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/*
* Implemention of FilterGraph. Based on allocator.c.
* Copyright 2010 Steinar H. Gunderson
*
* This file is part of MPlayer.
*
* MPlayer is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* MPlayer is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with MPlayer; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Modified for use with MPlayer, detailed changelog at
* http://svn.mplayerhq.hu/mplayer/trunk/
*/
#include <stdio.h>
#include <stdlib.h>
#include "config.h"
#include "loader/com.h"
#include "loader/dshow/graph.h"
#include "loader/wine/winerror.h"
// How many FilterGraph objects exist.
// Used for knowing when to register and unregister the class in COM.
static int GraphKeeper = 0;
static long FilterGraph_CreateGraph(GUID* clsid, const GUID* iid, void** ppv)
{
IUnknown* p;
int result;
if (!ppv)
return -1;
*ppv = 0;
if (memcmp(clsid, &CLSID_FilterGraph, sizeof(*clsid)))
return -1;
p = (IUnknown*) FilterGraphCreate();
result = p->vt->QueryInterface(p, iid, ppv);
p->vt->Release(p);
return result;
}
static void FilterGraph_Destroy(FilterGraph* This)
{
Debug printf("FilterGraph_Destroy(%p) called (%d, %d)\n", This, This->refcount, GraphKeeper);
#ifdef WIN32_LOADER
if (--GraphKeeper == 0)
UnregisterComClass(&CLSID_FilterGraph, FilterGraph_CreateGraph);
#endif
free(This->vt);
free(This);
}
HRESULT STDCALL FilterGraph_AddFilter(FilterGraph* This,
IBaseFilter* pFilter,
unsigned short* pName)
{
Debug printf("FilterGraph_AddFilter(%p) called\n", This);
return E_NOTIMPL;
}
HRESULT STDCALL FilterGraph_RemoveFilter(FilterGraph* This, IBaseFilter* pFilter)
{
Debug printf("FilterGraph_RemoveFilter(%p) called\n", This);
return E_NOTIMPL;
}
HRESULT STDCALL FilterGraph_EnumFilters(FilterGraph* This, IEnumFilters** ppEnum)
{
Debug printf("FilterGraph_EnumFilters(%p) called\n", This);
return E_NOTIMPL;
}
HRESULT STDCALL FilterGraph_FindFilterByName(FilterGraph* This,
unsigned short* pName,
IBaseFilter** ppFilter)
{
Debug printf("FilterGraph_FindFilterByName(%p) called\n", This);
return E_NOTIMPL;
}
HRESULT STDCALL FilterGraph_ConnectDirect(FilterGraph* This,
IPin* ppinOut,
IPin* ppinIn,
const AM_MEDIA_TYPE* pmt)
{
Debug printf("FilterGraph_ConnectDirect(%p) called\n", This);
return E_NOTIMPL;
}
HRESULT STDCALL FilterGraph_Reconnect(FilterGraph* This, IPin* ppin)
{
Debug printf("FilterGraph_Reconnect(%p) called\n", This);
return E_NOTIMPL;
}
HRESULT STDCALL FilterGraph_Disconnect(FilterGraph* This, IPin* ppin)
{
Debug printf("FilterGraph_Disconnect(%p) called\n", This);
return E_NOTIMPL;
}
HRESULT STDCALL FilterGraph_SetDefaultSyncSource(FilterGraph* This)
{
Debug printf("FilterGraph_SetDefaultSyncSource(%p) called\n", This);
return E_NOTIMPL;
}
IMPLEMENT_IUNKNOWN(FilterGraph)
FilterGraph* FilterGraphCreate()
{
FilterGraph* This = calloc(1, sizeof(*This));
if (!This)
return NULL;
Debug printf("FilterGraphCreate() called -> %p\n", This);
This->refcount = 1;
This->vt = calloc(1, sizeof(*This->vt));
if (!This->vt) {
free(This);
return NULL;
}
This->vt->QueryInterface = FilterGraph_QueryInterface;
This->vt->AddRef = FilterGraph_AddRef;
This->vt->Release = FilterGraph_Release;
This->vt->AddFilter = FilterGraph_AddFilter;
This->vt->RemoveFilter = FilterGraph_RemoveFilter;
This->vt->EnumFilters = FilterGraph_EnumFilters;
This->vt->FindFilterByName = FilterGraph_FindFilterByName;
This->vt->ConnectDirect = FilterGraph_ConnectDirect;
This->vt->Reconnect = FilterGraph_Reconnect;
This->vt->Disconnect = FilterGraph_Disconnect;
This->vt->SetDefaultSyncSource = FilterGraph_SetDefaultSyncSource;
This->interfaces[0] = IID_IUnknown;
This->interfaces[1] = IID_IFilterGraph;
#ifdef WIN32_LOADER
if (GraphKeeper++ == 0)
RegisterComClass(&CLSID_FilterGraph, FilterGraph_CreateGraph);
#endif
return This;
}
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