ffmpeg-foo.rb

#command:
#rake create_video -- --source=./preview-video-iphone-x.mov --times=0:30-0:45,0:15-0:65,0:13-4:40


require 'optparse'

task :create_video do
  options = {}
  o = OptionParser.new do |opts|
    opts.banner = "Usage: rake add [options]"
    opts.on("-s SOURCE", "--source SOURCE", String) { |source| options[:source] = source }
    opts.on("-t TIMES", "--times TIMES", String) { |times| options[:times] = times }
  end

  args = o.order!(ARGV) {}
  o.parse!(args)

  puts options[:source]
  puts options[:times]

  time_values = options[:times].split(',').map do |token|
    puts token
    start_t = token.split('-').first
    puts start_t
    end_t = token.split('-').last
    puts end_t
    { start_t: start_t, end_t: end_t}
  end

  puts "#{time_values}"

  # create multiple videos
  time_values.map do |t|
    #puts "#{t}"
    #puts "ffmpeg #{t[:start_t]} #{t[:end_t]}"
    #sh   "ffmpeg #{t[:start_t]} #{t[:end_t]}"
  end

  # combine plus cross fade

  # speed up if needed

  # resize
  puts "ffmpeg -i #{options[:source]} -vf scale=1920:886 output.mov"
  sh   "ffmpeg -i #{options[:source]} -vf scale=1920:886 output.mov"
end