Fix: After the window is closed, the old source still exists (flutter-webrtc#1279)

nikohpng · web-flow · commit c6e43292ed3c · 2023-02-24T15:30:28.000+08:00
diff --git a/lib/src/native/desktop_capturer_impl.dart b/lib/src/native/desktop_capturer_impl.dart
@@ -146,6 +146,7 @@ class DesktopCapturerNative extends DesktopCapturer {
   @override
   Future<List<DesktopCapturerSource>> getSources(
       {required List<SourceType> types, ThumbnailSize? thumbnailSize}) async {
+    _sources.clear();
     final response = await WebRTC.invokeMethod(
       'getDesktopSources',
       <String, dynamic>{
