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Diffstat (limited to 'doc/encoders.texi')
| -rw-r--r-- | doc/encoders.texi | 26 |
1 files changed, 25 insertions, 1 deletions
diff --git a/doc/encoders.texi b/doc/encoders.texi index 6c1c4df57a..4e35e50e4d 100644 --- a/doc/encoders.texi +++ b/doc/encoders.texi @@ -3344,7 +3344,8 @@ Specifies intra refresh type. The major goal of intra refresh is improvement of error resilience without significant impact on encoded bitstream size caused by I frames. The SDK encoder achieves this by encoding part of each frame in refresh cycle using intra MBs. @var{none} means no refresh. @var{vertical} means -vertical refresh, by column of MBs. +vertical refresh, by column of MBs. To enable intra refresh, B frame should be +set to 0. @item @var{int_ref_cycle_size} Specifies number of pictures within refresh cycle starting from 2. 0 and 1 are @@ -3355,6 +3356,9 @@ Specifies QP difference for inserted intra MBs. This is signed value in [-51, 51] range if target encoding bit-depth for luma samples is 8 and this range is [-63, 63] for 10 bit-depth or [-75, 75] for 12 bit-depth respectively. +@item @var{int_ref_cycle_dist} +Distance between the beginnings of the intra-refresh cycles in frames. + @item @var{profile} @table @samp @item unknown @@ -3463,6 +3467,26 @@ Insert picture timing SEI with pic_struct_syntax element. @item @var{transform_skip} Turn this option ON to enable transformskip. It is supported on platform equal or newer than ICL. + +@item @var{int_ref_type} +Specifies intra refresh type. The major goal of intra refresh is improvement of +error resilience without significant impact on encoded bitstream size caused by +I frames. The SDK encoder achieves this by encoding part of each frame in +refresh cycle using intra MBs. @var{none} means no refresh. @var{vertical} means +vertical refresh, by column of MBs. To enable intra refresh, B frame should be +set to 0. + +@item @var{int_ref_cycle_size} +Specifies number of pictures within refresh cycle starting from 2. 0 and 1 are +invalid values. + +@item @var{int_ref_qp_delta} +Specifies QP difference for inserted intra MBs. This is signed value in +[-51, 51] range if target encoding bit-depth for luma samples is 8 and this +range is [-63, 63] for 10 bit-depth or [-75, 75] for 12 bit-depth respectively. + +@item @var{int_ref_cycle_dist} +Distance between the beginnings of the intra-refresh cycles in frames. @end table @subsection MPEG2 Options |