Default value is 0.
+@item eld_v2
+Enable ELDv2 (LD-MPS extension for ELD stereo signals) for ELDv2 if set to 1,
+disabled if set to 0.
+
+Note that option is available when fdk-aac version (AACENCODER_LIB_VL0.AACENCODER_LIB_VL1.AACENCODER_LIB_VL2) > (4.0.0).
+
+Default value is 0.
+
@item signaling
Set SBR/PS signaling style.
@end table
+@section librav1e
+
+rav1e AV1 encoder wrapper.
+
+Requires the presence of the rav1e headers and library during configuration.
+You need to explicitly configure the build with @code{--enable-librav1e}.
+
+@subsection Options
+
+@table @option
+@item qmax
+Sets the maximum quantizer to use when using bitrate mode.
+
+@item qmin
+Sets the minimum quantizer to use when using bitrate mode.
+
+@item qp
+Uses quantizer mode to encode at the given quantizer (0-255).
+
+@item speed
+Selects the speed preset (0-10) to encode with.
+
+@item tiles
+Selects how many tiles to encode with.
+
+@item tile-rows
+Selects how many rows of tiles to encode with.
+
+@item tile-columns
+Selects how many columns of tiles to encode with.
+
+@item rav1e-params
+Set rav1e options using a list of @var{key}=@var{value} pairs separated
+by ":". See @command{rav1e --help} for a list of options.
+
+For example to specify librav1e encoding options with @option{-rav1e-params}:
+
+@example
+ffmpeg -i input -c:v librav1e -b:v 500K -rav1e-params speed=5:low_latency=true output.mp4
+@end example
+
+@end table
+
@section libaom-av1
libaom AV1 encoder wrapper.
@section QSV encoders
-The family of Intel QuickSync Video encoders (MPEG-2, H.264 and HEVC)
+The family of Intel QuickSync Video encoders (MPEG-2, H.264, HEVC, JPEG/MJPEG and VP9)
The ratecontrol method is selected as follows: