Discussion Forums > Technology
Video playback on a netbook
lapa321:
Since i couldn't find any netbook specific reviews, i broadened my search and came up with this.
http://imouto.my/watching-h264-videos-using-dxva/
I have an I5-750 / ATI 5850. I figure that since it's also from ATI, it might be a good way to test what video acceleration was about. The results were mixed.
The Planet Earth and the Kanon videos. They both ran 30% on Windows 7 media player (Up to 50% on Planet Earth). When i tried MPCHC, Kanon dropped to 5%, Planet Earth stayed at 30%. If this is an indicator of what'll happen on the U230 (3200HD vs my 5850HD), then i'm gonna be back on the fence between the u230 and 1201n.
Does BakaBt have some sort of policy on how the videos are encoded? If not, i hope they put one in place that makes sure the videos are GPU compatible :-\
fohfoh:
Aren't most GPU video decoding based on either games or media in your either blu ray slot or DVD rom slot? I have no idea... just asking. AFAIK, there isn't a huge difference based on video cards for video playback. At least, I haven't really seen or tested some of the new stuff lately.
namaiki:
@lapa321: try this setting file for DXVA in MPC-HC.
http://www.mediafire.com/file/2jnmzqzwodu/mpc-hc.ini
put it in the same folder as your MPC-HC.exe
It's exactly what I wrote below.
Also, remember that if you are calculating CPU % usage, put your PC on the High Performance power profile so that the CPU doesn't downclock and try to save power, which would increase the CPU % usage reading.
--- Quote from: lapa321 on May 15, 2010, 03:01:28 AM ---Does BakaBt have some sort of policy on how the videos are encoded? If not, i hope they put one in place that makes sure the videos are GPU compatible :-\
--- End quote ---
Probably never, as it can reduce video quality.
Also, I hope you didn't disable V-sync like that tutorial asked you to, and a few other things.
All you needed to do (on Windows Vista or 7) was:
1: Select an EVR video renderer (EVR-CP if you need subtitles)
2: Select a DXVA video filter (either mpc-hc's internal one or the MS DTV-DVD video decoder)
3: Tick auto-load subtitles.
@fohfoh: For displaying video, no there is not any difference. However, some video cards allow you to decode video on the video card itself instead of on the CPU. This can make a difference when the CPU itself isn't fast enough to decode the video.
lapa321:
I just tried Summer Wars, it's running at 20-30% CPU! I tried switching between Summer Wars and the Kanon sample video. Summer Wars isn't getting accelerated!!! :'(
@namaiki
Thanks, checking.
namaiki:
lol try my settings file. Please tell me if it works (generally only with Windows 7, though).
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