[gstreamer-bugs] [Bug 639321] deinterlace: field{1, 3} scanline pointers seem to be off by one field line

GStreamer (bugzilla.gnome.org) bugzilla at gnome.org
Wed Jan 12 12:37:05 PST 2011

  GStreamer | gst-plugins-good | git

--- Comment #2 from David Schleef <ds at schleef.org> 2011-01-12 20:37:03 UTC ---
I usually test with something like this:

gst-launch videotestsrc pattern=ball num-buffers=10 !
video/x-raw-yuv,format=\(fourcc\)I420 ! interlace field-pattern=1:1 !
deinterlace method=vfir ! ffmpegcolorspace ! pngenc snapshot=false !
multifilesink location=%05d.png

I see what you mean by bouncing in linearblend.  However, with the patch, in
the above pipeline with linearblend, it looks obviously wrong.

I see no difference with vfir.

This area of code is horrible.  It should be rewritten, but perhaps not today.

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