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Fix:FLAC files use mpegts segment type and force AAC transcode

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This commit is contained in:
advplyr 2022-02-06 17:31:04 -06:00
parent c0c4b1fa23
commit 6683301106
1 changed files with 10 additions and 5 deletions
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15
server/objects/Stream.js
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@ -63,9 +63,12 @@ class Stream extends EventEmitter {
return this.tracks[0].ext.toLowerCase().slice(1) return this.tracks[0].ext.toLowerCase().slice(1)
} }
// Fmp4 does not work on iOS devices: https://github.com/advplyr/audiobookshelf-app/issues/85
// Workaround: Force AAC transcode for FLAC
get hlsSegmentType() { get hlsSegmentType() {
var hasFlac = this.tracks.find(t => t.ext.toLowerCase() === '.flac') return 'mpegts'
return hasFlac ? 'fmp4' : 'mpegts' // var hasFlac = this.tracks.find(t => t.ext.toLowerCase() === '.flac')
// return hasFlac ? 'fmp4' : 'mpegts'
} }
get segmentBasename() { get segmentBasename() {
@ -333,7 +336,9 @@ class Stream extends EventEmitter {
} }
const logLevel = process.env.NODE_ENV === 'production' ? 'error' : 'warning' const logLevel = process.env.NODE_ENV === 'production' ? 'error' : 'warning'
const audioCodec = (this.hlsSegmentType === 'fmp4' || this.tracksAudioFileType === 'opus' || this.transcodeForceAAC) ? 'aac' : 'copy'
const audioCodec = (this.tracksAudioFileType === 'flac' || this.tracksAudioFileType === 'opus' || this.transcodeForceAAC) ? 'aac' : 'copy'
this.ffmpeg.addOption([ this.ffmpeg.addOption([
`-loglevel ${logLevel}`, `-loglevel ${logLevel}`,
'-map 0:a', '-map 0:a',
@ -354,8 +359,8 @@ class Stream extends EventEmitter {
] ]
if (this.hlsSegmentType === 'fmp4') { if (this.hlsSegmentType === 'fmp4') {
hlsOptions.push('-strict -2') hlsOptions.push('-strict -2')
// var fmp4InitFilename = Path.join(this.streamPath, 'init.mp4') var fmp4InitFilename = Path.join(this.streamPath, 'init.mp4')
var fmp4InitFilename = 'init.mp4' // var fmp4InitFilename = 'init.mp4'
hlsOptions.push(`-hls_fmp4_init_filename ${fmp4InitFilename}`) hlsOptions.push(`-hls_fmp4_init_filename ${fmp4InitFilename}`)
} }
this.ffmpeg.addOption(hlsOptions) this.ffmpeg.addOption(hlsOptions)