From 5508bd552c6aa64a8da45c6d742c99d35e16013f Mon Sep 17 00:00:00 2001
From: MeiMei <30769358+mei23@users.noreply.github.com>
Date: Tue, 14 Jun 2022 23:02:14 +0900
Subject: [PATCH] fix: GenerateVideoThumbnail (#8825)

* fix: GenerateVideoThumbnail

* CHANGELOG

* fix cleanup

* Revert "fix cleanup"

This reverts commit d54cf8262ac01a3deb6b8dd7689ec144d4d09ea8.
---
 CHANGELOG.md                                         |  7 +++++++
 .../src/services/drive/generate-video-thumbnail.ts   | 12 +++++-------
 2 files changed, 12 insertions(+), 7 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7854f0ea4..cbf3baa7c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -9,6 +9,13 @@
 You should also include the user name that made the change.
 -->
 
+## 12.x.x (unreleased)
+
+### Improvements
+
+### Bugfixes
+- Fix GenerateVideoThumbnail failed @mei23
+
 ## 12.111.1 (2022/06/13)
 
 ### Bugfixes
diff --git a/packages/backend/src/services/drive/generate-video-thumbnail.ts b/packages/backend/src/services/drive/generate-video-thumbnail.ts
index b3fd025ab..6e6666481 100644
--- a/packages/backend/src/services/drive/generate-video-thumbnail.ts
+++ b/packages/backend/src/services/drive/generate-video-thumbnail.ts
@@ -1,12 +1,10 @@
 import * as fs from 'node:fs';
-import * as path from 'node:path';
-import { createTemp } from '@/misc/create-temp.js';
+import { createTempDir } from '@/misc/create-temp.js';
 import { IImage, convertToJpeg } from './image-processor.js';
 import FFmpeg from 'fluent-ffmpeg';
 
 export async function GenerateVideoThumbnail(source: string): Promise<IImage> {
-	const [file, cleanup] = await createTemp();
-	const parsed = path.parse(file);
+	const [dir, cleanup] = await createTempDir();
 
 	try {
 		await new Promise((res, rej) => {
@@ -16,15 +14,15 @@ export async function GenerateVideoThumbnail(source: string): Promise<IImage> {
 			.on('end', res)
 			.on('error', rej)
 			.screenshot({
-				folder: parsed.dir,
-				filename: parsed.base,
+				folder: dir,
+				filename: 'out.png',	// must have .png extension
 				count: 1,
 				timestamps: ['5%'],
 			});
 		});
 
 		// JPEGに変換 (Webpでもいいが、MastodonはWebpをサポートせず表示できなくなる)
-		return await convertToJpeg(file, 498, 280);
+		return await convertToJpeg(`${dir}/out.png`, 498, 280);
 	} finally {
 		cleanup();
 	}