import * as ffmpeg from 'fluent-ffmpeg'
-import { join } from 'path'
+import { dirname, join } from 'path'
import { getTargetBitrate, VideoResolution } from '../../shared/models/videos'
-import { CONFIG, FFMPEG_NICE, VIDEO_TRANSCODING_FPS } from '../initializers/constants'
+import { FFMPEG_NICE, VIDEO_TRANSCODING_FPS } from '../initializers/constants'
import { processImage } from './image-utils'
import { logger } from './logger'
import { checkFFmpegEncoders } from '../initializers/checker-before-init'
-import { remove } from 'fs-extra'
+import { readFile, remove, writeFile } from 'fs-extra'
+import { CONFIG } from '../initializers/config'
function computeResolutionsToTranscode (videoFileHeight: number) {
const resolutionsEnabled: number[] = []
return resolutionsEnabled
}
-async function getVideoFileResolution (path: string) {
+async function getVideoFileSize (path: string) {
const videoStream = await getVideoFileStream(path)
return {
- videoFileResolution: Math.min(videoStream.height, videoStream.width),
- isPortraitMode: videoStream.height > videoStream.width
+ width: videoStream.width,
+ height: videoStream.height
+ }
+}
+
+async function getVideoFileResolution (path: string) {
+ const size = await getVideoFileSize(path)
+
+ return {
+ videoFileResolution: Math.min(size.height, size.width),
+ isPortraitMode: size.height > size.width
}
}
async function getVideoFileFPS (path: string) {
const videoStream = await getVideoFileStream(path)
- for (const key of [ 'r_frame_rate' , 'avg_frame_rate' ]) {
+ for (const key of [ 'avg_frame_rate', 'r_frame_rate' ]) {
const valuesText: string = videoStream[key]
if (!valuesText) continue
type TranscodeOptions = {
inputPath: string
outputPath: string
- resolution?: VideoResolution
+ resolution: VideoResolution
isPortraitMode?: boolean
+
+ hlsPlaylist?: {
+ videoFilename: string
+ }
}
function transcode (options: TranscodeOptions) {
return new Promise<void>(async (res, rej) => {
try {
- let fps = await getVideoFileFPS(options.inputPath)
- // On small/medium resolutions, limit FPS
- if (
- options.resolution !== undefined &&
- options.resolution < VIDEO_TRANSCODING_FPS.KEEP_ORIGIN_FPS_RESOLUTION_MIN &&
- fps > VIDEO_TRANSCODING_FPS.AVERAGE
- ) {
- fps = VIDEO_TRANSCODING_FPS.AVERAGE
- }
-
let command = ffmpeg(options.inputPath, { niceness: FFMPEG_NICE.TRANSCODING })
.output(options.outputPath)
- command = await presetH264(command, options.resolution, fps)
+
+ if (options.hlsPlaylist) {
+ command = await buildHLSCommand(command, options)
+ } else {
+ command = await buildx264Command(command, options)
+ }
if (CONFIG.TRANSCODING.THREADS > 0) {
// if we don't set any threads ffmpeg will chose automatically
command = command.outputOption('-threads ' + CONFIG.TRANSCODING.THREADS)
}
- 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 = VIDEO_TRANSCODING_FPS.MAX
- else if (fps < VIDEO_TRANSCODING_FPS.MIN) fps = VIDEO_TRANSCODING_FPS.MIN
-
- command = command.withFPS(fps)
- }
-
command
.on('error', (err, stdout, stderr) => {
logger.error('Error in transcoding job.', { stdout, stderr })
return rej(err)
})
- .on('end', res)
+ .on('end', () => {
+ return onTranscodingSuccess(options)
+ .then(() => res())
+ .catch(err => rej(err))
+ })
.run()
} catch (err) {
return rej(err)
// ---------------------------------------------------------------------------
export {
+ getVideoFileSize,
getVideoFileResolution,
getDurationFromVideoFile,
generateImageFromVideoFile,
// ---------------------------------------------------------------------------
+async function buildx264Command (command: ffmpeg.FfmpegCommand, options: TranscodeOptions) {
+ let fps = await getVideoFileFPS(options.inputPath)
+ // On small/medium resolutions, limit FPS
+ if (
+ options.resolution !== undefined &&
+ options.resolution < VIDEO_TRANSCODING_FPS.KEEP_ORIGIN_FPS_RESOLUTION_MIN &&
+ fps > VIDEO_TRANSCODING_FPS.AVERAGE
+ ) {
+ fps = VIDEO_TRANSCODING_FPS.AVERAGE
+ }
+
+ command = await presetH264(command, 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 = VIDEO_TRANSCODING_FPS.MAX
+ else if (fps < VIDEO_TRANSCODING_FPS.MIN) fps = VIDEO_TRANSCODING_FPS.MIN
+
+ command = command.withFPS(fps)
+ }
+
+ return command
+}
+
+async function buildHLSCommand (command: ffmpeg.FfmpegCommand, options: TranscodeOptions) {
+ const videoPath = getHLSVideoPath(options)
+
+ command = await presetCopy(command)
+
+ 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: TranscodeOptions) {
+ return `${dirname(options.outputPath)}/${options.hlsPlaylist.videoFilename}`
+}
+
+async function onTranscodingSuccess (options: TranscodeOptions) {
+ if (!options.hlsPlaylist) return
+
+ // Fix wrong mapping with some ffmpeg versions
+ const fileContent = await readFile(options.outputPath)
+
+ const videoFileName = options.hlsPlaylist.videoFilename
+ const videoFilePath = getHLSVideoPath(options)
+
+ const newContent = fileContent.toString()
+ .replace(`#EXT-X-MAP:URI="${videoFilePath}",`, `#EXT-X-MAP:URI="${videoFileName}",`)
+
+ await writeFile(options.outputPath, newContent)
+}
+
function getVideoFileStream (path: string) {
return new Promise<any>((res, rej) => {
ffmpeg.ffprobe(path, (err, metadata) => {
if (err) return rej(err)
const videoStream = metadata.streams.find(s => s.codec_type === 'video')
- if (!videoStream) throw new Error('Cannot find video stream of ' + path)
+ if (!videoStream) return rej(new Error('Cannot find video stream of ' + path))
return res(videoStream)
})
const audioCodecName = parsedAudio.audioStream[ 'codec_name' ]
let bitrate: number
if (audio.bitrate[ audioCodecName ]) {
- bitrate = audio.bitrate[ audioCodecName ](parsedAudio.audioStream[ 'bit_rate' ])
+ localCommand = localCommand.audioCodec('aac')
- if (bitrate === -1) localCommand = localCommand.audioCodec('copy')
- else if (bitrate !== undefined) localCommand = localCommand.audioBitrate(bitrate)
+ bitrate = audio.bitrate[ audioCodecName ](parsedAudio.audioStream[ 'bit_rate' ])
+ if (bitrate !== undefined && bitrate !== -1) localCommand = localCommand.audioBitrate(bitrate)
}
}
return localCommand
}
+
+async function presetCopy (command: ffmpeg.FfmpegCommand): Promise<ffmpeg.FfmpegCommand> {
+ return command
+ .format('mp4')
+ .videoCodec('copy')
+ .audioCodec('copy')
+}
projects / github / Chocobozzz / PeerTube.git / blobdiff