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(quartz);
  24
  25 struct class_factory
  26 {
  27     IClassFactory IClassFactory_iface;
  28     HRESULT (*create_instance)(IUnknown *outer, IUnknown **out);
  29 };
  30
  31 static struct class_factory *impl_from_IClassFactory(IClassFactory *iface)
  32 {
  33     return CONTAINING_RECORD(iface, struct class_factory, IClassFactory_iface);
  34 }
  35
  36 static HRESULT WINAPI class_factory_QueryInterface(IClassFactory *iface, REFIID iid, void **out)
  37 {
  38     TRACE("iface %p, iid %s, out %p.\n", iface, debugstr_guid(iid), out);
  39
  40     if (IsEqualGUID(iid, &IID_IUnknown) || IsEqualGUID(iid, &IID_IClassFactory))
  41     {
  42         IClassFactory_AddRef(iface);
  43         *out = iface;
  44         return S_OK;
  45     }
  46
  47     *out = NULL;
  48     WARN("%s not implemented, returning E_NOINTERFACE\n", debugstr_guid(iid));
  49     return E_NOINTERFACE;
  50 }
  51
  52 static ULONG WINAPI class_factory_AddRef(IClassFactory *iface)
  53 {
  54     return 2;
  55 }
  56
  57 static ULONG WINAPI class_factory_Release(IClassFactory *iface)
  58 {
  59     return 1;
  60 }
  61
  62 static HRESULT WINAPI class_factory_CreateInstance(IClassFactory *iface,
  63         IUnknown *outer, REFIID iid, void **out)
  64 {
  65     struct class_factory *factory = impl_from_IClassFactory(iface);
  66     IUnknown *unk;
  67     HRESULT hr;
  68
  69     TRACE("iface %p, outer %p, iid %s, out %p.\n", iface, outer, debugstr_guid(iid), out);
  70
  71     *out = NULL;
  72
  73     if (outer && !IsEqualGUID(iid, &IID_IUnknown))
  74         return E_NOINTERFACE;
  75
  76     if (SUCCEEDED(hr = factory->create_instance(outer, &unk)))
  77     {
  78         hr = IUnknown_QueryInterface(unk, iid, out);
  79         IUnknown_Release(unk);
  80     }
  81     return hr;
  82 }
  83
  84 static HRESULT WINAPI class_factory_LockServer(IClassFactory *iface, BOOL lock)
  85 {
  86     FIXME("lock %d, stub!\n", lock);
  87     return S_OK;
  88 }
  89
  90 static const IClassFactoryVtbl class_factory_vtbl =
  91 {
  92     class_factory_QueryInterface,
  93     class_factory_AddRef,
  94     class_factory_Release,
  95     class_factory_CreateInstance,
  96     class_factory_LockServer,
  97 };
  98
  99 static struct class_factory asf_reader_cf = {{&class_factory_vtbl}, asf_reader_create};
 100 static struct class_factory dmo_wrapper_cf = {{&class_factory_vtbl}, dmo_wrapper_create};
 101
 102 BOOL WINAPI DllMain(HINSTANCE instance, DWORD reason, void *reserved)
 103 {
 104     if (reason == DLL_PROCESS_ATTACH)
 105     {
 106         DisableThreadLibraryCalls(instance);
 107     }
 108     else if (reason == DLL_PROCESS_DETACH && !reserved)
 109     {
 110         strmbase_release_typelibs();
 111     }
 112     return TRUE;
 113 }
 114
 115 HRESULT WINAPI DllGetClassObject(REFCLSID clsid, REFIID iid, void **out)
 116 {
 117     TRACE("clsid %s, iid %s, out %p.\n", debugstr_guid(clsid), debugstr_guid(iid), out);
 118
 119     if (IsEqualGUID(clsid, &CLSID_DMOWrapperFilter))
 120         return IClassFactory_QueryInterface(&dmo_wrapper_cf.IClassFactory_iface, iid, out);
 121     if (IsEqualGUID(clsid, &CLSID_WMAsfReader))
 122         return IClassFactory_QueryInterface(&asf_reader_cf.IClassFactory_iface, iid, out);
 123
 124     FIXME("%s not available, returning CLASS_E_CLASSNOTAVAILABLE.\n", debugstr_guid(clsid));
 125     return CLASS_E_CLASSNOTAVAILABLE;
 126 }