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