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doc/ffmpeg: improve -stats_*_fmt documentation

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Anton Khirnov 2023-06-17 10:05:25 +02:00
parent a33191ff7a
commit 52d7ea6635
1 changed files with 21 additions and 13 deletions
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doc/ffmpeg.texi
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@ -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