add flags to run in server

app/workers/convert_video_worker.rb

@@ -5,50 +5,55 @@ class ConvertVideoWorker
   sidekiq_options queue: :convert_video
 
   def perform(id)
-    object = learning_object_repository.find id
-
-    # convert if object has a flv and not a mp4
-    video = nil
-    object.attachments.each do |attachment|
-      video = attachment if attachment.name =~ /(.flv|.wmv|.mov|.mpg)$/i
-
-      return true if attachment.name =~ /.mp4$/i
+    begin
+      object = learning_object_repository.find id
+
+      # convert if object has a flv and not a mp4
+      video = nil
+      object.attachments.each do |attachment|
+        video = attachment if attachment.name =~ /(.flv|.wmv|.mov|.mpg)$/i
+
+        return true if attachment.name =~ /.mp4$/i
+      end
+      return true if video.nil?
+
+      dspace_client = DspaceService.create_client
+
+      # retrieve video from dspace
+      original_bitstream = dspace_client.bitstreams.retrieve(id: video.id)
+
+      # open video with ffmpeg
+      # FFMPEG.ffmpeg_binary = '/usr/local/bin/ffmpeg'
+      FFMPEG.ffmpeg_binary = 'ffmpeg'
+      file = ::FFMPEG::Movie.new(original_bitstream.path)
+      return false unless file.valid? # if ffmpeg fails to read the movie
+
+      converted_path = "#{original_bitstream.path}.mp4"
+
+      # transcode (convert video to mp4)
+      options = {
+                  video_codec: "libx264",
+                  x264_preset: "fast",
+                  custom: '-movflags +faststart -pix_fmt yuv420p -profile:v main -level 3.1 -refs 4 -b:a 160k -strict -2',
+                  validate: true
+                }
+      file.transcode(converted_path, options)
+
+      converted = File.open converted_path
+
+      # send converted video to dspace
+      dspace_client.items.add_bitstream(converted, id: object.id_dspace, name: "#{video.name.split('.')[0..-2].join('.')}.mp4", description: 'converted from original flv')
+
+      p "Converted video for learning object #{id}"
+    ensure
+      # remove temp files
+      original_bitstream.unlink unless original_bitstream.nil?
+
+      unless converted.nil?
+        converted.close
+        FileUtils.rm converted_path, force: true
+      end
     end
-    return true if video.nil?
-
-    dspace_client = DspaceService.create_client
-
-    # retrieve video from dspace
-    original_bitstream = dspace_client.bitstreams.retrieve(id: video.id)
-
-    # open video with ffmpeg
-    # FFMPEG.ffmpeg_binary = '/usr/local/bin/ffmpeg'
-    FFMPEG.ffmpeg_binary = 'ffmpeg'
-    file = ::FFMPEG::Movie.new(original_bitstream.path)
-    return false unless file.valid? # if ffmpeg fails to read the movie
-
-    converted_path = "#{original_bitstream.path}.mp4"
-
-    # transcode (convert video to mp4)
-    options = {
-                video_codec: "libx264",
-                x264_preset: "fast",
-                custom: '-movflags +faststart -pix_fmt yuv420p -profile:v main -level 3.1 -refs 4 -c:a libfdk_aac',
-                validate: true
-              }
-    file.transcode(converted_path, options)
-
-    converted = File.open converted_path
-
-    # send converted video to dspace
-    dspace_client.items.add_bitstream(converted, id: object.id_dspace, name: "#{video.name.split('.')[0..-2].join('.')}.mp4", description: 'converted from original flv')
-
-    # remove temp files
-    original_bitstream.unlink
-    converted.close
-    FileUtils.rm converted_path, force: true
-
-    p "Converted video for learning object #{id}"
   end
 
 end