no element "vaapidecodebin"

Dilip Yadav yadav.dilip582 at gmail.com
Thu Sep 15 06:28:20 UTC 2016


Hi,

Thanks for your reply.
I have moved to gstreamer version 1.8.2. And everything is working as
expected.


*Thanks and Regards*
*Dilip Yadav*



On Tue, Aug 30, 2016 at 2:25 PM, Víctor M. Jáquez L. [via GStreamer-devel] <
ml-node+s966125n4679280h87 at n4.nabble.com> wrote:

> Hi,
>
> On 08/20/16 at 02:34am, Dilip Yadav wrote:
> > Hello all. I am new to gstreamer.
>
> > I have installed the gstreamer 1.9.1 in uninstalled way in my home
> > directory.I am using Ubuntu 14.04.
>
> If I understand correctly you are having troubles to work in a
> gst-uninstalled
> environment, there are not precisely problems related with
> gstreamer-vaapi.
>
> You can use as reference
> https://arunraghavan.net/2014/07/quick-start-guide-to-gst-uninstalled-1-x/
>
> >
> > To use gstreamer-vaapi, I had to install libva and intel-driver for
> > integrated HD graphics. Then I compiled gstreamer-vaapi 1.9.1 . It is
> > working somehow. And gst-inspect-1.0 recognizes the vaapi elements.
> >
> > The command works though with some delay.
> >  "gst-launch-1.0 filesrc location=/home/ct/test.mp4 ! qtdemux !
> > vaapidecodebin ! vaapipostproc width=640 ! vaapisink"
> >
> > But the problem starts when I reboot the system. When I run the command
> it
> > says:
> >
> > WARNING: erroneous pipeline: no element "vaapidecodebin"
>
> This is because you are in you system environment, using the system's
> gstreamer setup, not the one you compiled.
>
> >
> > I have tried following:
> >
> > 1. cd to gst/master directory and run the script "gst-uninstalled". As
> far
> >    as I know this script sets the environment variables of gstreamer
> >    plugins. But this doesn't help.
>
> This is odd, because you said you installed gstreamer 1.9.1 but you are
> using
> gst/master with gst-unistalled, which is master, not the tag 1.9.1
>
> I you follow the instructions in the page I referred before, you should
> have a
> symbolic link to gst-unstalled in gst/ named gst-master which you should
> execute to set up the uninstalled environment *for master branch*. You
> could
> also have a symbolic link to gst-1.9 aiming to release 1.9, for example.
>
> > 2. Again installing libva and intel-driver. Then recompiling
> >    gstreamer-vaapi. This works again.
> >
> > Will I need to do it every time I boot the machine? Please help.
>
> Nope, you just have to setup your uninstalled environment correctly. And
> it is
> tricky if you use libva and intel-driver in a uninstalled fashion. It
> would be
> easier if you install the dev packages in you system. Otherwise, you have
> to
> modify your gst-unistalled script to add the proper variables aiming to
> your
> libva and intel-driver directories.
>
> vmjl
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