MCI_WAVE_SET_PARMS

The MCI_WAVE_SET_PARMS structure contains information for the MCI_SET command for waveform-audio devices.

typedef struct {
    DWORD dwCallback; 
    DWORD dwTimeFormat; 
    DWORD dwAudio; 
    UINT  wInput; 
    UINT  wOutput; 
    WORD  wFormatTag; 
    WORD  wReserved2; 
    WORD  nChannels; 
    WORD  wReserved3; 
    DWORD nSamplesPerSec; 
    DWORD nAvgBytesPerSec; 
    WORD  nBlockAlign; 
    WORD  wReserved4; 
    WORD  wBitsPerSample; 
    WORD  wReserved5; 
} MCI_WAVE_SET_PARMS;

Members

dwCallback

The low-order word specifies a window handle used for the MCI_NOTIFY flag.

dwTimeFormat

Device's time format.

dwAudio

Channel number for audio output. Typically used when turning a channel on or off.

wInput

Audio input channel.

wOutput

Output device to use. For example, this value could be 2 if a system had two installed sound cards.

wFormatTag

Format of the waveform-audio data. This member can be one of the following:

WAVE_FORMAT_ADPCM: Microsoft Corporation
WAVE_FORMAT_ALAW: Microsoft Corporation
WAVE_FORMAT_ANTEX_ADPCME: Antex Electronics Corporation
WAVE_FORMAT_APTX: Audio Processing Technology
WAVE_FORMAT_AUDIOFILE_AF10: Audiofile
WAVE_FORMAT_AUDIOFILE_AF36: Audiofile
WAVE_FORMAT_CONTROL_RES_CR10: Control Resources Corporation
WAVE_FORMAT_CONTROL_RES_VQLPC: Control Resources Corporation
WAVE_FORMAT_CREATIVE_ADPCM: Creative Labs, Inc.
WAVE_FORMAT_CREATIVE_FASTSPEECH10: Creative Labs, Inc.
WAVE_FORMAT__CREATIVE__FASTSPEECH8: Creative Labs, Inc.
WAVE_FORMAT_DIALOGIC_OKI_ADPCM: Dialogic Corporation
WAVE_FORMAT_DIGIADPCM: DSP Solutions, Inc.
WAVE_FORMAT_DIGIFIX: DSP Solutions, Inc.
WAVE_FORMAT_DIGIREAL: DSP Solutions, Inc.
WAVE_FORMAT_DIGISTD: DSP Solutions, Inc.
WAVE_FORMAT_DOLBY_AC2: Dolby Laboratories, Inc.
WAVE_FORMAT_DSPGROUP_TRUESPEECH: DSP Group, Inc.
WAVE_FORMAT_DVI_ADPCM: Intel Corporation
WAVE_FORMAT_ECHOSC1: Echo Speech Corporation
WAVE_FORMAT_FM_TOWNS_SND: Fujitsu, Ltd.
WAVE_FORMAT_G721_ADPCM: Antex Electronics Corporation
WAVE_FORMAT_G723_ADPCM: Antex Electronics Corporation
WAVE_FORMAT_GSM610: Microsoft Corporation
WAVE_FORMAT_IBM_CVSD: International Business Machines
WAVE_FORMAT_IMA_ADPCM: Intel Corporation
WAVE_FORMAT_MEDIASPACE_ADPCM: VideoLogic, Inc.
WAVE_FORMAT_MPEG: Microsoft Corporation
WAVE_FORMAT_MULAW: Microsoft Corporation
WAVE_FORMAT_NMS_VBXADPCM: Natural MicroSystems Corporation
WAVE_FORMAT_OKI_ADPCM: OKI
WAVE_FORMAT_OLIADPCM: Ing C. Olivetti & C., S.p.A.
WAVE_FORMAT_OLICELP: Ing C. Olivetti & C., S.p.A.
WAVE_FORMAT_OLIGSM: Ing C. Olivetti & C., S.p.A.
WAVE_FORMAT_OLIOPR: Ing C. Olivetti & C., S.p.A.
WAVE_FORMAT_OLISBC: Ing C. Olivetti & C., S.p.A.
WAVE_FORMAT_SIERRA_ADPCM: Sierra Semiconductor Corporation
WAVE_FORMAT_SONARC: Speech Compression
WAVE_FORMAT_UNKNOWN: Microsoft Corporation
WAVE_FORMAT_YAMAHA_ADPCM: Yamaha Corporation of America
wReserved2: Reserved.
nChannels: Mono (1) or stereo (2).
wReserved3: Reserved.
nSamplesPerSec: Samples per second.
nAvgBytesPerSec: Sample rate in bytes per second.
nBlockAlign: Block alignment of the data.
wReserved4: Reserved.
wBitsPerSample: Bits per sample.
wReserved5: Reserved.

Remarks

When assigning data to the members of this structure, set the corresponding flags in the fdwCommand parameter of the mciSendCommand function to validate the members.

QuickInfo

  Windows NT: Requires version 3.1 or later.
  Windows: Requires Windows 95 or later.
  Windows CE: Unsupported.
  Header: Declared in mmsystem.h.

MCI_WAVE_SET_PARMS

Members

Remarks

QuickInfo

See Also