scaling limiter attempt

test.c

// problem: it's bad   
  if( treshold > 0.0f ){   
        float avg = srcL + srcR;        
        if( avg > peak ) peak = avg;    
        buffer[i]   = (mp_sint32)( tanh(srcL*1.2) * 1.31 * max); // compand once
        buffer[i+1] = (mp_sint32)( tanh(srcR*1.2) * 1.31 * max); // compand once
        if( ZEROCROSSING(srcL+srcR,lastL) ){
          for( ; offset <= i; offset+=2 ){
            float L = (float)buffer[offset]*(1.0/max);
            float R = (float)buffer[offset+1]*(1.0/max);
            if( peak > treshold ){          
              L *= (treshold/peak);           
              R *= (treshold/peak);           
            }
            buffer[offset]   = (mp_sint32)( L * max); 
            buffer[offset+1] = (mp_sint32)( R * max); 
          }
          peak = 0.0;          
          offset = i;          
        }
        lastL = srcL+srcR;     
      }