[Bug 796635] New: vaapipostproc: output is always same when set different denoise value.

[GStreamer (GNOME Bugzilla)]

https://bugzilla.gnome.org/show_bug.cgi?id=796635

            Bug ID: 796635
           Summary: vaapipostproc: output is always same when set
                    different denoise value.
    Classification: Platform
           Product: GStreamer
           Version: git master
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: Normal
         Component: gstreamer-vaapi
          Assignee: gstreamer-bugs at lists.freedesktop.org
          Reporter: fei.w.wang at intel.com
        QA Contact: gstreamer-bugs at lists.freedesktop.org
                CC: bsreerenj at gmail.com, vjaquez at igalia.com
     GNOME version: ---

By using any nv12 file can reproduce this issue:

$ gst-launch-1.0 -vf filesrc location=1920x1080.nv12 num-buffers=1 !
rawvideoparse format=nv12 width=1920 height=1080 ! vaapipostproc format=nv12
width=1920 height=1080 denoise=0.2 ! checksumsink2 file-checksum=false
frame-checksum=false plane-checksum=false dump-output=true
dump-location=denoise_20_NV12_1920x1080.yuv

$ gst-launch-1.0 -vf filesrc location=1920x1080.nv12 num-buffers=1 !
rawvideoparse format=nv12 width=1920 height=1080 ! vaapipostproc format=nv12
width=1920 height=1080 denoise=0.8 ! checksumsink2 file-checksum=false
frame-checksum=false plane-checksum=false dump-output=true
dump-location=denoise_80_NV12_1920x1080.yuv

denoise_20_NV12_1920x1080.yuv is bit match with denoise_80_NV12_1920x1080.yuv.

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