DOCS/man: more words about --teletext-page

Signed-off-by: Mohammad AlSaleh <CE.Mohammad.AlSaleh@gmail.com>
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Mohammad AlSaleh 2024-01-15 01:16:07 +03:00 committed by sfan5
parent a1bda5b34d
commit 023d02c950
1 changed files with 11 additions and 2 deletions

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@ -2764,9 +2764,18 @@ Subtitles
packets with the same ReadOrder as earlier packets.
``--teletext-page=<-1-999>``
Select a teletext page number to decode.
This works for ``dvb_teletext`` subtitle streams, and if FFmpeg has been
compiled with support for it. `-1` matches all pages. `0` (default) matches
all subtitle pages.
compiled with support for it.
Values ``1-999`` are for individual pages. Special value ``0`` (default)
matches all subtitle pages. Special value ``-1`` matches all pages.
Note that page ``100`` is the default start page of actual teletext. It is
also the former default value of this option.
See the ``libzvbi-teletext`` section in FFmpeg documentation for details.
Default: 0