Rewrite frontend as single self-contained HTML file — all CSS/JS inline, no external files to fail loading

dist/server/services/jobManager.d.ts

@@ -0,0 +1,37 @@
+import { Job, OutputOptions } from '../db/jobStore';
+import { Config } from '../../config/config';
+import { AudioSegment } from '../../interfaces';
+interface ProgressData {
+    id: string;
+    status: string;
+    progress: number;
+    currentIndex: number;
+    totalUnits: number;
+    segments: AudioSegment[];
+    error: string | null;
+    output_audio: string | null;
+    output_subtitles_srt: string | null;
+    output_subtitles_vtt: string | null;
+    output_muxed: string | null;
+}
+export declare class JobManager {
+    private queue;
+    private processing;
+    private pausedJobs;
+    private emitter;
+    private pollInterval;
+    constructor();
+    private recoverStuckJobs;
+    createJob(videoPath: string, configOverride?: Partial<Config>, outputOptions?: Partial<OutputOptions>): Job;
+    startJob(jobId: string): Promise<void>;
+    pauseJob(jobId: string): Promise<void>;
+    restartJob(jobId: string): Promise<void>;
+    cancelJob(jobId: string): Promise<void>;
+    deleteJob(jobId: string): void;
+    listJobs(): Job[];
+    onJobProgress(jobId: string, callback: (data: ProgressData) => void): () => void;
+    private emitProgress;
+    private processNext;
+    private processJob;
+}
+export {};

dist/server/services/jobManager.js

@@ -0,0 +1,239 @@
+"use strict";
+var __importDefault = (this && this.__importDefault) || function (mod) {
+    return (mod && mod.__esModule) ? mod : { "default": mod };
+};
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.JobManager = void 0;
+const path_1 = __importDefault(require("path"));
+const fs_1 = __importDefault(require("fs"));
+const jobStore_1 = require("../db/jobStore");
+const processor_1 = require("../../utils/processor");
+const subtitleGenerator_1 = require("./subtitleGenerator");
+const muxer_1 = require("./muxer");
+const config_1 = require("../../config/config");
+const mediaUtils_1 = require("../../utils/mediaUtils");
+const events_1 = require("events");
+class JobManager {
+    constructor() {
+        this.queue = [];
+        this.processing = false;
+        this.pausedJobs = new Set();
+        this.emitter = new events_1.EventEmitter();
+        this.pollInterval = null;
+        this.recoverStuckJobs();
+        this.emitter.setMaxListeners(100);
+    }
+    recoverStuckJobs() {
+        const jobs = (0, jobStore_1.getAllJobs)();
+        for (const job of jobs) {
+            if (job.status === 'processing') {
+                (0, jobStore_1.updateJobStatus)(job.id, 'failed', 'Server restarted while job was in progress. Click Restart to resume from the last checkpoint.');
+            }
+        }
+    }
+    createJob(videoPath, configOverride = {}, outputOptions = {}) {
+        const baseConfig = (0, config_1.getDefaultConfig)();
+        const mergedConfig = { ...baseConfig, ...configOverride };
+        const filename = path_1.default.basename(videoPath);
+        const opts = {
+            audio: outputOptions.audio !== false,
+            subtitles: outputOptions.subtitles !== false,
+            muxed: outputOptions.muxed || false
+        };
+        return (0, jobStore_1.createJob)(videoPath, filename, mergedConfig, opts);
+    }
+    async startJob(jobId) {
+        const job = (0, jobStore_1.getJob)(jobId);
+        if (!job)
+            throw new Error('Job not found');
+        if (job.status === 'processing')
+            throw new Error('Job is already processing');
+        if (job.status === 'completed')
+            throw new Error('Job is already completed');
+        (0, jobStore_1.updateJobStatus)(jobId, 'queued');
+        this.queue.push(jobId);
+        this.processNext();
+    }
+    async pauseJob(jobId) {
+        const job = (0, jobStore_1.getJob)(jobId);
+        if (!job)
+            throw new Error('Job not found');
+        if (job.status !== 'processing')
+            throw new Error('Only processing jobs can be paused');
+        this.pausedJobs.add(jobId);
+        (0, jobStore_1.updateJobStatus)(jobId, 'paused');
+        this.emitProgress(jobId);
+    }
+    async restartJob(jobId) {
+        const job = (0, jobStore_1.getJob)(jobId);
+        if (!job)
+            throw new Error('Job not found');
+        if (job.status !== 'failed' && job.status !== 'paused' && job.status !== 'cancelled') {
+            throw new Error('Only failed, paused, or cancelled jobs can be restarted');
+        }
+        this.pausedJobs.delete(jobId);
+        (0, jobStore_1.updateJobStatus)(jobId, 'queued');
+        this.queue.push(jobId);
+        this.processNext();
+    }
+    async cancelJob(jobId) {
+        const job = (0, jobStore_1.getJob)(jobId);
+        if (!job)
+            throw new Error('Job not found');
+        if (job.status === 'processing') {
+            this.pausedJobs.add(jobId);
+        }
+        (0, jobStore_1.updateJobStatus)(jobId, 'cancelled');
+        this.emitProgress(jobId);
+    }
+    deleteJob(jobId) {
+        const job = (0, jobStore_1.getJob)(jobId);
+        if (!job)
+            throw new Error('Job not found');
+        if (job.status === 'processing')
+            throw new Error('Cannot delete a running job');
+        (0, jobStore_1.deleteJob)(jobId);
+    }
+    listJobs() {
+        return (0, jobStore_1.getAllJobs)();
+    }
+    onJobProgress(jobId, callback) {
+        this.emitter.on(`progress:${jobId}`, callback);
+        if (!this.pollInterval) {
+            this.pollInterval = setInterval(() => {
+                for (const id of this.emitter.eventNames()) {
+                    const eventName = String(id);
+                    if (eventName.startsWith('progress:')) {
+                        const jId = eventName.replace('progress:', '');
+                        this.emitProgress(jId);
+                    }
+                }
+            }, 2000);
+        }
+        return () => {
+            this.emitter.off(`progress:${jobId}`, callback);
+        };
+    }
+    emitProgress(jobId) {
+        const job = (0, jobStore_1.getJob)(jobId);
+        if (!job)
+            return;
+        const data = {
+            id: job.id,
+            status: job.status,
+            progress: job.progress,
+            currentIndex: job.current_index,
+            totalUnits: job.total_units,
+            segments: JSON.parse(job.segments || '[]'),
+            error: job.error,
+            output_audio: job.output_audio,
+            output_subtitles_srt: job.output_subtitles_srt,
+            output_subtitles_vtt: job.output_subtitles_vtt,
+            output_muxed: job.output_muxed
+        };
+        this.emitter.emit(`progress:${jobId}`, data);
+    }
+    async processNext() {
+        if (this.processing)
+            return;
+        while (this.queue.length > 0) {
+            this.processing = true;
+            const jobId = this.queue.shift();
+            const job = (0, jobStore_1.getJob)(jobId);
+            if (!job || job.status !== 'queued')
+                continue;
+            try {
+                await this.processJob(job);
+            }
+            catch (err) {
+                console.error(`Job ${jobId} failed:`, err.message);
+            }
+        }
+        this.processing = false;
+    }
+    async processJob(job) {
+        (0, jobStore_1.updateJobStatus)(job.id, 'processing');
+        this.emitProgress(job.id);
+        const config = JSON.parse(job.config);
+        const outputOptions = JSON.parse(job.output_options);
+        const existingSegments = JSON.parse(job.segments || '[]');
+        const lastContext = JSON.parse(job.last_context || '{}');
+        const startIndex = existingSegments.length > 0 ? job.current_index : 0;
+        const startTimePosition = job.current_time_position || 0;
+        const videoDuration = (0, mediaUtils_1.getVideoDuration)(job.video_path);
+        const totalUnits = config.batchTimeMode
+            ? Math.floor(videoDuration / config.batchWindowDuration)
+            : Math.floor(videoDuration / config.captureIntervalSeconds);
+        (0, jobStore_1.saveCheckpoint)(job.id, JSON.stringify(existingSegments), startIndex, totalUnits, startTimePosition, JSON.stringify(lastContext), 0);
+        this.emitProgress(job.id);
+        try {
+            const result = await (0, processor_1.generateAudioDescriptionFromOptions)(job.video_path, config, {
+                startIndex,
+                existingSegments,
+                lastContext,
+                currentTimePosition: startTimePosition,
+                onProgress: (info) => {
+                    if (this.pausedJobs.has(job.id)) {
+                        throw new Error('JOB_PAUSED');
+                    }
+                    const allSegments = existingSegments.length > 0 && info.index === startIndex
+                        ? [...existingSegments, info.segment]
+                        : (() => {
+                            const currentJob = (0, jobStore_1.getJob)(job.id);
+                            if (!currentJob)
+                                return [info.segment];
+                            const segs = JSON.parse(currentJob.segments || '[]');
+                            segs.push(info.segment);
+                            return segs;
+                        })();
+                    const progress = totalUnits > 0 ? Math.min(((info.index + 1) / totalUnits) * 100, 99) : 50;
+                    (0, jobStore_1.saveCheckpoint)(job.id, JSON.stringify(allSegments), info.index + 1, totalUnits, info.segment.startTime + info.segment.duration + (config.batchTimeMode ? 0.5 : 0.25), JSON.stringify(lastContext), progress);
+                    this.emitProgress(job.id);
+                }
+            });
+            // All segments from the result
+            const segments = result.segments || [];
+            // Combine audio segments into final audio (use the result's pre-combined file)
+            const outputAudio = result.audioDescriptionFile;
+            let outputSubtitlesSrt = null;
+            let outputSubtitlesVtt = null;
+            let outputMuxed = null;
+            const baseName = path_1.default.basename(job.video_path, path_1.default.extname(job.video_path));
+            const outputDir = config.outputDir;
+            if (outputOptions.subtitles && segments.length > 0) {
+                const srtPath = path_1.default.join(outputDir, `${baseName}_description.srt`);
+                const vttPath = path_1.default.join(outputDir, `${baseName}_description.vtt`);
+                fs_1.default.writeFileSync(srtPath, (0, subtitleGenerator_1.generateSRT)(segments, videoDuration));
+                fs_1.default.writeFileSync(vttPath, (0, subtitleGenerator_1.generateVTT)(segments, videoDuration));
+                outputSubtitlesSrt = srtPath;
+                outputSubtitlesVtt = vttPath;
+            }
+            if (outputOptions.muxed && fs_1.default.existsSync(outputAudio)) {
+                const muxedPath = path_1.default.join(outputDir, `${baseName}_described.mkv`);
+                (0, muxer_1.muxAudioDescription)(job.video_path, outputAudio, muxedPath);
+                outputMuxed = muxedPath;
+            }
+            (0, jobStore_1.saveJobOutputs)(job.id, {
+                audio: outputAudio,
+                subtitlesSrt: outputSubtitlesSrt || undefined,
+                subtitlesVtt: outputSubtitlesVtt || undefined,
+                muxed: outputMuxed || undefined
+            });
+            (0, jobStore_1.saveCheckpoint)(job.id, JSON.stringify(segments), totalUnits, totalUnits, 0, '{}', 100);
+            (0, jobStore_1.updateJobStatus)(job.id, 'completed');
+            this.emitProgress(job.id);
+        }
+        catch (err) {
+            if (err.message === 'JOB_PAUSED') {
+                (0, jobStore_1.updateJobStatus)(job.id, 'paused');
+                this.emitProgress(job.id);
+                return;
+            }
+            const errorMsg = err.message || 'Unknown error';
+            (0, jobStore_1.updateJobStatus)(job.id, 'failed', errorMsg);
+            this.emitProgress(job.id);
+        }
+    }
+}
+exports.JobManager = JobManager;
+//# sourceMappingURL=jobManager.js.map

dist/server/services/muxer.d.ts

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+export declare function muxAudioDescription(videoPath: string, audioPath: string, outputPath: string): void;

dist/server/services/muxer.js

@@ -0,0 +1,29 @@
+"use strict";
+var __importDefault = (this && this.__importDefault) || function (mod) {
+    return (mod && mod.__esModule) ? mod : { "default": mod };
+};
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.muxAudioDescription = muxAudioDescription;
+const child_process_1 = require("child_process");
+const path_1 = __importDefault(require("path"));
+function muxAudioDescription(videoPath, audioPath, outputPath) {
+    const ext = path_1.default.extname(outputPath).toLowerCase();
+    const isMkv = ext === '.mkv';
+    const cmd = [
+        'ffmpeg -v error',
+        `-i "${videoPath}"`,
+        `-i "${audioPath}"`,
+        '-map 0:v',
+        '-map 0:a?',
+        '-map 1:a',
+        '-c:v copy',
+        '-c:a copy',
+        isMkv
+            ? '-metadata:s:a:1 title="Audio Description"'
+            : '-metadata:s:a:1 title="Audio Description"',
+        `"${outputPath}"`,
+        '-y'
+    ].join(' ');
+    (0, child_process_1.execSync)(cmd);
+}
+//# sourceMappingURL=muxer.js.map

dist/server/services/muxer.js.map

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+{"version":3,"file":"muxer.js","sourceRoot":"","sources":["../../../src/server/services/muxer.ts"],"names":[],"mappings":";;;;;AAGA,kDAyBC;AA5BD,iDAAyC;AACzC,gDAAwB;AAExB,SAAgB,mBAAmB,CACjC,SAAiB,EACjB,SAAiB,EACjB,UAAkB;IAElB,MAAM,GAAG,GAAG,cAAI,CAAC,OAAO,CAAC,UAAU,CAAC,CAAC,WAAW,EAAE,CAAC;IACnD,MAAM,KAAK,GAAG,GAAG,KAAK,MAAM,CAAC;IAE7B,MAAM,GAAG,GAAG;QACV,iBAAiB;QACjB,OAAO,SAAS,GAAG;QACnB,OAAO,SAAS,GAAG;QACnB,UAAU;QACV,WAAW;QACX,UAAU;QACV,WAAW;QACX,WAAW;QACX,KAAK;YACH,CAAC,CAAC,2CAA2C;YAC7C,CAAC,CAAC,2CAA2C;QAC/C,IAAI,UAAU,GAAG;QACjB,IAAI;KACL,CAAC,IAAI,CAAC,GAAG,CAAC,CAAC;IAEZ,IAAA,wBAAQ,EAAC,GAAG,CAAC,CAAC;AAChB,CAAC"}

dist/server/services/subtitleGenerator.d.ts

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+import { AudioSegment } from '../../interfaces';
+export declare function generateSRT(segments: AudioSegment[], videoDuration: number): string;
+export declare function generateVTT(segments: AudioSegment[], videoDuration: number): string;

dist/server/services/subtitleGenerator.js

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+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.generateSRT = generateSRT;
+exports.generateVTT = generateVTT;
+function formatSrtTime(seconds) {
+    const h = Math.floor(seconds / 3600);
+    const m = Math.floor((seconds % 3600) / 60);
+    const s = Math.floor(seconds % 60);
+    const ms = Math.floor((seconds % 1) * 1000);
+    return `${h.toString().padStart(2, '0')}:${m.toString().padStart(2, '0')}:${s.toString().padStart(2, '0')},${ms.toString().padStart(3, '0')}`;
+}
+function formatVttTime(seconds) {
+    const h = Math.floor(seconds / 3600);
+    const m = Math.floor((seconds % 3600) / 60);
+    const s = Math.floor(seconds % 60);
+    const ms = Math.floor((seconds % 1) * 1000);
+    return `${h.toString().padStart(2, '0')}:${m.toString().padStart(2, '0')}:${s.toString().padStart(2, '0')}.${ms.toString().padStart(3, '0')}`;
+}
+function cleanDescription(text) {
+    return text.replace(/\n+/g, ' ').replace(/\s+/g, ' ').trim();
+}
+function generateSRT(segments, videoDuration) {
+    if (segments.length === 0)
+        return '';
+    const sorted = [...segments].sort((a, b) => a.startTime - b.startTime);
+    const lines = [];
+    for (let i = 0; i < sorted.length; i++) {
+        const seg = sorted[i];
+        const startTime = seg.startTime;
+        let endTime;
+        if (i < sorted.length - 1) {
+            endTime = sorted[i + 1].startTime;
+        }
+        else {
+            endTime = Math.min(seg.startTime + seg.duration + 0.5, videoDuration);
+        }
+        lines.push((i + 1).toString());
+        lines.push(`${formatSrtTime(startTime)} --> ${formatSrtTime(endTime)}`);
+        lines.push(cleanDescription(seg.description));
+        lines.push('');
+    }
+    return lines.join('\n');
+}
+function generateVTT(segments, videoDuration) {
+    if (segments.length === 0)
+        return '';
+    const sorted = [...segments].sort((a, b) => a.startTime - b.startTime);
+    const lines = ['WEBVTT', ''];
+    for (let i = 0; i < sorted.length; i++) {
+        const seg = sorted[i];
+        const startTime = seg.startTime;
+        let endTime;
+        if (i < sorted.length - 1) {
+            endTime = sorted[i + 1].startTime;
+        }
+        else {
+            endTime = Math.min(seg.startTime + seg.duration + 0.5, videoDuration);
+        }
+        lines.push(`${formatVttTime(startTime)} --> ${formatVttTime(endTime)}`);
+        lines.push(cleanDescription(seg.description));
+        lines.push('');
+    }
+    return lines.join('\n');
+}
+//# sourceMappingURL=subtitleGenerator.js.map

dist/server/services/subtitleGenerator.js.map

@@ -0,0 +1 @@
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dist/server/services/ytDlp.d.ts

@@ -0,0 +1,7 @@
+export interface YtDlpResult {
+    filePath: string;
+    filename: string;
+    title: string;
+}
+export declare function isYtDlpAvailable(): boolean;
+export declare function downloadVideo(url: string, outputDir: string): YtDlpResult;

dist/server/services/ytDlp.js

@@ -0,0 +1,38 @@
+"use strict";
+var __importDefault = (this && this.__importDefault) || function (mod) {
+    return (mod && mod.__esModule) ? mod : { "default": mod };
+};
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.isYtDlpAvailable = isYtDlpAvailable;
+exports.downloadVideo = downloadVideo;
+const child_process_1 = require("child_process");
+const path_1 = __importDefault(require("path"));
+const fs_1 = __importDefault(require("fs"));
+function isYtDlpAvailable() {
+    try {
+        (0, child_process_1.execSync)('yt-dlp --version', { stdio: 'pipe' });
+        return true;
+    }
+    catch {
+        return false;
+    }
+}
+function downloadVideo(url, outputDir) {
+    if (!fs_1.default.existsSync(outputDir)) {
+        fs_1.default.mkdirSync(outputDir, { recursive: true });
+    }
+    const outputTemplate = path_1.default.join(outputDir, '%(title)s.%(ext)s');
+    const result = (0, child_process_1.execSync)(`yt-dlp -f "best[ext=mp4]/best" -o "${outputTemplate}" --print filename --print title "${url}"`, { encoding: 'utf-8', timeout: 600000 });
+    const lines = result.trim().split('\n');
+    const filename = lines[0]?.trim();
+    const title = lines[1]?.trim() || filename;
+    if (!filename) {
+        throw new Error('yt-dlp: Failed to parse downloaded filename');
+    }
+    const filePath = path_1.default.resolve(outputDir, filename);
+    if (!fs_1.default.existsSync(filePath)) {
+        throw new Error(`yt-dlp: Downloaded file not found at ${filePath}`);
+    }
+    return { filePath, filename, title };
+}
+//# sourceMappingURL=ytDlp.js.map

dist/server/services/ytDlp.js.map

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