BASS_FX_BPM_CallbackSet

BASS_FX_BPM_CallbackSet

Enable getting BPM value after period of time in seconds.

 BOOL BASS_FX_BPM_CallbackSet(
    DWORD handle,
    BPMPROC
*proc,
    double period,
    DWORD minMaxBPM,
    DWORD flags,
    void *user

);

Parameters

handle	Stream/music/wma/cd/any other supported add-on format
proc	User defined function to receive the bpm value
period	Detection period in seconds
minMaxBPM	Set min & max bpm, e.g: MAKELONG(LOWORD.HIWORD), LO=Min, HI=Max. 0 = defaults 29/200
flags	Only BASS_FX_BPM_MULT2 flag is used
user	User instance data to pass to the callback function.

Return value
If successful, TRUE is returned, else FALSE is returned. Use BASS_ErrorGetCode to get the error code.

Error codes

BASS_ERROR_HANDLE	handle is not valid
BASS_ERROR_ILLPARAM	An illegal parameter was specified