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 /* Changes to this enum must be synced in drivers. */
29 enum _DriverPriority {
30 Priority_Unavailable = 0, /* driver won't work */
31 Priority_Low, /* driver may work, but unlikely */
32 Priority_Neutral, /* driver makes no judgment */
33 Priority_Preferred /* driver thinks it's correct */
34 };
35
36 typedef struct _DriverFuncs {
37 HMODULE module;
38 WCHAR module_name[64];
39 int priority;
40
41 /* Returns a "priority" value for the driver. Highest priority wins.
42 * If multiple drivers think they are valid, they will return a
43 * priority value reflecting the likelihood that they are actually
44 * valid. See enum _DriverPriority. */
45 int WINAPI (*pGetPriority)(void);
46
47 /* ids gets an array of human-friendly endpoint names
48 * keys gets an array of driver-specific stuff that is used
49 * in GetAudioEndpoint to identify the endpoint
50 * it is the caller's responsibility to free both arrays, and
51 * all of the elements in both arrays with HeapFree() */
52 HRESULT WINAPI (*pGetEndpointIDs)(EDataFlow flow, WCHAR ***ids,
53 void ***keys, UINT *num, UINT *default_index);
54 HRESULT WINAPI (*pGetAudioEndpoint)(void *key, IMMDevice *dev,
55 EDataFlow dataflow, IAudioClient **out);
56 HRESULT WINAPI (*pGetAudioSessionManager)(IMMDevice *device,
57 IAudioSessionManager2 **out);
58 } DriverFuncs;
59
60 extern DriverFuncs drvs DECLSPEC_HIDDEN;
61
62 typedef struct MMDevice {
63 IMMDevice IMMDevice_iface;
64 IMMEndpoint IMMEndpoint_iface;
65 LONG ref;
66
67 CRITICAL_SECTION crst;
68
69 EDataFlow flow;
70 DWORD state;
71 GUID devguid;
72 WCHAR *drv_id;
73 void *key;
74 } MMDevice;
75
76 extern HRESULT AudioClient_Create(MMDevice *parent, IAudioClient **ppv) DECLSPEC_HIDDEN;
77 extern HRESULT AudioEndpointVolume_Create(MMDevice *parent, IAudioEndpointVolume **ppv) DECLSPEC_HIDDEN;
78
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