From a472a884a9d2d17eb31a8a02322608fe7d71e8a3 Mon Sep 17 00:00:00 2001
From: Joel Holdsworth <joel@airwebreathe.org.uk>
Date: Fri, 17 Jan 2014 18:41:31 +0000
Subject: [PATCH] pv::view::View::get_time_extents: Assume samplerate is 1 if
 given an invalid value

Fixes #278
---
 pv/view/view.cpp | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/pv/view/view.cpp b/pv/view/view.cpp
index a437918d..35195b58 100644
--- a/pv/view/view.cpp
+++ b/pv/view/view.cpp
@@ -286,9 +286,12 @@ pair<double, double> View::get_time_extents() const
 	BOOST_FOREACH(const shared_ptr<SignalData> d, visible_data)
 	{
 		const double start_time = d->get_start_time();
+		double samplerate = d->samplerate();
+		samplerate = (samplerate <= 0.0) ? 1.0 : samplerate;
+
 		left_time = min(left_time, start_time);
 		right_time = max(right_time, start_time +
-			d->get_max_sample_count() / d->samplerate());
+			d->get_max_sample_count() / samplerate);
 	}
 
 	assert(left_time < right_time);
-- 
2.30.2