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Merge pull request #3580 from mikiher/cover-image-performance

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Improve cover image performance
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advplyr 2024-11-02 13:10:00 -05:00 • committed by GitHub
commit 654b1d6b34
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6 changed files with 81 additions and 46 deletions
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19
server/managers/CacheManager.js
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@ -4,6 +4,7 @@ const stream = require('stream')
const Logger = require('../Logger')
const { resizeImage } = require('../utils/ffmpegHelpers')
const { encodeUriPath } = require('../utils/fileUtils')
const Database = require('../Database')
class CacheManager {
constructor() {
@ -29,24 +30,24 @@ class CacheManager {
await fs.ensureDir(this.ItemCachePath)
}
async handleCoverCache(res, libraryItemId, coverPath, options = {}) {
async handleCoverCache(res, libraryItemId, options = {}) {
const format = options.format || 'webp'
const width = options.width || 400
const height = options.height || null
res.type(`image/${format}`)
const path = Path.join(this.CoverCachePath, `${libraryItemId}_${width}${height ? `x${height}` : ''}`) + '.' + format
const cachePath = Path.join(this.CoverCachePath, `${libraryItemId}_${width}${height ? `x${height}` : ''}`) + '.' + format
// Cache exists
if (await fs.pathExists(path)) {
if (await fs.pathExists(cachePath)) {
if (global.XAccel) {
const encodedURI = encodeUriPath(global.XAccel + path)
const encodedURI = encodeUriPath(global.XAccel + cachePath)
Logger.debug(`Use X-Accel to serve static file ${encodedURI}`)
return res.status(204).header({ 'X-Accel-Redirect': encodedURI }).send()
}
const r = fs.createReadStream(path)
const r = fs.createReadStream(cachePath)
const ps = new stream.PassThrough()
stream.pipeline(r, ps, (err) => {
if (err) {
@ -57,7 +58,13 @@ class CacheManager {
return ps.pipe(res)
}
const writtenFile = await resizeImage(coverPath, path, width, height)
// Cached cover does not exist, generate it
const coverPath = await Database.libraryItemModel.getCoverPath(libraryItemId)
if (!coverPath || !(await fs.pathExists(coverPath))) {
return res.sendStatus(404)
}
const writtenFile = await resizeImage(coverPath, cachePath, width, height)
if (!writtenFile) return res.sendStatus(500)
if (global.XAccel) {