- # frozen_string_literal: true
-
- module Paperclip
- # This transcoder is only to be used for the MediaAttachment model
- # to convert animated gifs to webm
- class GifTranscoder < Paperclip::Processor
- def make
- return File.open(@file.path) unless needs_convert?
-
- final_file = Paperclip::Transcoder.make(file, options, attachment)
-
- attachment.instance.file_file_name = File.basename(attachment.instance.file_file_name, '.*') + '.mp4'
- attachment.instance.file_content_type = 'video/mp4'
- attachment.instance.type = MediaAttachment.types[:gifv]
-
- final_file
- end
-
- private
-
- def needs_convert?
- num_frames = identify('-format %n :file', file: file.path).to_i
- options[:style] == :original && num_frames > 1
- end
- end
- end
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