SCClassLibrary/Common/Control/ScopeBuffer.sc

   1 ScopeBuffer {
   2         var <index, <numChannels, <server;
   3
   4         *alloc { arg server, numChannels=1;
   5                 var alloc;
   6                 server = server ? Server.default;
   7                 alloc = server.scopeBufferAllocator.alloc(numChannels);
   8                 if (alloc.isNil) {
   9                         error("Meta_ScopeBuffer:alloc: failed to get a scope buffer allocated."
  10                                 + "numChannels:" + numChannels + "server:" + server.name);
  11                         ^nil
  12                 };
  13                 ^this.new(alloc, numChannels, server)
  14         }
  15
  16         *new { arg index=0, numChannels=1, server;
  17                 ^super.newCopyArgs(index, numChannels, server ? Server.default)
  18         }
  19
  20         // compatibility method
  21         bufnum {
  22                 ^index;
  23         }
  24
  25         free {
  26                 if (index.isNil) {
  27                         (this.asString + " has already been freed").warn;
  28                         ^this
  29                 };
  30
  31                 server.scopeBufferAllocator.free(index);
  32                 index = nil;
  33                 numChannels = nil;
  34         }
  35
  36         printOn { arg stream;
  37                 stream << this.class.name << "(" <<*
  38                         [index, numChannels, server]  <<")"
  39         }
  40
  41         storeOn { arg stream;
  42                 stream << this.class.name << "(" <<*
  43                         [index, numChannels, server.asCompileString]  <<")"
  44         }
  45
  46         hash { ^index.hash bitXor: numChannels.hash bitXor: server.hash }
  47 }