mpd/src/output/plugins/wasapi/PropertyStore.hxx

45 lines
1.3 KiB
C++

/*
* Copyright 2020-2021 The Music Player Daemon Project
* http://www.musicpd.org
*
* This program 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.
*
* This program 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 this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef MPD_WASAPI_PROPERTY_STORE_HXX
#define MPD_WASAPI_PROPERTY_STORE_HXX
#include "win32/PropVariant.hxx"
#include "util/AllocatedString.hxx"
#include "util/ScopeExit.hxx"
#include <propsys.h>
[[gnu::pure]]
inline AllocatedString
GetString(IPropertyStore &ps, REFPROPERTYKEY key) noexcept
{
PROPVARIANT pv;
PropVariantInit(&pv);
HRESULT result = ps.GetValue(key, &pv);
if (FAILED(result))
return nullptr;
AtScopeExit(&) { PropVariantClear(&pv); };
return ToString(pv);
}
#endif