[Bug 750876] New: qtmux/demux: Review handling of frame reordering and timestamps
GStreamer (GNOME Bugzilla)
bugzilla at gnome.org
Fri Jun 12 13:49:01 PDT 2015
https://bugzilla.gnome.org/show_bug.cgi?id=750876
Bug ID: 750876
Summary: qtmux/demux: Review handling of frame reordering and
timestamps
Classification: Platform
Product: GStreamer
Version: git master
OS: Linux
Status: NEW
Severity: minor
Priority: Normal
Component: gst-plugins-good
Assignee: gstreamer-bugs at lists.freedesktop.org
Reporter: nicolas.dufresne at collabora.co.uk
QA Contact: gstreamer-bugs at lists.freedesktop.org
GNOME version: ---
** This bug is a follow up from bug 740575 **
So for now we went forward simply shifting the segment in present of an initial
CTTS to bring back that first PTS to running time 0. While this is the only way
to achieve AV/Sync in older version of the spec, there might be other technique
in the field. This is relate to a change in the CTTS format, where the value as
been made signed presumably to work around this synchronization nightmare.
I think the real task is to find older and recent sample mov movie, encoder
with other muxers and analyze their muxing behaviour. Base on that we should be
able to take a decision upon the synchronization strategy to adhere with to
correctly render the MOV and MP4 files with image reordering.
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