va: vajpegdec fails to decode 422 streams
The va jpeg fails to decode all 422 streams such as:
gst-launch-1.0 -vf filesrc location=smpte_422H.jpeg ! jpegparse ! vajpegdec ! videoconvert chroma-mode=none dither=0 ! video/x-raw,format=Y42B ! checksumsink2 qos=false file-checksum=false frame-checksum=false plane-checksum=false eos-after=1 dump-location=1.yuv
fails, but
gst-launch-1.0 -vf filesrc location=smpte_422H.jpeg ! jpegparse ! vaapijpegdec ! videoconvert chroma-mode=none dither=0 ! video/x-raw,format=Y42B ! checksumsink2 qos=false file-checksum=false frame-checksum=false plane-checksum=false eos-after=1 dump-location=1.yuv
succeeds.