comparison examples/05-Communication/basic-midi/render.cpp @ 543:8f8809c77dda prerelease

updated basics, digital, instruments, extras examples

 	midi.setParserCallback(midiMessageCallback, &gMidiPort0);
 	if(context->analogFrames == 0) {
 		rt_printf("Error: this example needs the analog I/O to be enabled\n");
 		return false;
 	}
+
+	if(context->audioOutChannels <= 2 ||
+		context->analogOutChannels <= 2){
+		printf("Error: for this project, you need at least 2 analog and audio output channels.\n");
+		return false;
+	}
+
 	gSamplingPeriod = 1/context->audioSampleRate;
 	return true;
 }
 
 // render() is called regularly at the highest priority by the audio engine.