[Intel-gfx] Crash in Gstreamer Vaapi Application for playing multiple videos

[Xiang, Haihao]

On Thu, 2011-02-24 at 17:28 +0800, Jyotsana wrote:
> Hi,
> 
> Thats's great. But I am not sure why it doesn't play at my end.
> Which platform are you running on?
Sandybridge


> And for the segfault does the file run till the EOS and then crashes or 
> somewhere in the middle?
It crashes in the middle

> 
> Thanks,
> Jyotsana.
> 
> Xiang, Haihao wrote:
> >> One reason of the sample not receiving 'prepare-xwindow-id' message 
> >> could be if the file is not present in the same path as the executable.
> >> The 'Filename' variable should be changed accordingly if it is not.
> >> Could you tell me the format of your file and the type of video codec 
> >> present in the file?
> >> The application supports only mov/mp4(h264 : video codec) or 
> >> mpegts(mpeg2 : video codec).
> >>     
> > Oh, my fault. After moving all files to the same directory, I got four
> > windows, however I can't reproduce your issue.
> >
> > 1.  All videos are rendered fine at the beginning. See the attached
> > screenshot.
> >
> > 2.  I also got a segment fault after a while, but this issue isn't same
> > as yours according to your backtrace.  An invalid surface id is passed
> > to the backed driver via vaPutSurface in my case. I have fixed this
> > segment issue however I am not sure why an invalid id is passed to the
> > driver. Maybe it is a plugin problem.
> >  
> >  
> >
> >   
> >> Thanks,
> >> Jyotsana.
> >>
> >> Xiang, Haihao wrote:
> >>     
> >>> Hi, 
> >>>
> >>>   I tried to reproduce the issue with your sample code but failed. 
> >>> No window is created even with single video file. With gdb's help, I
> >>> found the sample doesn't receive 'prepare-xwindow-id' message. 
> >>>
> >>> After building the sample code ( I modified the variable 'Filename'), I
> >>> directly run MultiVideo
> >>> $> ./MultiVideo
> >>>
> >>> Did I miss something?
> >>>
> >>> Thanks
> >>> Haihao
> >>>
> >>>
> >>>
> >>>
> >>>   
> >>>       
> >>>> Hi,
> >>>>
> >>>> I am trying to play multiple videos simultaneously using 
> >>>> GStreamer(vaapidecode and vaapisink plugins) and libVA-1.0.7.
> >>>> In the sample application I am creating multiple windows using 
> >>>> "XCreateWindow" and passing the generated window ID to vaapisink.
> >>>> There are two problems I am facing:
> >>>>
> >>>> 1. The first video is getting rendered but the other videos are not 
> >>>> getting rendered.
> >>>>
> >>>> 2. The application crashes randomly.
> >>>> None of the gstreamer calls return a failure and the state is getting 
> >>>> changed to play successfully. Tried the application with different 
> >>>> container formats.
> >>>> Also from the command line using "gst-launch" I am able to playback 
> >>>> multiple videos simultaneously.
> >>>>
> >>>> The backtrace of the gdb log is attached "CrashLog.txt". The log 
> >>>> suggests the crash is in "i965_PutSurface".
> >>>>
> >>>> I am using the following packages as mentioned on Intel Linux graphics 
> >>>> site "http://intellinuxgraphics.org/2010Q4.html":
> >>>>
> >>>> 2D driver: xf86-video-intel 2.14.0 release 
> >>>> <http://xorg.freedesktop.org/archive/individual/driver/xf86-video-intel-2.14.0.tar.bz2> 
> >>>>
> >>>> 3D driver: mesa 7.10 <ftp://freedesktop.org/pub/mesa/7.10/>
> >>>> Libdrm: libdrm-2.4.23 release 
> >>>> <http://dri.freedesktop.org/libdrm/libdrm-2.4.23.tar.bz2>
> >>>> Kernel: 2.6.37 release 
> >>>> <http://www.kernel.org/pub/linux/kernel/v2.6/linux-2.6.37.tar.bz2>
> >>>> Cairo: cairo-1.10.2 release <http://cairographics.org/news/cairo-1.10.2/>
> >>>> Libva: libva-1.0.7 release 
> >>>> <http://cgit.freedesktop.org/libva/snapshot/libva-1.0.7.tar.bz2>
> >>>> xserver: 1.9.3
> >>>>
> >>>> Apart from this I have installed the following gstreamer packages:
> >>>> gstreamer-0.10.31
> >>>> gst-plugins-base-0.10.29
> >>>> gst-plugins-good-0.10.22
> >>>> gst-plugins-bad-0.10.19
> >>>> gst-plugins-ugly-0.10.15
> >>>> gst-ffmpeg-0.10.10.
> >>>>
> >>>> For reference attaching the sample application "MultiVideo.c".
> >>>>
> >>>> I am not sure if it is application problem or plugin or driver 
> >>>> limitation or X? As the same application runs with "ximagesink"and 
> >>>> decoder like ffmpeg.
> >>>> What could be the problem?
> >>>>
> >>>> PS : OS : Fedora Core 13. Platform: Sandy Bridge.Kernel : 2.6.37.
> >>>>
> >>>> Regards,
> >>>> Jyotsana.
> >>>>
> >>>>     
> >>>>         
> >>>
> >>>   
> >>>       
> >
> >   
> >
> > ------------------------------------------------------------------------
> >
>