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import { CONFIG } from '@server/initializers/config'
import { toEven } from '@shared/core-utils'
import { VideoResolution } from '@shared/models'
export function buildOriginalFileResolution (inputResolution: number) {
if (CONFIG.TRANSCODING.ALWAYS_TRANSCODE_ORIGINAL_RESOLUTION === true) {
return toEven(inputResolution)
}
const resolutions = computeResolutionsToTranscode({
input: inputResolution,
type: 'vod',
includeInput: false,
strictLower: false,
// We don't really care about the audio resolution in this context
hasAudio: true
})
if (resolutions.length === 0) {
return toEven(inputResolution)
}
return Math.max(...resolutions)
}
export function computeResolutionsToTranscode (options: {
input: number
type: 'vod' | 'live'
includeInput: boolean
strictLower: boolean
hasAudio: boolean
}) {
const { input, type, includeInput, strictLower, hasAudio } = options
const configResolutions = type === 'vod'
? CONFIG.TRANSCODING.RESOLUTIONS
: CONFIG.LIVE.TRANSCODING.RESOLUTIONS
const resolutionsEnabled = new Set<number>()
// Put in the order we want to proceed jobs
const availableResolutions: VideoResolution[] = [
VideoResolution.H_NOVIDEO,
VideoResolution.H_480P,
VideoResolution.H_360P,
VideoResolution.H_720P,
VideoResolution.H_240P,
VideoResolution.H_144P,
VideoResolution.H_1080P,
VideoResolution.H_1440P,
VideoResolution.H_4K
]
for (const resolution of availableResolutions) {
// Resolution not enabled
if (configResolutions[resolution + 'p'] !== true) continue
// Too big resolution for input file
if (input < resolution) continue
// We only want lower resolutions than input file
if (strictLower && input === resolution) continue
// Audio resolutio but no audio in the video
if (resolution === VideoResolution.H_NOVIDEO && !hasAudio) continue
resolutionsEnabled.add(resolution)
}
if (includeInput) {
// Always use an even resolution to avoid issues with ffmpeg
resolutionsEnabled.add(toEven(input))
}
return Array.from(resolutionsEnabled)
}
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