|
Wipro has extensively worked on various Digital
Broadcast standards and has designed digital Set-top
box receivers capable of handling satellite, cable
and terrestrial transmission. For this Wipro has
developed its own stacks for DVB-S, DVB-T and
DVB-C including CAS modules for each standard
to support subscription and pay-per-view (PPV)
features. These stacks have been developed in
a modular fashion and can be reused to enable
customers gain time and cost advantages.
The details of the DVB reuse stack developed
at Wipro are as follows:
DVB SI Parser
 |
Foundation of a robust and portable solution |
|
Provides
APIs for accessing DVB data |
Database & Builder
|
Monitors all the tables |
|
Complete
database solution for DVB-S |
|
APIs provided
to add/delete Flash/SDRAM database |
Teletext
|
Based
on ETSI EN 300 472 V1.3.1 (2003-05) |
|
Supports
data broadcasts that include news flash, subtitling,
program guide |
|
Support
for PES packets each of which is of size 45
bytes |
|
Caching
in SDRAM database to achieve faster page switching |
DVB Subtitle
|
Based
on ETSI EN 300 743 V1.2.1 (2002-10) |
|
Support
for multiple language |
|
Support
for following Page, Region, CLUT and Object
segments |
|
Processes
PES packets according to the type of segment
data they contain |
|
