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Reactos
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123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778/* * 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 */
#pragma once
extern HRESULT MMDevEnum_Create(REFIID riid, void **ppv) DECLSPEC_HIDDEN;extern void MMDevEnum_Free(void) 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, GUID **guids, UINT *num, UINT *default_index); HRESULT (WINAPI *pGetAudioEndpoint)(void *key, IMMDevice *dev, IAudioClient **out); HRESULT (WINAPI *pGetAudioSessionManager)(IMMDevice *device, IAudioSessionManager2 **out); HRESULT (WINAPI *pGetPropValue)(GUID *guid, const PROPERTYKEY *prop, PROPVARIANT *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;} MMDevice;
extern HRESULT AudioClient_Create(MMDevice *parent, IAudioClient **ppv) DECLSPEC_HIDDEN;extern HRESULT AudioEndpointVolume_Create(MMDevice *parent, IAudioEndpointVolumeEx **ppv) DECLSPEC_HIDDEN;
extern const WCHAR drv_keyW[] DECLSPEC_HIDDEN;