feat: 直播画质切换

Closes #146

Co-authored-by: bggRGjQaUbCoE <githubaccount56556@proton.me>

lib/models/live/quality.dart

@@ -0,0 +1,43 @@
+enum LiveQuality {
+  dolby,
+  super4K,
+  origin,
+  veryHigh,
+  bluRay,
+  superHD,
+  smooth,
+  flunt,
+}
+
+extension LiveQualityCode on LiveQuality {
+  static final List<int> _codeList = [
+    30000,
+    20000,
+    10000,
+    400,
+    250,
+    150,
+    80,
+  ];
+  int get code => _codeList[index];
+
+  static LiveQuality? fromCode(int code) {
+    final index = _codeList.indexOf(code);
+    if (index != -1) {
+      return LiveQuality.values[index];
+    }
+    return null;
+  }
+}
+
+extension VideoQualityDesc on LiveQuality {
+  static final List<String> _descList = [
+    '杜比',
+    '4K',
+    '原画',
+    '蓝光',
+    '超清',
+    '流畅',
+  ];
+  get description => _descList[index];
+}

lib/pages/live_room/controller.dart

@@ -1,6 +1,7 @@
 import 'dart:convert';
 
 import 'package:PiliPlus/models/live/danmu_info.dart';
+import 'package:PiliPlus/models/live/quality.dart';
 import 'package:PiliPlus/tcp/live.dart';
 import 'package:PiliPlus/utils/danmaku.dart';
 import 'package:PiliPlus/utils/storage.dart';
@@ -31,6 +32,10 @@ class LiveRoomController extends GetxController {
   DanmakuController? controller;
   bool showDanmaku = true;
 
+  late int currentQn = 10000;
+  late List<Map> acceptQnList = <Map>[];
+  RxString currentQnDesc = ''.obs;
+
   @override
   void onInit() {
     super.onInit();
@@ -58,12 +63,26 @@ class LiveRoomController extends GetxController {
   bool? isPortrait;
 
   Future queryLiveInfo() async {
-    var res = await LiveHttp.liveRoomInfo(roomId: roomId, qn: 10000);
+    var res = await LiveHttp.liveRoomInfo(roomId: roomId, qn: currentQn);
     if (res['status']) {
       isPortrait = res['data'].isPortrait;
       List<CodecItem> codec =
           res['data'].playurlInfo.playurl.stream.first.format.first.codec;
       CodecItem item = codec.first;
+      // 以服务端返回的码率为准
+      currentQn = item.currentQn!;
+      List acceptQn = item.acceptQn!;
+      acceptQnList = acceptQn.map((e) {
+        return {
+          'code': e,
+          'desc': LiveQuality.values
+              .firstWhere((element) => element.code == e)
+              .description,
+        };
+      }).toList();
+      currentQnDesc.value = LiveQuality.values
+          .firstWhere((element) => element.code == currentQn)
+          .description;
       String videoUrl = VideoUtils.getCdnUrl(item);
       await playerInit(videoUrl);
       return res;
@@ -183,4 +202,16 @@ class LiveRoomController extends GetxController {
     scrollController.dispose();
     super.onClose();
   }
+
+  // 修改画质
+  void changeQn(int qn) async {
+    if (currentQn == qn) {
+      return;
+    }
+    currentQn = qn;
+    currentQnDesc.value = LiveQuality.values
+        .firstWhere((element) => element.code == currentQn)
+        .description;
+    await queryLiveInfo();
+  }
 }

lib/pages/live_room/widgets/bottom_control.dart

@@ -5,14 +5,15 @@ import 'package:flutter/material.dart';
 import 'package:PiliPlus/models/video/play/url.dart';
 import 'package:PiliPlus/pages/live_room/index.dart';
 import 'package:PiliPlus/plugin/pl_player/index.dart';
+import 'package:get/get.dart';
 
 class BottomControl extends StatefulWidget implements PreferredSizeWidget {
-  final PlPlayerController? controller;
+  final PlPlayerController controller;
-  final LiveRoomController? liveRoomCtr;
+  final LiveRoomController liveRoomCtr;
   final Floating? floating;
   const BottomControl({
-    this.controller,
+    required this.controller,
-    this.liveRoomCtr,
+    required this.liveRoomCtr,
     this.floating,
     super.key,
   });
@@ -87,7 +88,7 @@ class _BottomControlState extends State<BottomControl> {
                 ),
                 onPressed: () async {
                   bool canUsePiP = false;
-                  widget.controller!.hiddenControls(false);
+                  widget.controller.hiddenControls(false);
                   try {
                     canUsePiP = await widget.floating!.isPipAvailable;
                   } catch (_) {}
@@ -104,6 +105,31 @@ class _BottomControlState extends State<BottomControl> {
             ),
             const SizedBox(width: 4),
           ],
+          SizedBox(
+            width: 30,
+            child: PopupMenuButton<int>(
+              padding: EdgeInsets.zero,
+              initialValue: widget.liveRoomCtr.currentQn,
+              onSelected: (value) {
+                widget.liveRoomCtr.changeQn(value);
+              },
+              child: Obx(
+                () => Text(
+                  widget.liveRoomCtr.currentQnDesc.value,
+                  style: const TextStyle(color: Colors.white, fontSize: 13),
+                ),
+              ),
+              itemBuilder: (BuildContext context) {
+                return widget.liveRoomCtr.acceptQnList.map((e) {
+                  return PopupMenuItem<int>(
+                    value: e['code'],
+                    child: Text(e['desc']),
+                  );
+                }).toList();
+              },
+            ),
+          ),
+          const SizedBox(width: 10),
           ComBtn(
             icon: const Icon(
               Icons.fullscreen,
@@ -111,8 +137,8 @@ class _BottomControlState extends State<BottomControl> {
               size: 20,
               color: Colors.white,
             ),
-            fuc: () => widget.controller!.triggerFullScreen(
+            fuc: () => widget.controller.triggerFullScreen(
-                status: !widget.controller!.isFullScreen.value),
+                status: !widget.controller.isFullScreen.value),
           ),
         ],
       ),