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Diffstat (limited to 'public/sdk/inc/ntddaux.h')
-rw-r--r-- | public/sdk/inc/ntddaux.h | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/public/sdk/inc/ntddaux.h b/public/sdk/inc/ntddaux.h new file mode 100644 index 000000000..13840dde4 --- /dev/null +++ b/public/sdk/inc/ntddaux.h @@ -0,0 +1,73 @@ +/*++ BUILD Version: 0001 // Increment this if a change has global effects + +Copyright (c) 1992-1993 Microsoft Corporation + +Module Name: + + ntddaux.h + +Abstract: + + This include file defines all constants and types for + accessing an NT auxiliary sound devices. + +Author: + + Robin Speed (RobinSp) - 24-Aug-1992 + +Revision History: + +--*/ + +#ifndef _NTDDAUX_ +#define _NTDDAUX_ + +#include <ntddsnd.h> // general sound stuff + +#define IOCTL_AUX_BASE 0x0100 + +// +// Device Name - this string is the name of the device. It is the name +// that when added to the name of the root of the device tree and with +// the device number appended, gives the name of the device required for +// a call to NtOpenFile. +// So for example, if the root is \Device and the Device type is +// MMAux and the device number is 2, the full name is \Device\MMAux2 +// + +#define DD_AUX_DEVICE_NAME "\\Device\\MMAux" +#define DD_AUX_DEVICE_NAME_U L"\\Device\\MMAux" + +// +// WAVE device driver IOCTL set +// + +#define IOCTL_AUX_GET_CAPABILITIES CTL_CODE(IOCTL_SOUND_BASE, IOCTL_AUX_BASE + 0x0001, METHOD_BUFFERED, FILE_READ_ACCESS) +#define IOCTL_AUX_SET_VOLUME CTL_CODE(IOCTL_SOUND_BASE, IOCTL_AUX_BASE + 0x0002, METHOD_BUFFERED, FILE_READ_ACCESS) +#define IOCTL_AUX_GET_VOLUME CTL_CODE(IOCTL_SOUND_BASE, IOCTL_AUX_BASE + 0x0003, METHOD_BUFFERED, FILE_READ_ACCESS) + +// +// Input and output are AUX_DD_VOLUME structure. +// Completes when real device volume != volume passed in. +// Returns new volume +// +#define IOCTL_SOUND_GET_CHANGED_VOLUME CTL_CODE(IOCTL_SOUND_BASE, IOCTL_AUX_BASE + 0x0004, METHOD_BUFFERED, FILE_READ_ACCESS) + +// +// Aux volume structure +// + +typedef struct _AUX_DD_VOLUME { + ULONG Left; + ULONG Right; +} AUX_DD_VOLUME, *PAUX_DD_VOLUME; + +#define AUX_DD_MAX_VOLUME 0xFFFFFFFF // Maximum volume + +// +// Data returned by IOCTL_AUX_GET_CAPABILITIES is AUXCAPSW structure +// defined in mmsystem.h +// + +#endif // _NTDDAUX_ + |