[dvblast-devel] DVB-T2 support
Christophe Massiot
cmassiot at upipe.org
Thu Feb 9 00:09:54 CET 2017
You need to specify that you want DVB-T2 with -5 DVBT2.
> On 9 Feb 2017, at 00:00, peet freud <peetfreud at gmail.com <mailto:peetfreud at gmail.com>> wrote:
>
>
> The w_scan output is here:
> http://pastebin.com/CFwQwC35 <http://pastebin.com/CFwQwC35>
>
> In our country the DVB-T2 multiplex is on the frequency 706000 KHz.
> As I have written in the first email - tvheadend can tune (on this machine and with this card)
> this multiplex and find the TV channels without problems.
>
> BTW Tvheadend working configuration:
> {
> "delsys": "DVBT2",
> "frequency": 706000000,
> "bandwidth": "8MHz",
> "constellation": "QAM/256",
> "transmission_mode": "AUTO",
> "guard_interval": "AUTO",
> "hierarchy": "AUTO",
> "fec_hi": "AUTO",
> "fec_lo": "AUTO",
> "plp_id": -1,
> "enabled": true,
> "epg": 1,
> "onid": 8395,
> "tsid": 1793,
> "scan_result": 1,
> "pmt_06_ac3": 0
> }
>
>
> I have used for dvblast the configuration parameters working for tvheadend, but dvblast is not working with them.
>
> There are 4 TV programs available with PIDs 1000,1003,1004,1005 in the multiplex.
>
> I have tried this:
>
> cat ./dvblast.cfg
> 239.255.1.1:1234/tsid=1793 <http://239.255.1.1:1234/tsid=1793> 1 1005
>
>
> ./dvblast -c dvblast.cfg -a 1 -f 706000000 -b 8 -m qam_256
> DVBlast 3.1 (git-3.1)
> warning: restarting
> debug: compiled with DVB API version 5.10
> debug: using DVB API version 5.10
> debug: Frontend "TurboSight TBS 6205 DVB-T/T2/C " supports:
> debug: frequency min: 42000000, max: 870000000, stepsize: 0, tolerance: 0
> debug: symbolrate min: 1000000, max: 7200000, tolerance: 0
> debug: capabilities:
> debug: INVERSION_AUTO
> debug: FEC_1_2
> debug: FEC_2_3
> debug: FEC_3_4
> debug: FEC_5_6
> debug: FEC_7_8
> debug: FEC_AUTO
> debug: QPSK
> debug: QAM_16
> debug: QAM_32
> debug: QAM_64
> debug: QAM_128
> debug: QAM_256
> debug: QAM_AUTO
> debug: TRANSMISSION_MODE_AUTO
> debug: GUARD_INTERVAL_AUTO
> debug: HIERARCHY_AUTO
> debug: 2G_MODULATION
> debug: MULTISTREAM
> debug: FE_CAN_MUTE_TS
> debug: delivery systems:
> debug: DVBT
> debug: DVBT2
> debug: DVBC_ANNEX_A
> debug: DVBC_ANNEX_B
> debug: tuning DVB-T frontend to f=706000000 bandwidth=8 inversion=-1 fec_hp=999 fec_lp=999 hierarchy=-1 modulation=qam_256 guard=-1 transmission=-1
> warning: failed opening CAM device /dev/dvb/adapter1/ca0 (No such file or directory)
> debug: setting filter on PID 0
> debug: setting filter on PID 16
> debug: setting filter on PID 17
> debug: setting filter on PID 18
> debug: setting filter on PID 19
> debug: setting filter on PID 20
> debug: conf: 239.255.1.1:1234/tsid=1793 <http://239.255.1.1:1234/tsid=1793> config=0x1 sid=1005 pids[0]
> debug: change sid tsid network
>
>
> Thx.
>
> On Tue, Feb 7, 2017 at 8:02 PM, Otto Kellerman <wildiness at gmail.com <mailto:wildiness at gmail.com>> wrote:
> Alright. I used a DVB-T/T2/C+SDR device for DVB-C and there was 2 frontends. One RTL for DVB-T and SDR and a Panasonic MN88473 for DVB-C and i think DVB-T2. Now to use DVB-C i had to force it to switch from DVB-T to DVB-C using w_scan -f c . I'm thinking you also have to force it over to DVB-T2. But i don't know how.
> Can you provide the output of w_scan?
>
> 2017-02-07 19:55 GMT+01:00 peet freud <peetfreud at gmail.com <mailto:peetfreud at gmail.com>>:
>
> There are no more frontends :(
>
> ls /dev/dvb/adapter*
> /dev/dvb/adapter0:
> demux0 dvr0 frontend0 net0
> /dev/dvb/adapter1:
> demux0 dvr0 frontend0 net0
> /dev/dvb/adapter2:
> demux0 dvr0 frontend0 net0
> /dev/dvb/adapter3:
> demux0 dvr0 frontend0 net0
>
> Thx.
> Peet
>
>
> On Tue, Feb 7, 2017 at 7:27 PM, Otto Kellerman <wildiness at gmail.com <mailto:wildiness at gmail.com>> wrote:
> I'm thinking it might be on another frontend. Look in /dev/dvb/adapter0
> Also run w_scan and see what adapters it finds.
>
>
> Den 7 feb. 2017 19:14 skrev "peet freud" <peetfreud at gmail.com <mailto:peetfreud at gmail.com>>:
>
> Hi,
>
> I have question about dvblast and DVB-T2 support.
>
> I would like to stream DVB-T2 with dvblast but it is not working.
> The DVB-T streaming works fine.
>
> Maybe it has something common that the utilities like tzap, wscan,
> dvbv5-scan/dvbv5-zap etc. are also not able to tune the multiplex.
>
> The only working program is tvheadend.
>
>
> I am using TBS6205 card, debian Jessie with backports
> - kernel 4.8.0-0
> - TBS drivers from git
> - compiled the latest version of dvblast
>
> Supports dvblast the dvb-t2 for streaming?
>
> Cheers,
>
> Peet
>
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