Version 4.1.1

projects/examples/foursine.cpp

@@ -0,0 +1,54 @@
+// foursine.cpp STK tutorial program
+
+#include "WaveLoop.h"
+#include "WvOut.h"
+
+int main()
+{
+  // Set the global sample rate before creating class instances.
+  Stk::setSampleRate( 44100.0 );
+
+  int i, j;
+  WvOut *output = 0;
+  WaveLoop *inputs[4];
+  for ( i=0; i<4; i++ ) inputs[i] = 0;
+
+  // Define and load the sine waves
+  try {
+    for ( i=0; i<4; i++ ) {
+      inputs[i] = new WaveLoop( "rawwaves/sinewave.raw", TRUE );
+      inputs[i]->setFrequency( 220.0 * (i+1) );
+    }
+  }
+  catch (StkError &) {
+    goto cleanup;
+  }
+
+  // Define and open a 16-bit, four-channel AIFF formatted output file
+  try {
+    output = new WvOut( "foursine.aif", 4, WvOut::WVOUT_AIF, Stk::STK_SINT16 );
+  }
+  catch (StkError &) {
+    goto cleanup;
+  }
+
+  // Write two seconds of four sines to the output file
+  MY_FLOAT frame[4];
+  for ( j=0; j<88200; j++ ) {
+    for ( i=0; i<4; i++ )
+      frame[i] = inputs[i]->tick();
+
+    output->tickFrame( frame );
+  }
+
+  // Now write the first sine to all four channels for two seconds
+  for ( j=0; j<88200; j++ ) {
+    output->tick( inputs[0]->tick() );
+  }
+
+ cleanup:
+  for ( i=0; i<4; i++ ) delete inputs[i];
+  delete output;
+
+  return 0;
+}