[Bug 737317] New: vp8dec should renegotiate when the input dimensions change.
GStreamer (bugzilla.gnome.org)
bugzilla at gnome.org
Wed Sep 24 19:15:54 PDT 2014
https://bugzilla.gnome.org/show_bug.cgi?id=737317
GStreamer | gst-plugins-good | git
Summary: vp8dec should renegotiate when the input dimensions
change.
Classification: Platform
Product: GStreamer
Version: git
OS/Version: All
Status: UNCONFIRMED
Severity: normal
Priority: Normal
Component: gst-plugins-good
AssignedTo: gstreamer-bugs at lists.freedesktop.org
ReportedBy: mathieu.duponchelle at epitech.eu
QAContact: gstreamer-bugs at lists.freedesktop.org
GNOME version: ---
wget http://people.collabora.com/~meh/Videos/vp8_resizing_exhibit.webm
wget http://people.collabora.com/~meh/scenarios/seek_artefacts_vp8.scenario
gst-validate-1.0 playbin uri=file://$PWD/vp8_resizing_exhibit.webm
--set-scenario seek_artefacts_vp8.scenario
Artefacts can be observed with current git master.
The proposed patch fixes this in a rather straightforward way, by trying to
peek the stream info for each frame, and renegotiating when a frame indeed
contained a stream info and the width or height were different from the
currently set width or height.
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