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foobar2000/helpers/VisUtils.h

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+#pragma once
+
+namespace VisUtils {
+	//! Turns an arbitrary audio_chunk into a valid chunk to run FFT on, with proper sample count etc.
+	//! @param centerOffset Time offset (in seconds) inside the source chunk to center the output on, in case the FFT window is smaller than input data.
+	void PrepareFFTChunk(audio_chunk const & source, audio_chunk & out, double centerOffset);
+
+	bool IsValidFFTSize(t_size size);
+	t_size MatchFFTSize(t_size samples);
+};