Expose .fftSize() on STFT

README.md

@@ -1,6 +1,6 @@
 # Signalsmith Audio's DSP Library
 
-A C++ header-only library, providing classes/templates for (mostly audio) signal-processing tasks.
+A C++11 header-only library, providing classes/templates for (mostly audio) signal-processing tasks.
 
 ```
 git clone https://signalsmith-audio.co.uk/code/dsp.git
@@ -20,7 +20,7 @@ Tests (and source-scripts for the above docs) are available in a separate repo:
 git clone https://signalsmith-audio.co.uk/code/dsp-doc.git
 ```
 
-The goal (where possible) is for the actual audio characteristics of the tools (e.g. frequency responses and aliasing levels).
+The goal (where possible) is to measure/test the actual audio characteristics of the tools (e.g. frequency responses and aliasing levels).
 
 
 ### License

spectral.h

@@ -158,7 +158,7 @@ namespace spectral {
 		using Super = signalsmith::delay::MultiBuffer<Sample>;
 		using Complex = std::complex<Sample>;
 
-		int channels = 0, _windowSize = 0, fftSize = 0, interval = 1;
+		int channels = 0, _windowSize = 0, _fftSize = 0, interval = 1;
 		int validUntilIndex = 0;
 		WindowedFFT<Sample> fft;
 
@@ -194,7 +194,7 @@ namespace spectral {
 
 			this->channels = channels;
 			_windowSize = windowSize;
-			this->fftSize = fftSize;
+			this->_fftSize = fftSize;
 			this->interval = interval;
 			validUntilIndex = -1;
 
@@ -230,6 +230,9 @@ namespace spectral {
 		int windowSize() {
 			return _windowSize;
 		}
+		int fftSize() {
+			return _fftSize;
+		}
 		/// Returns the (analysis and synthesis) window
 		decltype(fft.window()) window() {
 			return fft.window();
@@ -316,7 +319,7 @@ namespace spectral {
 		}
 
 		int bands() const {
-			return fftSize/2;
+			return _fftSize/2;
 		}
 
 		/** Internal latency (between the block-index requested in `.ensureValid()` and its position in the output)