Chapter 3 ’Web User Graphical Interface’ — Workflow Library
372 Electra VS
-
Version 05.10
User Manual - Rev. A
Figure 3-323. DASH output – TS subtitle parameters
In this tab, you must set the following parameters:
Subtitle input ID
and
Subtitle language
.
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
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 representation ID
: media identifier. If left to
Auto
a
numeric identifier will be automatically set. If you enter an identifier,
it must be unique for the component (i.e. it is guaranteed to be unique
among all identifiers).
Input: ES Subtitle Tab
The
ES Subtitle
tab lets you get subtitles from an SDI input and to
include them in SMPTE-TT format in a
DASH
output.
To do so, you must link the Teletext output of an
SDI input
item to the
ES subtitle
input of the
DASH
output.
For each linked ES subtitle input, an
Input: ES Subtitle
tab is created
in the
DASH
output item.
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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