Looks like copied tempfile need to be flushed before further processing. This issue won't happen if the uploaded file has enough file size.
		
			
				
	
	
		
			27 lines
		
	
	
		
			827 B
		
	
	
	
		
			Ruby
		
	
	
	
	
	
			
		
		
	
	
			27 lines
		
	
	
		
			827 B
		
	
	
	
		
			Ruby
		
	
	
	
	
	
# frozen_string_literal: true
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module Paperclip
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  # This transcoder is only to be used for the MediaAttachment model
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  # to convert animated gifs to webm
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  class GifTranscoder < Paperclip::Processor
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    def make
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      num_frames = identify('-format %n :file', file: file.path).to_i
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      unless options[:style] == :original && num_frames > 1
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        tmp_file = Paperclip::TempfileFactory.new.generate(attachment.instance.file_file_name)
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        tmp_file << file.read
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        tmp_file.flush
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        return tmp_file
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      end
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      final_file = Paperclip::Transcoder.make(file, options, attachment)
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      attachment.instance.file_file_name    = 'media.mp4'
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      attachment.instance.file_content_type = 'video/mp4'
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      attachment.instance.type              = MediaAttachment.types[:gifv]
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      final_file
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    end
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  end
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end
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