[Libva] Decoding and rendering to DRM

[Charles, Daniel]

On Wed, Jul 6, 2016 at 6:06 AM, Yann Dirson <yann.dirson at blade-group.com> wrote:
> 2016-07-06 2:34 GMT+02:00 Chen, Peng C <peng.c.chen at intel.com>:
>> Hi,
>>      Here is a example for using drm rendering with libva decoding.
>> https://github.com/01org/libyami-utils/blob/master/examples/grid.cpp
>
> Thanks, that should help me going forward!
>

These bugs/comments apply to libyami-utils not to libva. I'll bring
them to the libyami-utils bug tracker if applicable.

Thanks

-- 
Daniel.
> OT - until I get this working I encountered the following issues you
> way want to have a look at:
> * maybe it's just the autotools versions currently in Debian stretch,
> but the build creates a quite surprising
> examples/\$\(top_builddir\)/ :)
> * --enable-dmabuf on my setup (using PKG_CONFIG_PATH to locate libyami
> installed in my homedir) gets the following
>  build failure, as if the CFLAGS for libyami would shadow those for
> libdrm for some reason (had to run g++ by hand to get it built):
> g++ -DHAVE_CONFIG_H -I. -I..  -I../tests
> -I/home/yann/local/yami/include/libyami      -g -O2 -MT grid.o -MD -MP
> -MF $depbase.Tpo -c -o grid.o grid.cpp &&\
> mv -f $depbase.Tpo $depbase.Po
> In file included from grid.cpp:43:0:
> /usr/include/xf86drm.h:40:17: fatal error: drm.h: No such file or directory
> * some binaries (grid, psnr, simpleplayer) would benefit from a "yami"
> prefix to avoid potential conflicts with others
> * grid (and simpleplayer) refuse to open any of the
> BigBugBunny/TearsOfSteel/ElephantsDream (.mp4, .mov, .mkv),
>  despite the help text showing use of .mp4 files - works OK with raw
> h264 files, though, which suits me fine enough
> * grid example apparently does not restore the crtc state on exit


> _______________________________________________
> Libva mailing list
> Libva at lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/libva