reactos/lib/3rdparty/strmbase/audio.c

   1 /*
   2  * Generic Implementation of strmbase audio classes
   3  *
   4  * Copyright 2012 Aric Stewart, CodeWeavers
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  */
  20
  21 #include "strmbase_private.h"
  22
  23 static inline BasicAudio *impl_from_IBasicAudio(IBasicAudio *iface)
  24 {
  25     return CONTAINING_RECORD(iface, BasicAudio, IBasicAudio_iface);
  26 }
  27
  28 HRESULT WINAPI BasicAudio_Init(BasicAudio *pBasicAudio, const IBasicAudioVtbl *lpVtbl)
  29 {
  30     pBasicAudio->IBasicAudio_iface.lpVtbl = lpVtbl;
  31     BaseDispatch_Init(&pBasicAudio->baseDispatch, &IID_IBasicAudio);
  32
  33     return S_OK;
  34 }
  35
  36 HRESULT WINAPI BasicAudio_Destroy(BasicAudio *pBasicAudio)
  37 {
  38     return BaseDispatch_Destroy(&pBasicAudio->baseDispatch);
  39 }
  40
  41 HRESULT WINAPI BasicAudioImpl_GetTypeInfoCount(IBasicAudio *iface, UINT *pctinfo)
  42 {
  43     BasicAudio *This = impl_from_IBasicAudio(iface);
  44
  45     return BaseDispatchImpl_GetTypeInfoCount(&This->baseDispatch, pctinfo);
  46 }
  47
  48 HRESULT WINAPI BasicAudioImpl_GetTypeInfo(IBasicAudio *iface, UINT iTInfo, LCID lcid, ITypeInfo **ppTInfo)
  49 {
  50     BasicAudio *This = impl_from_IBasicAudio(iface);
  51
  52     return BaseDispatchImpl_GetTypeInfo(&This->baseDispatch, &IID_NULL, iTInfo, lcid, ppTInfo);
  53 }
  54
  55 HRESULT WINAPI BasicAudioImpl_GetIDsOfNames(IBasicAudio *iface, REFIID riid, LPOLESTR *rgszNames, UINT cNames, LCID lcid, DISPID *rgDispId)
  56 {
  57     BasicAudio *This = impl_from_IBasicAudio(iface);
  58
  59     return BaseDispatchImpl_GetIDsOfNames(&This->baseDispatch, riid, rgszNames, cNames, lcid, rgDispId);
  60 }
  61
  62 HRESULT WINAPI BasicAudioImpl_Invoke(IBasicAudio *iface, DISPID dispIdMember, REFIID riid, LCID lcid, WORD wFlags, DISPPARAMS *pDispParams, VARIANT *pVarResult, EXCEPINFO *pExepInfo, UINT *puArgErr)
  63 {
  64     BasicAudio *This = impl_from_IBasicAudio(iface);
  65     HRESULT hr = S_OK;
  66     ITypeInfo *pTypeInfo;
  67
  68     hr = BaseDispatchImpl_GetTypeInfo(&This->baseDispatch, riid, 1, lcid, &pTypeInfo);
  69     if (SUCCEEDED(hr))
  70     {
  71         hr = ITypeInfo_Invoke(pTypeInfo, &This->IBasicAudio_iface, dispIdMember, wFlags, pDispParams, pVarResult, pExepInfo, puArgErr);
  72         ITypeInfo_Release(pTypeInfo);
  73     }
  74
  75     return hr;
  76 }