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Fix:Force AAC when transcoding ALAC audio file streams #1372

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advplyr
2023-01-07 15:58:57 -06:00
parent 7a7708403f
commit ff10287d05
4 changed files with 22 additions and 4 deletions
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19
server/objects/Stream.js
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@ -71,6 +71,10 @@ class Stream extends EventEmitter {
if (!this.tracks.length) return null
return this.tracks[0].mimeType
}
get tracksCodec() {
if (!this.tracks.length) return null
return this.tracks[0].codec
}
get mimeTypesToForceAAC() {
return [
AudioMimeType.FLAC,
@ -81,6 +85,11 @@ class Stream extends EventEmitter {
AudioMimeType.WEBMA
]
}
get codecsToForceAAC() {
return [
'alac'
]
}
get userToken() {
return this.user.token
}
@ -130,7 +139,7 @@ class Stream extends EventEmitter {
}
async checkSegmentNumberRequest(segNum) {
var segStartTime = segNum * this.segmentLength
const segStartTime = segNum * this.segmentLength
if (this.startTime > segStartTime) {
Logger.warn(`[STREAM] Segment #${segNum} Request @${secondsToTimestamp(segStartTime)} is before start time (${secondsToTimestamp(this.startTime)}) - Reset Transcode`)
await this.reset(segStartTime - (this.segmentLength * 2))
@ -139,7 +148,7 @@ class Stream extends EventEmitter {
return false
}
var distanceFromFurthestSegment = segNum - this.furthestSegmentCreated
const distanceFromFurthestSegment = segNum - this.furthestSegmentCreated
if (distanceFromFurthestSegment > 10) {
Logger.info(`Segment #${segNum} requested is ${distanceFromFurthestSegment} segments from latest (${secondsToTimestamp(segStartTime)}) - Reset Transcode`)
await this.reset(segStartTime - (this.segmentLength * 2))
@ -264,7 +273,11 @@ class Stream extends EventEmitter {
const logLevel = process.env.NODE_ENV === 'production' ? 'error' : 'warning'
const audioCodec = (this.mimeTypesToForceAAC.includes(this.tracksMimeType) || this.transcodeForceAAC) ? 'aac' : 'copy'
let audioCodec = 'copy'
if (this.transcodeForceAAC || this.mimeTypesToForceAAC.includes(this.tracksMimeType) || this.codecsToForceAAC.includes(this.tracksCodec)) {
Logger.debug(`[Stream] Forcing AAC for tracks with mime type ${this.tracksMimeType} and codec ${this.tracksCodec}`)
audioCodec = 'aac'
}
this.ffmpeg.addOption([
`-loglevel ${logLevel}`,