[gstreamer-bugs] [Bug 602508] New: qtdemux: Parse stbl atom per sample instead of all at once
bugzilla at gnome.org
Fri Nov 20 08:04:31 PST 2009
GStreamer | gst-plugins-good | git
Summary: qtdemux: Parse stbl atom per sample instead of all at
AssignedTo: gstreamer-bugs at lists.sourceforge.net
ReportedBy: robert.swain at gmail.com
QAContact: gstreamer-bugs at lists.sourceforge.net
GNOME target: ---
GNOME version: ---
I have been working to make the qtdemux element parse the stbl atom per sample
to improve start-up times when playing mov/mp4/etc.
In master, prior to these changes, the entire atom is parsed during
pre-rolling. My changes make the code parse the 0th sample during pre-rolling
and then any others as required to decode samples. Note that if a seek occurs,
the entire remainder of the atom is parsed.
I have published the changes in the working-qtdemux branch in my personal -good
repository at git://people.freedesktop.org/~robswain/gst-plugins-good
Review and comments are very welcome. The changes have been tested quite a lot,
and while I'm not really aware of any outstanding issues, maybe some still
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