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https://github.com/anidl/multi-downloader-nx.git
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chapter with ffmpeg
- Convert chapters to ffmpeg format when using ffmpeg as muxer - Chapter names no longer have Start or End - Recap chapters are ignored for now. They were rarely used anyway.
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dok1100
GitHub
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commit
e6c71ee226
3 changed files with 99 additions and 20 deletions
58
crunchy.ts
58
crunchy.ts
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@ -1558,12 +1558,12 @@ export default class Crunchy implements ServiceClass {
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if (chapterData.startTime > 1) {
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compiledChapters.push(
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`CHAPTER${(compiledChapters.length/2)+1}=00:00:00.00`,
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`CHAPTER${(compiledChapters.length/2)+1}NAME=Prologue`
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`CHAPTER${(compiledChapters.length/2)+1}NAME=Episode`
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);
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}
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compiledChapters.push(
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`CHAPTER${(compiledChapters.length/2)+1}=${startFormatted}`,
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`CHAPTER${(compiledChapters.length/2)+1}NAME=Opening`
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`CHAPTER${(compiledChapters.length/2)+1}NAME=Intro`
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);
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compiledChapters.push(
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`CHAPTER${(compiledChapters.length/2)+1}=${endFormatted}`,
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@ -1586,7 +1586,8 @@ export default class Crunchy implements ServiceClass {
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if (chapters.length > 0) {
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chapters.sort((a, b) => a.start - b.start);
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//Check if chapters has an intro
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if (!(chapters.find(c => c.type === 'intro') || chapters.find(c => c.type === 'recap'))) {
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//if (!(chapters.find(c => c.type === 'intro') || chapters.find(c => c.type === 'recap'))) {
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if (!(chapters.find(c => c.type === 'intro'))) {
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compiledChapters.push(
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`CHAPTER${(compiledChapters.length/2)+1}=00:00:00.00`,
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`CHAPTER${(compiledChapters.length/2)+1}NAME=Episode`
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@ -1602,32 +1603,53 @@ export default class Crunchy implements ServiceClass {
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endTime.setSeconds(chapter.end);
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const startFormatted = startTime.toISOString().substring(11, 19)+'.00';
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const endFormatted = endTime.toISOString().substring(11, 19)+'.00';
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//Find the max start time from the chapters
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const maxStart = Math.max(
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...chapters
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.map(obj => obj.start)
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.filter((start): start is number => start !== null && start !== undefined)
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);
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//We need the duration of the ep
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let epDuration: number | undefined;
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const epiMeta = await this.req.getData(`${api.cms}/objects/${currentMediaId}?force_locale=&preferred_audio_language=ja-JP&locale=${this.locale}`, AuthHeaders);
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if(!epiMeta.ok || !epiMeta.res){
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console.warn('EP Meta info Request FAILED! Maybe the chapters are not working properly...');
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epDuration = 7200;
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} else {
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epDuration = Math.floor((await epiMeta.res.json()).data[0].episode_metadata.duration_ms / 1000 - 3);
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}
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//Push generated chapters
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if (chapter.type == 'intro') {
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if (chapter.start > 0) {
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compiledChapters.push(
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`CHAPTER${(compiledChapters.length/2)+1}=00:00:00.00`,
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`CHAPTER${(compiledChapters.length/2)+1}NAME=Prologue`
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`CHAPTER${(compiledChapters.length/2)+1}NAME=Episode`
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);
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}
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compiledChapters.push(
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`CHAPTER${(compiledChapters.length/2)+1}=${startFormatted}`,
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`CHAPTER${(compiledChapters.length/2)+1}NAME=Opening`
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);
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compiledChapters.push(
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`CHAPTER${(compiledChapters.length/2)+1}=${endFormatted}`,
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`CHAPTER${(compiledChapters.length/2)+1}NAME=Episode`
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`CHAPTER${(compiledChapters.length/2)+1}NAME=${chapter.type.charAt(0).toUpperCase() + chapter.type.slice(1)}`
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);
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if (chapter.end < epDuration && chapter.end != maxStart) {
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compiledChapters.push(
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`CHAPTER${(compiledChapters.length/2)+1}=${endFormatted}`,
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`CHAPTER${(compiledChapters.length/2)+1}NAME=Episode`
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);
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}
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} else {
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compiledChapters.push(
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`CHAPTER${(compiledChapters.length/2)+1}=${startFormatted}`,
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`CHAPTER${(compiledChapters.length/2)+1}NAME=${chapter.type.charAt(0).toUpperCase() + chapter.type.slice(1)} Start`
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);
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compiledChapters.push(
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`CHAPTER${(compiledChapters.length/2)+1}=${endFormatted}`,
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`CHAPTER${(compiledChapters.length/2)+1}NAME=${chapter.type.charAt(0).toUpperCase() + chapter.type.slice(1)} End`
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);
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if (chapter.type !== 'recap') {
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compiledChapters.push(
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`CHAPTER${(compiledChapters.length/2)+1}=${startFormatted}`,
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`CHAPTER${(compiledChapters.length/2)+1}NAME=${chapter.type.charAt(0).toUpperCase() + chapter.type.slice(1)}`
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);
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if (chapter.end < epDuration && chapter.end != maxStart) {
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compiledChapters.push(
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`CHAPTER${(compiledChapters.length/2)+1}=${endFormatted}`,
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`CHAPTER${(compiledChapters.length/2)+1}NAME=Episode`
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);
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}
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}
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}
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}
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}
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51
modules/module.ffmpegChapter.ts
Normal file
51
modules/module.ffmpegChapter.ts
Normal file
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@ -0,0 +1,51 @@
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import fs from 'fs';
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export function convertChaptersToFFmpegFormat(inputFilePath: string): string {
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const content = fs.readFileSync(inputFilePath, 'utf-8');
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const chapterMatches = Array.from(content.matchAll(/CHAPTER(\d+)=([\d:.]+)/g));
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const nameMatches = Array.from(content.matchAll(/CHAPTER(\d+)NAME=([^\n]+)/g));
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const chapters = chapterMatches.map((m) => ({
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index: parseInt(m[1], 10),
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time: m[2],
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})).sort((a, b) => a.index - b.index);
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const nameDict: Record<number, string> = {};
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nameMatches.forEach((m) => {
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nameDict[parseInt(m[1], 10)] = m[2];
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});
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let ffmpegContent = ';FFMETADATA1\n';
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let startTimeInNs = 0;
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for (let i = 0; i < chapters.length; i++) {
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const chapterStartTime = timeToNanoSeconds(chapters[i].time);
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const chapterEndTime = (i + 1 < chapters.length)
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? timeToNanoSeconds(chapters[i + 1].time)
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: chapterStartTime + 1000000000;
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const chapterName = nameDict[chapters[i].index] || `Chapter ${chapters[i].index}`;
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ffmpegContent += '[CHAPTER]\n';
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ffmpegContent += 'TIMEBASE=1/1000000000\n';
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ffmpegContent += `START=${startTimeInNs}\n`;
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ffmpegContent += `END=${chapterEndTime}\n`;
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ffmpegContent += `title=${chapterName}\n`;
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startTimeInNs = chapterEndTime;
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}
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return ffmpegContent;
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}
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export function timeToNanoSeconds(time: string): number {
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const parts = time.split(':');
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const hours = parseInt(parts[0], 10);
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const minutes = parseInt(parts[1], 10);
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const secondsAndMs = parts[2].split('.');
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const seconds = parseInt(secondsAndMs[0], 10);
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const milliseconds = parseInt(secondsAndMs[1], 10);
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return (hours * 3600 + minutes * 60 + seconds) * 1000000000 + milliseconds * 1000000;
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}
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@ -8,6 +8,7 @@ import { AvailableMuxer } from './module.args';
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import { console } from './log';
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import ffprobe from 'ffprobe';
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import Helper from './module.helper';
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import { convertChaptersToFFmpegFormat } from './module.ffmpegChapter';
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export type MergerInput = {
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path: string,
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@ -164,6 +165,13 @@ class Merger {
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args.push(`-i "${sub.file}"`);
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}
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if (this.options.chapters && this.options.chapters.length > 0) {
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const chapterFilePath = this.options.chapters[0].path;
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const chapterData = convertChaptersToFFmpegFormat(this.options.chapters[0].path);
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fs.writeFileSync(chapterFilePath, chapterData, 'utf-8');
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args.push(`-i "${chapterFilePath}" -map_metadata 1`);
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}
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if (this.options.output.split('.').pop() === 'mkv') {
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if (this.options.fonts) {
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let fontIndex = 0;
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@ -174,8 +182,6 @@ class Merger {
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}
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}
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//TODO: Make it possible for chapters to work with ffmpeg merging
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args.push(...metaData);
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args.push(...this.options.subtitles.map((_, subIndex) => `-map ${subIndex + index}`));
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args.push(
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