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- // (C) 2006, Michael Gruhn.
-
- // NO WARRANTY IS GRANTED. THIS PLUG-IN IS PROVIDED ON AN "AS IS" BASIS, WITHOUT
- // WARRANTY OF ANY KIND. NO LIABILITY IS GRANTED, INCLUDING, BUT NOT LIMITED TO,
- // ANY DIRECT OR INDIRECT, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGE ARISING
- // OUT OF THE USE OR INABILITY TO USE THIS PLUG-IN, COMPUTER FAILTURE OF
- // MALFUNCTION INCLUDED. THE USE OF THE SOURCE CODE, EITHER PARTIALLY OR IN
- // TOTAL, IS ONLY GRANTED, IF USED IN THE SENSE OF THE AUTHOR'S INTENTION, AND
- // USED WITH ACKNOWLEDGEMENT OF THE AUTHOR. FURTHERMORE IS THIS PLUG-IN A THIRD
- // PARTY CONTRIBUTION, EVEN IF INCLUDED IN REAPER(TM), COCKOS INCORPORATED OR
- // ITS AFFILIATES HAVE NOTHING TO DO WITH IT. LAST BUT NOT LEAST, BY USING THIS
- // PLUG-IN YOU RELINQUISH YOUR CLAIM TO SUE IT'S AUTHOR, AS WELL AS THE CLAIM TO
- // ENTRUST SOMEBODY ELSE WITH DOING SO.
-
-
- desc:Simple Peak-1 Limiter
- slider1:-0<-20,0,.1>Treshold (dB)
- slider2:0,REDUCTION (dB)
-
- @init
- gain = 1; c = 8.65617025; dc = 10^(-30);
-
-
- gr_meter=1;
- gr_meter_decay = exp(1/(1*srate));
-
-
- @slider
-
- thresh = exp(slider1/c); seekgain = 1;
- gain = 1;
- t = 0;
- b = -exp(-62.83185307 / srate );
- a = 1.0 + b;
-
- @sample
- rms = max( abs(spl0) , abs(spl1) );
- rms = max( sqrt( (t = a*rms-b*t+dc)-dc) , rms);
- (rms > thresh) ? gain = rms : gain = thresh;
- spl0 /= gain;
- spl1 /= gain;
- slider2 = log(thresh/gain)*c;
- sliderchange(2);
-
- gain < gr_meter ? gr_meter=gain : ( gr_meter*=gr_meter_decay; gr_meter>1?gr_meter=1; );
-
- @gfx 0 24 // request horizontal/vertical heights (0 means dont care)
-
- gr_meter *= exp(1/30); gr_meter>1?gr_meter=1; // decay meter here so if the audio processing stops it doesnt "stick"
- gfx_r=1; gfx_g=gfx_b=0; gfx_a=0.8;
-
- meter_bot=20;
- meter_h=min(gfx_h,32);
- xscale=gfx_w*20/meter_bot;
-
- gfx_y=0;
- gfx_x=gfx_w + log10(gr_meter)*xscale;
- gfx_rectto(gfx_w,meter_h);
-
- gfx_r=gfx_g=gfx_b=1.0; gfx_a=0.6;
-
- s2=sqrt(2)/2;
- g = s2;
- while(
- gfx_x=gfx_w + log10(g)*xscale;
- gfx_x >= 0 ?
- (
- gfx_y=0;
- gfx_lineto(gfx_x,meter_h,0);
- gfx_y=meter_h-gfx_texth;
- gfx_x+=2;
- gfx_drawnumber(log10(g)*20,0);
- gfx_drawchar($'d');
- gfx_drawchar($'B');
- );
- g*=s2;
- gfx_x >=0;
- );
- gfx_a=1;
-
- gfx_x=0; gfx_y=meter_h/2 - gfx_texth/2;
- gfx_drawnumber(log10(gr_meter)*20,1);
- gfx_drawchar($'d');
- gfx_drawchar($'B');
-