PaError PaWinUtil_CoInitialize(PaHostApiTypeId hostApiType, PaWinUtilComInitializationResult *comInitializationResult) { HRESULT hr; comInitializationResult->state = PAWINUTIL_COM_NOT_INITIALIZED; /* If COM is already initialized CoInitialize will either return FALSE, or RPC_E_CHANGED_MODE if it was initialised in a different threading mode. In either case we shouldn't consider it an error but we need to be careful to not call CoUninitialize() if RPC_E_CHANGED_MODE was returned. */ hr = CoInitialize(0); /* use legacy-safe equivalent to CoInitializeEx(NULL, COINIT_APARTMENTTHREADED) */ if (FAILED(hr) && hr != RPC_E_CHANGED_MODE) { PA_DEBUG(("CoInitialize(0) failed. hr=%d\n", hr)); if (hr == E_OUTOFMEMORY) return paInsufficientMemory; { char *lpMsgBuf; FormatMessage( FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM, NULL, hr, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), (LPTSTR) &lpMsgBuf, 0, NULL ); PaUtil_SetLastHostErrorInfo(hostApiType, hr, lpMsgBuf); LocalFree(lpMsgBuf); } return paUnanticipatedHostError; } if (hr != RPC_E_CHANGED_MODE) { comInitializationResult->state = PAWINUTIL_COM_INITIALIZED; /* Memorize calling thread id and report warning on Uninitialize if calling thread is different as CoInitialize must match CoUninitialize in the same thread. */ comInitializationResult->initializingThreadId = GetCurrentThreadId(); } return paNoError; }
/* * Translates MacOS generated errors into PaErrors */ static PaError PaMacCore_SetError(OSStatus error, int line, int isError) { /*FIXME: still need to handle possible ComponentResult values.*/ /* unfortunately, they don't seem to be documented anywhere.*/ PaError result; const char *errorType; const char *errorText; switch (error) { case kAudioHardwareNoError: return paNoError; case kAudioHardwareNotRunningError: errorText = "Audio Hardware Not Running"; result = paInternalError; break; case kAudioHardwareUnspecifiedError: errorText = "Unspecified Audio Hardware Error"; result = paInternalError; break; case kAudioHardwareUnknownPropertyError: errorText = "Audio Hardware: Unknown Property"; result = paInternalError; break; case kAudioHardwareBadPropertySizeError: errorText = "Audio Hardware: Bad Property Size"; result = paInternalError; break; case kAudioHardwareIllegalOperationError: errorText = "Audio Hardware: Illegal Operation"; result = paInternalError; break; case kAudioHardwareBadDeviceError: errorText = "Audio Hardware: Bad Device"; result = paInvalidDevice; break; case kAudioHardwareBadStreamError: errorText = "Audio Hardware: BadStream"; result = paBadStreamPtr; break; case kAudioHardwareUnsupportedOperationError: errorText = "Audio Hardware: Unsupported Operation"; result = paInternalError; break; case kAudioDeviceUnsupportedFormatError: errorText = "Audio Device: Unsupported Format"; result = paSampleFormatNotSupported; break; case kAudioDevicePermissionsError: errorText = "Audio Device: Permissions Error"; result = paDeviceUnavailable; break; /* Audio Unit Errors: http://developer.apple.com/documentation/MusicAudio/Reference/CoreAudio/audio_units/chapter_5_section_3.html */ case kAudioUnitErr_InvalidProperty: errorText = "Audio Unit: Invalid Property"; result = paInternalError; break; case kAudioUnitErr_InvalidParameter: errorText = "Audio Unit: Invalid Parameter"; result = paInternalError; break; case kAudioUnitErr_NoConnection: errorText = "Audio Unit: No Connection"; result = paInternalError; break; case kAudioUnitErr_FailedInitialization: errorText = "Audio Unit: Initialization Failed"; result = paInternalError; break; case kAudioUnitErr_TooManyFramesToProcess: errorText = "Audio Unit: Too Many Frames"; result = paInternalError; break; case kAudioUnitErr_IllegalInstrument: errorText = "Audio Unit: Illegal Instrument"; result = paInternalError; break; case kAudioUnitErr_InstrumentTypeNotFound: errorText = "Audio Unit: Instrument Type Not Found"; result = paInternalError; break; case kAudioUnitErr_InvalidFile: errorText = "Audio Unit: Invalid File"; result = paInternalError; break; case kAudioUnitErr_UnknownFileType: errorText = "Audio Unit: Unknown File Type"; result = paInternalError; break; case kAudioUnitErr_FileNotSpecified: errorText = "Audio Unit: File Not Specified"; result = paInternalError; break; case kAudioUnitErr_FormatNotSupported: errorText = "Audio Unit: Format Not Supported"; result = paInternalError; break; case kAudioUnitErr_Uninitialized: errorText = "Audio Unit: Unitialized"; result = paInternalError; break; case kAudioUnitErr_InvalidScope: errorText = "Audio Unit: Invalid Scope"; result = paInternalError; break; case kAudioUnitErr_PropertyNotWritable: errorText = "Audio Unit: PropertyNotWritable"; result = paInternalError; break; case kAudioUnitErr_InvalidPropertyValue: errorText = "Audio Unit: Invalid Property Value"; result = paInternalError; break; case kAudioUnitErr_PropertyNotInUse: errorText = "Audio Unit: Property Not In Use"; result = paInternalError; break; case kAudioUnitErr_Initialized: errorText = "Audio Unit: Initialized"; result = paInternalError; break; case kAudioUnitErr_InvalidOfflineRender: errorText = "Audio Unit: Invalid Offline Render"; result = paInternalError; break; case kAudioUnitErr_Unauthorized: errorText = "Audio Unit: Unauthorized"; result = paInternalError; break; case kAudioUnitErr_CannotDoInCurrentContext: errorText = "Audio Unit: cannot do in current context"; result = paInternalError; break; default: errorText = "Unknown Error"; result = paInternalError; } if (isError) errorType = "Error"; else errorType = "Warning"; if ((int)error < -99999 || (int)error > 99999) DBUG(("%s on line %d: err='%4s', msg='%s'\n", errorType, line, (const char *)&error, errorText)); else DBUG(("%s on line %d: err=%d, 0x%x, msg='%s'\n", errorType, line, (int)error, (unsigned)error, errorText)); PaUtil_SetLastHostErrorInfo( paCoreAudio, error, errorText ); return result; }