[Bug 781918] New: mpegvideoparse calculates wrong pixel aspect ratio
GStreamer (GNOME Bugzilla)
bugzilla at gnome.org
Fri Apr 28 18:49:04 UTC 2017
https://bugzilla.gnome.org/show_bug.cgi?id=781918
Bug ID: 781918
Summary: mpegvideoparse calculates wrong pixel aspect ratio
Classification: Platform
Product: GStreamer
Version: git master
OS: Mac OS
Status: NEW
Severity: normal
Priority: Normal
Component: gst-plugins-bad
Assignee: gstreamer-bugs at lists.freedesktop.org
Reporter: matej.knopp at gmail.com
QA Contact: gstreamer-bugs at lists.freedesktop.org
GNOME version: ---
Created attachment 350679
--> https://bugzilla.gnome.org/attachment.cgi?id=350679&action=edit
Patch
If there is no sequence extension or sequence display extension present
gst_mpeg_video_finalise_mpeg2_sequence_header will never be called and will not
calculate proper aspect ratio.
it's safe to call gst_mpeg_video_finalise_mpeg2_sequence_header without
sequence extension, in which case it calculates aspect ratio from sequence
header width/height and DAR.
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