Gstreamer nvidia

[Jek_point]

vaapi a very fast transcoding video on Intel processors. First if you are
using UBUNTU need to see if your processor supports inmtrktsii needed for
encoding / decoding. This can be done vainfo command. But it does not work
with intergirovanno video card, so you can uviditet something like
 
videowall @ videowall-All-Series: ~ $ vainfo
libva info: VA-API version 0.38.0
libva info: va_getDriverName () returns -1
libva error: va_getDriverName () failed with unknown libva error,
driver_name = (null)
vaInitialize failed with error code -1 (unknown libva error), exit

this is due to the fact that the current video driver is not Intel. Try as

videowall @ videowall-All-Series: ~ $ DISPLAY =: 0.0 vainfo
libva info: VA-API version 0.38.0
libva info: va_getDriverName () returns 0
libva info: Trying to open /usr/lib/x86_64-linux-gnu/dri/nvidia_drv_video.so
libva info: Found init function __vaDriverInit_0_32
libva info: va_openDriver () returns 0
vainfo: VA-API version: 0.38 (libva 1.6.1)
vainfo: Driver version: Splitted-Desktop Systems VDPAU backend for VA-API -
0.7.3
vainfo: Supported profile and entrypoints
      VAProfileMPEG2Simple: VAEntrypointVLD
      VAProfileMPEG2Main: VAEntrypointVLD
      VAProfileMPEG4Simple: VAEntrypointVLD
      VAProfileMPEG4AdvancedSimple: VAEntrypointVLD
      VAProfileH264Main: VAEntrypointVLD
      VAProfileH264High: VAEntrypointVLD
      VAProfileVC1Simple: VAEntrypointVLD
      VAProfileVC1Main: VAEntrypointVLD
      VAProfileVC1Advanced: VAEntrypointVLD



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