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Bug 737317 - vp8dec should renegotiate when the input dimensions change.
vp8dec should renegotiate when the input dimensions change.
Status: RESOLVED OBSOLETE
Product: GStreamer
Classification: Platform
Component: gst-plugins-good
git master
Other All
: Normal normal
: git master
Assigned To: GStreamer Maintainers
GStreamer Maintainers
Depends on:
Blocks:
 
 
Reported: 2014-09-25 02:15 UTC by Mathieu Duponchelle
Modified: 2014-09-25 02:20 UTC
See Also:
GNOME target: ---
GNOME version: ---

Attachments
fixes the reported issue (2.53 KB, patch)
2014-09-25 02:19 UTC, Mathieu Duponchelle 		none Details | Review

Description Mathieu Duponchelle 2014-09-25 02:15:50 UTC 
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.
Comment 1 Mathieu Duponchelle 2014-09-25 02:19:58 UTC 
Created attachment 287031 [details] [review]
fixes the reported issue
Comment 2 Mathieu Duponchelle 2014-09-25 02:20:24 UTC 
Damn it it's actually fixed in master :)

Closing