[Bug 720031] omxh264enc key frame interval missing

GStreamer (bugzilla.gnome.org) bugzilla at gnome.org
Sun Dec 8 08:26:12 PST 2013


https://bugzilla.gnome.org/show_bug.cgi?id=720031
  GStreamer | gst-omx | 1.2.1

Nicolas Dufresne <nicolas.dufresne> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |nicolas.dufresne at collabora.
                   |                            |co.uk
           Severity|normal                      |enhancement

--- Comment #1 from Nicolas Dufresne <nicolas.dufresne at collabora.co.uk> 2013-12-08 16:26:07 UTC ---
You need to add the property definition in _class_init(), have a look at
x264enc code in -ugly.

It is called max-key-interval.

max-key-interval    : Maximum number of frames between two keyframes (< 0 is in
sec)
                        flags: readable, writable
                        Integer. Range: -100 - 2147483647 Default: 0

Which means -1 -2, would mean every 1, 2 seconds. Though the documentation does
not indicated the unit for values higher then zero, please verify this to
ensure we are concistent. LibAV encoder also have this same options, same
definition.

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