diff -Nawurp a/doc/encoders.texi b/doc/encoders.texi --- a/doc/encoders.texi 2019-08-11 14:00:13.000000000 +0000 +++ b/doc/encoders.texi 2019-08-11 14:00:13.000000000 +0000 @@ -1640,6 +1640,151 @@ Set maximum NAL size in bytes. Allow skipping frames to hit the target bitrate if set to 1. @end table +@section libsvt_hevc + +Scalable Video Technology for HEVC encoder (SVT-HEVC encoder) wrapper. + +This encoder requires the presence of the headers and +library during configuration. You need to explicitly configure the +build with @code{--enable-libsvthevc}. The library is detected using +@command{pkg-config}. + +For more information about the library see +@url{https://github.com/intel/SVT-HEVC.git}. + +@subsection Options + +The following FFmpeg global options affect the configurations of the +libsvt_hevc encoder. + +@table @option +@item b (@emph{bitrate}) +Set the bitrate (as a number of bits per second). Default is 7M. + +@item g / @option{gop_size} +Set the GOP size. Default is -2 (unspecified). + +@item flags +cgop +Enable closed GOP. + +@item qmin (@emph{min-q}) +Defaults 10 + +@item qmax (@emph{max-q}) +Defaults 48 + +Set minimum/maximum quantisation values. Valid range is from 0 to 51 +(Only used when bit rate control mode @option{rc} is set to 1(vbr) mode. +Has to be qmax > = qmin). + +@item profile (@emph{profile}) +Set profile restrictions. Can assume one of the following possible values: + +Default is 2 (main10). + +@table @samp +@item main +main profile +@item main10 +main10 profile +@end table + +@item level + +@option{profile} sets the value of @emph{profile}. +@option{level} sets the value of @emph{level}. + +The encoder also has its own specific options: + +@table @option +@item vui +Enables or disables the vui structure in the HEVC elementary +bitstream. 0 = Off, 1 = On. Default is 0 (Off). + +@item aud (@emph{aud}) +Enable use of access unit delimiters when set to 1. Default is 0 (Off). + +@item hielevel +Set hierarchical levels. Can assume one of the following possible values: + +Default is 3 (4level). + +@table @samp +@item flat +none hierarchy level +@item 2level +2-level hierarchy +@item 3level +3-level hierarchy +@item 4level +4-level hierarchy +@end table + +@item la_depth +Set look-ahead depth, depending on bit rate control mode @option{rc}, when +bit rate control mode is set to vbr it's best to set this parameter to be +equal to the intra period value (such is the default set by the encoder), +when cqp is chosen, then a look ahead is recommended. The range is from @var{0-256}. + +@item preset +A preset defining the quality vs density tradeoff point that the +encoding is to be performed at.(e.g. 0 is the highest quality mode, +12 is the highest density mode). The range is from @var{0-12}. Default is 9. + +@item tier +Set @emph{general_tier_flag}. This may affect the level chosen for the stream +if it is not explicitly specified. Can assume one of the following possible values: + +Default is 1 (main). + +@table @samp +@item main +main tier +@item high +high tier +@end table + +@item rc +Set bit rate control mode. Can assume one of the following possible values: + +Default is 0 (cqp). + +@table @samp +@item cqp +Constant QP (CQP) mode +@item vbr +Variable Bit Rate (VBR) mode +@end table + +@item qp +Initial quantization parameter for the intra pictures used when +@option{rc} is cqp mode. The range is from @var{0-51}. Default is 32. + +@item sc_detection +Enables or disables the scene change detection algorithm. Default is 0 (disable). + +@item tune +Set quality tuning mode. Can assume one of the following possible values: + +Default is 1 (oq). + +@table @samp +@item sq +Visually optimized mode +@item oq +PSNR / SSIM optimized mode +@item vmaf +VMAF optimized mode +@end table + +@item bl_mode +Enables or disables Random Access Prediction. Default is 0 (disable). +@end table + +@item hdr +High dynamic range input. Default is 0 (disable). +@end table + @section libtheora libtheora Theora encoder wrapper. diff -Nawurp a/doc/general.texi b/doc/general.texi --- a/doc/general.texi 2019-08-11 14:00:13.000000000 +0000 +++ b/doc/general.texi 2019-08-11 14:00:13.000000000 +0000 @@ -243,6 +243,14 @@ FFmpeg can use the OpenJPEG libraries fo instructions. To enable using OpenJPEG in FFmpeg, pass @code{--enable-libopenjpeg} to @file{./configure}. +@section Scalable Video Technology for HEVC + +FFmpeg can make use of the SVT-HEVC library for HEVC encoding. + +Go to @url{https://github.com/intel/SVT-HEVC.git} and follow the instructions +for installing the library. Pass @code{--enable-libsvthevc} to configure to +enable it. + @section TwoLAME FFmpeg can make use of the TwoLAME library for MP2 encoding.