import * as ffmpeg from 'fluent-ffmpeg'
-import { join } from 'path'
-import { VideoResolution } from '../../shared/models/videos'
-import { CONFIG, FFMPEG_NICE, VIDEO_TRANSCODING_FPS } from '../initializers'
+import { readFile, remove, writeFile } from 'fs-extra'
+import { dirname, join } from 'path'
+import { getTargetBitrate, VideoResolution } from '../../shared/models/videos'
+import { checkFFmpegEncoders } from '../initializers/checker-before-init'
+import { CONFIG } from '../initializers/config'
+import { FFMPEG_NICE, VIDEO_LIVE, VIDEO_TRANSCODING_FPS } from '../initializers/constants'
+import { getAudioStream, getClosestFramerateStandard, getMaxAudioBitrate, getVideoFileFPS } from './ffprobe-utils'
import { processImage } from './image-utils'
import { logger } from './logger'
-import { checkFFmpegEncoders } from '../initializers/checker-before-init'
-import { remove } from 'fs-extra'
-
-function computeResolutionsToTranscode (videoFileHeight: number) {
- const resolutionsEnabled: number[] = []
- const configResolutions = CONFIG.TRANSCODING.RESOLUTIONS
-
- // Put in the order we want to proceed jobs
- const resolutions = [
- VideoResolution.H_480P,
- VideoResolution.H_360P,
- VideoResolution.H_720P,
- VideoResolution.H_240P,
- VideoResolution.H_1080P
- ]
-
- for (const resolution of resolutions) {
- if (configResolutions[ resolution + 'p' ] === true && videoFileHeight > resolution) {
- resolutionsEnabled.push(resolution)
- }
- }
-
- return resolutionsEnabled
-}
-
-async function getVideoFileResolution (path: string) {
- const videoStream = await getVideoFileStream(path)
-
- return {
- videoFileResolution: Math.min(videoStream.height, videoStream.width),
- isPortraitMode: videoStream.height > videoStream.width
- }
-}
-
-async function getVideoFileFPS (path: string) {
- const videoStream = await getVideoFileStream(path)
-
- for (const key of [ 'r_frame_rate' , 'avg_frame_rate' ]) {
- const valuesText: string = videoStream[key]
- if (!valuesText) continue
-
- const [ frames, seconds ] = valuesText.split('/')
- if (!frames || !seconds) continue
-
- const result = parseInt(frames, 10) / parseInt(seconds, 10)
- if (result > 0) return Math.round(result)
- }
-
- return 0
-}
-
-function getDurationFromVideoFile (path: string) {
- return new Promise<number>((res, rej) => {
- ffmpeg.ffprobe(path, (err, metadata) => {
- if (err) return rej(err)
-
- return res(Math.floor(metadata.format.duration))
- })
- })
-}
async function generateImageFromVideoFile (fromPath: string, folder: string, imageName: string, size: { width: number, height: number }) {
const pendingImageName = 'pending-' + imageName
})
const destination = join(folder, imageName)
- await processImage({ path: pendingImagePath }, destination, size)
+ await processImage(pendingImagePath, destination, size)
} catch (err) {
logger.error('Cannot generate image from video %s.', fromPath, { err })
}
}
-type TranscodeOptions = {
+// ---------------------------------------------------------------------------
+// Transcode meta function
+// ---------------------------------------------------------------------------
+
+type TranscodeOptionsType = 'hls' | 'quick-transcode' | 'video' | 'merge-audio' | 'only-audio'
+
+interface BaseTranscodeOptions {
+ type: TranscodeOptionsType
inputPath: string
outputPath: string
- resolution?: VideoResolution
+ resolution: VideoResolution
isPortraitMode?: boolean
}
-function transcode (options: TranscodeOptions) {
+interface HLSTranscodeOptions extends BaseTranscodeOptions {
+ type: 'hls'
+ copyCodecs: boolean
+ hlsPlaylist: {
+ videoFilename: string
+ }
+}
+
+interface QuickTranscodeOptions extends BaseTranscodeOptions {
+ type: 'quick-transcode'
+}
+
+interface VideoTranscodeOptions extends BaseTranscodeOptions {
+ type: 'video'
+}
+
+interface MergeAudioTranscodeOptions extends BaseTranscodeOptions {
+ type: 'merge-audio'
+ audioPath: string
+}
+
+interface OnlyAudioTranscodeOptions extends BaseTranscodeOptions {
+ type: 'only-audio'
+}
+
+type TranscodeOptions =
+ HLSTranscodeOptions
+ | VideoTranscodeOptions
+ | MergeAudioTranscodeOptions
+ | OnlyAudioTranscodeOptions
+ | QuickTranscodeOptions
+
+const builders: {
+ [ type in TranscodeOptionsType ]: (c: ffmpeg.FfmpegCommand, o?: TranscodeOptions) => Promise<ffmpeg.FfmpegCommand> | ffmpeg.FfmpegCommand
+} = {
+ 'quick-transcode': buildQuickTranscodeCommand,
+ 'hls': buildHLSVODCommand,
+ 'merge-audio': buildAudioMergeCommand,
+ 'only-audio': buildOnlyAudioCommand,
+ 'video': buildx264Command
+}
+
+async function transcode (options: TranscodeOptions) {
+ logger.debug('Will run transcode.', { options })
+
+ let command = getFFmpeg(options.inputPath)
+ .output(options.outputPath)
+
+ command = await builders[options.type](command, options)
+
+ await runCommand(command)
+
+ await fixHLSPlaylistIfNeeded(options)
+}
+
+function convertWebPToJPG (path: string, destination: string): Promise<void> {
return new Promise<void>(async (res, rej) => {
- let command = ffmpeg(options.inputPath, { niceness: FFMPEG_NICE.TRANSCODING })
- .output(options.outputPath)
- .preset(standard)
+ try {
+ const command = ffmpeg(path).output(destination)
- if (CONFIG.TRANSCODING.THREADS > 0) {
- // if we don't set any threads ffmpeg will chose automatically
- command = command.outputOption('-threads ' + CONFIG.TRANSCODING.THREADS)
+ command.on('error', (err, stdout, stderr) => {
+ logger.error('Error in ffmpeg webp convert process.', { stdout, stderr })
+ return rej(err)
+ })
+ .on('end', () => res())
+ .run()
+ } catch (err) {
+ return rej(err)
}
+ })
+}
- let fps = await getVideoFileFPS(options.inputPath)
- if (options.resolution !== undefined) {
- // '?x720' or '720x?' for example
- const size = options.isPortraitMode === true ? `${options.resolution}x?` : `?x${options.resolution}`
- command = command.size(size)
-
- // On small/medium resolutions, limit FPS
- if (
- options.resolution < VIDEO_TRANSCODING_FPS.KEEP_ORIGIN_FPS_RESOLUTION_MIN &&
- fps > VIDEO_TRANSCODING_FPS.AVERAGE
- ) {
- fps = VIDEO_TRANSCODING_FPS.AVERAGE
- }
+function processGIF (
+ path: string,
+ destination: string,
+ newSize: { width: number, height: number },
+ keepOriginal = false
+): Promise<void> {
+ return new Promise<void>(async (res, rej) => {
+ if (path === destination) {
+ throw new Error('FFmpeg needs an input path different that the output path.')
}
- if (fps) {
- // Hard FPS limits
- if (fps > VIDEO_TRANSCODING_FPS.MAX) fps = VIDEO_TRANSCODING_FPS.MAX
- else if (fps < VIDEO_TRANSCODING_FPS.MIN) fps = VIDEO_TRANSCODING_FPS.MIN
+ logger.debug('Processing gif %s to %s.', path, destination)
- command = command.withFPS(fps)
- }
+ try {
+ const command = ffmpeg(path)
+ .fps(20)
+ .size(`${newSize.width}x${newSize.height}`)
+ .output(destination)
- command
- .on('error', (err, stdout, stderr) => {
- logger.error('Error in transcoding job.', { stdout, stderr })
+ command.on('error', (err, stdout, stderr) => {
+ logger.error('Error in ffmpeg gif resizing process.', { stdout, stderr })
return rej(err)
})
- .on('end', res)
+ .on('end', async () => {
+ if (keepOriginal !== true) await remove(path)
+ res()
+ })
.run()
+ } catch (err) {
+ return rej(err)
+ }
+ })
+}
+
+function runLiveTranscoding (rtmpUrl: string, outPath: string, resolutions: number[], fps, deleteSegments: boolean) {
+ const command = getFFmpeg(rtmpUrl)
+ command.inputOption('-fflags nobuffer')
+
+ const varStreamMap: string[] = []
+
+ command.complexFilter([
+ {
+ inputs: '[v:0]',
+ filter: 'split',
+ options: resolutions.length,
+ outputs: resolutions.map(r => `vtemp${r}`)
+ },
+
+ ...resolutions.map(r => ({
+ inputs: `vtemp${r}`,
+ filter: 'scale',
+ options: `w=-2:h=${r}`,
+ outputs: `vout${r}`
+ }))
+ ])
+
+ command.outputOption('-b_strategy 1')
+ command.outputOption('-bf 16')
+ command.outputOption('-preset superfast')
+ command.outputOption('-level 3.1')
+ command.outputOption('-map_metadata -1')
+ command.outputOption('-pix_fmt yuv420p')
+ command.outputOption('-max_muxing_queue_size 1024')
+ command.outputOption('-g ' + (fps * 2))
+
+ for (let i = 0; i < resolutions.length; i++) {
+ const resolution = resolutions[i]
+
+ command.outputOption(`-map [vout${resolution}]`)
+ command.outputOption(`-c:v:${i} libx264`)
+ command.outputOption(`-b:v:${i} ${getTargetBitrate(resolution, fps, VIDEO_TRANSCODING_FPS)}`)
+
+ command.outputOption(`-map a:0`)
+ command.outputOption(`-c:a:${i} aac`)
+
+ varStreamMap.push(`v:${i},a:${i}`)
+ }
+
+ addDefaultLiveHLSParams(command, outPath, deleteSegments)
+
+ command.outputOption('-var_stream_map', varStreamMap.join(' '))
+
+ command.run()
+
+ return command
+}
+
+function runLiveMuxing (rtmpUrl: string, outPath: string, deleteSegments: boolean) {
+ const command = getFFmpeg(rtmpUrl)
+ command.inputOption('-fflags nobuffer')
+
+ command.outputOption('-c:v copy')
+ command.outputOption('-c:a copy')
+ command.outputOption('-map 0:a?')
+ command.outputOption('-map 0:v?')
+
+ addDefaultLiveHLSParams(command, outPath, deleteSegments)
+
+ command.run()
+
+ return command
+}
+
+async function hlsPlaylistToFragmentedMP4 (hlsDirectory: string, segmentFiles: string[], outputPath: string) {
+ const concatFilePath = join(hlsDirectory, 'concat.txt')
+
+ function cleaner () {
+ remove(concatFilePath)
+ .catch(err => logger.error('Cannot remove concat file in %s.', hlsDirectory, { err }))
+ }
+
+ // First concat the ts files to a mp4 file
+ const content = segmentFiles.map(f => 'file ' + f)
+ .join('\n')
+
+ await writeFile(concatFilePath, content + '\n')
+
+ const command = getFFmpeg(concatFilePath)
+ command.inputOption('-safe 0')
+ command.inputOption('-f concat')
+
+ command.outputOption('-c:v copy')
+ command.audioFilter('aresample=async=1:first_pts=0')
+ command.output(outputPath)
+
+ return runCommand(command, cleaner)
+}
+
+async function runCommand (command: ffmpeg.FfmpegCommand, onEnd?: Function) {
+ return new Promise<string>((res, rej) => {
+ command.on('error', (err, stdout, stderr) => {
+ if (onEnd) onEnd()
+
+ logger.error('Error in transcoding job.', { stdout, stderr })
+ rej(err)
+ })
+
+ command.on('end', () => {
+ if (onEnd) onEnd()
+
+ res()
+ })
+
+ command.run()
})
}
// ---------------------------------------------------------------------------
export {
- getVideoFileResolution,
- getDurationFromVideoFile,
+ runLiveMuxing,
+ convertWebPToJPG,
+ processGIF,
+ runLiveTranscoding,
generateImageFromVideoFile,
+ TranscodeOptions,
+ TranscodeOptionsType,
transcode,
- getVideoFileFPS,
- computeResolutionsToTranscode,
- audio
+ hlsPlaylistToFragmentedMP4
}
// ---------------------------------------------------------------------------
-function getVideoFileStream (path: string) {
- return new Promise<any>((res, rej) => {
- ffmpeg.ffprobe(path, (err, metadata) => {
- if (err) return rej(err)
+function addDefaultX264Params (command: ffmpeg.FfmpegCommand) {
+ command.outputOption('-level 3.1') // 3.1 is the minimal resource allocation for our highest supported resolution
+ .outputOption('-b_strategy 1') // NOTE: b-strategy 1 - heuristic algorithm, 16 is optimal B-frames for it
+ .outputOption('-bf 16') // NOTE: Why 16: https://github.com/Chocobozzz/PeerTube/pull/774. b-strategy 2 -> B-frames<16
+ .outputOption('-pix_fmt yuv420p') // allows import of source material with incompatible pixel formats (e.g. MJPEG video)
+ .outputOption('-map_metadata -1') // strip all metadata
+}
- const videoStream = metadata.streams.find(s => s.codec_type === 'video')
- if (!videoStream) throw new Error('Cannot find video stream of ' + path)
+function addDefaultLiveHLSParams (command: ffmpeg.FfmpegCommand, outPath: string, deleteSegments: boolean) {
+ command.outputOption('-hls_time ' + VIDEO_LIVE.SEGMENT_TIME_SECONDS)
+ command.outputOption('-hls_list_size ' + VIDEO_LIVE.SEGMENTS_LIST_SIZE)
- return res(videoStream)
- })
- })
+ if (deleteSegments === true) {
+ command.outputOption('-hls_flags delete_segments')
+ }
+
+ command.outputOption(`-hls_segment_filename ${join(outPath, '%v-%06d.ts')}`)
+ command.outputOption('-master_pl_name master.m3u8')
+ command.outputOption(`-f hls`)
+
+ command.output(join(outPath, '%v.m3u8'))
+}
+
+async function buildx264Command (command: ffmpeg.FfmpegCommand, options: TranscodeOptions) {
+ let fps = await getVideoFileFPS(options.inputPath)
+ if (
+ // On small/medium resolutions, limit FPS
+ options.resolution !== undefined &&
+ options.resolution < VIDEO_TRANSCODING_FPS.KEEP_ORIGIN_FPS_RESOLUTION_MIN &&
+ fps > VIDEO_TRANSCODING_FPS.AVERAGE
+ ) {
+ // Get closest standard framerate by modulo: downsampling has to be done to a divisor of the nominal fps value
+ fps = getClosestFramerateStandard(fps, 'STANDARD')
+ }
+
+ command = await presetH264(command, options.inputPath, options.resolution, fps)
+
+ if (options.resolution !== undefined) {
+ // '?x720' or '720x?' for example
+ const size = options.isPortraitMode === true ? `${options.resolution}x?` : `?x${options.resolution}`
+ command = command.size(size)
+ }
+
+ if (fps) {
+ // Hard FPS limits
+ if (fps > VIDEO_TRANSCODING_FPS.MAX) fps = getClosestFramerateStandard(fps, 'HD_STANDARD')
+ else if (fps < VIDEO_TRANSCODING_FPS.MIN) fps = VIDEO_TRANSCODING_FPS.MIN
+
+ command = command.withFPS(fps)
+ }
+
+ return command
+}
+
+async function buildAudioMergeCommand (command: ffmpeg.FfmpegCommand, options: MergeAudioTranscodeOptions) {
+ command = command.loop(undefined)
+
+ command = await presetH264VeryFast(command, options.audioPath, options.resolution)
+
+ command = command.input(options.audioPath)
+ .videoFilter('scale=trunc(iw/2)*2:trunc(ih/2)*2') // Avoid "height not divisible by 2" error
+ .outputOption('-tune stillimage')
+ .outputOption('-shortest')
+
+ return command
+}
+
+function buildOnlyAudioCommand (command: ffmpeg.FfmpegCommand, _options: OnlyAudioTranscodeOptions) {
+ command = presetOnlyAudio(command)
+
+ return command
+}
+
+function buildQuickTranscodeCommand (command: ffmpeg.FfmpegCommand) {
+ command = presetCopy(command)
+
+ command = command.outputOption('-map_metadata -1') // strip all metadata
+ .outputOption('-movflags faststart')
+
+ return command
+}
+
+async function buildHLSVODCommand (command: ffmpeg.FfmpegCommand, options: HLSTranscodeOptions) {
+ const videoPath = getHLSVideoPath(options)
+
+ if (options.copyCodecs) command = presetCopy(command)
+ else if (options.resolution === VideoResolution.H_NOVIDEO) command = presetOnlyAudio(command)
+ else command = await buildx264Command(command, options)
+
+ command = command.outputOption('-hls_time 4')
+ .outputOption('-hls_list_size 0')
+ .outputOption('-hls_playlist_type vod')
+ .outputOption('-hls_segment_filename ' + videoPath)
+ .outputOption('-hls_segment_type fmp4')
+ .outputOption('-f hls')
+ .outputOption('-hls_flags single_file')
+
+ return command
+}
+
+function getHLSVideoPath (options: HLSTranscodeOptions) {
+ return `${dirname(options.outputPath)}/${options.hlsPlaylist.videoFilename}`
+}
+
+async function fixHLSPlaylistIfNeeded (options: TranscodeOptions) {
+ if (options.type !== 'hls') return
+
+ const fileContent = await readFile(options.outputPath)
+
+ const videoFileName = options.hlsPlaylist.videoFilename
+ const videoFilePath = getHLSVideoPath(options)
+
+ // Fix wrong mapping with some ffmpeg versions
+ const newContent = fileContent.toString()
+ .replace(`#EXT-X-MAP:URI="${videoFilePath}",`, `#EXT-X-MAP:URI="${videoFileName}",`)
+
+ await writeFile(options.outputPath, newContent)
}
/**
* and quality. Superfast and ultrafast will give you better
* performance, but then quality is noticeably worse.
*/
-function veryfast (_ffmpeg) {
- _ffmpeg
- .preset(standard)
- .outputOption('-preset:v veryfast')
- .outputOption(['--aq-mode=2', '--aq-strength=1.3'])
+async function presetH264VeryFast (command: ffmpeg.FfmpegCommand, input: string, resolution: VideoResolution, fps?: number) {
+ let localCommand = await presetH264(command, input, resolution, fps)
+
+ localCommand = localCommand.outputOption('-preset:v veryfast')
+
/*
MAIN reference: https://slhck.info/video/2017/03/01/rate-control.html
Our target situation is closer to a livestream than a stream,
since we want to reduce as much a possible the encoding burden,
- altough not to the point of a livestream where there is a hard
+ although not to the point of a livestream where there is a hard
constraint on the frames per second to be encoded.
-
- why '--aq-mode=2 --aq-strength=1.3' instead of '-profile:v main'?
- Make up for most of the loss of grain and macroblocking
- with less computing power.
*/
-}
-/**
- * A preset optimised for a stillimage audio video
- */
-function audio (_ffmpeg) {
- _ffmpeg
- .preset(veryfast)
- .outputOption('-tune stillimage')
-}
-
-/**
- * A toolbox to play with audio
- */
-namespace audio {
- export const get = (_ffmpeg, pos: number | string = 0) => {
- // without position, ffprobe considers the last input only
- // we make it consider the first input only
- // if you pass a file path to pos, then ffprobe acts on that file directly
- return new Promise<{ absolutePath: string, audioStream?: any }>((res, rej) => {
- _ffmpeg.ffprobe(pos, (err,data) => {
- if (err) return rej(err)
-
- if ('streams' in data) {
- const audioStream = data['streams'].find(stream => stream['codec_type'] === 'audio')
- if (audioStream) {
- return res({
- absolutePath: data.format.filename,
- audioStream
- })
- }
- }
- return res({ absolutePath: data.format.filename })
- })
- })
- }
-
- export namespace bitrate {
- const baseKbitrate = 384
-
- const toBits = (kbits: number): number => { return kbits * 8000 }
-
- export const aac = (bitrate: number): number => {
- switch (true) {
- case bitrate > toBits(baseKbitrate):
- return baseKbitrate
- default:
- return -1 // we interpret it as a signal to copy the audio stream as is
- }
- }
-
- export const mp3 = (bitrate: number): number => {
- /*
- a 192kbit/sec mp3 doesn't hold as much information as a 192kbit/sec aac.
- That's why, when using aac, we can go to lower kbit/sec. The equivalences
- made here are not made to be accurate, especially with good mp3 encoders.
- */
- switch (true) {
- case bitrate <= toBits(192):
- return 128
- case bitrate <= toBits(384):
- return 256
- default:
- return baseKbitrate
- }
- }
- }
+ return localCommand
}
/**
* As for the audio, quality '5' is the highest and ensures 96-112kbps/channel
* See https://trac.ffmpeg.org/wiki/Encode/AAC#fdk_vbr
*/
-async function standard (_ffmpeg) {
- let localFfmpeg = _ffmpeg
+async function presetH264 (command: ffmpeg.FfmpegCommand, input: string, resolution: VideoResolution, fps?: number) {
+ let localCommand = command
.format('mp4')
.videoCodec('libx264')
- .outputOption('-level 3.1') // 3.1 is the minimal ressource allocation for our highest supported resolution
- .outputOption('-b_strategy 1') // NOTE: b-strategy 1 - heuristic algorythm, 16 is optimal B-frames for it
- .outputOption('-bf 16') // NOTE: Why 16: https://github.com/Chocobozzz/PeerTube/pull/774. b-strategy 2 -> B-frames<16
- .outputOption('-map_metadata -1') // strip all metadata
.outputOption('-movflags faststart')
- const _audio = await audio.get(localFfmpeg)
- if (!_audio.audioStream) {
- return localFfmpeg.noAudio()
- }
+ addDefaultX264Params(localCommand)
- // we favor VBR, if a good AAC encoder is available
- if ((await checkFFmpegEncoders()).get('libfdk_aac')) {
- return localFfmpeg
+ const parsedAudio = await getAudioStream(input)
+
+ if (!parsedAudio.audioStream) {
+ localCommand = localCommand.noAudio()
+ } else if ((await checkFFmpegEncoders()).get('libfdk_aac')) { // we favor VBR, if a good AAC encoder is available
+ localCommand = localCommand
.audioCodec('libfdk_aac')
.audioQuality(5)
- }
+ } else {
+ // we try to reduce the ceiling bitrate by making rough matches of bitrates
+ // of course this is far from perfect, but it might save some space in the end
+ localCommand = localCommand.audioCodec('aac')
+
+ const audioCodecName = parsedAudio.audioStream['codec_name']
- // we try to reduce the ceiling bitrate by making rough correspondances of bitrates
- // of course this is far from perfect, but it might save some space in the end
- const audioCodecName = _audio.audioStream['codec_name']
- let bitrate: number
- if (audio.bitrate[audioCodecName]) {
- bitrate = audio.bitrate[audioCodecName](_audio.audioStream['bit_rate'])
+ const bitrate = getMaxAudioBitrate(audioCodecName, parsedAudio.bitrate)
+
+ if (bitrate !== undefined && bitrate !== -1) localCommand = localCommand.audioBitrate(bitrate)
+ }
- if (bitrate === -1) return localFfmpeg.audioCodec('copy')
+ if (fps) {
+ // Constrained Encoding (VBV)
+ // https://slhck.info/video/2017/03/01/rate-control.html
+ // https://trac.ffmpeg.org/wiki/Limiting%20the%20output%20bitrate
+ const targetBitrate = getTargetBitrate(resolution, fps, VIDEO_TRANSCODING_FPS)
+ localCommand = localCommand.outputOptions([ `-maxrate ${targetBitrate}`, `-bufsize ${targetBitrate * 2}` ])
+
+ // Keyframe interval of 2 seconds for faster seeking and resolution switching.
+ // https://streaminglearningcenter.com/blogs/whats-the-right-keyframe-interval.html
+ // https://superuser.com/a/908325
+ localCommand = localCommand.outputOption(`-g ${fps * 2}`)
}
- if (bitrate !== undefined) return localFfmpeg.audioBitrate(bitrate)
+ return localCommand
+}
+
+function presetCopy (command: ffmpeg.FfmpegCommand): ffmpeg.FfmpegCommand {
+ return command
+ .format('mp4')
+ .videoCodec('copy')
+ .audioCodec('copy')
+}
+
+function presetOnlyAudio (command: ffmpeg.FfmpegCommand): ffmpeg.FfmpegCommand {
+ return command
+ .format('mp4')
+ .audioCodec('copy')
+ .noVideo()
+}
+
+function getFFmpeg (input: string) {
+ // We set cwd explicitly because ffmpeg appears to create temporary files when trancoding which fails in read-only file systems
+ const command = ffmpeg(input, { niceness: FFMPEG_NICE.TRANSCODING, cwd: CONFIG.STORAGE.TMP_DIR })
+
+ if (CONFIG.TRANSCODING.THREADS > 0) {
+ // If we don't set any threads ffmpeg will chose automatically
+ command.outputOption('-threads ' + CONFIG.TRANSCODING.THREADS)
+ }
- return localFfmpeg
+ return command
}
projects / github / Chocobozzz / PeerTube.git / blobdiff