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;
}
