Chapter 3 ’Web User Graphical Interface’ — Workflow Library
Electra VS
-
Version 05.10 361
User Manual - Rev. A
It is recommended to filter subtitle in the
TS
Component
Extractor
workflow by setting the
Component type
to
subtitle
and specifying the
Subtitle language
and/or
Subtitle component type
parameters. In this case, you shall
set
Subtitle input ID
and
Subtitle language
values to
Auto
here in order to accommodate that configuration.
For existing workflows you may continue to use the
Subtitle
input ID
and
Subtitle language
parameters as follows (in
the
TS
Component Extractor
workflow, set
Component
type
to
Custom
and
Stream type
to
PES private data
):
- Subtitle input ID
: indicate the page number you wish to
use. If left to
Auto
, the first page number of the subtitle is
used. This mode is not suitable when there are several
Subtitle IDs in the same input PID.
- Subtitle language
: if left to
Auto
, which is fine if the
stream complies with the standard, the Electra VS uses the
language associated with the teletext indicated by the ID.
Otherwise, specify the language manually using the ISO
codes
1
(e.g., enter eng for English, spa for Spanish, etc.).
Subtitle stream name
: if left to
Auto
, the stream name is set
following the default syntax "
text_[language]
" in case of EBU
Teletext or "
sub_[language]
" in case of DVB subtitle. Otherwise, the
stream name is set to the string that is entered by user.
Subtitle FourCC
: if left to
Auto
, the FourCC is set to
DFXP
in case
of EBU Teletext or
TTML
in case of DVB Subtitle. Otherwise, the
FourCC is set to the string that is entered by user.
TS User syntax
: if set to
true
, it is possible for the user to configure
the
TS
Subtitle field TT
,
TS
Subtitle field Head
and
TS
Subtitle template
of TTML files.
The generated TTML file will be as follows:
Green sections
will be
replaced by the configured parameters,
red sections
will be updated
according to received subtitle.
<?xml version="1.0" encoding="utf-8"?>
<TT FIELD>
<HEAD field>
<body><div>
<p begin="BEGIN_TIME" end="END_TIME">SUBTITLE_TEXT</p>
</div></body>
</tt>
where
<TT FIELD>
is
replaced by the string entered in the
TS
Subtitle field TT
field.
<HEAD field>
is
replaced by the string entered in the
TS
Subtitle field Head
field.
1.
For the whole list of ISO codes, refer to: http://www-01.sil.org/iso639-3/codes.asp?or-
der=639_3&letter=%25
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