BASS_WASAPI_CheckFormat

Checks if a particular sample format is supported by a device.

DWORD BASS_WASAPI_CheckFormat(
    int device,
    DWORD freq,
    DWORD chans,
    DWORD flags
);

Parameters

device The device to use... -1 = default output device, -2 = default input device. BASS_WASAPI_GetDeviceInfo can be used to enumerate the available devices.

freq The sample rate.

chans The number of channels... 1 = mono, 2 = stereo, etc.

flags Any combination of these flags.

BASS_WASAPI_EXCLUSIVE Check the device in exclusive mode, else shared mode.

Return value
If the sample format is supported, the maximum supported resolution (a BASS_WASAPI_FORMAT value) is returned, else -1 is returned. Use BASS_ErrorGetCode to get the error code.

Error codes

BASS_ERROR_WASAPI WASAPI is not available.

BASS_ERROR_DEVICE device is invalid.

BASS_ERROR_DRIVER The driver could not be initialized.

BASS_ERROR_FORMAT The specified format is not supported by the device.

Remarks
Shared and exclusive modes may have different sample formats available. Only the "mix format" (available from BASS_WASAPI_GetDeviceInfo) is generally supported in shared mode.

See also
BASS_WASAPI_Init

BASS_ERROR_WASAPI	WASAPI is not available.
BASS_ERROR_DEVICE	device is invalid.
BASS_ERROR_DRIVER	The driver could not be initialized.
BASS_ERROR_FORMAT	The specified format is not supported by the device.