summaryrefslogtreecommitdiffstats
path: root/abs/core-testing/tweaker/bin/twk_tuners.pl
blob: 22c6a23ee6ddf081f30b60915f9ba9c31ad07cd1 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
#!/usr/bin/perl -w

# Copyright 2008 Robert ("Bob") Igo of StormLogic, LLC and mythic.tv.
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.

use Switch;
use Tweaker::Script;
package Tweaker::Script;

set_known_options( 'all' ); # When Tweaker handles multiple instances of a script, this will be expanded to
# handle options for a given card, based on what it supports, e.g. ATSC, QAM, NTSC-coax, NTSC-Svideo, etc.
# The current version of this script will run once and set up defaults for all detected cards, choosing
# a default configuration based on some assumptions of common usage.  Modes in this array should be listed
# from least desirable to most desirable.  E.g. ["NTSC", "ATSC", "QAM"]

my @capture_card_patterns = (
    # DIGITAL
    # -------
    # ATSC-only devices
    [ "pcHDTV hd-2000", [".*0400.*109e.*036e.*r11.*7063.*2000.*"],
      ["DVB", ["ATSC"]]],
#    [ "BBTI Air2PC v2", [".*0280.*13d0.*2103.*r02.*13d0.*2103.*"], # ??? dupe 1; mihanson
#      ["DVB", ["ATSC"]]],
    
    # DVB-T devices
    [ "DViCO FusionHDTV DVB-T Lite", [".*0400.*109e.*036e.*r11.*18ac.*db10.*"],
      # secondary device "0480" "109e" "0878" -r11 "18ac" "d500"
      ["DVB", ["DVB-T"]]],
    [ "DViCO FusionHDTV DVB-T1", [".*0400.*14f1.*8800.*18ac.*db00.*"],
      ["DVB", ["DVB-T"]]], # also has composite and S-Video in for frame grabbing
    [ "DViCO FusionHDTV DVB-T Plus", [".*0400.*14f1.*8800.*8800.*db10.*"],
      ["DVB", ["DVB-T"]]],
    [ "DViCO FusionHDTV dual Express", [".*0400.*14f1.*8852.*18ac.*db78.*"],
      ["DVB", ["DVB-T"]]],
    [ "Twinhan VisionPlus DVB-T", [".*0400.*109e.*036e.*r11.*1822.*0001.*"], # ??? dupe 2; jbman, Girkers
      ["DVB", ["DVB-T"]]],
#    [ "EU Hauppauge PVR-500 (DVB-T)", [".*0400.*4444.*0016.*0070.*e807.*"],
#      ["DVB", ["DVB-T"]]],
    [ "Avermedia A777", [".*0480.*1131.*7133.*1461.*2c05.*", ".*0480.*1131.*7134.*1461.*2c05.*"],
      ["DVB", ["DVB-T"]]],
    [ "Compro T300", [".*0480.*1131.*7134.*185b.*c900.*", ".*0480.*1131.*7134.*7134.*c900.*"],
      ["DVB", ["DVB-T"]]],

    # DVB-C devices
    [ "Siemens DVB-C", [".*0480.*1131.*7146.*110a.*0000.*"],
      ["DVB", ["DVB-C"]]],

    # DVB-S devices
    [ "VisionPlus 1020A", [".*0480.*109e.*0878.*1822.*0001.*"],
      ["DVB", ["DVB-S"]]],
#    [ "Technisat Skystar2", [".*0280.*13d0.*2103.*r01.*13d0.*2103.*"], # ??? dupe 1; nbdwt73, neutron68
#      ["DVB", ["DVB-S"]]],
    [ "Twinhan 102g", [".*0400.*109e.*036e.*r11.*1822.*0001.*"], # ??? dupe 2; neutron68
      # secondary device "0480" "109e" "0878" -r11 "1822" "0001"
      ["DVB", ["DVB-S"]]],
    
    # ATSC/QAM devices
    [ "Kworld ATSC-110", [".*0480.*1131.*7133.*17de.*"],
      ["DVB", ["ATSC", "QAM"]]],
    [ "pcHDTV hd-3000", [".*0400.*14f1.*8800.*3000.*"],
      ["DVB", ["ATSC", "QAM"]]], # the hd-3000 has several sub-devices; this pattern matches the digital tuner
    [ "BBTI HD5000AV / AirStar 2 TV", [".*0280.*13d0.*2103.*r02.*13d0.*2103.*"], # ??? dupe 1; manicmike
      ["DVB", ["ATSC", "QAM", "DVB-T"]]],
    [ "pcHDTV hd-5500", [".*0400.*14f1.*8800.*7063.*5500.*"],
      ["DVB", ["ATSC", "QAM"]]],
    [ "Hauppauge WinTV-HVR-1800", [".*0400.*14f1.*8880.*0070.*7801.*"],
      ["DVB", ["ATSC", "QAM"]]],
    [ "DViCO Fusion Express", [".*0400.*14f1.*8852.*r02.*18ac.*d500.*"],
      ["DVB", ["ATSC", "QAM"]]],

    # card has one sub-device; this pattern matches the primary device
    [ "DViCO Fusion HDTV5 Lite", [".*0400.*109e.*036e.*r11.*18ac.*d500.*"],
      # secondary device "0480" "109e" "0878" -r11 "18ac" "d500"
      ["DVB", ["ATSC", "QAM"]]],
    
    # ANALOG
    # -------
    # NTSC cards
    # MPEG-2 type
    [ "Hauppauge PVR-150", [".*0400.*4444.*0016.*0070.*8003.*", ".*0400.*4444.*0016.*0070.*8801.*"],
      ["MPEG", ["NTSC"]]],
    [ "Hauppauge PVR-250", [".*0200.*10ec.*8139.*1799.*5000.*", ".*0400.*4444.*0016.*0070.*4009.*", ".*0400.*4444.*0016.*0070.*f7f9.*"],
      ["MPEG", ["NTSC"]]],
    [ "Hauppauge PVR-350", [".*0400.*4444.*0803.*0070.*4000.*"],
      ["MPEG", ["NTSC"]]],

    # NTSC/PAL cards
    # MPEG-2 type
    [ "Hauppauge PVR-500", [".*0400.*4444.*0016.*0070.*e817.*", ".*0400.*4444.*0016.*0070.*e807.*"], # look for each of two devices on the card, since it's dual-tuner
      ["MPEG", ["NTSC"]]],
    
    # Frame grabbers
#    [ "bt878-based frame grabbers", [".*0400.*109e.*036e.*", ".*0480.*109e.*0878.*"],
#      ["V4L", ["NTSC"]]],
    
    # USB patterns

    [ "Dvico Dual Digital 4 rev2", [".* 0fe9:db98 .*"],
      ["DVB", ["DVB-T"]]],
    );

# "Hauppauge Nova-T 500 Dual DVB-T"

#T:  Bus=08 Lev=01 Prnt=01 Port=00 Cnt=01 Dev#=  2 Spd=480 MxCh= 0
#D:  Ver= 2.00 Cls=00(>ifc ) Sub=00 Prot=00 MxPS=64 #Cfgs=  1
#P:  Vendor=2040 ProdID=9941 Rev= 1.00
#S:  Manufacturer=Hauppauge
#S:  Product=WinTV Nova-DT
#S:  SerialNumber=4027351140
#C:* #Ifs= 1 Cfg#= 1 Atr=a0 MxPwr=500mA
#I:* If#= 0 Alt= 0 #EPs= 4 Cls=ff(vend.) Sub=00 Prot=00 Driver=dvb_usb_dib0700
#E:  Ad=01(O) Atr=02(Bulk) MxPS= 512 Ivl=125us
#E:  Ad=81(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
#E:  Ad=82(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
#E:  Ad=83(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms 

# "Hauppauge Nova-T-500"

#T:  Bus=08 Lev=01 Prnt=01 Port=00 Cnt=01 Dev#=  2 Spd=480 MxCh= 0
#D:  Ver= 2.00 Cls=00(>ifc ) Sub=00 Prot=00 MxPS=64 #Cfgs=  1
#P:  Vendor=2040 ProdID=9950 Rev= 1.00
#S:  Manufacturer=Hauppauge
#S:  Product=WinTV Nova-DT
#S:  SerialNumber=4027353863
#C:* #Ifs= 1 Cfg#= 1 Atr=80 MxPwr=500mA
#I:  If#= 0 Alt= 0 #EPs= 4 Cls=ff(vend.) Sub=00 Prot=00 Driver=dvb_usb_dib0700
#E:  Ad=01(O) Atr=02(Bulk) MxPS= 512 Ivl=125us
#E:  Ad=81(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
#E:  Ad=82(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
#E:  Ad=83(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms 

# Try to implement the given option.
sub implement_option {
    my($option) = @_;
    
    $dbconnectionstring = get_mythtv_connection_string();
	
    if (connect_to_db("DBI:mysql:$dbconnectionstring")) {
	my $logger = get_logger('tweaker.script');
	
	# Get a list of all PCI and USB devices for later processing
	my @device_list = split('\n', execute_shell_command("lspci -mn ; lsusb"));

	# Iterate through the list of known tuner cards, then the list of known network tuners.
	# For each known tuner, configure a safe default for it if it's found.  Set up
	# well-named video sources for any mode supported by any tuner, and pick a default.

	# Determine the recording priority for a given device using the following priority rules,
	# from top to bottom, the top being the most significant, and the bottom being the least
	# significant
	
	# Input types in order of decreasing priority:
	# Digital cable, digital satellite, digital OTA, analog cable, analog line-in, analog OTA

	# Device types in order of decreasing priority:
	# local device, remote device

	# Capture types in order of decreasing priority:
	# MPEG-2 creators (or passthrough of MPEG-2), MPEG-4 creators, frame grabbers
	
	# For example, if device1 supports a better input type than device2, device1 is always preferred.
	# Ties are broken by the next level down.  For example, if device1 and device2 both support the
	# same input type, the tie is broken based on whether it's a local or remote device.  Finally,
	# ties of input type and device type are broken by the output of the device.  It should be
	# noted that it's possible to tie in all categories, and MythTV will break ties based on the
	# order in which the devices are defined.


	# For the following subroutines, $relative_device_count represents which device this is in
	# the context of the total devices of its type.  $global_device_count represents which device
	# this is amongst all capture devices.  Each returns a list of row names and values
	# for the capturecard table, appropriate for the relevant type of device.
	
	# Create an entry in the capturecard table for the given tuner.
	sub make_capturecard_SQL {
	    my($global_device_count, $relative_device_count, $cardtype, $tuner_number)=@_;
	    # $tuner_number is only used for HDHomeRuns
	    my $defaultinput="";
	    my $hostname = execute_shell_command("hostname") || "localhost";
	    my $checkfields = [["cardid", "$global_device_count"],
			       ["hostname", "$hostname"],
			       ["cardtype", "$cardtype"]];
	    my $setfields;
	    my $logger = get_logger('tweaker.script');
	    
	    # Because other devices use the /dev/video* and /dev/vbi* device
	    # files, the "device count" is used to determine which number follows the base
	    # device file name, e.g. /dev/video1, /dev/vbi1
	    sub make_V4L_capturecard_SQL {
		my($relative_device_count)=@_; # 0-indexed
		
		return [["videodevice", "/dev/video$relative_device_count"],
			["audiodevice", "/dev/dsp"],
			["vbidevice", "/dev/vbi$relative_device_count"],
			["audioratelimit", "0"]];
	    }
	    
	    # Because other devices use the /dev/video* and /dev/vbi* device
	    # files, the "device count" is used to determine which number follows the base
	    # device file name, e.g. /dev/video1, /dev/vbi1
	    sub make_MPEG_capturecard_SQL {
		my($relative_device_count, $defaultinput)=@_; # 0-indexed
		
		return [["videodevice", "/dev/video$relative_device_count"],
			["defaultinput", $defaultinput]];
	    }
	    
	    sub make_DVB_capturecard_SQL {
		my($relative_device_count, # 0-indexed
		   $defaultinput)=@_;
		my $logger = get_logger('tweaker.script');

		$logger->debug("DEFAULTINPUT: $defaultinput");
		
		return [["videodevice", "$relative_device_count"], # Rather than being a device file, it's a 0-indexed value indicating
			# which of the N available DVB devices this is.  Since a card can have more than one DVB device on it, there may
			# be more DVB "videodevice"s on a system than there are distinct "cardid"s.
			["defaultinput", $defaultinput],
			["dvb_on_demand", "1"]];
	    }

	    # special case of DVB device
	    sub make_HDHOMERUN_capturecard_SQL {
		my($hdhr_hex_id, $tuner_number, $defaultinput)=@_;

		return [["videodevice", "$hdhr_hex_id"],
			["defaultinput", $defaultinput],
			["dvb_on_demand", "0"],
			["dbox2_port", $tuner_number] # 0 or 1
		    ];
	    }

	    $logger->debug("CARD TYPE: $cardtype");
	    switch($cardtype) {
		case "V4L" {
		    $setfields = make_V4L_capturecard_SQL($relative_device_count);
		}
		case "DVB" {
		    $defaultinput = "DVBInput";
		    $setfields = make_DVB_capturecard_SQL($relative_device_count, $defaultinput);
		}
		case "HDHOMERUN" {
		    $defaultinput = "MPEG2TS";
		    $setfields = make_HDHOMERUN_capturecard_SQL($relative_device_count, $tuner_number, $defaultinput);
		}
		case "MPEG" {
		    $defaultinput = "Tuner 1";
		    $setfields = make_MPEG_capturecard_SQL($relative_device_count, $defaultinput);
		}
	    }

	    change_or_make_entry("capturecard", $setfields, $checkfields);
	    return $defaultinput;
	}

	# Create an entry in videosource corresponding to the sub-type of input this device takes
	# Return the sourceid for the entry we just made, which is a rough metric of desirability.
	sub verify_or_make_videosource_SQL {
	    # sub-types are NTSC, PAL, ATSC, QAM, DVB-S, DVB-T, DVB-C, etc.
	    my($sub_type)=@_;
	    my $logger = get_logger('tweaker.script');

	    $logger->debug("\t\t\tUpdating or adding videosource for sub-type: $sub_type");
	    
	    switch($sub_type) {
		# North American options, from least desirable to most desirable (this is slightly arbitrary)
		case "NTSC" {
		    change_or_make_entry("videosource", [["name", "analog_broadcast"], ["freqtable", "try-all"]], [["sourceid", 1]]);
		    # This is one of two cases where a sub_type can be used in two ways.  Both videosources are made, but the preferred one is
		    # cable, the most common option.
		    change_or_make_entry("videosource", [["name", "analog_cable"], ["freqtable", "try-all"]], [["sourceid", 5]]);
		    return 5;
		}
		case "ATSC" {
		    change_or_make_entry("videosource", [["name", "digital_broadcast"], ["freqtable", "try-all"]], [["sourceid", 10]]);
		    return 10;
		}
		case "QAM" {
		    change_or_make_entry("videosource", [["name", "digital_cable"], ["freqtable", "try-all"]], [["sourceid", 20]]);
		    return 20;
		}

		# Options for the rest of the planet
		case "PAL" {
		    change_or_make_entry("videosource", [["name", "analog_broadcast"], ["freqtable", "try-all"]], [["sourceid", 1]]);
		    # This is one of two cases where a sub_type can be used in two ways.  Both videosources are made, but the preferred one is
		    # cable, the most common option.
		    change_or_make_entry("videosource", [["name", "analog_cable"], ["freqtable", "try-all"]], [["sourceid", 5]]);
		    return 5;
		}
		case "DVB-T" {
		    change_or_make_entry("videosource", [["name", "digital_broadcast"], ["freqtable", "try-all"]], [["sourceid", 10]]);
		    return 10;
		}
		case "DVB-C" {
		    change_or_make_entry("videosource", [["name", "digital_cable"], ["freqtable", "try-all"]], [["sourceid", 20]]);
		    return 20;
		}

		# Planet-wide options
		case "DVB-S" {
		    change_or_make_entry("videosource", [["name", "digital_satellite"], ["freqtable", "try-all"]], [["sourceid", 15]]);
		    return 15;
		}
	    }
	}

	sub make_cardinput_SQL {
	    my($tuner_card_number, $sourceid, $inputname, $priority_modifier)=@_;

	    change_or_make_entry("cardinput", [["sourceid", $sourceid], ["cardid", $tuner_card_number],
					       ["inputname", $inputname], ["preference", $sourceid], ["tunechan", ""],
					       ["startchan", "Please add"], ["freetoaironly", "1"],
					       ["recpriority", $sourceid+$priority_modifier]],
				 [["cardinputid", $tuner_card_number]]);
	}

	sub max {
	    my($a, $b)=@_;
	    if ($a > $b) {
		return $a;
	    } else {
		return $b;
	    }
	}
	
	my $global_device_count=0;

	# Configure each supported tuner/capture device detected on the system.

	# built-in, PCI, PCI Express, or USB
	$logger->debug("Processing built-in, PCI, PCI Express or USB devices...");
	for my $a_device (@device_list) {
	    $logger->debug("DEVICE: $a_device");
	    my $match=0;

	    for my $device_data (@capture_card_patterns) {
		$logger->debug("\tIs there a @$device_data[0] at this location?");

		for my $patterns (@$device_data[1]) {
		    for my $pattern (@$patterns) {
			if ($match) {
			    next;
			} else {
			    $logger->debug("\t\tPATTERN: $pattern");
			    $match += ($a_device =~ m/$pattern/i);
			    if ($match) {
				$global_device_count++; # 1-indexed
				
				$logger->debug("\t\tfound one!");
				# Each device has a device type (e.g. MPEG, DVB, V4L) that it supports, and a
				# list of sub_types (e.g. PAL, NTSC, DVB-S, DVB-T, DVB-C, ATSC, QAM).
				# The device type is used to configure the capturecard table and the cardinput table.
				# The sub_types are used to populate the videosource table.
				# The device type and "best" sub_type are used to set the 'sourceid' field of the cardinput table.

				for my $typeblock (@$device_data[2]) {
				    my $device_type = @$typeblock[0];
				    $logger->debug("\t\tDEVICE TYPE: $device_type"); # e.g. "DVB", "MPEG", etc.
				    $cardtypes{$device_type}++;
				    my $sourceid = -1;
				    for my $sub_types (@$typeblock[1]) {
					for my $sub_type (@$sub_types) {
					    $logger->debug("\t\tSUB-TYPE: $sub_type\n"); # e.g. "DVB-S", "QAM", etc.
					    # ensure that the videosource table has an entry for each sub_type
					    # that this device supports; use the "best" one for the device by
					    # default

					    #
					    # POPULATE videosource table
					    #
					    $sourceid = max(verify_or_make_videosource_SQL($sub_type), $sourceid);
					}
				    }
				    $logger->debug("\t\t\"BEST\" SOURCE ID: $sourceid\n");

				    #
				    # POPULATE capturecard table
				    #
				    my $defaultinput = make_capturecard_SQL($global_device_count, $cardtypes{$device_type}-1, $device_type, -1);

				    #
				    # POPULATE cardinput table
				    #
				    make_cardinput_SQL($global_device_count, $sourceid, $defaultinput, 0);
				}
			    }
			}
		    }
		}
	    }
	}

	# network tuner devices
	$logger->debug("Processing network devices...");

	# get our IP address
	my $ip_address;
	open(SHELL, "ifconfig | grep \"inet addr\" | grep -v 127 |");
	while(<SHELL>) {
	    my @line = split(/:| +/);
	    $ip_address = $line[3];
	}
	close(SHELL);

	# ??? eventually, just add LocalIPCheck.pl's code to Tweaker/Script.pm and avoid bizarre perl-to-shell-to-perl calls at this level
	my $ip_class = execute_shell_command("echo $ip_address | LocalIPCheck.pl; echo \$?");

	if ($ip_class > 0) { # we're on a LAN, not the internet
	    # Look for HDHomeRun, a DVB ATSC/QAM device
	    $sourceid=0;
	    $logger->debug("\tLooking for SiliconDust HDHomeRun...");
	    open(SHELL2, "hdhomerun_config discover |");
	    while(<SHELL2>) {
		if (m/\d+\.\d+\.\d+\.\d+/) {
		    my @line = split(/ /);
		    my $hdhr_hex_id = $line[2];

		    $logger->debug("\tfound $hdhr_hex_id");
		    $global_device_count++; # 1-indexed
		    $cardtypes{"DVB"}++;
		    #
		    # POPULATE videosource table
		    #
		    for my $sub_type ("ATSC", "QAM") {
			$sourceid = max(verify_or_make_videosource_SQL($sub_type), $sourceid);
		    }
		    $logger->debug("\t\t\"BEST\" SOURCE ID: $sourceid\n");
		    
		    #
		    # POPULATE capturecard table
		    #
		    
		    # there are two tuners per HDHomeRun
		    for (my $sub_tuner_count = 0; $sub_tuner_count < 2; $sub_tuner_count++) {
			my $defaultinput = make_capturecard_SQL($global_device_count+$sub_tuner_count, $hdhr_hex_id, "HDHOMERUN", $sub_tuner_count);
			#
			# POPULATE cardinput table
			#
			make_cardinput_SQL($global_device_count+$sub_tuner_count, $sourceid, $defaultinput, -4); # the -4 is to make it less desirable
			# than a local device
		    }
		    $global_device_count++;
		    
		}
	    }
	    close(SHELL2);
	} # else: don't scan the internet!
	
	# Filesystem Tweaks for tuners
	# This only works with the Nova-T-500 card, but it doesn't hurt any other cards
	execute_shell_command("echo \"#switch on onboard amplifier on Nova-T-500 card\" > /etc/modprobe.d/dvb-usb-dib0700");
	execute_shell_command("echo \"options dvb-usb-dib0700 force_lna_activation=1\" >> /etc/modprobe.d/dvb-usb-dib0700");
    } else {
	my $logger = get_logger('tweaker.script');
	$logger->error("Unable to connect to mythconverg database");
	$logger->error("Unable to implement option $option.");
	return -1;
    }
}

# Try to get a Recommendation Level for $option.
sub poll_options {
    my($option) = @_;

    recommendation_level("recommended", "Everyone should scan for tuners to autoconfigure.");
}

# Unimplemented in 0.7
sub check_option {
    help;
}

# Unimplemented in 0.7
sub count_iterations {
    help;
}

process_parameters;