96 lines
2.9 KiB
TypeScript
96 lines
2.9 KiB
TypeScript
import { FfmpegCommand } from 'fluent-ffmpeg'
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import { getFFmpegCommandWrapperOptions } from '@server/helpers/ffmpeg'
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import { logger } from '@server/helpers/logger'
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import { CONFIG } from '@server/initializers/config'
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import { VIDEO_LIVE } from '@server/initializers/constants'
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import { VideoTranscodingProfilesManager } from '@server/lib/transcoding/default-transcoding-profiles'
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import { FFmpegLive } from '@shared/ffmpeg'
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import { getLiveSegmentTime } from '../../live-utils'
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import { AbstractTranscodingWrapper } from './abstract-transcoding-wrapper'
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export class FFmpegTranscodingWrapper extends AbstractTranscodingWrapper {
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private ffmpegCommand: FfmpegCommand
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private ended = false
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async run () {
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this.ffmpegCommand = CONFIG.LIVE.TRANSCODING.ENABLED
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? await this.buildFFmpegLive().getLiveTranscodingCommand({
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inputUrl: this.inputUrl,
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outPath: this.outDirectory,
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masterPlaylistName: this.streamingPlaylist.playlistFilename,
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segmentListSize: this.segmentListSize,
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segmentDuration: this.segmentDuration,
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toTranscode: this.toTranscode,
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bitrate: this.bitrate,
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ratio: this.ratio,
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hasAudio: this.hasAudio
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})
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: this.buildFFmpegLive().getLiveMuxingCommand({
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inputUrl: this.inputUrl,
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outPath: this.outDirectory,
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masterPlaylistName: this.streamingPlaylist.playlistFilename,
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segmentListSize: VIDEO_LIVE.SEGMENTS_LIST_SIZE,
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segmentDuration: getLiveSegmentTime(this.videoLive.latencyMode)
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})
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logger.info('Running local live muxing/transcoding for %s.', this.videoUUID, this.lTags())
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this.ffmpegCommand.run()
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let ffmpegShellCommand: string
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this.ffmpegCommand.on('start', cmdline => {
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ffmpegShellCommand = cmdline
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logger.debug('Running ffmpeg command for live', { ffmpegShellCommand, ...this.lTags() })
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})
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this.ffmpegCommand.on('error', (err, stdout, stderr) => {
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this.onFFmpegError({ err, stdout, stderr, ffmpegShellCommand })
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})
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this.ffmpegCommand.on('end', () => {
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this.onFFmpegEnded()
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})
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this.ffmpegCommand.run()
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}
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abort () {
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// Nothing to do, ffmpeg will automatically exit
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}
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private onFFmpegError (options: {
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err: any
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stdout: string
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stderr: string
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ffmpegShellCommand: string
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}) {
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const { err, stdout, stderr, ffmpegShellCommand } = options
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// Don't care that we killed the ffmpeg process
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if (err?.message?.includes('Exiting normally')) return
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logger.error('FFmpeg transcoding error.', { err, stdout, stderr, ffmpegShellCommand, ...this.lTags() })
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this.emit('error', { err })
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}
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private onFFmpegEnded () {
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if (this.ended) return
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this.ended = true
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this.emit('end')
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}
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private buildFFmpegLive () {
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return new FFmpegLive(getFFmpegCommandWrapperOptions('live', VideoTranscodingProfilesManager.Instance.getAvailableEncoders()))
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}
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}
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