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Re: Choppy video on Youtube

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On 04/06/2016 08:31 PM, Patrick Bartek wrote:
> On Wed, 06 Apr 2016, Harris Paltrowitz wrote:
>
>> Hi all,
>>
>> First, I'm asking for help on this list because I've observed this to
>> be a very august group :) and I'm actually a bit in awe to be in the
>> presence of Debian developers...  I've only been using Debian for a
>> few weeks -- I'm not new to Linux or Unix, although I'm still a
>> relative beginner.
>>
>> Here's my problem -- when I stream certain videos on Youtube, I
>> consistently get choppy playback performance, whereby the video
>> freezes and restarts randomly, with the audio getting out of sync
>> from that point forward.  The problem is NOT due to the video still
>> being downloaded -- I know this because the progress bar shows that
>> the download is way ahead of my viewing progress.
>>
>> Here are my specs:
>>
>> - Debian Jessie 32-bit (I had installed 8.3 and subsequently ran some
>> updates, but I don't know how to check to see if I'm up to 8.4)
>> - Gnome 3
>> - Firefox 45.0.1
>> - Flash is NOT installed
>> - flashplugin-nonfree is NOT installed
>> - neither gnash nor pepper are installed
>> - example of a video that gets choppy:
>> https://www.youtube.com/watch?v=R6Tok9KUjTw (the problem seems to
>> start during the "man on the street" segments)
>> - When the choppiness is happening, System Monitor tells me that one
>> of my four CPUs is maxing out at 100% at least half the time
>>
>> Hardware:
>> ​- Dell Inspiron 15 3000 Series (Intel(R)) - 3551
>> - Intel Pentium CPU N3540 @ 2.16GHz x 4 (2M Cache, up to 2.66 GHz)
>> - 4GB Single Channel DDR3L 1600MHz (4GBx1)
>> - Graphics: Intel Bay Trail x86/MMX/SSE2
>>
>> I would love to receive help from this list...  thanks much much in
>> advance!
> Why did you install the 32-bit version?  You have a 64-bit system,
> right?
>
> A few months ago, I installed Jessie 32-bit LXDE desktop in VirtualBox
> on a 64-bit host (Wheezy 64-bit) to test video streaming from different
> sources. Videos ran awful like what you describe.  I reinstalled, but
> the 64-bit version.  Videos streamed perfectly.  Everything else
> remained the same.  I just let the installer do its thing.
>
> Why GNOME3?  Could be it's the problem.  I've never been able to try it
> on my systems.  It won't run.  My plain vanilla graphics cards just
> don't have support for it. I get the "fallback" desktop. Also, GNOME3
> has become a bloated resource hog, IMHO.
>
> So, first try the 64-bit version with GANOME3, and if that doesn't
> solve the problem look to a lightweight desktop like LXDE or XFCE, or
> just a window manager.
>
> And, of course, check you've got the latest video driver installed.
>
> B
>

Thanks to all of you who helped with this problem -- here are the 
results of my tests, if you're interested:

- I installed the 64-bit Jessie 8.4 with Gnome 3, but I still had the 
problem.
- I then tried LXDE and Xfce, but I experienced the same problem on both.
- I've noticed that the problem does not occur using Iceweasel 38 that 
ships with Jessie -- the problem only occurs in Firefox 45.  I also 
tried unchecking Hardware Acceleration in Firefox, but that did not help.
- I decided to go with Cinnamon, as I like it the best (I definitely got 
in a nice test of the various desktops during this investigation!) and 
it makes life with my particular trackpad the easiest -- all the other 
desktops were too quirky regarding natural scrolling.

Thanks again!
Harris

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Thread

Choppy video on Youtube Harris Paltrowitz <harris1nyc@gmail.com> - 2016-04-06 18:50 +0200
  Re: Choppy video on Youtube Ric Moore <wayward4now@gmail.com> - 2016-04-06 20:20 +0200
    Re: Choppy video on Youtube Harris Paltrowitz <harris1nyc@gmail.com> - 2016-04-06 20:40 +0200
    Re: Choppy video on Youtube Harris Paltrowitz <harris1nyc@gmail.com> - 2016-04-07 14:20 +0200
      Re: Choppy video on Youtube Lisi Reisz <lisi.reisz@gmail.com> - 2016-04-07 15:10 +0200
        Re: Choppy video on Youtube Harris Paltrowitz <harris1nyc@gmail.com> - 2016-04-07 15:20 +0200
          Re: Choppy video on Youtube Lisi Reisz <lisi.reisz@gmail.com> - 2016-04-07 15:40 +0200
  Re: Choppy video on Youtube Felix Miata <mrmazda@earthlink.net> - 2016-04-06 21:20 +0200
    Re: Choppy video on Youtube Harris Paltrowitz <harris1nyc@gmail.com> - 2016-04-07 14:50 +0200
  Re: Choppy video on Youtube Patrick Bartek <nemommxiv@gmail.com> - 2016-04-07 02:40 +0200
    Re: Choppy video on Youtube Harris Paltrowitz <harris1nyc@gmail.com> - 2016-04-07 15:10 +0200
    Re: Choppy video on Youtube Harris Paltrowitz <harris1nyc@gmail.com> - 2016-04-09 19:20 +0200
  Re: Choppy video on Youtube Sven Arvidsson <sa@whiz.se> - 2016-04-07 16:30 +0200
    Re: Choppy video on Youtube Harris Paltrowitz <harris1nyc@gmail.com> - 2016-04-07 17:10 +0200
      Re: Choppy video on Youtube Lisi Reisz <lisi.reisz@gmail.com> - 2016-04-07 17:20 +0200
      Re: Choppy video on Youtube Felix Miata <mrmazda@earthlink.net> - 2016-04-07 19:20 +0200
        Re: Choppy video on Youtube Harris Paltrowitz <harris1nyc@gmail.com> - 2016-04-07 23:10 +0200

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