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Diffstat (limited to 'ffmpeg-full-git-add-intel-svt-hevc-docs.patch')
-rw-r--r-- | ffmpeg-full-git-add-intel-svt-hevc-docs.patch | 205 |
1 files changed, 205 insertions, 0 deletions
diff --git a/ffmpeg-full-git-add-intel-svt-hevc-docs.patch b/ffmpeg-full-git-add-intel-svt-hevc-docs.patch new file mode 100644 index 000000000000..1ed8a785ddb8 --- /dev/null +++ b/ffmpeg-full-git-add-intel-svt-hevc-docs.patch @@ -0,0 +1,205 @@ +From 0bb8d7cd4131b1c6d29d57c709ce6f3a6b246031 Mon Sep 17 00:00:00 2001 +From: Jun Zhao <mypopydev@gmail.com> +Date: Sat, 8 Dec 2018 15:43:05 +0800 +Subject: [PATCH 2/2] doc: Add libsvt_hevc encoder docs + +Add docs for libsvt_hevc encoder in encoders.texi and general.texi + +Signed-off-by: Jun Zhao <jun.zhao@intel.com> +Signed-off-by: Huang, Zhengxu <zhengxu.huang@intel.com> +Signed-off-by: hassene <hassene.tmar@intel.com> +--- + doc/encoders.texi | 157 ++++++++++++++++++++++++++++++++++++++++++++++ + doc/general.texi | 8 +++ + 2 files changed, 165 insertions(+) + +diff --git a/doc/encoders.texi b/doc/encoders.texi +index 899faac49b..0a19596299 100644 +--- a/doc/encoders.texi ++++ b/doc/encoders.texi +@@ -1457,6 +1457,163 @@ 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 refs (@emph{ref}) ++Number of reference frames each P-frame can use. The range is from @var{0-16}. ++Default is 0(disabled). ++ ++@item g / @option{gop_size} ++Set the GOP size. Default is 64. ++ ++@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 0(cqp) 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_idc} and the @emph{constraint_set*_flag}s. ++@option{level} sets the value of @emph{level_idc}. ++ ++@end table ++ ++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 intra_ref_type ++Set intra refesh type. Can assume one of the following possible values: ++ ++Default is 2 (idr). ++ ++@table @samp ++@item cra ++open group of pictures ++@item idr ++closed group of pictures ++@end table ++ ++@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 (objective). ++ ++@table @samp ++@item subjective ++Subjective quality mode ++@item objective ++Objective quality mode for PSNR / SSIM / VMAF benchmarking ++@end table ++ ++@item bl_mode ++Enables or disables Random Access Prediction. Default is 0 (disable). ++@end table ++ + @section libtheora + + libtheora Theora encoder wrapper. +diff --git a/doc/general.texi b/doc/general.texi +index 2b015f143a..070997aa6f 100644 +--- a/doc/general.texi ++++ b/doc/general.texi +@@ -280,6 +280,14 @@ The dispatcher is open source and can be downloaded from + with the @code{--enable-libmfx} option and @code{pkg-config} needs to be able to + locate the dispatcher's @code{.pc} files. + ++@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 Kvazaar + + FFmpeg can make use of the Kvazaar library for HEVC encoding. +-- +2.17.1 + |