# HG changeset patch
# User Chris Cannam
# Date 1386065809 0
# Node ID a2b3fd07d8627c4918e2a1d5fef8c19a171725aa
# Parent  fe7552b4f80ab9ecc58abb395850588c24e37a42
Avoid pathological FFT length of 1 in plugin tester

diff -r fe7552b4f80a -r a2b3fd07d862 dsp/tempotracking/DownBeat.cpp
--- a/dsp/tempotracking/DownBeat.cpp	Tue Dec 03 10:02:46 2013 +0000
+++ b/dsp/tempotracking/DownBeat.cpp	Tue Dec 03 10:16:49 2013 +0000
@@ -44,7 +44,10 @@
     // 16x decimation, which is our expected normal situation)
     m_beatframesize = MathUtilities::nextPowerOfTwo
         (int((m_rate / decimationFactor) * 1.3));
-//    std::cerr << "rate = " << m_rate << ", bfs = " << m_beatframesize << std::endl;
+    if (m_beatframesize < 2) {
+        m_beatframesize = 2;
+    }
+//    std::cerr << "rate = " << m_rate << ", dec = " << decimationFactor << ", bfs = " << m_beatframesize << std::endl;
     m_beatframe = new double[m_beatframesize];
     m_fftRealOut = new double[m_beatframesize];
     m_fftImagOut = new double[m_beatframesize];