From f9e5a84ec8746f27068dbfcd995470962d883393 Mon Sep 17 00:00:00 2001
From: Carl Hetherington <cth@carlh.net>
Date: Tue, 10 Nov 2020 23:58:17 +0100
Subject: [PATCH] More detailed error message.

---
 RtAudio.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/RtAudio.cpp b/RtAudio.cpp
index 168a941..18d1fd0 100644
--- a/RtAudio.cpp
+++ b/RtAudio.cpp
@@ -4414,7 +4414,9 @@ RtAudio::DeviceInfo RtApiWasapi::getDeviceInfo( unsigned int device )
 
   hr = audioClient->GetMixFormat( &deviceFormat );
   if ( FAILED( hr ) ) {
-    errorText_ = "RtApiWasapi::getDeviceInfo: Unable to retrieve device mix format.";
+    char error[256];
+    snprintf(error, sizeof(error), "RtApiWasapi::getDeviceInfo: Unable to retrieve device mix format (%d)", hr);
+    errorText_ = error;
     goto Exit;
   }
 
-- 
2.30.2