Fix converted media being saved with original extension and mime type (#11130)

2 files changed, 6 insertions, 4 deletions

diff --git a/app/models/concerns/attachmentable.rb b/app/models/concerns/attachmentable.rb
index de4cf8775..f4e37f1e6 100644
--- a/app/models/concerns/attachmentable.rb
+++ b/app/models/concerns/attachmentable.rb
@@ -1,6 +1,6 @@
 # frozen_string_literal: true
 
-require 'mime/types'
+require 'mime/types/columnar'
 
 module Attachmentable
   extend ActiveSupport::Concern
diff --git a/app/models/media_attachment.rb b/app/models/media_attachment.rb
index 5ca218411..ae94ce68a 100644
--- a/app/models/media_attachment.rb
+++ b/app/models/media_attachment.rb
@@ -70,12 +70,14 @@ class MediaAttachment < ApplicationRecord
   AUDIO_STYLES = {
     original: {
       format: 'ogg',
+      content_type: 'audio/ogg',
       convert_options: {},
     },
   }.freeze
 
   VIDEO_FORMAT = {
     format: 'mp4',
+    content_type: 'video/mp4',
     convert_options: {
       output: {
         'loglevel' => 'fatal',
@@ -189,11 +191,11 @@ class MediaAttachment < ApplicationRecord
       if f.file_content_type == 'image/gif'
         [:gif_transcoder, :blurhash_transcoder]
       elsif VIDEO_MIME_TYPES.include?(f.file_content_type)
-        [:video_transcoder, :blurhash_transcoder]
+        [:video_transcoder, :blurhash_transcoder, :type_corrector]
       elsif AUDIO_MIME_TYPES.include?(f.file_content_type)
-        [:transcoder]
+        [:transcoder, :type_corrector]
       else
-        [:lazy_thumbnail, :blurhash_transcoder]
+        [:lazy_thumbnail, :blurhash_transcoder, :type_corrector]
       end
     end
   end