[wdmaudiodev] VIRTUAL AUDIO DRIVER
- From: Vladimimir Matiz <vmatiz@xxxxxxxxx>
- To: wdmaudiodev@xxxxxxxxxxxxx
- Date: Wed, 29 Dec 2004 10:20:57 -0600 (CST)
i'm tring of create a virtual audio driver for a servidor, than don't have
sound card, so allow to the clients can use it.
i´m working in this moment whit virtual cable software that implement a driver
in user mode that build sound card virtuals
one for each client, i need the "wdmaud.drv code" forbuild my own software and
to learn, or "mmdrv.dll" that too export
funtions:
driverproc
widmessage
wodmessage
auxmessage
midmessage
modmessage
i has build my own DLL but my system is breaked, this is the code:
#include <windows.h>
#include "Caudiogaleontres.h"
long DriverProc(DWORD dwDriverId, HDRVR hdrvr, UINT msg,
LONG lParam1, LONG lParam2)
{
DWORD dwRes = 1L;
switch (msg)
{
case DRV_LOAD: //1111111111111
// Sent when the driver is loaded. This is always
// the first message received by a driver.
return 1L; // returns 0L to fail
break;
case DRV_ENABLE: //22222222222222
// Sent when the driver is loaded or reloaded and
// when Windows is enabled. Install interrupt
// handlers and initialize hardware. Expect the
// driver to be in memory only between the enable
// and disable messages.
return 1L; // return value ignored
break;
case DRV_OPEN: //333333333333333
return 1L;
break; // value subsequently used
// for dwDriverId.
case DRV_INSTALL: //4444444444444444
// Sent when the driver is installed.
return DRVCNF_RESTART; // Can also return
break; // DRVCNF_CANCEL
// and DRV_RESTART
case DRV_QUERYCONFIGURE: //555555555555555
// Sent to determine if the driver can be
// configured.
return 0L; // Zero indicates configuration
break; // NOT supported
case DRV_CONFIGURE: //66666666666
// Sent to display the configuration
// dialog box for the driver.
return DRVCNF_RESTART; // Can also return
break; // DRVCNF_CANCEL
// and DRVCNF_RESTART
case DRV_CLOSE: //777777777777777777777
// Sent when the driver is closed. Drivers are
// unloaded when the open count reaches zero.
return 1L; // returns 0L to fail
break;
case DRV_DISABLE: //8888888888888888
// Sent before the driver is freed or when Windows
// is disabled. Remove interrupt handlers and place
// hardware in an inactive state.
return 1L; // return value ignored
break;
case DRV_FREE: //99999999999999999999999
// Sent when the driver is about to be discarded.
// This is the last message a driver receives
// before it is freed.
return 1L; // return value ignored
break;
case DRV_REMOVE:
// Sent when the driver is removed.
return 1L; // return value ignored
break;
}
return dwRes;
}
long midMessage (UINT uDeviceId, UINT uMsg, DWORD dwUser,
DWORD dwParam1, DWORD dwParam2)
{
return 0;
}
long modMessage (UINT uDeviceId, UINT uMsg, DWORD dwUser,
DWORD dwParam1, DWORD dwParam2)
{
return 0;
}
long widMessage (UINT uDeviceId, UINT uMsg, DWORD dwUser,
DWORD dwParam1, DWORD dwParam2)
{
return 0;
}
long wodMessage (UINT uDeviceId, UINT uMsg, DWORD dwUser,
DWORD dwParam1, DWORD dwParam2)
{
return 0;
}
long auxMessage (UINT uDeviceId, UINT uMsg, DWORD dwUser,
DWORD dwParam1, DWORD dwParam2)
{
return 0;
}
i don't know thati´mk doing bad! if some body can help me thanks whit
information ó recomendation or some tips.
att: Vladimir Matiz
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