From 819790cbc8b9849ee7c567b5e751f5c9bf02a8ec Mon Sep 17 00:00:00 2001
From: Jakob Ketterl <jakob.ketterl@gmx.de>
Date: Mon, 15 Feb 2021 18:03:16 +0100
Subject: [PATCH] prevent an endless loop when client has problematic audio

---
 csdr/csdr.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/csdr/csdr.py b/csdr/csdr.py
index 0902364..80ff9e3 100644
--- a/csdr/csdr.py
+++ b/csdr/csdr.py
@@ -530,6 +530,8 @@ class dsp(object):
         (self.decimation, self.last_decimation) = self.get_decimation(self.samp_rate, self.get_audio_rate())
 
     def get_decimation(self, input_rate, output_rate):
+        if output_rate <= 0:
+            raise ValueError("invalid output rate: {rate}".format(rate=output_rate))
         decimation = 1
         target_rate = output_rate
         # wideband fm has a much higher frequency deviation (75kHz).