MCI_WAVE_SET_PARMS

typedef struct {
    DWORD  dwCallback;
    DWORD  dwTimeFormat;
    DWORD  dwAudio;
    UINT  wInput;
    UINT  wReserved0;
    UINT  wOutput;
    UINT  wReserved1;
    UINT  wFormatTag;
    UINT  wReserved2;
    UINT  nChannels;
    UINT  wReserved3;
    DWORD  nSamplesPerSec;
    DWORD  nAvgBytesPerSec;
    UINT  nBlockAlign;
    UINT  wReserved4;
    UINT  wBitsPerSample;
    UINT  wReserved5;
} MCI_WAVE_SET_PARMS;
 

The MCI_WAVE_SET_PARMS structure contains parameters for the MCI_SET message for waveform audio devices. When assigning data to the members in this structure, set the corresponding MCI flags in the lParam1 parameter of mciSendCommand to validate the members.

Members

dwCallback

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

dwTimeFormat

Specifies the time format used by the device.

dwAudio

Specifies the channel used for audio output.

wInput

Specifies the channel used for audio input.

wReserved0

Reserved.

wOutput

Specifies the channel used for output.

wReserved1

Reserved.

wFormatTag

Specifies the interpretation of the waveform data.

wReserved2

Reserved.

nChannels

Specifies mono (1) or stereo (2).

wReserved3

Reserved.

nSamplesPerSec

Specifies the samples per second used for the waveform.

nAvgBytesPerSec

Specifies the sample rate in bytes per second.

nBlockAlign

Specifies the block alignment of the data.

wReserved4

Reserved.

wBitsPerSample

Specifies the number of bits per sample (PCM only).

wReserved5

Reserved.

See Also

MCI_SET, PCMWAVEFORMAT, WAVEFORMAT