diff --git a/devices/nos/modules/subtitles/node-syncsub/main.ts b/devices/nos/modules/subtitles/node-syncsub/main.ts index 0a53375e..64616956 100755 --- a/devices/nos/modules/subtitles/node-syncsub/main.ts +++ b/devices/nos/modules/subtitles/node-syncsub/main.ts @@ -21,11 +21,12 @@ const SPAWN_OPTS = { * @param languages a comma-separated list of languages (3 letters) to sync the subtitles */ const DIR = process.argv[2]; -let langs = process.argv[3].split(','); +const LANGS = process.argv[3]?.split(','); +let langs: string[]; // Check if there are 2 params -if (DIR && langs) { +if (DIR && LANGS) { main(); } else { @@ -33,9 +34,9 @@ else { process.exit(1); } -const escapePath = (p: string) => p.replaceAll("'", "'\\''"); +const escapePath = (p: string): string => p.replaceAll("'", "'\\''"); -function getVideoPath(files: string[]) { +function getVideoPath(files: string[]): string[] { const fileName = DIR.split('/').at(-1) ?? ''; const videoFiles = files.filter((f) => @@ -46,10 +47,10 @@ function getVideoPath(files: string[]) { process.exit(0); } - return `${DIR}/${videoFiles[0]}`; + return videoFiles.map((file) => `${DIR}/${file}`); } -async function backupSubs(files: string[]) { +async function backupSubs(files: string[], base: string) { // Check if backup folder already exists and create it if not if (!files.some((f) => f.endsWith('.srt.bak'))) { await mkdir(`${DIR}/.srt.bak`); @@ -60,18 +61,19 @@ async function backupSubs(files: string[]) { // Remove synced subtitles from the list to sync // langs - backups - langs = langs.filter((n) => !backups - .some((s) => { - const l2 = s.split('.').at(-2) ?? ''; - const l3 = ISO6391To3.get(l2); + langs = langs + .filter((n) => !backups + .filter((l) => l.includes(base)) + .some((s) => { + const l2 = s.split('.').at(-2) ?? ''; + const l3 = ISO6391To3.get(l2); - return n === l3; - })); + return n === l3; + })); } if (langs.length === 0) { - console.warn('Subtitles have already been synced'); - process.exit(0); + console.warn(`Subtitles have already been synced for ${base}`); } } @@ -93,97 +95,101 @@ async function runSubSync( async function main() { const files = await readDir(DIR); - const VIDEO = getVideoPath(files); - const BASE_NAME = VIDEO.split('/').at(-1)?.replace(/\.[^.]*$/, ''); + const VIDEO_FILES = getVideoPath(files); - backupSubs(files); + VIDEO_FILES.forEach((VIDEO) => { + langs = LANGS; + const BASE_NAME = VIDEO.split('/').at(-1)!.replace(/\.[^.]*$/, ''); - // ffprobe the video file to see available audio tracks - ffProbe(VIDEO, (_e, data) => { - if (!data?.streams) { - console.error('Couldn\'t find streams in video file'); - process.exit(0); - } + backupSubs(files, BASE_NAME); - const AVAIL_LANGS = data.streams - .filter((s) => s.codec_type === 'audio') - .map((s) => s['tags'] && s['tags']['language']); - - // Sync subtitles one by one - langs.forEach(async(lang) => { - const FILE_NAME = `${BASE_NAME}.${ISO6393To1.get(lang)}.srt`; - const IN_FILE = `${DIR}/.srt.bak/${FILE_NAME}`; - const OUT_FILE = `${DIR}/${FILE_NAME}`; - - const cmd = [ - '--cli sync', - `--sub-lang ${lang}`, - - `--ref-stream-by-lang ${AVAIL_LANGS.includes(lang) ? - lang : - AVAIL_LANGS[0]}`, - '--ref-stream-by-type "audio"', - - `--sub '${escapePath(IN_FILE)}'`, - `--out '${escapePath(OUT_FILE)}'`, - `--ref '${escapePath(VIDEO)}'`, - ]; - - if (files.includes(FILE_NAME)) { - await mv(OUT_FILE, IN_FILE); - - runSubSync(cmd, IN_FILE, OUT_FILE); + // ffprobe the video file to see available audio tracks + ffProbe(VIDEO, (_e, data) => { + if (!data?.streams) { + console.error('Couldn\'t find streams in video file'); } else { - let subs = data.streams.filter((s) => { - return s['tags'] && - s['tags']['language'] && - s['tags']['language'] === lang && - s.codec_type === 'subtitle'; + const AVAIL_LANGS = data.streams + .filter((s) => s.codec_type === 'audio') + .map((s) => s['tags'] && s['tags']['language']); + + // Sync subtitles one by one + langs.forEach(async(lang) => { + const FILE_NAME = `${BASE_NAME}.${ISO6393To1.get(lang)}.srt`; + const IN_FILE = `${DIR}/.srt.bak/${FILE_NAME}`; + const OUT_FILE = `${DIR}/${FILE_NAME}`; + + const cmd = [ + '--cli sync', + `--sub-lang ${lang}`, + + `--ref-stream-by-lang ${AVAIL_LANGS.includes(lang) ? + lang : + AVAIL_LANGS[0]}`, + '--ref-stream-by-type "audio"', + + `--sub '${escapePath(IN_FILE)}'`, + `--out '${escapePath(OUT_FILE)}'`, + `--ref '${escapePath(VIDEO)}'`, + ]; + + if (files.includes(FILE_NAME)) { + await mv(OUT_FILE, IN_FILE); + + runSubSync(cmd, IN_FILE, OUT_FILE); + } + else { + let subs = data.streams.filter((s) => { + return s['tags'] && + s['tags']['language'] && + s['tags']['language'] === lang && + s.codec_type === 'subtitle'; + }); + + const pgs = subs.filter((s) => s.codec_name === 'hdmv_pgs_subtitle'); + + // If we only have PGS subs, warn user + if (pgs.length === subs.length) { + console.warn(`No SRT subtitle tracks were found for ${lang}`); + } + // Remove PGS streams from subs + subs = subs.filter((s) => s.codec_name !== 'hdmv_pgs_subtitle'); + + // Prefer normal subs + if (subs.length !== 1) { + subs = subs.filter((s) => s.disposition?.forced === 0); + } + + if (subs.length === 0) { + console.warn(`No subtitle tracks were found for ${lang}`); + } + else { + // Extract subtitle + spawn('ffmpeg', [ + '-i', `'${escapePath(VIDEO)}'`, + '-map', `"0:${subs[0].index}"`, `'${escapePath(IN_FILE)}'`, + ], SPAWN_OPTS); + + // Delete subtitle from video + spawn('mv', [ + `'${escapePath(VIDEO)}'`, + `'${escapePath(VIDEO)}.bak'`, + ], SPAWN_OPTS); + + spawn('ffmpeg', [ + '-i', `'${escapePath(VIDEO)}.bak'`, + '-map', '0', + '-map', `-0:${subs[0].index}`, + '-c', 'copy', `'${escapePath(VIDEO)}'`, + ], SPAWN_OPTS); + + spawn('rm', [`'${escapePath(VIDEO)}.bak'`], SPAWN_OPTS); + + // Sync extracted subtitle + runSubSync(cmd, IN_FILE, OUT_FILE); + } + } }); - - const pgs = subs.filter((s) => s.codec_name === 'hdmv_pgs_subtitle'); - - // If we only have PGS subs, warn user - if (pgs.length === subs.length) { - console.warn(`No SRT subtitle tracks were found for ${lang}`); - } - // Remove PGS streams from subs - subs = subs.filter((s) => s.codec_name !== 'hdmv_pgs_subtitle'); - - // Prefer normal subs - if (subs.length !== 1) { - subs = subs.filter((s) => s.disposition?.forced === 0); - } - - if (subs.length === 0) { - console.warn(`No subtitle tracks were found for ${lang}`); - } - else { - // Extract subtitle - spawn('ffmpeg', [ - '-i', `'${escapePath(VIDEO)}'`, - '-map', `"0:${subs[0].index}"`, `'${escapePath(IN_FILE)}'`, - ], SPAWN_OPTS); - - // Delete subtitle from video - spawn('mv', [ - `'${escapePath(VIDEO)}'`, - `'${escapePath(VIDEO)}.bak'`, - ], SPAWN_OPTS); - - spawn('ffmpeg', [ - '-i', `'${escapePath(VIDEO)}.bak'`, - '-map', '0', - '-map', `-0:${subs[0].index}`, - '-c', 'copy', `'${escapePath(VIDEO)}'`, - ], SPAWN_OPTS); - - spawn('rm', [`'${escapePath(VIDEO)}.bak'`], SPAWN_OPTS); - - // Sync extracted subtitle - runSubSync(cmd, IN_FILE, OUT_FILE); - } } }); });