try {
await new Promise<string>((res, rej) => {
- ffmpeg(fromPath, { 'niceness': FFMPEG_NICE.THUMBNAIL })
+ ffmpeg(fromPath, { niceness: FFMPEG_NICE.THUMBNAIL })
.on('error', rej)
.on('end', () => res(imageName))
.thumbnail(options)
function transcode (options: TranscodeOptions) {
return new Promise<void>(async (res, rej) => {
- let command = ffmpeg(options.inputPath, { 'niceness': FFMPEG_NICE.TRANSCODING })
+ let command = ffmpeg(options.inputPath, { niceness: FFMPEG_NICE.TRANSCODING })
.output(options.outputPath)
.preset(standard)
+
if (CONFIG.TRANSCODING.THREADS > 0) {
- command.outputOption('-threads ' + CONFIG.TRANSCODING.THREADS) // if we don't set any threads ffmpeg will chose automatically
+ // if we don't set any threads ffmpeg will chose automatically
+ command = command.outputOption('-threads ' + CONFIG.TRANSCODING.THREADS)
}
let fps = await getVideoFileFPS(options.inputPath)
getDurationFromVideoFile,
generateImageFromVideoFile,
transcode,
- getVideoFileFPS
+ getVideoFileFPS,
+ audio
}
// ---------------------------------------------------------------------------
// 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<any>((res, rej) => {
- _ffmpeg
- .ffprobe(pos, (err,data) => {
- if (err) return rej(err)
-
- if ('streams' in data) {
- return res(data['streams'].find(stream => stream['codec_type'] === 'audio'))
- } else {
- rej()
+ 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 const aac = (bitrate: number): number => {
switch (true) {
- case bitrate > toBits(384):
+ 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
.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')
- let _audio = audio.get(localFfmpeg)
- .then(res => res)
- .catch(_ => undefined)
+ const _audio = await audio.get(localFfmpeg)
- if (!_audio) return localFfmpeg.noAudio()
+ if (!_audio.audioStream) {
+ return localFfmpeg.noAudio()
+ }
// 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
- if (audio.bitrate[_audio['codec_name']]) {
- _bitrate = audio.bitrate[_audio['codec_name']](_audio['bit_rate'])
+ if (audio.bitrate[_audio.audioStream['codec_name']]) {
+ _bitrate = audio.bitrate[_audio.audioStream['codec_name']](_audio.audioStream['bit_rate'])
if (_bitrate === -1) {
return localFfmpeg.audioCodec('copy')
}
import * as chai from 'chai'
import 'mocha'
+import { omit } from 'lodash'
+import * as ffmpeg from 'fluent-ffmpeg'
import { VideoDetails, VideoState } from '../../../../shared/models/videos'
-import { getVideoFileFPS } from '../../../helpers/ffmpeg-utils'
+import { getVideoFileFPS, audio } from '../../../helpers/ffmpeg-utils'
import {
+ buildAbsoluteFixturePath,
doubleFollow,
flushAndRunMultipleServers,
getMyVideos,
expect(torrent.files[0].path).match(/\.mp4$/)
})
+ it('Should transcode high bit rate mp3 to proper bit rate', async function () {
+ this.timeout(60000)
+
+ const videoAttributes = {
+ name: 'mp3_256k',
+ fixture: 'video_short_mp3_256k.mp4'
+ }
+ await uploadVideo(servers[1].url, servers[1].accessToken, videoAttributes)
+
+ await waitJobs(servers)
+
+ const res = await getVideosList(servers[1].url)
+
+ const video = res.body.data.find(v => v.name === videoAttributes.name)
+ const res2 = await getVideo(servers[1].url, video.id)
+ const videoDetails: VideoDetails = res2.body
+
+ expect(videoDetails.files).to.have.lengthOf(4)
+
+ const path = join(root(), 'test2', 'videos', video.uuid + '-240.mp4')
+ const probe = await audio.get(ffmpeg, path)
+
+ if (probe.audioStream) {
+ expect(probe.audioStream['codec_name']).to.be.equal('aac')
+ expect(probe.audioStream['bit_rate']).to.be.at.most(384 * 8000)
+ } else {
+ this.fail('Could not retrieve the audio stream on ' + probe.absolutePath)
+ }
+ })
+
+ it('Should transcode video with no audio and have no audio itself', async function () {
+ this.timeout(60000)
+
+ const videoAttributes = {
+ name: 'no_audio',
+ fixture: 'video_short_no_audio.mp4'
+ }
+ await uploadVideo(servers[1].url, servers[1].accessToken, videoAttributes)
+
+ await waitJobs(servers)
+
+ const res = await getVideosList(servers[1].url)
+
+ const video = res.body.data.find(v => v.name === videoAttributes.name)
+ const res2 = await getVideo(servers[1].url, video.id)
+ const videoDetails: VideoDetails = res2.body
+
+ expect(videoDetails.files).to.have.lengthOf(4)
+ const path = join(root(), 'test2', 'videos', video.uuid + '-240.mp4')
+ const probe = await audio.get(ffmpeg, path)
+ expect(probe).to.not.have.property('audioStream')
+ })
+
+ it('Should leave the audio untouched, but properly transcode the video', async function () {
+ this.timeout(60000)
+
+ const videoAttributes = {
+ name: 'untouched_audio',
+ fixture: 'video_short.mp4'
+ }
+ await uploadVideo(servers[1].url, servers[1].accessToken, videoAttributes)
+
+ await waitJobs(servers)
+
+ const res = await getVideosList(servers[1].url)
+
+ const video = res.body.data.find(v => v.name === videoAttributes.name)
+ const res2 = await getVideo(servers[1].url, video.id)
+ const videoDetails: VideoDetails = res2.body
+
+ expect(videoDetails.files).to.have.lengthOf(4)
+ const fixturePath = buildAbsoluteFixturePath(videoAttributes.fixture)
+ const fixtureVideoProbe = await audio.get(ffmpeg, fixturePath)
+ const path = join(root(), 'test2', 'videos', video.uuid + '-240.mp4')
+ const videoProbe = await audio.get(ffmpeg, path)
+ if (videoProbe.audioStream && fixtureVideoProbe.audioStream) {
+ const toOmit = [ 'max_bit_rate', 'duration', 'duration_ts', 'nb_frames', 'start_time', 'start_pts' ]
+ expect(omit(videoProbe.audioStream, toOmit)).to.be.deep.equal(omit(fixtureVideoProbe.audioStream, toOmit))
+ } else {
+ this.fail('Could not retrieve the audio stream on ' + videoProbe.absolutePath)
+ }
+ })
+
it('Should transcode a 60 FPS video', async function () {
this.timeout(60000)
const res = await getVideosList(servers[1].url)
- const video = res.body.data[0]
+ const video = res.body.data.find(v => v.name === videoAttributes.name)
const res2 = await getVideo(servers[1].url, video.id)
const videoDetails: VideoDetails = res2.body
// Should have my video
const resMyVideos = await getMyVideos(servers[1].url, servers[1].accessToken, 0, 10)
- const videoToFindInMine = resMyVideos.body.data.find(v => v.name === 'waiting video')
+ const videoToFindInMine = resMyVideos.body.data.find(v => v.name === videoAttributes.name)
expect(videoToFindInMine).not.to.be.undefined
expect(videoToFindInMine.state.id).to.equal(VideoState.TO_TRANSCODE)
expect(videoToFindInMine.state.label).to.equal('To transcode')
// Should not list this video
const resVideos = await getVideosList(servers[1].url)
- const videoToFindInList = resVideos.body.data.find(v => v.name === 'waiting video')
+ const videoToFindInList = resVideos.body.data.find(v => v.name === videoAttributes.name)
expect(videoToFindInList).to.be.undefined
// Server 1 should not have the video yet