From f5c5adee6aa82514500366f75f1f53aaf317c064 Mon Sep 17 00:00:00 2001
From: Robin Gareus <robin@gareus.org>
Date: Tue, 31 Oct 2017 22:01:04 +0100
Subject: Interpolation phase[] is initially empty

---
 libs/ardour/interpolation.cc | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'libs/ardour/interpolation.cc')

diff --git a/libs/ardour/interpolation.cc b/libs/ardour/interpolation.cc
index c29a62232b..3ba9253dee 100644
--- a/libs/ardour/interpolation.cc
+++ b/libs/ardour/interpolation.cc
@@ -41,6 +41,7 @@ CubicInterpolation::interpolate (int channel, samplecnt_t input_samples, Sample
 	assert (output_samples > 0);
 	assert (input);
 	assert (output);
+	assert (phase.size () > channel);
 
 	_speed = fabs (_speed);
 
@@ -221,5 +222,6 @@ CubicInterpolation::reset ()
 samplecnt_t
 CubicInterpolation::distance (samplecnt_t nsamples)
 {
+	assert (phase.size () > 0);
 	return floor (floor (phase[0]) + (_speed * nsamples));
 }
-- 
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