dlls/qcap/qcap_main.c

   1 /*
   2  * DirectShow capture
   3  *
   4  * Copyright (C) 2003 Dominik Strasser
   5  * Copyright (C) 2005 Rolf Kalbermatter
   6  * Copyright (C) 2019 Zebediah Figura
   7  *
   8  * This library is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU Lesser General Public
  10  * License as published by the Free Software Foundation; either
  11  * version 2.1 of the License, or (at your option) any later version.
  12  *
  13  * This library is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16  * Lesser General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU Lesser General Public
  19  * License along with this library; if not, write to the Free Software
  20  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  21  */
  22
  23 #define WINE_NO_NAMELESS_EXTENSION
  24
  25 #include "qcap_private.h"
  26 #include "rpcproxy.h"
  27
  28 WINE_DEFAULT_DEBUG_CHANNEL(quartz);
  29
  30 HINSTANCE qcap_instance;
  31
  32 static LONG objects_ref = 0;
  33
  34 struct class_factory
  35 {
  36     IClassFactory IClassFactory_iface;
  37     HRESULT (*create_instance)(IUnknown *outer, IUnknown **out);
  38 };
  39
  40 static inline struct class_factory *impl_from_IClassFactory(IClassFactory *iface)
  41 {
  42     return CONTAINING_RECORD(iface, struct class_factory, IClassFactory_iface);
  43 }
  44
  45 static HRESULT WINAPI class_factory_QueryInterface(IClassFactory *iface, REFIID iid, void **out)
  46 {
  47     TRACE("iface %p, iid %s, out %p.\n", iface, debugstr_guid(iid), out);
  48
  49     if (IsEqualGUID(iid, &IID_IUnknown) || IsEqualGUID(iid, &IID_IClassFactory))
  50     {
  51         *out = iface;
  52         IClassFactory_AddRef(iface);
  53         return S_OK;
  54     }
  55
  56     *out = NULL;
  57     WARN("%s not implemented, returning E_NOINTERFACE.\n", debugstr_guid(iid));
  58     return E_NOINTERFACE;
  59 }
  60
  61 static ULONG WINAPI class_factory_AddRef(IClassFactory *iface)
  62 {
  63     return 2;
  64 }
  65
  66 static ULONG WINAPI class_factory_Release(IClassFactory *iface)
  67 {
  68     return 1;
  69 }
  70
  71 static HRESULT WINAPI class_factory_CreateInstance(IClassFactory *iface, IUnknown *outer, REFIID iid, void **out)
  72 {
  73     struct class_factory *factory = impl_from_IClassFactory(iface);
  74     IUnknown *unk;
  75     HRESULT hr;
  76
  77     TRACE("iface %p, outer %p, iid %s, out %p.\n", iface, outer, debugstr_guid(iid), out);
  78
  79     if (outer && !IsEqualGUID(iid, &IID_IUnknown))
  80         return E_NOINTERFACE;
  81
  82     *out = NULL;
  83     if (SUCCEEDED(hr = factory->create_instance(outer, &unk)))
  84     {
  85         hr = IUnknown_QueryInterface(unk, iid, out);
  86         IUnknown_Release(unk);
  87     }
  88     return hr;
  89 }
  90
  91 static HRESULT WINAPI class_factory_LockServer(IClassFactory *iface, BOOL lock)
  92 {
  93     TRACE("iface %p, lock %d.\n", iface, lock);
  94
  95     if (lock)
  96         InterlockedIncrement(&objects_ref);
  97     else
  98         InterlockedDecrement(&objects_ref);
  99     return S_OK;
 100 }
 101
 102 static const IClassFactoryVtbl class_factory_vtbl =
 103 {
 104     class_factory_QueryInterface,
 105     class_factory_AddRef,
 106     class_factory_Release,
 107     class_factory_CreateInstance,
 108     class_factory_LockServer,
 109 };
 110
 111 static struct class_factory audio_record_cf = {{&class_factory_vtbl}, audio_record_create};
 112 static struct class_factory avi_compressor_cf = {{&class_factory_vtbl}, avi_compressor_create};
 113 static struct class_factory avi_mux_cf = {{&class_factory_vtbl}, avi_mux_create};
 114 static struct class_factory capture_graph_cf = {{&class_factory_vtbl}, capture_graph_create};
 115 static struct class_factory file_writer_cf = {{&class_factory_vtbl}, file_writer_create};
 116 static struct class_factory smart_tee_cf = {{&class_factory_vtbl}, smart_tee_create};
 117 static struct class_factory vfw_capture_cf = {{&class_factory_vtbl}, vfw_capture_create};
 118
 119 BOOL WINAPI DllMain(HINSTANCE instance, DWORD reason, void *reserved)
 120 {
 121     if (reason == DLL_PROCESS_ATTACH)
 122     {
 123         qcap_instance = instance;
 124         DisableThreadLibraryCalls(instance);
 125     }
 126     return TRUE;
 127 }
 128
 129 HRESULT WINAPI DllGetClassObject(REFCLSID clsid, REFIID iid, void **out)
 130 {
 131     struct class_factory *factory;
 132
 133     TRACE("clsid %s, iid %s, out %p.\n", debugstr_guid(clsid), debugstr_guid(iid), out);
 134
 135     if (IsEqualGUID(clsid, &CLSID_AudioRecord))
 136         factory = &audio_record_cf;
 137     else if (IsEqualGUID(clsid, &CLSID_AVICo))
 138         factory = &avi_compressor_cf;
 139     else if (IsEqualGUID(clsid, &CLSID_AviDest))
 140         factory = &avi_mux_cf;
 141     else if (IsEqualGUID(clsid, &CLSID_CaptureGraphBuilder))
 142         factory = &capture_graph_cf;
 143     else if (IsEqualGUID(clsid, &CLSID_CaptureGraphBuilder2))
 144         factory = &capture_graph_cf;
 145     else if (IsEqualGUID(clsid, &CLSID_FileWriter))
 146         factory = &file_writer_cf;
 147     else if (IsEqualGUID(clsid, &CLSID_SmartTee))
 148         factory = &smart_tee_cf;
 149     else if (IsEqualGUID(clsid, &CLSID_VfwCapture))
 150         factory = &vfw_capture_cf;
 151     else
 152     {
 153         FIXME("%s not implemented, returning CLASS_E_CLASSNOTAVAILABLE.\n", debugstr_guid(clsid));
 154         return CLASS_E_CLASSNOTAVAILABLE;
 155     }
 156
 157     return IClassFactory_QueryInterface(&factory->IClassFactory_iface, iid, out);
 158 }
 159
 160 static const REGPINTYPES reg_avi_mux_sink_mt = {&MEDIATYPE_Stream, &MEDIASUBTYPE_Avi};
 161
 162 static const REGFILTERPINS2 reg_avi_mux_pins[1] =
 163 {
 164     {
 165         .cInstances = 1,
 166         .nMediaTypes = 1,
 167         .lpMediaType = &reg_avi_mux_sink_mt,
 168     },
 169 };
 170
 171 static const REGFILTER2 reg_avi_mux =
 172 {
 173     .dwVersion = 2,
 174     .dwMerit = MERIT_DO_NOT_USE,
 175     .u.s2.cPins2 = 1,
 176     .u.s2.rgPins2 = reg_avi_mux_pins,
 177 };
 178
 179 static const REGPINTYPES reg_video_mt = {&MEDIATYPE_Video, &GUID_NULL};
 180
 181 static const REGFILTERPINS2 reg_smart_tee_pins[3] =
 182 {
 183     {
 184         .cInstances = 1,
 185         .nMediaTypes = 1,
 186         .lpMediaType = &reg_video_mt,
 187     },
 188     {
 189         .dwFlags = REG_PINFLAG_B_OUTPUT,
 190         .cInstances = 1,
 191         .nMediaTypes = 1,
 192         .lpMediaType = &reg_video_mt,
 193     },
 194     {
 195         .dwFlags = REG_PINFLAG_B_OUTPUT,
 196         .cInstances = 1,
 197         .nMediaTypes = 1,
 198         .lpMediaType = &reg_video_mt,
 199     },
 200 };
 201
 202 static const REGFILTER2 reg_smart_tee =
 203 {
 204     .dwVersion = 2,
 205     .dwMerit = MERIT_DO_NOT_USE,
 206     .u.s2.cPins2 = 3,
 207     .u.s2.rgPins2 = reg_smart_tee_pins,
 208 };
 209
 210 static const REGPINTYPES reg_file_writer_sink_mt = {&GUID_NULL, &GUID_NULL};
 211
 212 static const REGFILTERPINS2 reg_file_writer_pins[1] =
 213 {
 214     {
 215         .cInstances = 1,
 216         .nMediaTypes = 1,
 217         .lpMediaType = &reg_file_writer_sink_mt,
 218     },
 219 };
 220
 221 static const REGFILTER2 reg_file_writer =
 222 {
 223     .dwVersion = 2,
 224     .dwMerit = MERIT_DO_NOT_USE,
 225     .u.s2.cPins2 = 1,
 226     .u.s2.rgPins2 = reg_file_writer_pins,
 227 };
 228
 229 /***********************************************************************
 230  *    DllRegisterServer (QCAP.@)
 231  */
 232 HRESULT WINAPI DllRegisterServer(void)
 233 {
 234     IFilterMapper2 *mapper;
 235     HRESULT hr;
 236
 237     if (FAILED(hr = __wine_register_resources()))
 238         return hr;
 239
 240     if (FAILED(hr = CoCreateInstance(&CLSID_FilterMapper2, NULL, CLSCTX_INPROC_SERVER,
 241             &IID_IFilterMapper2, (void **)&mapper)))
 242         return hr;
 243
 244     IFilterMapper2_RegisterFilter(mapper, &CLSID_AviDest, L"AVI Mux",
 245             NULL, NULL, NULL, &reg_avi_mux);
 246     IFilterMapper2_RegisterFilter(mapper, &CLSID_FileWriter, L"File writer",
 247             NULL, NULL, NULL, &reg_file_writer);
 248     IFilterMapper2_RegisterFilter(mapper, &CLSID_SmartTee, L"Smart Tee",
 249             NULL, NULL, NULL, &reg_smart_tee);
 250
 251     IFilterMapper2_Release(mapper);
 252     return S_OK;
 253 }
 254
 255 /***********************************************************************
 256  *    DllUnregisterServer (QCAP.@)
 257  */
 258 HRESULT WINAPI DllUnregisterServer(void)
 259 {
 260     IFilterMapper2 *mapper;
 261     HRESULT hr;
 262
 263     if (FAILED(hr = __wine_unregister_resources()))
 264         return hr;
 265
 266     if (FAILED(hr = CoCreateInstance(&CLSID_FilterMapper2, NULL, CLSCTX_INPROC_SERVER,
 267             &IID_IFilterMapper2, (void **)&mapper)))
 268         return hr;
 269
 270     IFilterMapper2_UnregisterFilter(mapper, NULL, NULL, &CLSID_AviDest);
 271     IFilterMapper2_UnregisterFilter(mapper, NULL, NULL, &CLSID_FileWriter);
 272     IFilterMapper2_UnregisterFilter(mapper, NULL, NULL, &CLSID_SmartTee);
 273
 274     IFilterMapper2_Release(mapper);
 275     return S_OK;
 276 }
 277
 278 /***********************************************************************
 279  *    DllCanUnloadNow (QCAP.@)
 280  */
 281 HRESULT WINAPI DllCanUnloadNow(void)
 282 {
 283     TRACE(".\n");
 284
 285     return objects_ref ? S_FALSE : S_OK;
 286 }
 287
 288 DWORD ObjectRefCount(BOOL increment)
 289 {
 290     if (increment)
 291         return InterlockedIncrement(&objects_ref);
 292     return InterlockedDecrement(&objects_ref);
 293 }