Page 3 of 3 FirstFirst 123
Results 21 to 27 of 27

Thread: Using NVIDIA's VDPAU On Mobile Platforms

  1. #21
    Join Date
    Oct 2007
    Posts
    92

    Default

    Quote Originally Posted by brent View Post
    Sorry, but these benchmarks are crap, for several reasons.

    First (*), using CPU-based decoding, the file does not play in realtime. No word about that in the article; it almost looks like the author failed to notice or understand it.
    The Atom 330 (not N330, which does not exist, by the way) is a dual-core w/ SMT and appears as 4 logical cores. This means 25% CPU load in the graph represent full load on one core. The other cores are not used at all - MPlayer is single-threaded.

    Second, hardware accelerated colorspace conversion should be activated when gl2 is used for best results. The suboption "yuv=2" does that.

    Third, knowing (*) it doesn't make sense to compare power consumption.

    Fourth, the sample is very low on bitrate. Please use a somewhat more demanding sample. Try this, for example: http://www.stfcc.org/misc/SAMPLE-Clo...264-CtrlHD.mkv
    There is a multithreaded mplayer .. your sample is not playable at all on a 2.66ghz core 2 duo but works fine on the same machine with mplayer-mt. (And I agree that the benchmark is a joke).

  2. #22
    Join Date
    May 2007
    Location
    Third Rock from the Sun
    Posts
    6,587

    Default

    Quote Originally Posted by brent View Post
    Fourth, the sample is very low on bitrate. Please use a somewhat more demanding sample. Try this, for example: http://www.stfcc.org/misc/SAMPLE-Clo...264-CtrlHD.mkv
    The cloverfield sample is technically illegal in the US (and other countries) and can't be legally redistributed without consent of the studio. Even use of the clip can be illegal as well. It's a great clip to test but falls well outside "safe and legal" sources.

  3. #23
    Join Date
    Jan 2010
    Posts
    368

    Default

    Quote Originally Posted by Dragoran View Post
    There is a multithreaded mplayer
    Yes... but it's not usable in mainline MPlayer svn, only git, and obviously wasn't used in this benchmark.

  4. #24
    Join Date
    Aug 2007
    Posts
    6,673

    Default

    It is really easy to get mplayer-mt, i have got one script for this to demonstrate how to do that.

  5. #25
    Join Date
    Oct 2007
    Location
    Under the bridge
    Posts
    2,153

    Default

    Quote Originally Posted by Kano View Post
    It is really easy to get mplayer-mt, i have got one script for this to demonstrate how to do that.
    Kano, your tagline should be changed to "Scriptmaster". Don't deny your dentistry! No matter what the issue is, you always have a script ready to use.

  6. #26

    Default

    Quote Originally Posted by BlackStar View Post
    Kano, your tagline should be changed to "Scriptmaster". Don't deny your dentistry! No matter what the issue is, you always have a script ready to use.
    I think you mean "destiny" not "dentistry." :-)

    By the way, that video is very resource-intensive. It slows down when playing with VDPAU on my 8600mGT. (The CPU usage is only 5-6%, though.)

  7. #27
    Join Date
    Oct 2007
    Location
    Under the bridge
    Posts
    2,153

    Default

    Quote Originally Posted by thefirstm
    I think you mean "destiny" not "dentistry." :-)
    Nope, that was on purpose.

Tags for this Thread

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •