dlclose(pContext->coreaudio.hCoreAudio);
mal_dlclose(pContext->coreaudio.hCoreFoundation);
return MAL_API_NOT_FOUND;
}
pContext->coreaudio.AudioComponentFindNext = mal_dlsym(pContext->coreaudio.hAudioToolbox, "AudioComponentFindNext");
pContext->coreaudio.AudioComponentInstanceDispose = mal_dlsym(pContext->coreaudio.hAudioToolbox, "AudioComponentInstanceDispose");
pContext->coreaudio.AudioComponentInstanceNew = mal_dlsym(pContext->coreaudio.hAudioToolbox, "AudioComponentInstanceNew");
pContext->coreaudio.AudioOutputUnitStart = mal_dlsym(pContext->coreaudio.hAudioToolbox, "AudioOutputUnitStart");
pContext->coreaudio.AudioOutputUnitStop = mal_dlsym(pContext->coreaudio.hAudioToolbox, "AudioOutputUnitStop");
pContext->coreaudio.AudioUnitAddPropertyListener = mal_dlsym(pContext->coreaudio.hAudioToolbox, "AudioUnitAddPropertyListener");
pContext->coreaudio.AudioUnitGetProperty = mal_dlsym(pContext->coreaudio.hAudioToolbox, "AudioUnitGetProperty");
pContext->coreaudio.AudioUnitSetProperty = mal_dlsym(pContext->coreaudio.hAudioToolbox, "AudioUnitSetProperty");
pContext->coreaudio.AudioUnitInitialize = mal_dlsym(pContext->coreaudio.hAudioToolbox, "AudioUnitInitialize");
pContext->coreaudio.AudioUnitRender = mal_dlsym(pContext->coreaudio.hAudioToolbox, "AudioUnitRender");
if (mal_dlsym(pContext->coreaudio.hAudioUnit, "AudioComponentFindNext") == NULL) {
// Couldn't find the required symbols in AudioUnit, so fall back to AudioToolbox.
mal_dlclose(pContext->coreaudio.hAudioUnit);
pContext->coreaudio.hAudioUnit = mal_dlopen("AudioToolbox.framework/AudioToolbox");
if (pContext->coreaudio.hAudioUnit == NULL) {
mal_dlclose(pContext->coreaudio.hCoreAudio);
mal_dlclose(pContext->coreaudio.hCoreFoundation);
return MAL_API_NOT_FOUND;
}
}
pContext->coreaudio.AudioComponentFindNext = mal_dlsym(pContext->coreaudio.hAudioUnit, "AudioComponentFindNext");
pContext->coreaudio.AudioComponentInstanceDispose = mal_dlsym(pContext->coreaudio.hAudioUnit, "AudioComponentInstanceDispose");
pContext->coreaudio.AudioComponentInstanceNew = mal_dlsym(pContext->coreaudio.hAudioUnit, "AudioComponentInstanceNew");
pContext->coreaudio.AudioOutputUnitStart = mal_dlsym(pContext->coreaudio.hAudioUnit, "AudioOutputUnitStart");
pContext->coreaudio.AudioOutputUnitStop = mal_dlsym(pContext->coreaudio.hAudioUnit, "AudioOutputUnitStop");
pContext->coreaudio.AudioUnitAddPropertyListener = mal_dlsym(pContext->coreaudio.hAudioUnit, "AudioUnitAddPropertyListener");
pContext->coreaudio.AudioUnitGetProperty = mal_dlsym(pContext->coreaudio.hAudioUnit, "AudioUnitGetProperty");
pContext->coreaudio.AudioUnitSetProperty = mal_dlsym(pContext->coreaudio.hAudioUnit, "AudioUnitSetProperty");
pContext->coreaudio.AudioUnitInitialize = mal_dlsym(pContext->coreaudio.hAudioUnit, "AudioUnitInitialize");
pContext->coreaudio.AudioUnitRender = mal_dlsym(pContext->coreaudio.hAudioUnit, "AudioUnitRender");
#else
pContext->coreaudio.CFStringGetCString = (mal_proc)CFStringGetCString;
@@ -13891,7 +13906,7 @@ mal_result mal_context_uninit__coreaudio(mal_context* pContext)
mal_assert(pContext->backend == mal_backend_coreaudio);
#if !defined(MAL_NO_RUNTIME_LINKING) && !defined(MAL_APPLE_MOBILE)
mal_dlclose(pContext->coreaudio.hAudioToolbox);
mal_dlclose(pContext->coreaudio.hAudioUnit);
mal_dlclose(pContext->coreaudio.hCoreAudio);
mal_dlclose(pContext->coreaudio.hCoreFoundation);
#endif