[Bug 679612] New: videoconvert produces empty output when converting from GRAY8
GStreamer (bugzilla.gnome.org)
bugzilla at gnome.org
Mon Jul 9 00:18:53 PDT 2012
https://bugzilla.gnome.org/show_bug.cgi?id=679612
GStreamer | gst-plugins-base | 0.11.x
Summary: videoconvert produces empty output when converting
from GRAY8
Classification: Platform
Product: GStreamer
Version: 0.11.x
OS/Version: Linux
Status: UNCONFIRMED
Severity: critical
Priority: Normal
Component: gst-plugins-base
AssignedTo: gstreamer-bugs at lists.freedesktop.org
ReportedBy: tom.winkler at gmail.com
QAContact: gstreamer-bugs at lists.freedesktop.org
GNOME version: ---
The following pipeline produces a single-color green image output instead of
the expected grayscale output:
gst-launch-1.0 videotestsrc ! videoconvert ! video/x-raw, format=GRAY8 !
videoconvert ! autovideosink
Investigation the problem a bit more revealed that videoconvert seems to have a
but when convertion data from GRAY8. The following pipeline shows that the data
is all zero:
gst-launch-1.0 videotestsrc ! video/x-raw, format=GRAY8, width=8, height=8 !
videoconvert ! video/x-raw, format=I420 ! fakesink num-buffers=3 dump=true
Result of pipeline execution is here: http://pastebin.com/AKsQgwYa
Gstreamer is 0.11.92 (tarballs from website not git head).
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