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dvbv5-zap - DVBv5 tool for service tuning


dvbv5-zap [OPTION]... channel-name

dvbv5-zap [OPTION]... frequency-name (for monitor or all PIDs mode)


dvbv5-zap is a command line tuning tool for digital TV services that is compliant with
version 5 of the DVB API, and backward compatible with the older v3 DVB API.

dvbv5-zap uses by default a new channel/service file format that it is capable of
supporting all types of Digital TV standards. It can also support the legacy format used
by the legacy dvb-apps.

The dvbv5-zap tool can be used on several different modes, depending on the parameters

Please note that, in order to be able to use it in record mode, where both the audio and
video Packet IDs (PIDs) are output to a dvr record node, the input file should contain the
PIDs, e. g. they should have been produced by a digital TV zap application like dvbv5-zap.


-c, --channels= channel-name-file
Read channels list from 'file'. Defaults to ~/.tzap/channels.conf.

-3, --dvbv3
Force dvbv5-zap to use DVBv3 only. Useful to test if the legacy API support is

-a, --adapter=adapter#
Use the given adapter. Default value: 0.

-A, --audio_pid=audio_pid#
Select a different audio Packet ID (PID). The default is to use the first audio
PID found at the channel-name-file.

-C, --cc=country_code
Set the default country to be used by the MPEG-TS parsers, in ISO 3166-1 two letter
code. If not specified, the default charset is guessed from the locale environment

-d, --demux=demux#
Use the given demux. Default value: 0.

-f, --frontend=frontend#
Use the given frontend. Default value: 0.

-I, --input-format=format
Format of the input file. Please notice that caps is ignored. It can be:

channel - for dvb-apps compatible channel file;

zap - for dvb-apps compatible zap file;

dvbv5 (default) - for the dvbv5 apps format.

-l, --lnbf=LNBf_type
Type of LNBf to use 'help' lists the available ones.

-L, --search=string
Search/look for a string inside the traffic. Used only on monitor mode.

-m, --monitor
Enable monitor mode. On this mode, it will monitor de DVB traffic for all Packet
IDs (PIDs) received by the device, showing the Packet IDs (optionally filtered by a
string), and presenting some traffic statistics: number of packets per second,
number of Kbytes per second and total traffic. Those statistics are shown per PID
and the total per MPEG-TS.

-o, --output=file
Output filename. If specified, it will output the content of the MPEG-TS into the
file with the first video PID and the first audio PID (or the one specified by
audio_pid#). Use -o - for directing the output to stdout.

-p, --pat
Add PAT and PMT MPEG-TS tables to TS recording (implies -r).

-P, --all-pids
Don't filter any pids. Instead, outputs all of them.

-r, --record
Sets up the /dev/dvb/adapteradapter#/dvr0 for MPEG-TS record.

-s, --silence
Increases silence (can be used more than once).

-S, --sat_number=satellite_number
Satellite number. Used only on satellite delivery systems. If not specified,
disable DISEqC satellite switch.

-t, --timeout=seconds
Amount of seconds to keep the tool running for zapping and for recording. Useful
if you want to record a program that you know its duration.

-U, --freq_bpf=frequency
SCR/Unicable band-pass filter frequency to use, in kHz. Used only on satellite
delivery systems.

-v, --verbose
Be verbose. Useful to check if the MPEG-TS is happenning fine. This option can be
used multiple times to increase verbosity.

-V, --video_pid=video_pid#
video pid program to use (default 0)

-w, --lna=LNA
Enable, disable or put LNA power in auto mode. Not all frontends support it. Valid
values are:

0 - disable

1 - enable

-1 - auto

-W, --wait=time
Adds additional wait time for DISEqC command completion.

-x, --exit
Exit after tuning.

-X, --low_traffic
Also shows DVB traffic with less then 1 packet per second. Used only in monitor

-?, --help
Outputs the usage help.

Gives a short usage message.

Prints program version.


On success, it returns 0.


Recording a channel
The typical use is to tune into a channel and put it into record mode:

$ dvbv5-zap -c dvb_channel.conf 'music' -r
using demux '/dev/dvb/adapter0/demux0'
reading channels from file 'dvb_channel.conf'
service has pid type 05: 204
tuning to 573000000 Hz
audio pid 104
dvb_set_pesfilter 104
Lock (0x1f) Quality= Good Signal= 100.00% C/N= -13.80dB UCB= 70 postBER= 3.14x10^-3 PER= 0
DVR interface '/dev/dvb/adapter0/dvr0' can now be opened

The channel can be watched by playing the contents of the DVR interface, with some player
that recognizes the MPEG-TS format.

For example, this audio-only channel can be playew with mplayer:

$ mplayer -cache 800 /dev/dvb/adapter0/dvr0
MPlayer SVN-r37077-4.8.2 (C) 2000-2014 MPlayer Team
TS file format detected.
Opening audio decoder: [mpg123] MPEG 1.0/2.0/2.5 layers I, II, III
AUDIO: 48000 Hz, 2 ch, s16le, 192.0 kbit/12.50% (ratio: 24000->192000)
Selected audio codec: [mpg123] afm: mpg123 (MPEG 1.0/2.0/2.5 layers I, II, III)
AO: [alsa] 48000Hz 2ch s16le (2 bytes per sample)
Video: no video
Starting playback...

Monitoring a channel
The dvbv5-zap tool can also be used to monitor a DVB channel:

$ dvbv5-zap -c dvb_channel.conf 573000000 -m
using demux '/dev/dvb/adapter0/demux0'
reading channels from file 'dvb_channel.conf'
service has pid type 05: 204
tuning to 573000000 Hz
Lock (0x1f) Quality= Good Signal= 100.00% C/N= -13.90dB UCB= 384 postBER= 96.8x10^-6 PER= 0
dvb_set_pesfilter to 0x2000

0000 9.88 p/s 14.5 Kbps 1 KB
0001 1.98 p/s 2.9 Kbps 376 B
0010 18.77 p/s 27.6 Kbps 3 KB
0011 48.42 p/s 71.1 Kbps 8 KB
0012 1455.53 p/s 2137.8 Kbps 270 KB

1fff 1033.60 p/s 1518.1 Kbps 192 KB
TOT 25296.44 p/s 37154.2 Kbps 4700 KB

Lock (0x1f) Quality= Good Signal= 100.00% C/N= -13.90dB UCB= 384 postBER= 96.8x10^-6 PER= 0

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