162 lines
4.3 KiB
C
162 lines
4.3 KiB
C
/******************************Module*Header*******************************\
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* Module Name: mixer.h
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*
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* Internal header file for mixer.c
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*
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*
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* Created: 27-10-93
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* Author: Stephen Estrop [StephenE]
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*
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* Copyright (c) 1993-2001 Microsoft Corporation
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\**************************************************************************/
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#define UNICODE
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#ifndef WIN32
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#define WIN32
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#endif
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#include <stdlib.h>
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#include <windows.h>
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#include "mmsystem.h" // pick up the internal one
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#include "mmsysp.h" // pick up the internal one
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#include "mmddk.h"
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#define NONEWWAVE
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#include <mmreg.h>
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#undef NONEWWAVE
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//
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// Avoid including msacm.h - in any case this define should be in mmreg.h
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//
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#ifndef DRVM_MAPPER_STATUS
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#define DRVM_MAPPER_STATUS (0x2000)
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#endif
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#ifndef WIDM_MAPPER_STATUS
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#define WIDM_MAPPER_STATUS (DRVM_MAPPER_STATUS + 0)
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#define WAVEIN_MAPPER_STATUS_DEVICE 0
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#define WAVEIN_MAPPER_STATUS_MAPPED 1
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#endif
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#ifndef WODM_MAPPER_STATUS
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#define WODM_MAPPER_STATUS (DRVM_MAPPER_STATUS + 0)
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#define WAVEOUT_MAPPER_STATUS_DEVICE 0
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#define WAVEOUT_MAPPER_STATUS_MAPPED 1
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#endif
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#define MMDDKINC
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#include "winmmi.h"
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#define MIXMGR_ENTER EnterCriticalSection(&HandleListCritSec)
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#define MIXMGR_LEAVE LeaveCriticalSection(&HandleListCritSec)
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//typedef struct
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//{
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// HDRVR hdrvr; // handle to the module
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// DRIVERMSGPROC drvMessage; // pointer to entry point
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// BYTE bNumDevs; // number of devices supported
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// BYTE bUsage; // usage count (number of handles open)
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// DWORD cookie; // cookie used for WDM devices.
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// CRITICAL_SECTION MixerCritSec; // Serialize use of mixer
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// WCHAR wszDrvEntry[64]; // driver filename
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//} MIXERDRV, *PMIXERDRV;
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typedef struct tMIXERDEV
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{
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UINT uHandleType; // for parameter validation
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struct tMIXERDEV *pmxdevNext; /* How quaint, a linked list... */
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PMIXERDRV pmxdrv;
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UINT wDevice;
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DWORD_PTR dwDrvUser;
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UINT uDeviceID;
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DWORD fdwSupport; // from the driver's mixercaps
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DWORD cDestinations; // from the driver's mixercaps
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DWORD_PTR dwCallback; // client's callback and inst data
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DWORD_PTR dwInstance;
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DWORD fdwOpen; /* The open flags the caller used */
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DWORD fdwHandle;
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} MIXERDEV, *PMIXERDEV;
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/* -------------------------------------------------------------------------
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** internal function prototypes
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** -------------------------------------------------------------------------
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*/
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BOOL CALLBACK MixerCallbackFunc(
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HMIXER hmx,
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UINT uMsg,
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DWORD_PTR dwInstance,
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DWORD_PTR dwParam1,
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DWORD_PTR dwParam2
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);
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MMRESULT mixerReferenceDriverById(
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IN UINT uId,
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OUT PMIXERDRV *ppdrv OPTIONAL,
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OUT UINT *pport OPTIONAL
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);
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DWORD NEAR PASCAL IMixerMessageHandle(
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HMIXER hmx,
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UINT uMsg,
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DWORD_PTR dwP1,
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DWORD_PTR dwP2
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);
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DWORD NEAR PASCAL IMixerMessageId(
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UINT uDeviceID,
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UINT uMsg,
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DWORD_PTR dwParam1,
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DWORD_PTR dwParam2
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);
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void
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ConvertMIXERLINEWToMIXERLINEA(
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PMIXERLINEA pmxlA,
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PMIXERLINEW pmxlW
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);
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MMRESULT IMixerGetID(
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HMIXEROBJ hmxobj,
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PUINT puMxId,
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LPMIXERLINE pmxl,
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DWORD fdwId
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);
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/* -------------------------------------------------------------------------
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** Loading and initialization functions
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** -------------------------------------------------------------------------
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*/
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BOOL mmDrvInstallMixer(
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HDRVR hdrvr,
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DRIVERMSGPROC drvMessage,
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UINT wFlags,
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LPCTSTR tszDrvEntry
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);
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BOOL IMixerUnloadDrivers(
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HDRVR hdrvrSelf
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);
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HDRVR mmDrvOpenMixer(
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LPTSTR szAlias
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);
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BOOL IMixerLoadDrivers(
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void
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);
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/* -------------------------------------------------------------------------
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** Make sizeof return the number of chars when applied to a character array
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** which may be unicoded.
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** -------------------------------------------------------------------------
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*/
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#ifdef UNICODE
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#define SIZEOF(x) (sizeof(x)/sizeof(WCHAR))
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#else
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#define SIZEOF(x) sizeof(x)
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#endif
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