From d79c240196f43b93bd204363f1facc270029f113 Mon Sep 17 00:00:00 2001 From: Wenbin Chen Date: Thu, 13 Oct 2022 16:25:24 +0800 Subject: [PATCH] doc/encoders: Add doc for av1_qsv Add doc for av1_qsv. Signed-off-by: Wenbin Chen --- doc/encoders.texi | 32 ++++++++++++++++++++++++++++++++ 1 file changed, 32 insertions(+) diff --git a/doc/encoders.texi b/doc/encoders.texi index 1a5216f8eb..53dd02fd28 100644 --- a/doc/encoders.texi +++ b/doc/encoders.texi @@ -3775,6 +3775,38 @@ Number of columns for tiled encoding (requires libmfx >= 1.29). Number of rows for tiled encoding (requires libmfx >= 1.29). @end table +@subsection AV1 Options +These options are used by av1_qsv (requires libvpl). +@table @option +@item @var{profile} +@table @samp +@item unknown +@item main +@end table + +@item @var{tile_cols} +Number of columns for tiled encoding. + +@item @var{tile_rows} +Number of rows for tiled encoding. + +@item @var{adaptive_i} +This flag controls insertion of I frames by the QSV encoder. Turn ON this flag +to allow changing of frame type from P and B to I. + +@item @var{adaptive_b} +This flag controls changing of frame type from B to P. + +@item @var{b_strategy} +This option controls usage of B frames as reference. + +@item @var{extbrc} +Extended bitrate control. + +@item @var{look_ahead_depth} +Depth of look ahead in number frames, available when extbrc option is enabled. +@end table + @section snow @subsection Options