65 lines
1.8 KiB
TypeScript
65 lines
1.8 KiB
TypeScript
import { FfprobeData } from 'fluent-ffmpeg'
|
|
import { getAudioStream, getVideoStream } from '@shared/ffmpeg'
|
|
import { logger } from '../logger'
|
|
import { forceNumber } from '@shared/core-utils'
|
|
|
|
export async function getVideoStreamCodec (path: string) {
|
|
const videoStream = await getVideoStream(path)
|
|
if (!videoStream) return ''
|
|
|
|
const videoCodec = videoStream.codec_tag_string
|
|
|
|
if (videoCodec === 'vp09') return 'vp09.00.50.08'
|
|
if (videoCodec === 'hev1') return 'hev1.1.6.L93.B0'
|
|
|
|
const baseProfileMatrix = {
|
|
avc1: {
|
|
High: '6400',
|
|
Main: '4D40',
|
|
Baseline: '42E0'
|
|
},
|
|
av01: {
|
|
High: '1',
|
|
Main: '0',
|
|
Professional: '2'
|
|
}
|
|
}
|
|
|
|
let baseProfile = baseProfileMatrix[videoCodec][videoStream.profile]
|
|
if (!baseProfile) {
|
|
logger.warn('Cannot get video profile codec of %s.', path, { videoStream })
|
|
baseProfile = baseProfileMatrix[videoCodec]['High'] // Fallback
|
|
}
|
|
|
|
if (videoCodec === 'av01') {
|
|
let level = videoStream.level.toString()
|
|
if (level.length === 1) level = `0${level}`
|
|
|
|
// Guess the tier indicator and bit depth
|
|
return `${videoCodec}.${baseProfile}.${level}M.08`
|
|
}
|
|
|
|
let level = forceNumber(videoStream.level).toString(16)
|
|
if (level.length === 1) level = `0${level}`
|
|
|
|
// Default, h264 codec
|
|
return `${videoCodec}.${baseProfile}${level}`
|
|
}
|
|
|
|
export async function getAudioStreamCodec (path: string, existingProbe?: FfprobeData) {
|
|
const { audioStream } = await getAudioStream(path, existingProbe)
|
|
|
|
if (!audioStream) return ''
|
|
|
|
const audioCodecName = audioStream.codec_name
|
|
|
|
if (audioCodecName === 'opus') return 'opus'
|
|
if (audioCodecName === 'vorbis') return 'vorbis'
|
|
if (audioCodecName === 'aac') return 'mp4a.40.2'
|
|
if (audioCodecName === 'mp3') return 'mp4a.40.34'
|
|
|
|
logger.warn('Cannot get audio codec of %s.', path, { audioStream })
|
|
|
|
return 'mp4a.40.2' // Fallback
|
|
}
|