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mastodon/lib/paperclip/gif_transcoder.rb

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# 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
num_frames = identify('-format %n :file', file: file.path).to_i
unless options[:style] == :original && num_frames > 1
tmp_file = Paperclip::TempfileFactory.new.generate(attachment.instance.file_file_name)
tmp_file << file.read
return tmp_file
end
final_file = Paperclip::Transcoder.make(file, options, attachment)
attachment.instance.file_file_name = 'media.mp4'
attachment.instance.file_content_type = 'video/mp4'
attachment.instance.type = MediaAttachment.types[:gifv]
final_file
end
end
end