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[TUTORIAL] Using w_scan on DVB-T/T2/C
This step by step tutorial is going to help you use the "w_scan" terminal application in order to obtain a list of tunable DVB-T, DVB-T2 or DVB-C channels from your DVB-T/T2/C tuner module. This list can, hopefully, later be used with VDR (The (Linux) Video Disk Recorder) in Kodi on OpenELEC running on the WeTek Play.
First things first, plug in your antenna cable or the cable from your cable provider into the "IN" connector of your DVB-T/T2/C module on your WeTek Play, insert the SD card with OpenELEC, if it's not installed to NAND, and turn on your device.
Wait until OpenELEC boots.
Make sure you have an active internet connection on your device for the next step. If not, you will have to install w_scan from a zip file.
Now you will install the w_scan terminal application.
This can be done by first installing and enabling the "Unofficial OpenELEC (WeTek_Play/arm) Add-ons" at "System/Settings->Add-ons->Get Add-ons->OpenELEC Mediacenter OS Add-ons->Add-on repository".
Then go into "System/Settings->Add-ons->Get Add-ons->All Add-ons->Program Add-ons" and scrolling down the menu (almost until the end) until we get to "w_scan".
Now install and enable w_scan.
If you try to run the application from the GUI you will receive an error stating: "This is a console-only addon".
This means we can't run the application directly from here. And since OpenELEC has no virtual or graphical terminals available we are going to have to use a remote terminal on another computer through SSH.
Now that we have access to a CLI on our WeTek Play we can proceed to use w_scan. But first we must turn off any PVR that might be ocupying the DVB modules resources or else we will get an error message like the one bellow.
Now you can try w_scan.
While this command might give acceptable output to someone who needs a list of DVB-T/T2 channels in Germany, what if your on cable or you don't live in Germany (like me)?
The module is a DVB-T/T2/C tuner module, so how do you get a valid list of DVB-C channels?
In this case the programs default behavior is insufficient for your needs.
w_scan being a terminal application uses a CLI feature to modify it's own behavior and expand functionality. This feature is called options, flags or switches. Using them we can specify the parameters under which the program will operate.
Example:
As you can see in the program output we have specified DVB-C tuning (line 5) in Bosnia & Herzegovina (line 4) and xine compatible output format (line 6) by using flags.
To view all the available options use:
You must be careful with the command syntax. It is case sensitive! And especially careful around the "-f" and "-c" flags! While the other flags modify program behavior by their very presence (for example "-X" sets xine compatible format output, no "-X" reverts to default behavior (vdr-2.0 compatible output)), the "-f" and "-c" flags need a parameter specified right after them to modify the programs behavior. They can be separated by a ' ' (space) but don't have to if your not going to use "combined flag". Just make sure that they are either both separated or both not separated by spaces! Otherwise you can expect an error message or unpredictable behavior.
In this case the "-f" flag allows you to chose between "t - terrestrial (default)" and "c - cable".
And the "-c" flag allows us to specify a country by it two letter code.
If you want a full list of flags and their parameters use the "-H" flag instead of "-h".
When you are ready to write the output to a file you can use the shells inbuilt I/O redirection or tee with w_scan's output switches:
Move it latter to:
If you are asked to create a log use:
I hope you find this tutorial useful.
Useful links and sources:
http://edafe.org/w_scan/
http://linuxtv.org/wiki/index.php/W_scan
First things first, plug in your antenna cable or the cable from your cable provider into the "IN" connector of your DVB-T/T2/C module on your WeTek Play, insert the SD card with OpenELEC, if it's not installed to NAND, and turn on your device.
Wait until OpenELEC boots.
Make sure you have an active internet connection on your device for the next step. If not, you will have to install w_scan from a zip file.
Now you will install the w_scan terminal application.
This can be done by first installing and enabling the "Unofficial OpenELEC (WeTek_Play/arm) Add-ons" at "System/Settings->Add-ons->Get Add-ons->OpenELEC Mediacenter OS Add-ons->Add-on repository".
Then go into "System/Settings->Add-ons->Get Add-ons->All Add-ons->Program Add-ons" and scrolling down the menu (almost until the end) until we get to "w_scan".
Now install and enable w_scan.
If you try to run the application from the GUI you will receive an error stating: "This is a console-only addon".
This means we can't run the application directly from here. And since OpenELEC has no virtual or graphical terminals available we are going to have to use a remote terminal on another computer through SSH.
Now that we have access to a CLI on our WeTek Play we can proceed to use w_scan. But first we must turn off any PVR that might be ocupying the DVB modules resources or else we will get an error message like the one bellow.
w_scan ##*information*## ##*information*## ##*information*## main:3904: FATAL: ***** NO USEABLE CABLE CARD FOUND. ***** Please check wether dvb driver is loaded and verify that no dvb application (i.e. vdr) is running.
Now you can try w_scan.
OpenELEC:~ # w_scan w_scan w_scan version 20141122 (compiled for DVB API 5.10) WARNING: could not guess your country. Falling back to 'DE' guessing country 'DE', use -c <country> to override using settings for GERMANY DVB aerial DVB-T Europe scan type TERRESTRIAL, channellist 4 output format vdr-2.0 WARNING: could not guess your codepage. Falling back to 'UTF-8' output charset 'UTF-8', use -C <charset> to override Info: using DVB adapter auto detection. /dev/dvb/adapter0/frontend0 -> TERRESTRIAL "CXD2837 DVB-C DVB-T/T2": very good :-)) Using TERRESTRIAL frontend (adapter /dev/dvb/adapter0/frontend0) -_-_-_-_ Getting frontend capabilities-_-_-_-_ Using DVB API 5.10 frontend 'CXD2837 DVB-C DVB-T/T2' supports DVB-T2 INVERSION_AUTO QAM_AUTO TRANSMISSION_MODE_AUTO GUARD_INTERVAL_AUTO HIERARCHY_AUTO FEC_AUTO FREQ (47.00MHz ... 865.00MHz) -_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_ Scanning DVB-T... Scanning 7MHz frequencies... 177500: (time: 00:00.029) 184500: (time: 00:02.048) 191500: (time: 00:04.077) 198500: (time: 00:06.096) 205500: (time: 00:08.115) 212500: (time: 00:10.134) 219500: (time: 00:12.153) 226500: (time: 00:14.172) Scanning 8MHz frequencies... 474000: (time: 00:16.191) 482000: (time: 00:18.210) 490000: (time: 00:20.229) 498000: (time: 00:22.248) 506000: (time: 00:24.277) 514000: (time: 00:26.296) 522000: (time: 00:28.315) 530000: (time: 00:30.334) 538000: (time: 00:32.353) 546000: (time: 00:34.372) 554000: (time: 00:36.391) 562000: (time: 00:38.411) 570000: (time: 00:40.441) 578000: (time: 00:42.461) 586000: (time: 00:44.481) 594000: (time: 00:46.511) 602000: (time: 00:48.531) 610000: (time: 00:50.551) 618000: (time: 00:52.571) 626000: (time: 00:54.591) 634000: (time: 00:56.611) 642000: (time: 00:58.631) 650000: (time: 01:00.651) 658000: (time: 01:02.671) 666000: (time: 01:04.691) 674000: (time: 01:06.711) 682000: (time: 01:08.741) 690000: (time: 01:10.761) 698000: (time: 01:12.781) 706000: (time: 01:14.801) 714000: (time: 01:16.821) 722000: (time: 01:18.841) 730000: (time: 01:20.861) 738000: (time: 01:22.881) 746000: (time: 01:24.901) 754000: (time: 01:26.921) 762000: (time: 01:28.951) 770000: (time: 01:30.971) 778000: (time: 01:32.991) 786000: (time: 01:35.011) 794000: (time: 01:37.031) 802000: (time: 01:39.051) 810000: (time: 01:41.071) 818000: (time: 01:43.101) 826000: (time: 01:45.121) 834000: (time: 01:47.141) 842000: (time: 01:49.161) 850000: (time: 01:51.181) 858000: (time: 01:53.201) Scanning DVB-T2... Scanning 7MHz frequencies... 177500: (time: 01:55.231) 184500: (time: 01:57.261) 191500: (time: 01:59.281) 198500: (time: 02:01.311) 205500: (time: 02:03.331) 212500: (time: 02:05.351) 219500: (time: 02:07.371) 226500: (time: 02:09.391) Scanning 8MHz frequencies... 474000: (time: 02:11.411) 482000: (time: 02:13.431) 490000: (time: 02:15.451) 498000: (time: 02:17.471) 506000: (time: 02:19.491) 514000: (time: 02:21.511) 522000: (time: 02:23.531) 530000: (time: 02:25.551) 538000: (time: 02:27.571) 546000: (time: 02:29.591) 554000: (time: 02:31.611) 562000: (time: 02:33.631) 570000: (time: 02:35.651) 578000: (time: 02:37.671) 586000: (time: 02:39.691) 594000: (time: 02:41.711) 602000: (time: 02:43.731) 610000: (time: 02:45.761) 618000: (time: 02:47.781) 626000: (time: 02:49.801) 634000: (time: 02:51.821) 642000: (time: 02:53.841) 650000: (time: 02:55.871) 658000: (time: 02:57.891) 666000: (time: 02:59.911) 674000: (time: 03:01.931) 682000: (time: 03:03.951) 690000: (time: 03:05.971) 698000: (time: 03:07.991) 706000: (time: 03:10.011) 714000: (time: 03:12.031) 722000: (time: 03:14.051) 730000: (time: 03:16.071) 738000: (time: 03:18.091) 746000: (time: 03:20.111) 754000: (time: 03:22.131) 762000: (time: 03:24.151) 770000: (time: 03:26.171) 778000: (time: 03:28.191) 786000: (time: 03:30.211) 794000: (time: 03:32.231) 802000: (time: 03:34.251) 810000: (time: 03:36.271) 818000: (time: 03:38.311) 826000: (time: 03:40.331) 834000: (time: 03:42.351) 842000: (time: 03:44.371) 850000: (time: 03:46.391) 858000: (time: 03:48.411) ERROR: Sorry - i couldn't get any working frequency/transponder Nothing to scan!!
While this command might give acceptable output to someone who needs a list of DVB-T/T2 channels in Germany, what if your on cable or you don't live in Germany (like me)?
The module is a DVB-T/T2/C tuner module, so how do you get a valid list of DVB-C channels?
In this case the programs default behavior is insufficient for your needs.
w_scan being a terminal application uses a CLI feature to modify it's own behavior and expand functionality. This feature is called options, flags or switches. Using them we can specify the parameters under which the program will operate.
Example:
OpenELEC:~ # w_scan -X -f c -c BA
w_scan -X -f c -c BA
w_scan version 20141122 (compiled for DVB API 5.10)
using settings for BOSNIA AND HERZEGOVINA
Country identifier BA not defined. Using defaults.
scan type CABLE, channellist 4
output format czap/tzap/szap/xine
WARNING: could not guess your codepage. Falling back to 'UTF-8'
output charset 'UTF-8', use -C <charset> to override
Info: using DVB adapter auto detection.
/dev/dvb/adapter0/frontend0 -> CABLE "CXD2837 DVB-C DVB-T/T2": very good :-))
Using CABLE frontend (adapter /dev/dvb/adapter0/frontend0)
-_-_-_-_ Getting frontend capabilities-_-_-_-_
Using DVB API 5.10
frontend 'CXD2837 DVB-C DVB-T/T2' supports
INVERSION_AUTO
QAM_AUTO
FEC_AUTO
FREQ (47.00MHz ... 865.00MHz)
This dvb driver is *buggy*: the symbol rate limits are undefined - please report to linuxtv.org
-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_
474000: sr6900 (time: 00:00.020) signal ok: QAM_AUTO f = 474000 kHz S6900C999 (0:0:0)
QAM_AUTO f = 474000 kHz S6900C999 (0:0:0) : updating transport_stream_id: -> (0:0:2)
QAM_AUTO f = 474000 kHz S6900C999 (0:0:2) : updating network_id -> (0:1:2)
undefined inner fec
new transponder: (QAM_64 f = 370000 kHz S6875C999 (3:1:4)) 0x4044
482000: sr6900 (time: 00:00.950) signal ok: QAM_AUTO f = 482000 kHz S6900C999 (0:0:0)
QAM_AUTO f = 482000 kHz S6900C999 (0:0:0) : updating transport_stream_id: -> (0:0:2)
QAM_AUTO f = 482000 kHz S6900C999 (0:0:2) : updating network_id -> (0:1:2)
undefined inner fec
[2:06:38 PM] live:snifferdsx: is the output format czap/tzap/szap/xine
oke ?
[2:07:30 PM] Miran Maslo: BHT1(DTV HS-M&H):722000000:INVERSION_AUTO:6900000:FEC_AUTO:QAM_AUTO:1026:1025:30
BHT1 SD(DTV HS-M&H):722000000:INVERSION_AUTO:6900000:FEC_AUTO:QAM_AUTO:2025:2026:31
FTV(DTV HS-M&H):722000000:INVERSION_AUTO:6900000:FEC_AUTO:QAM_AUTO:770:771:40
TVSA(DTV HS-M&H):722000000:INVERSION_AUTO:6900000:FEC_AUTO:QAM_AUTO:338:337:50
Pink BH(DTV HS-M&H):722000000:INVERSION_AUTO:6900000:FEC_AUTO:QAM_AUTO:402:671:80
RTRS(DTV HS-M&H):722000000:INVERSION_AUTO:6900000:FEC_AUTO:QAM_AUTO:513:514:82
NTV IC Kakanj(DTV HS-M&H):722000000:INVERSION_AUTO:6900000:FEC_AUTO:QAM_AUTO:258:257:165
Pink(DTV HS-M&H):722000000:INVERSION_AUTO:6900000:FEC_AUTO:QAM_AUTO:803:804:1200
RTV BN(DTV HS-M&H):730000000:INVERSION_AUTO:6900000:FEC_AUTO:QAM_AUTO:386:387:135
Atlas(DTV HS-M&H):730000000:INVERSION_AUTO:6900000:FEC_AUTO:QAM_AUTO:133:134:138
MKTV(DTV HS-M&H):730000000:INVERSION_AUTO:6900000:FEC_AUTO:QAM_AUTO:330:377:155
SLO-TV1 (DTV HS-M&H):730000000:INVERSION_AUTO:6900000:FEC_AUTO:QAM_AUTO:200:201:157
Animal Planet(DTV HS-M&H):730000000:INVERSION_AUTO:6900000:FEC_AUTO:QAM_AUTO:282:283:200
Discovery Channel(DTV HS-M&H):730000000:INVERSION_AUTO:6900000:FEC_AUTO:QAM_AUTO:400:401:210
N1(DTV HS-M&H):730000000:INVERSION_AUTO:6900000:FEC_AUTO:QAM_AUTO:233:333:655
Al Jazeera Balkans(DTV HS-M&H):730000000:INVERSION_AUTO:6900000:FEC_AUTO:QAM_AUTO:408:409:658
Arte(DTV HS-M&H):730000000:INVERSION_AUTO:6900000:FEC_AUTO:QAM_AUTO:322:344:705
Cinema TV(DTV HS-M&H):738000000:INVERSION_AUTO:6900000:FEC_AUTO:QAM_AUTO:49:51:427
Eurochannel(DTV HS-M&H):738000000:INVERSION_AUTO:6900000:FEC_AUTO:QAM_AUTO:458:459:465
Hayat Music(DTV HS-M&H):738000000:INVERSION_AUTO:6900000:FEC_AUTO:QAM_AUTO:34:37:634
Hayat Folk(DTV HS-M&H):738000000:INVERSION_AUTO:6900000:FEC_AUTO:QAM_AUTO:256:36:635
RTL2(DTV HS-M&H):738000000:INVERSION_AUTO:6900000:FEC_AUTO:QAM_AUTO:166:128:735
Pro Sieben(DTV HS-M&H):738000000:INVERSION_AUTO:6900000:FEC_AUTO:QAM_AUTO:511:515:745
Pink Kids(DTV HS-M&H):738000000:INVERSION_AUTO:6900000:FEC_AUTO:QAM_AUTO:816:817:1210
Pink Premium(DTV HS-M&H):738000000:INVERSION_AUTO:6900000:FEC_AUTO:QAM_AUTO:826:827:1230
Pink Comedy(DTV HS-M&H):738000000:INVERSION_AUTO:6900000:FEC_AUTO:QAM_AUTO:895:896:1245
TV1(DTV HS-M&H):746000000:INVERSION_AUTO:6900000:FEC_AUTO:QAM_AUTO:514:513:75
Alfa TV(DTV HS-M&H):746000000:INVERSION_AUTO:6900000:FEC_AUTO:QAM_AUTO:404:405:85
Face TV(DTV HS-M&H):746000000:INVERSION_AUTO:6900000:FEC_AUTO:QAM_AUTO:311:411:87
Viasat Explorer(DTV HS-M&H):746000000:INVERSION_AUTO:6900000:FEC_AUTO:QAM_AUTO:381:412:183
Viasat History(DTV HS-M&H):746000000:INVERSION_AUTO:6900000:FEC_AUTO:QAM_AUTO:392:396:186
K1(DTV HS-M&H):746000000:INVERSION_AUTO:6900000:FEC_AUTO:QAM_AUTO:2048:8001:590
Chasse et Peche(DTV HS-M&H):746000000:INVERSION_AUTO:6900000:FEC_AUTO:QAM_AUTO:303:304:912
Pink Reality(DTV HS-M&H):746000000:INVERSION_AUTO:6900000:FEC_AUTO:QAM_AUTO:891:892:1330
Done, scan time: 04:04.610
As you can see in the program output we have specified DVB-C tuning (line 5) in Bosnia & Herzegovina (line 4) and xine compatible output format (line 6) by using flags.
To view all the available options use:
w_scan -h
usage: w_scan [options...]
-f type, --frontend type
What programs do you want to search for?
a = atsc (vsb/qam)
c = cable
s = sat
t = terrestrian [default]
-A N, --atsc_type N
specify ATSC type
1 = Terrestrial [default]
2 = Cable
3 = both, Terrestrial and Cable
-c, --country
choose your country here:
DE, GB, US, AU, ..
? for list
-s, --satellite
choose your satellite here:
S19E2, S13E0, S15W0, ..
? for list
---output switches---
-G, --output-dvbsrc
generate channels.conf for dvbsrc plugin
-L, --output-VLC
generate VLC xspf playlist (experimental)
-M, --output-mplayer
mplayer output instead of vdr channels.conf
-X, --output-xine
tzap/czap/xine output instead of vdr channels.conf
-x, --output-initial
generate initial tuning data for (dvb-)scan
-Z, --output-xml
generate w_scan XML tuning data
-H, --extended-help
view extended help (experts only)
You must be careful with the command syntax. It is case sensitive! And especially careful around the "-f" and "-c" flags! While the other flags modify program behavior by their very presence (for example "-X" sets xine compatible format output, no "-X" reverts to default behavior (vdr-2.0 compatible output)), the "-f" and "-c" flags need a parameter specified right after them to modify the programs behavior. They can be separated by a ' ' (space) but don't have to if your not going to use "combined flag". Just make sure that they are either both separated or both not separated by spaces! Otherwise you can expect an error message or unpredictable behavior.
In this case the "-f" flag allows you to chose between "t - terrestrial (default)" and "c - cable".
usage: w_scan [options...]
-f type, --frontend type
What programs do you want to search for?
a = atsc (vsb/qam)
c = cable
s = sat
t = terrestrian [default]
And the "-c" flag allows us to specify a country by it two letter code.
w_scan -c? AF AFGHANISTAN AX ?LAND ISLANDS AL ALBANIA DZ ALGERIA AS AMERICAN SAMOA AD ANDORRA AO ANGOLA AI ANGUILLA AQ ANTARCTICA AG ANTIGUA AND BARBUDA AR ARGENTINA AM ARMENIA AW ARUBA AU AUSTRALIA AT AUSTRIA AZ AZERBAIJAN BS BAHAMAS BH BAHRAIN BD BANGLADESH BB BARBADOS BY BELARUS BE BELGIUM BZ BELIZE BJ BENIN BM BERMUDA BT BHUTAN BO BOLIVIA BQ BONAIRE BA BOSNIA AND HERZEGOVINA BW BOTSWANA BV BOUVET ISLAND BR BRAZIL IO BRITISH INDIAN OCEAN TERRITORY BN BRUNEI DARUSSALAM BG BULGARIA BF BURKINA FASO BI BURUNDI KH CAMBODIA CM CAMEROON CA CANADA CV CAPE VERDE KY CAYMAN ISLANDS CF CENTRAL AFRICAN REPUBLIC TD CHAD CL CHILE CN CHINA CX CHRISTMAS ISLAND CC COCOS (KEELING) ISLANDS CO COLOMBIA KM COMOROS CG CONGO CD CONGO, THE DEMOCRATIC REPUBLIC OF THE CK COOK ISLANDS CR COSTA RICA CI C?TE D'IVOIRE HR CROATIA CU CUBA CW CURA?AO CY CYPRUS CZ CZECH REPUBLIC DK DENMARK DJ DJIBOUTI DM DOMINICA DO DOMINICAN REPUBLIC EC ECUADOR EG EGYPT SV EL SALVADOR GQ EQUATORIAL GUINEA ER ERITREA EE ESTONIA ET ETHIOPIA FK FALKLAND ISLANDS (MALVINAS) FO FAROE ISLANDS FJ FIJI FI FINLAND FR FRANCE GF FRENCH GUIANA PF FRENCH POLYNESIA TF FRENCH SOUTHERN TERRITORIES GA GABON GM GAMBIA GE GEORGIA DE GERMANY GH GHANA GI GIBRALTAR GR GREECE GL GREENLAND GD GRENADA GP GUADELOUPE GU GUAM GT GUATEMALA GG GUERNSEY GN GUINEA GW GUINEA-BISSAU GY GUYANA HT HAITI HM HEARD ISLAND AND MCDONALD ISLANDS VA HOLY SEE (VATICAN CITY STATE) HN HONDURAS HK HONG KONG HU HUNGARY IS ICELAND IN INDIA ID INDONESIA IR IRAN, ISLAMIC REPUBLIC OF IQ IRAQ IE IRELAND IM ISLE OF MAN IL ISRAEL IT ITALY JM JAMAICA JP JAPAN JE JERSEY JO JORDAN KZ KAZAKHSTAN KE KENYA KI KIRIBATI KP KOREA, DEMOCRATIC PEOPLE'S REPUBLIC OF KR KOREA, REPUBLIC OF KW KUWAIT KG KYRGYZSTAN LA LAO PEOPLE'S DEMOCRATIC REPUBLIC LV LATVIA LB LEBANON LS LESOTHO LR LIBERIA LY LIBYAN ARAB JAMAHIRIYA LI LIECHTENSTEIN LT LITHUANIA LU LUXEMBOURG MO MACAO MK MACEDONIA, THE FORMER YUGOSLAV REPUBLIC OF MG MADAGASCAR MW MALAWI MY MALAYSIA MV MALDIVES ML MALI MT MALTA MH MARSHALL ISLANDS MQ MARTINIQUE MR MAURITANIA MU MAURITIUS YT MAYOTTE MX MEXICO FM MICRONESIA, FEDERATED STATES OF MD MOLDOVA MC MONACO MN MONGOLIA ME MONTENEGRO MS MONTSERRAT MA MOROCCO MZ MOZAMBIQUE MM MYANMAR NA NAMIBIA NR NAURU NP NEPAL NL NETHERLANDS NC NEW CALEDONIA NZ NEW ZEALAND NI NICARAGUA NE NIGER NG NIGERIA NU NIUE NF NORFOLK ISLAND MP NORTHERN MARIANA ISLANDS NO NORWAY OM OMAN PK PAKISTAN PW PALAU PS PALESTINIAN TERRITORY, OCCUPIED PA PANAMA PG PAPUA NEW GUINEA PY PARAGUAY PE PERU PH PHILIPPINES PN PITCAIRN PL POLAND PT PORTUGAL PR PUERTO RICO QA QATA RE R?UNION RO ROMANIA RU RUSSIAN FEDERATION RW RWANDA BL SAINT BARTH?LEMY SH SAINT HELENA KN SAINT KITTS AND NEVIS LC SAINT LUCIA MF SAINT MARTIN PM SAINT PIERRE AND MIQUELON VC SAINT VINCENT AND THE GRENADINES WS SAMOA SM SAN MARINO ST SAO TOME AND PRINCIPE SA SAUDI ARABIA SN SENEGAL RS SERBIA SC SEYCHELLES SL SIERRA LEONE SX SINT MAARTEN SG SINGAPORE SK SLOVAKIA SI SLOVENIA SB SOLOMON ISLANDS SO SOMALIA ZA SOUTH AFRICA GS SOUTH GEORGIA AND THE SOUTH SANDWICH ISLANDS ES SPAIN LK SRI LANKA SD SUDAN SR SURINAME SJ SVALBARD AND JAN MAYEN SZ SWAZILAND SE SWEDEN CH SWITZERLAND SY SYRIAN ARAB REPUBLIC TW TAIWAN TJ TAJIKISTAN TZ TANZANIA, UNITED REPUBLIC OF TH THAILAND TL TIMOR-LESTE TG TOGO TK TOKELAU TO TONGA TT TRINIDAD AND TOBAGO TN TUNISIA TR TURKEY TM TURKMENISTAN TC TURKS AND CAICOS ISLANDS TV TUVALU UG UGANDA UA UKRAINE AE UNITED ARAB EMIRATES GB UNITED KINGDOM US UNITED STATES UM UNITED STATES MINOR OUTLYING ISLANDS UY URUGUAY UZ UZBEKISTAN VU VANUATU VE VENEZUELA VN VIET NAM VG VIRGIN ISLANDS, BRITISH VI VIRGIN ISLANDS, U.S. WF WALLIS AND FUTUNA EH WESTERN SAHARA YE YEMEN ZM ZAMBIA ZW ZIMBABWE
If you want a full list of flags and their parameters use the "-H" flag instead of "-h".
When you are ready to write the output to a file you can use the shells inbuilt I/O redirection or tee with w_scan's output switches:
---output switches---
-G, --output-dvbsrc
generate channels.conf for dvbsrc plugin
-L, --output-VLC
generate VLC xspf playlist (experimental)
-M, --output-mplayer
mplayer output instead of vdr channels.conf
-X, --output-xine
tzap/czap/xine output instead of vdr channels.conf
-x, --output-initial
generate initial tuning data for (dvb-)scan
-Z, --output-xml
generate w_scan XML tuning data
-o2
2 = vdr-2.x
-o21
21 = vdr-2.1 (dev)
Examples:
w_scan -f c -c DE > channels.conf w_scan -f t -c DE | tee -a channels.conf
Move it latter to:
/storage/.kodi/userdata/addon_data/service.multimedia.vdr-addon/config/or overwrite:
/storage/.kodi/userdata/addon_data/service.multimedia.vdr-addon/config/channel.confand reboot to get VDR to recognize the channel list.
If you are asked to create a log use:
w_scan -v -v 2>&1 | tee w_scan.logThe "-v"s regulate output verbosity while "2>&1" sends information from stderr to stdout and combines it with the already existing stream in stdout, so it doesn't just end up on the terminal and not in the log file. Later, "more", "less" or "cat" can be used to view the contents of the files that have been created. Manual editing can be accomplished with "vi". Then you can see just how much of w_scan's output goes to stderr.
I hope you find this tutorial useful.
Useful links and sources:
http://edafe.org/w_scan/
http://linuxtv.org/wiki/index.php/W_scan
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Comments
greate tutorial
w_scan you can use for dvb-s too
can you please explain how can i search for one specific frequency for dvbs-dvbs2.
Thanks
good afternoon everybody.
I'm new with OpenElec literally got it 2 days ago mainly due to the possibility to stream terrestrial channels with tvheadend and I'm already stacked with the configuration.
First of all the actual web interface is slightly different from the one published here: http://wiki.openelec.tv/index.php/Configuring_Tvheadend.
from the web interface, configuration tab > DVB inputs > tv adapters I can see the DVB-T adaper and enable.
configuration> DVB inputs> Networks, I create a "dvbt" network with default settings
configuration > DVB Inputs> Muxes enable only changing DVB-T settings
After that when I saw that no service were found I used w_scan -ft -c IT and this is the output:
w_scan -ft -c IT
w_scan version 20141122 (compiled for DVB API 5.10)
using settings for ITALY
DVB aerial
DVB-T Europe
scan type TERRESTRIAL, channellist 4
output format vdr-2.0
WARNING: could not guess your codepage. Falling back to 'UTF-8'
output charset 'UTF-8', use -C <charset> to override
Info: using DVB adapter auto detection.
main:3904: FATAL: ***** NO USEABLE TERRESTRIAL CARD FOUND. *****
Please check wether dvb driver is loaded and
verify that no dvb application (i.e. vdr) is running.
What can I do next?
How can I verify that by chance I've dvb application running?
How I can verify the dvb drivers are loaded?
I'd like to pass a config file or specific part of it if required, just let me know where it is saved
Thanks everybody
ciao
m
Using the new release of tvheadend, on the network tab when creating a network it is necessary to select the approprate "Pre-defined Muxes:". Once I did this immediately the system works
Enjoy
[IMG]http://wetekforums.com/vb5/core/image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAhoAAADxCAIAAAACx4kZAAAgAElEQVR4nO2dW5MkR3XH6wtwsQdkbAchaRSsRK MhouR2BiDcNhBDAVyBEHbYGCRAK9cwIMfbL8YY uhnnCgMRBcFA5rS1pZrCQTZpGGkBpZ60C74sFcpAWEGHbBCDlAMoJvsH6o2zmZ52RlVmdNd3X/f9ERu11TnXXyUvmvzKw8J3niR2fKz3O/eubmj96ULJQ0nzXk6WJtWVmyoi7iIvM5viZkRZFNFm1ELCZZsZaVaLPmrfqgWSo5AQAAMFYaOXn2ecgJAACAvpw7fxajEwAAAPPyxHlMdgEAAJibJ86fKQcokBMAAAD9eeL8mXKAAjmRmWRFniZpvkLv/QAAwABocrK5N51enE4vTqf7W3GvuLG7U6V8kV/i2DY5uL3Zeb5l58buzvaxuMZWclJqypqw5K9rp/lsNoO4A7B8VHJynsnJ5t50ulf15xu7O0Moys7uRvXlyNYOk4edrSO 55t2XpzGl5M0n62VnIxhy8JK7REBYGU4d HsuQtnmZzw/j1Jks296faxZGt/Or24s7XbjCFIv39ka8caOlT9 962OODY2d1Iks1tS6iccsLPP7K1s7dpnkpS2uYX7QF9Tu/cCVVtmKplp/ptV9dMtlkVtB9vL11kbe9JDGo61ElWzGazPG/ 1F/4HPmV7ZnnEl7pNKcXWdaOSrKiyNKm5CAtACwHtpywoUDJse3yyNY 6aCPbO3U/9/abzWAjmY2dnea82my7fyVt5wI59dWKUhyUk6N7ezWibrkqCLNi2zitXRiDWE6fzUhHWqat913mreiMMmKtsdM0 YCWdHqxiQrmh9M5nx0l0Ynqj2BhKbT5pGfnRVERSa0JAAAiyNUTuhsUrVWQYcmfCDCFjNI7x9ndNIhJzbHtqf7WxvJxtZ 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Any ideas? Never mind problem solved, tvheadend was running so disable this.
Please disable Tvheadend or VDR before using w_scan
Hi Neo - Yes I figured this out thanks. I couldn't get w_scan to scan correct frequencies I required but it worked ok.
Will it be same for DVB S2
Very basic question, how to execute this commands (By which application, is it through terminal?) I know it looks weird question but I am new to it
Thanks