import { readFile, remove, writeFile } from 'fs-extra'
import { dirname, join } from 'path'
import { FFMPEG_NICE, VIDEO_LIVE } from '@server/initializers/constants'
-import { AvailableEncoders, EncoderOptionsBuilder, EncoderOptions, EncoderProfile, VideoResolution } from '../../shared/models/videos'
+import { pick } from '@shared/core-utils'
+import {
+ AvailableEncoders,
+ EncoderOptions,
+ EncoderOptionsBuilder,
+ EncoderOptionsBuilderParams,
+ EncoderProfile,
+ VideoResolution
+} from '../../shared/models/videos'
import { CONFIG } from '../initializers/config'
import { execPromise, promisify0 } from './core-utils'
-import { computeFPS, getAudioStream, getVideoFileFPS } from './ffprobe-utils'
+import { computeFPS, ffprobePromise, getAudioStream, getVideoFileBitrate, getVideoFileFPS, getVideoFileResolution } from './ffprobe-utils'
import { processImage } from './image-utils'
import { logger } from './logger'
-import { FilterSpecification } from 'fluent-ffmpeg'
/**
*
availableEncoders: AvailableEncoders
profile: string
- resolution: VideoResolution
+ resolution: number
isPortraitMode?: boolean
async function getLiveTranscodingCommand (options: {
rtmpUrl: string
+
outPath: string
+ masterPlaylistName: string
+
resolutions: number[]
+
+ // Input information
fps: number
+ bitrate: number
+ ratio: number
availableEncoders: AvailableEncoders
profile: string
}) {
- const { rtmpUrl, outPath, resolutions, fps, availableEncoders, profile } = options
+ const { rtmpUrl, outPath, resolutions, fps, bitrate, availableEncoders, profile, masterPlaylistName, ratio } = options
const input = rtmpUrl
const command = getFFmpeg(input, 'live')
const varStreamMap: string[] = []
- const complexFilter: FilterSpecification[] = [
+ const complexFilter: ffmpeg.FilterSpecification[] = [
{
inputs: '[v:0]',
filter: 'split',
}
]
- command.outputOption('-preset superfast')
command.outputOption('-sc_threshold 0')
addDefaultEncoderGlobalParams({ command })
availableEncoders,
profile,
- fps: resolutionFPS,
+ inputBitrate: bitrate,
+ inputRatio: ratio,
+
resolution,
+ fps: resolutionFPS,
+
streamNum: i,
videoType: 'live' as 'live'
}
{
const streamType: StreamType = 'video'
- const builderResult = await getEncoderBuilderResult(Object.assign({}, baseEncoderBuilderParams, { streamType }))
+ const builderResult = await getEncoderBuilderResult({ ...baseEncoderBuilderParams, streamType })
if (!builderResult) {
throw new Error('No available live video encoder found')
}
{
const streamType: StreamType = 'audio'
- const builderResult = await getEncoderBuilderResult(Object.assign({}, baseEncoderBuilderParams, { streamType }))
+ const builderResult = await getEncoderBuilderResult({ ...baseEncoderBuilderParams, streamType })
if (!builderResult) {
throw new Error('No available live audio encoder found')
}
command.complexFilter(complexFilter)
- addDefaultLiveHLSParams(command, outPath)
+ addDefaultLiveHLSParams(command, outPath, masterPlaylistName)
command.outputOption('-var_stream_map', varStreamMap.join(' '))
return command
}
-function getLiveMuxingCommand (rtmpUrl: string, outPath: string) {
+function getLiveMuxingCommand (rtmpUrl: string, outPath: string, masterPlaylistName: string) {
const command = getFFmpeg(rtmpUrl, 'live')
command.outputOption('-c:v copy')
command.outputOption('-map 0:a?')
command.outputOption('-map 0:v?')
- addDefaultLiveHLSParams(command, outPath)
+ addDefaultLiveHLSParams(command, outPath, masterPlaylistName)
return command
}
}
}
-function addDefaultLiveHLSParams (command: ffmpeg.FfmpegCommand, outPath: string) {
+function addDefaultLiveHLSParams (command: ffmpeg.FfmpegCommand, outPath: string, masterPlaylistName: string) {
command.outputOption('-hls_time ' + VIDEO_LIVE.SEGMENT_TIME_SECONDS)
command.outputOption('-hls_list_size ' + VIDEO_LIVE.SEGMENTS_LIST_SIZE)
command.outputOption('-hls_flags delete_segments+independent_segments')
command.outputOption(`-hls_segment_filename ${join(outPath, '%v-%06d.ts')}`)
- command.outputOption('-master_pl_name master.m3u8')
+ command.outputOption('-master_pl_name ' + masterPlaylistName)
command.outputOption(`-f hls`)
command.output(join(outPath, '%v.m3u8'))
async function buildAudioMergeCommand (command: ffmpeg.FfmpegCommand, options: MergeAudioTranscodeOptions) {
command = command.loop(undefined)
- // Avoid "height not divisible by 2" error
- const scaleFilterValue = 'trunc(iw/2)*2:trunc(ih/2)*2'
+ const scaleFilterValue = getScaleCleanerValue()
command = await presetVideo({ command, input: options.audioPath, transcodeOptions: options, scaleFilterValue })
command.outputOption('-preset:v veryfast')
// Run encoder builder depending on available encoders
// Try encoders by priority: if the encoder is available, run the chosen profile or fallback to the default one
// If the default one does not exist, check the next encoder
-async function getEncoderBuilderResult (options: {
+async function getEncoderBuilderResult (options: EncoderOptionsBuilderParams & {
streamType: 'video' | 'audio'
input: string
profile: string
videoType: 'vod' | 'live'
-
- resolution: number
- fps?: number
- streamNum?: number
}) {
- const { availableEncoders, input, profile, resolution, streamType, fps, streamNum, videoType } = options
+ const { availableEncoders, profile, streamType, videoType } = options
const encodersToTry = availableEncoders.encodersToTry[videoType][streamType]
const encoders = availableEncoders.available[videoType]
}
}
- const result = await builder({ input, resolution: resolution, fps, streamNum })
+ const result = await builder(pick(options, [ 'input', 'resolution', 'inputBitrate', 'fps', 'inputRatio', 'streamNum' ]))
return {
result,
addDefaultEncoderGlobalParams({ command })
+ const probe = await ffprobePromise(input)
+
// Audio encoder
- const parsedAudio = await getAudioStream(input)
+ const parsedAudio = await getAudioStream(input, probe)
+ const bitrate = await getVideoFileBitrate(input, probe)
+ const { ratio } = await getVideoFileResolution(input, probe)
let streamsToProcess: StreamType[] = [ 'audio', 'video' ]
availableEncoders,
profile,
fps,
+ inputBitrate: bitrate,
+ inputRatio: ratio,
videoType: 'vod' as 'vod'
})
return execPromise(`${ffmpegPath} -version`)
.then(stdout => {
- const parsed = stdout.match(/ffmpeg version .?(\d+\.\d+\.\d+)/)
+ const parsed = stdout.match(/ffmpeg version .?(\d+\.\d+(\.\d+)?)/)
if (!parsed || !parsed[1]) return rej(new Error(`Could not find ffmpeg version in ${stdout}`))
- return res(parsed[1])
+ // Fix ffmpeg version that does not include patch version (4.4 for example)
+ let version = parsed[1]
+ if (version.match(/^\d+\.\d+$/)) {
+ version += '.0'
+ }
+
+ return res(version)
})
.catch(err => rej(err))
})
const { command, silent = false, job } = options
return new Promise<void>((res, rej) => {
+ let shellCommand: string
+
+ command.on('start', cmdline => { shellCommand = cmdline })
+
command.on('error', (err, stdout, stderr) => {
if (silent !== true) logger.error('Error in ffmpeg.', { stdout, stderr })
})
command.on('end', (stdout, stderr) => {
- logger.debug('FFmpeg command ended.', { stdout, stderr })
+ logger.debug('FFmpeg command ended.', { stdout, stderr, shellCommand })
res()
})
})
}
+// Avoid "height not divisible by 2" error
+function getScaleCleanerValue () {
+ return 'trunc(iw/2)*2:trunc(ih/2)*2'
+}
+
// ---------------------------------------------------------------------------
export {