[Bug 769717] h265parser: refactoring some methods to be more like h264parser

GStreamer (GNOME Bugzilla) bugzilla at gnome.org
Tue Aug 16 09:55:56 UTC 2016


https://bugzilla.gnome.org/show_bug.cgi?id=769717

Thijs Vermeir <thijsvermeir at gmail.com> changed:

           What    |Removed                     |Added
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                 CC|                            |thijsvermeir at gmail.com

--- Comment #11 from Thijs Vermeir <thijsvermeir at gmail.com> ---
There is a difference with how the parameter sets work in H.264 and H.265. In
H.265 the parameter sets are initially not active, they are only activated when
they are referenced. An encoder is free to send a list of VPS, SPS and PPS nal
units and only activate one parameter set. As a consequence, the encoder can
send parameter updates at any time and any in any order. It is also not
mandatory in HEVC main profile to activate the VPS, this parameter set can be
ignored as all information is already present in the SPS.

This patch breaks some of these concepts, the idea of refactoring both parsers
in the same way might not be correct.

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