[FFmpeg-devel] [PATCH 1/2] vaapi_h264: Add named options for setting profile and level

Moritz Barsnick barsnick at gmx.net
Thu Nov 30 16:33:19 EET 2017


On Thu, Nov 30, 2017 at 08:52:21 +0000, Li, Zhong wrote:
> > +    { LEVEL("6",   60) },
> > +    { LEVEL("6.1", 61) },
> > +    { LEVEL("6.2", 62) },
> 
> IIRC, level 5.2 is the maximum level of H264? 

Higher levels were introduced in 2016. Edition V12 of H.264 lists 6,
6.1 and 6.2 in Annex A, Table A-1. It basically lists the same thing as
Wikipedia:
https://en.wikipedia.org/wiki/H.264/MPEG-4_AVC#Levels

Moritz


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