On Thu, 2012-08-16 at 14:57 -0700, Ratin wrote: > On Thu, Aug 16, 2012 at 1:29 AM, Gwenole Beauchesne <gb.de...@gmail.com> > wrote: > > Hi, > > > > 2012/8/15 Ratin <rat...@gmail.com>: > >> Is it possible to dump the decoded bitstream in BGRA from the VA > >> Surfaces when using the Intel Sandybridge GPU? > > > > If you don't mind about performance, the worst case scenario is to use > > vaPutSurface() to a Pixmap, and then XGetImage() pixel data from it. > > This method works for all versions of libva + VA driver that supports > > vaPutSurface() to a Pixmap. > > > > The best case scenario is to use the libva "staging" branch + Halley's > > patches to support vaGetImage() in RGBA/BGRA format. > > > > Regards, > > Gwenole. > > > Actually getting the highest possible performance is my main goal > obviously :) I am assuming CPU does the color conversion while dumping > to a pixmap?
It is done by GPU on Sandybridge. > I will try Halley's patch and let you all know my > findings. > > > Thanks a bunch > > Ratin > _______________________________________________ > Libva mailing list > Libva@lists.freedesktop.org > http://lists.freedesktop.org/mailman/listinfo/libva _______________________________________________ Libva mailing list Libva@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/libva
