decent quality.
@item mpeg2_aac_low
-This profile disables aac_is and aac_pns which were introduced with the MPEG4
-specifications and could cause incompatibility with very old devices. Will
-reduce quality and is therefore not recommended unless necessary.
+Equivalent to -profile:a aac_low -aac_pns 0. PNS was introduced with the MPEG4
+specifications.
@item aac_ltp
Long term prediction profile, is enabled by and will enable the aac_ltp option.
Introduced in MPEG4.
-@item aac_ltp
+@item aac_pred
Main-type prediction profile, is enabled by and will enable the aac_pred option.
Introduced in MPEG2.
@item rowmb
one slice per row of macroblocks
@item auto
-automatic number of slices according to number of thread
+automatic number of slices according to number of threads
+@item dyn
+dynamic slicing
@end table
Default value is @samp{auto}.
@item profile
Set profile restrictions. If set to the value of @samp{main} enable
CABAC (set the @code{SEncParamExt.iEntropyCodingModeFlag} flag to 1).
+
+@item max_nal_size
+Set maximum NAL size in bytes.
+
+@item allow_skip_frames
+Allow skipping frames to hit the target bitrate if set to 1.
@end table
@section jpeg2000