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The WAVEINCAPS structure describes the capabilities of a waveform-audio input device.
typedef struct {
WORD wMid;
WORD wPid;
MMVERSION vDriverVersion;
TCHAR szPname[MAXPNAMELEN];
DWORD dwFormats;
WORD wChannels;
WORD wReserved1;
} WAVEINCAPS;
Members
wMid
Manufacturer identifier for the device driver for the waveform-audio input device. Manufacturer identifiers are defined in Manufacturer and Product Identifiers.
wPid
Product identifier for the waveform-audio input device. Product identifiers are defined in Manufacturer and Product Identifiers.
vDriverVersion
Version number of the device driver for the waveform-audio input device. The high-order byte is the major version number, and the low-order byte is the minor version number.
szPname
Product name in a null-terminated string.
dwFormats
Standard formats that are supported. Can be a combination of the following:
| Format | Description |
| WAVE_FORMAT_1M08 | 11.025 kHz, mono, 8-bit |
| WAVE_FORMAT_1M16 | 11.025 kHz, mono, 16-bit |
| WAVE_FORMAT_1S08 | 11.025 kHz, stereo, 8-bit |
| WAVE_FORMAT_1S16 | 11.025 kHz, stereo, 16-bit |
| WAVE_FORMAT_2M08 | 22.05 kHz, mono, 8-bit |
| WAVE_FORMAT_2M16 | 22.05 kHz, mono, 16-bit |
| WAVE_FORMAT_2S08 | 22.05 kHz, stereo, 8-bit |
| WAVE_FORMAT_2S16 | 22.05 kHz, stereo, 16-bit |
| WAVE_FORMAT_4M08 | 44.1 kHz, mono, 8-bit |
| WAVE_FORMAT_4M16 | 44.1 kHz, mono, 16-bit |
| WAVE_FORMAT_4S08 | 44.1 kHz, stereo, 8-bit |
| WAVE_FORMAT_4S16 | 44.1 kHz, stereo, 16-bit |
| WAVE_FORMAT_96M08 | 96 kHz, mono, 8-bit |
| WAVE_FORMAT_96S08 | 96 kHz, stereo, 8-bit |
| WAVE_FORMAT_96M16 | 96 kHz, mono, 16-bit |
| WAVE_FORMAT_96S16 | 96 kHz, stereo, 16-bit |
wChannels
Number specifying whether the device supports mono (1) or stereo (2) input.
wReserved1
Padding.
Requirements
** Windows NT/2000/XP:** Included in Windows NT 3.1 and later.
** Windows 95/98/Me:** Included in Windows 95 and later.
** Header:** Declared in Mmsystem.h; include Windows.h.
** Unicode:** Declared as Unicode and ANSI structures.
See Also