dlls/quartz/fgraph.c

   1 /*
   2  * Implementation of CLSID_FilterGraph.
   3  *
   4  * Copyright (C) Hidenori TAKESHIMA <hidenori@a2.ctktv.ne.jp>
   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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  */
  20
  21 #include "config.h"
  22
  23 #include "windef.h"
  24 #include "winbase.h"
  25 #include "wingdi.h"
  26 #include "winuser.h"
  27 #include "winerror.h"
  28 #include "strmif.h"
  29 #include "control.h"
  30 #include "uuids.h"
  31
  32 #include "wine/debug.h"
  33 WINE_DEFAULT_DEBUG_CHANNEL(quartz);
  34
  35 #include "quartz_private.h"
  36 #include "fgraph.h"
  37
  38 /***************************************************************************
  39  *
  40  *      new/delete for CFilterGraph
  41  *
  42  */
  43
  44 /* can I use offsetof safely? - FIXME? */
  45 static QUARTZ_IFEntry IFEntries[] =
  46 {
  47   { &IID_IPersist, offsetof(CFilterGraph,persist)-offsetof(CFilterGraph,unk) },
  48   { &IID_IDispatch, offsetof(CFilterGraph,disp)-offsetof(CFilterGraph,unk) },
  49   { &IID_IFilterGraph, offsetof(CFilterGraph,fgraph)-offsetof(CFilterGraph,unk) },
  50   { &IID_IGraphBuilder, offsetof(CFilterGraph,fgraph)-offsetof(CFilterGraph,unk) },
  51   { &IID_IFilterGraph2, offsetof(CFilterGraph,fgraph)-offsetof(CFilterGraph,unk) },
  52   { &IID_IGraphVersion, offsetof(CFilterGraph,graphversion)-offsetof(CFilterGraph,unk) },
  53   { &IID_IMediaControl, offsetof(CFilterGraph,mediacontrol)-offsetof(CFilterGraph,unk) },
  54   { &IID_IMediaFilter, offsetof(CFilterGraph,mediafilter)-offsetof(CFilterGraph,unk) },
  55   { &IID_IMediaEvent, offsetof(CFilterGraph,mediaevent)-offsetof(CFilterGraph,unk) },
  56   { &IID_IMediaEventEx, offsetof(CFilterGraph,mediaevent)-offsetof(CFilterGraph,unk) },
  57   { &IID_IMediaEventSink, offsetof(CFilterGraph,mediaeventsink)-offsetof(CFilterGraph,unk) },
  58   { &IID_IMediaPosition, offsetof(CFilterGraph,mediaposition)-offsetof(CFilterGraph,unk) },
  59   { &IID_IMediaSeeking, offsetof(CFilterGraph,mediaseeking)-offsetof(CFilterGraph,unk) },
  60   { &IID_IBasicVideo, offsetof(CFilterGraph,basvid)-offsetof(CFilterGraph,unk) },
  61   { &IID_IBasicAudio, offsetof(CFilterGraph,basaud)-offsetof(CFilterGraph,unk) },
  62   { &IID_IVideoWindow, offsetof(CFilterGraph,vidwin)-offsetof(CFilterGraph,unk) },
  63 };
  64
  65
  66 struct FGInitEntry
  67 {
  68         HRESULT (*pInit)(CFilterGraph*);
  69         void (*pUninit)(CFilterGraph*);
  70 };
  71
  72 static const struct FGInitEntry FGRAPH_Init[] =
  73 {
  74         #define FGENT(a)        {&CFilterGraph_Init##a,&CFilterGraph_Uninit##a},
  75
  76         FGENT(IPersist)
  77         FGENT(IDispatch)
  78         FGENT(IFilterGraph2)
  79         FGENT(IGraphVersion)
  80         FGENT(IMediaControl)
  81         FGENT(IMediaFilter)
  82         FGENT(IMediaEventEx)
  83         FGENT(IMediaEventSink)
  84         FGENT(IMediaPosition)
  85         FGENT(IMediaSeeking)
  86         FGENT(IBasicVideo)
  87         FGENT(IBasicAudio)
  88         FGENT(IVideoWindow)
  89
  90         #undef  FGENT
  91         { NULL, NULL },
  92 };
  93
  94
  95 static void QUARTZ_DestroyFilterGraph(IUnknown* punk)
  96 {
  97         CFilterGraph_THIS(punk,unk);
  98         int     i;
  99
 100         TRACE( "(%p)\n", punk );
 101
 102         /* At first, call Stop. */
 103         IMediaControl_Stop( CFilterGraph_IMediaControl(This) );
 104         IMediaFilter_Stop( CFilterGraph_IMediaFilter(This) );
 105
 106         i = 0;
 107         while ( FGRAPH_Init[i].pInit != NULL )
 108         {
 109                 FGRAPH_Init[i].pUninit( This );
 110                 i++;
 111         }
 112
 113         TRACE( "succeeded.\n" );
 114 }
 115
 116 HRESULT QUARTZ_CreateFilterGraph(IUnknown* punkOuter,void** ppobj)
 117 {
 118         CFilterGraph*   pfg;
 119         HRESULT hr;
 120         int     i;
 121
 122         TRACE("(%p,%p)\n",punkOuter,ppobj);
 123
 124         pfg = (CFilterGraph*)QUARTZ_AllocObj( sizeof(CFilterGraph) );
 125         if ( pfg == NULL )
 126                 return E_OUTOFMEMORY;
 127
 128         QUARTZ_IUnkInit( &pfg->unk, punkOuter );
 129
 130         i = 0;
 131         hr = NOERROR;
 132         while ( FGRAPH_Init[i].pInit != NULL )
 133         {
 134                 hr = FGRAPH_Init[i].pInit( pfg );
 135                 if ( FAILED(hr) )
 136                         break;
 137                 i++;
 138         }
 139
 140         if ( FAILED(hr) )
 141         {
 142                 while ( --i >= 0 )
 143                         FGRAPH_Init[i].pUninit( pfg );
 144                 QUARTZ_FreeObj( pfg );
 145                 return hr;
 146         }
 147
 148         pfg->unk.pEntries = IFEntries;
 149         pfg->unk.dwEntries = sizeof(IFEntries)/sizeof(IFEntries[0]);
 150         pfg->unk.pOnFinalRelease = QUARTZ_DestroyFilterGraph;
 151
 152         *ppobj = (void*)(&pfg->unk);
 153
 154         return S_OK;
 155 }
 156
 157
 158 /***************************************************************************
 159  *
 160  *      CFilterGraph::IPersist
 161  *
 162  */
 163
 164 static HRESULT WINAPI
 165 IPersist_fnQueryInterface(IPersist* iface,REFIID riid,void** ppobj)
 166 {
 167         CFilterGraph_THIS(iface,persist);
 168
 169         TRACE("(%p)->()\n",This);
 170
 171         return IUnknown_QueryInterface(This->unk.punkControl,riid,ppobj);
 172 }
 173
 174 static ULONG WINAPI
 175 IPersist_fnAddRef(IPersist* iface)
 176 {
 177         CFilterGraph_THIS(iface,persist);
 178
 179         TRACE("(%p)->()\n",This);
 180
 181         return IUnknown_AddRef(This->unk.punkControl);
 182 }
 183
 184 static ULONG WINAPI
 185 IPersist_fnRelease(IPersist* iface)
 186 {
 187         CFilterGraph_THIS(iface,persist);
 188
 189         TRACE("(%p)->()\n",This);
 190
 191         return IUnknown_Release(This->unk.punkControl);
 192 }
 193
 194
 195 static HRESULT WINAPI
 196 IPersist_fnGetClassID(IPersist* iface,CLSID* pclsid)
 197 {
 198         CFilterGraph_THIS(iface,persist);
 199
 200         TRACE("(%p)->()\n",This);
 201
 202         if ( pclsid == NULL )
 203                 return E_POINTER;
 204         memcpy( pclsid, &CLSID_FilterGraph, sizeof(CLSID) );
 205
 206         return E_NOTIMPL;
 207 }
 208
 209
 210 static ICOM_VTABLE(IPersist) ipersist =
 211 {
 212         ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
 213         /* IUnknown fields */
 214         IPersist_fnQueryInterface,
 215         IPersist_fnAddRef,
 216         IPersist_fnRelease,
 217         /* IPersist fields */
 218         IPersist_fnGetClassID,
 219 };
 220
 221 HRESULT CFilterGraph_InitIPersist( CFilterGraph* pfg )
 222 {
 223         TRACE("(%p)\n",pfg);
 224         ICOM_VTBL(&pfg->persist) = &ipersist;
 225
 226         return NOERROR;
 227 }
 228
 229 void CFilterGraph_UninitIPersist( CFilterGraph* pfg )
 230 {
 231         TRACE("(%p)\n",pfg);
 232 }
 233
 234 /***************************************************************************
 235  *
 236  *      CFilterGraph::IDispatch
 237  *
 238  */
 239
 240 static HRESULT WINAPI
 241 IDispatch_fnQueryInterface(IDispatch* iface,REFIID riid,void** ppobj)
 242 {
 243         CFilterGraph_THIS(iface,disp);
 244
 245         TRACE("(%p)->()\n",This);
 246
 247         return IUnknown_QueryInterface(This->unk.punkControl,riid,ppobj);
 248 }
 249
 250 static ULONG WINAPI
 251 IDispatch_fnAddRef(IDispatch* iface)
 252 {
 253         CFilterGraph_THIS(iface,disp);
 254
 255         TRACE("(%p)->()\n",This);
 256
 257         return IUnknown_AddRef(This->unk.punkControl);
 258 }
 259
 260 static ULONG WINAPI
 261 IDispatch_fnRelease(IDispatch* iface)
 262 {
 263         CFilterGraph_THIS(iface,disp);
 264
 265         TRACE("(%p)->()\n",This);
 266
 267         return IUnknown_Release(This->unk.punkControl);
 268 }
 269
 270 static HRESULT WINAPI
 271 IDispatch_fnGetTypeInfoCount(IDispatch* iface,UINT* pcTypeInfo)
 272 {
 273         CFilterGraph_THIS(iface,disp);
 274
 275         FIXME("(%p)->()\n",This);
 276
 277         return E_NOTIMPL;
 278 }
 279
 280 static HRESULT WINAPI
 281 IDispatch_fnGetTypeInfo(IDispatch* iface,UINT iTypeInfo, LCID lcid, ITypeInfo** ppobj)
 282 {
 283         CFilterGraph_THIS(iface,disp);
 284
 285         FIXME("(%p)->()\n",This);
 286
 287         return E_NOTIMPL;
 288 }
 289
 290 static HRESULT WINAPI
 291 IDispatch_fnGetIDsOfNames(IDispatch* iface,REFIID riid, LPOLESTR* ppwszName, UINT cNames, LCID lcid, DISPID* pDispId)
 292 {
 293         CFilterGraph_THIS(iface,disp);
 294
 295         FIXME("(%p)->()\n",This);
 296
 297         return E_NOTIMPL;
 298 }
 299
 300 static HRESULT WINAPI
 301 IDispatch_fnInvoke(IDispatch* iface,DISPID DispId, REFIID riid, LCID lcid, WORD wFlags, DISPPARAMS* pDispParams, VARIANT* pVarRes, EXCEPINFO* pExcepInfo, UINT* puArgErr)
 302 {
 303         CFilterGraph_THIS(iface,disp);
 304
 305         FIXME("(%p)->()\n",This);
 306
 307         return E_NOTIMPL;
 308 }
 309
 310
 311
 312 static ICOM_VTABLE(IDispatch) idispatch =
 313 {
 314         ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
 315         /* IUnknown fields */
 316         IDispatch_fnQueryInterface,
 317         IDispatch_fnAddRef,
 318         IDispatch_fnRelease,
 319         /* IDispatch fields */
 320         IDispatch_fnGetTypeInfoCount,
 321         IDispatch_fnGetTypeInfo,
 322         IDispatch_fnGetIDsOfNames,
 323         IDispatch_fnInvoke,
 324 };
 325
 326
 327 HRESULT CFilterGraph_InitIDispatch( CFilterGraph* pfg )
 328 {
 329         TRACE("(%p)\n",pfg);
 330         ICOM_VTBL(&pfg->disp) = &idispatch;
 331
 332         return NOERROR;
 333 }
 334
 335 void CFilterGraph_UninitIDispatch( CFilterGraph* pfg )
 336 {
 337         TRACE("(%p)\n",pfg);
 338 }
 339
 340
 341