rtv-convert.rb

#
# Refactor.tv Convert
#
# Before running, you will need to install FFMPEG with libvorbis and libvpx (for WebM)
# $ brew install ffmpeg --with-libvorbis --with-libvpx
#
# Now run the following to get started:
# $ ruby convert.rb Episode003-master.mov 003
#

input = ARGV[0]
episode = ARGV[1]
unless input and episode
  puts 'Usage: ruby convert.rb Episode003-master.mov 003'
  exit
end

# Config
threads = 4
qmin = 10
qmax = 63

# MP4 SD
output = "Episode#{episode}-480.mp4"
unless File.exist?(output)
  `ffmpeg -threads #{threads} -i #{input} -i_qfactor 0.71 -qcomp 0.6 -qmin #{qmin} -qmax #{qmax} -qdiff 4 -trellis 0 -vcodec libx264 -s 640x480 -b:v 1000k -b:a 56k -ar 22050 #{output}`
end

# MP4 HD
output = "Episode#{episode}-720.mp4"
unless File.exist?(output)
  `ffmpeg -threads #{threads} -i #{input} -i_qfactor 0.71 -qcomp 0.6 -qmin #{qmin} -qmax #{qmax} -qdiff 4 -trellis 0 -vcodec libx264 -s 1280x720 -b:v 1000k -b:a 56k -ar 22050 #{output}`
end

# WebM SD
output = "Episode#{episode}-480.webm"
unless File.exist?(output)
  `ffmpeg -threads #{threads} -i #{input} -keyint_min 0 -g 250 -skip_threshold 0 -qmin #{qmin} -qmax #{qmax} -vcodec libvpx -b 614400 -s 640x480 -aspect 16:9 -acodec libvorbis -y #{output}`
end

# WebM HD
output = "Episode#{episode}-720.webm"
unless File.exist?(output)
  `ffmpeg -threads #{threads} -i #{input} -keyint_min 0 -g 250 -skip_threshold 0 -qmin #{qmin} -qmax #{qmax} -vcodec libvpx -b 614400 -s 1280x720 -aspect 16:9 -acodec libvorbis -y #{output}`
end