mirror of https://github.com/tongzx/nt5src
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
95 lines
2.6 KiB
95 lines
2.6 KiB
/****************************************************************************
|
|
*
|
|
* auxdd.c
|
|
*
|
|
* Multimedia kernel driver support component (mmdrv)
|
|
*
|
|
* Copyright (c) 1991-1996 Microsoft Corporation
|
|
*
|
|
* Driver for wave input and output devices
|
|
*
|
|
* -- Aux driver entry point(auxMessage)
|
|
*
|
|
* History
|
|
* 25-Aug-1992 - Robin Speed (RobinSp) wrote it
|
|
*
|
|
***************************************************************************/
|
|
|
|
#include <drvlib.h>
|
|
#include <ntddaux.h>
|
|
|
|
/****************************************************************************
|
|
|
|
This function conforms to the standard Aux driver message proc
|
|
(auxMessage), which is documented in the DDK.
|
|
|
|
****************************************************************************/
|
|
DWORD APIENTRY auxMessage(UINT uDevice,
|
|
UINT uMsg,
|
|
DWORD_PTR dwUser,
|
|
DWORD_PTR dwParam1,
|
|
DWORD_PTR dwParam2)
|
|
|
|
{
|
|
MMRESULT mRet;
|
|
AUX_DD_VOLUME Volume;
|
|
|
|
switch (uMsg) {
|
|
case AUXDM_GETDEVCAPS:
|
|
dprintf2(("AUXDM_GETDEVCAPS"));
|
|
{
|
|
MMRESULT mrc;
|
|
AUXCAPSW ac;
|
|
mrc = sndGetData(AUX_DEVICE, uDevice, sizeof(ac), (LPBYTE)&ac,
|
|
IOCTL_AUX_GET_CAPABILITIES);
|
|
|
|
if (mrc != MMSYSERR_NOERROR) {
|
|
return mrc;
|
|
}
|
|
InternalLoadString((UINT)*(LPDWORD)ac.szPname, ac.szPname,
|
|
sizeof(ac.szPname) / sizeof(WCHAR));
|
|
|
|
CopyMemory((LPVOID)dwParam1, &ac, min(sizeof(ac), dwParam2));
|
|
|
|
return MMSYSERR_NOERROR;
|
|
}
|
|
|
|
case AUXDM_GETNUMDEVS:
|
|
dprintf2(("AUXDM_GETNUMDEVS"));
|
|
return sndGetNumDevs(AUX_DEVICE);
|
|
|
|
case AUXDM_GETVOLUME:
|
|
dprintf2(("AUXDM_GETVOLUME"));
|
|
|
|
mRet = sndGetData(AUX_DEVICE, uDevice, sizeof(Volume),
|
|
(PBYTE)&Volume, IOCTL_AUX_GET_VOLUME);
|
|
|
|
if (mRet == MMSYSERR_NOERROR) {
|
|
*(LPDWORD)dwParam1 =
|
|
(DWORD)MAKELONG(HIWORD(Volume.Left),
|
|
HIWORD(Volume.Right));
|
|
}
|
|
|
|
return mRet;
|
|
|
|
case AUXDM_SETVOLUME:
|
|
dprintf2(("AUXDM_SETVOLUME"));
|
|
Volume.Left = LOWORD(dwParam1) << 16;
|
|
Volume.Right = HIWORD(dwParam1) << 16;
|
|
|
|
return sndSetData(AUX_DEVICE, uDevice, sizeof(Volume),
|
|
(PBYTE)&Volume, IOCTL_AUX_SET_VOLUME);
|
|
|
|
default:
|
|
return MMSYSERR_NOTSUPPORTED;
|
|
}
|
|
|
|
//
|
|
// Should not get here
|
|
//
|
|
|
|
WinAssert(0);
|
|
return MMSYSERR_NOTSUPPORTED;
|
|
|
|
}
|
|
|