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
@@ -0,0 +1,65 @@
+class LocalVideoTrackOptions {
+  CameraPosition position = CameraPosition.FRONT;
+  VideoParameter params;
+
+  LocalVideoTrackOptions({
+    required VideoParameter params,
+    CameraPosition? position,
+  }) : this.params = params {
+    if (position != null) {
+      this.position = position;
+    }
+  }
+
+  Map<String, dynamic> get mediaConstraints {
+    return {
+      "mandatory": params.mediaConstraints,
+      "facingMode": position == CameraPosition.FRONT ? "user" : "environment",
+    };
+  }
+}
+
+enum CameraPosition {
+  FRONT,
+  BACK,
+}
+
+class VideoParameter {
+  int width;
+  int height;
+  int fps;
+  int? bitrate;
+
+  VideoParameter(
+    this.width,
+    this.height,
+    this.fps, {
+    int? bitrate,
+  }) : this.bitrate = bitrate;
+
+  Map<String, dynamic> get mediaConstraints {
+    return {
+      "minWidth": this.width,
+      "minHeight": this.height,
+      "minFrameRate": this.fps,
+    };
+  }
+}
+
+class VideoPresets {
+  static final qvga = VideoParameter(320, 180, 15);
+  static final vga = VideoParameter(640, 360, 30);
+  static final qhd = VideoParameter(960, 540, 30);
+  static final hd = VideoParameter(1280, 720, 30);
+  static final fhd = VideoParameter(1920, 1080, 30);
+
+  static final List<VideoParameter> all = [
+    qvga,
+    vga,
+    qhd,
+    hd,
+    fhd,
+  ];
+}
+
+class LocalAudioTrackOptions {}