organize video types

lib/src/core/engine.dart

@@ -1,9 +1,9 @@
 import 'dart:async';
 
-import 'package:collection/collection.dart';
 import 'package:flutter/foundation.dart';
+
+import 'package:collection/collection.dart';
 import 'package:flutter_webrtc/flutter_webrtc.dart' as rtc;
-import 'package:livekit_client/src/support/websocket.dart';
 import 'package:meta/meta.dart';
 
 import '../constants.dart';
@@ -19,7 +19,9 @@ import '../options.dart';
 import '../proto/livekit_models.pb.dart' as lk_models;
 import '../proto/livekit_rtc.pb.dart' as lk_rtc;
 import '../support/disposable.dart';
-import '../types.dart';
+import '../support/websocket.dart';
+import '../types/other.dart';
+import '../types/video_dimensions.dart';
 import '../utils.dart';
 import 'room.dart';
 import 'signal_client.dart';

lib/src/core/room.dart

@@ -14,7 +14,7 @@ import '../proto/livekit_models.pb.dart' as lk_models;
 import '../proto/livekit_rtc.pb.dart' as lk_rtc;
 import '../support/disposable.dart';
 import '../track/track.dart';
-import '../types.dart';
+import '../types/other.dart';
 import 'engine.dart';
 
 /// Room is the primary construct for LiveKit conferences. It contains a

lib/src/core/signal_client.dart

@@ -15,7 +15,8 @@ import '../proto/livekit_models.pb.dart' as lk_models;
 import '../proto/livekit_rtc.pb.dart' as lk_rtc;
 import '../support/disposable.dart';
 import '../support/websocket.dart';
-import '../types.dart';
+import '../types/other.dart';
+import '../types/video_dimensions.dart';
 import '../utils.dart';
 
 class SignalClient extends Disposable with EventsEmittable<SignalEvent> {

lib/src/core/transport.dart

@@ -7,7 +7,7 @@ import '../extensions.dart';
 import '../internal/types.dart';
 import '../logger.dart';
 import '../support/disposable.dart';
-import '../types.dart';
+import '../types/other.dart';
 import '../utils.dart';
 
 typedef PCTransportOnOffer = void Function(rtc.RTCSessionDescription offer);

lib/src/events.dart

@@ -8,7 +8,7 @@ import 'publication/local.dart';
 import 'publication/remote.dart';
 import 'publication/track_publication.dart';
 import 'track/track.dart';
-import 'types.dart';
+import 'types/other.dart';
 
 /// Base type for all LiveKit events.
 mixin LiveKitEvent {}

lib/src/extensions.dart

@@ -6,7 +6,7 @@ import 'events.dart';
 import 'managers/event.dart';
 import 'proto/livekit_models.pb.dart' as lk_models;
 import 'proto/livekit_rtc.pb.dart' as lk_rtc;
-import 'types.dart';
+import 'types/other.dart';
 
 extension DataPacketKindExt on lk_models.DataPacket_Kind {
   Reliability toSDKType() => {

lib/src/internal/events.dart

@@ -5,7 +5,7 @@ import '../events.dart';
 import '../proto/livekit_models.pb.dart' as lk_models;
 import '../proto/livekit_rtc.pb.dart' as lk_rtc;
 import '../track/track.dart';
-import '../types.dart';
+import '../types/other.dart';
 
 abstract class InternalEvent implements LiveKitEvent {}
 

lib/src/managers/event.dart

@@ -8,7 +8,7 @@ import '../exceptions.dart';
 import '../extensions.dart';
 import '../logger.dart';
 import '../support/disposable.dart';
-import '../types.dart';
+import '../types/other.dart';
 
 mixin EventsEmittable<T> {
   final events = EventsEmitter<T>();

lib/src/options.dart

@@ -4,7 +4,9 @@ import 'track/local/audio.dart';
 import 'track/local/video.dart';
 import 'track/options.dart';
 import 'track/track.dart';
-import 'types.dart';
+import 'types/other.dart';
+import 'types/video_encoding.dart';
+import 'types/video_parameters.dart';
 
 /// Options used when connecting to the server.
 class ConnectOptions {

lib/src/participant/local.dart

@@ -1,4 +1,5 @@
 import 'package:flutter/foundation.dart';
+
 import 'package:flutter_webrtc/flutter_webrtc.dart' as rtc;
 import 'package:meta/meta.dart';
 
@@ -15,7 +16,8 @@ import '../publication/local.dart';
 import '../track/local/audio.dart';
 import '../track/local/local.dart';
 import '../track/local/video.dart';
-import '../types.dart';
+import '../types/other.dart';
+import '../types/video_dimensions.dart';
 import '../utils.dart';
 import 'participant.dart';
 

lib/src/participant/participant.dart

@@ -11,7 +11,7 @@ import '../publication/track_publication.dart';
 import '../support/disposable.dart';
 import '../track/local/local.dart';
 import '../track/track.dart';
-import '../types.dart';
+import '../types/other.dart';
 import 'local.dart';
 import 'remote.dart';
 

lib/src/participant/remote.dart

@@ -12,7 +12,7 @@ import '../publication/remote.dart';
 import '../track/remote/audio.dart';
 import '../track/remote/remote.dart';
 import '../track/remote/video.dart';
-import '../types.dart';
+import '../types/other.dart';
 import 'participant.dart';
 
 /// Represents other participant in the [Room].

lib/src/publication/remote.dart

@@ -1,8 +1,9 @@
 import 'dart:async';
 import 'dart:math';
 
-import 'package:collection/collection.dart';
 import 'package:flutter/widgets.dart';
+
+import 'package:collection/collection.dart';
 import 'package:meta/meta.dart';
 
 import '../core/signal_client.dart';
@@ -16,7 +17,7 @@ import '../proto/livekit_rtc.pb.dart' as lk_rtc;
 import '../track/local/local.dart';
 import '../track/remote/remote.dart';
 import '../track/remote/video.dart';
-import '../types.dart';
+import '../types/other.dart';
 import '../utils.dart';
 import 'track_publication.dart';
 

lib/src/publication/track_publication.dart

@@ -1,5 +1,6 @@
 import 'package:meta/meta.dart';
 
+import '../core/signal_client.dart';
 import '../events.dart';
 import '../extensions.dart';
 import '../internal/events.dart';
@@ -7,10 +8,10 @@ import '../logger.dart';
 import '../participant/participant.dart';
 import '../proto/livekit_models.pb.dart' as lk_models;
 import '../support/disposable.dart';
-import '../track/track.dart';
 import '../track/local/local.dart';
-import '../types.dart';
-import '../core/signal_client.dart';
+import '../track/track.dart';
+import '../types/other.dart';
+import '../types/video_dimensions.dart';
 
 /// Represents a track that's published to the server. This class contains
 /// metadata associated with tracks.

lib/src/support/native.dart

@@ -1,4 +1,5 @@
 import 'package:flutter/services.dart';
+
 import 'package:meta/meta.dart';
 
 import '../logger.dart';

lib/src/track/local/audio.dart

@@ -3,7 +3,7 @@ import 'dart:async';
 import 'package:flutter_webrtc/flutter_webrtc.dart' as rtc;
 
 import '../../proto/livekit_models.pb.dart' as lk_models;
-import '../../types.dart';
+import '../../types/other.dart';
 import '../audio_management.dart';
 import '../options.dart';
 import 'local.dart';

lib/src/track/local/local.dart

@@ -1,4 +1,5 @@
 import 'package:flutter/material.dart';
+
 import 'package:flutter_webrtc/flutter_webrtc.dart' as rtc;
 import 'package:meta/meta.dart';
 
@@ -8,7 +9,7 @@ import '../../logger.dart';
 import '../../participant/remote.dart';
 import '../../proto/livekit_models.pb.dart' as lk_models;
 import '../../support/platform.dart';
-import '../../types.dart';
+import '../../types/other.dart';
 import '../options.dart';
 import '../remote/audio.dart';
 import '../remote/video.dart';

lib/src/track/local/video.dart

@@ -2,7 +2,7 @@ import 'package:flutter_webrtc/flutter_webrtc.dart' as rtc;
 
 import '../../logger.dart';
 import '../../proto/livekit_models.pb.dart' as lk_models;
-import '../../types.dart';
+import '../../types/other.dart';
 import '../options.dart';
 import '../track.dart';
 import 'local.dart';

lib/src/track/options.dart

@@ -1,8 +1,6 @@
-import 'package:flutter_webrtc/flutter_webrtc.dart' as rtc;
-
 import '../track/local/audio.dart';
 import '../track/local/video.dart';
-import '../types.dart';
+import '../types/video_parameters.dart';
 
 /// A type that represents front or back of the camera.
 enum CameraPosition {
@@ -25,7 +23,7 @@ class CameraCaptureOptions extends VideoCaptureOptions {
 
   const CameraCaptureOptions({
     this.cameraPosition = CameraPosition.front,
-    VideoParameters params = VideoParameters.presetQHD169,
+    VideoParameters params = VideoParametersPresets.h720_169,
   }) : super(params: params);
 
   CameraCaptureOptions.from({required VideoCaptureOptions captureOptions})
@@ -53,7 +51,7 @@ class CameraCaptureOptions extends VideoCaptureOptions {
 /// Options used when creating a [LocalVideoTrack] that captures the screen.
 class ScreenShareCaptureOptions extends VideoCaptureOptions {
   const ScreenShareCaptureOptions({
-    VideoParameters params = VideoParameters.presetHD169,
+    VideoParameters params = VideoParametersPresets.h720_169,
   }) : super(params: params);
 
   ScreenShareCaptureOptions.from({required VideoCaptureOptions captureOptions})
@@ -73,7 +71,7 @@ abstract class VideoCaptureOptions extends LocalTrackOptions {
   final VideoParameters params;
 
   const VideoCaptureOptions({
-    this.params = VideoParameters.presetQHD169,
+    this.params = VideoParametersPresets.h720_169,
   });
 
   @override
@@ -81,414 +79,6 @@ abstract class VideoCaptureOptions extends LocalTrackOptions {
       params.toMediaConstraintsMap();
 }
 
-/// A type that represents video encoding information.
-class VideoEncoding {
-  final int maxFramerate;
-  final int maxBitrate;
-
-  const VideoEncoding({
-    required this.maxFramerate,
-    required this.maxBitrate,
-  });
-
-  @override
-  String toString() =>
-      '${runtimeType}(maxFramerate: ${maxFramerate}, maxBitrate: ${maxBitrate})';
-}
-
-/// Convenience extension for [VideoEncoding].
-extension VideoEncodingExt on VideoEncoding {
-  rtc.RTCRtpEncoding toRTCRtpEncoding({
-    String? rid,
-    double? scaleResolutionDownBy = 1.0,
-    int? numTemporalLayers,
-  }) =>
-      rtc.RTCRtpEncoding(
-        rid: rid,
-        scaleResolutionDownBy: scaleResolutionDownBy,
-        maxFramerate: maxFramerate,
-        maxBitrate: maxBitrate,
-        numTemporalLayers: numTemporalLayers,
-      );
-}
-
-class VideoParameters {
-  // 16:9 Presets
-  static const presetH90_169 = VideoParameters(
-    dimensions: VideoDimensions.h90_169,
-    encoding: VideoEncoding(
-      maxBitrate: 60 * 1000,
-      maxFramerate: 15,
-    ),
-  );
-  static const presetH180_169 = VideoParameters(
-    dimensions: VideoDimensions.h180_169,
-    encoding: VideoEncoding(
-      maxBitrate: 120 * 1000,
-      maxFramerate: 15,
-    ),
-  );
-
-  static const presetH216_169 = VideoParameters(
-    dimensions: VideoDimensions.h216_169,
-    encoding: VideoEncoding(
-      maxBitrate: 180 * 1000,
-      maxFramerate: 15,
-    ),
-  );
-
-  static const presetH360_169 = VideoParameters(
-    dimensions: VideoDimensions.h360_169,
-    encoding: VideoEncoding(
-      maxBitrate: 300 * 1000,
-      maxFramerate: 20,
-    ),
-  );
-
-  static const presetH540_169 = VideoParameters(
-    dimensions: VideoDimensions.h540_169,
-    encoding: VideoEncoding(
-      maxBitrate: 600 * 1000,
-      maxFramerate: 25,
-    ),
-  );
-
-  static const presetH720_169 = VideoParameters(
-    dimensions: VideoDimensions.h720_169,
-    encoding: VideoEncoding(
-      maxBitrate: 2 * 1000 * 1000,
-      maxFramerate: 30,
-    ),
-  );
-
-  static const presetH1080_169 = VideoParameters(
-    dimensions: VideoDimensions.h1080_169,
-    encoding: VideoEncoding(
-      maxBitrate: 3 * 1000 * 1000,
-      maxFramerate: 30,
-    ),
-  );
-
-  static const presetH1440_169 = VideoParameters(
-    dimensions: VideoDimensions.h1440_169,
-    encoding: VideoEncoding(
-      maxBitrate: 5 * 1000 * 1000,
-      maxFramerate: 30,
-    ),
-  );
-
-  static const presetH2160_169 = VideoParameters(
-    dimensions: VideoDimensions.h2160_169,
-    encoding: VideoEncoding(
-      maxBitrate: 8 * 1000 * 1000,
-      maxFramerate: 30,
-    ),
-  );
-
-  // 4:3 presets
-
-  static const presetH120_43 = VideoParameters(
-    dimensions: VideoDimensions.h120_43,
-    encoding: VideoEncoding(
-      maxBitrate: 80 * 1000,
-      maxFramerate: 15,
-    ),
-  );
-
-  static const presetH180_43 = VideoParameters(
-    dimensions: VideoDimensions.h180_43,
-    encoding: VideoEncoding(
-      maxBitrate: 100 * 1000,
-      maxFramerate: 15,
-    ),
-  );
-
-  static const presetH240_43 = VideoParameters(
-    dimensions: VideoDimensions.h240_43,
-    encoding: VideoEncoding(
-      maxBitrate: 150 * 1000,
-      maxFramerate: 15,
-    ),
-  );
-
-  static const presetH360_43 = VideoParameters(
-    dimensions: VideoDimensions.h360_43,
-    encoding: VideoEncoding(
-      maxBitrate: 225 * 1000,
-      maxFramerate: 20,
-    ),
-  );
-
-  static const presetH480_43 = VideoParameters(
-    dimensions: VideoDimensions.h480_43,
-    encoding: VideoEncoding(
-      maxBitrate: 300 * 1000,
-      maxFramerate: 20,
-    ),
-  );
-
-  static const presetH540_43 = VideoParameters(
-    dimensions: VideoDimensions.h540_43,
-    encoding: VideoEncoding(
-      maxBitrate: 450 * 1000,
-      maxFramerate: 25,
-    ),
-  );
-
-  static const presetH720_43 = VideoParameters(
-    dimensions: VideoDimensions.h720_43,
-    encoding: VideoEncoding(
-      maxBitrate: 1 * 500 * 1000,
-      maxFramerate: 30,
-    ),
-  );
-
-  static const presetH1080_43 = VideoParameters(
-    dimensions: VideoDimensions.h1080_43,
-    encoding: VideoEncoding(
-      maxBitrate: 2 * 500 * 1000,
-      maxFramerate: 30,
-    ),
-  );
-
-  static const presetH1440_43 = VideoParameters(
-    dimensions: VideoDimensions.h1440_43,
-    encoding: VideoEncoding(
-      maxBitrate: 3 * 500 * 1000,
-      maxFramerate: 30,
-    ),
-  );
-
-  // Screen share
-
-  static const presetScreenShareH360FPS3 = VideoParameters(
-    dimensions: VideoDimensions.h360_169,
-    encoding: VideoEncoding(
-      maxBitrate: 200 * 1000,
-      maxFramerate: 3,
-    ),
-  );
-
-  static const presetScreenShareH720FPS5 = VideoParameters(
-    dimensions: VideoDimensions.h720_169,
-    encoding: VideoEncoding(
-      maxBitrate: 400 * 1000,
-      maxFramerate: 5,
-    ),
-  );
-
-  static const presetScreenShareH720FPS15 = VideoParameters(
-    dimensions: VideoDimensions.h720_169,
-    encoding: VideoEncoding(
-      maxBitrate: 1 * 1000 * 1000,
-      maxFramerate: 15,
-    ),
-  );
-
-  static const presetScreenShareH1080FPS15 = VideoParameters(
-    dimensions: VideoDimensions.h1080_169,
-    encoding: VideoEncoding(
-      maxBitrate: 1 * 500 * 1000,
-      maxFramerate: 15,
-    ),
-  );
-
-  static const presetScreenShareH1080FPS30 = VideoParameters(
-    dimensions: VideoDimensions.h1080_169,
-    encoding: VideoEncoding(
-      maxBitrate: 3 * 1000 * 1000,
-      maxFramerate: 30,
-    ),
-  );
-
-  final String? description;
-  final VideoDimensions dimensions;
-  final VideoEncoding encoding;
-
-  const VideoParameters({
-    this.description,
-    required this.dimensions,
-    required this.encoding,
-  });
-
-  static const presetQVGA169 = VideoParameters(
-    description: 'QVGA(320x180) 16:9',
-    dimensions: VideoDimensions(320, 180),
-    encoding: VideoEncoding(
-      maxBitrate: 120000,
-      maxFramerate: 10,
-    ),
-  );
-
-  static const presetVGA169 = VideoParameters(
-    description: 'VGA(640x360) 16:9',
-    dimensions: VideoDimensions(640, 360),
-    encoding: VideoEncoding(
-      maxBitrate: 300000,
-      maxFramerate: 20,
-    ),
-  );
-
-  static const presetQHD169 = VideoParameters(
-    description: 'QHD(960x540) 16:9',
-    dimensions: VideoDimensions(960, 540),
-    encoding: VideoEncoding(
-      maxBitrate: 600000,
-      maxFramerate: 25,
-    ),
-  );
-
-  static const presetHD169 = VideoParameters(
-    description: 'HD(1280x720) 16:9',
-    dimensions: VideoDimensions(1280, 720),
-    encoding: VideoEncoding(
-      maxBitrate: 2000000,
-      maxFramerate: 30,
-    ),
-  );
-
-  static const presetFHD169 = VideoParameters(
-    description: 'FHD(1920x1080) 16:9',
-    dimensions: VideoDimensions(1920, 1080),
-    encoding: VideoEncoding(
-      maxBitrate: 3000000,
-      maxFramerate: 30,
-    ),
-  );
-
-  static const presetQVGA43 = VideoParameters(
-    description: 'QVGA(240x180) 4:3',
-    dimensions: VideoDimensions(240, 180),
-    encoding: VideoEncoding(
-      maxBitrate: 90000,
-      maxFramerate: 10,
-    ),
-  );
-
-  static const presetVGA43 = VideoParameters(
-    description: 'VGA(480x360) 4:3',
-    dimensions: VideoDimensions(480, 360),
-    encoding: VideoEncoding(
-      maxBitrate: 225000,
-      maxFramerate: 20,
-    ),
-  );
-
-  static const presetQHD43 = VideoParameters(
-    description: 'QHD(720x540) 4:3',
-    dimensions: VideoDimensions(720, 540),
-    encoding: VideoEncoding(
-      maxBitrate: 450000,
-      maxFramerate: 25,
-    ),
-  );
-
-  static const presetHD43 = VideoParameters(
-    description: 'HD(960x720) 4:3',
-    dimensions: VideoDimensions(960, 720),
-    encoding: VideoEncoding(
-      maxBitrate: 1500000,
-      maxFramerate: 30,
-    ),
-  );
-
-  static const presetFHD43 = VideoParameters(
-    description: 'FHD(1440x1080) 4:3',
-    dimensions: VideoDimensions(1440, 1080),
-    encoding: VideoEncoding(
-      maxBitrate: 2800000,
-      maxFramerate: 30,
-    ),
-  );
-
-  static const presetScreenShareVGA = VideoParameters(
-    description: 'ScreenShareVGA(640x360)',
-    dimensions: VideoDimensions(640, 360),
-    encoding: VideoEncoding(
-      maxBitrate: 200000,
-      maxFramerate: 3,
-    ),
-  );
-
-  static const presetScreenShareHD5 = VideoParameters(
-    description: 'ScreenShareHD5(1280x720)',
-    dimensions: VideoDimensions(1280, 720),
-    encoding: VideoEncoding(
-      maxBitrate: 400000,
-      maxFramerate: 5,
-    ),
-  );
-
-  static const presetScreenShareHD15 = VideoParameters(
-    description: 'ScreenShareHD15(1280x720)',
-    dimensions: VideoDimensions(1280, 720),
-    encoding: VideoEncoding(
-      maxBitrate: 1000000,
-      maxFramerate: 15,
-    ),
-  );
-
-  static const presetScreenShareFHD15 = VideoParameters(
-    description: 'ScreenShareFHD15(1920x1080)',
-    dimensions: VideoDimensions(1920, 1080),
-    encoding: VideoEncoding(
-      maxBitrate: 1500000,
-      maxFramerate: 15,
-    ),
-  );
-
-  static const presetScreenShareFHD30 = VideoParameters(
-    description: 'ScreenShareFHD30(1920x1080)',
-    dimensions: VideoDimensions(1920, 1080),
-    encoding: VideoEncoding(
-      maxBitrate: 3000000,
-      maxFramerate: 30,
-    ),
-  );
-
-  static final List<VideoParameters> presets169 = [
-    presetH90_169,
-    presetH180_169,
-    presetH216_169,
-    presetH360_169,
-    presetH540_169,
-    presetH720_169,
-    presetH1080_169,
-    presetH1440_169,
-    presetH2160_169,
-  ];
-
-  static final List<VideoParameters> presets43 = [
-    presetH120_43,
-    presetH180_43,
-    presetH240_43,
-    presetH360_43,
-    presetH480_43,
-    presetH540_43,
-    presetH720_43,
-    presetH1080_43,
-    presetH1440_43,
-  ];
-
-  static final List<VideoParameters> presetsScreenShare = [
-    presetScreenShareH360FPS3,
-    presetScreenShareH720FPS5,
-    presetScreenShareH720FPS15,
-    presetScreenShareH1080FPS15,
-    presetScreenShareH1080FPS30,
-  ];
-
-  //
-  // TODO: Return constraints that will work for all platforms (Web & Mobile)
-  // https://developer.mozilla.org/en-US/docs/Web/API/MediaDevices/getUserMedia
-  //
-  Map<String, dynamic> toMediaConstraintsMap() => <String, dynamic>{
-        'width': dimensions.width,
-        'height': dimensions.height,
-        'frameRate': encoding.maxFramerate,
-      };
-}
-
 /// Options used when creating a [LocalAudioTrack].
 class AudioCaptureOptions extends LocalTrackOptions {
   /// Attempt to use noiseSuppression option (if supported by the platform)

lib/src/track/remote/audio.dart

@@ -1,7 +1,7 @@
 import 'package:flutter_webrtc/flutter_webrtc.dart' as rtc;
 
 import '../../proto/livekit_models.pb.dart' as lk_models;
-import '../../types.dart';
+import '../../types/other.dart';
 import '../audio_management.dart';
 import '../local/local.dart';
 import 'remote.dart';

lib/src/track/remote/remote.dart

@@ -1,7 +1,7 @@
 import 'package:flutter_webrtc/flutter_webrtc.dart' as rtc;
 
 import '../../proto/livekit_models.pb.dart' as lk_models;
-import '../../types.dart';
+import '../../types/other.dart';
 import '../track.dart';
 
 abstract class RemoteTrack extends Track {

lib/src/track/remote/video.dart

@@ -1,7 +1,7 @@
 import 'package:flutter_webrtc/flutter_webrtc.dart' as rtc;
 
 import '../../proto/livekit_models.pb.dart' as lk_models;
-import '../../types.dart';
+import '../../types/other.dart';
 import '../local/local.dart';
 import 'remote.dart';
 

lib/src/track/track.dart

@@ -9,7 +9,7 @@ import '../logger.dart';
 import '../managers/event.dart';
 import '../proto/livekit_models.pb.dart' as lk_models;
 import '../support/disposable.dart';
-import '../types.dart';
+import '../types/other.dart';
 
 /// Wrapper around a MediaStreamTrack with additional metadata.
 /// Base for [AudioTrack] and [VideoTrack],

lib/src/track/web/_audio_html.dart

@@ -1,11 +1,10 @@
-// ignore: avoid_web_libraries_in_flutter
-
 import 'dart:html' as html;
 
-// ignore: implementation_imports
-import 'package:dart_webrtc/src/media_stream_track_impl.dart';
 import 'package:flutter_webrtc/flutter_webrtc.dart' as rtc;
 
+// ignore: implementation_imports
+import 'package:dart_webrtc/src/media_stream_track_impl.dart'; // import_sorter: keep
+
 const audioContainerId = 'livekit_audio_container';
 const audioPrefix = 'livekit_audio_';
 

lib/src/types/other.dart

@@ -2,8 +2,8 @@ import 'dart:math' as math;
 
 import 'package:flutter/material.dart';
 
-import 'extensions.dart';
-import 'participant/participant.dart';
+import '../extensions.dart';
+import '../participant/participant.dart';
 
 typedef CancelListenFunc = Function();
 
@@ -142,58 +142,6 @@ class RTCIceServer {
       };
 }
 
-/// A simple class that represents dimensions of video.
-@immutable
-class VideoDimensions {
-  // 16:9 aspect ratio presets
-  static const h90_169 = VideoDimensions(160, 90);
-  static const h180_169 = VideoDimensions(320, 180);
-  static const h216_169 = VideoDimensions(384, 216);
-  static const h360_169 = VideoDimensions(640, 360);
-  static const h540_169 = VideoDimensions(960, 540);
-  static const h720_169 = VideoDimensions(1280, 720);
-  static const h1080_169 = VideoDimensions(1920, 1080);
-  static const h1440_169 = VideoDimensions(2560, 1440);
-  static const h2160_169 = VideoDimensions(3840, 2160);
-
-  // 4:3 aspect ratio presets
-  static const h120_43 = VideoDimensions(160, 120);
-  static const h180_43 = VideoDimensions(240, 180);
-  static const h240_43 = VideoDimensions(320, 240);
-  static const h360_43 = VideoDimensions(480, 360);
-  static const h480_43 = VideoDimensions(640, 480);
-  static const h540_43 = VideoDimensions(720, 540);
-  static const h720_43 = VideoDimensions(960, 720);
-  static const h1080_43 = VideoDimensions(1440, 1080);
-  static const h1440_43 = VideoDimensions(1920, 1440);
-
-  final int width;
-  final int height;
-
-  const VideoDimensions(
-    this.width,
-    this.height,
-  );
-
-  @override
-  String toString() => '${runtimeType}(${width}x${height})';
-
-  /// Returns the larger value
-  int max() => math.max(width, height);
-
-  /// Returns the smaller value
-  int min() => math.min(width, height);
-
-  VideoDimensions copyWith({
-    int? width,
-    int? height,
-  }) =>
-      VideoDimensions(
-        width ?? this.width,
-        height ?? this.height,
-      );
-}
-
 @immutable
 class ParticipantTrackPermission {
   /// The participant id this permission applies to.

lib/src/types/video_dimensions.dart

@@ -0,0 +1,62 @@
+import 'dart:math' as math;
+
+import 'package:meta/meta.dart';
+
+/// A simple class that represents dimensions of video.
+@immutable
+class VideoDimensions {
+  final int width;
+  final int height;
+
+  const VideoDimensions(
+    this.width,
+    this.height,
+  );
+
+  @override
+  String toString() => '${runtimeType}(${width}x${height})';
+
+  VideoDimensions copyWith({
+    int? width,
+    int? height,
+  }) =>
+      VideoDimensions(
+        width ?? this.width,
+        height ?? this.height,
+      );
+}
+
+extension VideoDimensionsHelpers on VideoDimensions {
+  /// Returns the larger value
+  int max() => math.max(width, height);
+
+  /// Returns the smaller value
+  int min() => math.min(width, height);
+
+  /// Simply returns the area
+  int area() => width * height;
+}
+
+extension VideoDimensionsPresets on VideoDimensions {
+  // 16:9 aspect ratio presets
+  static const h90_169 = VideoDimensions(160, 90);
+  static const h180_169 = VideoDimensions(320, 180);
+  static const h216_169 = VideoDimensions(384, 216);
+  static const h360_169 = VideoDimensions(640, 360);
+  static const h540_169 = VideoDimensions(960, 540);
+  static const h720_169 = VideoDimensions(1280, 720);
+  static const h1080_169 = VideoDimensions(1920, 1080);
+  static const h1440_169 = VideoDimensions(2560, 1440);
+  static const h2160_169 = VideoDimensions(3840, 2160);
+
+  // 4:3 aspect ratio presets
+  static const h120_43 = VideoDimensions(160, 120);
+  static const h180_43 = VideoDimensions(240, 180);
+  static const h240_43 = VideoDimensions(320, 240);
+  static const h360_43 = VideoDimensions(480, 360);
+  static const h480_43 = VideoDimensions(640, 480);
+  static const h540_43 = VideoDimensions(720, 540);
+  static const h720_43 = VideoDimensions(960, 720);
+  static const h1080_43 = VideoDimensions(1440, 1080);
+  static const h1440_43 = VideoDimensions(1920, 1440);
+}

lib/src/types/video_encoding.dart

@@ -0,0 +1,34 @@
+import 'package:flutter_webrtc/flutter_webrtc.dart' as rtc;
+import 'package:meta/meta.dart';
+
+/// A type that represents video encoding information.
+@immutable
+class VideoEncoding {
+  final int maxFramerate;
+  final int maxBitrate;
+
+  const VideoEncoding({
+    required this.maxFramerate,
+    required this.maxBitrate,
+  });
+
+  @override
+  String toString() =>
+      '${runtimeType}(maxFramerate: ${maxFramerate}, maxBitrate: ${maxBitrate})';
+}
+
+/// Convenience extension for [VideoEncoding].
+extension VideoEncodingExt on VideoEncoding {
+  rtc.RTCRtpEncoding toRTCRtpEncoding({
+    String? rid,
+    double? scaleResolutionDownBy = 1.0,
+    int? numTemporalLayers,
+  }) =>
+      rtc.RTCRtpEncoding(
+        rid: rid,
+        scaleResolutionDownBy: scaleResolutionDownBy,
+        maxFramerate: maxFramerate,
+        maxBitrate: maxBitrate,
+        numTemporalLayers: numTemporalLayers,
+      );
+}

lib/src/types/video_parameters.dart

@@ -0,0 +1,258 @@
+import 'package:meta/meta.dart';
+
+import 'video_dimensions.dart';
+import 'video_encoding.dart';
+
+@immutable
+class VideoParameters {
+  final String? description;
+  final VideoDimensions dimensions;
+  final VideoEncoding encoding;
+
+  const VideoParameters({
+    this.description,
+    required this.dimensions,
+    required this.encoding,
+  });
+
+  //
+  // TODO: Return constraints that will work for all platforms (Web & Mobile)
+  // https://developer.mozilla.org/en-US/docs/Web/API/MediaDevices/getUserMedia
+  //
+  Map<String, dynamic> toMediaConstraintsMap() => <String, dynamic>{
+        'width': dimensions.width,
+        'height': dimensions.height,
+        'frameRate': encoding.maxFramerate,
+      };
+
+  // Comparable
+  // @override
+  // int compareTo(VideoParameters other) {
+  //   if (this.dimensions.area() == other.dimensions.area()) {
+  //     return encoding.compare
+  //   }
+  // }
+}
+
+extension VideoParametersPresets on VideoParameters {
+  // all 16:9 presets
+  static final List<VideoParameters> all169 = [
+    h90_169,
+    h180_169,
+    h216_169,
+    h360_169,
+    h540_169,
+    h720_169,
+    h1080_169,
+    h1440_169,
+    h2160_169,
+  ];
+
+  // all 4:3 presets
+  static final List<VideoParameters> all43 = [
+    h120_43,
+    h180_43,
+    h240_43,
+    h360_43,
+    h480_43,
+    h540_43,
+    h720_43,
+    h1080_43,
+    h1440_43,
+  ];
+
+  // all screen share presets
+  static final List<VideoParameters> allScreenShare = [
+    screenShareH360FPS3,
+    screenShareH720FPS5,
+    screenShareH720FPS15,
+    screenShareH1080FPS15,
+    screenShareH1080FPS30,
+  ];
+
+  // 16:9 Presets
+  static const h90_169 = VideoParameters(
+    dimensions: VideoDimensionsPresets.h90_169,
+    encoding: VideoEncoding(
+      maxBitrate: 60 * 1000,
+      maxFramerate: 15,
+    ),
+  );
+  static const h180_169 = VideoParameters(
+    dimensions: VideoDimensionsPresets.h180_169,
+    encoding: VideoEncoding(
+      maxBitrate: 120 * 1000,
+      maxFramerate: 15,
+    ),
+  );
+
+  static const h216_169 = VideoParameters(
+    dimensions: VideoDimensionsPresets.h216_169,
+    encoding: VideoEncoding(
+      maxBitrate: 180 * 1000,
+      maxFramerate: 15,
+    ),
+  );
+
+  static const h360_169 = VideoParameters(
+    dimensions: VideoDimensionsPresets.h360_169,
+    encoding: VideoEncoding(
+      maxBitrate: 300 * 1000,
+      maxFramerate: 20,
+    ),
+  );
+
+  static const h540_169 = VideoParameters(
+    dimensions: VideoDimensionsPresets.h540_169,
+    encoding: VideoEncoding(
+      maxBitrate: 600 * 1000,
+      maxFramerate: 25,
+    ),
+  );
+
+  static const h720_169 = VideoParameters(
+    dimensions: VideoDimensionsPresets.h720_169,
+    encoding: VideoEncoding(
+      maxBitrate: 2 * 1000 * 1000,
+      maxFramerate: 30,
+    ),
+  );
+
+  static const h1080_169 = VideoParameters(
+    dimensions: VideoDimensionsPresets.h1080_169,
+    encoding: VideoEncoding(
+      maxBitrate: 3 * 1000 * 1000,
+      maxFramerate: 30,
+    ),
+  );
+
+  static const h1440_169 = VideoParameters(
+    dimensions: VideoDimensionsPresets.h1440_169,
+    encoding: VideoEncoding(
+      maxBitrate: 5 * 1000 * 1000,
+      maxFramerate: 30,
+    ),
+  );
+
+  static const h2160_169 = VideoParameters(
+    dimensions: VideoDimensionsPresets.h2160_169,
+    encoding: VideoEncoding(
+      maxBitrate: 8 * 1000 * 1000,
+      maxFramerate: 30,
+    ),
+  );
+
+  // 4:3 presets
+  static const h120_43 = VideoParameters(
+    dimensions: VideoDimensionsPresets.h120_43,
+    encoding: VideoEncoding(
+      maxBitrate: 80 * 1000,
+      maxFramerate: 15,
+    ),
+  );
+
+  static const h180_43 = VideoParameters(
+    dimensions: VideoDimensionsPresets.h180_43,
+    encoding: VideoEncoding(
+      maxBitrate: 100 * 1000,
+      maxFramerate: 15,
+    ),
+  );
+
+  static const h240_43 = VideoParameters(
+    dimensions: VideoDimensionsPresets.h240_43,
+    encoding: VideoEncoding(
+      maxBitrate: 150 * 1000,
+      maxFramerate: 15,
+    ),
+  );
+
+  static const h360_43 = VideoParameters(
+    dimensions: VideoDimensionsPresets.h360_43,
+    encoding: VideoEncoding(
+      maxBitrate: 225 * 1000,
+      maxFramerate: 20,
+    ),
+  );
+
+  static const h480_43 = VideoParameters(
+    dimensions: VideoDimensionsPresets.h480_43,
+    encoding: VideoEncoding(
+      maxBitrate: 300 * 1000,
+      maxFramerate: 20,
+    ),
+  );
+
+  static const h540_43 = VideoParameters(
+    dimensions: VideoDimensionsPresets.h540_43,
+    encoding: VideoEncoding(
+      maxBitrate: 450 * 1000,
+      maxFramerate: 25,
+    ),
+  );
+
+  static const h720_43 = VideoParameters(
+    dimensions: VideoDimensionsPresets.h720_43,
+    encoding: VideoEncoding(
+      maxBitrate: 1 * 500 * 1000,
+      maxFramerate: 30,
+    ),
+  );
+
+  static const h1080_43 = VideoParameters(
+    dimensions: VideoDimensionsPresets.h1080_43,
+    encoding: VideoEncoding(
+      maxBitrate: 2 * 500 * 1000,
+      maxFramerate: 30,
+    ),
+  );
+
+  static const h1440_43 = VideoParameters(
+    dimensions: VideoDimensionsPresets.h1440_43,
+    encoding: VideoEncoding(
+      maxBitrate: 3 * 500 * 1000,
+      maxFramerate: 30,
+    ),
+  );
+
+  // Screen share
+  static const screenShareH360FPS3 = VideoParameters(
+    dimensions: VideoDimensionsPresets.h360_169,
+    encoding: VideoEncoding(
+      maxBitrate: 200 * 1000,
+      maxFramerate: 3,
+    ),
+  );
+
+  static const screenShareH720FPS5 = VideoParameters(
+    dimensions: VideoDimensionsPresets.h720_169,
+    encoding: VideoEncoding(
+      maxBitrate: 400 * 1000,
+      maxFramerate: 5,
+    ),
+  );
+
+  static const screenShareH720FPS15 = VideoParameters(
+    dimensions: VideoDimensionsPresets.h720_169,
+    encoding: VideoEncoding(
+      maxBitrate: 1 * 1000 * 1000,
+      maxFramerate: 15,
+    ),
+  );
+
+  static const screenShareH1080FPS15 = VideoParameters(
+    dimensions: VideoDimensionsPresets.h1080_169,
+    encoding: VideoEncoding(
+      maxBitrate: 1 * 500 * 1000,
+      maxFramerate: 15,
+    ),
+  );
+
+  static const screenShareH1080FPS30 = VideoParameters(
+    dimensions: VideoDimensionsPresets.h1080_169,
+    encoding: VideoEncoding(
+      maxBitrate: 3 * 1000 * 1000,
+      maxFramerate: 30,
+    ),
+  );
+}

lib/src/utils.dart

@@ -1,8 +1,9 @@
 import 'dart:async';
 
+import 'package:flutter/foundation.dart';
+
 import 'package:collection/collection.dart';
 import 'package:device_info_plus/device_info_plus.dart';
-import 'package:flutter/foundation.dart';
 import 'package:flutter_webrtc/flutter_webrtc.dart' as rtc;
 import 'package:meta/meta.dart';
 
@@ -14,7 +15,10 @@ import 'logger.dart';
 import 'options.dart';
 import 'support/platform.dart';
 import 'track/options.dart';
-import 'types.dart';
+import 'types/other.dart';
+import 'types/video_dimensions.dart';
+import 'types/video_encoding.dart';
+import 'types/video_parameters.dart';
 
 extension UriExt on Uri {
   @internal
@@ -189,15 +193,15 @@ class Utils {
     required bool isScreenShare,
     required VideoDimensions dimensions,
   }) {
-    if (isScreenShare) return VideoParameters.presetsScreenShare;
+    if (isScreenShare) return VideoParametersPresets.allScreenShare;
 
     final double aspect = dimensions.width > dimensions.height
         ? dimensions.width / dimensions.height
         : dimensions.height / dimensions.width;
     if ((aspect - 16.0 / 9.0).abs() < (aspect - 4.0 / 3.0).abs()) {
-      return VideoParameters.presets169;
+      return VideoParametersPresets.all169;
     }
-    return VideoParameters.presets43;
+    return VideoParametersPresets.all43;
   }
 
   static VideoEncoding _findAppropriateEncoding({

lib/src/widget/video_track_renderer.dart

@@ -1,4 +1,5 @@
 import 'package:flutter/material.dart';
+
 import 'package:flutter_webrtc/flutter_webrtc.dart' as rtc;
 
 import '../events.dart';