forked from Mirrors/wine-wine
84 lines
2.4 KiB
C
84 lines
2.4 KiB
C
/*
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* ITypeInfo cache for IDispatch
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*
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* Copyright 2019 Zebediah Figura
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include "strmbase_private.h"
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WINE_DEFAULT_DEBUG_CHANNEL(strmbase);
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static ITypeLib *control_typelib;
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static ITypeInfo *control_typeinfo[last_tid];
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static REFIID control_tid_id[] =
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{
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&IID_IBasicAudio,
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&IID_IBasicVideo,
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&IID_IMediaControl,
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&IID_IMediaEvent,
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&IID_IMediaPosition,
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&IID_IVideoWindow,
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};
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HRESULT strmbase_get_typeinfo(enum strmbase_type_id tid, ITypeInfo **ret)
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{
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HRESULT hr;
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if (!control_typelib)
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{
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ITypeLib *typelib;
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hr = LoadRegTypeLib(&LIBID_QuartzTypeLib, 1, 0, LOCALE_SYSTEM_DEFAULT, &typelib);
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if (FAILED(hr))
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{
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ERR("Failed to load typelib, hr %#x.\n", hr);
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return hr;
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}
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if (InterlockedCompareExchangePointer((void **)&control_typelib, typelib, NULL))
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ITypeLib_Release(typelib);
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}
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if (!control_typeinfo[tid])
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{
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ITypeInfo *typeinfo;
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hr = ITypeLib_GetTypeInfoOfGuid(control_typelib, control_tid_id[tid], &typeinfo);
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if (FAILED(hr))
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{
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ERR("Failed to get type info for %s, hr %#x.\n", debugstr_guid(control_tid_id[tid]), hr);
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return hr;
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}
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if (InterlockedCompareExchangePointer((void **)(control_typeinfo + tid), typeinfo, NULL))
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ITypeInfo_Release(typeinfo);
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}
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ITypeInfo_AddRef(*ret = control_typeinfo[tid]);
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return S_OK;
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}
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void strmbase_release_typelibs(void)
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{
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unsigned int i;
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for (i = 0; i < ARRAY_SIZE(control_typeinfo); ++i)
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{
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if (control_typeinfo[i])
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ITypeInfo_Release(control_typeinfo[i]);
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}
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if (control_typelib)
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ITypeLib_Release(control_typelib);
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}
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