video rendering, local track creation

2021-08-03 10:25:00 -07:00
parent d193b9fb7f
commit aec2003140
12 changed files with 184 additions and 19 deletions
@@ -1,8 +1,32 @@
 import 'package:flutter_webrtc/flutter_webrtc.dart';

+import '../errors.dart';
+import 'options.dart';
 import 'video_track.dart';

 class LocalVideoTrack extends VideoTrack {
-  LocalVideoTrack(String name, MediaStreamTrack mediaTrack)
-      : super(name, mediaTrack);
+  LocalVideoTrack(String name, MediaStreamTrack mediaTrack, MediaStream stream)
+      : super(name, mediaTrack, stream);
+
+  Future<LocalVideoTrack> createCameraTrack(
+      LocalVideoTrackOptions? options) async {
+    if (options == null) {
+      options = LocalVideoTrackOptions(params: VideoPresets.qhd);
+    }
+
+    try {
+      var stream = await navigator.mediaDevices.getUserMedia({
+        "audio": false,
+        "video": options.mediaConstraints,
+      });
+
+      if (stream.getVideoTracks().length == 0) {
+        return Future.error(TrackCreateError());
+      }
+
+      return LocalVideoTrack("", stream.getVideoTracks().first, stream);
+    } catch (e) {
+      return Future.error(e);
+    }
+  }
 }