[Bug 764726] dashdemux: fix default suggestedPresentationDelay

[GStreamer (GNOME Bugzilla)]

https://bugzilla.gnome.org/show_bug.cgi?id=764726

Sebastian Dröge (slomo) <slomo at coaxion.net> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|---                         |FIXED

--- Comment #4 from Sebastian Dröge (slomo) <slomo at coaxion.net> ---
commit 8eb87ce5dc69f44ffe539eb617c27bd389d39ec0
Author: Wojciech Przybyl <wojciech at visla.co.uk>
Date:   Fri Apr 1 17:42:32 2016 +0100

    dashdemux: fix default suggestedPresentationDelay

    When MPD at suggestedPresentationDelay is not present in the MPD,
    dashdemux can provide default suggestedPresentationDelay. However
    when applying default value of suggestedPresentationDelay, the value
    should be subtracted from current time, not added to it. When streams
    setup is performed and live point is calculated, we have to go to the
    wall clock (current time) minus suggestedPresentationDelay, if we tried
    to start with current time plus suggestedPresentationDelay, we would
    be asking for future stream, which has not yet been recorded. Also
    the value needs to be converted from ms to us.

    https://bugzilla.gnome.org/show_bug.cgi?id=764726

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