⚡️ 视频支持倍速播放

lib/controller/app/video_controller.dart

@@ -0,0 +1,143 @@
+// Flutter imports:
+import 'package:flutter/material.dart' as material;
+
+// Package imports:
+import 'package:fluent_ui/fluent_ui.dart';
+import 'package:media_kit_video/media_kit_video.dart';
+import 'package:pasteboard/pasteboard.dart';
+
+// Project imports:
+import '../../components/app/app_infobar.dart';
+import '../../tools/file_tool.dart';
+
+class BtcVideo extends StatefulWidget {
+  /// controller
+  final VideoController controller;
+
+  /// 构造函数
+  const BtcVideo(this.controller, {super.key});
+
+  @override
+  State<BtcVideo> createState() => _BtcVideoState();
+}
+
+class _BtcVideoState extends State<BtcVideo>
+    with material.AutomaticKeepAliveClientMixin {
+  /// 控制器
+  VideoController get controller => widget.controller;
+
+  /// fileTool
+  final BTFileTool fileTool = BTFileTool();
+
+  /// 当前播放速度
+  double speed = 1.0;
+
+  /// 速度的flyout
+  final FlyoutController speedFlyout = FlyoutController();
+
+  @override
+  bool get wantKeepAlive => true;
+
+  @override
+  void dispose() {
+    speedFlyout.dispose();
+    super.dispose();
+  }
+
+  /// 根据速度获取对应文本
+  String getSpeedLabel(double val) {
+    if (val == 2.0) return '2.0倍速';
+    if (val == 1.5) return '1.5倍速';
+    if (val == 1.25) return '1.25倍速';
+    if (val == 1.0) return '1.0倍速';
+    return '${val.toStringAsFixed(2)}倍速';
+  }
+
+  /// 显示速度flyout
+  void showSpeedFlyout() {
+    speedFlyout.showFlyout(
+      barrierDismissible: true,
+      dismissOnPointerMoveAway: true,
+      dismissWithEsc: true,
+      builder: (context) {
+        return MenuFlyout(items: [
+          buildSpeedButton(2.0),
+          buildSpeedButton(1.5),
+          buildSpeedButton(1.25),
+          buildSpeedButton(1.0),
+        ]);
+      },
+    );
+  }
+
+  /// 构建速度按钮
+  MenuFlyoutItem buildSpeedButton(double value) {
+    return MenuFlyoutItem(
+      leading: value == speed ? const Icon(material.Icons.check) : null,
+      text: Text(getSpeedLabel(value)),
+      onPressed: () async {
+        speed = value;
+        setState(() {});
+        await controller.player.setRate(value);
+      },
+    );
+  }
+
+  /// 控制栏的数据构建
+  MaterialDesktopVideoControlsThemeData buildControls() {
+    var base = FluentTheme.of(context).accentColor;
+    return MaterialDesktopVideoControlsThemeData(
+      seekBarThumbColor: base.lighter,
+      seekBarPositionColor: base.darker,
+      bottomButtonBar: [
+        const MaterialDesktopPlayOrPauseButton(),
+        const MaterialDesktopPositionIndicator(),
+        const MaterialDesktopVolumeButton(),
+        const Spacer(),
+        IconButton(
+          onPressed: () async {
+            await controller.player.pause();
+            var res = await controller.player.screenshot();
+            if (res == null) {
+              if (mounted) await BtInfobar.error(context, '截图失败');
+              await controller.player.play();
+              return;
+            }
+            var ts = DateTime.now().millisecondsSinceEpoch ~/ 1000;
+            var imagePath = await fileTool.writeTempImage(res, ts.toString());
+            // 提前写个空白文件，以防粘贴把之前的文本带上
+            // todo 详见 https://github.com/MixinNetwork/flutter-plugins/issues/335
+            Pasteboard.writeText('');
+            var check = await Pasteboard.writeFiles([imagePath]);
+            if (!check) {
+              if (mounted) await BtInfobar.error(context, '截图失败');
+              await controller.player.play();
+              return;
+            }
+            if (mounted) await BtInfobar.success(context, '截图已复制到剪贴板');
+            await controller.player.play();
+          },
+          icon: const Icon(FluentIcons.camera, size: 24),
+        ),
+        FlyoutTarget(
+          controller: speedFlyout,
+          child: IconButton(
+            icon: const Icon(material.Icons.fast_forward, size: 24),
+            onPressed: showSpeedFlyout,
+          ),
+        ),
+        const MaterialDesktopFullscreenButton(),
+      ],
+    );
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    super.build(context);
+    return MaterialDesktopVideoControlsTheme(
+      normal: buildControls(),
+      fullscreen: buildControls(),
+      child: material.Scaffold(body: Video(controller: controller)),
+    );
+  }
+}

lib/pages/app/play_page.dart

@@ -5,6 +5,7 @@ import 'package:media_kit/media_kit.dart';
 import 'package:media_kit_video/media_kit_video.dart';
 
 // Project imports:
+import '../../controller/app/video_controller.dart';
 import '../../store/nav_store.dart';
 import '../../store/play_store.dart';
 
@@ -141,7 +142,7 @@ class _PlayPageState extends ConsumerState<PlayPage>
           mainAxisAlignment: MainAxisAlignment.center,
           crossAxisAlignment: CrossAxisAlignment.start,
           children: [
-            Expanded(child: Video(controller: controller)),
+            Expanded(child: BtcVideo(controller)),
             const SizedBox(width: 8),
             buildList(),
           ],

lib/tools/file_tool.dart

@@ -1,5 +1,6 @@
 // Dart imports:
 import 'dart:io';
+import 'dart:typed_data';
 
 // Package imports:
 import 'package:path/path.dart' as path;
@@ -90,4 +91,13 @@ class BTFileTool {
     await Process.run('explorer', [dirPath]);
     return true;
   }
+
+  /// 将unit8list写入文件并返回文件路径
+  Future<String> writeTempImage(Uint8List data, String name) async {
+    var dir = path.join(await getAppDataDir(), 'screenshots');
+    await createDir(dir);
+    var file = File(path.join(dir, '$name.jpeg'));
+    await file.writeAsBytes(data);
+    return file.path;
+  }
 }

macos/Flutter/GeneratedPluginRegistrant.swift

@@ -14,6 +14,7 @@ import macos_window_utils
 import media_kit_libs_macos_video
 import media_kit_video
 import package_info_plus
+import pasteboard
 import path_provider_foundation
 import screen_brightness_macos
 import screen_retriever
@@ -33,6 +34,7 @@ func RegisterGeneratedPlugins(registry: FlutterPluginRegistry) {
   MediaKitLibsMacosVideoPlugin.register(with: registry.registrar(forPlugin: "MediaKitLibsMacosVideoPlugin"))
   MediaKitVideoPlugin.register(with: registry.registrar(forPlugin: "MediaKitVideoPlugin"))
   FPPPackageInfoPlusPlugin.register(with: registry.registrar(forPlugin: "FPPPackageInfoPlusPlugin"))
+  PasteboardPlugin.register(with: registry.registrar(forPlugin: "PasteboardPlugin"))
   PathProviderPlugin.register(with: registry.registrar(forPlugin: "PathProviderPlugin"))
   ScreenBrightnessMacosPlugin.register(with: registry.registrar(forPlugin: "ScreenBrightnessMacosPlugin"))
   ScreenRetrieverPlugin.register(with: registry.registrar(forPlugin: "ScreenRetrieverPlugin"))

pubspec.lock

@@ -936,6 +936,14 @@ packages:
       url: "https://pub.flutter-io.cn"
     source: hosted
     version: "3.0.0"
+  pasteboard:
+    dependency: "direct main"
+    description:
+      name: pasteboard
+      sha256: "1c8b6a8b3f1d12e55d4e9404433cda1b4abe66db6b17bc2d2fb5965772c04674"
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "0.2.0"
   path:
     dependency: "direct main"
     description:

pubspec.yaml

@@ -57,9 +57,10 @@ dependencies:
   local_notifier: ^0.1.6
   logger: ^2.2.0
   media_kit: ^1.1.10+1
-  media_kit_video: ^1.2.4
   media_kit_libs_video: ^1.0.4
+  media_kit_video: ^1.2.4
   package_info_plus: ^7.0.0
+  pasteboard: ^0.2.0
   path: ^1.9.0
   path_provider: ^2.1.3
   provider: ^6.1.2

windows/flutter/generated_plugin_registrant.cc

@@ -13,6 +13,7 @@
 #include <local_notifier/local_notifier_plugin.h>
 #include <media_kit_libs_windows_video/media_kit_libs_windows_video_plugin_c_api.h>
 #include <media_kit_video/media_kit_video_plugin_c_api.h>
+#include <pasteboard/pasteboard_plugin.h>
 #include <screen_brightness_windows/screen_brightness_windows_plugin.h>
 #include <screen_retriever/screen_retriever_plugin.h>
 #include <system_theme/system_theme_plugin.h>
@@ -35,6 +36,8 @@ void RegisterPlugins(flutter::PluginRegistry* registry) {
       registry->GetRegistrarForPlugin("MediaKitLibsWindowsVideoPluginCApi"));
   MediaKitVideoPluginCApiRegisterWithRegistrar(
       registry->GetRegistrarForPlugin("MediaKitVideoPluginCApi"));
+  PasteboardPluginRegisterWithRegistrar(
+      registry->GetRegistrarForPlugin("PasteboardPlugin"));
   ScreenBrightnessWindowsPluginRegisterWithRegistrar(
       registry->GetRegistrarForPlugin("ScreenBrightnessWindowsPlugin"));
   ScreenRetrieverPluginRegisterWithRegistrar(

windows/flutter/generated_plugins.cmake

@@ -10,6 +10,7 @@ list(APPEND FLUTTER_PLUGIN_LIST
   local_notifier
   media_kit_libs_windows_video
   media_kit_video
+  pasteboard
   screen_brightness_windows
   screen_retriever
   system_theme