comparison core/Utilities.cpp @ 179:f1012082f142

Added audioReadFrame() and audioWriteFrame(). Closes #1519

  *  Created on: Oct 27, 2014
  *      Author: parallels
  */
 
 #include "../include/Utilities.h"
+
+// audioReadFrame()
+//
+// Returns the value of the given audio input at the given frame number.
+float audioReadFrame(BeagleRTContext *context, int frame, int channel) {
+	return context->audioIn[frame * context->audioChannels + channel];
+}
+
+// audioWriteFrame()
+//
+// Sets a given audio output channel to a value for the current frame
+void audioWriteFrame(BeagleRTContext *context, int frame, int channel, float value) {
+	context->audioOut[frame * context->audioChannels + channel] = value;
+}
 
 // analogReadFrame()
 //
 // Returns the value of the given analog input at the given frame number.
 float analogReadFrame(BeagleRTContext *context, int frame, int channel) {
 	return context->analogIn[frame * context->analogChannels + channel];
 }
 
 // analogWriteFrame()
 //
-// Sets a given channel to a value for the current frame and, if persistent outputs are
+// Sets a given analog output channel to a value for the current frame and, if persistent outputs are
 // enabled, for all subsequent frames
 void analogWriteFrame(BeagleRTContext *context, int frame, int channel, float value) {
 	if(context->flags & BEAGLERT_FLAG_ANALOG_OUTPUTS_PERSIST) {
 		for(unsigned int f = frame; f < context->analogFrames; f++)
 			context->analogOut[frame * context->analogChannels + channel] = value;