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doc/encoders: add doc of the tier option for hevc_qsv

Signed-off-by: nyanmisaka <nst799610810@gmail.com>
This commit is contained in:
nyanmisaka 2022-11-02 01:58:07 +08:00 committed by Haihao Xiang
parent 09775cfea7
commit af67f627d1

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@ -3654,6 +3654,15 @@ Set the encoding profile (scc requires libmfx >= 1.32).
@item scc
@end table
@item @var{tier}
Set the encoding tier (only level >= 4 can support high tier).
This option only takes effect when the level option is specified.
@table @samp
@item main
@item high
@end table
@item @var{gpb}
1: GPB (generalized P/B frame)