Is this just my problem?

Discussion in 'PowerPC Macs' started by honam1021, Aug 12, 2013.

  1. honam1021, Aug 12, 2013
    Last edited: Aug 12, 2013

    honam1021 macrumors regular

    Joined:
    Nov 4, 2012
    #1
    I tried to play 2 1080p videos (Ripped from iTunes and Youtube respectively) on my 2.0 DP, Quicktime freezes every few seconds, VLC isn't much better(Smooth at the beginning then start dropping frames).

    http://youtu.be/72mm8nTkW2o (It may take a while before it's processed)
    (For some reason the second trailer plays better than the first one but it's still choppy)

    My unit's air deflector is missing(It's insanely hard to find one in my region, you can notice the fan blasting in the background), it's true that the G5 will underclock(and slow down video playback) if it's missing?
     
  2. RamCpu macrumors member

    Joined:
    Aug 6, 2013
    #2
    It might be the video format, go with mov or avi most wacky video formats have garbage decoders
     
  3. honam1021 thread starter macrumors regular

    Joined:
    Nov 4, 2012
    #3
    Not every video format will play smoothly?
     
  4. Zotaccian macrumors 6502a

    Zotaccian

    Joined:
    Apr 25, 2012
    #4
    According to Apple your computer will run with reduced speed if you don't have the air deflector. I have never inspected it but I assume the mechanism to be quite simple, maybe magnet or something so maybe you could try fooling the machine to believe that the deflector is in place. G5 runs hot and I'm not sure how important the deflector is but it is probably wise to check temps if you manage to figure out a way to fool the machine.
     
  5. cocacolakid macrumors 65816

    cocacolakid

    Joined:
    Dec 18, 2010
    Location:
    Chicago
    #5
  6. Nameci macrumors 68000

    Nameci

    Joined:
    Oct 29, 2010
    Location:
    The Philippines...
  7. honam1021 thread starter macrumors regular

    Joined:
    Nov 4, 2012
    #7
    Just insert a paper into the third hole at the right corner, since my intake fans are also broken I am worried it'd overheat
     
  8. MrPilot macrumors 6502

    Joined:
    Apr 30, 2013
    #8
    download xbmc 9.11 (fastest playback) or 11 (latest PPC version) that will enable 1080p playback.
     
  9. gavinstubbs09 macrumors 65816

    gavinstubbs09

    Joined:
    Feb 17, 2013
    Location:
    NorCal boonies ~~~by Reno sorta
    #9
    I use VLC and it likes to lag with 1080p 4GB files.

    Early 2005, Dual 2.0, 2GB Ram
     
  10. Swampus, Aug 13, 2013
    Last edited: Aug 14, 2013

    Swampus macrumors 6502

    Swampus

    Joined:
    Jun 20, 2013
    Location:
    Winterfell
    #10
    Older versions of VLC (1.x.x) tend to work better than version 2.x.x. Not sure if it's true, but I've read that some AltiVec code is disabled in version 2. (Edit: This may no longer be true with version 2.0.8. See below).

    That said, I'd work on those cooling issues before experimenting with 1080p too much. Any way that you end up playing them will push your CPUs pretty hard.
     
  11. rjcalifornia macrumors 6502a

    rjcalifornia

    Joined:
    Oct 4, 2012
    Location:
    El Salvador
    #11
    You are correct.
     
  12. Anonymous Freak macrumors 601

    Anonymous Freak

    Joined:
    Dec 12, 2002
    Location:
    Cascadia
    #12
    Correct. As an example, Blu-ray discs can be in either MPEG-2 or MPEG-4/AVC format. MPEG-2 requires less overhead, but tends to be larger file size for the same quality, compared to AVC.

    The G5 should be able to handle MPEG-2 with no problems at all, but may struggle on higher-bitrate AVC.

    In addition, some codecs have hardware-assisted decoding in certain graphics chips; while others rely solely on the CPU at present. And the ability to use hardware assistance varies from player software to player software as well.
     
  13. honam1021 thread starter macrumors regular

    Joined:
    Nov 4, 2012
    #13
    Both trailers are actually MP4, but I guess the Pacific Rim trailer has a much higher bitrate than the DM2 trailer
     
  14. MrPilot macrumors 6502

    Joined:
    Apr 30, 2013
    #14
    the latest 2.0.8 seemed as fast as 1.1.12
     
  15. Swampus macrumors 6502

    Swampus

    Joined:
    Jun 20, 2013
    Location:
    Winterfell
    #15
    Thanks for the heads up! After a few tests, I think you are more than correct. I think it's even faster. I guess this was just released a couple of weeks ago?

    ----------

    Wow! Is this more efficient than Core Player? I have "skip the loop filter for h.264 decoding" set to "all", but I'm getting better CPU performance playing 1080p on my dual G4 MDD with VLC than with Core Player--About 10-15% lower CPU load with VLC and still pretty good quality even with those settings.

    Wow!!!!
     
  16. AdrianK macrumors 68020

    Joined:
    Feb 19, 2011
    #16
    Or VC-1 ;)

    Why not provide a MediaInfo report rather than speculating?
     

Share This Page