dlls/qasf/qasf_main.c

   1 /*
   2  * DirectShow ASF filters
   3  *
   4  * Copyright (C) 2019 Zebediah Figura
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  */
  20
  21 #include "qasf_private.h"
  22
  23 WINE_DEFAULT_DEBUG_CHANNEL(qasf);
  24
  25 static HINSTANCE qasf_instance;
  26
  27 struct class_factory
  28 {
  29     IClassFactory IClassFactory_iface;
  30     HRESULT (*create_instance)(IUnknown *outer, IUnknown **out);
  31 };
  32
  33 static struct class_factory *impl_from_IClassFactory(IClassFactory *iface)
  34 {
  35     return CONTAINING_RECORD(iface, struct class_factory, IClassFactory_iface);
  36 }
  37
  38 static HRESULT WINAPI class_factory_QueryInterface(IClassFactory *iface, REFIID iid, void **out)
  39 {
  40     TRACE("iface %p, iid %s, out %p.\n", iface, debugstr_guid(iid), out);
  41
  42     if (IsEqualGUID(iid, &IID_IUnknown) || IsEqualGUID(iid, &IID_IClassFactory))
  43     {
  44         IClassFactory_AddRef(iface);
  45         *out = iface;
  46         return S_OK;
  47     }
  48
  49     *out = NULL;
  50     WARN("%s not implemented, returning E_NOINTERFACE\n", debugstr_guid(iid));
  51     return E_NOINTERFACE;
  52 }
  53
  54 static ULONG WINAPI class_factory_AddRef(IClassFactory *iface)
  55 {
  56     return 2;
  57 }
  58
  59 static ULONG WINAPI class_factory_Release(IClassFactory *iface)
  60 {
  61     return 1;
  62 }
  63
  64 static HRESULT WINAPI class_factory_CreateInstance(IClassFactory *iface,
  65         IUnknown *outer, REFIID iid, void **out)
  66 {
  67     struct class_factory *factory = impl_from_IClassFactory(iface);
  68     IUnknown *unk;
  69     HRESULT hr;
  70
  71     TRACE("iface %p, outer %p, iid %s, out %p.\n", iface, outer, debugstr_guid(iid), out);
  72
  73     *out = NULL;
  74
  75     if (outer && !IsEqualGUID(iid, &IID_IUnknown))
  76         return E_NOINTERFACE;
  77
  78     if (SUCCEEDED(hr = factory->create_instance(outer, &unk)))
  79     {
  80         hr = IUnknown_QueryInterface(unk, iid, out);
  81         IUnknown_Release(unk);
  82     }
  83     return hr;
  84 }
  85
  86 static HRESULT WINAPI class_factory_LockServer(IClassFactory *iface, BOOL lock)
  87 {
  88     FIXME("lock %d, stub!\n", lock);
  89     return S_OK;
  90 }
  91
  92 static const IClassFactoryVtbl class_factory_vtbl =
  93 {
  94     class_factory_QueryInterface,
  95     class_factory_AddRef,
  96     class_factory_Release,
  97     class_factory_CreateInstance,
  98     class_factory_LockServer,
  99 };
 100
 101 static struct class_factory asf_reader_cf = {{&class_factory_vtbl}, asf_reader_create};
 102 static struct class_factory dmo_wrapper_cf = {{&class_factory_vtbl}, dmo_wrapper_create};
 103
 104 BOOL WINAPI DllMain(HINSTANCE instance, DWORD reason, void *reserved)
 105 {
 106     if (reason == DLL_PROCESS_ATTACH)
 107     {
 108         DisableThreadLibraryCalls(instance);
 109         qasf_instance = instance;
 110     }
 111     else if (reason == DLL_PROCESS_DETACH && !reserved)
 112     {
 113         strmbase_release_typelibs();
 114     }
 115     return TRUE;
 116 }
 117
 118 HRESULT WINAPI DllGetClassObject(REFCLSID clsid, REFIID iid, void **out)
 119 {
 120     TRACE("clsid %s, iid %s, out %p.\n", debugstr_guid(clsid), debugstr_guid(iid), out);
 121
 122     if (IsEqualGUID(clsid, &CLSID_DMOWrapperFilter))
 123         return IClassFactory_QueryInterface(&dmo_wrapper_cf.IClassFactory_iface, iid, out);
 124     if (IsEqualGUID(clsid, &CLSID_WMAsfReader))
 125         return IClassFactory_QueryInterface(&asf_reader_cf.IClassFactory_iface, iid, out);
 126
 127     FIXME("%s not available, returning CLASS_E_CLASSNOTAVAILABLE.\n", debugstr_guid(clsid));
 128     return CLASS_E_CLASSNOTAVAILABLE;
 129 }
 130
 131 HRESULT WINAPI DllCanUnloadNow(void)
 132 {
 133     return S_FALSE;
 134 }
 135
 136 HRESULT WINAPI DllRegisterServer(void)
 137 {
 138     return __wine_register_resources(qasf_instance);
 139 }
 140
 141 HRESULT WINAPI DllUnregisterServer(void)
 142 {
 143     return __wine_unregister_resources(qasf_instance);
 144 }