comparison examples/04-Audio/FFT-audio-in/render.cpp @ 544:cdabbaf3a252 prerelease

Updated Audio examples for audioOutChannels etc.

 static ne10_fft_cpx_float32_t* frequencyDomain;
 static ne10_fft_cfg_float32_t cfg;
 
 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;
+	}
+	
 	// Retrieve a parameter passed in from the initAudio() call
 	gFFTSize = *(int *)userData;
 
 	timeDomainIn = (ne10_fft_cpx_float32_t*) NE10_MALLOC (gFFTSize * sizeof (ne10_fft_cpx_float32_t));
 	timeDomainOut = (ne10_fft_cpx_float32_t*) NE10_MALLOC (gFFTSize * sizeof (ne10_fft_cpx_float32_t));

 }
 
 void render(BelaContext *context, void *userData)
 {
 	for(unsigned int n = 0; n < context->audioFrames; n++) {
-		timeDomainIn[gReadPointer].r = (ne10_float32_t) ((context->audioIn[n*context->audioChannels] +
-															context->audioIn[n*context->audioChannels+1]) * 0.5);
+		timeDomainIn[gReadPointer].r = (ne10_float32_t) ((context->audioIn[n*context->audioInChannels] +
+															context->audioIn[n*context->audioOutChannels+1]) * 0.5);
 		timeDomainIn[gReadPointer].i = 0;
 
 		if(++gReadPointer >= gFFTSize)
 		{
 			//FFT

 
 			gReadPointer = 0;
 			gWritePointer = 0;
 		}
 
-		for(unsigned int channel = 0; channel < context->audioChannels; channel++)
-			context->audioOut[n * context->audioChannels + channel] = (float) timeDomainOut[gWritePointer].r;
+		for(unsigned int channel = 0; channel < context->audioOutChannels; channel++)
+			context->audioOut[n * context->audioOutChannels + channel] = (float) timeDomainOut[gWritePointer].r;
 		gWritePointer++;
 	}
 }
 
 void cleanup(BelaContext *context, void *userData)