dlls/xaudio2_8/xaudio_dll.c

   1 /*
   2  * Copyright (c) 2015 Andrew Eikum for CodeWeavers
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2.1 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library; if not, write to the Free Software
  16  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  17  */
  18
  19 #include <stdarg.h>
  20
  21 #define COBJMACROS
  22
  23 #include "windef.h"
  24 #include "winbase.h"
  25 #include "winuser.h"
  26
  27 #include "initguid.h"
  28 #include "xaudio2.h"
  29 #include "xaudio2fx.h"
  30 #include "xapo.h"
  31
  32 BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved)
  33 {
  34     switch (fdwReason)
  35     {
  36     case DLL_WINE_PREATTACH:
  37         return FALSE;  /* prefer native version */
  38     case DLL_PROCESS_ATTACH:
  39         DisableThreadLibraryCalls( hinstDLL );
  40         break;
  41     }
  42     return TRUE;
  43 }
  44
  45 HRESULT WINAPI XAudio2Create(IXAudio2 **ppxa2, UINT32 flags, XAUDIO2_PROCESSOR proc)
  46 {
  47     HRESULT hr;
  48     IXAudio2 *xa2;
  49     IXAudio27 *xa27;
  50
  51     /* create XAudio2 2.8 instance */
  52     hr = CoCreateInstance(&CLSID_XAudio2, NULL, CLSCTX_INPROC_SERVER,
  53             &IID_IXAudio2, (void**)&xa2);
  54     if(FAILED(hr))
  55         return hr;
  56
  57     hr = IXAudio2_QueryInterface(xa2, &IID_IXAudio27, (void**)&xa27);
  58     if(FAILED(hr)){
  59         IXAudio2_Release(xa2);
  60         return hr;
  61     }
  62
  63     hr = IXAudio27_Initialize(xa27, flags, proc);
  64     if(FAILED(hr)){
  65         IXAudio27_Release(xa27);
  66         IXAudio2_Release(xa2);
  67         return hr;
  68     }
  69
  70     IXAudio27_Release(xa27);
  71
  72     *ppxa2 = xa2;
  73
  74     return S_OK;
  75 }
  76
  77 HRESULT WINAPI CreateAudioVolumeMeter(IUnknown **out)
  78 {
  79     return CoCreateInstance(&CLSID_AudioVolumeMeter, NULL, CLSCTX_INPROC_SERVER,
  80             &IID_IUnknown, (void**)out);
  81 }
  82
  83 HRESULT WINAPI CreateAudioReverb(IUnknown **out)
  84 {
  85     return CoCreateInstance(&CLSID_AudioReverb, NULL, CLSCTX_INPROC_SERVER,
  86             &IID_IUnknown, (void**)out);
  87 }