[Bug 790478] nvdec: seeking causes timestamps to shift breaking lipsync

[GStreamer (GNOME Bugzilla)]

https://bugzilla.gnome.org/show_bug.cgi?id=790478

Matthew Waters (ystreet00) <ystreet00 at gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|---                         |FIXED
   Target Milestone|git master                  |1.13.1

--- Comment #6 from Matthew Waters (ystreet00) <ystreet00 at gmail.com> ---
commit 4e422bec4fa7be03f7540c2c1d939b36305d0fb3
Author: Matthew Waters <matthew at centricular.com>
Date:   Fri Nov 17 17:09:22 2017 +1100

    nvdec: implement flush/drain

    Fixes outputted frame sequence when performing a seek

    i.e. when seeking backwards, the first frame after the seek was a frame
    from the future.  This would result in GstVideoDecoder essentially
    marking all the timestamps as essentially bogus and the base class would
    attempt to compensate.  A visible indication of this was 'decreasing
timestamp'
    warning after a seek.

    https://bugzilla.gnome.org/show_bug.cgi?id=790478

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