dlls/evr/main.c

   1 /*
   2  * Copyright (C) 2015 Austin English
   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 #define COBJMACROS
  20
  21 #include <stdarg.h>
  22
  23 #include "windef.h"
  24 #include "winbase.h"
  25
  26 #include "ole2.h"
  27 #include "rpcproxy.h"
  28
  29 #include "evr_private.h"
  30
  31 #include "wine/debug.h"
  32
  33 WINE_DEFAULT_DEBUG_CHANNEL(evr);
  34
  35 static HINSTANCE instance_evr;
  36
  37 BOOL WINAPI DllMain(HINSTANCE instance, DWORD reason, LPVOID reserved)
  38 {
  39     if (reason == DLL_WINE_PREATTACH)
  40         return FALSE; /* prefer native version */
  41     else if (reason == DLL_PROCESS_ATTACH)
  42     {
  43         instance_evr = instance;
  44         DisableThreadLibraryCalls(instance);
  45     }
  46     else if (reason == DLL_PROCESS_DETACH && !reserved)
  47     {
  48         strmbase_release_typelibs();
  49     }
  50     return TRUE;
  51 }
  52
  53 typedef struct {
  54     IClassFactory IClassFactory_iface;
  55
  56     LONG ref;
  57     HRESULT (*pfnCreateInstance)(IUnknown *unk_outer, void **ppobj);
  58 } IClassFactoryImpl;
  59
  60 static inline IClassFactoryImpl *impl_from_IClassFactory(IClassFactory *iface)
  61 {
  62     return CONTAINING_RECORD(iface, IClassFactoryImpl, IClassFactory_iface);
  63 }
  64
  65 struct object_creation_info
  66 {
  67     const CLSID *clsid;
  68     HRESULT (*pfnCreateInstance)(IUnknown *unk_outer, void **ppobj);
  69 };
  70
  71 static const struct object_creation_info object_creation[] =
  72 {
  73     { &CLSID_EnhancedVideoRenderer, evr_filter_create },
  74     { &CLSID_MFVideoMixer9, evr_mixer_create },
  75     { &CLSID_MFVideoPresenter9, evr_presenter_create },
  76 };
  77
  78 static HRESULT WINAPI classfactory_QueryInterface(IClassFactory *iface, REFIID riid, void **ppobj)
  79 {
  80     IClassFactoryImpl *This = impl_from_IClassFactory(iface);
  81
  82     if (IsEqualGUID(riid, &IID_IUnknown)
  83         || IsEqualGUID(riid, &IID_IClassFactory))
  84     {
  85         IClassFactory_AddRef(iface);
  86         *ppobj = &This->IClassFactory_iface;
  87         return S_OK;
  88     }
  89
  90     WARN("(%p)->(%s,%p),not found\n", This, debugstr_guid(riid), ppobj);
  91     return E_NOINTERFACE;
  92 }
  93
  94 static ULONG WINAPI classfactory_AddRef(IClassFactory *iface)
  95 {
  96     IClassFactoryImpl *This = impl_from_IClassFactory(iface);
  97     return InterlockedIncrement(&This->ref);
  98 }
  99
 100 static ULONG WINAPI classfactory_Release(IClassFactory *iface)
 101 {
 102     IClassFactoryImpl *This = impl_from_IClassFactory(iface);
 103     ULONG ref = InterlockedDecrement(&This->ref);
 104
 105     if (ref == 0)
 106         HeapFree(GetProcessHeap(), 0, This);
 107
 108     return ref;
 109 }
 110
 111 static HRESULT WINAPI classfactory_CreateInstance(IClassFactory *iface, IUnknown *outer_unk, REFIID riid, void **ppobj)
 112 {
 113     IClassFactoryImpl *This = impl_from_IClassFactory(iface);
 114     HRESULT hres;
 115     IUnknown *unk;
 116
 117     TRACE("(%p)->(%p,%s,%p)\n", This, outer_unk, debugstr_guid(riid), ppobj);
 118
 119     *ppobj = NULL;
 120
 121     if (outer_unk && !IsEqualGUID(riid, &IID_IUnknown))
 122         return E_NOINTERFACE;
 123
 124     hres = This->pfnCreateInstance(outer_unk, (void **) &unk);
 125     if (SUCCEEDED(hres))
 126     {
 127         hres = IUnknown_QueryInterface(unk, riid, ppobj);
 128         IUnknown_Release(unk);
 129     }
 130     return hres;
 131 }
 132
 133 static HRESULT WINAPI classfactory_LockServer(IClassFactory *iface, BOOL dolock)
 134 {
 135     IClassFactoryImpl *This = impl_from_IClassFactory(iface);
 136     FIXME("(%p)->(%d), stub!\n", This, dolock);
 137     return S_OK;
 138 }
 139
 140 static const IClassFactoryVtbl classfactory_Vtbl =
 141 {
 142     classfactory_QueryInterface,
 143     classfactory_AddRef,
 144     classfactory_Release,
 145     classfactory_CreateInstance,
 146     classfactory_LockServer
 147 };
 148
 149 HRESULT WINAPI DllGetClassObject(REFCLSID rclsid, REFIID riid, void **ppv)
 150 {
 151     unsigned int i;
 152     IClassFactoryImpl *factory;
 153
 154     TRACE("(%s,%s,%p)\n", debugstr_guid(rclsid), debugstr_guid(riid), ppv);
 155
 156     if (!IsEqualGUID(&IID_IClassFactory, riid)
 157          && !IsEqualGUID( &IID_IUnknown, riid))
 158         return E_NOINTERFACE;
 159
 160     for (i = 0; i < ARRAY_SIZE(object_creation); i++)
 161     {
 162         if (IsEqualGUID(object_creation[i].clsid, rclsid))
 163             break;
 164     }
 165
 166     if (i == ARRAY_SIZE(object_creation))
 167     {
 168         FIXME("%s: no class found.\n", debugstr_guid(rclsid));
 169         return CLASS_E_CLASSNOTAVAILABLE;
 170     }
 171
 172     factory = HeapAlloc(GetProcessHeap(), 0, sizeof(*factory));
 173     if (factory == NULL)
 174         return E_OUTOFMEMORY;
 175
 176     factory->IClassFactory_iface.lpVtbl = &classfactory_Vtbl;
 177     factory->ref = 1;
 178
 179     factory->pfnCreateInstance = object_creation[i].pfnCreateInstance;
 180
 181     *ppv = &(factory->IClassFactory_iface);
 182     return S_OK;
 183 }
 184
 185 HRESULT WINAPI DllCanUnloadNow(void)
 186 {
 187     return S_FALSE;
 188 }
 189
 190 HRESULT WINAPI DllRegisterServer(void)
 191 {
 192     return __wine_register_resources(instance_evr);
 193 }
 194
 195 HRESULT WINAPI DllUnregisterServer(void)
 196 {
 197     return __wine_unregister_resources(instance_evr);
 198 }
 199
 200 HRESULT WINAPI MFCreateVideoMixerAndPresenter(IUnknown *mixer_outer, IUnknown *presenter_outer,
 201         REFIID riid_mixer, void **mixer, REFIID riid_presenter, void **presenter)
 202 {
 203     HRESULT hr;
 204
 205     TRACE("%p, %p, %s, %p, %s, %p.\n", mixer_outer, presenter_outer, debugstr_guid(riid_mixer), mixer,
 206             debugstr_guid(riid_presenter), presenter);
 207
 208     if (!mixer || !presenter)
 209         return E_POINTER;
 210
 211     *mixer = *presenter = NULL;
 212
 213     if (SUCCEEDED(hr = CoCreateInstance(&CLSID_MFVideoMixer9, mixer_outer, CLSCTX_INPROC_SERVER, riid_mixer, mixer)))
 214         hr = CoCreateInstance(&CLSID_MFVideoPresenter9, presenter_outer, CLSCTX_INPROC_SERVER, riid_presenter, presenter);
 215
 216     if (FAILED(hr))
 217     {
 218         if (*mixer)
 219             IUnknown_Release((IUnknown *)*mixer);
 220         if (*presenter)
 221             IUnknown_Release((IUnknown *)*presenter);
 222         *mixer = *presenter = NULL;
 223     }
 224
 225     return hr;
 226 }