rtv-convert.rb

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

# Config
threads = 4
qmin = 10
qmax = 63
poster_seconds = 3

# Site Poster
output =  "Episode#{episode}-360-poster.jpg"
unless File.exist?(output)
  `ffmpeg -y -i #{input} -f mjpeg -vframes 1 -ss #{poster_seconds} -s 640x360 #{output}`
end

# SD Poster
output = "Episode#{episode}-480-poster.jpg"
unless File.exist?(output)
  `ffmpeg -y -i #{input} -f mjpeg -vframes 1 -ss #{poster_seconds} -s 853x480 #{output}`
end

# HD Poster
output = "Episode#{episode}-720-poster.jpg"
unless File.exist?(output)
  `ffmpeg -y -i #{input} -f mjpeg -vframes 1 -ss #{poster_seconds} -s 1280x720 #{output}`
end

# TODO: MP3

# 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

# 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

# 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 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