dlls/mmdevapi/mmdevapi.h

   1 /*
   2  * Copyright 2009 Maarten Lankhorst
   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 #ifndef __WINE_CONFIG_H
  20 # error You must include config.h to use this header
  21 #endif
  22
  23 extern HRESULT MMDevEnum_Create(REFIID riid, void **ppv);
  24 extern void MMDevEnum_Free(void);
  25
  26 extern HRESULT MMDevice_GetPropValue(const GUID *devguid, DWORD flow, REFPROPERTYKEY key, PROPVARIANT *pv);
  27
  28 typedef struct _DriverFuncs {
  29     HMODULE module;
  30
  31     /* ids gets an array of human-friendly endpoint names
  32      * keys gets an array of driver-specific stuff that is used
  33      *   in GetAudioEndpoint to identify the endpoint
  34      * it is the caller's responsibility to free both arrays, and
  35      *   all of the elements in both arrays with HeapFree() */
  36     HRESULT WINAPI (*pGetEndpointIDs)(EDataFlow flow, WCHAR ***ids,
  37             void ***keys, UINT *num, UINT *default_index);
  38     HRESULT WINAPI (*pGetAudioEndpoint)(void *key, IMMDevice *dev,
  39             EDataFlow dataflow, IAudioClient **out);
  40 } DriverFuncs;
  41
  42 extern DriverFuncs drvs;
  43
  44 typedef struct MMDevice {
  45     IMMDevice IMMDevice_iface;
  46     IMMEndpoint IMMEndpoint_iface;
  47     LONG ref;
  48
  49     CRITICAL_SECTION crst;
  50
  51     EDataFlow flow;
  52     DWORD state;
  53     GUID devguid;
  54     WCHAR *drv_id;
  55     void *key;
  56 } MMDevice;
  57
  58 extern HRESULT AudioClient_Create(MMDevice *parent, IAudioClient **ppv);
  59 extern HRESULT AudioEndpointVolume_Create(MMDevice *parent, IAudioEndpointVolume **ppv);