<html> <head> <style> .hmmessage P { margin:0px; padding:0px } body.hmmessage { font-size: 10pt; font-family:Verdana } </style> </head> <body class='hmmessage'> > Date: Thu, 20 Aug 2009 16:07:18 +0800 > Subject: Re: [Libva] any examples using vaPutImage? > From: shengquan.yuan@gmail.com > To: attbimmer@hotmail.com > CC: libva@lists.freedesktop.org > > On Thu, Aug 20, 2009 at 12:08 AM, Attila Szilagyi<attbimmer@hotmail.com> wrote: > > I've been looking at using vaPutImage and so far have no had much luck > > getting an image to display in an X window. Below is basically what I am > > doing. > > > > init (ie:XOpenDisplay, vaGetDisplay, vaInitialize) > > > > vaCreateSurfaces > > vaQueryImageFormats (only supported image type returned is AYUV) > I think it shouldn't be AYUV. vaQueryImageFormats usually returns back > surface FOURCC, if the surface FOURCC is private, it can return a > generic FOURCC, e.g. YV12, and driver can do conversion when do > vaPutImage/vaGetImage > AYUV is a FOURCC type. I was a bit surprised that that was the only type supported by the S3 driver, but that is what the query is returning. > > vaCreateImage > > vaMapBuffer (map created image to local buf ptr) > > fill local buf with simple test pattern > > vaUnmapBuffer > > vaPutImage (put to surface created above) > > > > XCreateSimpleWindow > > XMapWindow (also tried XMapRaised) > > XSync > > > > vaPutSurface (put to window created above) > > (also tried adding XFlush) > > > > All va functions return success, but at the end all I get is a blank window. > > > > I am using libva 0.28, S3G Driver 1.0 with an S3 540GTX card and running > > Ubuntu. I ran most test programs in the libva src package and those worked. > > Also mplayer is working using va and doing the same kind of test with > > XPutImage works as well. > > > > I've searched around quite a bit, but haven't really found anything using > > vaPutImage. Are there any working examples using vaPutImage? Does the above > I will upload a sample code, but whether it work or not depends on > driver implementation. Driver may not handle VAImage correctly. > Ok thanks. By removing the XSync I was able to get a green screen to display, but it doesn't seem make any difference what I put in the image buffer, so looks like there are still problems somewhere. > > sequence look like it should work or am I way off? I've just started looking > > at libva the last few days and am pretty new to X as well so sorry if the > > answer to this should be obvious. > > > > Thanks in advance for any help. > > > > > > > > > > > > ________________________________ > > With Windows Live, you can organize, edit, and share your photos. Click > > here. > > _______________________________________________ > > Libva mailing list > > Libva@lists.freedesktop.org > > http://lists.freedesktop.org/mailman/listinfo/libva > > > > <hr />Windows Live: Make it easier for your friends to see what you’re up to on Facebook. <a href='http://windowslive.com/Campaign/SocialNetworking?ocid=PID23285::T:WLMTAGL:ON:WL:en-US:SI_SB_facebook:082009' target='_new'>Find out more.</a></body> </html>