Sha256: ae5c9c70df86ea0afa2b7e42521d4f93fb0fe50aea0b86b30efe745a609c6f62
Contents?: true
Size: 1.91 KB
Versions: 7
Compression:
Stored size: 1.91 KB
Contents
class Transcode < XMorph::Base
CINEDIGM_CONTENT = "cinedigm_content"
DEFAULT = "default"
def set_profiles
self.profiles = {
CINEDIGM_CONTENT => "ffmpeg -y -i %{IN} -map 0:v:0 -map 0:a:0 -acodec libfdk_aac -profile:a aac_low -ac 2 -ar 48000 -ab 192k -vcodec libx264 -vf 'fps=fps=29.97,scale=1920:1080' -pix_fmt yuv420p -g 13 -bf 2 -profile:v high -vb 30000k -minrate:v 30000k -maxrate:v 30000k -bufsize:v 60000k -muxrate 31000k -x264opts nal-hrd=cbr -pes_payload_size 16 -streamid 0:2064 -streamid 1:2068 %{OUT} 2>&1",
DEFAULT => "ffmpeg -y -i %{IN} -vcodec copy -vbsf h264_mp4toannexb -acodec copy -map 0:v -streamid 0:2064 -map 0:a -streamid 1:2068 -metadata:s:a:0 language=ENG %{OUT} 2>&1",
}
end
def video_checks
{
ALLOWED_ASPECT_RATIO => ["16:9"],
ALLOWED_HEIGHT => [1080],
ALLOWED_WIDTH => [1920],
ALLOWED_FRAME_RATE => IGNORE,
ALLOWED_VIDEO_BIT_RATE => IGNORE, #Mbps
ALLOWED_SCAN_TYPE => IGNORE, #all downcased
}
end
def audio_checks
{
PRESENCE_OF_AUDIO_TRACK => VALIDATE,
ALLOWED_NUMBER_OF_AUDIO_TRACKS => [1],
ALLOWED_AUDIO_CODECS => ["aac", "mpeg audio"],
ALLOWED_AUDIO_BIT_RATE => IGNORE,
ALLOWED_NUMBER_OF_AUDIO_CHANNELS => [2],
}
end
#profiles are classified based on fps and bit rate.
def set_profile_name
self.profile_name = nil
self.error = nil
mediainfo = self.mediainfo_output
video_info = mediainfo["Video"]
fps = video_info["Frame_rate"]
bit_rate = video_info["Bit_rate"] || video_info["Nominal_bit_rate"]
fps = video_info["Frame_rate"].match("29.97")
bit_rate = bit_rate.split(" ")[0].to_f
if !fps || bit_rate < 30;
self.profile_name = CINEDIGM_CONTENT
else
self.profile_name = DEFAULT
end
XMorph::Base.logger.debug("XMorph#set_profile_name#tyt: using profile #{self.profile_name}") unless self.profile_name.nil?
return true
end
end
Version data entries
7 entries across 7 versions & 2 rubygems