On 09/12/2016 01:21 PM, Zdenek Kabelac wrote: > Dne 12.9.2016 v 17:48 Basil Mohamed Gohar napsal(a): >> On 09/11/2016 02:19 PM, stan wrote: >>> On Sat, 10 Sep 2016 22:04:22 -0400 >>> Basil Mohamed Gohar <basilgo...@librevideo.org> wrote: >>> >>> >>>>> On 09/08/2016 03:44 AM, Basil Mohamed Gohar wrote: >>>>>> Even since I installed F24 on both my desktop as well as my laptop >>>>>> I've noticed a severe performance degradation in terms of video >>>>>> playback. >>> >>> Is this using a browser, or a player on the system, like vlc or mplayer? >>> What does your 'severe performance degradation' consist of? Dropped >>> frames? Lock up? Artifacts? Could network congestion or speed be a >>> factor? Or do you just mean that the gui is slow to respond? >>> >>>>>> >>>>>> I've noticed this performance issue in both MATE (my preferred DE) >>>>>> as well as Gnome. I have AMD CPUs with AMD GPUs (the laptop is an >>>>>> APU but also has a discrete card as well). >>>>>> >>>>>> I don't want to use devel just to report a problem, but I'd also >>> >>> This really belongs on users. You can subscribe to users by >>> sending an email message to >>> users-requ...@lists.fedoraproject.org >>> with subscribe in the subject line, and from email address >>> basilgo...@librevideo.org >>> >>>>>> like some help in diagnosing the issue so that a fix can be found >>>>>> – but unfortunately I don't really know where to start. >>> >>> What does top show happening on your system when you notice the problem? >>> How about iotop? Is there lots of disk usage happening? Are there >>> things like locate or other search aids running in the background to >>> update their databases? Are you updating your system when it seems >>> slow? Is your system memory constrained? Other cron scheduled jobs? >>> This usually is really heavy early in system usage as they build their >>> databases, and then tapers off as only incremental changes are made. >>> >>> It's unlikely to be due to F24, more likely to be due to your situation. > > Personally I'm also interested why the video playback in Firefox is so > horrible. > > I'm using C2D - this is easily capable to play high bitrate FullHD > movies in mplayer. > > Yet it gets chooked by quite low-bandwidth low quality 640-pixel-wide > videos from Youtube. > > Doesn't really matter much if the native h265 codec is used or it's > passed through the oldish 'flash' adobe plugin. > > Looking at 'perf' trace - it obviously spends ages in libxul - and it's > very quickly passing though ffmpeg library used now by 'ff'. > > There is some 'minor' difference between h265/flash playback > smoothness - but none of them is NOWHERE near to be usable. > > So whenever I want to see a video playing fluently without using some > later 4x3GHz i7 CPU - I simply need to download video and play via > mplayer.... > > I'd love to see some progress here - but it's getting worst with each > new relase of FF - not mentionion 'FF' starts to cut interfaces so less > and less plugins do work. And no I see zero interest of 'ff' group to > solve this issue for Linux - they mostly care purely about windows these > days :(.... > > > And of course horrible playback is in '-safe-mode' as well - so no > plugin could be accused for this. As well as I'm using -nodebug Fedora > kernels > and latest/greatest SNA xf86 driver. > > Regards > > Zdenek
Funny, mplayer by default has the same or similar stuttering that I see in Totem and Firefox. I haven't tried with different draw/acceleration methods (there are plenty), so it's whatever's being used by default. Again, to contrast, VLC video playback is smooth as butter. -- Libre Video http://librevideo.org -- devel mailing list devel@lists.fedoraproject.org https://lists.fedoraproject.org/admin/lists/devel@lists.fedoraproject.org
