More detailed error message.

diff --git a/RtAudio.cpp b/RtAudio.cpp
index 168a941dc3276a325c3e1f1e0575621aa9218afb..18d1fd0af29b264fe835aa78649b09e9af5324fa 100644 (file)
--- 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;
   }