Haswell RMBp 15 video playback time on battery

Discussion in 'MacBook Pro' started by Gauranga-caran, Dec 3, 2013.

  1. Gauranga-caran macrumors newbie

    Jul 29, 2013
    Hi, folks.
    I was trying very hard to squeeze good battery life out of my
    late 3013 i7 2.3/16/512 ssd 750m model

    In the reviews they say it lasted for 8+ hours video playback, although
    I can't make it live more than 7
    1.5 hours is a huge difference :)

    I have tried all available video players, as I watch fullhd mkv files.

    the latest movist is taking less processor time during playback, so I use it, since vlc,mplayerx, and others use at least twice processor time.

    Also setting resolution to 2880 helps a little, brightness 40%, but still, about 7 hours.

    Any suggestions ?
    The battery is now 29 cycles, 100% capacity, so thats not a problem
  2. alphaod macrumors Core


    Feb 9, 2008
    Depends on what you use for video playback. If Apple quotes 8 hours, I assume they mean via videos on iTunes.
  3. Gauranga-caran thread starter macrumors newbie

    Jul 29, 2013
    As I`ve stated in my previous post, I use movist.

    quicktime is pretty useless, since it doesn't support external codecs in 10.9.

    Any real life experiences ?
  4. priitv8 macrumors 68030

    Jan 13, 2011
    I bet your poorer result is due to the need to recode the stream on the fly. Apple's results were achieved with iTunes content (AVC+AAC) that plays natively in QT. Even if the video stream in your MKV is with 99% probability AVC, the audio (DTS or AC3) needs to be transcoded.
    PS Mac BluRay Player plays MKVs with DTS audio flawlessly.
    PPS I also still use QT 7 on my 10.9 because it can take advantage of Perian.

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