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Annotation of ntddk/src/mmedia/inc/ntddwave.h, revision 1.1

1.1     ! root        1: /*++ BUILD Version: 0001    // Increment this if a change has global effects
        !             2: 
        !             3: Copyright (c) 1990-1993  Microsoft Corporation
        !             4: 
        !             5: Module Name:
        !             6: 
        !             7:     ntddwave.h
        !             8: 
        !             9: Abstract:
        !            10: 
        !            11:     This include file defines all constants and types for
        !            12:     accessing an NT wave device.
        !            13: 
        !            14: Author:
        !            15: 
        !            16:     NigelThompson (NigelT) 17-May-91
        !            17: 
        !            18: Revision History:
        !            19: 
        !            20: --*/
        !            21: 
        !            22: #ifndef _NTDDWAVE_
        !            23: #define _NTDDWAVE_
        !            24: 
        !            25: #include <ntddsnd.h>    // general sound stuff
        !            26: 
        !            27: //
        !            28: // Device Name - this string is the name of the device.  It is the name
        !            29: // that when added to the name of the root of the device tree and with
        !            30: // the device number appended, gives the name of the device required for
        !            31: // a call to NtOpenFile.
        !            32: // So for example, if the root is \Device and the Device type is
        !            33: // WaveIn and the device number is 2, the full name is \Device\WaveIn2
        !            34: //
        !            35: 
        !            36: #define DD_WAVE_IN_DEVICE_NAME     "\\Device\\WaveIn"
        !            37: #define DD_WAVE_IN_DEVICE_NAME_U  L"\\Device\\WaveIn"
        !            38: #define DD_WAVE_OUT_DEVICE_NAME    "\\Device\\WaveOut"
        !            39: #define DD_WAVE_OUT_DEVICE_NAME_U L"\\Device\\WaveOut"
        !            40: 
        !            41: //
        !            42: // WAVE device driver IOCTL set
        !            43: //
        !            44: 
        !            45: #define IOCTL_WAVE_QUERY_FORMAT         CTL_CODE(IOCTL_SOUND_BASE, IOCTL_WAVE_BASE + 0x0001, METHOD_BUFFERED, FILE_READ_ACCESS)
        !            46: #define IOCTL_WAVE_SET_FORMAT           CTL_CODE(IOCTL_SOUND_BASE, IOCTL_WAVE_BASE + 0x0002, METHOD_BUFFERED, FILE_WRITE_ACCESS)
        !            47: #define IOCTL_WAVE_GET_CAPABILITIES     CTL_CODE(IOCTL_SOUND_BASE, IOCTL_WAVE_BASE + 0x0003, METHOD_BUFFERED, FILE_READ_ACCESS)
        !            48: #define IOCTL_WAVE_SET_STATE            CTL_CODE(IOCTL_SOUND_BASE, IOCTL_WAVE_BASE + 0x0004, METHOD_BUFFERED, FILE_WRITE_ACCESS)
        !            49: #define IOCTL_WAVE_GET_STATE            CTL_CODE(IOCTL_SOUND_BASE, IOCTL_WAVE_BASE + 0x0005, METHOD_BUFFERED, FILE_WRITE_ACCESS)
        !            50: #define IOCTL_WAVE_GET_POSITION         CTL_CODE(IOCTL_SOUND_BASE, IOCTL_WAVE_BASE + 0x0006, METHOD_BUFFERED, FILE_WRITE_ACCESS)
        !            51: #define IOCTL_WAVE_SET_VOLUME           CTL_CODE(IOCTL_SOUND_BASE, IOCTL_WAVE_BASE + 0x0007, METHOD_BUFFERED, FILE_READ_ACCESS)
        !            52: #define IOCTL_WAVE_GET_VOLUME           CTL_CODE(IOCTL_SOUND_BASE, IOCTL_WAVE_BASE + 0x0008, METHOD_BUFFERED, FILE_READ_ACCESS)
        !            53: #define IOCTL_WAVE_SET_PITCH            CTL_CODE(IOCTL_SOUND_BASE, IOCTL_WAVE_BASE + 0x0009, METHOD_BUFFERED, FILE_WRITE_ACCESS)
        !            54: #define IOCTL_WAVE_GET_PITCH            CTL_CODE(IOCTL_SOUND_BASE, IOCTL_WAVE_BASE + 0x000A, METHOD_BUFFERED, FILE_WRITE_ACCESS)
        !            55: #define IOCTL_WAVE_SET_PLAYBACK_RATE    CTL_CODE(IOCTL_SOUND_BASE, IOCTL_WAVE_BASE + 0x000B, METHOD_BUFFERED, FILE_WRITE_ACCESS)
        !            56: #define IOCTL_WAVE_GET_PLAYBACK_RATE    CTL_CODE(IOCTL_SOUND_BASE, IOCTL_WAVE_BASE + 0x000C, METHOD_BUFFERED, FILE_WRITE_ACCESS)
        !            57: #define IOCTL_WAVE_PLAY                 CTL_CODE(IOCTL_SOUND_BASE, IOCTL_WAVE_BASE + 0x000D, METHOD_IN_DIRECT, FILE_WRITE_ACCESS)
        !            58: #define IOCTL_WAVE_RECORD               CTL_CODE(IOCTL_SOUND_BASE, IOCTL_WAVE_BASE + 0x000E, METHOD_OUT_DIRECT, FILE_WRITE_ACCESS)
        !            59: #define IOCTL_WAVE_BREAK_LOOP           CTL_CODE(IOCTL_SOUND_BASE, IOCTL_WAVE_BASE + 0x000F, METHOD_BUFFERED, FILE_WRITE_ACCESS)
        !            60: 
        !            61: //
        !            62: // IOCTLs used in the debug build only
        !            63: //
        !            64: 
        !            65: #if DBG
        !            66: 
        !            67: #define IOCTL_WAVE_SET_DEBUG_LEVEL      CTL_CODE(IOCTL_SOUND_BASE, IOCTL_WAVE_BASE + 0x0040, METHOD_BUFFERED, FILE_READ_ACCESS)
        !            68: 
        !            69: #endif // DBG
        !            70: 
        !            71: //
        !            72: // Wave position structure
        !            73: //
        !            74: 
        !            75: typedef struct _WAVE_DD_POSITION {
        !            76:     ULONG   SampleCount;           // Number of sound samples
        !            77:     ULONG   ByteCount;             // Number of bytes (in SampleCount samples)
        !            78: } WAVE_DD_POSITION, *PWAVE_DD_POSITION;
        !            79: 
        !            80: //
        !            81: // Wave volume structure
        !            82: //
        !            83: 
        !            84: typedef struct _WAVE_DD_VOLUME {
        !            85:     ULONG   Left;
        !            86:     ULONG   Right;
        !            87: } WAVE_DD_VOLUME, *PWAVE_DD_VOLUME;
        !            88: 
        !            89: #define WAVE_DD_MAX_VOLUME 0xFFFFFFFF // Maximum volume
        !            90: 
        !            91: //
        !            92: // Wave pitch shift structure
        !            93: //
        !            94: 
        !            95: typedef struct _WAVE_DD_PITCH {
        !            96:     ULONG   Pitch;                      // fixed point value 1.0 = 0x10000
        !            97: } WAVE_DD_PITCH, *PWAVE_DD_PITCH;
        !            98: 
        !            99: //
        !           100: // Wave playback rate structure
        !           101: //
        !           102: 
        !           103: typedef struct _WAVE_DD_PLAYBACK_RATE {
        !           104:     ULONG   Rate;                       // fixed point value 1.0 = 0x10000
        !           105: } WAVE_DD_PLAYBACK_RATE, *PWAVE_DD_PLAYBACK_RATE;
        !           106: 
        !           107: //
        !           108: // State flags used to set the state of a driver
        !           109: //
        !           110: 
        !           111: #define WAVE_DD_STOP        0x0001
        !           112: #define WAVE_DD_PLAY        0x0002      // output devices only
        !           113: #define WAVE_DD_RECORD      0x0003      // input devices only
        !           114: #define WAVE_DD_RESET       0x0004
        !           115: 
        !           116: //
        !           117: // States returned by the get state ioctl
        !           118: //
        !           119: 
        !           120: #define WAVE_DD_IDLE        0x0000
        !           121: #define WAVE_DD_STOPPED     0x0001      // stopped
        !           122: #define WAVE_DD_PLAYING     0x0002      // output devices only
        !           123: #define WAVE_DD_RECORDING   0x0003      // input devices only
        !           124: 
        !           125: #endif // _NTDDWAVE_
        !           126: 
        !           127: 

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