BASS_ASIO_ChannelGetVolume

Retrieves a channel's volume setting.

float BASS_ASIO_ChannelGetVolume(
    BOOL input,
    int channel
);

Parameters

input	Dealing with an input channel? FALSE = an output channel.
channel	The input/output channel number... 0 = first, -1 = master.

If successful, the channel's volume setting is returned, else -1 is returned. Use BASS_ASIO_ErrorGetCode to get the error code.

BASS_ERROR_INIT	BASS_ASIO_Init has not been successfully called.
BASS_ERROR_ILLPARAM	The input and channel combination is invalid.