---
doc/ffmpeg.texi | 34 +++++++++++++++++++++-------------
1 file changed, 21 insertions(+), 13 deletions(-)
diff --git a/doc/ffmpeg.texi b/doc/ffmpeg.texi
index c0fa90f381..6769f8d305 100644
--- a/doc/ffmpeg.texi
+++ b/doc/ffmpeg.texi
@@ -2145,8 +2145,8 @@ Input frame number. Index of the input frame (i.e. output
by a decoder) that
corresponds to this output frame or packet. -1 if unavailable.
@item tb
-Encoder timebase, as a rational number @var{num/den}. Note that this may be
-different from the timebase used by the muxer.
+Timebase in which this frame/packet's timestamps are expressed, as a rational
+number @var{num/den}. Note that encoder and muxer may use different timebases.
@item tbi
Timebase for @var{ptsi}, as a rational number @var{num/den}. Available when
@@ -2169,31 +2169,39 @@ Presentation time of the frame or packet, as a decimal
number. Equal to
Presentation time of the input frame (see @var{ni}), as a decimal number. Equal
to @var{ptsi} multiplied by @var{tbi}. Printed as inf when not available.
-@item dts
+@item dts (@emph{packet})
Decoding timestamp of the packet, as an integer. Should be multiplied by the
-timebase to compute presentation time. Post-encoding only.
+timebase to compute presentation time.
-@item dt
+@item dt (@emph{packet})
Decoding time of the frame or packet, as a decimal number. Equal to
@var{dts} multiplied by @var{tb}.
-@item sn
-Number of audio samples sent to the encoder so far. Audio and pre-encoding
only.
+@item sn (@emph{frame,audio})
+Number of audio samples sent to the encoder so far.
-@item samp
-Number of audio samples in the frame. Audio and pre-encoding only.
+@item samp (@emph{frame,audio})
+Number of audio samples in the frame.
-@item size
-Size of the encoded packet in bytes. Post-encoding only.
+@item size (@emph{packet})
+Size of the encoded packet in bytes.
-@item br
+@item br (@emph{packet})
Current bitrate in bits per second. Post-encoding only.
-@item abr
+@item abr (@emph{packet})
Average bitrate for the whole stream so far, in bits per second, -1 if it
cannot
be determined at this point. Post-encoding only.
@end table
+Directives tagged with @emph{packet} may only be used with
+@option{-stats_enc_post_fmt} and @option{-stats_mux_pre_fmt}.
+
+Directives tagged with @emph{frame} may only be used with
+@option{-stats_enc_pre_fmt}.
+
+Directives tagged with @emph{audio} may only be used with audio streams.
+
The default format strings are:
@table @option
@item pre-encoding
--
2.40.1
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