Am Freitag, den 05.06.2009, 15:42 +0200 schrieb Thomas Hilber:
On Fri, Jun 05, 2009 at 11:17:54AM +0200, jori.hamalainen@teliasonera.com wrote:
It would mean that no judder and studder on HD-quality. With VDPAU the problem still might be "50Hz vs 50.02Hz" -thing so you cannot get frame accurate display. With every 5 seconds you might have duplicated display of frame or dropped frame. This is not acceptable by my
I fully agree. The *only* way to overcome this is by synchronizing VGA video timing to DVB-stream clock.
I realized this for some ATI-Radeon and Intel-GMA hardware. Even the brandnew Intel D945GSEJT now is fully supported with VGA/SCART/DVI/HDMI output.
Could you test your boards with HD-material, for example some movie trailers? Could you please share your results, what resolutions are possible to play and how much the system usage is doing so?
I found the following on VDR-Portal. Your mpstat results for playing SD material [2] and x.264 encoded material [3] from [8]. [4] has a row »HDTV Video Wiedergabe« which says non-fluent playback. [5] claims to be playing 1080p HD material on an ASUS EeePC 901. Specifications for the GMA 950 from Intel state »HDTV 480i/p, 576i/p, 720i/p and 1080i/p display resolution support« [7]. [6] says something similar.
So is the following summary correct? The hardware is capable to play certain HDTV resolutions, but the xf86-video-intel driver does not support it yet.
Thanks,
Paul
[1] http://www.vdr-portal.de/board/thread.php?postid=816759#post816759 [2] http://www.vdr-portal.de/board/thread.php?postid=816443#post816443 [3] http://www.vdr-portal.de/board/attachment.php?attachmentid=22074 [4] http://www.minitechnet.de/asus-n10_5.html [5] http://www.youtube.com/watch?v=JVf3PtNF-j0 [6] http://www.intel.com/design/intarch/applnots/DSS_Appnote_r5.pdf [7] http://www.intel.com/products/chipsets/gma950/index.htm [8] http://www.vdr-portal.de/board/thread.php?postid=816831#post816831