SCClassLibrary/Common/Audio/AudioIn.sc

   1 SoundIn  {
   2
   3         *ar { arg bus = 0, mul=1.0, add=0.0;
   4                 var chanOffset;
   5                 chanOffset = this.channelOffset;
   6                 if(bus.isArray.not,{
   7                         ^In.ar(chanOffset + bus, 1).madd(mul,add)
   8                 });
   9
  10                 // check to see if channels array is consecutive [n,n+1,n+2...]
  11                 if(bus.every({arg item, i;
  12                                 (i==0) or: {item == (bus.at(i-1)+1)}
  13                         }),{
  14                         ^In.ar(chanOffset + bus.first, bus.size).madd(mul,add)
  15                 },{
  16                         // allow In to multi channel expand
  17                         ^In.ar(chanOffset + bus).madd(mul,add)
  18                 })
  19         }
  20
  21         *channelOffset {
  22                 ^NumOutputBuses.ir
  23         }
  24 }
  25
  26 // backward compatible version. Only difference: starts counting from channel 1
  27
  28 AudioIn : SoundIn  {
  29         *ar { arg channel = 0, mul=1.0, add=0.0;
  30                 ^super.ar(channel, mul, add)
  31         }
  32         *channelOffset {
  33                 ^NumOutputBuses.ir - 1
  34         }
  35 }