diff stk/include/Generator.h @ 0:c0ead20bda4d

first commit

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/stk/include/Generator.h	Mon Jun 08 11:49:43 2015 +0100
@@ -0,0 +1,50 @@
+#ifndef STK_GENERATOR_H
+#define STK_GENERATOR_H
+
+#include "Stk.h"
+
+namespace stk {
+
+/***************************************************/
+/*! \class Generator
+    \brief STK abstract unit generator parent class.
+
+    This class provides limited common functionality for STK unit
+    generator sample-source subclasses.  It is general enough to
+    support both monophonic and polyphonic output classes.
+
+    by Perry R. Cook and Gary P. Scavone, 1995--2014.
+*/
+/***************************************************/
+
+class Generator : public Stk
+{
+ public:
+
+  //! Class constructor.
+  Generator( void ) { lastFrame_.resize( 1, 1, 0.0 ); };
+
+  //! Return the number of output channels for the class.
+  unsigned int channelsOut( void ) const { return lastFrame_.channels(); };
+
+  //! Return an StkFrames reference to the last output sample frame.
+  const StkFrames& lastFrame( void ) const { return lastFrame_; };
+
+  //! Fill the StkFrames object with computed sample frames, starting at the specified channel.
+  /*!
+    The \c channel argument plus the number of output channels must
+    be less than the number of channels in the StkFrames argument (the
+    first channel is specified by 0).  However, range checking is only
+    performed if _STK_DEBUG_ is defined during compilation, in which
+    case an out-of-range value will trigger an StkError exception.
+  */
+  virtual StkFrames& tick( StkFrames& frames, unsigned int channel = 0 ) = 0;
+
+  protected:
+
+  StkFrames lastFrame_;
+};
+
+} // stk namespace
+
+#endif