dlls/mmdevapi/mmdevapi_private.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 <assert.h>
  20
  21 #include <endpointvolume.h>
  22 #include <spatialaudioclient.h>
  23 #include <winternl.h>
  24
  25 #include <wine/list.h>
  26 #include <wine/unixlib.h>
  27
  28 #include "unixlib.h"
  29 #include "mmdevdrv.h"
  30
  31 extern HRESULT MMDevEnum_Create(REFIID riid, void **ppv);
  32 extern void MMDevEnum_Free(void);
  33
  34 typedef struct _DriverFuncs {
  35     HMODULE module;
  36     unixlib_handle_t module_unixlib;
  37     WCHAR module_name[64];
  38
  39     /* Highest priority wins.
  40      * If multiple drivers think they are valid, they will return a
  41      * priority value reflecting the likelihood that they are actually
  42      * valid. See enum _DriverPriority. */
  43     int priority;
  44
  45     void (WINAPI *pget_device_guid)(EDataFlow flow, const char *name, GUID *guid);
  46     BOOL (WINAPI *pget_device_name_from_guid)(GUID *guid, char **name, EDataFlow *flow);
  47 } DriverFuncs;
  48
  49 extern DriverFuncs drvs;
  50
  51 typedef struct MMDevice {
  52     IMMDevice IMMDevice_iface;
  53     IMMEndpoint IMMEndpoint_iface;
  54     LONG ref;
  55
  56     CRITICAL_SECTION crst;
  57
  58     EDataFlow flow;
  59     DWORD state;
  60     GUID devguid;
  61     WCHAR *drv_id;
  62
  63     struct list entry;
  64 } MMDevice;
  65
  66 static inline void wine_unix_call(const unsigned int code, void *args)
  67 {
  68     const NTSTATUS status = __wine_unix_call(drvs.module_unixlib, code, args);
  69     assert(!status);
  70 }
  71
  72 extern HRESULT AudioClient_Create(GUID *guid, IMMDevice *device, IAudioClient **out);
  73 extern HRESULT AudioEndpointVolume_Create(MMDevice *parent, IAudioEndpointVolumeEx **ppv);
  74 extern HRESULT AudioSessionManager_Create(IMMDevice *device, IAudioSessionManager2 **ppv);
  75 extern HRESULT SpatialAudioClient_Create(IMMDevice *device, ISpatialAudioClient **out);
  76
  77 extern HRESULT load_devices_from_reg(void);
  78 extern HRESULT load_driver_devices(EDataFlow flow);
  79
  80 extern void main_loop_stop(void);
  81
  82 extern const WCHAR drv_keyW[];