diff projects/basic_passthru/render.cpp @ 269:ac8eb07afcf5

Oxygen text added to each render.cpp file for the default projects. Text includes project explanation from Wiki, edited in places.

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--- a/projects/basic_passthru/render.cpp	Wed May 11 10:29:23 2016 +0100
+++ b/projects/basic_passthru/render.cpp	Tue May 17 15:40:16 2016 +0100
@@ -1,10 +1,50 @@
 /*
+ ____  _____ _        _    
+| __ )| ____| |      / \   
+|  _ \|  _| | |     / _ \  
+| |_) | |___| |___ / ___ \ 
+|____/|_____|_____/_/   \_\.io
+
+ */
+
+ /*
  * render.cpp
  *
  *  Created on: Oct 24, 2014
  *      Author: parallels
  */
 
+/**
+\example 1_basic_audio_passthrough
+
+Audio passthrough: input to output
+-----------------------------------------
+
+This sketch demonstrates the simplest possible case of using audio: it passes 
+audio input straight to audio output.
+
+Note the nested `for` loop structure. You will see this in all Bela projects. The 
+first `for` loop cycles through the audio frames, the second through each of the 
+audio channels (in this case left 0 and right 1).
+
+
+We write samples to the audio output buffer like this: 
+`context->audioOut[n * context->audioChannels + ch]` where `n` is the current audio 
+frame and `ch` is the current channel, both provided by the nested for loop structure.
+
+We can access samples in the audio input buffer in a similar way, like this: 
+`context->audioIn[n * context->audioChannels + ch]`.
+
+So a simple audio pass through is achieved by setting output buffer equal to 
+input buffer: 
+`context->audioOut[n * context->audioChannels + ch] = context->audioIn[n * context->audioChannels + ch]`.
+
+
+*/
+
+
+
+
 
 #include <BeagleRT.h>
 #include <Utilities.h>