wine/dlls/mmdevapi/mmdevapi.h

/*
 * 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;

typedef struct _DriverFuncs {
    HMODULE module;

    /* 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);
} 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;