diff options
Diffstat (limited to 'loader/dshow/graph.c')
| -rw-r--r-- | loader/dshow/graph.c | 163 |
1 files changed, 163 insertions, 0 deletions
diff --git a/loader/dshow/graph.c b/loader/dshow/graph.c new file mode 100644 index 0000000000..01bf6c7253 --- /dev/null +++ b/loader/dshow/graph.c @@ -0,0 +1,163 @@ +/* + * 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; +} + |