138 lines
3.5 KiB
C
138 lines
3.5 KiB
C
/*
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* Implementation of CLSID_FilterGraph.
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*
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* hidenori@a2.ctktv.ne.jp
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*/
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#include "config.h"
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#include "windef.h"
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#include "winbase.h"
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#include "wingdi.h"
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#include "winerror.h"
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#include "wine/obj_base.h"
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#include "wine/obj_oleaut.h"
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#include "strmif.h"
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#include "control.h"
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#include "uuids.h"
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#include "debugtools.h"
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DEFAULT_DEBUG_CHANNEL(quartz);
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#include "quartz_private.h"
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#include "fgraph.h"
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/* can I use offsetof safely? - FIXME? */
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static QUARTZ_IFEntry IFEntries[] =
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{
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{ &IID_IPersist, offsetof(CFilterGraph,persist)-offsetof(CFilterGraph,unk) },
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{ &IID_IDispatch, offsetof(CFilterGraph,disp)-offsetof(CFilterGraph,unk) },
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{ &IID_IFilterGraph, offsetof(CFilterGraph,fgraph)-offsetof(CFilterGraph,unk) },
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{ &IID_IGraphBuilder, offsetof(CFilterGraph,fgraph)-offsetof(CFilterGraph,unk) },
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{ &IID_IFilterGraph2, offsetof(CFilterGraph,fgraph)-offsetof(CFilterGraph,unk) },
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{ &IID_IGraphVersion, offsetof(CFilterGraph,graphversion)-offsetof(CFilterGraph,unk) },
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{ &IID_IMediaControl, offsetof(CFilterGraph,mediacontrol)-offsetof(CFilterGraph,unk) },
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{ &IID_IMediaFilter, offsetof(CFilterGraph,mediafilter)-offsetof(CFilterGraph,unk) },
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{ &IID_IMediaEvent, offsetof(CFilterGraph,mediaevent)-offsetof(CFilterGraph,unk) },
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{ &IID_IMediaEventEx, offsetof(CFilterGraph,mediaevent)-offsetof(CFilterGraph,unk) },
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{ &IID_IMediaEventSink, offsetof(CFilterGraph,mediaeventsink)-offsetof(CFilterGraph,unk) },
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{ &IID_IMediaPosition, offsetof(CFilterGraph,mediaposition)-offsetof(CFilterGraph,unk) },
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{ &IID_IMediaSeeking, offsetof(CFilterGraph,mediaseeking)-offsetof(CFilterGraph,unk) },
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{ &IID_IBasicVideo, offsetof(CFilterGraph,basvid)-offsetof(CFilterGraph,unk) },
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{ &IID_IBasicVideo2, offsetof(CFilterGraph,basvid)-offsetof(CFilterGraph,unk) },
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{ &IID_IBasicAudio, offsetof(CFilterGraph,basaud)-offsetof(CFilterGraph,unk) },
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{ &IID_IVideoWindow, offsetof(CFilterGraph,vidwin)-offsetof(CFilterGraph,unk) },
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};
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struct FGInitEntry
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{
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HRESULT (*pInit)(CFilterGraph*);
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void (*pUninit)(CFilterGraph*);
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};
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static const struct FGInitEntry FGRAPH_Init[] =
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{
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#define FGENT(a) {&CFilterGraph_Init##a,&CFilterGraph_Uninit##a},
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FGENT(IPersist)
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FGENT(IDispatch)
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FGENT(IFilterGraph2)
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FGENT(IGraphVersion)
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FGENT(IMediaControl)
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FGENT(IMediaFilter)
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FGENT(IMediaEventEx)
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FGENT(IMediaEventSink)
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FGENT(IMediaPosition)
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FGENT(IMediaSeeking)
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FGENT(IBasicVideo2)
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FGENT(IBasicAudio)
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FGENT(IVideoWindow)
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#undef FGENT
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{ NULL, NULL },
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};
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static void QUARTZ_DestroyFilterGraph(IUnknown* punk)
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{
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CFilterGraph_THIS(punk,unk);
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int i;
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/* At first, call Stop. */
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IMediaControl_Stop( CFilterGraph_IMediaControl(This) );
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IMediaFilter_Stop( CFilterGraph_IMediaFilter(This) );
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i = 0;
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while ( FGRAPH_Init[i].pInit != NULL )
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{
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FGRAPH_Init[i].pUninit( This );
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i++;
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}
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TRACE( "succeeded.\n" );
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}
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HRESULT QUARTZ_CreateFilterGraph(IUnknown* punkOuter,void** ppobj)
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{
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CFilterGraph* pfg;
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HRESULT hr;
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int i;
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TRACE("(%p,%p)\n",punkOuter,ppobj);
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pfg = (CFilterGraph*)QUARTZ_AllocObj( sizeof(CFilterGraph) );
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if ( pfg == NULL )
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return E_OUTOFMEMORY;
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QUARTZ_IUnkInit( &pfg->unk, punkOuter );
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i = 0;
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hr = NOERROR;
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while ( FGRAPH_Init[i].pInit != NULL )
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{
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hr = FGRAPH_Init[i].pInit( pfg );
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if ( FAILED(hr) )
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break;
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i++;
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}
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if ( FAILED(hr) )
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{
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while ( --i >= 0 )
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FGRAPH_Init[i].pUninit( pfg );
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QUARTZ_FreeObj( pfg );
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return hr;
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}
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pfg->unk.pEntries = IFEntries;
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pfg->unk.dwEntries = sizeof(IFEntries)/sizeof(IFEntries[0]);
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pfg->unk.pOnFinalRelease = QUARTZ_DestroyFilterGraph;
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*ppobj = (void*)(&pfg->unk);
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return S_OK;
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}
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