File: mmdevapi.h

package info (click to toggle)
wine 1.4.1-4
  • links: PTS, VCS
  • area: main
  • in suites: wheezy
  • size: 156,772 kB
  • sloc: ansic: 2,124,295; perl: 17,673; yacc: 12,202; makefile: 7,447; sh: 3,981; lex: 3,913; cpp: 812; awk: 69; xml: 21; sed: 3
file content (79 lines) | stat: -rw-r--r-- 3,002 bytes parent folder | download
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
/*
 * Copyright 2009 Maarten Lankhorst
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
 */

#ifndef __WINE_CONFIG_H
# error You must include config.h to use this header
#endif

extern HRESULT MMDevEnum_Create(REFIID riid, void **ppv) DECLSPEC_HIDDEN;
extern void MMDevEnum_Free(void) DECLSPEC_HIDDEN;

extern HRESULT MMDevice_GetPropValue(const GUID *devguid, DWORD flow, REFPROPERTYKEY key, PROPVARIANT *pv) DECLSPEC_HIDDEN;

/* Changes to this enum must be synced in drivers. */
enum _DriverPriority {
    Priority_Unavailable = 0, /* driver won't work */
    Priority_Low, /* driver may work, but unlikely */
    Priority_Neutral, /* driver makes no judgment */
    Priority_Preferred /* driver thinks it's correct */
};

typedef struct _DriverFuncs {
    HMODULE module;
    WCHAR module_name[64];
    int priority;

    /* Returns a "priority" value for the driver. Highest priority wins.
     * If multiple drivers think they are valid, they will return a
     * priority value reflecting the likelihood that they are actually
     * valid. See enum _DriverPriority. */
    int WINAPI (*pGetPriority)(void);

    /* ids gets an array of human-friendly endpoint names
     * keys gets an array of driver-specific stuff that is used
     *   in GetAudioEndpoint to identify the endpoint
     * it is the caller's responsibility to free both arrays, and
     *   all of the elements in both arrays with HeapFree() */
    HRESULT WINAPI (*pGetEndpointIDs)(EDataFlow flow, WCHAR ***ids,
            void ***keys, UINT *num, UINT *default_index);
    HRESULT WINAPI (*pGetAudioEndpoint)(void *key, IMMDevice *dev,
            EDataFlow dataflow, IAudioClient **out);
    HRESULT WINAPI (*pGetAudioSessionManager)(IMMDevice *device,
            IAudioSessionManager2 **out);
} DriverFuncs;

extern DriverFuncs drvs DECLSPEC_HIDDEN;

typedef struct MMDevice {
    IMMDevice IMMDevice_iface;
    IMMEndpoint IMMEndpoint_iface;
    LONG ref;

    CRITICAL_SECTION crst;

    EDataFlow flow;
    DWORD state;
    GUID devguid;
    WCHAR *drv_id;
    void *key;
} MMDevice;

extern HRESULT AudioClient_Create(MMDevice *parent, IAudioClient **ppv) DECLSPEC_HIDDEN;
extern HRESULT AudioEndpointVolume_Create(MMDevice *parent, IAudioEndpointVolume **ppv) DECLSPEC_HIDDEN;

extern const WCHAR drv_keyW[] DECLSPEC_HIDDEN;