128 lines
3.6 KiB
TypeScript
128 lines
3.6 KiB
TypeScript
interface TranscodeSettingsResponse {
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concurrency: number
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threads: number
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preset: string
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bitratePercent: number
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maxConcurrency: number
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maxThreads: number
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minBitratePercent: number
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maxBitratePercent: number
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presets: string[]
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memoryBytes: number
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lowMemoryThresholdBytes: number
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lowMemory: boolean
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}
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/** 服务端转码参数：并发任务数与单任务 CPU 核心数（仅管理员可改） */
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export function useTranscodeSettings() {
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const { isAuthenticated, isAdmin, handleAuthError } = useAuth()
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const toast = useToast()
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const { t } = useI18n()
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const concurrency = ref(1)
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const threads = ref(1)
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const maxConcurrency = ref(8)
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const maxThreads = ref(64)
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const preset = ref('veryfast')
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const presets = ref<string[]>(['veryfast', 'medium', 'slow'])
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const bitratePercent = ref(80)
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const minBitratePercent = ref(10)
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const maxBitratePercent = ref(100)
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const loaded = ref(false)
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const hydrated = ref(false)
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const memoryBytes = ref(0)
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const lowMemoryThresholdBytes = ref(2 * 1024 * 1024 * 1024)
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const lowMemory = ref(false)
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let saveTimer: ReturnType<typeof setTimeout> | null = null
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function apply(data: TranscodeSettingsResponse) {
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hydrated.value = false
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concurrency.value = data.concurrency
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threads.value = data.threads
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preset.value = data.preset
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bitratePercent.value = data.bitratePercent
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minBitratePercent.value = data.minBitratePercent ?? 10
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maxBitratePercent.value = data.maxBitratePercent ?? 100
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if (data.presets?.length) presets.value = data.presets
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maxConcurrency.value = data.maxConcurrency
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maxThreads.value = data.maxThreads
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memoryBytes.value = data.memoryBytes ?? 0
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lowMemoryThresholdBytes.value = data.lowMemoryThresholdBytes
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?? 2 * 1024 * 1024 * 1024
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lowMemory.value = data.lowMemory === true
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loaded.value = true
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nextTick(() => {
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hydrated.value = true
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})
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}
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async function load() {
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if (!isAuthenticated.value) return
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try {
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apply(await $fetch<TranscodeSettingsResponse>('/api/videos/transcode-settings', {
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credentials: 'include'
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}))
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} catch (error: unknown) {
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handleAuthError(error)
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if (isAuthenticated.value) {
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toast.add({ title: t('preferences.transcodeLoadFailed'), color: 'error' })
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}
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}
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}
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async function save() {
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if (!hydrated.value || !isAdmin.value) return
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try {
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const data = await $fetch<TranscodeSettingsResponse>('/api/videos/transcode-settings', {
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method: 'PATCH',
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credentials: 'include',
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body: {
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concurrency: concurrency.value,
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threads: threads.value,
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preset: preset.value,
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bitratePercent: bitratePercent.value
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}
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})
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hydrated.value = false
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concurrency.value = data.concurrency
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threads.value = data.threads
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preset.value = data.preset
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bitratePercent.value = data.bitratePercent
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nextTick(() => {
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hydrated.value = true
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})
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} catch (error: unknown) {
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handleAuthError(error)
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if (isAuthenticated.value) {
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toast.add({ title: t('preferences.transcodeSaveFailed'), color: 'error' })
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}
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}
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}
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watch([concurrency, threads, preset, bitratePercent], () => {
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if (!hydrated.value || !isAdmin.value) return
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if (saveTimer) clearTimeout(saveTimer)
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saveTimer = setTimeout(() => {
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void save()
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}, 600)
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})
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return {
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concurrency,
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threads,
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preset,
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bitratePercent,
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minBitratePercent,
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maxBitratePercent,
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presets,
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maxConcurrency,
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maxThreads,
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memoryBytes,
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lowMemoryThresholdBytes,
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lowMemory,
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loaded,
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load
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}
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}
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