wine/dlls/strmbase/audio.c
Nikolay Sivov 7dd00af747 strmbase: Remove some redundant return value initializers.
Signed-off-by: Nikolay Sivov <nsivov@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
2015-10-20 00:30:37 +09:00

85 lines
2.8 KiB
C

/*
* Generic Implementation of strmbase audio classes
*
* Copyright 2012 Aric Stewart, CodeWeavers
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#define COBJMACROS
#include <assert.h>
#include "dshow.h"
#include "uuids.h"
#include "vfwmsgs.h"
#include "wine/unicode.h"
#include "wine/strmbase.h"
static inline BasicAudio *impl_from_IBasicAudio(IBasicAudio *iface)
{
return CONTAINING_RECORD(iface, BasicAudio, IBasicAudio_iface);
}
HRESULT WINAPI BasicAudio_Init(BasicAudio *pBasicAudio, const IBasicAudioVtbl *lpVtbl)
{
pBasicAudio->IBasicAudio_iface.lpVtbl = lpVtbl;
BaseDispatch_Init(&pBasicAudio->baseDispatch, &IID_IBasicAudio);
return S_OK;
}
HRESULT WINAPI BasicAudio_Destroy(BasicAudio *pBasicAudio)
{
return BaseDispatch_Destroy(&pBasicAudio->baseDispatch);
}
HRESULT WINAPI BasicAudioImpl_GetTypeInfoCount(IBasicAudio *iface, UINT *pctinfo)
{
BasicAudio *This = impl_from_IBasicAudio(iface);
return BaseDispatchImpl_GetTypeInfoCount(&This->baseDispatch, pctinfo);
}
HRESULT WINAPI BasicAudioImpl_GetTypeInfo(IBasicAudio *iface, UINT iTInfo, LCID lcid, ITypeInfo **ppTInfo)
{
BasicAudio *This = impl_from_IBasicAudio(iface);
return BaseDispatchImpl_GetTypeInfo(&This->baseDispatch, &IID_NULL, iTInfo, lcid, ppTInfo);
}
HRESULT WINAPI BasicAudioImpl_GetIDsOfNames(IBasicAudio *iface, REFIID riid, LPOLESTR *rgszNames, UINT cNames, LCID lcid, DISPID *rgDispId)
{
BasicAudio *This = impl_from_IBasicAudio(iface);
return BaseDispatchImpl_GetIDsOfNames(&This->baseDispatch, riid, rgszNames, cNames, lcid, rgDispId);
}
HRESULT WINAPI BasicAudioImpl_Invoke(IBasicAudio *iface, DISPID dispIdMember, REFIID riid, LCID lcid, WORD wFlags, DISPPARAMS *pDispParams, VARIANT *pVarResult, EXCEPINFO *pExepInfo, UINT *puArgErr)
{
BasicAudio *This = impl_from_IBasicAudio(iface);
ITypeInfo *pTypeInfo;
HRESULT hr;
hr = BaseDispatchImpl_GetTypeInfo(&This->baseDispatch, riid, 1, lcid, &pTypeInfo);
if (SUCCEEDED(hr))
{
hr = ITypeInfo_Invoke(pTypeInfo, &This->IBasicAudio_iface, dispIdMember, wFlags, pDispParams, pVarResult, pExepInfo, puArgErr);
ITypeInfo_Release(pTypeInfo);
}
return hr;
}