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Sweden-Number/dlls/devenum/createdevenum.c

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/*
* ICreateDevEnum implementation for DEVENUM.dll
*
* Copyright (C) 2002 Robert Shearman
*
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* NOTES ON THIS FILE:
* - Implements ICreateDevEnum interface which creates an IEnumMoniker
* implementation
* - Also creates the special registry keys created at run-time
*/
#define NONAMELESSSTRUCT
#define NONAMELESSUNION
#include "devenum_private.h"
#include "wine/debug.h"
#include "mmddk.h"
WINE_DEFAULT_DEBUG_CHANNEL(devenum);
extern HINSTANCE DEVENUM_hInstance;
const WCHAR wszInstanceKeyName[] ={'I','n','s','t','a','n','c','e',0};
static const WCHAR wszRegSeparator[] = {'\\', 0 };
static const WCHAR wszActiveMovieKey[] = {'S','o','f','t','w','a','r','e','\\',
'M','i','c','r','o','s','o','f','t','\\',
'A','c','t','i','v','e','M','o','v','i','e','\\',
'd','e','v','e','n','u','m','\\',0};
static ULONG WINAPI DEVENUM_ICreateDevEnum_AddRef(ICreateDevEnum * iface);
static HRESULT DEVENUM_CreateSpecialCategories(void);
/**********************************************************************
* DEVENUM_ICreateDevEnum_QueryInterface (also IUnknown)
*/
static HRESULT WINAPI DEVENUM_ICreateDevEnum_QueryInterface(
ICreateDevEnum * iface,
REFIID riid,
LPVOID *ppvObj)
{
TRACE("\n\tIID:\t%s\n",debugstr_guid(riid));
if (ppvObj == NULL) return E_POINTER;
if (IsEqualGUID(riid, &IID_IUnknown) ||
IsEqualGUID(riid, &IID_ICreateDevEnum))
{
*ppvObj = (LPVOID)iface;
DEVENUM_ICreateDevEnum_AddRef(iface);
return S_OK;
}
FIXME("- no interface\n\tIID:\t%s\n", debugstr_guid(riid));
return E_NOINTERFACE;
}
/**********************************************************************
* DEVENUM_ICreateDevEnum_AddRef (also IUnknown)
*/
static ULONG WINAPI DEVENUM_ICreateDevEnum_AddRef(ICreateDevEnum * iface)
{
TRACE("\n");
DEVENUM_LockModule();
return 2; /* non-heap based object */
}
/**********************************************************************
* DEVENUM_ICreateDevEnum_Release (also IUnknown)
*/
static ULONG WINAPI DEVENUM_ICreateDevEnum_Release(ICreateDevEnum * iface)
{
TRACE("\n");
DEVENUM_UnlockModule();
return 1; /* non-heap based object */
}
/**********************************************************************
* DEVENUM_ICreateDevEnum_CreateClassEnumerator
*/
HRESULT WINAPI DEVENUM_ICreateDevEnum_CreateClassEnumerator(
ICreateDevEnum * iface,
REFCLSID clsidDeviceClass,
IEnumMoniker **ppEnumMoniker,
DWORD dwFlags)
{
WCHAR wszRegKey[MAX_PATH];
HKEY hkey;
HKEY hbasekey;
CreateDevEnumImpl *This = (CreateDevEnumImpl *)iface;
TRACE("(%p)->(%s, %p, %lx)\n\tDeviceClass:\t%s\n", This, debugstr_guid(clsidDeviceClass), ppEnumMoniker, dwFlags, debugstr_guid(clsidDeviceClass));
if (!ppEnumMoniker)
return E_POINTER;
*ppEnumMoniker = NULL;
if (IsEqualGUID(clsidDeviceClass, &CLSID_AudioRendererCategory) ||
IsEqualGUID(clsidDeviceClass, &CLSID_AudioInputDeviceCategory) ||
IsEqualGUID(clsidDeviceClass, &CLSID_MidiRendererCategory))
{
hbasekey = HKEY_CURRENT_USER;
strcpyW(wszRegKey, wszActiveMovieKey);
if (!StringFromGUID2(clsidDeviceClass, wszRegKey + strlenW(wszRegKey), MAX_PATH - strlenW(wszRegKey)))
return E_OUTOFMEMORY;
}
else
{
hbasekey = HKEY_CLASSES_ROOT;
strcpyW(wszRegKey, clsid_keyname);
strcatW(wszRegKey, wszRegSeparator);
if (!StringFromGUID2(clsidDeviceClass, wszRegKey + CLSID_STR_LEN, MAX_PATH - CLSID_STR_LEN))
return E_OUTOFMEMORY;
strcatW(wszRegKey, wszRegSeparator);
strcatW(wszRegKey, wszInstanceKeyName);
}
if (RegOpenKeyW(hbasekey, wszRegKey, &hkey) != ERROR_SUCCESS)
{
if (IsEqualGUID(clsidDeviceClass, &CLSID_AudioRendererCategory) ||
IsEqualGUID(clsidDeviceClass, &CLSID_AudioInputDeviceCategory) ||
IsEqualGUID(clsidDeviceClass, &CLSID_MidiRendererCategory))
{
HRESULT hr = DEVENUM_CreateSpecialCategories();
if (FAILED(hr))
return hr;
if (RegOpenKeyW(hbasekey, wszRegKey, &hkey) != ERROR_SUCCESS)
{
ERR("Couldn't open registry key for special device: %s\n",
debugstr_guid(clsidDeviceClass));
return S_FALSE;
}
}
else
{
FIXME("Category %s not found\n", debugstr_guid(clsidDeviceClass));
return S_FALSE;
}
}
return DEVENUM_IEnumMoniker_Construct(hkey, ppEnumMoniker);
}
/**********************************************************************
* ICreateDevEnum_Vtbl
*/
static ICreateDevEnumVtbl ICreateDevEnum_Vtbl =
{
DEVENUM_ICreateDevEnum_QueryInterface,
DEVENUM_ICreateDevEnum_AddRef,
DEVENUM_ICreateDevEnum_Release,
DEVENUM_ICreateDevEnum_CreateClassEnumerator,
};
/**********************************************************************
* static CreateDevEnum instance
*/
CreateDevEnumImpl DEVENUM_CreateDevEnum = { &ICreateDevEnum_Vtbl };
/**********************************************************************
* DEVENUM_CreateAMCategoryKey (INTERNAL)
*
* Creates a registry key for a category at HKEY_CURRENT_USER\Software\
* Microsoft\ActiveMovie\devenum\{clsid}
*/
static HRESULT DEVENUM_CreateAMCategoryKey(const CLSID * clsidCategory)
{
WCHAR wszRegKey[MAX_PATH];
HRESULT res = S_OK;
HKEY hkeyDummy = NULL;
strcpyW(wszRegKey, wszActiveMovieKey);
if (!StringFromGUID2(clsidCategory, wszRegKey + strlenW(wszRegKey), sizeof(wszRegKey)/sizeof(wszRegKey[0]) - strlenW(wszRegKey)))
res = E_INVALIDARG;
if (SUCCEEDED(res))
res = HRESULT_FROM_WIN32(
RegCreateKeyW(HKEY_CURRENT_USER, wszRegKey, &hkeyDummy));
if (hkeyDummy)
RegCloseKey(hkeyDummy);
if (FAILED(res))
ERR("Failed to create key HKEY_CURRENT_USER\\%s\n", debugstr_w(wszRegKey));
return res;
}
/**********************************************************************
* DEVENUM_CreateSpecialCategories (INTERNAL)
*
* Creates the keys in the registry for the dynamic categories
*/
static HRESULT DEVENUM_CreateSpecialCategories()
{
HRESULT res;
WCHAR szDSoundNameFormat[MAX_PATH + 1];
WCHAR szDSoundName[MAX_PATH + 1];
DWORD iDefaultDevice = -1;
UINT numDevs;
IFilterMapper2 * pMapper = NULL;
REGFILTER2 rf2;
REGFILTERPINS2 rfp2;
rf2.dwVersion = 2;
rf2.dwMerit = MERIT_PREFERRED;
rf2.u.s1.cPins2 = 1;
rf2.u.s1.rgPins2 = &rfp2;
rfp2.cInstances = 1;
rfp2.nMediums = 0;
rfp2.lpMedium = NULL;
rfp2.clsPinCategory = &IID_NULL;
if (!LoadStringW(DEVENUM_hInstance, IDS_DEVENUM_DS, szDSoundNameFormat, sizeof(szDSoundNameFormat)/sizeof(szDSoundNameFormat[0])-1))
{
ERR("Couldn't get string resource (GetLastError() is %ld)\n", GetLastError());
return HRESULT_FROM_WIN32(GetLastError());
}
res = CoCreateInstance(&CLSID_FilterMapper2, NULL, CLSCTX_INPROC,
&IID_IFilterMapper2, (void **) &pMapper);
/*
* Fill in info for devices
*/
if (SUCCEEDED(res))
{
UINT i;
WAVEOUTCAPSW wocaps;
WAVEINCAPSW wicaps;
MIDIOUTCAPSW mocaps;
REGPINTYPES * pTypes;
numDevs = waveOutGetNumDevs();
res = DEVENUM_CreateAMCategoryKey(&CLSID_AudioRendererCategory);
if (FAILED(res)) /* can't register any devices in this category */
numDevs = 0;
rfp2.dwFlags = REG_PINFLAG_B_RENDERER;
for (i = 0; i < numDevs; i++)
{
if (waveOutGetDevCapsW(i, &wocaps, sizeof(WAVEOUTCAPSW))
== MMSYSERR_NOERROR)
{
IMoniker * pMoniker = NULL;
rfp2.nMediaTypes = 1;
pTypes = CoTaskMemAlloc(rfp2.nMediaTypes * sizeof(REGPINTYPES));
if (!pTypes)
{
IFilterMapper2_Release(pMapper);
return E_OUTOFMEMORY;
}
/* FIXME: Native devenum seems to register a lot more types for
* DSound than we do. Not sure what purpose they serve */
pTypes[0].clsMajorType = &MEDIATYPE_Audio;
pTypes[0].clsMinorType = &MEDIASUBTYPE_PCM;
rfp2.lpMediaType = pTypes;
res = IFilterMapper2_RegisterFilter(pMapper,
&CLSID_AudioRender,
wocaps.szPname,
&pMoniker,
&CLSID_AudioRendererCategory,
wocaps.szPname,
&rf2);
/* FIXME: do additional stuff with IMoniker here, depending on what RegisterFilter does */
if (pMoniker)
IMoniker_Release(pMoniker);
wsprintfW(szDSoundName, szDSoundNameFormat, wocaps.szPname);
res = IFilterMapper2_RegisterFilter(pMapper,
&CLSID_DSoundRender,
szDSoundName,
&pMoniker,
&CLSID_AudioRendererCategory,
szDSoundName,
&rf2);
/* FIXME: do additional stuff with IMoniker here, depending on what RegisterFilter does */
if (pMoniker)
IMoniker_Release(pMoniker);
if (i == iDefaultDevice)
{
FIXME("Default device\n");
}
CoTaskMemFree(pTypes);
}
}
numDevs = waveInGetNumDevs();
res = DEVENUM_CreateAMCategoryKey(&CLSID_AudioInputDeviceCategory);
if (FAILED(res)) /* can't register any devices in this category */
numDevs = 0;
rfp2.dwFlags = REG_PINFLAG_B_OUTPUT;
for (i = 0; i < numDevs; i++)
{
if (waveInGetDevCapsW(i, &wicaps, sizeof(WAVEINCAPSW))
== MMSYSERR_NOERROR)
{
IMoniker * pMoniker = NULL;
rfp2.nMediaTypes = 1;
pTypes = CoTaskMemAlloc(rfp2.nMediaTypes * sizeof(REGPINTYPES));
if (!pTypes)
{
IFilterMapper2_Release(pMapper);
return E_OUTOFMEMORY;
}
/* FIXME: Not sure if these are correct */
pTypes[0].clsMajorType = &MEDIATYPE_Audio;
pTypes[0].clsMinorType = &MEDIASUBTYPE_PCM;
rfp2.lpMediaType = pTypes;
res = IFilterMapper2_RegisterFilter(pMapper,
&CLSID_AudioRecord,
wicaps.szPname,
&pMoniker,
&CLSID_AudioInputDeviceCategory,
wicaps.szPname,
&rf2);
/* FIXME: do additional stuff with IMoniker here, depending on what RegisterFilter does */
if (pMoniker)
IMoniker_Release(pMoniker);
CoTaskMemFree(pTypes);
}
}
numDevs = midiOutGetNumDevs();
res = DEVENUM_CreateAMCategoryKey(&CLSID_MidiRendererCategory);
if (FAILED(res)) /* can't register any devices in this category */
numDevs = 0;
rfp2.dwFlags = REG_PINFLAG_B_RENDERER;
for (i = 0; i < numDevs; i++)
{
if (midiOutGetDevCapsW(i, &mocaps, sizeof(MIDIOUTCAPSW))
== MMSYSERR_NOERROR)
{
IMoniker * pMoniker = NULL;
rfp2.nMediaTypes = 1;
pTypes = CoTaskMemAlloc(rfp2.nMediaTypes * sizeof(REGPINTYPES));
if (!pTypes)
{
IFilterMapper2_Release(pMapper);
return E_OUTOFMEMORY;
}
/* FIXME: Not sure if these are correct */
pTypes[0].clsMajorType = &MEDIATYPE_Midi;
pTypes[0].clsMinorType = &MEDIASUBTYPE_None;
rfp2.lpMediaType = pTypes;
res = IFilterMapper2_RegisterFilter(pMapper,
&CLSID_AVIMIDIRender,
mocaps.szPname,
&pMoniker,
&CLSID_MidiRendererCategory,
mocaps.szPname,
&rf2);
/* FIXME: do additional stuff with IMoniker here, depending on what RegisterFilter does */
/* Native version sets MidiOutId */
if (pMoniker)
IMoniker_Release(pMoniker);
if (i == iDefaultDevice)
{
FIXME("Default device\n");
}
CoTaskMemFree(pTypes);
}
}
}
if (pMapper)
IFilterMapper2_Release(pMapper);
return res;
}
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