SecBSD's official ports repository

graphics/ffmpeg/patches/patch-doc_encoders_texi

@@ -0,0 +1,103 @@
+- doc/encoders: update default coder for aac
+- doc/encoders: add available values for libsvtav1 options
+- avcodec/libsvtav1: add a svtav1-params option to pass a list of key=value
+  parameters
+- avcodec/libsvtav1: update some options and defaults
+
+Index: doc/encoders.texi
+--- doc/encoders.texi.orig
++++ doc/encoders.texi
+@@ -53,7 +53,7 @@ Set AAC encoder coding method. Possible values:
+ 
+ @table @samp
+ @item twoloop
+-Two loop searching (TLS) method.
++Two loop searching (TLS) method. This is the default method.
+ 
+ This method first sets quantizers depending on band thresholds and then tries
+ to find an optimal combination by adding or subtracting a specific value from
+@@ -75,7 +75,6 @@ Constant quantizer method.
+ Uses a cheaper version of twoloop algorithm that doesn't try to do as many
+ clever adjustments. Worse with low bitrates (less than 64kbps), but is better
+ and much faster at higher bitrates.
+-This is the default choice for a coder
+ 
+ @end table
+ 
+@@ -1747,27 +1746,29 @@ You need to explicitly configure the build with @code{
+ @table @option
+ @item profile
+ Set the encoding profile.
++@table @samp
++@item main
++@item high
++@item professional
++@end table
+ 
+ @item level
+-Set the operating point level.
++Set the operating point level. For example: '4.0'
+ 
++@item hielevel
++Set the Hierarchical prediction levels.
++@table @samp
++@item 3level
++@item 4level
++This is the default.
++@end table
++
+ @item tier
+ Set the operating point tier.
+-
+-@item rc
+-Set the rate control mode to use.
+-
+-Possible modes:
+-@table @option
+-@item cqp
+-Constant quantizer: use fixed values of qindex (dependent on the frame type)
+-throughout the stream.  This mode is the default.
+-
+-@item vbr
+-Variable bitrate: use a target bitrate for the whole stream.
+-
+-@item cvbr
+-Constrained variable bitrate: use a target bitrate for each GOP.
++@table @samp
++@item main
++This is the default.
++@item high
+ @end table
+ 
+ @item qmax
+@@ -1776,6 +1777,9 @@ Set the maximum quantizer to use when using a bitrate 
+ @item qmin
+ Set the minimum quantizer to use when using a bitrate mode.
+ 
++@item crf
++Constant rate factor value used in crf rate control mode (0-63).
++
+ @item qp
+ Set the quantizer used in cqp rate control mode (0-63).
+ 
+@@ -1786,14 +1790,18 @@ Enable scene change detection.
+ Set number of frames to look ahead (0-120).
+ 
+ @item preset
+-Set the quality-speed tradeoff, in the range 0 to 8.  Higher values are
+-faster but lower quality.  Defaults to 8 (highest speed).
++Set the quality-speed tradeoff, in the range 0 to 13.  Higher values are
++faster but lower quality.
+ 
+ @item tile_rows
+ Set log2 of the number of rows of tiles to use (0-6).
+ 
+ @item tile_columns
+ Set log2 of the number of columns of tiles to use (0-4).
++
++@item svtav1-params
++Set SVT-AV1 options using a list of @var{key}=@var{value} pairs separated
++by ":". See the SVT-AV1 encoder user guide for a list of accepted parameters.
+ 
+ @end table
+