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- Add config option for asking about file open #467 - Implement text/youtube segments import #458 - Implement CUE sheet import #458 - Implement XMEML import (Final Cut Pro / Davinci Resolve) - Allow import embedded chapters as segments #300
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,96 @@ | ||
| import fastXmlParser from 'fast-xml-parser'; | ||
| import i18n from 'i18next'; | ||
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| import csvParse from 'csv-parse'; | ||
| import pify from 'pify'; | ||
| import sortBy from 'lodash/sortBy'; | ||
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| const csvParseAsync = pify(csvParse); | ||
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| export async function parseCsv(str) { | ||
| const rows = await csvParseAsync(str, {}); | ||
| if (rows.length === 0) throw new Error(i18n.t('No rows found')); | ||
| if (!rows.every(row => row.length === 3)) throw new Error(i18n.t('One or more rows does not have 3 columns')); | ||
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| const mapped = rows | ||
| .map(([start, end, name]) => ({ | ||
| start: start === '' ? undefined : parseFloat(start, 10), | ||
| end: end === '' ? undefined : parseFloat(end, 10), | ||
| name, | ||
| })); | ||
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| if (!mapped.every(({ start, end }) => ( | ||
| (start === undefined || !Number.isNaN(start)) | ||
| && (end === undefined || !Number.isNaN(end)) | ||
| ))) { | ||
| console.log(mapped); | ||
| throw new Error(i18n.t('Invalid start or end value. Must contain a number of seconds')); | ||
| } | ||
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| return mapped; | ||
| } | ||
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| export function parseCuesheet(cuesheet) { | ||
| // There are 75 such frames per second of audio. | ||
| // https://en.wikipedia.org/wiki/Cue_sheet_(computing) | ||
| const fps = 75; | ||
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| const { tracks } = cuesheet.files[0]; | ||
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| function parseTime(track) { | ||
| const index = track.indexes[0]; | ||
| if (!index) return undefined; | ||
| const { time } = index; | ||
| if (!time) return undefined; | ||
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| return (time.min * 60) + time.sec + time.frame / fps; | ||
| } | ||
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| return tracks.map((track, i) => { | ||
| const nextTrack = tracks[i + 1]; | ||
| const end = nextTrack && parseTime(nextTrack); | ||
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| return { name: track.title, start: parseTime(track), end }; | ||
| }); | ||
| } | ||
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| // https://developer.apple.com/library/archive/documentation/AppleApplications/Reference/FinalCutPro_XML/VersionsoftheInterchangeFormat/VersionsoftheInterchangeFormat.html | ||
| export function parseXmeml(xmlStr) { | ||
| const xml = fastXmlParser.parse(xmlStr); | ||
| // TODO maybe support media.audio also? | ||
| return xml.xmeml.project.children.sequence.media.video.track.clipitem.map((item) => ({ start: item.start / item.rate.timebase, end: item.end / item.rate.timebase })); | ||
| } | ||
|
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| export function parseYouTube(str) { | ||
| const regex = /(?:([0-9]{2,}):)?([0-9]{2}):([0-9]{2})(?:\.([0-9]{3}))?[^\S\n]+([^\n]*)\n/g; | ||
|
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| const lines = []; | ||
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| function parseLine(match) { | ||
| if (!match) return undefined; | ||
| const [, hourStr, minStr, secStr, msStr, name] = match; | ||
| const hour = hourStr != null ? parseInt(hourStr, 10) : 0; | ||
| const min = parseInt(minStr, 10); | ||
| const sec = parseInt(secStr, 10); | ||
| const ms = msStr != null ? parseInt(msStr, 10) : 0; | ||
|
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| const time = (((hour * 60) + min) * 60 + sec) + ms / 1000; | ||
|
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| return { time, name }; | ||
| } | ||
|
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| let m; | ||
| // eslint-disable-next-line no-cond-assign | ||
| while ((m = regex.exec(`${str}\n`))) { | ||
| lines.push(parseLine(m)); | ||
| } | ||
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| const linesSorted = sortBy(lines, (l) => l.time); | ||
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| const edl = linesSorted.map((line, i) => { | ||
| const nextLine = linesSorted[i + 1]; | ||
| return { start: line.time, end: nextLine && nextLine.time, name: line.name }; | ||
| }); | ||
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| return edl.filter((ed) => ed.start !== ed.end); | ||
| } |
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