[dvblast-devel] Can dvblast stream to a file?

[cedric.dewijs at telfort.nl]

Le 29 déc. 2013 à 14:51, cedric.dewijs at telfort.nl a écrit : 
 
> I have an USB DVB-T receiver. Also I have a digitenne smartcard with a smargo cardreader. This is everything I need to capture, decrypt, and store a TV show. This works fine on a normal PC.
 
> I would like to record my shows on a D-link DNS-323 NAS. The ARM CPU on this device is very slow, so it cannot decode multiple TV shows in realtime.
 
>  
> I would like to get the datastream from the receiver, and then store it in encrypted form on the hard drive. The CPU is fast enough to do this for multiple channels at the same time in realtime.
 
> Next I would launch a low-priority task to decrypt the file, and store the result into a new file. When completed, this decrypted file can then be made accessible via samba.
 
>  
> Can dvblast stream to a file? Is there a utility that can take the network stream from dvblast, and place it into a file? 
 
> Yes, what you are looking for is multicat.
I am trying to stream 'Nederland 1' to a file. It's a free to air channel with the following parameters:
474000000 Hz
Video PID = 1B63
Audio PID = 1B64
I have edited dvblast.conf:
127.0.0.1:9999
I have then started multicat:
# multicat 127.0.0.1:9999 test.ts
Then I've started dvblast:
# dvblast -a 1 -f 474000000 -c ~/dvblast.conf
Now I get the message: "warning: no DVR output, resetting"
The file test.ts is 0 bytes.
Full output:
# dvblast -a 1 -f 474000000 -c ~/dvblast.conf
DVBlast 2.2 (release)
warning: restarting
debug: using linux-dvb API version 5
debug: Frontend "DiBcom 7000PC" type "OFDM (DVB-T)" supports:
debug:  frequency min: 45000000, max: 860000000, stepsize: 62500, tolerance: 0
debug:  symbolrate min: 0, max: 0, 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_64
debug:   QAM_AUTO
debug:   TRANSMISSION_MODE_AUTO
debug:   GUARD_INTERVAL_AUTO
debug:   HIERARCHY_AUTO
debug:   FE_CAN_RECOVER
debug: tuning OFDM frontend to f=474000000 bandwidth=8 inversion=-1 fec_hp=999 fec_lp=999 hierarchy=-1 modulation=qam_auto 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: frontend has acquired signal
debug: frontend has acquired carrier
debug: frontend has acquired sync
info: frontend has acquired lock
frontend has acquired lock
debug: - Bit error rate: 2097151
debug: - Signal strength: 2056282
debug: - SNR: 2031650
warning: no DVR output, resetting
debug: tuning OFDM frontend to f=474000000 bandwidth=8 inversion=-1 fec_hp=999 fec_lp=999 hierarchy=-1 modulation=qam_auto guard=-1 transmission=-1
debug: frontend has acquired signal
debug: frontend has acquired carrier
debug: frontend has acquired sync
info: frontend has acquired lock
frontend has acquired lock
debug: - Bit error rate: 2097151
debug: - Signal strength: 2056058
debug: - SNR: 2031649
warning: no DVR output, resetting
debug: tuning OFDM frontend to f=474000000 bandwidth=8 inversion=-1 fec_hp=999 fec_lp=999 hierarchy=-1 modulation=qam_auto guard=-1 transmission=-1
debug: frontend has acquired signal
debug: frontend has acquired carrier
debug: frontend has acquired sync
info: frontend has acquired lock
frontend has acquired lock
debug: - Bit error rate: 2097151
debug: - Signal strength: 2055994
debug: - SNR: 2031652
^Cinfo: Shutdown was requested.
Best regards,
Cedric
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