From 62ee2ca44585f7be6c8ce2bf0f7b5c6269000882 Mon Sep 17 00:00:00 2001
From: Jakob Ketterl <jakob.ketterl@gmx.de>
Date: Fri, 7 Aug 2020 22:58:24 +0200
Subject: [PATCH] add documentation about freedv_rx

---
 owrx/feature.py | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/owrx/feature.py b/owrx/feature.py
index abb98a0..a675823 100644
--- a/owrx/feature.py
+++ b/owrx/feature.py
@@ -404,4 +404,11 @@ class FeatureDetector(object):
         return self.command_is_runnable("rockprog")
 
     def has_freedv_rx(self):
+        """
+        The "freedv\_rx" executable is required to demodulate FreeDV digital transmissions. It comes together with the
+        codec2 library, but it's only a supplemental part and not installed by default or contained in its packages.
+        To install it, you will need to compile codec2 from source and manually install freedv\_rx.
+
+        You can find the codec2 source code [here](https://github.com/drowe67/codec2).
+        """
         return self.command_is_runnable("freedv_rx")