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) DECLSPEC_HIDDEN;
  24 extern void MMDevEnum_Free(void) DECLSPEC_HIDDEN;
  25
  26 extern HRESULT MMDevice_GetPropValue(const GUID *devguid, DWORD flow, REFPROPERTYKEY key, PROPVARIANT *pv) DECLSPEC_HIDDEN;
  27
  28 typedef struct _DriverFuncs {
  29     HMODULE module;
  30     WCHAR module_name[64];
  31
  32     /* ids gets an array of human-friendly endpoint names
  33      * keys gets an array of driver-specific stuff that is used
  34      *   in GetAudioEndpoint to identify the endpoint
  35      * it is the caller's responsibility to free both arrays, and
  36      *   all of the elements in both arrays with HeapFree() */
  37     HRESULT WINAPI (*pGetEndpointIDs)(EDataFlow flow, WCHAR ***ids,
  38             void ***keys, UINT *num, UINT *default_index);
  39     HRESULT WINAPI (*pGetAudioEndpoint)(void *key, IMMDevice *dev,
  40             EDataFlow dataflow, IAudioClient **out);
  41     HRESULT WINAPI (*pGetAudioSessionManager)(IMMDevice *device,
  42             IAudioSessionManager2 **out);
  43 } DriverFuncs;
  44
  45 extern DriverFuncs drvs DECLSPEC_HIDDEN;
  46
  47 typedef struct MMDevice {
  48     IMMDevice IMMDevice_iface;
  49     IMMEndpoint IMMEndpoint_iface;
  50     LONG ref;
  51
  52     CRITICAL_SECTION crst;
  53
  54     EDataFlow flow;
  55     DWORD state;
  56     GUID devguid;
  57     WCHAR *drv_id;
  58     void *key;
  59 } MMDevice;
  60
  61 extern HRESULT AudioClient_Create(MMDevice *parent, IAudioClient **ppv) DECLSPEC_HIDDEN;
  62 extern HRESULT AudioEndpointVolume_Create(MMDevice *parent, IAudioEndpointVolume **ppv) DECLSPEC_HIDDEN;