Sweden-Number/dlls/dsound/propset.c

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/* DirectSound
*
* Copyright 1998 Marcus Meissner
* Copyright 1998 Rob Riggs
* Copyright 2000-2002 TransGaming Technologies, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include <stdarg.h>
#define COBJMACROS
#define NONAMELESSUNION
#include "windef.h"
#include "winbase.h"
#include "winuser.h"
#include "mmsystem.h"
#include "winnls.h"
#include "vfwmsgs.h"
#include "mmddk.h"
#include "wine/debug.h"
#include "dsound.h"
#include "dsound_private.h"
#include "dsconf.h"
#include "ksmedia.h"
#include "propkey.h"
#include "devpkey.h"
WINE_DEFAULT_DEBUG_CHANNEL(dsound);
static WCHAR wInterface[] = { 'I','n','t','e','r','f','a','c','e',0 };
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typedef struct IKsPrivatePropertySetImpl
{
IKsPropertySet IKsPropertySet_iface;
LONG ref;
} IKsPrivatePropertySetImpl;
static IKsPrivatePropertySetImpl *impl_from_IKsPropertySet(IKsPropertySet *iface)
{
return CONTAINING_RECORD(iface, IKsPrivatePropertySetImpl, IKsPropertySet_iface);
}
/*******************************************************************************
* IKsPrivatePropertySet
*/
/* IUnknown methods */
static HRESULT WINAPI IKsPrivatePropertySetImpl_QueryInterface(
IKsPropertySet *iface, REFIID riid, void **ppobj)
{
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IKsPrivatePropertySetImpl *This = impl_from_IKsPropertySet(iface);
TRACE("(%p,%s,%p)\n",This,debugstr_guid(riid),ppobj);
if (IsEqualIID(riid, &IID_IUnknown) ||
IsEqualIID(riid, &IID_IKsPropertySet)) {
*ppobj = iface;
IKsPropertySet_AddRef(iface);
return S_OK;
}
*ppobj = NULL;
return E_NOINTERFACE;
}
static ULONG WINAPI IKsPrivatePropertySetImpl_AddRef(LPKSPROPERTYSET iface)
{
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IKsPrivatePropertySetImpl *This = impl_from_IKsPropertySet(iface);
ULONG ref = InterlockedIncrement(&(This->ref));
TRACE("(%p) ref %d\n", This, ref);
return ref;
}
static ULONG WINAPI IKsPrivatePropertySetImpl_Release(LPKSPROPERTYSET iface)
{
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IKsPrivatePropertySetImpl *This = impl_from_IKsPropertySet(iface);
ULONG ref = InterlockedDecrement(&(This->ref));
TRACE("(%p) ref %d\n", This, ref);
if (!ref) {
HeapFree(GetProcessHeap(), 0, This);
TRACE("(%p) released\n", This);
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}
return ref;
}
struct search_data {
const WCHAR *tgt_name;
GUID *found_guid;
};
static BOOL CALLBACK search_callback(GUID *guid, const WCHAR *desc,
const WCHAR *module, void *user)
{
struct search_data *search = user;
if(!lstrcmpW(desc, search->tgt_name)){
*search->found_guid = *guid;
return FALSE;
}
return TRUE;
}
static HRESULT DSPROPERTY_WaveDeviceMappingW(
LPVOID pPropData,
ULONG cbPropData,
PULONG pcbReturned )
{
HRESULT hr;
PDSPROPERTY_DIRECTSOUNDDEVICE_WAVEDEVICEMAPPING_W_DATA ppd = pPropData;
struct search_data search;
TRACE("(pPropData=%p,cbPropData=%d,pcbReturned=%p)\n",
pPropData,cbPropData,pcbReturned);
if (!ppd) {
WARN("invalid parameter: pPropData\n");
return DSERR_INVALIDPARAM;
}
search.tgt_name = ppd->DeviceName;
search.found_guid = &ppd->DeviceId;
if (ppd->DataFlow == DIRECTSOUNDDEVICE_DATAFLOW_RENDER)
hr = enumerate_mmdevices(eRender, DSOUND_renderer_guids,
search_callback, &search);
else if (ppd->DataFlow == DIRECTSOUNDDEVICE_DATAFLOW_CAPTURE)
hr = enumerate_mmdevices(eCapture, DSOUND_capture_guids,
search_callback, &search);
else
return DSERR_INVALIDPARAM;
if(hr != S_FALSE)
/* device was not found */
return DSERR_INVALIDPARAM;
if (pcbReturned)
*pcbReturned = cbPropData;
return DS_OK;
}
static HRESULT DSPROPERTY_WaveDeviceMappingA(
LPVOID pPropData,
ULONG cbPropData,
PULONG pcbReturned )
{
DSPROPERTY_DIRECTSOUNDDEVICE_WAVEDEVICEMAPPING_A_DATA *ppd = pPropData;
DSPROPERTY_DIRECTSOUNDDEVICE_WAVEDEVICEMAPPING_W_DATA data;
DWORD len;
HRESULT hr;
TRACE("(pPropData=%p,cbPropData=%d,pcbReturned=%p)\n",
pPropData,cbPropData,pcbReturned);
if (!ppd || !ppd->DeviceName) {
WARN("invalid parameter: ppd=%p\n", ppd);
return DSERR_INVALIDPARAM;
}
data.DataFlow = ppd->DataFlow;
len = MultiByteToWideChar(CP_ACP, 0, ppd->DeviceName, -1, NULL, 0);
data.DeviceName = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
if (!data.DeviceName)
return E_OUTOFMEMORY;
MultiByteToWideChar(CP_ACP, 0, ppd->DeviceName, -1, data.DeviceName, len);
hr = DSPROPERTY_WaveDeviceMappingW(&data, cbPropData, pcbReturned);
HeapFree(GetProcessHeap(), 0, data.DeviceName);
ppd->DeviceId = data.DeviceId;
if (pcbReturned)
*pcbReturned = cbPropData;
return hr;
}
static HRESULT DSPROPERTY_DescriptionW(
LPVOID pPropData,
ULONG cbPropData,
PULONG pcbReturned )
{
PDSPROPERTY_DIRECTSOUNDDEVICE_DESCRIPTION_W_DATA ppd = pPropData;
GUID dev_guid;
IMMDevice *mmdevice;
IPropertyStore *ps;
PROPVARIANT pv;
HRESULT hr;
TRACE("pPropData=%p,cbPropData=%d,pcbReturned=%p)\n",
pPropData,cbPropData,pcbReturned);
TRACE("DeviceId=%s\n",debugstr_guid(&ppd->DeviceId));
if ( IsEqualGUID( &ppd->DeviceId , &GUID_NULL) ) {
/* default device of type specified by ppd->DataFlow */
if (ppd->DataFlow == DIRECTSOUNDDEVICE_DATAFLOW_CAPTURE) {
TRACE("DataFlow=DIRECTSOUNDDEVICE_DATAFLOW_CAPTURE\n");
ppd->DeviceId = DSDEVID_DefaultCapture;
} else if (ppd->DataFlow == DIRECTSOUNDDEVICE_DATAFLOW_RENDER) {
TRACE("DataFlow=DIRECTSOUNDDEVICE_DATAFLOW_RENDER\n");
ppd->DeviceId = DSDEVID_DefaultPlayback;
} else {
WARN("DataFlow=Unknown(%d)\n", ppd->DataFlow);
return E_PROP_ID_UNSUPPORTED;
}
}
setup_dsound_options();
GetDeviceID(&ppd->DeviceId, &dev_guid);
hr = get_mmdevice(eRender, &dev_guid, &mmdevice);
if(FAILED(hr)){
hr = get_mmdevice(eCapture, &dev_guid, &mmdevice);
if(FAILED(hr))
return hr;
}
hr = IMMDevice_OpenPropertyStore(mmdevice, STGM_READ, &ps);
if(FAILED(hr)){
IMMDevice_Release(mmdevice);
WARN("OpenPropertyStore failed: %08x\n", hr);
return hr;
}
hr = IPropertyStore_GetValue(ps,
(const PROPERTYKEY *)&DEVPKEY_Device_FriendlyName, &pv);
if(FAILED(hr)){
IPropertyStore_Release(ps);
IMMDevice_Release(mmdevice);
WARN("GetValue(FriendlyName) failed: %08x\n", hr);
return hr;
}
ppd->Description = strdupW(pv.u.pwszVal);
ppd->Module = strdupW(wine_vxd_drv);
ppd->Interface = strdupW(wInterface);
ppd->Type = DIRECTSOUNDDEVICE_TYPE_VXD;
PropVariantClear(&pv);
IPropertyStore_Release(ps);
IMMDevice_Release(mmdevice);
if (pcbReturned) {
*pcbReturned = sizeof(*ppd);
TRACE("*pcbReturned=%d\n", *pcbReturned);
}
return S_OK;
}
static
BOOL CALLBACK enum_callback(GUID *guid, const WCHAR *desc, const WCHAR *module,
void *user)
{
PDSPROPERTY_DIRECTSOUNDDEVICE_ENUMERATE_W_DATA ppd = user;
DSPROPERTY_DIRECTSOUNDDEVICE_DESCRIPTION_W_DATA data;
DWORD len;
BOOL ret;
TRACE("%s %s %s %p\n", wine_dbgstr_guid(guid), wine_dbgstr_w(desc),
wine_dbgstr_w(module), user);
if(!guid)
return TRUE;
data.DeviceId = *guid;
len = lstrlenW(module) + 1;
data.Module = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
memcpy(data.Module, module, len * sizeof(WCHAR));
len = lstrlenW(desc) + 1;
data.Description = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
memcpy(data.Description, desc, len * sizeof(WCHAR));
data.Interface = wInterface;
ret = ppd->Callback(&data, ppd->Context);
HeapFree(GetProcessHeap(), 0, data.Module);
HeapFree(GetProcessHeap(), 0, data.Description);
return ret;
}
static HRESULT DSPROPERTY_EnumerateW(
LPVOID pPropData,
ULONG cbPropData,
PULONG pcbReturned )
{
PDSPROPERTY_DIRECTSOUNDDEVICE_ENUMERATE_W_DATA ppd = pPropData;
HRESULT hr;
TRACE("(pPropData=%p,cbPropData=%d,pcbReturned=%p)\n",
pPropData,cbPropData,pcbReturned);
if (pcbReturned)
*pcbReturned = 0;
if (!ppd || !ppd->Callback)
{
WARN("Invalid ppd %p\n", ppd);
return E_PROP_ID_UNSUPPORTED;
}
hr = enumerate_mmdevices(eRender, DSOUND_renderer_guids,
enum_callback, ppd);
if(hr == S_OK)
hr = enumerate_mmdevices(eCapture, DSOUND_capture_guids,
enum_callback, ppd);
return SUCCEEDED(hr) ? DS_OK : hr;
}
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static BOOL DSPROPERTY_descWtoA(const DSPROPERTY_DIRECTSOUNDDEVICE_DESCRIPTION_W_DATA *dataW,
DSPROPERTY_DIRECTSOUNDDEVICE_DESCRIPTION_A_DATA *dataA)
{
DWORD modlen, desclen;
static char Interface[] = "Interface";
modlen = WideCharToMultiByte(CP_ACP, 0, dataW->Module, -1, NULL, 0, NULL, NULL);
desclen = WideCharToMultiByte(CP_ACP, 0, dataW->Description, -1, NULL, 0, NULL, NULL);
dataA->Type = dataW->Type;
dataA->DataFlow = dataW->DataFlow;
dataA->DeviceId = dataW->DeviceId;
dataA->WaveDeviceId = dataW->WaveDeviceId;
dataA->Interface = Interface;
dataA->Module = HeapAlloc(GetProcessHeap(), 0, modlen);
dataA->Description = HeapAlloc(GetProcessHeap(), 0, desclen);
if (!dataA->Module || !dataA->Description)
{
HeapFree(GetProcessHeap(), 0, dataA->Module);
HeapFree(GetProcessHeap(), 0, dataA->Description);
dataA->Module = dataA->Description = NULL;
return FALSE;
}
WideCharToMultiByte(CP_ACP, 0, dataW->Module, -1, dataA->Module, modlen, NULL, NULL);
WideCharToMultiByte(CP_ACP, 0, dataW->Description, -1, dataA->Description, desclen, NULL, NULL);
return TRUE;
}
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static void DSPROPERTY_descWto1(const DSPROPERTY_DIRECTSOUNDDEVICE_DESCRIPTION_W_DATA *dataW,
DSPROPERTY_DIRECTSOUNDDEVICE_DESCRIPTION_1_DATA *data1)
{
data1->DeviceId = dataW->DeviceId;
lstrcpynW(data1->ModuleW, dataW->Module, ARRAY_SIZE(data1->ModuleW));
lstrcpynW(data1->DescriptionW, dataW->Description, ARRAY_SIZE(data1->DescriptionW));
WideCharToMultiByte(CP_ACP, 0, data1->DescriptionW, -1, data1->DescriptionA, sizeof(data1->DescriptionA)-1, NULL, NULL);
WideCharToMultiByte(CP_ACP, 0, data1->ModuleW, -1, data1->ModuleA, sizeof(data1->ModuleA)-1, NULL, NULL);
data1->DescriptionA[sizeof(data1->DescriptionA)-1] = 0;
data1->ModuleA[sizeof(data1->ModuleA)-1] = 0;
data1->Type = dataW->Type;
data1->DataFlow = dataW->DataFlow;
data1->WaveDeviceId = data1->Devnode = dataW->WaveDeviceId;
}
static BOOL CALLBACK DSPROPERTY_enumWtoA(DSPROPERTY_DIRECTSOUNDDEVICE_DESCRIPTION_W_DATA *descW, void *data)
{
DSPROPERTY_DIRECTSOUNDDEVICE_DESCRIPTION_A_DATA descA;
DSPROPERTY_DIRECTSOUNDDEVICE_ENUMERATE_A_DATA *ppd = data;
BOOL ret;
ret = DSPROPERTY_descWtoA(descW, &descA);
if (!ret)
return FALSE;
ret = ppd->Callback(&descA, ppd->Context);
HeapFree(GetProcessHeap(), 0, descA.Module);
HeapFree(GetProcessHeap(), 0, descA.Description);
return ret;
}
static HRESULT DSPROPERTY_EnumerateA(
LPVOID pPropData,
ULONG cbPropData,
PULONG pcbReturned)
{
DSPROPERTY_DIRECTSOUNDDEVICE_ENUMERATE_A_DATA *ppd = pPropData;
DSPROPERTY_DIRECTSOUNDDEVICE_ENUMERATE_W_DATA data;
if (!ppd || !ppd->Callback)
{
WARN("Invalid ppd %p\n", ppd);
return E_PROP_ID_UNSUPPORTED;
}
data.Callback = DSPROPERTY_enumWtoA;
data.Context = ppd;
return DSPROPERTY_EnumerateW(&data, cbPropData, pcbReturned);
}
static BOOL CALLBACK DSPROPERTY_enumWto1(DSPROPERTY_DIRECTSOUNDDEVICE_DESCRIPTION_W_DATA *descW, void *data)
{
DSPROPERTY_DIRECTSOUNDDEVICE_DESCRIPTION_1_DATA desc1;
DSPROPERTY_DIRECTSOUNDDEVICE_ENUMERATE_1_DATA *ppd = data;
BOOL ret;
DSPROPERTY_descWto1(descW, &desc1);
ret = ppd->Callback(&desc1, ppd->Context);
return ret;
}
static HRESULT DSPROPERTY_Enumerate1(
LPVOID pPropData,
ULONG cbPropData,
PULONG pcbReturned)
{
DSPROPERTY_DIRECTSOUNDDEVICE_ENUMERATE_1_DATA *ppd = pPropData;
DSPROPERTY_DIRECTSOUNDDEVICE_ENUMERATE_W_DATA data;
if (!ppd || !ppd->Callback)
{
WARN("Invalid ppd %p\n", ppd);
return E_PROP_ID_UNSUPPORTED;
}
data.Callback = DSPROPERTY_enumWto1;
data.Context = ppd;
return DSPROPERTY_EnumerateW(&data, cbPropData, pcbReturned);
}
static HRESULT DSPROPERTY_DescriptionA(
LPVOID pPropData,
ULONG cbPropData,
PULONG pcbReturned)
{
DSPROPERTY_DIRECTSOUNDDEVICE_DESCRIPTION_W_DATA data;
DSPROPERTY_DIRECTSOUNDDEVICE_DESCRIPTION_A_DATA *ppd = pPropData;
HRESULT hr;
if (pcbReturned)
*pcbReturned = sizeof(*ppd);
if (!pPropData)
return S_OK;
data.DeviceId = ppd->DeviceId;
data.DataFlow = ppd->DataFlow;
hr = DSPROPERTY_DescriptionW(&data, sizeof(data), NULL);
if (FAILED(hr))
return hr;
if (!DSPROPERTY_descWtoA(&data, ppd))
hr = E_OUTOFMEMORY;
HeapFree(GetProcessHeap(), 0, data.Description);
HeapFree(GetProcessHeap(), 0, data.Module);
HeapFree(GetProcessHeap(), 0, data.Interface);
return hr;
}
static HRESULT DSPROPERTY_Description1(
LPVOID pPropData,
ULONG cbPropData,
PULONG pcbReturned)
{
DSPROPERTY_DIRECTSOUNDDEVICE_DESCRIPTION_W_DATA data;
DSPROPERTY_DIRECTSOUNDDEVICE_DESCRIPTION_1_DATA *ppd = pPropData;
HRESULT hr;
if (pcbReturned)
*pcbReturned = sizeof(*ppd);
if (!pPropData)
return S_OK;
data.DeviceId = ppd->DeviceId;
data.DataFlow = ppd->DataFlow;
hr = DSPROPERTY_DescriptionW(&data, sizeof(data), NULL);
if (FAILED(hr))
return hr;
DSPROPERTY_descWto1(&data, ppd);
HeapFree(GetProcessHeap(), 0, data.Description);
HeapFree(GetProcessHeap(), 0, data.Module);
HeapFree(GetProcessHeap(), 0, data.Interface);
return hr;
}
static HRESULT WINAPI IKsPrivatePropertySetImpl_Get(
LPKSPROPERTYSET iface,
REFGUID guidPropSet,
ULONG dwPropID,
LPVOID pInstanceData,
ULONG cbInstanceData,
LPVOID pPropData,
ULONG cbPropData,
PULONG pcbReturned )
{
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IKsPrivatePropertySetImpl *This = impl_from_IKsPropertySet(iface);
TRACE("(iface=%p,guidPropSet=%s,dwPropID=%d,pInstanceData=%p,cbInstanceData=%d,pPropData=%p,cbPropData=%d,pcbReturned=%p)\n",
This,debugstr_guid(guidPropSet),dwPropID,pInstanceData,cbInstanceData,pPropData,cbPropData,pcbReturned);
if ( IsEqualGUID( &DSPROPSETID_DirectSoundDevice, guidPropSet) ) {
switch (dwPropID) {
case DSPROPERTY_DIRECTSOUNDDEVICE_WAVEDEVICEMAPPING_A:
return DSPROPERTY_WaveDeviceMappingA(pPropData,cbPropData,pcbReturned);
case DSPROPERTY_DIRECTSOUNDDEVICE_DESCRIPTION_1:
return DSPROPERTY_Description1(pPropData,cbPropData,pcbReturned);
case DSPROPERTY_DIRECTSOUNDDEVICE_ENUMERATE_1:
return DSPROPERTY_Enumerate1(pPropData,cbPropData,pcbReturned);
case DSPROPERTY_DIRECTSOUNDDEVICE_WAVEDEVICEMAPPING_W:
return DSPROPERTY_WaveDeviceMappingW(pPropData,cbPropData,pcbReturned);
case DSPROPERTY_DIRECTSOUNDDEVICE_DESCRIPTION_A:
return DSPROPERTY_DescriptionA(pPropData,cbPropData,pcbReturned);
case DSPROPERTY_DIRECTSOUNDDEVICE_DESCRIPTION_W:
return DSPROPERTY_DescriptionW(pPropData,cbPropData,pcbReturned);
case DSPROPERTY_DIRECTSOUNDDEVICE_ENUMERATE_A:
return DSPROPERTY_EnumerateA(pPropData,cbPropData,pcbReturned);
case DSPROPERTY_DIRECTSOUNDDEVICE_ENUMERATE_W:
return DSPROPERTY_EnumerateW(pPropData,cbPropData,pcbReturned);
default:
FIXME("unsupported ID: %d\n",dwPropID);
break;
}
} else {
FIXME("unsupported property: %s\n",debugstr_guid(guidPropSet));
}
if (pcbReturned) {
*pcbReturned = 0;
FIXME("*pcbReturned=%d\n", *pcbReturned);
}
return E_PROP_ID_UNSUPPORTED;
}
static HRESULT WINAPI IKsPrivatePropertySetImpl_Set(
LPKSPROPERTYSET iface,
REFGUID guidPropSet,
ULONG dwPropID,
LPVOID pInstanceData,
ULONG cbInstanceData,
LPVOID pPropData,
ULONG cbPropData )
{
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IKsPrivatePropertySetImpl *This = impl_from_IKsPropertySet(iface);
FIXME("(%p,%s,%d,%p,%d,%p,%d), stub!\n",This,debugstr_guid(guidPropSet),dwPropID,pInstanceData,cbInstanceData,pPropData,cbPropData);
return E_PROP_ID_UNSUPPORTED;
}
static HRESULT WINAPI IKsPrivatePropertySetImpl_QuerySupport(
LPKSPROPERTYSET iface,
REFGUID guidPropSet,
ULONG dwPropID,
PULONG pTypeSupport )
{
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IKsPrivatePropertySetImpl *This = impl_from_IKsPropertySet(iface);
TRACE("(%p,%s,%d,%p)\n",This,debugstr_guid(guidPropSet),dwPropID,pTypeSupport);
if ( IsEqualGUID( &DSPROPSETID_DirectSoundDevice, guidPropSet) ) {
switch (dwPropID) {
case DSPROPERTY_DIRECTSOUNDDEVICE_WAVEDEVICEMAPPING_A:
*pTypeSupport = KSPROPERTY_SUPPORT_GET;
return S_OK;
case DSPROPERTY_DIRECTSOUNDDEVICE_DESCRIPTION_1:
*pTypeSupport = KSPROPERTY_SUPPORT_GET;
return S_OK;
case DSPROPERTY_DIRECTSOUNDDEVICE_ENUMERATE_1:
*pTypeSupport = KSPROPERTY_SUPPORT_GET;
return S_OK;
case DSPROPERTY_DIRECTSOUNDDEVICE_WAVEDEVICEMAPPING_W:
*pTypeSupport = KSPROPERTY_SUPPORT_GET;
return S_OK;
case DSPROPERTY_DIRECTSOUNDDEVICE_DESCRIPTION_A:
*pTypeSupport = KSPROPERTY_SUPPORT_GET;
return S_OK;
case DSPROPERTY_DIRECTSOUNDDEVICE_DESCRIPTION_W:
*pTypeSupport = KSPROPERTY_SUPPORT_GET;
return S_OK;
case DSPROPERTY_DIRECTSOUNDDEVICE_ENUMERATE_A:
*pTypeSupport = KSPROPERTY_SUPPORT_GET;
return S_OK;
case DSPROPERTY_DIRECTSOUNDDEVICE_ENUMERATE_W:
*pTypeSupport = KSPROPERTY_SUPPORT_GET;
return S_OK;
default:
FIXME("unsupported ID: %d\n",dwPropID);
break;
}
} else {
FIXME("unsupported property: %s\n",debugstr_guid(guidPropSet));
}
return E_PROP_ID_UNSUPPORTED;
}
static const IKsPropertySetVtbl ikspvt = {
IKsPrivatePropertySetImpl_QueryInterface,
IKsPrivatePropertySetImpl_AddRef,
IKsPrivatePropertySetImpl_Release,
IKsPrivatePropertySetImpl_Get,
IKsPrivatePropertySetImpl_Set,
IKsPrivatePropertySetImpl_QuerySupport
};
HRESULT IKsPrivatePropertySetImpl_Create(REFIID riid, void **ppv)
{
IKsPrivatePropertySetImpl *iks;
HRESULT hr;
TRACE("(%s, %p)\n", debugstr_guid(riid), ppv);
iks = HeapAlloc(GetProcessHeap(), 0, sizeof(*iks));
if (!iks) {
WARN("out of memory\n");
return DSERR_OUTOFMEMORY;
}
iks->ref = 1;
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iks->IKsPropertySet_iface.lpVtbl = &ikspvt;
hr = IKsPropertySet_QueryInterface(&iks->IKsPropertySet_iface, riid, ppv);
IKsPropertySet_Release(&iks->IKsPropertySet_iface);
return hr;
}