Given that libudev is widely available on many Linux distros, we
can use the relevant APIs to iterate over all the devices associated
with the drm subsystem to figure out if a specific vendor GPU
is available or not.
This capability (identifying GPU Vendor) is useful to determine
whether to launch Gstreamer pipeline using h/w accelerated
plugins. On systems where libudev is not available (Windows,
MacOS, etc) we'd have to make this determination based on the
availability of the relevant plugins in the Gstreamer registry.
Cc: Frediano Ziglio <freddy77@gmail.com>
Cc: Gerd Hoffmann <kraxel@redhat.com>
Cc: Marc-André Lureau <marcandre.lureau@redhat.com>
Cc: Dongwon Kim <dongwon.kim@intel.com>
Cc: Hazwan Arif Mazlan <hazwan.arif.mazlan@intel.com>
Cc: Jin Chung Teng <jin.chung.teng@intel.com>
Signed-off-by: Vivek Kasireddy <vivek.kasireddy@intel.com>
Acked-by: Frediano Ziglio <freddy77@gmail.com>
