重构逐句视频播放器

messages/en-US.json

@@ -150,7 +150,43 @@
     "previous": "Previous",
     "next": "Next",
     "restart": "Restart",
-    "autoPause": "Auto Pause ({enabled})"
+    "autoPause": "Auto Pause ({enabled})",
+    "playbackSpeed": "Playback Speed",
+    "subtitleSettings": "Subtitle Settings",
+    "fontSize": "Font Size",
+    "backgroundColor": "Background Color",
+    "textColor": "Text Color",
+    "fontFamily": "Font Family",
+    "opacity": "Opacity",
+    "position": "Position",
+    "top": "Top",
+    "center": "Center",
+    "bottom": "Bottom",
+    "keyboardShortcuts": "Keyboard Shortcuts",
+    "uploadVideoAndSubtitle": "Please upload video and subtitle files",
+    "uploadVideoFile": "Please upload video file",
+    "uploadSubtitleFile": "Please upload subtitle file",
+    "processingSubtitle": "Processing subtitle file...",
+    "needBothFiles": "Both video and subtitle files are required to start learning",
+    "videoFile": "Video File",
+    "subtitleFile": "Subtitle File",
+    "uploaded": "Uploaded",
+    "notUploaded": "Not Uploaded",
+    "upload": "Upload",
+    "autoPauseStatus": "Auto Pause: {enabled}",
+    "on": "On",
+    "off": "Off",
+    "videoUploadFailed": "Video upload failed",
+    "subtitleUploadFailed": "Subtitle upload failed",
+    "subtitleLoadSuccess": "Subtitle file loaded successfully",
+    "subtitleLoadFailed": "Subtitle file loading failed",
+    "shortcuts": {
+      "playPause": "Play/Pause",
+      "next": "Next",
+      "previous": "Previous",
+      "restart": "Restart",
+      "autoPause": "Toggle Auto Pause"
+    }
   },
   "text_speaker": {
     "generateIPA": "Generate IPA",

messages/zh-CN.json

@@ -147,6 +147,7 @@
     "logout": "退出登录"
   },
   "srt_player": {
+    "upload": "上传",
     "uploadVideo": "上传视频",
     "uploadSubtitle": "上传字幕",
     "pause": "暂停",
@@ -154,7 +155,42 @@
     "previous": "上句",
     "next": "下句",
     "restart": "句首",
-    "autoPause": "自动暂停({enabled})"
+    "autoPause": "自动暂停({enabled})",
+    "playbackSpeed": "播放速度",
+    "subtitleSettings": "字幕设置",
+    "fontSize": "字体大小",
+    "backgroundColor": "背景颜色",
+    "textColor": "文字颜色",
+    "fontFamily": "字体",
+    "opacity": "透明度",
+    "position": "位置",
+    "top": "顶部",
+    "center": "居中",
+    "bottom": "底部",
+    "keyboardShortcuts": "键盘快捷键",
+    "uploadVideoAndSubtitle": "请上传视频和字幕文件",
+    "uploadVideoFile": "请上传视频文件",
+    "uploadSubtitleFile": "请上传字幕文件",
+    "processingSubtitle": "字幕文件正在处理中...",
+    "needBothFiles": "需要同时上传视频和字幕文件才能开始学习",
+    "videoFile": "视频文件",
+    "subtitleFile": "字幕文件",
+    "uploaded": "已上传",
+    "notUploaded": "未上传",
+    "autoPauseStatus": "自动暂停: {enabled}",
+    "on": "开",
+    "off": "关",
+    "videoUploadFailed": "视频上传失败",
+    "subtitleUploadFailed": "字幕上传失败",
+    "subtitleLoadSuccess": "字幕文件加载成功",
+    "subtitleLoadFailed": "字幕文件加载失败",
+    "shortcuts": {
+      "playPause": "播放/暂停",
+      "next": "下一句",
+      "previous": "上一句",
+      "restart": "句首",
+      "autoPause": "切换自动暂停"
+    }
   },
   "text_speaker": {
     "generateIPA": "生成IPA",

src/app/(features)/srt-player/components/atoms/FileInput.tsx

@@ -0,0 +1,45 @@
+"use client";
+
+import React, { useRef } from "react";
+import { FileInputProps } from "../../types/controls";
+
+interface FileInputComponentProps extends FileInputProps {
+  children: React.ReactNode;
+}
+
+export default function FileInput({ accept, onFileSelect, disabled, className, children }: FileInputComponentProps) {
+  const inputRef = useRef<HTMLInputElement>(null);
+
+  const handleClick = React.useCallback(() => {
+    if (!disabled && inputRef.current) {
+      inputRef.current.click();
+    }
+  }, [disabled]);
+
+  const handleChange = React.useCallback((event: React.ChangeEvent<HTMLInputElement>) => {
+    const file = event.target.files?.[0];
+    if (file) {
+      onFileSelect(file);
+    }
+  }, [onFileSelect]);
+
+  return (
+    <>
+      <input
+        ref={inputRef}
+        type="file"
+        accept={accept}
+        onChange={handleChange}
+        disabled={disabled}
+        className="hidden"
+      />
+      <button
+        onClick={handleClick}
+        disabled={disabled}
+        className={`px-2 py-1 rounded shadow font-bold hover:cursor-pointer hover:bg-gray-200 text-gray-800 bg-white ${disabled ? 'opacity-50 cursor-not-allowed' : ''} ${className || ''}`}
+      >
+        {children}
+      </button>
+    </>
+  );
+}

src/app/(features)/srt-player/components/atoms/PlayButton.tsx

@@ -0,0 +1,20 @@
+"use client";
+
+import React from "react";
+import { useTranslations } from "next-intl";
+import LightButton from "@/components/ui/buttons/LightButton";
+import { PlayButtonProps } from "../../types/player";
+
+export default function PlayButton({ isPlaying, onToggle, disabled, className }: PlayButtonProps) {
+  const t = useTranslations("srt_player");
+  
+  return (
+    <LightButton
+      onClick={disabled ? undefined : onToggle}
+      disabled={disabled}
+      className={`px-4 py-2 ${className || ''}`}
+    >
+      {isPlaying ? t("pause") : t("play")}
+    </LightButton>
+  );
+}

src/app/(features)/srt-player/components/atoms/SeekBar.tsx

@@ -0,0 +1,26 @@
+"use client";
+
+import React from "react";
+import { SeekBarProps } from "../../types/player";
+
+export default function SeekBar({ value, max, onChange, disabled, className }: SeekBarProps) {
+  const handleChange = React.useCallback((event: React.ChangeEvent<HTMLInputElement>) => {
+    const newValue = parseInt(event.target.value);
+    onChange(newValue);
+  }, [onChange]);
+
+  return (
+    <input
+      type="range"
+      min={0}
+      max={max}
+      value={value}
+      onChange={handleChange}
+      disabled={disabled}
+      className={`w-full h-2 bg-gray-200 rounded-lg appearance-none cursor-pointer ${disabled ? 'opacity-50 cursor-not-allowed' : ''} ${className || ''}`}
+      style={{
+        background: `linear-gradient(to right, #374151 0%, #374151 ${(value / max) * 100}%, #e5e7eb ${(value / max) * 100}%, #e5e7eb 100%)`
+      }}
+    />
+  );
+}

src/app/(features)/srt-player/components/atoms/SpeedControl.tsx

@@ -0,0 +1,25 @@
+"use client";
+
+import React from "react";
+import LightButton from "@/components/ui/buttons/LightButton";
+import { SpeedControlProps } from "../../types/player";
+import { getPlaybackRateOptions, getPlaybackRateLabel } from "../../utils/timeUtils";
+
+export default function SpeedControl({ playbackRate, onPlaybackRateChange, disabled, className }: SpeedControlProps) {
+  const speedOptions = getPlaybackRateOptions();
+  
+  const handleSpeedChange = React.useCallback(() => {
+    const currentIndex = speedOptions.indexOf(playbackRate);
+    const nextIndex = (currentIndex + 1) % speedOptions.length;
+    onPlaybackRateChange(speedOptions[nextIndex]);
+  }, [playbackRate, onPlaybackRateChange, speedOptions]);
+
+  return (
+    <LightButton
+      onClick={disabled ? undefined : handleSpeedChange}
+      className={`${disabled ? 'opacity-50 cursor-not-allowed' : ''} ${className || ''}`}
+    >
+      {getPlaybackRateLabel(playbackRate)}
+    </LightButton>
+  );
+}

src/app/(features)/srt-player/components/atoms/SubtitleText.tsx

@@ -0,0 +1,44 @@
+"use client";
+
+import React from "react";
+import { SubtitleTextProps } from "../../types/subtitle";
+
+export default function SubtitleText({ text, onWordClick, style, className }: SubtitleTextProps) {
+  const handleWordClick = React.useCallback((word: string) => {
+    onWordClick?.(word);
+  }, [onWordClick]);
+
+  // 将文本分割成单词，保持标点符号
+  const renderTextWithClickableWords = () => {
+    if (!text) return null;
+    
+    // 匹配单词和标点符号
+    const parts = text.match(/[\w']+|[^\w\s]+|\s+/g) || [];
+    
+    return parts.map((part, index) => {
+      // 如果是单词（字母和撇号组成）
+      if (/^[\w']+$/.test(part)) {
+        return (
+          <span
+            key={index}
+            onClick={() => handleWordClick(part)}
+            className="hover:bg-gray-700 hover:underline hover:cursor-pointer rounded px-1 transition-colors"
+          >
+            {part}
+          </span>
+        );
+      }
+      // 如果是空格或其他字符，直接渲染
+      return <span key={index}>{part}</span>;
+    });
+  };
+
+  return (
+    <div 
+      className={`overflow-auto h-16 mt-2 wrap-break-words font-sans text-white text-center text-2xl ${className || ''}`}
+      style={style}
+    >
+      {renderTextWithClickableWords()}
+    </div>
+  );
+}

src/app/(features)/srt-player/components/atoms/VideoElement.tsx

@@ -0,0 +1,49 @@
+"use client";
+
+import React, { forwardRef } from "react";
+import { VideoElementProps } from "../../types/player";
+
+const VideoElement = forwardRef<HTMLVideoElement, VideoElementProps>(
+  ({ src, onTimeUpdate, onLoadedMetadata, onPlay, onPause, onEnded, className }, ref) => {
+    const handleTimeUpdate = React.useCallback((event: React.SyntheticEvent<HTMLVideoElement>) => {
+      const video = event.currentTarget;
+      onTimeUpdate?.(video.currentTime);
+    }, [onTimeUpdate]);
+
+    const handleLoadedMetadata = React.useCallback((event: React.SyntheticEvent<HTMLVideoElement>) => {
+      const video = event.currentTarget;
+      onLoadedMetadata?.(video.duration);
+    }, [onLoadedMetadata]);
+
+    const handlePlay = React.useCallback((event: React.SyntheticEvent<HTMLVideoElement>) => {
+      onPlay?.();
+    }, [onPlay]);
+
+    const handlePause = React.useCallback((event: React.SyntheticEvent<HTMLVideoElement>) => {
+      onPause?.();
+    }, [onPause]);
+
+    const handleEnded = React.useCallback((event: React.SyntheticEvent<HTMLVideoElement>) => {
+      onEnded?.();
+    }, [onEnded]);
+
+    return (
+      <video
+        ref={ref}
+        src={src}
+        onTimeUpdate={handleTimeUpdate}
+        onLoadedMetadata={handleLoadedMetadata}
+        onPlay={handlePlay}
+        onPause={handlePause}
+        onEnded={handleEnded}
+        className={`bg-gray-200 w-full ${className || ""}`}
+        playsInline
+        controls={false}
+      />
+    );
+  }
+);
+
+VideoElement.displayName = "VideoElement";
+
+export default VideoElement;

src/app/(features)/srt-player/components/compounds/ControlBar.tsx

@@ -0,0 +1,77 @@
+"use client";
+
+import React from "react";
+import { useTranslations } from "next-intl";
+import { ChevronLeft, ChevronRight, RotateCcw, Pause } from "lucide-react";
+import DarkButton from "@/components/ui/buttons/DarkButton";
+import { ControlBarProps } from "../../types/controls";
+import PlayButton from "../atoms/PlayButton";
+import SpeedControl from "../atoms/SpeedControl";
+
+export default function ControlBar({
+  isPlaying,
+  onPlayPause,
+  onPrevious,
+  onNext,
+  onRestart,
+  playbackRate,
+  onPlaybackRateChange,
+  autoPause,
+  onAutoPauseToggle,
+  disabled,
+  className
+}: ControlBarProps) {
+  const t = useTranslations("srt_player");
+  
+  return (
+    <div className={`flex flex-wrap gap-2 justify-center ${className || ''}`}>
+      <PlayButton
+        isPlaying={isPlaying}
+        onToggle={onPlayPause}
+        disabled={disabled}
+      />
+      
+      <DarkButton
+        onClick={disabled ? undefined : onPrevious}
+        disabled={disabled}
+        className="flex items-center px-3 py-2"
+      >
+        <ChevronLeft className="w-4 h-4 mr-2" />
+        {t("previous")}
+      </DarkButton>
+      
+      <DarkButton
+        onClick={disabled ? undefined : onNext}
+        disabled={disabled}
+        className="flex items-center px-3 py-2"
+      >
+        {t("next")}
+        <ChevronRight className="w-4 h-4 ml-2" />
+      </DarkButton>
+      
+      <DarkButton
+        onClick={disabled ? undefined : onRestart}
+        disabled={disabled}
+        className="flex items-center px-3 py-2"
+      >
+        <RotateCcw className="w-4 h-4 mr-2" />
+        {t("restart")}
+      </DarkButton>
+      
+      <SpeedControl
+        playbackRate={playbackRate}
+        onPlaybackRateChange={onPlaybackRateChange}
+        disabled={disabled}
+      />
+      
+      <DarkButton
+        onClick={disabled ? undefined : onAutoPauseToggle}
+        disabled={disabled}
+        className="flex items-center px-3 py-2"
+      >
+        <Pause className="w-4 h-4 mr-2" />
+        {t("autoPause", { enabled: autoPause ? t("on") : t("off") })}
+      </DarkButton>
+    </div>
+  );
+}

src/app/(features)/srt-player/components/compounds/SubtitleArea.tsx

@@ -0,0 +1,37 @@
+"use client";
+
+import React from "react";
+import { SubtitleDisplayProps } from "../../types/subtitle";
+import SubtitleText from "../atoms/SubtitleText";
+
+export default function SubtitleArea({ subtitle, onWordClick, settings, className }: SubtitleDisplayProps) {
+  const handleWordClick = React.useCallback((word: string) => {
+    // 打开有道词典页面查询单词
+    window.open(
+      `https://www.youdao.com/result?word=${encodeURIComponent(word)}&lang=en`,
+      "_blank"
+    );
+    onWordClick?.(word);
+  }, [onWordClick]);
+
+  const subtitleStyle = React.useMemo(() => {
+    if (!settings) return { backgroundColor: 'rgba(0, 0, 0, 0.5)' };
+    
+    return {
+      backgroundColor: settings.backgroundColor,
+      color: settings.textColor,
+      fontSize: `${settings.fontSize}px`,
+      fontFamily: settings.fontFamily,
+      opacity: settings.opacity,
+    };
+  }, [settings]);
+
+  return (
+    <SubtitleText
+      text={subtitle}
+      onWordClick={handleWordClick}
+      style={subtitleStyle}
+      className={className}
+    />
+  );
+}

src/app/(features)/srt-player/components/compounds/UploadZone.tsx

@@ -0,0 +1,46 @@
+"use client";
+
+import React from "react";
+import { useTranslations } from "next-intl";
+import { toast } from "sonner";
+import { Video, FileText } from "lucide-react";
+import DarkButton from "@/components/ui/buttons/DarkButton";
+import { FileUploadProps } from "../../types/controls";
+import { useFileUpload } from "../../hooks/useFileUpload";
+
+export default function UploadZone({ onVideoUpload, onSubtitleUpload, className }: FileUploadProps) {
+  const t = useTranslations("srt_player");
+  const { uploadVideo, uploadSubtitle } = useFileUpload();
+
+  const handleVideoUpload = React.useCallback(() => {
+    uploadVideo(onVideoUpload, (error) => {
+      toast.error(t("videoUploadFailed") + ": " + error.message);
+    });
+  }, [uploadVideo, onVideoUpload, t]);
+
+  const handleSubtitleUpload = React.useCallback(() => {
+    uploadSubtitle(onSubtitleUpload, (error) => {
+      toast.error(t("subtitleUploadFailed") + ": " + error.message);
+    });
+  }, [uploadSubtitle, onSubtitleUpload, t]);
+
+  return (
+    <div className={`flex gap-3 ${className || ''}`}>
+      <DarkButton
+        onClick={handleVideoUpload}
+        className="flex-1 py-2 px-3 text-sm"
+      >
+        <Video className="w-4 h-4 mr-2" />
+        {t("uploadVideo")}
+      </DarkButton>
+      
+      <DarkButton
+        onClick={handleSubtitleUpload}
+        className="flex-1 py-2 px-3 text-sm"
+      >
+        <FileText className="w-4 h-4 mr-2" />
+        {t("uploadSubtitle")}
+      </DarkButton>
+    </div>
+  );
+}

src/app/(features)/srt-player/components/compounds/VideoPlayer.tsx

@@ -0,0 +1,41 @@
+"use client";
+
+import React, { forwardRef } from "react";
+import { VideoElementProps } from "../../types/player";
+import VideoElement from "../atoms/VideoElement";
+
+interface VideoPlayerComponentProps extends VideoElementProps {
+  children?: React.ReactNode;
+}
+
+const VideoPlayer = forwardRef<HTMLVideoElement, VideoPlayerComponentProps>(
+  ({
+    src,
+    onTimeUpdate,
+    onLoadedMetadata,
+    onPlay,
+    onPause,
+    onEnded,
+    className,
+    children
+  }, ref) => {
+    return (
+      <div className={`w-full flex flex-col ${className || ''}`}>
+        <VideoElement
+          ref={ref}
+          src={src}
+          onTimeUpdate={onTimeUpdate}
+          onLoadedMetadata={onLoadedMetadata}
+          onPlay={onPlay}
+          onPause={onPause}
+          onEnded={onEnded}
+        />
+        {children}
+      </div>
+    );
+  }
+);
+
+VideoPlayer.displayName = "VideoPlayer";
+
+export default VideoPlayer;

src/app/(features)/srt-player/hooks/useFileUpload.ts

@@ -0,0 +1,85 @@
+"use client";
+
+import { useCallback } from "react";
+
+export function useFileUpload() {
+  const uploadFile = useCallback((
+    file: File,
+    onSuccess: (url: string) => void,
+    onError?: (error: Error) => void
+  ) => {
+    try {
+      // 验证文件大小（限制为100MB）
+      const maxSize = 100 * 1024 * 1024; // 100MB
+      if (file.size > maxSize) {
+        throw new Error(`文件大小超过限制 (${(file.size / 1024 / 1024).toFixed(2)}MB > 100MB)`);
+      }
+      
+      const url = URL.createObjectURL(file);
+      onSuccess(url);
+    } catch (error) {
+      const errorMessage = error instanceof Error ? error.message : '文件上传失败';
+      onError?.(new Error(errorMessage));
+    }
+  }, []);
+
+  const uploadVideo = useCallback((
+    onVideoUpload: (url: string) => void,
+    onError?: (error: Error) => void
+  ) => {
+    const input = document.createElement('input');
+    input.type = 'file';
+    input.accept = 'video/*';
+    
+    input.onchange = (e) => {
+      const file = (e.target as HTMLInputElement).files?.[0];
+      if (file) {
+        // 验证文件类型
+        if (!file.type.startsWith('video/')) {
+          onError?.(new Error('请选择有效的视频文件'));
+          return;
+        }
+        uploadFile(file, onVideoUpload, onError);
+      }
+    };
+    
+    input.onerror = () => {
+      onError?.(new Error('文件选择失败'));
+    };
+    
+    input.click();
+  }, [uploadFile]);
+
+  const uploadSubtitle = useCallback((
+    onSubtitleUpload: (url: string) => void,
+    onError?: (error: Error) => void
+  ) => {
+    const input = document.createElement('input');
+    input.type = 'file';
+    input.accept = '.srt';
+    
+    input.onchange = (e) => {
+      const file = (e.target as HTMLInputElement).files?.[0];
+      if (file) {
+        // 验证文件扩展名
+        if (!file.name.toLowerCase().endsWith('.srt')) {
+          onError?.(new Error('请选择.srt格式的字幕文件'));
+          return;
+        }
+        uploadFile(file, onSubtitleUpload, onError);
+      }
+    };
+    
+    input.onerror = () => {
+      onError?.(new Error('文件选择失败'));
+    };
+    
+    input.click();
+  }, [uploadFile]);
+
+  return {
+    uploadVideo,
+    uploadSubtitle,
+    uploadFile,
+  };
+}

src/app/(features)/srt-player/hooks/useKeyboardShortcuts.ts

@@ -0,0 +1,68 @@
+"use client";
+
+import { useCallback, useEffect } from "react";
+import { KeyboardShortcut } from "../types/controls";
+
+export function useKeyboardShortcuts(
+  shortcuts: KeyboardShortcut[],
+  enabled: boolean = true
+) {
+  const handleKeyDown = useCallback((event: globalThis.KeyboardEvent) => {
+    if (!enabled) return;
+    
+    // 防止在输入框中触发快捷键
+    const target = event.target as HTMLElement;
+    if (target.tagName === 'INPUT' || target.tagName === 'TEXTAREA') {
+      return;
+    }
+    
+    const shortcut = shortcuts.find(s => s.key === event.key);
+    if (shortcut) {
+      event.preventDefault();
+      shortcut.action();
+    }
+  }, [shortcuts, enabled]);
+
+  useEffect(() => {
+    document.addEventListener('keydown', handleKeyDown);
+    return () => {
+      document.removeEventListener('keydown', handleKeyDown);
+    };
+  }, [handleKeyDown]);
+}
+
+export function createSrtPlayerShortcuts(
+  playPause: () => void,
+  next: () => void,
+  previous: () => void,
+  restart: () => void,
+  toggleAutoPause: () => void
+): KeyboardShortcut[] {
+  return [
+    {
+      key: ' ',
+      description: '播放/暂停',
+      action: playPause,
+    },
+    {
+      key: 'n',
+      description: '下一句',
+      action: next,
+    },
+    {
+      key: 'p',
+      description: '上一句',
+      action: previous,
+    },
+    {
+      key: 'r',
+      description: '句首',
+      action: restart,
+    },
+    {
+      key: 'a',
+      description: '切换自动暂停',
+      action: toggleAutoPause,
+    },
+  ];
+}

src/app/(features)/srt-player/hooks/useSrtPlayer.ts

@@ -0,0 +1,306 @@
+"use client";
+
+import { useReducer, useCallback, useRef, useEffect } from "react";
+import { toast } from "sonner";
+import { VideoState, VideoControls } from "../types/player";
+import { SubtitleState, SubtitleEntry } from "../types/subtitle";
+import { ControlState, ControlActions } from "../types/controls";
+
+export interface SrtPlayerState {
+  video: VideoState;
+  subtitle: SubtitleState;
+  controls: ControlState;
+}
+
+export interface SrtPlayerActions extends VideoControls, ControlActions {
+  setVideoUrl: (url: string | null) => void;
+  setSubtitleUrl: (url: string | null) => void;
+  nextSubtitle: () => void;
+  previousSubtitle: () => void;
+  restartSubtitle: () => void;
+  setSubtitleSettings: (settings: Partial<SubtitleState['settings']>) => void;
+}
+
+const initialState: SrtPlayerState = {
+  video: {
+    url: null,
+    isPlaying: false,
+    currentTime: 0,
+    duration: 0,
+    playbackRate: 1.0,
+    volume: 1.0,
+  },
+  subtitle: {
+    url: null,
+    data: [],
+    currentText: "",
+    currentIndex: null,
+    settings: {
+      fontSize: 24,
+      backgroundColor: "rgba(0, 0, 0, 0.5)",
+      textColor: "#ffffff",
+      position: "bottom",
+      fontFamily: "sans-serif",
+      opacity: 1,
+    },
+  },
+  controls: {
+    autoPause: true,
+    showShortcuts: false,
+    showSettings: false,
+  },
+};
+
+type SrtPlayerAction =
+  | { type: "SET_VIDEO_URL"; payload: string | null }
+  | { type: "SET_PLAYING"; payload: boolean }
+  | { type: "SET_CURRENT_TIME"; payload: number }
+  | { type: "SET_DURATION"; payload: number }
+  | { type: "SET_PLAYBACK_RATE"; payload: number }
+  | { type: "SET_VOLUME"; payload: number }
+  | { type: "SET_SUBTITLE_URL"; payload: string | null }
+  | { type: "SET_SUBTITLE_DATA"; payload: SubtitleEntry[] }
+  | { type: "SET_CURRENT_SUBTITLE"; payload: { text: string; index: number | null } }
+  | { type: "SET_SUBTITLE_SETTINGS"; payload: Partial<SubtitleState['settings']> }
+  | { type: "TOGGLE_AUTO_PAUSE" }
+  | { type: "TOGGLE_SHORTCUTS" }
+  | { type: "TOGGLE_SETTINGS" };
+
+function srtPlayerReducer(state: SrtPlayerState, action: SrtPlayerAction): SrtPlayerState {
+  switch (action.type) {
+    case "SET_VIDEO_URL":
+      return { ...state, video: { ...state.video, url: action.payload } };
+    case "SET_PLAYING":
+      return { ...state, video: { ...state.video, isPlaying: action.payload } };
+    case "SET_CURRENT_TIME":
+      return { ...state, video: { ...state.video, currentTime: action.payload } };
+    case "SET_DURATION":
+      return { ...state, video: { ...state.video, duration: action.payload } };
+    case "SET_PLAYBACK_RATE":
+      return { ...state, video: { ...state.video, playbackRate: action.payload } };
+    case "SET_VOLUME":
+      return { ...state, video: { ...state.video, volume: action.payload } };
+    case "SET_SUBTITLE_URL":
+      return { ...state, subtitle: { ...state.subtitle, url: action.payload } };
+    case "SET_SUBTITLE_DATA":
+      return { ...state, subtitle: { ...state.subtitle, data: action.payload } };
+    case "SET_CURRENT_SUBTITLE":
+      return {
+        ...state,
+        subtitle: {
+          ...state.subtitle,
+          currentText: action.payload.text,
+          currentIndex: action.payload.index,
+        },
+      };
+    case "SET_SUBTITLE_SETTINGS":
+      return {
+        ...state,
+        subtitle: {
+          ...state.subtitle,
+          settings: { ...state.subtitle.settings, ...action.payload },
+        },
+      };
+    case "TOGGLE_AUTO_PAUSE":
+      return { ...state, controls: { ...state.controls, autoPause: !state.controls.autoPause } };
+    case "TOGGLE_SHORTCUTS":
+      return { ...state, controls: { ...state.controls, showShortcuts: !state.controls.showShortcuts } };
+    case "TOGGLE_SETTINGS":
+      return { ...state, controls: { ...state.controls, showSettings: !state.controls.showSettings } };
+    default:
+      return state;
+  }
+}
+
+export function useSrtPlayer() {
+  const [state, dispatch] = useReducer(srtPlayerReducer, initialState);
+  const videoRef = useRef<HTMLVideoElement>(null);
+
+  // Video controls
+  const play = useCallback(() => {
+    // 检查是否同时有视频和字幕
+    if (!state.video.url || !state.subtitle.url || state.subtitle.data.length === 0) {
+      toast.error("请先上传视频和字幕文件");
+      return;
+    }
+    
+    if (videoRef.current) {
+      videoRef.current.play().catch(error => {
+        toast.error("视频播放失败: " + error.message);
+      });
+      dispatch({ type: "SET_PLAYING", payload: true });
+    }
+  }, [state.video.url, state.subtitle.url, state.subtitle.data.length, dispatch]);
+
+  const pause = useCallback(() => {
+    if (videoRef.current) {
+      videoRef.current.pause();
+      dispatch({ type: "SET_PLAYING", payload: false });
+    }
+  }, []);
+
+  const togglePlayPause = useCallback(() => {
+    if (state.video.isPlaying) {
+      pause();
+    } else {
+      play();
+    }
+  }, [state.video.isPlaying, play, pause]);
+
+  const seek = useCallback((time: number) => {
+    if (videoRef.current) {
+      videoRef.current.currentTime = time;
+      dispatch({ type: "SET_CURRENT_TIME", payload: time });
+    }
+  }, []);
+
+  const setPlaybackRate = useCallback((rate: number) => {
+    if (videoRef.current) {
+      videoRef.current.playbackRate = rate;
+      dispatch({ type: "SET_PLAYBACK_RATE", payload: rate });
+    }
+  }, []);
+
+  const setVolume = useCallback((volume: number) => {
+    if (videoRef.current) {
+      videoRef.current.volume = volume;
+      dispatch({ type: "SET_VOLUME", payload: volume });
+    }
+  }, []);
+
+  const restart = useCallback(() => {
+    if (videoRef.current && state.subtitle.currentIndex !== null) {
+      const currentSubtitle = state.subtitle.data[state.subtitle.currentIndex];
+      if (currentSubtitle) {
+        seek(currentSubtitle.start);
+        play();
+      }
+    }
+  }, [state.subtitle.currentIndex, state.subtitle.data, seek, play]);
+
+  // URL setters
+  const setVideoUrl = useCallback((url: string | null) => {
+    dispatch({ type: "SET_VIDEO_URL", payload: url });
+    if (url && videoRef.current) {
+      videoRef.current.src = url;
+      videoRef.current.load();
+    }
+  }, []);
+
+  const setSubtitleUrl = useCallback((url: string | null) => {
+    dispatch({ type: "SET_SUBTITLE_URL", payload: url });
+  }, []);
+
+  // Subtitle controls
+  const nextSubtitle = useCallback(() => {
+    if (state.subtitle.currentIndex !== null && 
+        state.subtitle.currentIndex + 1 < state.subtitle.data.length) {
+      const nextIndex = state.subtitle.currentIndex + 1;
+      const nextSubtitle = state.subtitle.data[nextIndex];
+      seek(nextSubtitle.start);
+      play();
+    }
+  }, [state.subtitle.currentIndex, state.subtitle.data, seek, play]);
+
+  const previousSubtitle = useCallback(() => {
+    if (state.subtitle.currentIndex !== null && state.subtitle.currentIndex > 0) {
+      const prevIndex = state.subtitle.currentIndex - 1;
+      const prevSubtitle = state.subtitle.data[prevIndex];
+      seek(prevSubtitle.start);
+      play();
+    }
+  }, [state.subtitle.currentIndex, state.subtitle.data, seek, play]);
+
+  const restartSubtitle = useCallback(() => {
+    if (state.subtitle.currentIndex !== null) {
+      const currentSubtitle = state.subtitle.data[state.subtitle.currentIndex];
+      seek(currentSubtitle.start);
+      play();
+    }
+  }, [state.subtitle.currentIndex, state.subtitle.data, seek, play]);
+
+  const setSubtitleSettings = useCallback((settings: Partial<SubtitleState['settings']>) => {
+    dispatch({ type: "SET_SUBTITLE_SETTINGS", payload: settings });
+  }, []);
+
+  // Control actions
+  const toggleAutoPause = useCallback(() => {
+    dispatch({ type: "TOGGLE_AUTO_PAUSE" });
+  }, []);
+
+  const toggleShortcuts = useCallback(() => {
+    dispatch({ type: "TOGGLE_SHORTCUTS" });
+  }, []);
+
+  const toggleSettings = useCallback(() => {
+    dispatch({ type: "TOGGLE_SETTINGS" });
+  }, []);
+
+  // Video event handlers
+  const handleTimeUpdate = useCallback(() => {
+    if (videoRef.current) {
+      dispatch({ type: "SET_CURRENT_TIME", payload: videoRef.current.currentTime });
+    }
+  }, []);
+
+  const handleLoadedMetadata = useCallback(() => {
+    if (videoRef.current) {
+      dispatch({ type: "SET_DURATION", payload: videoRef.current.duration });
+    }
+  }, []);
+
+  const handlePlay = useCallback(() => {
+    dispatch({ type: "SET_PLAYING", payload: true });
+  }, []);
+
+  const handlePause = useCallback(() => {
+    dispatch({ type: "SET_PLAYING", payload: false });
+  }, []);
+
+  // Set subtitle data
+  const setSubtitleData = useCallback((data: SubtitleEntry[]) => {
+    dispatch({ type: "SET_SUBTITLE_DATA", payload: data });
+  }, []);
+
+  // Set current subtitle
+  const setCurrentSubtitle = useCallback((text: string, index: number | null) => {
+    dispatch({ type: "SET_CURRENT_SUBTITLE", payload: { text, index } });
+  }, []);
+
+  const actions: SrtPlayerActions = {
+    play,
+    pause,
+    togglePlayPause,
+    seek,
+    setPlaybackRate,
+    setVolume,
+    restart,
+    setVideoUrl,
+    setSubtitleUrl,
+    nextSubtitle,
+    previousSubtitle,
+    restartSubtitle,
+    setSubtitleSettings,
+    toggleAutoPause,
+    toggleShortcuts,
+    toggleSettings,
+  };
+
+  return {
+    state,
+    actions,
+    videoRef,
+    videoEventHandlers: {
+      onTimeUpdate: handleTimeUpdate,
+      onLoadedMetadata: handleLoadedMetadata,
+      onPlay: handlePlay,
+      onPause: handlePause,
+    },
+    subtitleActions: {
+      setSubtitleData,
+      setCurrentSubtitle,
+    },
+  };
+}
+
+export type UseSrtPlayerReturn = ReturnType<typeof useSrtPlayer>;

src/app/(features)/srt-player/hooks/useSubtitleSync.ts

@@ -0,0 +1,110 @@
+"use client";
+
+import { useCallback, useEffect, useRef } from "react";
+import { SubtitleEntry } from "../types/subtitle";
+
+export function useSubtitleSync(
+  subtitles: SubtitleEntry[],
+  currentTime: number,
+  isPlaying: boolean,
+  autoPause: boolean,
+  onSubtitleChange: (subtitle: SubtitleEntry | null) => void,
+  onAutoPauseTrigger?: (subtitle: SubtitleEntry) => void
+) {
+  const lastSubtitleRef = useRef<SubtitleEntry | null>(null);
+  const rafIdRef = useRef<number>(0);
+
+  // 获取当前时间对应的字幕
+  const getCurrentSubtitle = useCallback((time: number): SubtitleEntry | null => {
+    return subtitles.find(subtitle => time >= subtitle.start && time <= subtitle.end) || null;
+  }, [subtitles]);
+
+  // 获取最近的字幕索引
+  const getNearestIndex = useCallback((time: number): number | null => {
+    if (subtitles.length === 0) return null;
+    
+    // 如果时间早于第一个字幕开始时间
+    if (time < subtitles[0].start) return null;
+    
+    // 如果时间晚于最后一个字幕结束时间
+    if (time > subtitles[subtitles.length - 1].end) return subtitles.length - 1;
+    
+    // 二分查找找到当前时间对应的字幕
+    let left = 0;
+    let right = subtitles.length - 1;
+    
+    while (left <= right) {
+      const mid = Math.floor((left + right) / 2);
+      const subtitle = subtitles[mid];
+      
+      if (time >= subtitle.start && time <= subtitle.end) {
+        return mid;
+      } else if (time < subtitle.start) {
+        right = mid - 1;
+      } else {
+        left = mid + 1;
+      }
+    }
+    
+    // 如果没有找到完全匹配的字幕，返回最近的字幕索引
+    return right >= 0 ? right : null;
+  }, [subtitles]);
+
+  // 检查是否需要自动暂停
+  const shouldAutoPause = useCallback((subtitle: SubtitleEntry, time: number): boolean => {
+    return autoPause &&
+           time >= subtitle.end - 0.2 && // 增加时间窗口，确保自动暂停更可靠
+           time < subtitle.end;
+  }, [autoPause]);
+
+  // 启动/停止同步循环
+  useEffect(() => {
+    const syncSubtitles = () => {
+      const currentSubtitle = getCurrentSubtitle(currentTime);
+      
+      // 检查字幕是否发生变化
+      if (currentSubtitle !== lastSubtitleRef.current) {
+        const previousSubtitle = lastSubtitleRef.current;
+        lastSubtitleRef.current = currentSubtitle;
+        
+        // 只有当有当前字幕时才调用onSubtitleChange
+        // 在字幕间隙时保持之前的字幕索引，避免进度条跳到0
+        if (currentSubtitle) {
+          onSubtitleChange(currentSubtitle);
+        }
+      }
+      
+      // 检查是否需要自动暂停
+      // 每次都检查，不只在字幕变化时检查
+      if (currentSubtitle && shouldAutoPause(currentSubtitle, currentTime)) {
+        onAutoPauseTrigger?.(currentSubtitle);
+      } else if (!currentSubtitle && lastSubtitleRef.current && shouldAutoPause(lastSubtitleRef.current, currentTime)) {
+        // 在字幕结束时，如果前一个字幕需要自动暂停，也要触发
+        onAutoPauseTrigger?.(lastSubtitleRef.current);
+      }
+      
+      rafIdRef.current = requestAnimationFrame(syncSubtitles);
+    };
+
+    if (subtitles.length > 0) {
+      rafIdRef.current = requestAnimationFrame(syncSubtitles);
+    }
+    
+    return () => {
+      if (rafIdRef.current) {
+        cancelAnimationFrame(rafIdRef.current);
+      }
+    };
+  }, [subtitles.length, currentTime, getCurrentSubtitle, onSubtitleChange, shouldAutoPause, onAutoPauseTrigger]);
+
+  // 重置最后字幕引用
+  useEffect(() => {
+    lastSubtitleRef.current = null;
+  }, [subtitles]);
+
+  return {
+    getCurrentSubtitle,
+    getNearestIndex,
+    shouldAutoPause,
+  };
+}

src/app/(features)/srt-player/page.tsx

@@ -1,25 +1,280 @@
 "use client";
 
-import { KeyboardEvent, useRef, useState } from "react";
+import React from "react";
-import UploadArea from "./UploadArea";
+import { useTranslations } from "next-intl";
-import VideoPanel from "./VideoPlayer/VideoPanel";
+import { toast } from "sonner";
+import { Video, FileText } from "lucide-react";
+import { useSrtPlayer } from "./hooks/useSrtPlayer";
+import { useSubtitleSync } from "./hooks/useSubtitleSync";
+import { useKeyboardShortcuts, createSrtPlayerShortcuts } from "./hooks/useKeyboardShortcuts";
+import { useFileUpload } from "./hooks/useFileUpload";
+import { loadSubtitle } from "./utils/subtitleParser";
+import VideoPlayer from "./components/compounds/VideoPlayer";
+import SubtitleArea from "./components/compounds/SubtitleArea";
+import ControlBar from "./components/compounds/ControlBar";
+import UploadZone from "./components/compounds/UploadZone";
+import SeekBar from "./components/atoms/SeekBar";
+import DarkButton from "@/components/ui/buttons/DarkButton";
 
 export default function SrtPlayerPage() {
-  const videoRef = useRef<HTMLVideoElement>(null);
+  const t = useTranslations("home");
+  const srtT = useTranslations("srt_player");
+  const { uploadVideo, uploadSubtitle } = useFileUpload();
+  const {
+    state,
+    actions,
+    videoRef,
+    videoEventHandlers,
+    subtitleActions
+  } = useSrtPlayer();
+
+  // 字幕同步
+  useSubtitleSync(
+    state.subtitle.data,
+    state.video.currentTime,
+    state.video.isPlaying,
+    state.controls.autoPause,
+    (subtitle) => {
+      if (subtitle) {
+        subtitleActions.setCurrentSubtitle(subtitle.text, subtitle.index);
+      } else {
+        subtitleActions.setCurrentSubtitle("", null);
+      }
+    },
+    (subtitle) => {
+      // 自动暂停逻辑
+      actions.seek(subtitle.start);
+      actions.pause();
+    }
+  );
+
+  // 键盘快捷键
+  const shortcuts = React.useMemo(() =>
+    createSrtPlayerShortcuts(
+      actions.togglePlayPause,
+      actions.nextSubtitle,
+      actions.previousSubtitle,
+      actions.restartSubtitle,
+      actions.toggleAutoPause
+    ), [
+    actions.togglePlayPause,
+    actions.nextSubtitle,
+    actions.previousSubtitle,
+    actions.restartSubtitle,
+    actions.toggleAutoPause
+  ]
+  );
+
+  useKeyboardShortcuts(shortcuts);
+
+  // 处理字幕文件加载
+  React.useEffect(() => {
+    if (state.subtitle.url) {
+      loadSubtitle(state.subtitle.url)
+        .then(subtitleData => {
+          subtitleActions.setSubtitleData(subtitleData);
+          toast.success(srtT("subtitleLoadSuccess"));
+        })
+        .catch(error => {
+          toast.error(srtT("subtitleLoadFailed") + ": " + error.message);
+        });
+    }
+  }, [srtT, state.subtitle.url, subtitleActions]);
+
+  // 处理进度条变化
+  const handleSeek = React.useCallback((index: number) => {
+    if (state.subtitle.data[index]) {
+      actions.seek(state.subtitle.data[index].start);
+    }
+  }, [state.subtitle.data, actions]);
+
+  // 处理视频上传
+  const handleVideoUpload = React.useCallback(() => {
+    uploadVideo(actions.setVideoUrl, (error) => {
+      toast.error(srtT("videoUploadFailed") + ": " + error.message);
+    });
+  }, [uploadVideo, actions.setVideoUrl, srtT]);
+
+  // 处理字幕上传
+  const handleSubtitleUpload = React.useCallback(() => {
+    uploadSubtitle(actions.setSubtitleUrl, (error) => {
+      toast.error(srtT("subtitleUploadFailed") + ": " + error.message);
+    });
+  }, [uploadSubtitle, actions.setSubtitleUrl, srtT]);
+
+  // 检查是否可以播放
+  const canPlay = state.video.url && state.subtitle.url && state.subtitle.data.length > 0;
 
-  const [videoUrl, setVideoUrl] = useState<string | null>(null);
-  const [srtUrl, setSrtUrl] = useState<string | null>(null);
   return (
-    <>
+    <div className="min-h-screen bg-gray-50">
-      <div
+      <div className="container mx-auto px-4 py-8">
-        className="flex w-screen pt-8 items-center justify-center"
+        <div className="max-w-6xl mx-auto">
-        onKeyDown={(e: KeyboardEvent<HTMLDivElement>) => e.preventDefault()}
+          {/* 标题区域 */}
-      >
+          <div className="text-center mb-8">
-        <div className="w-[80vw] md:w-[45vw] flex items-center flex-col">
+            <h1 className="text-4xl font-bold text-gray-800 mb-2">
-          <VideoPanel videoUrl={videoUrl} srtUrl={srtUrl} ref={videoRef} />
+              {t("srtPlayer.name")}
-          <UploadArea setVideoUrl={setVideoUrl} setSrtUrl={setSrtUrl} />
+            </h1>
+            <p className="text-lg text-gray-600">
+              {t("srtPlayer.description")}
+            </p>
+          </div>
+
+          {/* 主要内容区域 */}
+          <div className="bg-white rounded-xl shadow-lg overflow-hidden">
+            {/* 视频播放器区域 */}
+            <div className="aspect-video bg-black relative">
+              {(!state.video.url || !state.subtitle.url || state.subtitle.data.length === 0) && (
+                <div className="absolute inset-0 flex items-center justify-center bg-gray-900 bg-opacity-75 z-10">
+                  <div className="text-center text-white">
+                    <p className="text-lg mb-2">
+                      {!state.video.url && !state.subtitle.url
+                        ? srtT("uploadVideoAndSubtitle")
+                        : !state.video.url
+                          ? srtT("uploadVideoFile")
+                          : !state.subtitle.url
+                            ? srtT("uploadSubtitleFile")
+                            : srtT("processingSubtitle")
+                      }
+                    </p>
+                    {(!state.video.url || !state.subtitle.url) && (
+                      <p className="text-sm text-gray-300">
+                        {srtT("needBothFiles")}
+                      </p>
+                    )}
+                  </div>
+                </div>
+              )}
+
+              {state.video.url && (
+                <VideoPlayer
+                  ref={videoRef}
+                  src={state.video.url}
+                  {...videoEventHandlers}
+                  className="w-full h-full"
+                >
+                  {state.subtitle.url && state.subtitle.data.length > 0 && (
+                    <SubtitleArea
+                      subtitle={state.subtitle.currentText}
+                      settings={state.subtitle.settings}
+                      className="absolute bottom-0 left-0 right-0 px-4 py-2"
+                    />
+                  )}
+                </VideoPlayer>
+              )}
+            </div>
+
+            {/* 控制面板 */}
+            <div className="p-3 bg-gray-50 border-t">
+              {/* 上传区域和状态指示器 */}
+              <div className="mb-3">
+                <div className="flex gap-3">
+                  <div className={`flex-1 p-2 rounded-lg border-2 transition-all ${state.video.url
+                    ? 'border-gray-800 bg-gray-100'
+                    : 'border-gray-300 bg-white'
+                    }`}>
+                    <div className="flex items-center justify-between">
+                      <div className="flex items-center gap-2">
+                        <Video className="w-5 h-5 text-gray-600" />
+                        <div className="text-left">
+                          <h3 className="font-semibold text-gray-800 text-sm">{srtT("videoFile")}</h3>
+                          <p className="text-xs text-gray-600">
+                            {state.video.url ? srtT("uploaded") : srtT("notUploaded")}
+                          </p>
+                        </div>
+                      </div>
+                      <DarkButton
+                        onClick={state.video.url ? undefined : handleVideoUpload}
+                        disabled={!!state.video.url}
+                        className="px-2 py-1 text-xs"
+                      >
+                        {state.video.url ? srtT("uploaded") : srtT("upload")}
+                      </DarkButton>
+                    </div>
+                  </div>
+
+                  <div className={`flex-1 p-2 rounded-lg border-2 transition-all ${state.subtitle.url
+                    ? 'border-gray-800 bg-gray-100'
+                    : 'border-gray-300 bg-white'
+                    }`}>
+                    <div className="flex items-center justify-between">
+                      <div className="flex items-center gap-2">
+                        <FileText className="w-5 h-5 text-gray-600" />
+                        <div className="text-left">
+                          <h3 className="font-semibold text-gray-800 text-sm">{srtT("subtitleFile")}</h3>
+                          <p className="text-xs text-gray-600">
+                            {state.subtitle.url ? srtT("uploaded") : srtT("notUploaded")}
+                          </p>
+                        </div>
+                      </div>
+                      <DarkButton
+                        onClick={state.subtitle.url ? undefined : handleSubtitleUpload}
+                        disabled={!!state.subtitle.url}
+                        className="px-2 py-1 text-xs"
+                      >
+                        {state.subtitle.url ? srtT("uploaded") : srtT("upload")}
+                      </DarkButton>
+                    </div>
+                  </div>
+                </div>
+              </div>
+
+              {/* 控制按钮和进度条 */}
+              <div className={`space-y-4 ${canPlay ? '' : 'opacity-50 pointer-events-none'}`}>
+                {/* 控制按钮 */}
+                <ControlBar
+                  isPlaying={state.video.isPlaying}
+                  onPlayPause={actions.togglePlayPause}
+                  onPrevious={actions.previousSubtitle}
+                  onNext={actions.nextSubtitle}
+                  onRestart={actions.restartSubtitle}
+                  playbackRate={state.video.playbackRate}
+                  onPlaybackRateChange={actions.setPlaybackRate}
+                  autoPause={state.controls.autoPause}
+                  onAutoPauseToggle={actions.toggleAutoPause}
+                  disabled={!canPlay}
+                  className="justify-center"
+                />
+
+                {/* 进度条 */}
+                <div className="space-y-2">
+                  <SeekBar
+                    value={state.subtitle.currentIndex ?? 0}
+                    max={Math.max(0, state.subtitle.data.length - 1)}
+                    onChange={handleSeek}
+                    disabled={!canPlay}
+                    className="h-3"
+                  />
+
+                  {/* 字幕进度显示 */}
+                  <div className="flex justify-between items-center text-sm text-gray-600 px-2">
+                    <span>
+                      {state.subtitle.currentIndex !== null ?
+                        `${state.subtitle.currentIndex + 1}/${state.subtitle.data.length}` :
+                        '0/0'
+                      }
+                    </span>
+
+                    <div className="flex items-center gap-4">
+                      {/* 播放速度显示 */}
+                      <span className="bg-gray-200 px-2 py-1 rounded text-xs">
+                        {state.video.playbackRate}x
+                      </span>
+
+                      {/* 自动暂停状态 */}
+                      <span className={`px-2 py-1 rounded text-xs ${state.controls.autoPause
+                        ? 'bg-gray-800 text-white'
+                        : 'bg-gray-100 text-gray-600'
+                        }`}>
+                        {srtT("autoPauseStatus", { enabled: state.controls.autoPause ? srtT("on") : srtT("off") })}
+                      </span>
+                    </div>
+                  </div>
+                </div>
+              </div>
+            </div>
+          </div>
         </div>
       </div>
-    </>
+    </div>
   );
-}
+}

src/app/(features)/srt-player/types/controls.ts

@@ -0,0 +1,65 @@
+export interface ControlState {
+  autoPause: boolean;
+  showShortcuts: boolean;
+  showSettings: boolean;
+}
+
+export interface ControlActions {
+  toggleAutoPause: () => void;
+  toggleShortcuts: () => void;
+  toggleSettings: () => void;
+}
+
+export interface ControlBarProps {
+  isPlaying: boolean;
+  onPlayPause: () => void;
+  onPrevious: () => void;
+  onNext: () => void;
+  onRestart: () => void;
+  playbackRate: number;
+  onPlaybackRateChange: (rate: number) => void;
+  autoPause: boolean;
+  onAutoPauseToggle: () => void;
+  disabled?: boolean;
+  className?: string;
+}
+
+export interface NavigationButtonProps {
+  onClick: () => void;
+  disabled?: boolean;
+  className?: string;
+  children: React.ReactNode;
+}
+
+export interface AutoPauseToggleProps {
+  enabled: boolean;
+  onToggle: () => void;
+  disabled?: boolean;
+  className?: string;
+}
+
+export interface KeyboardShortcut {
+  key: string;
+  description: string;
+  action: () => void;
+}
+
+export interface ShortcutHintProps {
+  shortcuts: KeyboardShortcut[];
+  visible: boolean;
+  onClose: () => void;
+  className?: string;
+}
+
+export interface FileUploadProps {
+  onVideoUpload: (url: string) => void;
+  onSubtitleUpload: (url: string) => void;
+  className?: string;
+}
+
+export interface FileInputProps {
+  accept: string;
+  onFileSelect: (file: File) => void;
+  disabled?: boolean;
+  className?: string;
+}

src/app/(features)/srt-player/types/player.ts

@@ -0,0 +1,57 @@
+export interface VideoState {
+  url: string | null;
+  isPlaying: boolean;
+  currentTime: number;
+  duration: number;
+  playbackRate: number;
+  volume: number;
+}
+
+export interface VideoControls {
+  play: () => void;
+  pause: () => void;
+  togglePlayPause: () => void;
+  seek: (time: number) => void;
+  setPlaybackRate: (rate: number) => void;
+  setVolume: (volume: number) => void;
+  restart: () => void;
+}
+
+export interface VideoElementProps {
+  src?: string;
+  onTimeUpdate?: (time: number) => void;
+  onLoadedMetadata?: (duration: number) => void;
+  onPlay?: () => void;
+  onPause?: () => void;
+  onEnded?: () => void;
+  className?: string;
+}
+
+export interface PlayButtonProps {
+  isPlaying: boolean;
+  onToggle: () => void;
+  disabled?: boolean;
+  className?: string;
+}
+
+export interface SeekBarProps {
+  value: number;
+  max: number;
+  onChange: (value: number) => void;
+  disabled?: boolean;
+  className?: string;
+}
+
+export interface SpeedControlProps {
+  playbackRate: number;
+  onPlaybackRateChange: (rate: number) => void;
+  disabled?: boolean;
+  className?: string;
+}
+
+export interface VolumeControlProps {
+  volume: number;
+  onVolumeChange: (volume: number) => void;
+  disabled?: boolean;
+  className?: string;
+}

src/app/(features)/srt-player/types/subtitle.ts

@@ -0,0 +1,59 @@
+export interface SubtitleEntry {
+  start: number;
+  end: number;
+  text: string;
+  index: number;
+}
+
+export interface SubtitleState {
+  url: string | null;
+  data: SubtitleEntry[];
+  currentText: string;
+  currentIndex: number | null;
+  settings: SubtitleSettings;
+}
+
+export interface SubtitleSettings {
+  fontSize: number;
+  backgroundColor: string;
+  textColor: string;
+  position: 'top' | 'center' | 'bottom';
+  fontFamily: string;
+  opacity: number;
+}
+
+export interface SubtitleDisplayProps {
+  subtitle: string;
+  onWordClick?: (word: string) => void;
+  settings?: SubtitleSettings;
+  className?: string;
+}
+
+export interface SubtitleTextProps {
+  text: string;
+  onWordClick?: (word: string) => void;
+  style?: React.CSSProperties;
+  className?: string;
+}
+
+export interface SubtitleSettingsProps {
+  settings: SubtitleSettings;
+  onSettingsChange: (settings: SubtitleSettings) => void;
+  className?: string;
+}
+
+export interface SubtitleControls {
+  next: () => void;
+  previous: () => void;
+  goToIndex: (index: number) => void;
+  toggleAutoPause: () => void;
+}
+
+export interface SubtitleSyncProps {
+  subtitles: SubtitleEntry[];
+  currentTime: number;
+  isPlaying: boolean;
+  autoPause: boolean;
+  onSubtitleChange: (subtitle: SubtitleEntry | null) => void;
+  onAutoPauseTrigger?: (subtitle: SubtitleEntry) => void;
+}

src/app/(features)/srt-player/utils/subtitleParser.ts

@@ -0,0 +1,99 @@
+import { SubtitleEntry } from "../types/subtitle";
+
+export function parseSrt(data: string): SubtitleEntry[] {
+  const lines = data.split(/\r?\n/);
+  const result: SubtitleEntry[] = [];
+  const re = new RegExp(
+    "(\\d{2}:\\d{2}:\\d{2},\\d{3})\\s*-->\\s*(\\d{2}:\\d{2}:\\d{2},\\d{3})",
+  );
+  let i = 0;
+  
+  while (i < lines.length) {
+    if (!lines[i].trim()) {
+      i++;
+      continue;
+    }
+    i++;
+    if (i >= lines.length) break;
+    
+    const timeMatch = lines[i].match(re);
+    if (!timeMatch) {
+      i++;
+      continue;
+    }
+    
+    const start = toSeconds(timeMatch[1]);
+    const end = toSeconds(timeMatch[2]);
+    i++;
+    
+    let text = "";
+    while (i < lines.length && lines[i].trim()) {
+      text += lines[i] + "\n";
+      i++;
+    }
+    
+    result.push({ 
+      start, 
+      end, 
+      text: text.trim(),
+      index: result.length,
+    });
+    i++;
+  }
+  
+  return result;
+}
+
+export function getSubtitleIndex(
+  subtitles: SubtitleEntry[],
+  currentTime: number,
+): number | null {
+  for (let i = 0; i < subtitles.length; i++) {
+    if (currentTime >= subtitles[i].start && currentTime <= subtitles[i].end) {
+      return i;
+    }
+  }
+  return null;
+}
+
+export function getNearestIndex(
+  subtitles: SubtitleEntry[],
+  currentTime: number,
+): number | null {
+  for (let i = 0; i < subtitles.length; i++) {
+    const subtitle = subtitles[i];
+    const isBefore = currentTime - subtitle.start >= 0;
+    const isAfter = currentTime - subtitle.end >= 0;
+    
+    if (!isBefore || !isAfter) return i - 1;
+    if (isBefore && !isAfter) return i;
+  }
+  return null;
+}
+
+export function getCurrentSubtitle(
+  subtitles: SubtitleEntry[],
+  currentTime: number,
+): SubtitleEntry | null {
+  return subtitles.find((subtitle) => 
+    currentTime >= subtitle.start && currentTime <= subtitle.end
+  ) || null;
+}
+
+function toSeconds(timeStr: string): number {
+  const [h, m, s] = timeStr.replace(",", ".").split(":");
+  return parseFloat(
+    (parseInt(h) * 3600 + parseInt(m) * 60 + parseFloat(s)).toFixed(3),
+  );
+}
+
+export async function loadSubtitle(url: string): Promise<SubtitleEntry[]> {
+  try {
+    const response = await fetch(url);
+    const data = await response.text();
+    return parseSrt(data);
+  } catch (error) {
+    console.error('Failed to load subtitle:', error);
+    return [];
+  }
+}

src/app/(features)/srt-player/utils/timeUtils.ts

@@ -0,0 +1,48 @@
+export function formatTime(seconds: number): string {
+  const hours = Math.floor(seconds / 3600);
+  const minutes = Math.floor((seconds % 3600) / 60);
+  const secs = Math.floor(seconds % 60);
+  
+  if (hours > 0) {
+    return `${hours.toString().padStart(2, '0')}:${minutes.toString().padStart(2, '0')}:${secs.toString().padStart(2, '0')}`;
+  }
+  
+  return `${minutes.toString().padStart(2, '0')}:${secs.toString().padStart(2, '0')}`;
+}
+
+export function timeToSeconds(timeStr: string): number {
+  const parts = timeStr.split(':');
+  
+  if (parts.length === 3) {
+    // HH:MM:SS format
+    const [h, m, s] = parts;
+    return parseInt(h) * 3600 + parseInt(m) * 60 + parseFloat(s);
+  } else if (parts.length === 2) {
+    // MM:SS format
+    const [m, s] = parts;
+    return parseInt(m) * 60 + parseFloat(s);
+  }
+  
+  return 0;
+}
+
+export function secondsToTime(seconds: number): string {
+  const hours = Math.floor(seconds / 3600);
+  const minutes = Math.floor((seconds % 3600) / 60);
+  const secs = Math.floor(seconds % 60);
+  const ms = Math.floor((seconds % 1) * 1000);
+  
+  return `${hours.toString().padStart(2, '0')}:${minutes.toString().padStart(2, '0')}:${secs.toString().padStart(2, '0')},${ms.toString().padStart(3, '0')}`;
+}
+
+export function clampTime(time: number, min: number = 0, max: number = Infinity): number {
+  return Math.min(Math.max(time, min), max);
+}
+
+export function getPlaybackRateOptions(): number[] {
+  return [0.5, 0.7, 1.0, 1.2, 1.5, 2.0];
+}
+
+export function getPlaybackRateLabel(rate: number): string {
+  return `${rate}x`;
+}

src/components/ui/buttons/DarkButton.tsx

@@ -6,18 +6,21 @@ export default function DarkButton({
   selected,
   children,
   type = "button",
+  disabled
 }: {
-  onClick?: () => void;
+  onClick?: (() => void) | undefined;
   className?: string;
   selected?: boolean;
   children?: React.ReactNode;
   type?: ButtonType;
+  disabled?: boolean;
 }) {
   return (
     <PlainButton
       onClick={onClick}
-      className={`hover:bg-gray-600 text-white ${selected ? "bg-gray-600" : "bg-gray-800"} ${className}`}
+      className={`hover:bg-gray-100 text-black ${selected ? "bg-gray-100" : "bg-white"} ${className}`}
       type={type}
+      disabled={disabled}
     >
       {children}
     </PlainButton>

src/components/ui/buttons/LightButton.tsx

@@ -6,18 +6,21 @@ export default function LightButton({
   selected,
   children,
   type = "button",
+  disabled
 }: {
-  onClick?: () => void;
+  onClick?: (() => void) | undefined;
   className?: string;
   selected?: boolean;
   children?: React.ReactNode;
   type?: ButtonType;
+  disabled?: boolean;
 }) {
   return (
     <PlainButton
       onClick={onClick}
-      className={`hover:bg-gray-200 text-gray-800 ${selected ? "bg-gray-200" : "bg-white"} ${className}`}
+      className={`hover:bg-gray-100 text-black ${selected ? "bg-gray-100" : "bg-white"} ${className}`}
       type={type}
+      disabled={disabled}
     >
       {children}
     </PlainButton>

src/components/ui/buttons/PlainButton.tsx

@@ -1,21 +1,24 @@
-export type ButtonType =  "button" | "submit" | "reset" | undefined;
+export type ButtonType = "button" | "submit" | "reset" | undefined;
 
 export default function PlainButton({
   onClick,
   className,
   children,
   type = "button",
+  disabled
 }: {
   onClick?: () => void;
   className?: string;
   children?: React.ReactNode;
-    type?: ButtonType;
+  type?: ButtonType;
+  disabled?: boolean;
 }) {
   return (
     <button
       onClick={onClick}
       className={`px-2 py-1 rounded shadow font-bold hover:cursor-pointer ${className}`}
       type={type}
+      disabled={disabled}
     >
       {children}
     </button>