129 lines
4.6 KiB
C
129 lines
4.6 KiB
C
/*++ BUILD Version: 0001 // Increment this if a change has global effects
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Copyright (c) 1990-1993 Microsoft Corporation
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Module Name:
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ntddwave.h
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Abstract:
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This include file defines all constants and types for
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accessing an NT wave device.
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Author:
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NigelThompson (NigelT) 17-May-91
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Revision History:
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--*/
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#ifndef _NTDDWAVE_
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#define _NTDDWAVE_
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#include <ntddsnd.h> // general sound stuff
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//
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// Device Name - this string is the name of the device. It is the name
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// that when added to the name of the root of the device tree and with
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// the device number appended, gives the name of the device required for
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// a call to NtOpenFile.
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// So for example, if the root is \Device and the Device type is
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// WaveIn and the device number is 2, the full name is \Device\WaveIn2
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//
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#define DD_WAVE_IN_DEVICE_NAME "\\Device\\WaveIn"
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#define DD_WAVE_IN_DEVICE_NAME_U L"\\Device\\WaveIn"
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#define DD_WAVE_OUT_DEVICE_NAME "\\Device\\WaveOut"
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#define DD_WAVE_OUT_DEVICE_NAME_U L"\\Device\\WaveOut"
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//
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// WAVE device driver IOCTL set
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//
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#define IOCTL_WAVE_QUERY_FORMAT CTL_CODE(IOCTL_SOUND_BASE, IOCTL_WAVE_BASE + 0x0001, METHOD_BUFFERED, FILE_READ_ACCESS)
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#define IOCTL_WAVE_SET_FORMAT CTL_CODE(IOCTL_SOUND_BASE, IOCTL_WAVE_BASE + 0x0002, METHOD_BUFFERED, FILE_WRITE_ACCESS)
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#define IOCTL_WAVE_GET_CAPABILITIES CTL_CODE(IOCTL_SOUND_BASE, IOCTL_WAVE_BASE + 0x0003, METHOD_BUFFERED, FILE_READ_ACCESS)
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#define IOCTL_WAVE_SET_STATE CTL_CODE(IOCTL_SOUND_BASE, IOCTL_WAVE_BASE + 0x0004, METHOD_BUFFERED, FILE_WRITE_ACCESS)
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#define IOCTL_WAVE_GET_STATE CTL_CODE(IOCTL_SOUND_BASE, IOCTL_WAVE_BASE + 0x0005, METHOD_BUFFERED, FILE_WRITE_ACCESS)
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#define IOCTL_WAVE_GET_POSITION CTL_CODE(IOCTL_SOUND_BASE, IOCTL_WAVE_BASE + 0x0006, METHOD_BUFFERED, FILE_WRITE_ACCESS)
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#define IOCTL_WAVE_SET_VOLUME CTL_CODE(IOCTL_SOUND_BASE, IOCTL_WAVE_BASE + 0x0007, METHOD_BUFFERED, FILE_READ_ACCESS)
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#define IOCTL_WAVE_GET_VOLUME CTL_CODE(IOCTL_SOUND_BASE, IOCTL_WAVE_BASE + 0x0008, METHOD_BUFFERED, FILE_READ_ACCESS)
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#define IOCTL_WAVE_SET_PITCH CTL_CODE(IOCTL_SOUND_BASE, IOCTL_WAVE_BASE + 0x0009, METHOD_BUFFERED, FILE_WRITE_ACCESS)
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#define IOCTL_WAVE_GET_PITCH CTL_CODE(IOCTL_SOUND_BASE, IOCTL_WAVE_BASE + 0x000A, METHOD_BUFFERED, FILE_WRITE_ACCESS)
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#define IOCTL_WAVE_SET_PLAYBACK_RATE CTL_CODE(IOCTL_SOUND_BASE, IOCTL_WAVE_BASE + 0x000B, METHOD_BUFFERED, FILE_WRITE_ACCESS)
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#define IOCTL_WAVE_GET_PLAYBACK_RATE CTL_CODE(IOCTL_SOUND_BASE, IOCTL_WAVE_BASE + 0x000C, METHOD_BUFFERED, FILE_WRITE_ACCESS)
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#define IOCTL_WAVE_PLAY CTL_CODE(IOCTL_SOUND_BASE, IOCTL_WAVE_BASE + 0x000D, METHOD_IN_DIRECT, FILE_WRITE_ACCESS)
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#define IOCTL_WAVE_RECORD CTL_CODE(IOCTL_SOUND_BASE, IOCTL_WAVE_BASE + 0x000E, METHOD_OUT_DIRECT, FILE_WRITE_ACCESS)
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#define IOCTL_WAVE_BREAK_LOOP CTL_CODE(IOCTL_SOUND_BASE, IOCTL_WAVE_BASE + 0x000F, METHOD_BUFFERED, FILE_WRITE_ACCESS)
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#define IOCTL_WAVE_SET_LOW_PRIORITY CTL_CODE(IOCTL_SOUND_BASE, IOCTL_WAVE_BASE + 0x0010, METHOD_BUFFERED, FILE_WRITE_ACCESS)
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//
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// IOCTLs used in the debug build only
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//
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#if DBG
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#define IOCTL_WAVE_SET_DEBUG_LEVEL CTL_CODE(IOCTL_SOUND_BASE, IOCTL_WAVE_BASE + 0x0040, METHOD_BUFFERED, FILE_READ_ACCESS)
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#endif // DBG
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//
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// Wave position structure
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//
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typedef struct _WAVE_DD_POSITION {
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ULONG SampleCount; // Number of sound samples
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ULONG ByteCount; // Number of bytes (in SampleCount samples)
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} WAVE_DD_POSITION, *PWAVE_DD_POSITION;
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//
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// Wave volume structure
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//
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typedef struct _WAVE_DD_VOLUME {
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ULONG Left;
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ULONG Right;
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} WAVE_DD_VOLUME, *PWAVE_DD_VOLUME;
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#define WAVE_DD_MAX_VOLUME 0xFFFFFFFF // Maximum volume
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//
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// Wave pitch shift structure
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//
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typedef struct _WAVE_DD_PITCH {
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ULONG Pitch; // fixed point value 1.0 = 0x10000
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} WAVE_DD_PITCH, *PWAVE_DD_PITCH;
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//
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// Wave playback rate structure
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//
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typedef struct _WAVE_DD_PLAYBACK_RATE {
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ULONG Rate; // fixed point value 1.0 = 0x10000
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} WAVE_DD_PLAYBACK_RATE, *PWAVE_DD_PLAYBACK_RATE;
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//
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// State flags used to set the state of a driver
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//
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#define WAVE_DD_STOP 0x0001
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#define WAVE_DD_PLAY 0x0002 // output devices only
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#define WAVE_DD_RECORD 0x0003 // input devices only
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#define WAVE_DD_RESET 0x0004
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//
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// States returned by the get state ioctl
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//
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#define WAVE_DD_IDLE 0x0000
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#define WAVE_DD_STOPPED 0x0001 // stopped
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#define WAVE_DD_PLAYING 0x0002 // output devices only
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#define WAVE_DD_RECORDING 0x0003 // input devices only
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#endif // _NTDDWAVE_
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