Sha256: 51adfd2e1d2c45be2563d9aaa9dc11dba2574b7b032736681e3825dac3cf81fe
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Size: 820 Bytes
Versions: 15
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Stored size: 820 Bytes
Contents
# Created by: Justin Coyne
# 13 Dec 2012
# An asyncronous job for transcoding video files using FFMpeg
class TranscodeVideoJob < FfmpegTranscodeJob
def queue_name
:video
end
def process
encode_mp4()
encode_webm()
end
private
def encode_webm
# -g 30 enforces keyframe generation every second (30fps)
# -b:v is the video bitrate
# -acodec is the audio codec
opts = "#{size_attributes} -g 30 -b:v 345k -acodec libvorbis #{audio_attributes}"
encode_datastream('webm', 'video/webm', opts)
end
def encode_mp4
opts = "#{size_attributes} -b:v 345k -vcodec libx264 -acodec libfaac #{audio_attributes} "
encode_datastream('mp4', 'video/mp4', opts)
end
def size_attributes
"-s 320x240"
end
def audio_attributes
"-ac 2 -ab 96k -ar 44100"
end
end
Version data entries
15 entries across 15 versions & 2 rubygems