enhance(backend): fluent-ffmpegをnode-avに変更

.github/min.node-version

@@ -1 +1 @@
-22.22.2
+24.17.0

.github/workflows/test-backend.yml

@@ -56,9 +56,6 @@ jobs:
         submodules: true
     - name: Setup pnpm
       uses: pnpm/action-setup@v6.0.9
-    - name: Install FFmpeg
-      run: |
-        sudo apt install -y ffmpeg
     - name: Use Node.js
       uses: actions/setup-node@v7.0.0
       with:

.github/workflows/test-federation.yml

@@ -31,9 +31,6 @@ jobs:
           submodules: true
       - name: Setup pnpm
         uses: pnpm/action-setup@v6.0.9
-      - name: Install FFmpeg
-        run: |
-          sudo apt install -y ffmpeg
       - name: Use Node.js
         uses: actions/setup-node@v7.0.0
         with:

CHANGELOG.md

@@ -1,5 +1,8 @@
 ## 2026.8.0
 
+### Note
+- Node.js v22のサポートを終了しました。Node.js v22では動作しません。Node.js v24, v26をご利用ください。
+
 ### General
 -
 
@@ -8,6 +11,7 @@
 - Fix: 画像の表示時にBlurhashが描画されない場合があるのを修正
 
 ### Server
+- Enhance: 動画処理のパフォーマンスを改善
 - Fix: 既にミュートしているスレッドに対して再度スレッドミュートを作成しようとするとサーバーエラーになる問題を修正
 
 

Dockerfile

@@ -78,7 +78,7 @@ ENV PNPM_CONFIG_VERIFY_DEPS_BEFORE_RUN=false
 
 RUN apt-get update \
 	&& apt-get install -y --no-install-recommends \
-	ffmpeg tini curl libjemalloc-dev libjemalloc2 \
+	tini curl libjemalloc-dev libjemalloc2 \
 	&& ln -s /usr/lib/$(uname -m)-linux-gnu/libjemalloc.so.2 /usr/local/lib/libjemalloc.so \
 	&& groupadd -g "${GID}" misskey \
 	&& useradd -l -u "${UID}" -g "${GID}" -m -d /misskey misskey \

packages/backend/lib/backend-dev-server.ts

@@ -0,0 +1,74 @@
+import { execa, execaNode } from 'execa';
+import fkill from 'fkill';
+import type { ResultPromise } from 'execa';
+import type { Plugin } from 'rolldown';
+
+/**
+ * Watchモード時にバックエンドの起動・停止制御を行うプラグイン
+ */
+export function backendDevServerPlugin(): Plugin {
+	let backendProcess: ResultPromise | null = null;
+	let backendShutdownPromise: Promise<void> | null = null;
+
+	async function runBuildAssets() {
+		await execa('pnpm', ['run', 'build-assets'], {
+			cwd: '../../',
+			stdout: process.stdout,
+			stderr: process.stderr,
+		});
+	}
+
+	async function killBackendProcess() {
+		if (backendShutdownPromise) return backendShutdownPromise;
+		if (!backendProcess) return;
+
+		const processToKill = backendProcess;
+		backendProcess = null;
+		processToKill.catch(() => {}); // プロセスの終了によって発生する例外を無視するためにcatch()を呼び出す
+
+		backendShutdownPromise = (async () => {
+			if (process.platform === 'win32' && processToKill.pid != null) {
+				await fkill(processToKill.pid, {
+					force: true,
+					tree: true,
+					silent: true,
+					waitForExit: 5000,
+				});
+			} else {
+				processToKill.kill();
+			}
+
+			await processToKill.catch(() => {});
+		})().finally(() => {
+			backendShutdownPromise = null;
+		});
+
+		return backendShutdownPromise;
+	}
+
+	return {
+		name: 'backend-dev-server',
+		async closeBundle() {
+			await runBuildAssets();
+			if (backendProcess) {
+				await killBackendProcess();
+			}
+			backendProcess = execaNode('./built/entry.js', [], {
+				stdout: process.stdout,
+				stderr: process.stderr,
+				env: {
+					NODE_ENV: 'development',
+				},
+			});
+		},
+		async watchChange() {
+			if (backendProcess) {
+				await killBackendProcess();
+				await runBuildAssets();
+			}
+		},
+		async closeWatcher() {
+			await killBackendProcess();
+		},
+	};
+}

packages/backend/lib/esm-shim.ts

@@ -0,0 +1,75 @@
+import { RolldownMagicString } from 'rolldown';
+import type { Plugin } from 'rolldown';
+
+const cjsSyntaxRegex = /__filename|__dirname|require\(|require\.resolve\(/;
+
+const shimComment = '// -- ESM Shim --';
+
+export function esmShimPlugin(): Plugin {
+	return {
+		name: 'esm-shim',
+		renderChunk(code, _, opts, meta) {
+			if (opts.format === 'es') {
+				if (code.includes(shimComment) || !cjsSyntaxRegex.test(code)) {
+					return null;
+				}
+
+				const ast = this.parse(code, {
+					sourceType: 'module',
+				});
+
+				let lastImportIndex = -1;
+				let isFilenameShimmed = false;
+				let isDirnameShimmed = false;
+				let isRequireShimmed = false;
+
+				for (const [index, node] of ast.body.entries()) {
+					switch (node.type) {
+						case 'ImportDeclaration':
+							lastImportIndex = index;
+							break;
+						case 'VariableDeclaration':
+							for (const decl of node.declarations) {
+								if (decl.id.type === 'Identifier') {
+									if (decl.id.name === '__filename') {
+										isFilenameShimmed = true;
+									} else if (decl.id.name === '__dirname') {
+										isDirnameShimmed = true;
+									} else if (decl.id.name === 'require') {
+										isRequireShimmed = true;
+									}
+								}
+							}
+							break;
+					}
+				}
+
+				const shimLines: string[] = [];
+				if (!isFilenameShimmed) {
+					shimLines.push('const __filename = import.meta.filename;');
+				}
+				if (!isDirnameShimmed) {
+					shimLines.push('const __dirname = import.meta.dirname;');
+				}
+				if (!isRequireShimmed) {
+					shimLines.push('import { createRequire as cjsShimCreateRequire } from \'node:module\';');
+					shimLines.push('const require = cjsShimCreateRequire(import.meta.url);');
+				}
+
+				if (shimLines.length > 0) {
+					const magicString = meta.magicString ?? new RolldownMagicString(code);
+					const shimCode = `${shimComment}\n${shimLines.join('\n')}\n`;
+					if (lastImportIndex >= 0) {
+						const lastImportNode = ast.body[lastImportIndex];
+						magicString.appendLeft(lastImportNode.end, `\n${shimCode}`);
+					} else {
+						magicString.prepend(`${shimCode}\n`);
+					}
+					return magicString;
+				}
+			}
+
+			return null;
+		},
+	};
+}

packages/backend/package.json

@@ -4,7 +4,7 @@
 	"private": true,
 	"type": "module",
 	"engines": {
-		"node": "^22.22.2 || ^24.17.0 || ^26.4.0"
+		"node": "^24.17.0 || ^26.4.0"
 	},
 	"scripts": {
 		"start": "pnpm compile-config && node ./built/entry.js",
@@ -34,6 +34,14 @@
 		"generate-api-json": "pnpm compile-config && node ./scripts/generate_api_json.js"
 	},
 	"optionalDependencies": {
+		"@seydx/node-av-darwin-arm64": "6.1.1",
+		"@seydx/node-av-darwin-x64": "6.1.1",
+		"@seydx/node-av-linux-arm64": "6.1.1",
+		"@seydx/node-av-linux-x64": "6.1.1",
+		"@seydx/node-av-win32-arm64-mingw": "6.1.1",
+		"@seydx/node-av-win32-arm64-msvc": "6.1.1",
+		"@seydx/node-av-win32-x64-mingw": "6.1.1",
+		"@seydx/node-av-win32-x64-msvc": "6.1.1",
 		"bufferutil": "4.1.0",
 		"slacc-android-arm-eabi": "0.1.5",
 		"slacc-android-arm64": "0.1.5",
@@ -82,7 +90,6 @@
 		"cacheable-lookup": "7.0.0",
 		"chalk": "6.0.0",
 		"chalk-template": "1.1.2",
-		"chokidar": "5.0.0",
 		"color-convert": "3.1.3",
 		"content-disposition": "2.0.1",
 		"date-fns": "4.4.0",
@@ -91,7 +98,6 @@
 		"fastify-raw-body": "6.0.1",
 		"feed": "6.0.0",
 		"file-type": "22.0.1",
-		"fluent-ffmpeg": "2.1.3",
 		"got": "15.1.0",
 		"hpagent": "1.2.0",
 		"http-link-header": "1.1.4",
@@ -111,6 +117,7 @@
 		"ms": "3.0.0-canary.202508261828",
 		"nanoid": "6.0.1",
 		"nested-property": "4.0.0",
+		"node-av": "6.1.1",
 		"node-fetch": "3.3.2",
 		"node-html-parser": "9.0.1",
 		"nodemailer": "9.0.5",
@@ -148,12 +155,10 @@
 	"devDependencies": {
 		"@kitajs/ts-html-plugin": "4.1.4",
 		"@nestjs/platform-express": "11.1.29",
-		"@rollup/plugin-esm-shim": "0.1.8",
 		"@sentry/vue": "10.70.0",
 		"@sinonjs/fake-timers": "15.4.0",
 		"@types/accepts": "1.3.7",
 		"@types/archiver": "8.0.0",
-		"@types/fluent-ffmpeg": "2.1.28",
 		"@types/http-link-header": "1.0.7",
 		"@types/jsonld": "1.5.15",
 		"@types/mime-types": "3.0.1",

packages/backend/rolldown.config.ts

@@ -1,80 +1,8 @@
 import { defineConfig } from 'rolldown';
 import { version as summalyVersion } from '@misskey-dev/summaly';
-import type { Plugin, ExternalOption } from 'rolldown';
-import { execa, execaNode } from 'execa';
-import type { ResultPromise } from 'execa';
-import fkill from 'fkill';
-import esmShim from '@rollup/plugin-esm-shim';
-
-/**
- * Watchモード時にバックエンドの起動・停止制御を行うプラグイン
- */
-function backendDevServerPlugin(): Plugin {
-	let backendProcess: ResultPromise | null = null;
-	let backendShutdownPromise: Promise<void> | null = null;
-
-	async function runBuildAssets() {
-		await execa('pnpm', ['run', 'build-assets'], {
-			cwd: '../../',
-			stdout: process.stdout,
-			stderr: process.stderr,
-		});
-	}
-
-	async function killBackendProcess() {
-		if (backendShutdownPromise) return backendShutdownPromise;
-		if (!backendProcess) return;
-
-		const processToKill = backendProcess;
-		backendProcess = null;
-		processToKill.catch(() => {}); // プロセスの終了によって発生する例外を無視するためにcatch()を呼び出す
-
-		backendShutdownPromise = (async () => {
-			if (process.platform === 'win32' && processToKill.pid != null) {
-				await fkill(processToKill.pid, {
-					force: true,
-					tree: true,
-					silent: true,
-					waitForExit: 5000,
-				});
-			} else {
-				processToKill.kill();
-			}
-
-			await processToKill.catch(() => {});
-		})().finally(() => {
-			backendShutdownPromise = null;
-		});
-
-		return backendShutdownPromise;
-	}
-
-	return {
-		name: 'backend-dev-server',
-		async closeBundle() {
-			await runBuildAssets();
-			if (backendProcess) {
-				await killBackendProcess();
-			}
-			backendProcess = execaNode('./built/entry.js', [], {
-				stdout: process.stdout,
-				stderr: process.stderr,
-				env: {
-					NODE_ENV: 'development',
-				},
-			});
-		},
-		async watchChange() {
-			if (backendProcess) {
-				await killBackendProcess();
-				await runBuildAssets();
-			}
-		},
-		async closeWatcher() {
-			await killBackendProcess();
-		},
-	};
-}
+import type { ExternalOption } from 'rolldown';
+import { backendDevServerPlugin } from './lib/backend-dev-server.ts';
+import { esmShimPlugin } from './lib/esm-shim.ts';
 
 export default defineConfig((args) => {
 	const isWatchMode = args.watch != null && args.watch !== 'false';
@@ -97,6 +25,7 @@ export default defineConfig((args) => {
 		'sharp',
 		'jsdom',
 		're2',
+		/^@seydx\/node-av-.*/,
 		'ipaddr.js',
 		'file-type',
 		// バンドルするとSentryの自動計装が正しく行われなくなるため外しておく
@@ -114,7 +43,7 @@ export default defineConfig((args) => {
 			platform: 'node',
 			tsconfig: './test-server/tsconfig.json',
 			plugins: [
-				esmShim(),
+				esmShimPlugin(),
 			],
 			transform: {
 				define,
@@ -126,6 +55,9 @@ export default defineConfig((args) => {
 				cleanDir: true,
 				format: 'esm',
 			},
+			experimental: {
+				nativeMagicString: true,
+			},
 			external: externalModules,
 		};
 	} else {
@@ -140,7 +72,7 @@ export default defineConfig((args) => {
 			platform: 'node',
 			tsconfig: true,
 			plugins: [
-				esmShim(),
+				esmShimPlugin(),
 				(isWatchMode ? backendDevServerPlugin() : undefined),
 			],
 			transform: {
@@ -158,6 +90,9 @@ export default defineConfig((args) => {
 				include: ['src/**/*.{ts,js,mjs,cjs,tsx,json}'],
 				clearScreen: false,
 			},
+			experimental: {
+				nativeMagicString: true,
+			},
 			// ビルドの高速化のために、watchモードのときは外部モジュールは全てバンドルしないようにする
 			external: isWatchMode ? /^(?!@\/|\0)[^.\/](?!:[\/\\])/ : externalModules,
 		};