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Fix: stream to use actual timestamp, update start time to tenth of second string #116

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advplyr 2021-10-24 11:32:52 -05:00
parent 1cca288031
commit ed80e15b7d
1 changed files with 9 additions and 1 deletions
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10
server/objects/Stream.js
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@ -241,13 +241,20 @@ class Stream extends EventEmitter {
var trackStartTime = await writeConcatFile(this.tracks, this.concatFilesPath, this.startTime)
this.ffmpeg.addInput(this.concatFilesPath)
// seek_timestamp : https://ffmpeg.org/ffmpeg.html
// the argument to the -ss option is considered an actual timestamp, and is not offset by the start time of the file
// note: this may result in the same thing as output seeking, fixes https://github.com/advplyr/audiobookshelf/issues/116
this.ffmpeg.inputOption('-seek_timestamp 1')
this.ffmpeg.inputFormat('concat')
this.ffmpeg.inputOption('-safe 0')
if (this.startTime > 0) {
const shiftedStartTime = this.startTime - trackStartTime
// Issues using exact fractional seconds i.e. 29.49814 - changing to 29.5s
var startTimeS = Math.round(shiftedStartTime * 10) / 10 + 's'
Logger.info(`[STREAM] Starting Stream at startTime ${secondsToTimestamp(this.startTime)} and Segment #${this.segmentStartNumber}`)
this.ffmpeg.inputOption(`-ss ${shiftedStartTime}`)
this.ffmpeg.inputOption(`-ss ${startTimeS}`)
this.ffmpeg.inputOption('-noaccurate_seek')
}
@ -262,6 +269,7 @@ class Stream extends EventEmitter {
'-f hls',
"-copyts",
"-avoid_negative_ts make_non_negative",
// '-start_at_zero',
"-max_delay 5000000",
"-max_muxing_queue_size 2048",
`-hls_time 6`,