refactor: remove FFmpeg dependencies and related video processing logic

- Deleted FFmpeg related packages from package.json and package-lock.json.
- Removed video transcoding and editing functionalities from FileContent.vue.
- Simplified video handling logic and error management in FileContent.vue.
- Added a clear button in MilkdownEditor.vue for clearing the editor content.
- Enhanced UniverPreview.vue to clear detached popups and mount nodes on destroy.
- Updated docBlockPlugin.ts to improve context handling for document blocks.
- Cleaned up vite.config.js by removing cross-origin isolation headers.
This commit is contained in:
2026-05-03 19:14:55 +08:00
parent 477f090dfa
commit 6dc9933853
8 changed files with 181 additions and 749 deletions
-230
View File
@@ -1,230 +0,0 @@
import coreURL from '@ffmpeg/core?url'
import wasmURL from '@ffmpeg/core/wasm?url'
import classWorkerURL from '@ffmpeg/ffmpeg/worker?url'
const VIDEO_EXTENSIONS = new Set([
'mp4',
'webm',
'ogv',
'ogg',
'mov',
'm4v',
'avi',
'mkv',
'flv',
'wmv',
'3gp',
'm2ts',
'mts',
'ts'
])
const FORCED_TRANSCODE_EXTENSIONS = new Set([
'3gp',
'avi',
'flv',
'm2ts',
'mkv',
'mts',
'ts',
'wmv'
])
const VIDEO_MIME_BY_EXTENSION = {
m4v: 'video/x-m4v',
mov: 'video/quicktime',
mp4: 'video/mp4',
ogg: 'video/ogg',
ogv: 'video/ogg',
webm: 'video/webm'
}
let ffmpegInstancePromise = null
let progressHandler = null
let transcodeQueue = Promise.resolve()
function getFileExtension(name = '') {
const parts = String(name).split('.')
return parts.length > 1 ? parts.pop().toLowerCase() : ''
}
function getNodeMimeType(node) {
return String(node?.mimeType || '').toLowerCase()
}
function formatFfmpegTime(seconds = 0) {
const totalSeconds = Math.max(0, Number(seconds) || 0)
return totalSeconds.toFixed(3)
}
function createVideoProbe() {
if (typeof document === 'undefined') return null
return document.createElement('video')
}
function toAbsoluteURL(url) {
if (!url || typeof location === 'undefined') {
return url
}
return new URL(url, location.href).href
}
function getLoadConfigs() {
return [{
classWorkerURL: toAbsoluteURL(classWorkerURL),
coreURL: toAbsoluteURL(coreURL),
wasmURL: toAbsoluteURL(wasmURL)
}]
}
async function loadFFmpegRuntime(FFmpeg, fetchFile) {
let lastError = null
for (const loadConfig of getLoadConfigs()) {
const ffmpeg = new FFmpeg()
ffmpeg.on('progress', ({ progress }) => {
if (typeof progressHandler === 'function') {
progressHandler(Math.max(0, Math.min(1, progress || 0)))
}
})
try {
await ffmpeg.load(loadConfig)
return { ffmpeg, fetchFile }
} catch (error) {
lastError = error
}
}
throw lastError || new Error('FFmpeg 初始化失败')
}
async function getFFmpegInstance() {
if (!ffmpegInstancePromise) {
ffmpegInstancePromise = Promise.all([
import('@ffmpeg/ffmpeg'),
import('@ffmpeg/util')
]).then(([{ FFmpeg }, { fetchFile }]) => loadFFmpegRuntime(FFmpeg, fetchFile))
}
return ffmpegInstancePromise
}
function buildMp4Command(inputName, outputName, options = {}) {
const startTime = Math.max(0, Number(options.startTime) || 0)
const endTime = Number.isFinite(options.endTime) ? Number(options.endTime) : null
const duration = endTime === null ? null : Math.max(0.05, endTime - startTime)
const args = []
if (startTime > 0) {
args.push('-ss', formatFfmpegTime(startTime))
}
args.push('-i', inputName)
if (duration !== null) {
args.push('-t', formatFfmpegTime(duration))
}
if (options.preferEncoding !== false) {
args.push('-c:v', 'libx264', '-preset', 'ultrafast', '-pix_fmt', 'yuv420p')
if (options.muteAudio) {
args.push('-an')
} else {
args.push('-c:a', 'aac')
}
} else if (options.muteAudio) {
args.push('-an')
}
args.push('-movflags', '+faststart', '-y', outputName)
return args
}
async function executePreferredMp4Command(ffmpeg, inputName, outputName, options = {}) {
try {
await ffmpeg.exec(buildMp4Command(inputName, outputName, {
...options,
preferEncoding: true
}))
} catch {
await ffmpeg.exec(buildMp4Command(inputName, outputName, {
...options,
preferEncoding: false
}))
}
}
async function runMp4Job(blob, fileName, options = {}) {
const { ffmpeg, fetchFile } = await getFFmpegInstance()
const ext = getFileExtension(fileName) || 'bin'
const inputName = `input-${Date.now()}.${ext}`
const outputName = `output-${Date.now()}.mp4`
progressHandler = typeof options.onProgress === 'function' ? options.onProgress : null
try {
await ffmpeg.writeFile(inputName, await fetchFile(blob))
await executePreferredMp4Command(ffmpeg, inputName, outputName, options)
const data = await ffmpeg.readFile(outputName)
return new Blob([data.buffer], { type: 'video/mp4' })
} finally {
progressHandler = null
await ffmpeg.deleteFile?.(inputName)
await ffmpeg.deleteFile?.(outputName)
}
}
export function isVideoFile(node) {
const ext = getFileExtension(node?.name)
const mime = getNodeMimeType(node)
return mime.startsWith('video/') || VIDEO_EXTENSIONS.has(ext)
}
export function canPlayVideoNatively(node) {
if (!isVideoFile(node)) return false
const ext = getFileExtension(node?.name)
if (FORCED_TRANSCODE_EXTENSIONS.has(ext)) return false
const mime = getNodeMimeType(node) || VIDEO_MIME_BY_EXTENSION[ext] || ''
if (!mime) return ['mp4', 'ogv', 'ogg', 'webm'].includes(ext)
const video = createVideoProbe()
if (!video) return ['mp4', 'ogv', 'ogg', 'webm'].includes(ext)
return video.canPlayType(mime) !== ''
}
export async function transcodeVideoToMp4(blob, fileName, options = {}) {
const run = async () => {
try {
return await runMp4Job(blob, fileName, options)
} catch (error) {
const message = error instanceof Error && error.message
? error.message
: '浏览器内视频转换失败'
throw new Error(message)
}
}
const result = transcodeQueue.then(run, run)
transcodeQueue = result.then(() => undefined, () => undefined)
return result
}
export async function editVideoBlob(blob, fileName, options = {}) {
const run = async () => {
try {
return await runMp4Job(blob, fileName, options)
} catch (error) {
const message = error instanceof Error && error.message
? error.message
: '浏览器内视频编辑失败'
throw new Error(message)
}
}
const result = transcodeQueue.then(run, run)
transcodeQueue = result.then(() => undefined, () => undefined)
return result
}