@item multi
Enable multichannels evaluation on gain. Default is disabled.
+
+@item zero_phase
+Enable zero phase mode by substracting timestamp to compensate delay.
+Default is disabled.
@end table
@subsection Examples
firequalizer=gain_entry='entry(100,0); entry(400, -4); entry(1000, -6); entry(2000, 0)'
@end example
@item
-higher delay:
+higher delay with zero phase to compensate delay:
@example
-firequalizer=delay=0.1:fixed=on
+firequalizer=delay=0.1:fixed=on:zero_phase=on
@end example
@item
lowpass on left channel, highpass on right channel:
to be specified in order to use this mode.
Options are true or false. Default is true.
+@item dual_mono
+Treat mono input files as "dual-mono". If a mono file is intended for playback
+on a stereo system, its EBU R128 measurement will be perceptually incorrect.
+If set to @code{true}, this option will compensate for this effect.
+Multi-channel input files are not affected by this option.
+Options are true or false. Default is false.
+
@item print_format
Set print format for stats. Options are summary, json, or none.
Default value is none.
@end table
@item qp
-Display quantization parameters using the chroma planes
+Display quantization parameters using the chroma planes.
+
+@item mv_type, mvt
+Set motion vectors type to visualize. Includes MVs from all frames unless specified by @var{frame_type} option.
+
+Available flags for @var{mv_type} are:
+
+@table @samp
+@item fp
+forward predicted MVs
+@item bp
+backward predicted MVs
+@end table
+
+@item frame_type, ft
+Set frame type to visualize motion vectors of.
+
+Available flags for @var{frame_type} are:
+
+@table @samp
+@item if
+intra-coded frames (I-frames)
+@item pf
+predicted frames (P-frames)
+@item bf
+bi-directionally predicted frames (B-frames)
+@end table
@end table
@subsection Examples
@itemize
@item
-Visualizes multi-directionals MVs from P and B-Frames using @command{ffplay}:
+Visualize forward predicted MVs of all frames using @command{ffplay}:
+@example
+ffplay -flags2 +export_mvs input.mp4 -vf codecview=mv_type=fp
+@end example
+
+@item
+Visualize multi-directionals MVs of P and B-Frames using @command{ffplay}:
@example
-ffplay -flags2 +export_mvs input.mpg -vf codecview=mv=pf+bf+bb
+ffplay -flags2 +export_mvs input.mp4 -vf codecview=mv=pf+bf+bb
@end example
@end itemize
@item fcc
FCC
+
+@item bt2020
+BT.2020
@end table
@end table
@example
setdar=dar=1.77777
setdar=dar=16/9
-setdar=dar=1.77777
@end example
@item
@example
ffmpeg -i audio.flac -lavfi showwavespic=split_channels=1:s=1024x800 waveform.png
@end example
-
-@item
-Colorize the waveform with colorchannelmixer. This example will make
-the waveform a green color approximately RGB(66,217,150). Additional
-channels will be shades of this color.
-@example
-ffmpeg -i audio.mp3 -filter_complex "showwavespic,colorchannelmixer=rr=66/255:gg=217/255:bb=150/255" waveform.png
-@end example
@end itemize
@section spectrumsynth