comparison examples/04-Audio/FFT-phase-vocoder/render.cpp @ 544:cdabbaf3a252 prerelease

Updated Audio examples for audioOutChannels etc.

 // in from the call to initAudio().
 //
 // Return true on success; returning false halts the program.
 bool setup(BelaContext* context, void* userData)
 {
+    // Check that we have the same number of inputs and outputs.
+	if(context->audioInChannels != context->audioOutChannels ||
+			context->analogInChannels != context-> analogOutChannels){
+		printf("Error: for this project, you need the same number of input and output channels.\n");
+		return false;
+	}
+    
 	midi.readFrom(0);
 	midi.setParserCallback(midiCallback);
 	// Retrieve a parameter passed in from the initAudio() call
 	gSampleData = *(SampleData *)userData;
 

 
 	memset(timeDomainOut, 0, gFFTSize * sizeof (ne10_fft_cpx_float32_t));
 	memset(gOutputBuffer, 0, BUFFER_SIZE * sizeof(float));
 
 	// Allocate buffer to mirror and modify the input
-	gInputAudio = (float *)malloc(context->audioFrames * context->audioChannels * sizeof(float));
+	gInputAudio = (float *)malloc(context->audioFrames * context->audioOutChannels * sizeof(float));
 	if(gInputAudio == 0)
 		return false;
 
 	// Allocate the window buffer based on the FFT size
 	gWindowBuffer = (float *)malloc(gFFTSize * sizeof(float));

 // will be 0.
 void render(BelaContext* context, void* userData)
 {
 	float* audioOut = context->audioOut;
 	int numAudioFrames = context->audioFrames;
-	int numAudioChannels = context->audioChannels;
+	int numAudioChannels = context->audioOutChannels;
 	// ------ this code internal to the demo; leave as is ----------------
 
 	// Prep the "input" to be the sound file played in a loop
 	for(int n = 0; n < numAudioFrames; n++) {
 		if(gReadPtr < gSampleData.sampleLen)