dlls/mmdevapi/main.c

   1 /*
   2  * Copyright 2009 Maarten Lankhorst
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2.1 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library; if not, write to the Free Software
  16  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  17  */
  18
  19 #include "config.h"
  20
  21 #include <stdarg.h>
  22
  23 #define CINTERFACE
  24 #define COBJMACROS
  25 #include "windef.h"
  26 #include "winbase.h"
  27 #include "wingdi.h"
  28 #include "wine/debug.h"
  29
  30 #include "initguid.h"
  31 #include "ole2.h"
  32 #include "mmdeviceapi.h"
  33 #include "dshow.h"
  34 #include "dsound.h"
  35 #include "audioclient.h"
  36 #include "endpointvolume.h"
  37 #include "audiopolicy.h"
  38 #include "devpkey.h"
  39
  40 #include "mmdevapi.h"
  41
  42 WINE_DEFAULT_DEBUG_CHANNEL(mmdevapi);
  43
  44 BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved)
  45 {
  46     TRACE("(0x%p, %d, %p)\n", hinstDLL, fdwReason, lpvReserved);
  47
  48     switch (fdwReason)
  49     {
  50         case DLL_PROCESS_ATTACH:
  51             DisableThreadLibraryCalls(hinstDLL);
  52             break;
  53         case DLL_PROCESS_DETACH:
  54             MMDevEnum_Free();
  55             break;
  56     }
  57
  58     return TRUE;
  59 }
  60
  61 HRESULT WINAPI DllCanUnloadNow(void)
  62 {
  63     return S_FALSE;
  64 }
  65
  66 typedef HRESULT (*FnCreateInstance)(REFIID riid, LPVOID *ppobj);
  67
  68 typedef struct {
  69     const IClassFactoryVtbl *lpVtbl;
  70     REFCLSID rclsid;
  71     FnCreateInstance pfnCreateInstance;
  72 } IClassFactoryImpl;
  73
  74 static HRESULT WINAPI
  75 MMCF_QueryInterface(LPCLASSFACTORY iface, REFIID riid, LPVOID *ppobj)
  76 {
  77     IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
  78     TRACE("(%p, %s, %p)\n", This, debugstr_guid(riid), ppobj);
  79     if (ppobj == NULL)
  80         return E_POINTER;
  81     if (IsEqualIID(riid, &IID_IUnknown) ||
  82         IsEqualIID(riid, &IID_IClassFactory))
  83     {
  84         *ppobj = iface;
  85         IUnknown_AddRef(iface);
  86         return S_OK;
  87     }
  88     *ppobj = NULL;
  89     return E_NOINTERFACE;
  90 }
  91
  92 static ULONG WINAPI MMCF_AddRef(LPCLASSFACTORY iface)
  93 {
  94     return 2;
  95 }
  96
  97 static ULONG WINAPI MMCF_Release(LPCLASSFACTORY iface)
  98 {
  99     /* static class, won't be freed */
 100     return 1;
 101 }
 102
 103 static HRESULT WINAPI MMCF_CreateInstance(
 104     LPCLASSFACTORY iface,
 105     LPUNKNOWN pOuter,
 106     REFIID riid,
 107     LPVOID *ppobj)
 108 {
 109     IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
 110     TRACE("(%p, %p, %s, %p)\n", This, pOuter, debugstr_guid(riid), ppobj);
 111
 112     if (pOuter)
 113         return CLASS_E_NOAGGREGATION;
 114
 115     if (ppobj == NULL) {
 116         WARN("invalid parameter\n");
 117         return E_POINTER;
 118     }
 119     *ppobj = NULL;
 120     return This->pfnCreateInstance(riid, ppobj);
 121 }
 122
 123 static HRESULT WINAPI MMCF_LockServer(LPCLASSFACTORY iface, BOOL dolock)
 124 {
 125     IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
 126     FIXME("(%p, %d) stub!\n", This, dolock);
 127     return S_OK;
 128 }
 129
 130 static const IClassFactoryVtbl MMCF_Vtbl = {
 131     MMCF_QueryInterface,
 132     MMCF_AddRef,
 133     MMCF_Release,
 134     MMCF_CreateInstance,
 135     MMCF_LockServer
 136 };
 137
 138 static IClassFactoryImpl MMDEVAPI_CF[] = {
 139     { &MMCF_Vtbl, &CLSID_MMDeviceEnumerator, (FnCreateInstance)MMDevEnum_Create }
 140 };
 141
 142 HRESULT WINAPI DllGetClassObject(REFCLSID rclsid, REFIID riid, LPVOID *ppv)
 143 {
 144     int i = 0;
 145     TRACE("(%s, %s, %p)\n", debugstr_guid(rclsid), debugstr_guid(riid), ppv);
 146
 147     if (ppv == NULL) {
 148         WARN("invalid parameter\n");
 149         return E_INVALIDARG;
 150     }
 151
 152     *ppv = NULL;
 153
 154     if (!IsEqualIID(riid, &IID_IClassFactory) &&
 155         !IsEqualIID(riid, &IID_IUnknown)) {
 156         WARN("no interface for %s\n", debugstr_guid(riid));
 157         return E_NOINTERFACE;
 158     }
 159
 160     for (i = 0; i < sizeof(MMDEVAPI_CF)/sizeof(MMDEVAPI_CF[0]); ++i)
 161     {
 162         if (IsEqualGUID(rclsid, MMDEVAPI_CF[i].rclsid)) {
 163             IUnknown_AddRef((IClassFactory*) &MMDEVAPI_CF[i]);
 164             *ppv = &MMDEVAPI_CF[i];
 165             return S_OK;
 166         }
 167         i++;
 168     }
 169
 170     WARN("(%s, %s, %p): no class found.\n", debugstr_guid(rclsid),
 171          debugstr_guid(riid), ppv);
 172     return CLASS_E_CLASSNOTAVAILABLE;
 173 }