oboe: warn user of permission errors

AAudio returns confusing error codes when an open fails due to permission errors. Suggest a possible reason. Related to #888
google · Jun 17, 2020 · 1f62387 · 1f62387
1 parent cb01be5
commit 1f62387
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/src/aaudio/AudioStreamAAudio.cpp b/src/aaudio/AudioStreamAAudio.cpp
@@ -239,6 +239,11 @@ Result AudioStreamAAudio::open() {
         mAAudioStream.store(stream);
     }
     if (result != Result::OK) {
+        // Warn developer because ErrorInternal is not very informative.
+        if (result == Result::ErrorInternal && mDirection == Direction::Input) {
+            LOGW("AudioStreamAAudio.open() may have failed due to lack of "
+                 "audio recording permission.");
+        }
         goto error2;
     }