dll/win32/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 #include <wine/config.h>
  20 #include <wine/port.h>
  21
  22 #include <stdarg.h>
  23
  24 #define WIN32_NO_STATUS
  25 #define _INC_WINDOWS
  26 #define COM_NO_WINDOWS_H
  27
  28 #define COBJMACROS
  29 #define NONAMELESSUNION
  30
  31 #include <windef.h>
  32 #include <winbase.h>
  33 #include <wingdi.h>
  34 #include <winreg.h>
  35 #include <objbase.h>
  36 #include <audiopolicy.h>
  37 #include <endpointvolume.h>
  38 #include <mmdeviceapi.h>
  39
  40 #include <wine/debug.h>
  41 #include <wine/unicode.h>
  42
  43 WINE_DEFAULT_DEBUG_CHANNEL(mmdevapi);
  44
  45 extern HRESULT MMDevEnum_Create(REFIID riid, void **ppv) DECLSPEC_HIDDEN;
  46 extern void MMDevEnum_Free(void) DECLSPEC_HIDDEN;
  47
  48
  49 /* Changes to this enum must be synced in drivers. */
  50 enum _DriverPriority {
  51     Priority_Unavailable = 0, /* driver won't work */
  52     Priority_Low, /* driver may work, but unlikely */
  53     Priority_Neutral, /* driver makes no judgment */
  54     Priority_Preferred /* driver thinks it's correct */
  55 };
  56
  57 typedef struct _DriverFuncs {
  58     HMODULE module;
  59     WCHAR module_name[64];
  60     int priority;
  61
  62     /* Returns a "priority" value for the driver. Highest priority wins.
  63      * If multiple drivers think they are valid, they will return a
  64      * priority value reflecting the likelihood that they are actually
  65      * valid. See enum _DriverPriority. */
  66     int (WINAPI *pGetPriority)(void);
  67
  68     /* ids gets an array of human-friendly endpoint names
  69      * keys gets an array of driver-specific stuff that is used
  70      *   in GetAudioEndpoint to identify the endpoint
  71      * it is the caller's responsibility to free both arrays, and
  72      *   all of the elements in both arrays with HeapFree() */
  73     HRESULT (WINAPI *pGetEndpointIDs)(EDataFlow flow, WCHAR ***ids,
  74             GUID **guids, UINT *num, UINT *default_index);
  75     HRESULT (WINAPI *pGetAudioEndpoint)(void *key, IMMDevice *dev,
  76             IAudioClient **out);
  77     HRESULT (WINAPI *pGetAudioSessionManager)(IMMDevice *device,
  78             IAudioSessionManager2 **out);
  79 } DriverFuncs;
  80
  81 extern DriverFuncs drvs DECLSPEC_HIDDEN;
  82
  83 typedef struct MMDevice {
  84     IMMDevice IMMDevice_iface;
  85     IMMEndpoint IMMEndpoint_iface;
  86     LONG ref;
  87
  88     CRITICAL_SECTION crst;
  89
  90     EDataFlow flow;
  91     DWORD state;
  92     GUID devguid;
  93     WCHAR *drv_id;
  94 } MMDevice;
  95
  96 extern HRESULT AudioClient_Create(MMDevice *parent, IAudioClient **ppv) DECLSPEC_HIDDEN;
  97 extern HRESULT AudioEndpointVolume_Create(MMDevice *parent, IAudioEndpointVolume **ppv) DECLSPEC_HIDDEN;
  98
  99 extern const WCHAR drv_keyW[] DECLSPEC_HIDDEN;