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Full screen playback resolution in iPlayer Desktop is subtly buggy

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  • Message 1. Posted by JavaBaba (U13930494) on Thursday, 23rd April 2009 permalink

    If I resize the iPlayer Desktop to a small size and click for fullscreen playback I get a blurry, low resolution full screen video. If I resize the window to a large size before clicking fullscreen I get good resolution, but choppy playback.

    I'm guessing this is a software bug so will just have to wait for next version. The iPlayer Desktop's video playback seems very inefficient (computationally).

    My specs:
    iPlayer Desktop Version 1.0.2302
    AMD Athlon XP 3000+
    1 GB
    WinXP Pro
    Radeon X1650 Series

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  • Message 2. Posted by matt (U8621220) on Thursday, 23rd April 2009 permalink

    Hi,
    This is because the small iPlayer window uses a lower quality version of the stream to the bigger window. If you shrink the window, you get the 800kbps stream which won't look as good in fullscreen. If you use the bigger window, you will use the 1500kbps stream which will look much better in fullscreen mode.

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  • Message 3. Posted by matt (U8621220) on Thursday, 23rd April 2009 permalink

    The choppyness of the better quality video might be caused by your internet connection not being able to cope with the higher internet speed this needs.

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  • Message 4. Posted by JavaBaba (U13930494) on Thursday, 23rd April 2009 permalink

    You misunderstood what I said. I'm not talking about the flash player, but the iPlayer Desktop software.

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  • Message 5. Posted by pbryanw (U13919893) on Thursday, 23rd April 2009 permalink

    Hi, I've also observed this on my Mac. It seems iPlayer Desktop can't run smoothly in a full size window at my default desktop resolution (1920x1080). If I make the window smaller, the video runs smoothly and, as you noted, if you then go fullscreen, there is no jerkiness at some expense of quality.

    I don't know whether it's something the BBC can fix or whether the problem lies with Adobe? I'd also be interested to know what resolution you are running your desktop?

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  • Message 6. Posted by Hesiodos (U13883977) on Friday, 24th April 2009 permalink

    Matt, I get completely out-of-sync (audio/visual) choppy playback when I'm offline, and have nothing but the desktop running! No need for connection to web, etc. Just playing back a half-hour programme it took 2 hours to get. And the thing is using CPU at over 150%, so overheats and shuts down after fifteen minutes....

    Nearly useless.

    System: Ubuntu 8.10; Browser firefox
    Linux 2.6.27-11-generic
    dual Pntium R4 processors; 3.2GHz
    502Mib RAM; plenty of disc space available.

    Installation appeared to go flawlessly. Performance in use makes it not worth using,

    Good luck finding solutions
    ed


    Something's seriously wrong No problems with vids from elsewhere, but some TINY ones on bbc sites can demand as much as 137% CPU, e.g.:
    www.bbc.co.uk/radio4...
    and it goes out of sync and choppy.......

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  • Message 7. Posted by Manorfarm (U9426747) on Friday, 24th April 2009 permalink

    I think that it' probably a problem with Adobe. If you look at the release notes for iplayer desktop all the know issues are now adobe problems, which should be fixed when the next version of air arrives. The release notes can be found at: www.bbc.co.uk/iplaye...

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  • Message 8. Posted by milliepuppy (U13928069) on Friday, 24th April 2009 permalink

    Adobes system requirements for AIR are so unrealistic.. there is no way a machine of that spec could run iplayer desktop .. before i could stream on a Atom 1.6 netbook .. alas no more ...

    Intel® Pentium® III 1GHz or faster processor, 512MB of RAM

    Recommended: Pentium 4 2GHZ or faster, 1GB RAM

    Windows Vista® Home Premium, Business, Ultimate, or Enterprise including 64 bit editions, Windows Vista SP1, Windows XP Tablet PC Edition SP2 and SP3, Windows XP SP2 and SP3, Windows 2000 SP4, Windows 2003 Server

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  • Message 9. Posted by JavaBaba (U13930494) on Saturday, 25th April 2009 permalink

    Sorry about late reply. My screen resolution is 1280x1024.

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  • Message 10. Posted by Onslow The Cat (U13672446) on Saturday, 25th April 2009 permalink

    The recommended screen resolution for iplayer in Windows used to be 1024 x 768 x medium (16bit) colour... try that to see if it improves the video quality in full screen.

    Your current resolution might be giving your graphics card a bit of a work-out when it plays higher quality iPlayer video.

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  • Message 11. Posted by JavaBaba (U13930494) on Saturday, 25th April 2009 permalink

    I'm reaching the conclusion that there's something basically inefficient and buggy about either the iPlayer Desktop software or Adobe AIR (or both).

    Other media players I have perform a lot better. I can play 720p wmv videos using WMP and 720p h.264 videos using VLC Player for example. Whereas the iPlayer software uses 100% cpu for standard def.

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