379 lines
11 KiB
C
379 lines
11 KiB
C
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/*
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* ICreateDevEnum implementation for DEVENUM.dll
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*
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* Copyright (C) 2002 Robert Shearman
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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* NOTES ON THIS FILE:
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* - Implements ICreateDevEnum interface which creates an IEnumMoniker
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* implementation
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* - Also creates the special registry keys created at run-time
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* - ...
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*/
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#include "devenum_private.h"
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#include "wine/debug.h"
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#include "mmddk.h"
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WINE_DEFAULT_DEBUG_CHANNEL(devenum);
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extern ICOM_VTABLE(IEnumMoniker) IEnumMoniker_Vtbl;
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extern HINSTANCE DEVENUM_hInstance;
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const WCHAR wszInstanceKeyName[] ={'I','n','s','t','a','n','c','e',0};
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const WCHAR wszRegSeperator[] = {'\\', 0 };
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const WCHAR wszActiveMovieKey[] = {'S','o','f','t','w','a','r','e','\\',
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'M','i','c','r','o','s','o','f','t','\\',
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'A','c','t','i','v','e','M','o','v','i','e','\\',
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'd','e','v','e','n','u','m','\\',0};
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static ULONG WINAPI DEVENUM_ICreateDevEnum_AddRef(ICreateDevEnum * iface);
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static HRESULT DEVENUM_CreateSpecialCategories();
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/**********************************************************************
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* DEVENUM_ICreateDevEnum_QueryInterface (also IUnknown)
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*/
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static HRESULT WINAPI DEVENUM_ICreateDevEnum_QueryInterface(
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ICreateDevEnum * iface,
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REFIID riid,
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LPVOID *ppvObj)
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{
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ICOM_THIS(CreateDevEnumImpl, iface);
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TRACE("\n\tIID:\t%s\n",debugstr_guid(riid));
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if (This == NULL || ppvObj == NULL) return E_POINTER;
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if (IsEqualGUID(riid, &IID_IUnknown) ||
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IsEqualGUID(riid, &IID_ICreateDevEnum))
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{
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*ppvObj = (LPVOID)iface;
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DEVENUM_ICreateDevEnum_AddRef(iface);
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return S_OK;
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}
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FIXME("- no interface\n\tIID:\t%s\n", debugstr_guid(riid));
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return E_NOINTERFACE;
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}
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/**********************************************************************
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* DEVENUM_ICreateDevEnum_AddRef (also IUnknown)
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*/
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static ULONG WINAPI DEVENUM_ICreateDevEnum_AddRef(ICreateDevEnum * iface)
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{
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ICOM_THIS(CreateDevEnumImpl, iface);
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TRACE("\n");
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if (This == NULL) return E_POINTER;
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if (InterlockedIncrement(&This->ref) == 1) {
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InterlockedIncrement(&dll_ref);
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}
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return This->ref;
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}
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/**********************************************************************
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* DEVENUM_ICreateDevEnum_Release (also IUnknown)
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*/
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static ULONG WINAPI DEVENUM_ICreateDevEnum_Release(ICreateDevEnum * iface)
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{
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ICOM_THIS(CreateDevEnumImpl, iface);
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TRACE("\n");
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if (This == NULL) return E_POINTER;
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if (InterlockedDecrement(&This->ref) == 0) {
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InterlockedDecrement(&dll_ref);
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}
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return This->ref;
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}
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/**********************************************************************
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* DEVENUM_ICreateDevEnum_CreateClassEnumerator
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*/
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HRESULT WINAPI DEVENUM_ICreateDevEnum_CreateClassEnumerator(
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ICreateDevEnum * iface,
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REFCLSID clsidDeviceClass,
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IEnumMoniker **ppEnumMoniker,
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DWORD dwFlags)
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{
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WCHAR wszRegKey[MAX_PATH];
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EnumMonikerImpl * pEnumMoniker;
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HKEY hkey;
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HKEY hbasekey;
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ICOM_THIS(CreateDevEnumImpl, iface);
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TRACE("(%p)->(%s, %p, %lx)\n\tDeviceClass:\t%s\n", This, debugstr_guid(clsidDeviceClass), ppEnumMoniker, dwFlags, debugstr_guid(clsidDeviceClass));
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if (!ppEnumMoniker)
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return E_POINTER;
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*ppEnumMoniker = NULL;
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if (IsEqualGUID(clsidDeviceClass, &CLSID_AudioRendererCategory) ||
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IsEqualGUID(clsidDeviceClass, &CLSID_MidiRendererCategory))
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{
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if (FAILED(DEVENUM_CreateSpecialCategories()))
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return E_FAIL;
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hbasekey = HKEY_CURRENT_USER;
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strcpyW(wszRegKey, wszActiveMovieKey);
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if (!StringFromGUID2(clsidDeviceClass, wszRegKey + strlenW(wszRegKey), MAX_PATH - strlenW(wszRegKey)))
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return E_OUTOFMEMORY;
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}
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else
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{
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hbasekey = HKEY_CLASSES_ROOT;
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strcpyW(wszRegKey, clsid_keyname);
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strcatW(wszRegKey, wszRegSeperator);
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if (!StringFromGUID2(clsidDeviceClass, wszRegKey + CLSID_STR_LEN, MAX_PATH - CLSID_STR_LEN))
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return E_OUTOFMEMORY;
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strcatW(wszRegKey, wszRegSeperator);
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strcatW(wszRegKey, wszInstanceKeyName);
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}
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if (RegOpenKeyW(hbasekey, wszRegKey, &hkey) != ERROR_SUCCESS)
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{
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FIXME("Category %s not found\n", debugstr_guid(clsidDeviceClass));
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return S_FALSE;
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}
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pEnumMoniker = (EnumMonikerImpl *)CoTaskMemAlloc(sizeof(EnumMonikerImpl));
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if (!pEnumMoniker)
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return E_OUTOFMEMORY;
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pEnumMoniker->lpVtbl = &IEnumMoniker_Vtbl;
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pEnumMoniker->ref = 1;
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pEnumMoniker->index = 0;
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pEnumMoniker->hkey = hkey;
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*ppEnumMoniker = (IEnumMoniker *)pEnumMoniker;
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return S_OK;
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}
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/**********************************************************************
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* ICreateDevEnum_Vtbl
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*/
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static ICOM_VTABLE(ICreateDevEnum) ICreateDevEnum_Vtbl =
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{
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ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
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DEVENUM_ICreateDevEnum_QueryInterface,
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DEVENUM_ICreateDevEnum_AddRef,
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DEVENUM_ICreateDevEnum_Release,
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DEVENUM_ICreateDevEnum_CreateClassEnumerator,
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};
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/**********************************************************************
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* static CreateDevEnum instance
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*/
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CreateDevEnumImpl DEVENUM_CreateDevEnum = { &ICreateDevEnum_Vtbl, 0 };
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/**********************************************************************
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* CreateSpecialCategories (INTERNAL)
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*
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* Creates the keys in the registry for the dynamic categories
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*/
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static HRESULT DEVENUM_CreateSpecialCategories()
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{
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HRESULT res = S_OK;
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/* this section below needs some attention - when it is enabled it appears to create
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* a circular dependency. IE IFilterMapper2_RegisterFilter calls back into this library
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* which again calls RegisterFilter.
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*/
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#if 0
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IMoniker * pMoniker = NULL;
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WCHAR szAltNameFormat[MAX_PATH + 1];
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WCHAR szAltName[MAX_PATH + 1];
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DWORD iDefaultDevice = -1;
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UINT numDevs;
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IFilterMapper2 * pMapper = NULL;
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REGFILTER2 rf2;
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REGFILTERPINS2 rfp2;
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rf2.dwVersion = 2;
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rf2.dwMerit = MERIT_PREFERRED;
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rf2.u.s1.cPins2 = 1;
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rf2.u.s1.rgPins2 = &rfp2;
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rfp2.dwFlags = REG_PINFLAG_B_RENDERER;
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rfp2.cInstances = 1;
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rfp2.nMediums = 0;
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rfp2.lpMedium = NULL;
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rfp2.clsPinCategory = &IID_NULL;
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res = CoCreateInstance(&CLSID_FilterMapper2, NULL, CLSCTX_INPROC,
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&IID_IFilterMapper2, (void **) &pMapper);
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/*
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* Fill in info for out devices
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*/
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if (SUCCEEDED(res))
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{
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UINT i;
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WAVEOUTCAPSW wocaps;
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WAVEINCAPSW wicaps;
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MIDIOUTCAPSW mocaps;
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REGPINTYPES * pTypes;
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numDevs = waveOutGetNumDevs();
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for (i = 0; i < numDevs; i++)
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{
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LoadStringW(DEVENUM_hInstance, IDS_DEVENUM_DS, szAltNameFormat, MAX_PATH);
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if (waveOutGetDevCapsW(i, &wocaps, sizeof(WAVEOUTCAPSW))
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== MMSYSERR_NOERROR)
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{
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rfp2.nMediaTypes = 1;
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pTypes = CoTaskMemAlloc(rfp2.nMediaTypes * sizeof(REGPINTYPES));
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if (!pTypes)
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{
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IFilterMapper2_Release(pMapper);
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return E_OUTOFMEMORY;
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}
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/* FIXME: Native devenum seems to register a lot more types for
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* DSound than we do. Not sure what purpose they serve */
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pTypes[0].clsMajorType = &MEDIATYPE_Audio;
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pTypes[0].clsMinorType = &MEDIASUBTYPE_PCM;
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rfp2.lpMediaType = pTypes;
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IFilterMapper2_RegisterFilter(pMapper,
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&CLSID_AudioRender,
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wocaps.szPname,
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&pMoniker,
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&CLSID_AudioRendererCategory,
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wocaps.szPname,
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&rf2);
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/* FIXME: do additional stuff with IMoniker here, depending on what RegisterFilter does */
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if (pMoniker)
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IMoniker_Release(pMoniker);
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wsprintfW(szAltName, szAltNameFormat, wocaps.szPname);
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IFilterMapper2_RegisterFilter(pMapper,
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&CLSID_DSoundRender,
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szAltName,
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&pMoniker,
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&CLSID_AudioRendererCategory,
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szAltName,
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&rf2);
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/* FIXME: do additional stuff with IMoniker here, depending on what RegisterFilter does */
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if (pMoniker)
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IMoniker_Release(pMoniker);
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if (i == iDefaultDevice)
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{
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FIXME("Default device\n");
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}
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CoTaskMemFree(pTypes);
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}
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}
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numDevs = waveInGetNumDevs();
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for (i = 0; i < numDevs; i++)
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{
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if (waveInGetDevCapsW(i, &wicaps, sizeof(WAVEINCAPSW))
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== MMSYSERR_NOERROR)
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{
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rfp2.nMediaTypes = 1;
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pTypes = CoTaskMemAlloc(rfp2.nMediaTypes * sizeof(REGPINTYPES));
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if (!pTypes)
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{
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IFilterMapper2_Release(pMapper);
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return E_OUTOFMEMORY;
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}
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/* FIXME: Not sure if these are correct */
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pTypes[0].clsMajorType = &MEDIATYPE_Audio;
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pTypes[0].clsMinorType = &MEDIASUBTYPE_PCM;
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rfp2.lpMediaType = pTypes;
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IFilterMapper2_RegisterFilter(pMapper,
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&CLSID_AudioRecord,
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wicaps.szPname,
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&pMoniker,
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&CLSID_AudioInputDeviceCategory,
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wicaps.szPname,
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&rf2);
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/* FIXME: do additional stuff with IMoniker here, depending on what RegisterFilter does */
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if (pMoniker)
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IMoniker_Release(pMoniker);
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CoTaskMemFree(pTypes);
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}
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}
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numDevs = midiOutGetNumDevs();
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for (i = 0; i < numDevs; i++)
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{
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if (midiOutGetDevCapsW(i, &mocaps, sizeof(MIDIOUTCAPSW))
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== MMSYSERR_NOERROR)
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{
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rfp2.nMediaTypes = 1;
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pTypes = CoTaskMemAlloc(rfp2.nMediaTypes * sizeof(REGPINTYPES));
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if (!pTypes)
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{
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IFilterMapper2_Release(pMapper);
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return E_OUTOFMEMORY;
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}
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/* FIXME: Not sure if these are correct */
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pTypes[0].clsMajorType = &MEDIATYPE_Midi;
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pTypes[0].clsMinorType = &MEDIASUBTYPE_None;
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rfp2.lpMediaType = pTypes;
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IFilterMapper2_RegisterFilter(pMapper,
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&CLSID_AVIMIDIRender,
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mocaps.szPname,
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&pMoniker,
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&CLSID_MidiRendererCategory,
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mocaps.szPname,
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&rf2);
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/* FIXME: do additional stuff with IMoniker here, depending on what RegisterFilter does */
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/* Native version sets MidiOutId */
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if (pMoniker)
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IMoniker_Release(pMoniker);
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if (i == iDefaultDevice)
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{
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FIXME("Default device\n");
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}
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CoTaskMemFree(pTypes);
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}
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}
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}
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|
if (pMapper)
|
||
|
|
IFilterMapper2_Release(pMapper);
|
||
|
|
#endif
|
||
|
|
return res;
|
||
|
|
}
|