class Transcode < XMorph::Base
  DEFAULT = "default"
  def set_profiles
    self.profiles = {
      DEFAULT => "ffmpeg -y -i %{IN} -map 0:v:0 -map 0:a:0 -acodec libfdk_aac -profile:a aac_low -ac 2 -ar 48000 -ab 192k -vcodec libx264 -vf \'fps=fps=29.97,scale=1920:1080\' -pix_fmt yuv420p -g 13 -bf 2 -profile:v high -vb 18000k -minrate:v 18000k -maxrate:v 18000k -bufsize:v 36000k -muxrate 19000k -x264opts nal-hrd=cbr:force-cfr=1 -pes_payload_size 16 -streamid 0:2064 -streamid 1:2068 %{OUT} 2>&1",
  	}
  end

  def video_checks
    {
      ALLOWED_ASPECT_RATIO => ["16:9"],
      ALLOWED_HEIGHT => [1080, 2160],
      ALLOWED_WIDTH => [1920, 3840], 
      ALLOWED_FRAME_RATE => IGNORE,
      ALLOWED_VIDEO_BIT_RATE => IGNORE, #Mbps
      ALLOWED_SCAN_TYPE => IGNORE, #all downcased
    }
  end

  def audio_checks
    {
      PRESENCE_OF_AUDIO_TRACK => VALIDATE,
      ALLOWED_NUMBER_OF_AUDIO_TRACKS => [1],
      ALLOWED_AUDIO_CODECS => ["aac", "pcm"],
      ALLOWED_AUDIO_BIT_RATE => IGNORE,
      ALLOWED_NUMBER_OF_AUDIO_CHANNELS => [2],
    }
  end

  # Same  transcode rule is applied for all assets.
  def set_profile_name
    self.profile_name = DEFAULT
    XMorph::Base.logger.debug("XMorph#set_profile_name#tastemade: using profile #{self.profile_name}") unless self.profile_name.nil?
    return true
  end
end