add to LUA API (new Stripable API)

[ardour.git] / libs / ardour / dsp_filter.cc

diff --git a/libs/ardour/dsp_filter.cc b/libs/ardour/dsp_filter.cc
index 8a10d304b13e80dd2cebca5bd2be1ccf80d6df2e..a85e98fd556c5677a9ebcf5f85038cb3c91edc32 100644 (file)
--- a/libs/ardour/dsp_filter.cc
+++ b/libs/ardour/dsp_filter.cc
@@ -354,6 +354,7 @@ FFTSpectrum::~FFTSpectrum ()
 void
 FFTSpectrum::init (uint32_t window_size, double rate)
 {
+       assert (window_size > 0);
        Glib::Threads::Mutex::Lock lk (fft_planner_lock);
 
        _fft_window_size = window_size;