XAUDIO2_E_INVALID_CALL HRESULT 0x88960001

Question

// .h file snippet:
Microsoft::WRL::ComPtr<IXAudio2> pIXAudio2;
HRESULT hrXAudio2Create;
//
IXAudio2MasteringVoice **pMasteringVoice;
HRESULT hrXAudio2MasteringVoiceCreate;
//
// .cpp file snippet:
// returns S_OK
hrXAudio2Create = XAudio2Create(&pIXAudio2,
			0,
			XAUDIO2_DEFAULT_PROCESSOR);
//
// returns 0x88960001
hrXAudio2MasteringVoiceCreate = pIXAudio2->CreateMasteringVoice(pMasteringVoice,
			8, //XAUDIO2_DEFAULT_CHANNELS,
			XAUDIO2_DEFAULT_SAMPLERATE,
			0,
			NULL,
			NULL,
			AudioCategory_Other);

I am trying to create an XAudio2 graph in a universal app.  I am testing on the Windows Phone project first.

My attempt at trying to use the CreateMasteringVoice() method returns a 0x88960001 XAUDIO2_E_INVALID_CALL error message.

I can't figure out how to get this to return an S_OK.

Any help would be greatly appreciated.

Answer 1

Try using all default values for the parameters rather than using 8 channels or a non-standard category.

hrXAudio2MasteringVoiceCreate = pIXAudio2->CreateMasteringVoice(pMasteringVoice,
			XAUDIO2_DEFAULT_CHANNELS,
			XAUDIO2_DEFAULT_SAMPLERATE,
			0,
			NULL,
			NULL,
			AudioCategory_GameEffects);

Does that work?

BTW, you should take a look at DirectX Tool Kit for Audio.

Answer 2

This modified code worked.

// .h file snippet:
IXAudio2MasteringVoice *pMasteringVoice;
HRESULT hrXAudio2MasteringVoiceCreate;

// .cpp file snippet:
hrXAudio2MasteringVoiceCreate = pIXAudio2->CreateMasteringVoice(&pMasteringVoice);

http://msdn.microsoft.com/en-us/library/windows/desktop/ee415779(v=vs.85).aspx