//声明:
waveInGetDevCaps(
hwo: HWAVEOUT; {输入设备ID; HWAVEIN ?}
lpCaps: PWaveInCaps; {TWaveInCaps 结构的指针, 用于接受设备信息}
uSize: UINT {TWaveInCaps 结构大小}
): MMRESULT; {成功返回 0; 可能的错误值见下:}
MMSYSERR_BADDEVICEID = 2; {设备ID超界}
MMSYSERR_NODRIVER = 6; {没有安装驱动程序}
//TWaveInCaps 是 tagWAVEINCAPSA 结构的重定义:
tagWAVEINCAPSA = record
wMid: Word; {制造商ID}
wPid: Word; {产品ID}
vDriverVersion: MMVERSION; {版本号; 高字节是主版本号, 低字节是次版本号}
szPname: array[0..MAXPNAMELEN-1] of AnsiChar; {产品名称}
dwFormats: DWORD; {支持的格式}
wChannels: Word; {单声道(1)还是立体声(2)}
wReserved1: Word; { structure packing }
end;
//dwFormats:
WAVE_INVALIDFORMAT = $00000000; {invalid format}
WAVE_FORMAT_1M08 = $00000001; {11.025 kHz, Mono, 8-bit }
WAVE_FORMAT_1S08 = $00000002; {11.025 kHz, Stereo, 8-bit }
WAVE_FORMAT_1M16 = $00000004; {11.025 kHz, Mono, 16-bit}
WAVE_FORMAT_1S16 = $00000008; {11.025 kHz, Stereo, 16-bit}
WAVE_FORMAT_2M08 = $00000010; {22.05 kHz, Mono, 8-bit }
WAVE_FORMAT_2S08 = $00000020; {22.05 kHz, Stereo, 8-bit }
WAVE_FORMAT_2M16 = $00000040; {22.05 kHz, Mono, 16-bit}
WAVE_FORMAT_2S16 = $00000080; {22.05 kHz, Stereo, 16-bit}
WAVE_FORMAT_4M08 = $00000100; {44.1 kHz, Mono, 8-bit }
WAVE_FORMAT_4S08 = $00000200; {44.1 kHz, Stereo, 8-bit }
WAVE_FORMAT_4M16 = $00000400; {44.1 kHz, Mono, 16-bit}
WAVE_FORMAT_4S16 = $00000800; {44.1 kHz, Stereo, 16-bit}
//举例: