}
void do_ch_chorus(int32 *buf, int32 count){#ifdef SYS_EFFECT_PRE_LPF	if ((opt_reverb_control == 3 || opt_reverb_control == 4			|| (opt_reverb_control < 0 && ! (opt_reverb_control & 0x100))) && chorus_status.pre_lpf)		do_filter_lowpass1_stereo(chorus_effect_buffer, count, &(chorus_status.lpf));#endif /* SYS_EFFECT_PRE_LPF */	do_ch_stereo_chorus(buf, count, &(chorus_status.info_stereo_chorus));}