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Sweden-Number/dlls/mmdevapi/devenum.c

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/*
* Copyright 2009 Maarten Lankhorst
*
* 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
*/
#define NONAMELESSUNION
#include "config.h"
#include <stdarg.h>
#define CINTERFACE
#define COBJMACROS
#include "windef.h"
#include "winbase.h"
#include "winnls.h"
#include "winreg.h"
#include "wine/debug.h"
#include "wine/unicode.h"
#include "ole2.h"
#include "mmdeviceapi.h"
#include "dshow.h"
#include "dsound.h"
#include "audioclient.h"
#include "endpointvolume.h"
#include "audiopolicy.h"
#include "mmdevapi.h"
#include "devpkey.h"
WINE_DEFAULT_DEBUG_CHANNEL(mmdevapi);
static const WCHAR software_mmdevapi[] =
{ 'S','o','f','t','w','a','r','e','\\',
'M','i','c','r','o','s','o','f','t','\\',
'W','i','n','d','o','w','s','\\',
'C','u','r','r','e','n','t','V','e','r','s','i','o','n','\\',
'M','M','D','e','v','i','c','e','s','\\',
'A','u','d','i','o',0};
static const WCHAR reg_render[] =
{ 'R','e','n','d','e','r',0 };
static const WCHAR reg_capture[] =
{ 'C','a','p','t','u','r','e',0 };
static const WCHAR reg_devicestate[] =
{ 'D','e','v','i','c','e','S','t','a','t','e',0 };
static const WCHAR reg_properties[] =
{ 'P','r','o','p','e','r','t','i','e','s',0 };
static HKEY key_render;
static HKEY key_capture;
typedef struct MMDevPropStoreImpl
{
const IPropertyStoreVtbl *lpVtbl;
LONG ref;
MMDevice *parent;
DWORD access;
} MMDevPropStore;
typedef struct MMDevEnumImpl
{
const IMMDeviceEnumeratorVtbl *lpVtbl;
LONG ref;
} MMDevEnumImpl;
static MMDevEnumImpl *MMDevEnumerator;
static MMDevice **MMDevice_head;
static MMDevice *MMDevice_def_rec, *MMDevice_def_play;
static DWORD MMDevice_count;
static const IMMDeviceEnumeratorVtbl MMDevEnumVtbl;
static const IMMDeviceCollectionVtbl MMDevColVtbl;
static const IMMDeviceVtbl MMDeviceVtbl;
static const IPropertyStoreVtbl MMDevPropVtbl;
static const IMMEndpointVtbl MMEndpointVtbl;
typedef struct MMDevColImpl
{
const IMMDeviceCollectionVtbl *lpVtbl;
LONG ref;
EDataFlow flow;
DWORD state;
} MMDevColImpl;
typedef struct IPropertyBagImpl {
const IPropertyBagVtbl *lpVtbl;
GUID devguid;
} IPropertyBagImpl;
static const IPropertyBagVtbl PB_Vtbl;
static HRESULT MMDevPropStore_Create(MMDevice *This, DWORD access, IPropertyStore **ppv);
/* Creates or updates the state of a device
* If GUID is null, a random guid will be assigned
* and the device will be created
*/
static void MMDevice_Create(WCHAR *name, GUID *id, EDataFlow flow, DWORD state, BOOL setdefault)
{
HKEY key, root;
MMDevice *cur;
WCHAR guidstr[39];
DWORD i;
for (i = 0; i < MMDevice_count; ++i)
{
cur = MMDevice_head[i];
if (cur->flow == flow && !lstrcmpW(cur->alname, name))
{
LONG ret;
/* Same device, update state */
cur->state = state;
StringFromGUID2(&cur->devguid, guidstr, sizeof(guidstr)/sizeof(*guidstr));
ret = RegOpenKeyExW(flow == eRender ? key_render : key_capture, guidstr, 0, KEY_WRITE, &key);
if (ret == ERROR_SUCCESS)
{
RegSetValueExW(key, reg_devicestate, 0, REG_DWORD, (const BYTE*)&state, sizeof(DWORD));
RegCloseKey(key);
}
goto done;
}
}
/* No device found, allocate new one */
cur = HeapAlloc(GetProcessHeap(), 0, sizeof(*cur));
if (!cur)
return;
cur->alname = HeapAlloc(GetProcessHeap(), 0, (lstrlenW(name)+1)*sizeof(WCHAR));
if (!cur->alname)
{
HeapFree(GetProcessHeap(), 0, cur);
return;
}
lstrcpyW(cur->alname, name);
cur->lpVtbl = &MMDeviceVtbl;
cur->lpEndpointVtbl = &MMEndpointVtbl;
cur->ref = 0;
InitializeCriticalSection(&cur->crst);
cur->crst.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": MMDevice.crst");
cur->flow = flow;
cur->state = state;
if (!id)
{
id = &cur->devguid;
CoCreateGuid(id);
}
cur->devguid = *id;
StringFromGUID2(id, guidstr, sizeof(guidstr)/sizeof(*guidstr));
if (flow == eRender)
root = key_render;
else
root = key_capture;
if (!RegCreateKeyExW(root, guidstr, 0, NULL, 0, KEY_WRITE|KEY_READ, NULL, &key, NULL))
{
HKEY keyprop;
RegSetValueExW(key, reg_devicestate, 0, REG_DWORD, (const BYTE*)&state, sizeof(DWORD));
if (!RegCreateKeyExW(key, reg_properties, 0, NULL, 0, KEY_WRITE|KEY_READ, NULL, &keyprop, NULL))
{
PROPVARIANT pv;
pv.vt = VT_LPWSTR;
pv.u.pwszVal = name;
MMDevice_SetPropValue(id, flow, (const PROPERTYKEY*)&DEVPKEY_Device_FriendlyName, &pv);
MMDevice_SetPropValue(id, flow, (const PROPERTYKEY*)&DEVPKEY_Device_DeviceDesc, &pv);
RegCloseKey(keyprop);
}
RegCloseKey(key);
}
if (!MMDevice_head)
MMDevice_head = HeapAlloc(GetProcessHeap(), 0, sizeof(*MMDevice_head));
else
MMDevice_head = HeapReAlloc(GetProcessHeap(), 0, MMDevice_head, sizeof(*MMDevice_head)*(1+MMDevice_count));
MMDevice_head[MMDevice_count++] = cur;
done:
if (setdefault)
{
if (flow == eRender)
MMDevice_def_play = cur;
else
MMDevice_def_rec = cur;
}
}
static void MMDevice_Destroy(MMDevice *This)
{
DWORD i;
TRACE("Freeing %s\n", debugstr_w(This->alname));
/* Since this function is called at destruction time, reordering of the list is unimportant */
for (i = 0; i < MMDevice_count; ++i)
{
if (MMDevice_head[i] == This)
{
MMDevice_head[i] = MMDevice_head[--MMDevice_count];
break;
}
}
This->crst.DebugInfo->Spare[0] = 0;
DeleteCriticalSection(&This->crst);
HeapFree(GetProcessHeap(), 0, This->alname);
HeapFree(GetProcessHeap(), 0, This);
}
static HRESULT WINAPI MMDevice_QueryInterface(IMMDevice *iface, REFIID riid, void **ppv)
{
MMDevice *This = (MMDevice *)iface;
TRACE("(%p)->(%s,%p)\n", iface, debugstr_guid(riid), ppv);
if (!ppv)
return E_POINTER;
*ppv = NULL;
if (IsEqualIID(riid, &IID_IUnknown)
|| IsEqualIID(riid, &IID_IMMDevice))
*ppv = This;
else if (IsEqualIID(riid, &IID_IMMEndpoint))
*ppv = &This->lpEndpointVtbl;
if (*ppv)
{
IUnknown_AddRef((IUnknown*)*ppv);
return S_OK;
}
WARN("Unknown interface %s\n", debugstr_guid(riid));
return E_NOINTERFACE;
}
static ULONG WINAPI MMDevice_AddRef(IMMDevice *iface)
{
MMDevice *This = (MMDevice *)iface;
LONG ref;
ref = InterlockedIncrement(&This->ref);
TRACE("Refcount now %i\n", ref);
return ref;
}
static ULONG WINAPI MMDevice_Release(IMMDevice *iface)
{
MMDevice *This = (MMDevice *)iface;
LONG ref;
ref = InterlockedDecrement(&This->ref);
TRACE("Refcount now %i\n", ref);
return ref;
}
static HRESULT WINAPI MMDevice_Activate(IMMDevice *iface, REFIID riid, DWORD clsctx, PROPVARIANT *params, void **ppv)
{
MMDevice *This = (MMDevice *)iface;
HRESULT hr = E_NOINTERFACE;
TRACE("(%p)->(%p,%x,%p,%p)\n", This, riid, clsctx, params, ppv);
if (!ppv)
return E_POINTER;
if (IsEqualIID(riid, &IID_IAudioClient))
{
FIXME("IID_IAudioClient unsupported\n");
}
else if (IsEqualIID(riid, &IID_IAudioEndpointVolume))
{
FIXME("IID_IAudioEndpointVolume unsupported\n");
}
else if (IsEqualIID(riid, &IID_IAudioSessionManager)
|| IsEqualIID(riid, &IID_IAudioSessionManager2))
{
FIXME("IID_IAudioSessionManager unsupported\n");
}
else if (IsEqualIID(riid, &IID_IBaseFilter))
{
if (This->flow == eRender)
hr = CoCreateInstance(&CLSID_DSoundRender, NULL, clsctx, riid, ppv);
else
ERR("Not supported for recording?\n");
if (SUCCEEDED(hr))
{
IPersistPropertyBag *ppb;
hr = IUnknown_QueryInterface((IUnknown*)*ppv, &IID_IPersistPropertyBag, (void*)&ppb);
if (SUCCEEDED(hr))
{
/* ::Load cannot assume the interface stays alive after the function returns,
* so just create the interface on the stack, saves a lot of complicated code */
IPropertyBagImpl bag = { &PB_Vtbl, This->devguid };
hr = IPersistPropertyBag_Load(ppb, (IPropertyBag*)&bag, NULL);
IPersistPropertyBag_Release(ppb);
if (FAILED(hr))
IBaseFilter_Release((IBaseFilter*)*ppv);
}
else
{
FIXME("Wine doesn't support IPersistPropertyBag on DSoundRender yet, ignoring..\n");
hr = S_OK;
}
}
}
else if (IsEqualIID(riid, &IID_IDeviceTopology))
{
FIXME("IID_IDeviceTopology unsupported\n");
}
else if (IsEqualIID(riid, &IID_IDirectSound)
|| IsEqualIID(riid, &IID_IDirectSound8))
{
if (This->flow == eRender)
hr = CoCreateInstance(&CLSID_DirectSound8, NULL, clsctx, riid, ppv);
if (SUCCEEDED(hr))
{
hr = IDirectSound_Initialize((IDirectSound*)*ppv, &This->devguid);
if (FAILED(hr))
IDirectSound_Release((IDirectSound*)*ppv);
}
}
else if (IsEqualIID(riid, &IID_IDirectSoundCapture)
|| IsEqualIID(riid, &IID_IDirectSoundCapture8))
{
if (This->flow == eCapture)
hr = CoCreateInstance(&CLSID_DirectSoundCapture8, NULL, clsctx, riid, ppv);
if (SUCCEEDED(hr))
{
hr = IDirectSoundCapture_Initialize((IDirectSoundCapture*)*ppv, &This->devguid);
if (FAILED(hr))
IDirectSoundCapture_Release((IDirectSoundCapture*)*ppv);
}
}
else
ERR("Invalid/unknown iid %s\n", debugstr_guid(riid));
if (FAILED(hr))
*ppv = NULL;
TRACE("Returning %08x\n", hr);
return hr;
}
static HRESULT WINAPI MMDevice_OpenPropertyStore(IMMDevice *iface, DWORD access, IPropertyStore **ppv)
{
MMDevice *This = (MMDevice *)iface;
TRACE("(%p)->(%x,%p)\n", This, access, ppv);
if (!ppv)
return E_POINTER;
return MMDevPropStore_Create(This, access, ppv);
}
static HRESULT WINAPI MMDevice_GetId(IMMDevice *iface, WCHAR **itemid)
{
MMDevice *This = (MMDevice *)iface;
WCHAR *str;
GUID *id = &This->devguid;
static const WCHAR formatW[] = { '{','0','.','0','.','0','.','0','0','0','0','0','0','0','0','}','.',
'{','%','0','8','X','-','%','0','4','X','-',
'%','0','4','X','-','%','0','2','X','%','0','2','X','-',
'%','0','2','X','%','0','2','X','%','0','2','X','%','0','2','X',
'%','0','2','X','%','0','2','X','}',0 };
TRACE("(%p)->(%p)\n", This, itemid);
if (!itemid)
return E_POINTER;
*itemid = str = CoTaskMemAlloc(56 * sizeof(WCHAR));
if (!str)
return E_OUTOFMEMORY;
wsprintfW( str, formatW, id->Data1, id->Data2, id->Data3,
id->Data4[0], id->Data4[1], id->Data4[2], id->Data4[3],
id->Data4[4], id->Data4[5], id->Data4[6], id->Data4[7] );
return S_OK;
}
static HRESULT WINAPI MMDevice_GetState(IMMDevice *iface, DWORD *state)
{
MMDevice *This = (MMDevice *)iface;
TRACE("(%p)->(%p)\n", iface, state);
if (!state)
return E_POINTER;
*state = This->state;
return S_OK;
}
static const IMMDeviceVtbl MMDeviceVtbl =
{
MMDevice_QueryInterface,
MMDevice_AddRef,
MMDevice_Release,
MMDevice_Activate,
MMDevice_OpenPropertyStore,
MMDevice_GetId,
MMDevice_GetState
};
static MMDevice *get_this_from_endpoint(IMMEndpoint *iface)
{
return (MMDevice*)((char*)iface - offsetof(MMDevice,lpEndpointVtbl));
}
static HRESULT WINAPI MMEndpoint_QueryInterface(IMMEndpoint *iface, REFIID riid, void **ppv)
{
MMDevice *This = get_this_from_endpoint(iface);
return IMMDevice_QueryInterface((IMMDevice*)This, riid, ppv);
}
static ULONG WINAPI MMEndpoint_AddRef(IMMEndpoint *iface)
{
MMDevice *This = get_this_from_endpoint(iface);
return IMMDevice_AddRef((IMMDevice*)This);
}
static ULONG WINAPI MMEndpoint_Release(IMMEndpoint *iface)
{
MMDevice *This = get_this_from_endpoint(iface);
return IMMDevice_Release((IMMDevice*)This);
}
static HRESULT WINAPI MMEndpoint_GetDataFlow(IMMEndpoint *iface, EDataFlow *flow)
{
MMDevice *This = get_this_from_endpoint(iface);
if (!flow)
return E_POINTER;
*flow = This->flow;
return S_OK;
}
static const IMMEndpointVtbl MMEndpointVtbl =
{
MMEndpoint_QueryInterface,
MMEndpoint_AddRef,
MMEndpoint_Release,
MMEndpoint_GetDataFlow
};
static HRESULT MMDevCol_Create(IMMDeviceCollection **ppv, EDataFlow flow, DWORD state)
{
MMDevColImpl *This;
This = HeapAlloc(GetProcessHeap(), 0, sizeof(*This));
*ppv = NULL;
if (!This)
return E_OUTOFMEMORY;
This->lpVtbl = &MMDevColVtbl;
This->ref = 1;
This->flow = flow;
This->state = state;
*ppv = (IMMDeviceCollection*)This;
return S_OK;
}
static void MMDevCol_Destroy(MMDevColImpl *This)
{
HeapFree(GetProcessHeap(), 0, This);
}
static HRESULT WINAPI MMDevCol_QueryInterface(IMMDeviceCollection *iface, REFIID riid, void **ppv)
{
MMDevColImpl *This = (MMDevColImpl*)iface;
if (!ppv)
return E_POINTER;
if (IsEqualIID(riid, &IID_IUnknown)
|| IsEqualIID(riid, &IID_IMMDeviceCollection))
*ppv = This;
else
*ppv = NULL;
if (!*ppv)
return E_NOINTERFACE;
IUnknown_AddRef((IUnknown*)*ppv);
return S_OK;
}
static ULONG WINAPI MMDevCol_AddRef(IMMDeviceCollection *iface)
{
MMDevColImpl *This = (MMDevColImpl*)iface;
LONG ref = InterlockedIncrement(&This->ref);
TRACE("Refcount now %i\n", ref);
return ref;
}
static ULONG WINAPI MMDevCol_Release(IMMDeviceCollection *iface)
{
MMDevColImpl *This = (MMDevColImpl*)iface;
LONG ref = InterlockedDecrement(&This->ref);
TRACE("Refcount now %i\n", ref);
if (!ref)
MMDevCol_Destroy(This);
return ref;
}
static HRESULT WINAPI MMDevCol_GetCount(IMMDeviceCollection *iface, UINT *numdevs)
{
MMDevColImpl *This = (MMDevColImpl*)iface;
DWORD i;
TRACE("(%p)->(%p)\n", This, numdevs);
if (!numdevs)
return E_POINTER;
*numdevs = 0;
for (i = 0; i < MMDevice_count; ++i)
{
MMDevice *cur = MMDevice_head[i];
if ((cur->flow == This->flow || This->flow == eAll)
&& (cur->state & This->state))
++(*numdevs);
}
return S_OK;
}
static HRESULT WINAPI MMDevCol_Item(IMMDeviceCollection *iface, UINT n, IMMDevice **dev)
{
MMDevColImpl *This = (MMDevColImpl*)iface;
DWORD i = 0, j = 0;
TRACE("(%p)->(%u, %p)\n", This, n, dev);
if (!dev)
return E_POINTER;
for (j = 0; j < MMDevice_count; ++j)
{
MMDevice *cur = MMDevice_head[j];
if ((cur->flow == This->flow || This->flow == eAll)
&& (cur->state & This->state)
&& i++ == n)
{
*dev = (IMMDevice *)cur;
IMMDevice_AddRef(*dev);
return S_OK;
}
}
WARN("Could not obtain item %u\n", n);
*dev = NULL;
return E_INVALIDARG;
}
static const IMMDeviceCollectionVtbl MMDevColVtbl =
{
MMDevCol_QueryInterface,
MMDevCol_AddRef,
MMDevCol_Release,
MMDevCol_GetCount,
MMDevCol_Item
};
static const WCHAR propkey_formatW[] = {
'{','%','0','8','X','-','%','0','4','X','-',
'%','0','4','X','-','%','0','2','X','%','0','2','X','-',
'%','0','2','X','%','0','2','X','%','0','2','X','%','0','2','X',
'%','0','2','X','%','0','2','X','}',',','%','d',0 };
static HRESULT MMDevPropStore_OpenPropKey(const GUID *guid, DWORD flow, HKEY *propkey)
{
WCHAR buffer[39];
LONG ret;
HKEY key;
StringFromGUID2(guid, buffer, 39);
if ((ret = RegOpenKeyExW(flow == eRender ? key_render : key_capture, buffer, 0, KEY_READ|KEY_WRITE, &key)) != ERROR_SUCCESS)
{
WARN("Opening key %s failed with %u\n", debugstr_w(buffer), ret);
return E_FAIL;
}
ret = RegOpenKeyExW(key, reg_properties, 0, KEY_READ|KEY_WRITE, propkey);
RegCloseKey(key);
if (ret != ERROR_SUCCESS)
{
WARN("Opening key %s failed with %u\n", debugstr_w(reg_properties), ret);
return E_FAIL;
}
return S_OK;
}
HRESULT MMDevice_GetPropValue(const GUID *devguid, DWORD flow, REFPROPERTYKEY key, PROPVARIANT *pv)
{
WCHAR buffer[80];
const GUID *id = &key->fmtid;
DWORD type, size;
HRESULT hr = S_OK;
HKEY regkey;
LONG ret;
hr = MMDevPropStore_OpenPropKey(devguid, flow, &regkey);
if (FAILED(hr))
return hr;
wsprintfW( buffer, propkey_formatW, id->Data1, id->Data2, id->Data3,
id->Data4[0], id->Data4[1], id->Data4[2], id->Data4[3],
id->Data4[4], id->Data4[5], id->Data4[6], id->Data4[7], key->pid );
ret = RegGetValueW(regkey, NULL, buffer, RRF_RT_ANY, &type, NULL, &size);
if (ret != ERROR_SUCCESS)
{
WARN("Reading %s returned %d\n", debugstr_w(buffer), ret);
RegCloseKey(regkey);
PropVariantClear(pv);
return S_OK;
}
switch (type)
{
case REG_SZ:
{
pv->vt = VT_LPWSTR;
pv->u.pwszVal = CoTaskMemAlloc(size);
if (!pv->u.pwszVal)
hr = E_OUTOFMEMORY;
else
RegGetValueW(regkey, NULL, buffer, RRF_RT_REG_SZ, NULL, (BYTE*)pv->u.pwszVal, &size);
break;
}
case REG_DWORD:
{
pv->vt = VT_UI4;
RegGetValueW(regkey, NULL, buffer, RRF_RT_REG_DWORD, NULL, (BYTE*)&pv->u.ulVal, &size);
break;
}
case REG_BINARY:
{
pv->vt = VT_BLOB;
pv->u.blob.cbSize = size;
pv->u.blob.pBlobData = CoTaskMemAlloc(size);
if (!pv->u.blob.pBlobData)
hr = E_OUTOFMEMORY;
else
RegGetValueW(regkey, NULL, buffer, RRF_RT_REG_BINARY, NULL, (BYTE*)pv->u.blob.pBlobData, &size);
break;
}
default:
ERR("Unknown/unhandled type: %u\n", type);
PropVariantClear(pv);
break;
}
RegCloseKey(regkey);
return hr;
}
HRESULT MMDevice_SetPropValue(const GUID *devguid, DWORD flow, REFPROPERTYKEY key, REFPROPVARIANT pv)
{
WCHAR buffer[80];
const GUID *id = &key->fmtid;
HRESULT hr;
HKEY regkey;
LONG ret;
hr = MMDevPropStore_OpenPropKey(devguid, flow, &regkey);
if (FAILED(hr))
return hr;
wsprintfW( buffer, propkey_formatW, id->Data1, id->Data2, id->Data3,
id->Data4[0], id->Data4[1], id->Data4[2], id->Data4[3],
id->Data4[4], id->Data4[5], id->Data4[6], id->Data4[7], key->pid );
switch (pv->vt)
{
case VT_UI4:
{
ret = RegSetValueExW(regkey, buffer, 0, REG_DWORD, (const BYTE*)&pv->u.ulVal, sizeof(DWORD));
break;
}
case VT_BLOB:
{
ret = RegSetValueExW(regkey, buffer, 0, REG_BINARY, pv->u.blob.pBlobData, pv->u.blob.cbSize);
TRACE("Blob %p %u\n", pv->u.blob.pBlobData, pv->u.blob.cbSize);
break;
}
case VT_LPWSTR:
{
ret = RegSetValueExW(regkey, buffer, 0, REG_SZ, (const BYTE*)pv->u.pwszVal, sizeof(WCHAR)*(1+lstrlenW(pv->u.pwszVal)));
break;
}
default:
ret = 0;
FIXME("Unhandled type %u\n", pv->vt);
hr = E_INVALIDARG;
break;
}
RegCloseKey(regkey);
TRACE("Writing %s returned %u\n", debugstr_w(buffer), ret);
return hr;
}
HRESULT MMDevEnum_Create(REFIID riid, void **ppv)
{
MMDevEnumImpl *This = MMDevEnumerator;
if (!This)
{
DWORD i = 0;
HKEY root, cur;
LONG ret;
DWORD curflow;
This = HeapAlloc(GetProcessHeap(), 0, sizeof(*This));
*ppv = NULL;
if (!This)
return E_OUTOFMEMORY;
This->ref = 1;
This->lpVtbl = &MMDevEnumVtbl;
MMDevEnumerator = This;
ret = RegCreateKeyExW(HKEY_LOCAL_MACHINE, software_mmdevapi, 0, NULL, 0, KEY_WRITE|KEY_READ, NULL, &root, NULL);
if (ret == ERROR_SUCCESS)
ret = RegCreateKeyExW(root, reg_capture, 0, NULL, 0, KEY_READ|KEY_WRITE, NULL, &key_capture, NULL);
if (ret == ERROR_SUCCESS)
ret = RegCreateKeyExW(root, reg_render, 0, NULL, 0, KEY_READ|KEY_WRITE, NULL, &key_render, NULL);
RegCloseKey(root);
cur = key_capture;
curflow = eCapture;
if (ret != ERROR_SUCCESS)
{
RegCloseKey(key_capture);
key_render = key_capture = NULL;
WARN("Couldn't create key: %u\n", ret);
return E_FAIL;
}
else do {
WCHAR guidvalue[39];
GUID guid;
DWORD len;
PROPVARIANT pv = { VT_EMPTY };
len = sizeof(guidvalue);
ret = RegEnumKeyExW(cur, i++, guidvalue, &len, NULL, NULL, NULL, NULL);
if (ret == ERROR_NO_MORE_ITEMS)
{
if (cur == key_capture)
{
cur = key_render;
curflow = eRender;
i = 0;
continue;
}
break;
}
if (ret != ERROR_SUCCESS)
continue;
if (SUCCEEDED(CLSIDFromString(guidvalue, &guid))
&& SUCCEEDED(MMDevice_GetPropValue(&guid, curflow, (const PROPERTYKEY*)&DEVPKEY_Device_FriendlyName, &pv))
&& pv.vt == VT_LPWSTR)
{
MMDevice_Create(pv.u.pwszVal, &guid, curflow,
DEVICE_STATE_NOTPRESENT, FALSE);
CoTaskMemFree(pv.u.pwszVal);
}
} while (1);
}
return IUnknown_QueryInterface((IUnknown*)This, riid, ppv);
}
void MMDevEnum_Free(void)
{
while (MMDevice_count)
MMDevice_Destroy(MMDevice_head[0]);
RegCloseKey(key_render);
RegCloseKey(key_capture);
key_render = key_capture = NULL;
HeapFree(GetProcessHeap(), 0, MMDevEnumerator);
MMDevEnumerator = NULL;
}
static HRESULT WINAPI MMDevEnum_QueryInterface(IMMDeviceEnumerator *iface, REFIID riid, void **ppv)
{
MMDevEnumImpl *This = (MMDevEnumImpl*)iface;
if (!ppv)
return E_POINTER;
if (IsEqualIID(riid, &IID_IUnknown)
|| IsEqualIID(riid, &IID_IMMDeviceEnumerator))
*ppv = This;
else
*ppv = NULL;
if (!*ppv)
return E_NOINTERFACE;
IUnknown_AddRef((IUnknown*)*ppv);
return S_OK;
}
static ULONG WINAPI MMDevEnum_AddRef(IMMDeviceEnumerator *iface)
{
MMDevEnumImpl *This = (MMDevEnumImpl*)iface;
LONG ref = InterlockedIncrement(&This->ref);
TRACE("Refcount now %i\n", ref);
return ref;
}
static ULONG WINAPI MMDevEnum_Release(IMMDeviceEnumerator *iface)
{
MMDevEnumImpl *This = (MMDevEnumImpl*)iface;
LONG ref = InterlockedDecrement(&This->ref);
if (!ref)
MMDevEnum_Free();
TRACE("Refcount now %i\n", ref);
return ref;
}
static HRESULT WINAPI MMDevEnum_EnumAudioEndpoints(IMMDeviceEnumerator *iface, EDataFlow flow, DWORD mask, IMMDeviceCollection **devices)
{
MMDevEnumImpl *This = (MMDevEnumImpl*)iface;
TRACE("(%p)->(%u,%u,%p)\n", This, flow, mask, devices);
if (!devices)
return E_POINTER;
*devices = NULL;
if (flow >= EDataFlow_enum_count)
return E_INVALIDARG;
if (mask & ~DEVICE_STATEMASK_ALL)
return E_INVALIDARG;
return MMDevCol_Create(devices, flow, mask);
}
static HRESULT WINAPI MMDevEnum_GetDefaultAudioEndpoint(IMMDeviceEnumerator *iface, EDataFlow flow, ERole role, IMMDevice **device)
{
MMDevEnumImpl *This = (MMDevEnumImpl*)iface;
TRACE("(%p)->(%u,%u,%p)\n", This, flow, role, device);
if (!device)
return E_POINTER;
*device = NULL;
if (flow == eRender)
*device = (IMMDevice*)MMDevice_def_play;
else if (flow == eCapture)
*device = (IMMDevice*)MMDevice_def_rec;
else
{
WARN("Unknown flow %u\n", flow);
return E_INVALIDARG;
}
if (!*device)
return E_NOTFOUND;
IMMDevice_AddRef(*device);
return S_OK;
}
static HRESULT WINAPI MMDevEnum_GetDevice(IMMDeviceEnumerator *iface, const WCHAR *name, IMMDevice **device)
{
MMDevEnumImpl *This = (MMDevEnumImpl*)iface;
DWORD i=0;
IMMDevice *dev = NULL;
TRACE("(%p)->(%s,%p)\n", This, debugstr_w(name), device);
for (i = 0; i < MMDevice_count; ++i)
{
WCHAR *str;
dev = (IMMDevice*)MMDevice_head[i];
IMMDevice_GetId(dev, &str);
if (str && !lstrcmpW(str, name))
{
CoTaskMemFree(str);
break;
}
CoTaskMemFree(str);
}
if (dev)
{
IUnknown_AddRef(dev);
*device = dev;
return S_OK;
}
WARN("Could not find device %s\n", debugstr_w(name));
return E_NOTFOUND;
}
static HRESULT WINAPI MMDevEnum_RegisterEndpointNotificationCallback(IMMDeviceEnumerator *iface, IMMNotificationClient *client)
{
MMDevEnumImpl *This = (MMDevEnumImpl*)iface;
TRACE("(%p)->(%p)\n", This, client);
FIXME("stub\n");
return E_NOTIMPL;
}
static HRESULT WINAPI MMDevEnum_UnregisterEndpointNotificationCallback(IMMDeviceEnumerator *iface, IMMNotificationClient *client)
{
MMDevEnumImpl *This = (MMDevEnumImpl*)iface;
TRACE("(%p)->(%p)\n", This, client);
FIXME("stub\n");
return E_NOTIMPL;
}
static const IMMDeviceEnumeratorVtbl MMDevEnumVtbl =
{
MMDevEnum_QueryInterface,
MMDevEnum_AddRef,
MMDevEnum_Release,
MMDevEnum_EnumAudioEndpoints,
MMDevEnum_GetDefaultAudioEndpoint,
MMDevEnum_GetDevice,
MMDevEnum_RegisterEndpointNotificationCallback,
MMDevEnum_UnregisterEndpointNotificationCallback
};
static HRESULT MMDevPropStore_Create(MMDevice *parent, DWORD access, IPropertyStore **ppv)
{
MMDevPropStore *This;
if (access != STGM_READ
&& access != STGM_WRITE
&& access != STGM_READWRITE)
{
WARN("Invalid access %08x\n", access);
return E_INVALIDARG;
}
This = HeapAlloc(GetProcessHeap(), 0, sizeof(*This));
*ppv = (IPropertyStore*)This;
if (!This)
return E_OUTOFMEMORY;
This->lpVtbl = &MMDevPropVtbl;
This->ref = 1;
This->parent = parent;
This->access = access;
return S_OK;
}
static void MMDevPropStore_Destroy(MMDevPropStore *This)
{
HeapFree(GetProcessHeap(), 0, This);
}
static HRESULT WINAPI MMDevPropStore_QueryInterface(IPropertyStore *iface, REFIID riid, void **ppv)
{
MMDevPropStore *This = (MMDevPropStore*)iface;
if (!ppv)
return E_POINTER;
if (IsEqualIID(riid, &IID_IUnknown)
|| IsEqualIID(riid, &IID_IPropertyStore))
*ppv = This;
else
*ppv = NULL;
if (!*ppv)
return E_NOINTERFACE;
IUnknown_AddRef((IUnknown*)*ppv);
return S_OK;
}
static ULONG WINAPI MMDevPropStore_AddRef(IPropertyStore *iface)
{
MMDevPropStore *This = (MMDevPropStore*)iface;
LONG ref = InterlockedIncrement(&This->ref);
TRACE("Refcount now %i\n", ref);
return ref;
}
static ULONG WINAPI MMDevPropStore_Release(IPropertyStore *iface)
{
MMDevPropStore *This = (MMDevPropStore*)iface;
LONG ref = InterlockedDecrement(&This->ref);
TRACE("Refcount now %i\n", ref);
if (!ref)
MMDevPropStore_Destroy(This);
return ref;
}
static HRESULT WINAPI MMDevPropStore_GetCount(IPropertyStore *iface, DWORD *nprops)
{
MMDevPropStore *This = (MMDevPropStore*)iface;
WCHAR buffer[50];
DWORD i = 0;
HKEY propkey;
HRESULT hr;
TRACE("(%p)->(%p)\n", iface, nprops);
if (!nprops)
return E_POINTER;
hr = MMDevPropStore_OpenPropKey(&This->parent->devguid, This->parent->flow, &propkey);
if (FAILED(hr))
return hr;
*nprops = 0;
do {
DWORD len = sizeof(buffer)/sizeof(*buffer);
if (RegEnumKeyExW(propkey, i, buffer, &len, NULL, NULL, NULL, NULL) != ERROR_SUCCESS)
break;
i++;
} while (0);
RegCloseKey(propkey);
TRACE("Returning %i\n", i);
*nprops = i;
return S_OK;
}
static HRESULT WINAPI MMDevPropStore_GetAt(IPropertyStore *iface, DWORD prop, PROPERTYKEY *key)
{
MMDevPropStore *This = (MMDevPropStore*)iface;
WCHAR buffer[50];
DWORD len = sizeof(buffer)/sizeof(*buffer);
HRESULT hr;
HKEY propkey;
TRACE("(%p)->(%u,%p)\n", iface, prop, key);
if (!key)
return E_POINTER;
hr = MMDevPropStore_OpenPropKey(&This->parent->devguid, This->parent->flow, &propkey);
if (FAILED(hr))
return hr;
if (RegEnumKeyExW(propkey, prop, buffer, &len, NULL, NULL, NULL, NULL) != ERROR_SUCCESS
|| len <= 40)
{
WARN("GetAt %u failed\n", prop);
return E_INVALIDARG;
}
RegCloseKey(propkey);
buffer[39] = 0;
CLSIDFromString(buffer, &key->fmtid);
key->pid = atoiW(&buffer[40]);
return S_OK;
}
static HRESULT WINAPI MMDevPropStore_GetValue(IPropertyStore *iface, REFPROPERTYKEY key, PROPVARIANT *pv)
{
MMDevPropStore *This = (MMDevPropStore*)iface;
TRACE("(%p)->(\"%s,%u\", %p\n", This, debugstr_guid(&key->fmtid), key ? key->pid : 0, pv);
if (!key || !pv)
return E_POINTER;
if (This->access != STGM_READ
&& This->access != STGM_READWRITE)
return STG_E_ACCESSDENIED;
/* Special case */
if (IsEqualPropertyKey(*key, PKEY_AudioEndpoint_GUID))
{
pv->u.pwszVal = CoTaskMemAlloc(39 * sizeof(WCHAR));
if (!pv->u.pwszVal)
return E_OUTOFMEMORY;
StringFromGUID2(&This->parent->devguid, pv->u.pwszVal, 39);
return S_OK;
}
return MMDevice_GetPropValue(&This->parent->devguid, This->parent->flow, key, pv);
}
static HRESULT WINAPI MMDevPropStore_SetValue(IPropertyStore *iface, REFPROPERTYKEY key, REFPROPVARIANT pv)
{
MMDevPropStore *This = (MMDevPropStore*)iface;
if (!key || !pv)
return E_POINTER;
if (This->access != STGM_WRITE
&& This->access != STGM_READWRITE)
return STG_E_ACCESSDENIED;
return MMDevice_SetPropValue(&This->parent->devguid, This->parent->flow, key, pv);
}
static HRESULT WINAPI MMDevPropStore_Commit(IPropertyStore *iface)
{
FIXME("stub\n");
return E_NOTIMPL;
}
static const IPropertyStoreVtbl MMDevPropVtbl =
{
MMDevPropStore_QueryInterface,
MMDevPropStore_AddRef,
MMDevPropStore_Release,
MMDevPropStore_GetCount,
MMDevPropStore_GetAt,
MMDevPropStore_GetValue,
MMDevPropStore_SetValue,
MMDevPropStore_Commit
};
/* Property bag for IBaseFilter activation */
static HRESULT WINAPI PB_QueryInterface(IPropertyBag *iface, REFIID riid, void **ppv)
{
ERR("Should not be called\n");
*ppv = NULL;
return E_NOINTERFACE;
}
static ULONG WINAPI PB_AddRef(IPropertyBag *iface)
{
ERR("Should not be called\n");
return 2;
}
static ULONG WINAPI PB_Release(IPropertyBag *iface)
{
ERR("Should not be called\n");
return 1;
}
static HRESULT WINAPI PB_Read(IPropertyBag *iface, LPCOLESTR name, VARIANT *var, IErrorLog *log)
{
static const WCHAR dsguid[] = { 'D','S','G','u','i','d', 0 };
IPropertyBagImpl *This = (IPropertyBagImpl*)iface;
TRACE("Trying to read %s, type %u\n", debugstr_w(name), var->n1.n2.vt);
if (!lstrcmpW(name, dsguid))
{
WCHAR guidstr[39];
StringFromGUID2(&This->devguid, guidstr,sizeof(guidstr)/sizeof(*guidstr));
var->n1.n2.vt = VT_BSTR;
var->n1.n2.n3.bstrVal = SysAllocString(guidstr);
return S_OK;
}
ERR("Unknown property '%s' queried\n", debugstr_w(name));
return E_FAIL;
}
static HRESULT WINAPI PB_Write(IPropertyBag *iface, LPCOLESTR name, VARIANT *var)
{
ERR("Should not be called\n");
return E_FAIL;
}
static const IPropertyBagVtbl PB_Vtbl =
{
PB_QueryInterface,
PB_AddRef,
PB_Release,
PB_Read,
PB_Write
};
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