Mirrors/audiobookshelf
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Make required changes for mp3 embedding

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This commit is contained in:
mikiher 2024-06-30 15:45:25 +03:00
parent 6fbbc65edf
commit a21b1f3b16
2 changed files with 41 additions and 18 deletions
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2
server/managers/AudioMetadataManager.js
View File

@ -138,7 +138,7 @@ class AudioMetadataMangaer {
}
}
const success = await ffmpegHelpers.addCoverAndMetadataToFile(af.path, task.data.coverPath, ffmetadataPath, af.path)
const success = await ffmpegHelpers.addCoverAndMetadataToFile(af.path, task.data.coverPath, ffmetadataPath, task.data.mimeType)
if (success) {
Logger.info(`[AudioMetadataManager] Successfully tagged audio file "${af.path}"`)
}

57
server/utils/ffmpegHelpers.js
View File

@ -189,7 +189,7 @@ module.exports.downloadPodcastEpisode = (podcastEpisodeDownload) => {
/**
* Generates ffmetadata file content from the provided metadata object and chapters array.
* @param {Object} metadata - The input metadata object.
* @param {Array} chapters - An array of chapter objects.
* @param {Array|null} chapters - An array of chapter objects.
* @returns {string} - The ffmetadata file content.
*/
function generateFFMetadata(metadata, chapters) {
@ -203,15 +203,17 @@ function generateFFMetadata(metadata, chapters) {
}
// Add chapters
chapters.forEach((chapter) => {
ffmetadataContent += '\n[CHAPTER]\n'
ffmetadataContent += `TIMEBASE=1/1000\n`
ffmetadataContent += `START=${Math.floor(chapter.start * 1000)}\n`
ffmetadataContent += `END=${Math.floor(chapter.end * 1000)}\n`
if (chapter.title) {
ffmetadataContent += `title=${escapeFFMetadataValue(chapter.title)}\n`
}
})
if (chapters) {
chapters.forEach((chapter) => {
ffmetadataContent += '\n[CHAPTER]\n'
ffmetadataContent += `TIMEBASE=1/1000\n`
ffmetadataContent += `START=${Math.floor(chapter.start * 1000)}\n`
ffmetadataContent += `END=${Math.floor(chapter.end * 1000)}\n`
if (chapter.title) {
ffmetadataContent += `title=${escapeFFMetadataValue(chapter.title)}\n`
}
})
}
return ffmetadataContent
}
@ -223,19 +225,37 @@ module.exports.generateFFMetadata = generateFFMetadata
* @param {string} audioFilePath - Path to the input audio file.
* @param {string|null} coverFilePath - Path to the cover image file.
* @param {string} metadataFilePath - Path to the ffmetadata file.
* @param {string} mimeType - The MIME type of the audio file.
*/
async function addCoverAndMetadataToFile(audioFilePath, coverFilePath, metadataFilePath) {
async function addCoverAndMetadataToFile(audioFilePath, coverFilePath, metadataFilePath, mimeType) {
const isMp4 = mimeType === 'audio/mp4'
const isMp3 = mimeType === 'audio/mpeg'
const audioFileDir = Path.dirname(audioFilePath)
const audioFileExt = Path.extname(audioFilePath)
const audioFileBaseName = Path.basename(audioFilePath, audioFileExt)
const tempFilePath = Path.join(audioFileDir, `${audioFileBaseName}.tmp${audioFileExt}`)
return new Promise((resolve) => {
const tempFilePath = Path.join(os.tmpdir(), 'temp_output.m4b')
let ffmpeg = Ffmpeg()
ffmpeg.input(audioFilePath).input(metadataFilePath).outputOptions([
'-map 0:a', // map audio stream from input file
'-map_metadata 1', // map metadata from metadata file
'-map_metadata 1', // map metadata tags from metadata file first
'-map_metadata 0', // add additional metadata tags from input file
'-map_chapters 1', // map chapters from metadata file
'-c copy', // copy streams
'-f mp4' // force mp4 format
'-c copy' // copy streams
])
if (isMp4) {
ffmpeg.outputOptions([
'-f mp4' // force output format to mp4
])
} else if (isMp3) {
ffmpeg.outputOptions([
'-id3v2_version 3' // set ID3v2 version to 3
])
}
if (coverFilePath) {
ffmpeg.input(coverFilePath).outputOptions([
'-map 2:v', // map video stream from cover image file
@ -285,15 +305,18 @@ function getFFMetadataObject(libraryItem, audioFilesLength) {
const ffmetadata = {
title: metadata.title,
artist: metadata.authors?.map((a) => a.name).join(', '),
album_artist: metadata.authors?.map((a) => a.name).join(', '),
artist: metadata.authorName,
album_artist: metadata.authorName,
album: (metadata.title || '') + (metadata.subtitle ? `: ${metadata.subtitle}` : ''),
TIT3: metadata.subtitle, // mp3 only
genre: metadata.genres?.join('; '),
date: metadata.publishedYear,
comment: metadata.description,
description: metadata.description,
composer: metadata.narratorName,
copyright: metadata.publisher,
publisher: metadata.publisher, // mp3 only
TRACKTOTAL: `${audioFilesLength}`, // mp3 only
grouping: metadata.series?.map((s) => s.name + (s.sequence ? ` #${s.sequence}` : '')).join(', ')
}