[gstreamer-bugs] [Bug 615471] New: Videoscale filter broken
GStreamer (bugzilla.gnome.org)
bugzilla at gnome.org
Sun Apr 11 12:30:47 PDT 2010
https://bugzilla.gnome.org/show_bug.cgi?id=615471
GStreamer | gst-plugins-base | git
Summary: Videoscale filter broken
Classification: Desktop
Product: GStreamer
Version: git
OS/Version: Linux
Status: UNCONFIRMED
Severity: normal
Priority: Normal
Component: gst-plugins-base
AssignedTo: gstreamer-bugs at lists.sourceforge.net
ReportedBy: xiphmont at gmail.com
QAContact: gstreamer-bugs at lists.sourceforge.net
GNOME target: ---
GNOME version: ---
The scaling algorithm is simply busted somehow. It does give
output, but it's obvious compared to, eg, ffvideoscale, that
it's damaged:
! video/x-raw-yuv,width=1440,height=1080,pixel-aspect-ratio=4/3 \
! videoscale method="1"\
! video/x-raw-yuv,width=640,height=360,pixel-aspect-ratio=1/1 \
http://people.xiph.org/~xiphmont/unsorted_images/gst-videoscale.png
http://people.xiph.org/~xiphmont/unsorted_images/gst-videoscale-zoom.png
! video/x-raw-yuv,width=1440,height=1080,pixel-aspect-ratio=4/3 \
! ffvideoscale \
! video/x-raw-yuv,width=640,height=360,pixel-aspect-ratio=1/1 \
http://people.xiph.org/~xiphmont/unsorted_images/gst-ffvideoscale.png
http://people.xiph.org/~xiphmont/unsorted_images/gst-ffvideoscale-zoom.png
Note that all of the videoscale methods are broken, not just method 1.
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