From 90f7b90223ce3212a2bb9746a119bcc9287b3237 Mon Sep 17 00:00:00 2001
From: Claire <claire.github-309c@sitedethib.com>
Date: Mon, 19 May 2025 10:29:31 +0200
Subject: [PATCH] Change passthrough video processing to emit `moov` atom at
 start of video (#34726)

---
 app/models/media_attachment.rb | 1 +
 1 file changed, 1 insertion(+)

diff --git a/app/models/media_attachment.rb b/app/models/media_attachment.rb
index 04b73e6b2f..72c8cf9fb8 100644
--- a/app/models/media_attachment.rb
+++ b/app/models/media_attachment.rb
@@ -122,6 +122,7 @@ class MediaAttachment < ApplicationRecord
         output: {
           'loglevel' => 'fatal',
           'map_metadata' => '-1',
+          'movflags' => 'faststart', # Move metadata to start of file so playback can begin before download finishes
           'c:v' => 'copy',
           'c:a' => 'copy',
         }.freeze,