DVB-S2 tuning
What is DVB-S2 ?
From wikipedia :
Digital Video Broadcasting - Satellite - Second Generation (DVB-S2) is an enhanced specification to replace the DVB-S standard, developed in 2003 and ratified by ETSI (EN 302307) in March 2005. The development of DVB-S2 coincided with the introduction of HDTV and H.264 (MPEG-4 AVC) video codecs.
The system allows transmission of one or more MPEG-2 or MPEG-4 audio/video streams , using QPSK or 8PSK or MAPSK (M-ary amplitude and phase shift keying) modulation with concatenated encoding.
DVB-S2 is based on the DVB-S standard which is used for satellite broadcasting, and the DVB-DSNG standard, which is used by mobile units for sending external footage back to television stations. Two new key features which were added to DVB-S are :
How to use MuMuDVB with DVB-S2 ?
MuMuDVB currently support DVB-S2 tuning via S2API
To tune using the DVB api version 5 you have to set the option
delivery_system to one of the following values
ATSC
DVBC_ANNEX_AC
DVBC_ANNEX_B
DVBT
DVBS
DVBS2
For DVB-S2 the rolloff can be 20 25 35 or auto (35 by default)
The FEC is tuned via the coderate option
and the modulation option can be
QPSK
QAM16
QAM32
QAM64
QAM128
QAMAUTO
VSB8
VSB16
8PSK
16APSK
32APSK
DQPSK