From 187822421489ae811d118d15aa2d8361183250c2 Mon Sep 17 00:00:00 2001
From: Chocobozzz <me@florianbigard.com>
Date: Fri, 10 Jul 2020 14:54:11 +0200
Subject: Handle webp images from youtube-dl

---
 server/helpers/ffmpeg-utils.ts | 18 ++++++++++++++++++
 server/helpers/image-utils.ts  | 21 ++++++++++++++++-----
 2 files changed, 34 insertions(+), 5 deletions(-)

diff --git a/server/helpers/ffmpeg-utils.ts b/server/helpers/ffmpeg-utils.ts
index 557fb5e3a..0cfc51775 100644
--- a/server/helpers/ffmpeg-utils.ts
+++ b/server/helpers/ffmpeg-utils.ts
@@ -338,11 +338,29 @@ function getClosestFramerateStandard (fps: number, type: 'HD_STANDARD' | 'STANDA
                                     .sort((a, b) => fps % a - fps % b)[0]
 }
 
+function convertWebPToJPG (path: string, destination: string): Promise<void> {
+  return new Promise<void>(async (res, rej) => {
+    try {
+      const command = ffmpeg(path).output(destination)
+
+      command.on('error', (err, stdout, stderr) => {
+        logger.error('Error in ffmpeg webp convert process.', { stdout, stderr })
+        return rej(err)
+      })
+      .on('end', () => res())
+      .run()
+    } catch (err) {
+      return rej(err)
+    }
+  })
+}
+
 // ---------------------------------------------------------------------------
 
 export {
   getVideoStreamCodec,
   getAudioStreamCodec,
+  convertWebPToJPG,
   getVideoStreamSize,
   getVideoFileResolution,
   getMetadataFromFile,
diff --git a/server/helpers/image-utils.ts b/server/helpers/image-utils.ts
index b1c7d3d47..f2f6a004f 100644
--- a/server/helpers/image-utils.ts
+++ b/server/helpers/image-utils.ts
@@ -1,6 +1,7 @@
-import 'multer'
-import { readFile, remove } from 'fs-extra'
+import { remove, rename } from 'fs-extra'
+import { convertWebPToJPG } from './ffmpeg-utils'
 import { logger } from './logger'
+
 const Jimp = require('jimp')
 
 async function processImage (
@@ -15,9 +16,19 @@ async function processImage (
 
   logger.debug('Processing image %s to %s.', path, destination)
 
-  // Avoid sharp cache
-  const buf = await readFile(path)
-  const jimpInstance = await Jimp.read(buf)
+  let jimpInstance: any
+
+  try {
+    jimpInstance = await Jimp.read(path)
+  } catch (err) {
+    logger.debug('Cannot read %s with jimp. Try to convert the image using ffmpeg first.', { err })
+
+    const newName = path + '.jpg'
+    await convertWebPToJPG(path, newName)
+    await rename(newName, path)
+
+    jimpInstance = await Jimp.read(path)
+  }
 
   await remove(destination)
 
-- 
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