dlls/dmusic/dmusic.c - wine - Git at Google

 /* IDirectMusic8 Implementation
  *
  * Copyright (C) 2003-2004 Rok Mandeljc
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
  * the Free Software Foundation; either version 2 of the License, or
  * (at your option) any later version.
  *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU Library General Public License for more details.
  *
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
  */
 #include "dmusic_private.h"

 WINE_DEFAULT_DEBUG_CHANNEL(dmusic);

 /* IDirectMusic8Impl IUnknown part: */
 HRESULT WINAPI IDirectMusic8Impl_QueryInterface (LPDIRECTMUSIC8 iface, REFIID riid, LPVOID *ppobj) {
 	IDirectMusic8Impl *This = (IDirectMusic8Impl *)iface;
 	TRACE("(%p, %s, %p)\n", This, debugstr_dmguid(riid), ppobj);

 	if (IsEqualIID (riid, &IID_IUnknown) ||
 	    IsEqualIID (riid, &IID_IDirectMusic) ||
 	    IsEqualIID (riid, &IID_IDirectMusic2) ||
 	    IsEqualIID (riid, &IID_IDirectMusic8)) {
 		IDirectMusic8Impl_AddRef(iface);
 		*ppobj = This;
 		return S_OK;
 	}

 	WARN("(%p, %s, %p): not found\n", This, debugstr_dmguid(riid), ppobj);
 	return E_NOINTERFACE;
 }

 ULONG WINAPI IDirectMusic8Impl_AddRef (LPDIRECTMUSIC8 iface) {
 	IDirectMusic8Impl *This = (IDirectMusic8Impl *)iface;
 	ULONG refCount = InterlockedIncrement(&This->ref);

 	TRACE("(%p)->(ref before=%lu)\n", This, refCount - 1);

 	DMUSIC_LockModule();

 	return refCount;
 }

 ULONG WINAPI IDirectMusic8Impl_Release (LPDIRECTMUSIC8 iface) {
 	IDirectMusic8Impl *This = (IDirectMusic8Impl *)iface;
 	ULONG refCount = InterlockedDecrement(&This->ref);

 	TRACE("(%p)->(ref before=%lu)\n", This, refCount + 1);

 	if (!refCount) {
 		HeapFree(GetProcessHeap(), 0, This);
 	}

 	DMUSIC_UnlockModule();

 	return refCount;
 }

 /* IDirectMusic8Impl IDirectMusic part: */
 HRESULT WINAPI IDirectMusic8Impl_EnumPort(LPDIRECTMUSIC8 iface, DWORD dwIndex, LPDMUS_PORTCAPS pPortCaps) {
 	IDirectMusic8Impl *This = (IDirectMusic8Impl *)iface;
 	TRACE("(%p, %ld, %p)\n", This, dwIndex, pPortCaps);
 	if (NULL == pPortCaps) { return E_POINTER; }
 	/* i guess the first port shown is always software synthesizer */
 	if (dwIndex == 0)
 	{
 		IDirectMusicSynth8* synth;
 		TRACE("enumerating 'Microsoft Software Synthesizer' port\n");
 		CoCreateInstance (&CLSID_DirectMusicSynth, NULL, CLSCTX_INPROC_SERVER, &IID_IDirectMusicSynth8, (void**)&synth);
 		IDirectMusicSynth8_GetPortCaps (synth, pPortCaps);
 		IDirectMusicSynth8_Release (synth);
 		return S_OK;
 	}

 /* it seems that the rest of devices are obtained thru dmusic32.EnumLegacyDevices...*sigh*...which is undocumented*/
 #if 0
 	int numMIDI = midiOutGetNumDevs();
 	int numWAVE = waveOutGetNumDevs();
 	int i;
 	/* then return digital sound ports */
 	for (i = 1; i <= numWAVE; i++)
 	{
 		TRACE("enumerating 'digital sound' ports\n");
 		if (i == dwIndex)
 		{
 			DirectSoundEnumerateA((LPDSENUMCALLBACKA) register_waveport, (VOID*) pPortCaps);
 			return S_OK;
 		}
 	}
 	/* finally, list all *real* MIDI ports*/
 	for (i = numWAVE + 1; i <= numWAVE + numMIDI; i++)
 	{
 		TRACE("enumerating 'real MIDI' ports\n");
 		if (i == dwIndex)
 			FIXME("Found MIDI port, but *real* MIDI ports not supported yet\n");
 	}
 #endif
 	return S_FALSE;
 }

 HRESULT WINAPI IDirectMusic8Impl_CreateMusicBuffer (LPDIRECTMUSIC8 iface, LPDMUS_BUFFERDESC pBufferDesc, LPDIRECTMUSICBUFFER** ppBuffer, LPUNKNOWN pUnkOuter) {
 	IDirectMusic8Impl *This = (IDirectMusic8Impl *)iface;
 	FIXME("(%p, %p, %p, %p): stub\n", This, pBufferDesc, ppBuffer, pUnkOuter);
 	return S_OK;
 }

 HRESULT WINAPI IDirectMusic8Impl_CreatePort (LPDIRECTMUSIC8 iface, REFCLSID rclsidPort, LPDMUS_PORTPARAMS pPortParams, LPDIRECTMUSICPORT* ppPort, LPUNKNOWN pUnkOuter) {
 	IDirectMusic8Impl *This = (IDirectMusic8Impl *)iface;
 	int i/*, j*/;
 	DMUS_PORTCAPS PortCaps;
 	IDirectMusicPort* pNewPort = NULL;
 	HRESULT hr = E_FAIL;

 	TRACE("(%p, %s, %p, %p, %p)\n", This, debugstr_dmguid(rclsidPort), pPortParams, ppPort, pUnkOuter);
 	ZeroMemory(&PortCaps, sizeof(DMUS_PORTCAPS));
 	PortCaps.dwSize = sizeof(DMUS_PORTCAPS);

 	for (i = 0; S_FALSE != IDirectMusic8Impl_EnumPort(iface, i, &PortCaps); i++) {
 		if (IsEqualCLSID (rclsidPort, &PortCaps.guidPort)) {
 			hr = DMUSIC_CreateDirectMusicPortImpl(&IID_IDirectMusicPort, (LPVOID*) &pNewPort, (LPUNKNOWN) This, pPortParams, &PortCaps);
 			if (FAILED(hr)) {
 			  *ppPort = (LPDIRECTMUSICPORT) NULL;
 			  return hr;
 			}
 			This->nrofports++;
 			if (!This->ppPorts) This->ppPorts = HeapAlloc(GetProcessHeap(), 0, sizeof(LPDIRECTMUSICPORT) * This->nrofports);
 			else This->ppPorts = HeapReAlloc(GetProcessHeap(), 0, This->ppPorts, sizeof(LPDIRECTMUSICPORT) * This->nrofports);
 			This->ppPorts[This->nrofports] = pNewPort;
 			*ppPort = (LPDIRECTMUSICPORT) pNewPort;
 			return S_OK;
 		}
 	}
 	/* FIXME: place correct error here */
 	return E_NOINTERFACE;
 }

 HRESULT WINAPI IDirectMusic8Impl_EnumMasterClock (LPDIRECTMUSIC8 iface, DWORD dwIndex, LPDMUS_CLOCKINFO lpClockInfo) {
 	IDirectMusic8Impl *This = (IDirectMusic8Impl *)iface;
 	FIXME("(%p, %ld, %p): stub\n", This, dwIndex, lpClockInfo);
 	return S_FALSE;
 }

 HRESULT WINAPI IDirectMusic8Impl_GetMasterClock (LPDIRECTMUSIC8 iface, LPGUID pguidClock, IReferenceClock** ppReferenceClock) {
 	IDirectMusic8Impl *This = (IDirectMusic8Impl *)iface;

 	TRACE("(%p, %p, %p)\n", This, pguidClock, ppReferenceClock);
 	if (pguidClock)
 		*pguidClock = This->pMasterClock->pClockInfo.guidClock;
 	if(ppReferenceClock)
 		*ppReferenceClock = (IReferenceClock *)This->pMasterClock;

 	return S_OK;
 }

 HRESULT WINAPI IDirectMusic8Impl_SetMasterClock (LPDIRECTMUSIC8 iface, REFGUID rguidClock) {
 	IDirectMusic8Impl *This = (IDirectMusic8Impl *)iface;
 	FIXME("(%p, %s): stub\n", This, debugstr_dmguid(rguidClock));
 	return S_OK;
 }

 HRESULT WINAPI IDirectMusic8Impl_Activate (LPDIRECTMUSIC8 iface, BOOL fEnable) {
 	IDirectMusic8Impl *This = (IDirectMusic8Impl *)iface;
 	int i;

 	FIXME("(%p, %d): stub\n", This, fEnable);
 	for (i = 0; i < This->nrofports; i++) {
             IDirectMusicPortImpl_Activate(This->ppPorts[i], fEnable);
 	}

 	return S_OK;
 }

 HRESULT WINAPI IDirectMusic8Impl_GetDefaultPort (LPDIRECTMUSIC8 iface, LPGUID pguidPort) {
 	IDirectMusic8Impl *This = (IDirectMusic8Impl *)iface;
 	HKEY hkGUID;
 	DWORD returnTypeGUID, sizeOfReturnBuffer = 50;
 	char returnBuffer[51];
 	GUID defaultPortGUID;
 	WCHAR buff[51];

 	TRACE("(%p, %p)\n", This, pguidPort);
 	if ((RegOpenKeyExA(HKEY_LOCAL_MACHINE, "Software\\Microsoft\\DirectMusic\\Defaults" , 0, KEY_READ, &hkGUID) != ERROR_SUCCESS) ||
 	    (RegQueryValueExA(hkGUID, "DefaultOutputPort", NULL, &returnTypeGUID, (LPBYTE)returnBuffer, &sizeOfReturnBuffer) != ERROR_SUCCESS))
 	{
 		WARN(": registry entry missing\n" );
 		*pguidPort = CLSID_DirectMusicSynth;
 		return S_OK;
 	}
 	/* FIXME: Check return types to ensure we're interpreting data right */
 	MultiByteToWideChar(CP_ACP, 0, returnBuffer, -1, buff, sizeof(buff) / sizeof(WCHAR));
 	CLSIDFromString(buff, &defaultPortGUID);
 	*pguidPort = defaultPortGUID;

 	return S_OK;
 }

 HRESULT WINAPI IDirectMusic8Impl_SetDirectSound (LPDIRECTMUSIC8 iface, LPDIRECTSOUND pDirectSound, HWND hWnd) {
 	IDirectMusic8Impl *This = (IDirectMusic8Impl *)iface;
 	FIXME("(%p, %p, %p): stub\n", This, pDirectSound, hWnd);
 	return S_OK;
 }

 HRESULT WINAPI IDirectMusic8Impl_SetExternalMasterClock (LPDIRECTMUSIC8 iface, IReferenceClock* pClock) {
 	IDirectMusic8Impl *This = (IDirectMusic8Impl *)iface;
 	FIXME("(%p, %p): stub\n", This, pClock);
 	return S_OK;
 }

 static const IDirectMusic8Vtbl DirectMusic8_Vtbl = {
 	IDirectMusic8Impl_QueryInterface,
 	IDirectMusic8Impl_AddRef,
 	IDirectMusic8Impl_Release,
 	IDirectMusic8Impl_EnumPort,
 	IDirectMusic8Impl_CreateMusicBuffer,
 	IDirectMusic8Impl_CreatePort,
 	IDirectMusic8Impl_EnumMasterClock,
 	IDirectMusic8Impl_GetMasterClock,
 	IDirectMusic8Impl_SetMasterClock,
 	IDirectMusic8Impl_Activate,
 	IDirectMusic8Impl_GetDefaultPort,
 	IDirectMusic8Impl_SetDirectSound,
 	IDirectMusic8Impl_SetExternalMasterClock
 };

 /* helper stuff */
 void register_waveport (LPGUID lpGUID, LPCSTR lpszDesc, LPCSTR lpszDrvName, LPVOID lpContext) {
 	LPDMUS_PORTCAPS pPortCaps = (LPDMUS_PORTCAPS)lpContext;

 	pPortCaps->dwSize = sizeof(DMUS_PORTCAPS);
 	pPortCaps->dwFlags = DMUS_PC_DLS | DMUS_PC_SOFTWARESYNTH | DMUS_PC_DIRECTSOUND | DMUS_PC_DLS2 | DMUS_PC_AUDIOPATH | DMUS_PC_WAVE;
 	pPortCaps->guidPort = *lpGUID;
 	pPortCaps->dwClass = DMUS_PC_OUTPUTCLASS;
 	pPortCaps->dwType = DMUS_PORT_WINMM_DRIVER;
 	pPortCaps->dwMemorySize = DMUS_PC_SYSTEMMEMORY;
 	pPortCaps->dwMaxChannelGroups = 2;
 	pPortCaps->dwMaxVoices = -1;
 	pPortCaps->dwMaxAudioChannels = -1;
 	pPortCaps->dwEffectFlags = DMUS_EFFECT_REVERB | DMUS_EFFECT_CHORUS | DMUS_EFFECT_DELAY;
 	MultiByteToWideChar (CP_ACP, 0, lpszDesc, -1, pPortCaps->wszDescription, sizeof(pPortCaps->wszDescription)/sizeof(WCHAR));
 }

 /* for ClassFactory */
 HRESULT WINAPI DMUSIC_CreateDirectMusicImpl (LPCGUID lpcGUID, LPVOID* ppobj, LPUNKNOWN pUnkOuter) {
 	IDirectMusic8Impl *dmusic;

 	TRACE("(%p,%p,%p)\n",lpcGUID, ppobj, pUnkOuter);

 	dmusic = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(IDirectMusic8Impl));
 	if (NULL == dmusic) {
 		*ppobj = (LPDIRECTMUSIC8) NULL;
 		return E_OUTOFMEMORY;
 	}
 	dmusic->lpVtbl = &DirectMusic8_Vtbl;
 	dmusic->ref = 0; /* will be inited with QueryInterface */
 	dmusic->pMasterClock = NULL;
 	dmusic->ppPorts = NULL;
 	dmusic->nrofports = 0;
 	DMUSIC_CreateReferenceClockImpl (&IID_IReferenceClock, (LPVOID*)&dmusic->pMasterClock, NULL);

 	return IDirectMusic8Impl_QueryInterface ((LPDIRECTMUSIC8)dmusic, lpcGUID, ppobj);
 }
	/* IDirectMusic8 Implementation
	*
	* Copyright (C) 2003-2004 Rok Mandeljc
	*
	* This program is free software; you can redistribute it and/or modify
	* it under the terms of the GNU General Public License as published by
	* the Free Software Foundation; either version 2 of the License, or
	* (at your option) any later version.
	*
	* This program is distributed in the hope that it will be useful,
	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	* GNU Library General Public License for more details.
	*
	* You should have received a copy of the GNU General Public License
	* along with this program; if not, write to the Free Software
	* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
	*/
	#include "dmusic_private.h"

	WINE_DEFAULT_DEBUG_CHANNEL(dmusic);

	/* IDirectMusic8Impl IUnknown part: */
	HRESULT WINAPI IDirectMusic8Impl_QueryInterface (LPDIRECTMUSIC8 iface, REFIID riid, LPVOID *ppobj) {
	IDirectMusic8Impl This = (IDirectMusic8Impl )iface;
	TRACE("(%p, %s, %p)\n", This, debugstr_dmguid(riid), ppobj);

	if (IsEqualIID (riid, &IID_IUnknown) \|\|
	IsEqualIID (riid, &IID_IDirectMusic) \|\|
	IsEqualIID (riid, &IID_IDirectMusic2) \|\|
	IsEqualIID (riid, &IID_IDirectMusic8)) {
	IDirectMusic8Impl_AddRef(iface);
	*ppobj = This;
	return S_OK;
	}

	WARN("(%p, %s, %p): not found\n", This, debugstr_dmguid(riid), ppobj);
	return E_NOINTERFACE;
	}

	ULONG WINAPI IDirectMusic8Impl_AddRef (LPDIRECTMUSIC8 iface) {
	IDirectMusic8Impl This = (IDirectMusic8Impl )iface;
	ULONG refCount = InterlockedIncrement(&This->ref);

	TRACE("(%p)->(ref before=%lu)\n", This, refCount - 1);

	DMUSIC_LockModule();

	return refCount;
	}

	ULONG WINAPI IDirectMusic8Impl_Release (LPDIRECTMUSIC8 iface) {
	IDirectMusic8Impl This = (IDirectMusic8Impl )iface;
	ULONG refCount = InterlockedDecrement(&This->ref);

	TRACE("(%p)->(ref before=%lu)\n", This, refCount + 1);

	if (!refCount) {
	HeapFree(GetProcessHeap(), 0, This);
	}

	DMUSIC_UnlockModule();

	return refCount;
	}

	/* IDirectMusic8Impl IDirectMusic part: */
	HRESULT WINAPI IDirectMusic8Impl_EnumPort(LPDIRECTMUSIC8 iface, DWORD dwIndex, LPDMUS_PORTCAPS pPortCaps) {
	IDirectMusic8Impl This = (IDirectMusic8Impl )iface;
	TRACE("(%p, %ld, %p)\n", This, dwIndex, pPortCaps);
	if (NULL == pPortCaps) { return E_POINTER; }
	/* i guess the first port shown is always software synthesizer */
	if (dwIndex == 0)
	{
	IDirectMusicSynth8* synth;
	TRACE("enumerating 'Microsoft Software Synthesizer' port\n");
	CoCreateInstance (&CLSID_DirectMusicSynth, NULL, CLSCTX_INPROC_SERVER, &IID_IDirectMusicSynth8, (void**)&synth);
	IDirectMusicSynth8_GetPortCaps (synth, pPortCaps);
	IDirectMusicSynth8_Release (synth);
	return S_OK;
	}

	/* it seems that the rest of devices are obtained thru dmusic32.EnumLegacyDevices...sigh...which is undocumented*/
	#if 0
	int numMIDI = midiOutGetNumDevs();
	int numWAVE = waveOutGetNumDevs();
	int i;
	/* then return digital sound ports */
	for (i = 1; i <= numWAVE; i++)
	{
	TRACE("enumerating 'digital sound' ports\n");
	if (i == dwIndex)
	{
	DirectSoundEnumerateA((LPDSENUMCALLBACKA) register_waveport, (VOID*) pPortCaps);
	return S_OK;
	}
	}
	/* finally, list all real MIDI ports*/
	for (i = numWAVE + 1; i <= numWAVE + numMIDI; i++)
	{
	TRACE("enumerating 'real MIDI' ports\n");
	if (i == dwIndex)
	FIXME("Found MIDI port, but real MIDI ports not supported yet\n");
	}
	#endif
	return S_FALSE;
	}

	HRESULT WINAPI IDirectMusic8Impl_CreateMusicBuffer (LPDIRECTMUSIC8 iface, LPDMUS_BUFFERDESC pBufferDesc, LPDIRECTMUSICBUFFER** ppBuffer, LPUNKNOWN pUnkOuter) {
	IDirectMusic8Impl This = (IDirectMusic8Impl )iface;
	FIXME("(%p, %p, %p, %p): stub\n", This, pBufferDesc, ppBuffer, pUnkOuter);
	return S_OK;
	}

	HRESULT WINAPI IDirectMusic8Impl_CreatePort (LPDIRECTMUSIC8 iface, REFCLSID rclsidPort, LPDMUS_PORTPARAMS pPortParams, LPDIRECTMUSICPORT* ppPort, LPUNKNOWN pUnkOuter) {
	IDirectMusic8Impl This = (IDirectMusic8Impl )iface;
	int i/, j/;
	DMUS_PORTCAPS PortCaps;
	IDirectMusicPort* pNewPort = NULL;
	HRESULT hr = E_FAIL;

	TRACE("(%p, %s, %p, %p, %p)\n", This, debugstr_dmguid(rclsidPort), pPortParams, ppPort, pUnkOuter);
	ZeroMemory(&PortCaps, sizeof(DMUS_PORTCAPS));
	PortCaps.dwSize = sizeof(DMUS_PORTCAPS);

	for (i = 0; S_FALSE != IDirectMusic8Impl_EnumPort(iface, i, &PortCaps); i++) {
	if (IsEqualCLSID (rclsidPort, &PortCaps.guidPort)) {
	hr = DMUSIC_CreateDirectMusicPortImpl(&IID_IDirectMusicPort, (LPVOID*) &pNewPort, (LPUNKNOWN) This, pPortParams, &PortCaps);
	if (FAILED(hr)) {
	*ppPort = (LPDIRECTMUSICPORT) NULL;
	return hr;
	}
	This->nrofports++;
	if (!This->ppPorts) This->ppPorts = HeapAlloc(GetProcessHeap(), 0, sizeof(LPDIRECTMUSICPORT) * This->nrofports);
	else This->ppPorts = HeapReAlloc(GetProcessHeap(), 0, This->ppPorts, sizeof(LPDIRECTMUSICPORT) * This->nrofports);
	This->ppPorts[This->nrofports] = pNewPort;
	*ppPort = (LPDIRECTMUSICPORT) pNewPort;
	return S_OK;
	}
	}
	/* FIXME: place correct error here */
	return E_NOINTERFACE;
	}

	HRESULT WINAPI IDirectMusic8Impl_EnumMasterClock (LPDIRECTMUSIC8 iface, DWORD dwIndex, LPDMUS_CLOCKINFO lpClockInfo) {
	IDirectMusic8Impl This = (IDirectMusic8Impl )iface;
	FIXME("(%p, %ld, %p): stub\n", This, dwIndex, lpClockInfo);
	return S_FALSE;
	}

	HRESULT WINAPI IDirectMusic8Impl_GetMasterClock (LPDIRECTMUSIC8 iface, LPGUID pguidClock, IReferenceClock** ppReferenceClock) {
	IDirectMusic8Impl This = (IDirectMusic8Impl )iface;

	TRACE("(%p, %p, %p)\n", This, pguidClock, ppReferenceClock);
	if (pguidClock)
	*pguidClock = This->pMasterClock->pClockInfo.guidClock;
	if(ppReferenceClock)
	ppReferenceClock = (IReferenceClock )This->pMasterClock;

	return S_OK;
	}

	HRESULT WINAPI IDirectMusic8Impl_SetMasterClock (LPDIRECTMUSIC8 iface, REFGUID rguidClock) {
	IDirectMusic8Impl This = (IDirectMusic8Impl )iface;
	FIXME("(%p, %s): stub\n", This, debugstr_dmguid(rguidClock));
	return S_OK;
	}

	HRESULT WINAPI IDirectMusic8Impl_Activate (LPDIRECTMUSIC8 iface, BOOL fEnable) {
	IDirectMusic8Impl This = (IDirectMusic8Impl )iface;
	int i;

	FIXME("(%p, %d): stub\n", This, fEnable);
	for (i = 0; i < This->nrofports; i++) {
	IDirectMusicPortImpl_Activate(This->ppPorts[i], fEnable);
	}

	return S_OK;
	}

	HRESULT WINAPI IDirectMusic8Impl_GetDefaultPort (LPDIRECTMUSIC8 iface, LPGUID pguidPort) {
	IDirectMusic8Impl This = (IDirectMusic8Impl )iface;
	HKEY hkGUID;
	DWORD returnTypeGUID, sizeOfReturnBuffer = 50;
	char returnBuffer[51];
	GUID defaultPortGUID;
	WCHAR buff[51];

	TRACE("(%p, %p)\n", This, pguidPort);
	if ((RegOpenKeyExA(HKEY_LOCAL_MACHINE, "Software\\Microsoft\\DirectMusic\\Defaults" , 0, KEY_READ, &hkGUID) != ERROR_SUCCESS) \|\|
	(RegQueryValueExA(hkGUID, "DefaultOutputPort", NULL, &returnTypeGUID, (LPBYTE)returnBuffer, &sizeOfReturnBuffer) != ERROR_SUCCESS))
	{
	WARN(": registry entry missing\n" );
	*pguidPort = CLSID_DirectMusicSynth;
	return S_OK;
	}
	/* FIXME: Check return types to ensure we're interpreting data right */
	MultiByteToWideChar(CP_ACP, 0, returnBuffer, -1, buff, sizeof(buff) / sizeof(WCHAR));
	CLSIDFromString(buff, &defaultPortGUID);
	*pguidPort = defaultPortGUID;

	return S_OK;
	}

	HRESULT WINAPI IDirectMusic8Impl_SetDirectSound (LPDIRECTMUSIC8 iface, LPDIRECTSOUND pDirectSound, HWND hWnd) {
	IDirectMusic8Impl This = (IDirectMusic8Impl )iface;
	FIXME("(%p, %p, %p): stub\n", This, pDirectSound, hWnd);
	return S_OK;
	}

	HRESULT WINAPI IDirectMusic8Impl_SetExternalMasterClock (LPDIRECTMUSIC8 iface, IReferenceClock* pClock) {
	IDirectMusic8Impl This = (IDirectMusic8Impl )iface;
	FIXME("(%p, %p): stub\n", This, pClock);
	return S_OK;
	}

	static const IDirectMusic8Vtbl DirectMusic8_Vtbl = {
	IDirectMusic8Impl_QueryInterface,
	IDirectMusic8Impl_AddRef,
	IDirectMusic8Impl_Release,
	IDirectMusic8Impl_EnumPort,
	IDirectMusic8Impl_CreateMusicBuffer,
	IDirectMusic8Impl_CreatePort,
	IDirectMusic8Impl_EnumMasterClock,
	IDirectMusic8Impl_GetMasterClock,
	IDirectMusic8Impl_SetMasterClock,
	IDirectMusic8Impl_Activate,
	IDirectMusic8Impl_GetDefaultPort,
	IDirectMusic8Impl_SetDirectSound,
	IDirectMusic8Impl_SetExternalMasterClock
	};

	/* helper stuff */
	void register_waveport (LPGUID lpGUID, LPCSTR lpszDesc, LPCSTR lpszDrvName, LPVOID lpContext) {
	LPDMUS_PORTCAPS pPortCaps = (LPDMUS_PORTCAPS)lpContext;

	pPortCaps->dwSize = sizeof(DMUS_PORTCAPS);
	pPortCaps->dwFlags = DMUS_PC_DLS \| DMUS_PC_SOFTWARESYNTH \| DMUS_PC_DIRECTSOUND \| DMUS_PC_DLS2 \| DMUS_PC_AUDIOPATH \| DMUS_PC_WAVE;
	pPortCaps->guidPort = *lpGUID;
	pPortCaps->dwClass = DMUS_PC_OUTPUTCLASS;
	pPortCaps->dwType = DMUS_PORT_WINMM_DRIVER;
	pPortCaps->dwMemorySize = DMUS_PC_SYSTEMMEMORY;
	pPortCaps->dwMaxChannelGroups = 2;
	pPortCaps->dwMaxVoices = -1;
	pPortCaps->dwMaxAudioChannels = -1;
	pPortCaps->dwEffectFlags = DMUS_EFFECT_REVERB \| DMUS_EFFECT_CHORUS \| DMUS_EFFECT_DELAY;
	MultiByteToWideChar (CP_ACP, 0, lpszDesc, -1, pPortCaps->wszDescription, sizeof(pPortCaps->wszDescription)/sizeof(WCHAR));
	}

	/* for ClassFactory */
	HRESULT WINAPI DMUSIC_CreateDirectMusicImpl (LPCGUID lpcGUID, LPVOID* ppobj, LPUNKNOWN pUnkOuter) {
	IDirectMusic8Impl *dmusic;

	TRACE("(%p,%p,%p)\n",lpcGUID, ppobj, pUnkOuter);

	dmusic = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(IDirectMusic8Impl));
	if (NULL == dmusic) {
	*ppobj = (LPDIRECTMUSIC8) NULL;
	return E_OUTOFMEMORY;
	}
	dmusic->lpVtbl = &DirectMusic8_Vtbl;
	dmusic->ref = 0; /* will be inited with QueryInterface */
	dmusic->pMasterClock = NULL;
	dmusic->ppPorts = NULL;
	dmusic->nrofports = 0;
	DMUSIC_CreateReferenceClockImpl (&IID_IReferenceClock, (LPVOID*)&dmusic->pMasterClock, NULL);

	return IDirectMusic8Impl_QueryInterface ((LPDIRECTMUSIC8)dmusic, lpcGUID, ppobj);
	}