Fix fetching quality from itag (Removed entirely).

lib/src/reverse_engineering/clients/embedded_player_client.dart

@@ -37,10 +37,7 @@ class EmbeddedPlayerClient {
       const [];
 
   ///
-  late final Iterable<_StreamInfo> streams = [
-    ...muxedStreams,
-    ...adaptiveStreams
-  ];
+  late final List<_StreamInfo> streams = [...muxedStreams, ...adaptiveStreams];
 
   ///
   EmbeddedPlayerClient(this.root);
@@ -56,8 +53,9 @@ class EmbeddedPlayerClient {
       'context': const {
         'client': {
           'hl': 'en',
-          'clientName': 'ANDROID_EMBEDDED_PLAYER',
-          'clientVersion': '16.05'
+          'clientName': 'WEB',
+          'clientVersion': '2.20210721.00.00',
+          "clientScreen": "EMBED"
         }
       },
       'videoId': videoId
@@ -121,7 +119,8 @@ class _StreamInfo extends StreamInfoProvider {
   late final bool isAudioOnly = mimeType.type == 'audio';
 
   @override
-  late final String? videoQualityLabel = root['quality_label'];
+  late final String videoQualityLabel =
+      root['qualityLabel'] ?? root['quality_label'];
 
   @override
   late final int? videoWidth = root['width'];

lib/src/reverse_engineering/dash_manifest.dart

@@ -89,4 +89,8 @@ class _StreamInfo extends StreamInfoProvider {
 
   @override
   late final int framerate = int.parse(root.getAttribute('framerate')!);
+
+  // TODO: Implement this
+  @override
+  late final String? videoQualityLabel = null;
 }

lib/src/reverse_engineering/heuristics.dart

@@ -2,93 +2,6 @@ import '../extensions/helpers_extension.dart';
 import '../videos/streams/video_quality.dart';
 import '../videos/streams/video_resolution.dart';
 
-const _qualityMap = <int, VideoQuality>{
-  5: VideoQuality.low144,
-  6: VideoQuality.low240,
-  13: VideoQuality.low144,
-  17: VideoQuality.low144,
-  18: VideoQuality.medium360,
-  22: VideoQuality.high720,
-  34: VideoQuality.medium360,
-  35: VideoQuality.medium480,
-  36: VideoQuality.low240,
-  37: VideoQuality.high1080,
-  38: VideoQuality.high3072,
-  43: VideoQuality.medium360,
-  44: VideoQuality.medium480,
-  45: VideoQuality.high720,
-  46: VideoQuality.high1080,
-  59: VideoQuality.medium480,
-  78: VideoQuality.medium480,
-  82: VideoQuality.medium360,
-  83: VideoQuality.medium480,
-  84: VideoQuality.high720,
-  85: VideoQuality.high1080,
-  91: VideoQuality.low144,
-  92: VideoQuality.low240,
-  93: VideoQuality.medium360,
-  94: VideoQuality.medium480,
-  95: VideoQuality.high720,
-  96: VideoQuality.high1080,
-  100: VideoQuality.medium360,
-  101: VideoQuality.medium480,
-  102: VideoQuality.high720,
-  132: VideoQuality.low240,
-  151: VideoQuality.low144,
-  133: VideoQuality.low240,
-  134: VideoQuality.medium360,
-  135: VideoQuality.medium480,
-  136: VideoQuality.high720,
-  137: VideoQuality.high1080,
-  138: VideoQuality.high4320,
-  160: VideoQuality.low144,
-  212: VideoQuality.medium480,
-  213: VideoQuality.medium480,
-  214: VideoQuality.high720,
-  215: VideoQuality.high720,
-  216: VideoQuality.high1080,
-  217: VideoQuality.high1080,
-  264: VideoQuality.high1440,
-  266: VideoQuality.high2160,
-  298: VideoQuality.high720,
-  299: VideoQuality.high1080,
-  399: VideoQuality.high1080,
-  398: VideoQuality.high720,
-  397: VideoQuality.medium480,
-  396: VideoQuality.medium360,
-  395: VideoQuality.low240,
-  394: VideoQuality.low144,
-  167: VideoQuality.medium360,
-  168: VideoQuality.medium480,
-  169: VideoQuality.high720,
-  170: VideoQuality.high1080,
-  218: VideoQuality.medium480,
-  219: VideoQuality.medium480,
-  242: VideoQuality.low240,
-  243: VideoQuality.medium360,
-  244: VideoQuality.medium480,
-  245: VideoQuality.medium480,
-  246: VideoQuality.medium480,
-  247: VideoQuality.high720,
-  248: VideoQuality.high1080,
-  271: VideoQuality.high1440,
-  272: VideoQuality.high2160,
-  278: VideoQuality.low144,
-  302: VideoQuality.high720,
-  303: VideoQuality.high1080,
-  308: VideoQuality.high1440,
-  313: VideoQuality.high2160,
-  315: VideoQuality.high2160,
-  330: VideoQuality.low144,
-  331: VideoQuality.low240,
-  332: VideoQuality.medium360,
-  333: VideoQuality.medium480,
-  334: VideoQuality.high720,
-  335: VideoQuality.high1080,
-  336: VideoQuality.high1440,
-  337: VideoQuality.high2160,
-};
-
 const _resolutionMap = <VideoQuality, VideoResolution>{
   VideoQuality.low144: VideoResolution(256, 144),
   VideoQuality.low240: VideoResolution(426, 240),
@@ -105,19 +18,12 @@ const _resolutionMap = <VideoQuality, VideoResolution>{
 
 /// Utilities for [VideoQuality]
 extension VideoQualityUtil on VideoQuality {
-  /// Parses the itag as [VideoQuality]
-  /// Throws an [ArgumentError] if the itag matches no video quality.
-  static VideoQuality fromTag(int itag) {
-    var q = _qualityMap[itag];
-    if (q == null) {
-      throw ArgumentError.value(itag, 'itag', 'Unrecognized itag');
-    }
-    return q;
-  }
-
   /// Parses the label as [VideoQuality]
   /// Throws an [ArgumentError] if the string matches no video quality.
-  static VideoQuality fromLabel(String label) {
+  static VideoQuality fromLabel(String? label) {
+    if (label == null) {
+      return VideoQuality.unknown;
+    }
     label = label.toLowerCase();
 
     if (label.startsWith('144')) {
@@ -182,12 +88,6 @@ extension VideoQualityUtil on VideoQuality {
     return '${getLabel()}$framerateRounded';
   }
 
-  ///
-  static String getLabelFromTagWithFramerate(int itag, double framerate) {
-    var videoQuality = fromTag(itag);
-    return videoQuality.getLabelWithFramerate(framerate);
-  }
-
   /// Returns a [VideoResolution] from its [VideoQuality]
   VideoResolution toVideoResolution() {
     var r = _resolutionMap[this];

lib/src/reverse_engineering/models/stream_info_provider.dart

@@ -36,7 +36,7 @@ abstract class StreamInfoProvider {
   String? get videoCodec => null;
 
   ///
-  String? get videoQualityLabel => null;
+  String? get videoQualityLabel;
 
   ///
   int? get videoWidth => null;

lib/src/videos/streams/bitrate.dart

@@ -53,5 +53,6 @@ class Bitrate with Comparable<Bitrate>, _$Bitrate {
   }
 
   @override
-  String toString() => '${_getLargestValue()} ${_getLargestSymbol()}';
+  String toString() =>
+      '${_getLargestValue().toStringAsFixed(2)} ${_getLargestSymbol()}';
 }

lib/src/videos/streams/filesize.dart

@@ -53,5 +53,6 @@ class FileSize with Comparable<FileSize>, _$FileSize {
   }
 
   @override
-  String toString() => '${_getLargestValue()} ${_getLargestSymbol()}';
+  String toString() =>
+      '${_getLargestValue().toStringAsFixed(2)} ${_getLargestSymbol()}';
 }

lib/src/videos/streams/streams_client.dart

@@ -156,10 +156,6 @@ class StreamsClient {
           await _httpClient.getContentLength(url, validate: false) ??
           0;
 
-      // if (contentLength <= 0) {
-      //   continue;
-      // }
-
       // Common
       var container = StreamContainer.parse(streamInfo.container!);
       var fileSize = FileSize(contentLength);
@@ -171,9 +167,7 @@ class StreamsClient {
       // Muxed or Video-only
       if (!videoCodec.isNullOrWhiteSpace) {
         var framerate = Framerate(streamInfo.framerate ?? 24);
-        var videoQualityLabel = streamInfo.videoQualityLabel ??
-            VideoQualityUtil.getLabelFromTagWithFramerate(
-                tag, framerate.framesPerSecond.toDouble());
+        var videoQualityLabel = streamInfo.videoQualityLabel!;
 
         var videoQuality = VideoQualityUtil.fromLabel(videoQualityLabel);
 

lib/src/videos/streams/video_quality.dart

@@ -1,5 +1,9 @@
 /// Video quality.
 enum VideoQuality {
+  /// Unknown video quality.
+  /// (This should be reported to the project's repo.)
+  unknown,
+
   /// Low quality (144p).
   low144,