Remux mkv to mp4 - how long?

Discussion in 'Apple TV and Home Theater' started by digitaldave, Nov 1, 2012.

  1. digitaldave macrumors regular


    Apr 6, 2006
    I have an mkv file that I have created from a blu-ray disc of mine - it's about 26gb, and has the video in h.264, and the audio in dts 6ch (according to mp4tools - latest beta version). It was ripped using makeMKV, and I only selected the dts audio, not the dts-hd version. I have been trying to remux (not re-encode) to an mp4 using mp4tools (also tried Subler), but it seems that it's taking a very long time - possibly over an hour, it was about half way after half an hour when I stopped the process. I'm using a 2011 MBP 13", 2.3 GHz i5, running OS X 10.8. When I loaded the file in to mp4tools, I selected the passthrough options for both audio and video, thinking that would be the option to remux as opposed to re-encoding.

    Should remuxing take this long? I was hoping it would be a very quick process (a few minutes), but maybe I've got the wrong end of the stick about how long it'll take... Or have I just done something wrong?


  2. orestes1984 macrumors 65816

    Jun 10, 2005
    You're doing something wrong, remuxing should take about as long as it takes to copy and paste the file.
  3. cmcclure16 macrumors regular

    Sep 26, 2007
    If you are trying to remux to play on an Apple TV, you will need to convert the DTS to Dolby Digital.

    For me remuxing an mkv with h.264 and DTS to an mp4 and converting the DTS to 640kbps DD + a 2ch AAC doesn't take more than a couple minutes at most.

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