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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. corresponds to this output frame or packet. -1 if unavailable.
@item tb @item tb
Encoder timebase, as a rational number @var{num/den}. Note that this may be Timebase in which this frame/packet's timestamps are expressed, as a rational
different from the timebase used by the muxer. number @var{num/den}. Note that encoder and muxer may use different timebases.
@item tbi @item tbi
Timebase for @var{ptsi}, as a rational number @var{num/den}. Available when 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 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. 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 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 Decoding time of the frame or packet, as a decimal number. Equal to
@var{dts} multiplied by @var{tb}. @var{dts} multiplied by @var{tb}.
@item sn @item sn (@emph{frame,audio})
Number of audio samples sent to the encoder so far. Audio and pre-encoding only. Number of audio samples sent to the encoder so far.
@item samp @item samp (@emph{frame,audio})
Number of audio samples in the frame. Audio and pre-encoding only. Number of audio samples in the frame.
@item size @item size (@emph{packet})
Size of the encoded packet in bytes. Post-encoding only. Size of the encoded packet in bytes.
@item br @item br (@emph{packet})
Current bitrate in bits per second. Post-encoding only. 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 Average bitrate for the whole stream so far, in bits per second, -1 if it cannot
be determined at this point. Post-encoding only. be determined at this point. Post-encoding only.
@end table @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: The default format strings are:
@table @option @table @option
@item pre-encoding @item pre-encoding