Class: Jwthumbs::Vtt

Inherits:
Object
  • Object
show all
Defined in:
lib/vtt.rb

Instance Method Summary collapse

Constructor Details

#initialize(movie, spritefile, images_count, coords, gridsize) ⇒ Vtt

Returns a new instance of Vtt.



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# File 'lib/vtt.rb', line 4

def initialize(movie, spritefile, images_count, coords, gridsize)
  @movie = movie
  create(movie, spritefile, images_count, coords, gridsize)
  clear_files if @movie.clear_files

end

Instance Method Details

#create(movie, spritefile, images_count, coords, gridsize) ⇒ Object 



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# File 'lib/vtt.rb', line 11

def create(movie, spritefile, images_count, coords, gridsize)
  whxy = coords.split(/\+([^.]*)$/)
  w,h = whxy.first.split("x").map {|x| x.to_i}
  x,y = whxy.last.split("+").map {|x| x.to_i}
  thumb_rate = movie.seconds_between
  count = images_count

  vtt = ["WEBVTT",""]
  clipstart = 0
  clipend = clipstart + thumb_rate
  
  count.times do |x|
    x = x+1
    xywh = get_grid_coordinates(x,gridsize,w,h)
    start = get_time_str(clipstart)
    clip_end = get_time_str(clipend)
    vtt.push("#{start} --> #{clip_end}")
    vtt.push("#{spritefile}#xywh=#{xywh}")
    vtt.push("")
    clipstart = clipend
    clipend = clipend + thumb_rate
  end
   
    vtt_path = movie.outdir+"/"+movie.vttfile
    File.open(vtt_path, 'w+') do |f|
      f.write(vtt.join("\n")) 
  
  end
 
end