feat: audio normalization

Closes #182

Signed-off-by: bggRGjQaUbCoE <githubaccount56556@proton.me>

lib/models/common/audio_normalization.dart

@@ -0,0 +1,12 @@
+enum AudioNormalization { disable, dynaudnorm, loudnorm, custom }
+
+extension AudioNormalizationExt on AudioNormalization {
+  String get title => ['禁用', '预设 dynaudnorm', '预设 loudnorm', '自定义参数'][index];
+  String get param => [
+        '',
+        // ref https://github.com/KRTirtho/spotube/commit/da10ab2e291d4ba4d3082b9a6ae535639fb8f1b7
+        'dynaudnorm=g=5:f=250:r=0.9:p=0.5',
+        'loudnorm=I=-16:LRA=11:TP=-1.5',
+        '',
+      ][index];
+}

lib/pages/setting/widgets/model.dart

@@ -4,6 +4,7 @@ import 'dart:math';
 import 'package:PiliPlus/common/widgets/refresh_indicator.dart'
     show kDragContainerExtentPercentage, displacement;
 import 'package:PiliPlus/http/interceptor_anonymity.dart';
+import 'package:PiliPlus/models/common/audio_normalization.dart';
 import 'package:PiliPlus/models/common/dynamic_badge_mode.dart';
 import 'package:PiliPlus/models/common/dynamics_type.dart';
 import 'package:PiliPlus/models/common/nav_bar_config.dart';
@@ -1776,6 +1777,89 @@ List<SettingsModel> get extraSettings => [
           } catch (_) {}
         },
       ),
+      SettingsModel(
+        settingsType: SettingsType.normal,
+        title: '音量均衡',
+        setKey: SettingBoxKey.audioNormalization,
+        leading: const Icon(Icons.multitrack_audio),
+        getSubtitle: () {
+          String audioNormalization = GStorage.audioNormalization;
+          audioNormalization = switch (audioNormalization) {
+            '0' => AudioNormalization.disable.title,
+            '1' => AudioNormalization.dynaudnorm.title,
+            '2' => AudioNormalization.loudnorm.title,
+            _ => audioNormalization,
+          };
+          return '当前:「$audioNormalization」';
+        },
+        onTap: (setState) async {
+          String? result = await showDialog(
+            context: Get.context!,
+            builder: (context) {
+              String audioNormalization = GStorage.audioNormalization;
+              Set<String> values = {'0', '1', '2', audioNormalization, '3'};
+              return SelectDialog<String>(
+                  title: '音量均衡',
+                  value: audioNormalization,
+                  values: values.map((e) {
+                    return {
+                      'title': switch (e) {
+                        '0' => AudioNormalization.disable.title,
+                        '1' => AudioNormalization.dynaudnorm.title,
+                        '2' => AudioNormalization.loudnorm.title,
+                        '3' => AudioNormalization.custom.title,
+                        _ => e,
+                      },
+                      'value': e,
+                    };
+                  }).toList());
+            },
+          );
+          if (result != null) {
+            if (result == '3') {
+              String param = '';
+              showDialog(
+                  context: Get.context!,
+                  builder: (context) {
+                    return AlertDialog(
+                      title: const Text(
+                        '自定义参数',
+                        style: TextStyle(fontSize: 18),
+                      ),
+                      content: TextField(
+                        autofocus: true,
+                        onChanged: (value) => param = value,
+                      ),
+                      actions: [
+                        TextButton(
+                          onPressed: Get.back,
+                          child: Text(
+                            '取消',
+                            style: TextStyle(
+                              color: Theme.of(context).colorScheme.outline,
+                            ),
+                          ),
+                        ),
+                        TextButton(
+                          onPressed: () async {
+                            Get.back();
+                            await GStorage.setting
+                                .put(SettingBoxKey.audioNormalization, param);
+                            setState();
+                          },
+                          child: Text('确定'),
+                        ),
+                      ],
+                    );
+                  });
+            } else {
+              await GStorage.setting
+                  .put(SettingBoxKey.audioNormalization, result);
+              setState();
+            }
+          }
+        },
+      ),
       SettingsModel(
         settingsType: SettingsType.sw1tch,
         enableFeedback: true,

lib/plugin/pl_player/controller.dart

@@ -3,6 +3,7 @@ import 'dart:io';
 import 'dart:typed_data';
 
 import 'package:PiliPlus/common/widgets/segment_progress_bar.dart';
+import 'package:PiliPlus/models/common/audio_normalization.dart';
 import 'package:PiliPlus/utils/extension.dart';
 import 'package:PiliPlus/utils/utils.dart';
 import 'package:canvas_danmaku/canvas_danmaku.dart';
@@ -572,7 +573,19 @@ class PlPlayerController {
         );
     var pp = player.platform as NativePlayer;
     // 解除倍速限制
-    await pp.setProperty("af", "scaletempo2=max-speed=8");
+    if (_videoPlayerController == null) {
+      String audioNormalization = GStorage.audioNormalization;
+      audioNormalization = switch (audioNormalization) {
+        '0' => '',
+        '1' => ',${AudioNormalization.dynaudnorm.param}',
+        '2' => ',${AudioNormalization.loudnorm.param}',
+        _ => ',$audioNormalization',
+      };
+      await pp.setProperty(
+        "af",
+        "scaletempo2=max-speed=8$audioNormalization",
+      );
+    }
     //  音量不一致
     if (Platform.isAndroid) {
       await pp.setProperty("volume-max", "100");
@@ -834,7 +847,8 @@ class PlPlayerController {
           SmartDialog.showToast('无法加载解码器, $event，可能会切换至软解');
           return;
         }
-        SmartDialog.showToast('视频加载错误, $event');
+        // SmartDialog.showToast('视频加载错误, $event');
+        debugPrint('视频加载错误, $event');
       }),
       // videoPlayerController!.stream.volume.listen((event) {
       //   if (!mute.value && _volumeBeforeMute != event) {

lib/utils/storage.dart

@@ -345,6 +345,9 @@ class GStorage {
   static bool get showHotRcmd =>
       GStorage.setting.get(SettingBoxKey.showHotRcmd, defaultValue: false);
 
+  static String get audioNormalization =>
+      GStorage.setting.get(SettingBoxKey.audioNormalization, defaultValue: '0');
+
   static List<double> get dynamicDetailRatio => List<double>.from(setting
       .get(SettingBoxKey.dynamicDetailRatio, defaultValue: [60.0, 40.0]));
 
@@ -566,6 +569,7 @@ class SettingBoxKey {
       showVipDanmaku = 'showVipDanmaku',
       mergeDanmaku = 'mergeDanmaku',
       showHotRcmd = 'showHotRcmd',
+      audioNormalization = 'audioNormalization',
 
       // Sponsor Block
       enableSponsorBlock = 'enableSponsorBlock',