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@@ -3126,19 +3126,18 @@ ogg files can be safely chained.
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@end table
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-@anchor{rcwt}
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+@anchor{rcwtenc}
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@section rcwt
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-Raw Captions With Time (RCWT) is a format native to ccextractor, a commonly
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-used open source tool for processing 608/708 closed caption (CC) sources.
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-It can be used to archive the original, raw CC bitstream and to produce
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-a source file for later CC processing or conversion. As a result,
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-it also allows for interopability with ccextractor for processing CC data
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-extracted via ffmpeg. The format is simple to parse and can be used
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-to retain all lines and variants of CC.
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+RCWT (Raw Captions With Time) is a format native to ccextractor, a commonly
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+used open source tool for processing 608/708 Closed Captions (CC) sources.
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+It can be used to archive the original extracted CC bitstream and to produce
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+a source file for later processing or conversion. The format allows
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+for interoperability between ccextractor and FFmpeg, is simple to parse,
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+and can be used to create a backup of the CC presentation.
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-This muxer implements the specification as of 2024-01-05, which has
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-been stable and unchanged for 10 years as of this writing.
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+This muxer implements the specification as of March 2024, which has
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+been stable and unchanged since April 2014.
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This muxer will have some nuances from the way that ccextractor muxes RCWT.
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No compatibility issues when processing the output with ccextractor
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@@ -3148,6 +3147,16 @@ and outputs will not be a bit-exact match.
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A free specification of RCWT can be found here:
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@url{https://github.com/CCExtractor/ccextractor/blob/master/docs/BINARY_FILE_FORMAT.TXT}
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+@subsection Examples
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+
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+@itemize
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+@item
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+Extract Closed Captions to RCWT using lavfi:
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+@example
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+ffmpeg -f lavfi -i "movie=INPUT.mkv[out+subcc]" -map 0:s:0 -c:s copy -f rcwt CC.rcwt.bin
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+@end example
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+@end itemize
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+
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@anchor{segment}
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@section segment, stream_segment, ssegment
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Marth64