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Thread: mythtranscode in 9.10

  1. #1
    Join Date
    Feb 2008
    Beans
    279

    mythtranscode in 9.10

    I have some recordings I wanted to save off and make a bit smaller in size. They are approx 5-6 gb each(mpeg2 HD recordings). I tried to use the transcode in the mythweb page. It changed the file from 5.2 gb to 11.4 gb in size! I thought the transcode feature was to shrink the file in size?
    Only thing I changed was the setting in autodetect from rtjpeg to mpeg4.

    I cant find any good info on transcoding in mythtv. Anyone got a decent howto on it?

  2. #2
    Join Date
    Jan 2010
    Beans
    137

    Re: mythtranscode in 9.10

    personally i use handbrake or acid rip, to make them smaller just pick an avi container and set the destination size, basically recode them to xvid if it is an option, or you can transcode it to a smaller final size
    "Linux allows for one thing above all else - 'A user can truly be themselves!'" - Myself 02/21/2009

  3. #3
    Join Date
    Feb 2008
    Beans
    606
    Distro
    Ubuntu 11.04 Natty Narwhal

    Re: mythtranscode in 9.10

    Sadly, MythTV seems to treat the specified bit-rate as a vague hint rather than a hard limit; if I record MPEG-2 off a station with some interference and then tell MythTV to transcode to H.264 at half the bit rate it's quite likely to double the size of the file instead.

  4. #4
    Join Date
    Sep 2006
    Beans
    14

    Re: mythtranscode in 9.10

    Quote Originally Posted by 4dognight View Post
    I have some recordings I wanted to save off and make a bit smaller in size. They are approx 5-6 gb each(mpeg2 HD recordings). I tried to use the transcode in the mythweb page. It changed the file from 5.2 gb to 11.4 gb in size! I thought the transcode feature was to shrink the file in size?
    Only thing I changed was the setting in autodetect from rtjpeg to mpeg4.

    I cant find any good info on transcoding in mythtv. Anyone got a decent howto on it?
    I have similar concerns.
    Seems odd that this is not a common issue.

    For me, I want some shows compressed for easier streaming over the network to low-powered machines like netbooks.

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