3 * @brief Digital broadcasting input module for VLC media player
5 /*****************************************************************************
6 * Copyright © 2011 Rémi Denis-Courmont
8 * This program is free software; you can redistribute it and/or modify it
9 * under the terms of the GNU Lesser General Public License as published by
10 * the Free Software Foundation; either version 2.1 of the License, or
11 * (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU Lesser General Public License for more details.
18 * You should have received a copy of the GNU Lesser General Public License
19 * along with this program; if not, write to the Free Software Foundation,
20 * Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
21 *****************************************************************************/
27 #include <vlc_common.h>
28 #include <vlc_access.h>
29 #include <vlc_plugin.h>
30 #include <vlc_dialog.h>
35 #define ADAPTER_TEXT N_("DVB adapter")
36 #define ADAPTER_LONGTEXT N_( \
37 "If there is more than one digital broadcasting adapter, " \
38 "the adapter number must be selected. Numbering start from zero.")
40 #define BUDGET_TEXT N_("Do not demultiplex")
41 #define BUDGET_LONGTEXT N_( \
42 "Only useful programs are normally demultiplexed from the transponder. " \
43 "This option will disable demultiplexing and receive all programs.")
45 #define NAME_TEXT N_("Network name")
46 #define NAME_LONGTEXT N_("Unique network name in the System Tuning Spaces")
48 #define CREATE_TEXT N_("Network name to create")
49 #define CREATE_LONGTEXT N_("Create unique name in the System Tuning Spaces")
51 #define FREQ_TEXT N_("Frequency (Hz)")
52 #define FREQ_LONGTEXT N_( \
53 "TV channels are grouped by transponder (a.k.a. multiplex) " \
54 "on a given frequency. This is required to tune the receiver.")
56 #define MODULATION_TEXT N_("Modulation / Constellation")
57 #define MODULATION_A_TEXT N_("Layer A modulation")
58 #define MODULATION_B_TEXT N_("Layer B modulation")
59 #define MODULATION_C_TEXT N_("Layer C modulation")
60 #define MODULATION_LONGTEXT N_( \
61 "The digital signal can be modulated according with different " \
62 "constellations (depending on the delivery system). " \
63 "If the demodulator cannot detect the constellation automatically, " \
64 "it needs to be configured manually.")
65 static const char *const modulation_vlc[] = { "",
66 "QAM", "16QAM", "32QAM", "64QAM", "128QAM", "256QAM",
68 "QPSK", "DQPSK", "8PSK", "16APSK", "32APSK",
70 static const char *const modulation_user[] = { N_("Undefined"),
71 "Auto QAM", "16-QAM", "32-QAM", "64-QAM", "128-QAM", "256-QAM",
73 "QPSK", "DQPSK", "8-PSK", "16-APSK", "32-APSK",
76 #define SRATE_TEXT N_("Symbol rate (bauds)")
77 #define SRATE_LONGTEXT N_( \
78 "The symbol rate must be specified manually for some systems, " \
79 "notably DVB-C, DVB-S and DVB-S2.")
81 #define INVERSION_TEXT N_("Spectrum inversion")
82 #define INVERSION_LONGTEXT N_( \
83 "If the demodulator cannot detect spectral inversion correctly, " \
84 "it needs to be configured manually.")
85 const int auto_off_on_vlc[] = { -1, 0, 1 };
86 static const char *const auto_off_on_user[] = { N_("Automatic"),
87 N_("Off"), N_("On") };
89 #define CODE_RATE_TEXT N_("FEC code rate")
90 #define CODE_RATE_HP_TEXT N_("High-priority code rate")
91 #define CODE_RATE_LP_TEXT N_("Low-priority code rate")
92 #define CODE_RATE_A_TEXT N_("Layer A code rate")
93 #define CODE_RATE_B_TEXT N_("Layer B code rate")
94 #define CODE_RATE_C_TEXT N_("Layer C code rate")
95 #define CODE_RATE_LONGTEXT N_( \
96 "The code rate for Forward Error Correction can be specified.")
97 static const char *const code_rate_vlc[] = { "",
98 "0", /*"1/4", "1/3",*/ "1/2", "3/5", "2/3", "3/4",
99 "4/5", "5/6", "6/7", "7/8", "8/9", "9/10",
101 static const char *const code_rate_user[] = { N_("Automatic"),
102 N_("None"), /*"1/4", "1/3",*/ "1/2", "3/5", "2/3", "3/4",
103 "4/5", "5/6", "6/7", "7/8", "8/9", "9/10",
106 #define TRANSMISSION_TEXT N_("Transmission mode")
107 const int transmission_vlc[] = { -1,
110 static const char *const transmission_user[] = { N_("Automatic"),
111 "1k", "2k", "4k", "8k", "16k", "32k",
114 #define BANDWIDTH_TEXT N_("Bandwidth (MHz)")
115 const int bandwidth_vlc[] = { 0,
118 static const char *const bandwidth_user[] = { N_("Automatic"),
119 N_("10 MHz"), N_("8 MHz"), N_("7 MHz"), N_("6 MHz"),
120 N_("5 MHz"), N_("1.712 MHz"),
123 #define GUARD_TEXT N_("Guard interval")
124 const char *const guard_vlc[] = { "",
125 "1/128", "1/32", "1/16", "19/256", "1/8", "19/128", "1/4",
127 static const char *const guard_user[] = { N_("Automatic"),
128 "1/128", "1/32", "1/16", "19/256", "1/8", "19/128", "1/4",
131 #define HIERARCHY_TEXT N_("Hierarchy mode")
132 const int hierarchy_vlc[] = { -1,
135 static const char *const hierarchy_user[] = { N_("Automatic"),
136 N_("None"), "1", "2", "4",
139 #define SEGMENT_COUNT_A_TEXT N_("Layer A segments count")
140 #define SEGMENT_COUNT_B_TEXT N_("Layer B segments count")
141 #define SEGMENT_COUNT_C_TEXT N_("Layer C segments count")
143 #define TIME_INTERLEAVING_A_TEXT N_("Layer A time interleaving")
144 #define TIME_INTERLEAVING_B_TEXT N_("Layer B time interleaving")
145 #define TIME_INTERLEAVING_C_TEXT N_("Layer C time interleaving")
147 #define PILOT_TEXT N_("Pilot")
149 #define ROLLOFF_TEXT N_("Roll-off factor")
150 const int rolloff_vlc[] = { -1,
153 static const char *const rolloff_user[] = { N_("Automatic"),
154 N_("0.35 (same as DVB-S)"), N_("0.20"), N_("0.25"),
157 #define TS_ID_TEXT N_("Transport stream ID")
159 #define POLARIZATION_TEXT N_("Polarization (Voltage)")
160 #define POLARIZATION_LONGTEXT N_( \
161 "To select the polarization of the transponder, a different voltage " \
162 "is normally applied to the low noise block-downconverter (LNB).")
163 static const char *const polarization_vlc[] = { "", "V", "H", "R", "L" };
164 static const char *const polarization_user[] = { N_("Unspecified (0V)"),
165 N_("Vertical (13V)"), N_("Horizontal (18V)"),
166 N_("Circular Right Hand (13V)"), N_("Circular Left Hand (18V)") };
168 #define HIGH_VOLTAGE_TEXT N_("High LNB voltage")
169 #define HIGH_VOLTAGE_LONGTEXT N_( \
170 "If the cables between the satellilte low noise block-downconverter and " \
171 "the receiver are long, higher voltage may be required.\n" \
172 "Not all receivers support this.")
174 #define LNB_LOW_TEXT N_("Local oscillator low frequency (kHz)")
175 #define LNB_HIGH_TEXT N_("Local oscillator high frequency (kHz)")
176 #define LNB_LONGTEXT N_( \
177 "The downconverter (LNB) will substract the local oscillator frequency " \
178 "from the satellite transmission frequency. " \
179 "The intermediate frequency (IF) on the RF cable is the result.")
180 #define LNB_SWITCH_TEXT N_("Universal LNB switch frequency (kHz)")
181 #define LNB_SWITCH_LONGTEXT N_( \
182 "If the satellite transmission frequency exceeds the switch frequency, " \
183 "the oscillator high frequency will be used as reference. " \
184 "Furthermore the automatic continuous 22kHz tone will be sent.")
185 #define TONE_TEXT N_("Continuous 22kHz tone")
186 #define TONE_LONGTEXT N_( \
187 "A continuous tone at 22kHz can be sent on the cable. " \
188 "This normally selects the higher frequency band from a universal LNB.")
190 #define SATNO_TEXT N_("DiSEqC LNB number")
191 #define SATNO_LONGTEXT N_( \
192 "If the satellite receiver is connected to multiple " \
193 "low noise block-downconverters (LNB) through a DiSEqC 1.0 switch, " \
194 "the correct LNB can be selected (1 to 4). " \
195 "If there is no switch, this parameter should be 0.")
197 static const int satno_vlc[] = { 0, 1, 2, 3, 4 };
198 static const char *const satno_user[] = { N_("Unspecified"),
199 "A/1", "B/2", "C/3", "D/4" };
202 /* BDA module additional DVB-S Parameters */
203 #define NETID_TEXT N_("Network identifier")
204 #define AZIMUTH_TEXT N_("Satellite azimuth")
205 #define AZIMUTH_LONGTEXT N_("Satellite azimuth in tenths of degree")
206 #define ELEVATION_TEXT N_("Satellite elevation")
207 #define ELEVATION_LONGTEXT N_("Satellite elevation in tenths of degree")
208 #define LONGITUDE_TEXT N_("Satellite longitude")
209 #define LONGITUDE_LONGTEXT N_( \
210 "Satellite longitude in tenths of degree. West is negative.")
212 #define RANGE_TEXT N_("Satellite range code")
213 #define RANGE_LONGTEXT N_("Satellite range code as defined by manufacturer " \
214 "e.g. DISEqC switch code")
217 #define MAJOR_CHANNEL_TEXT N_("Major channel")
218 #define MINOR_CHANNEL_TEXT N_("ATSC minor channel")
219 #define PHYSICAL_CHANNEL_TEXT N_("Physical channel")
221 static int Open (vlc_object_t *);
222 static void Close (vlc_object_t *);
225 set_shortname (N_("DTV"))
226 set_description (N_("Digital Television and Radio"))
227 set_category (CAT_INPUT)
228 set_subcategory (SUBCAT_INPUT_ACCESS)
229 set_capability ("access", 0)
230 set_callbacks (Open, Close)
231 add_shortcut ("dtv", "tv", "dvb", /* "radio", "dab",*/
232 "cable", "dvb-c", "cqam"
233 "satellite", "dvb-s", "dvb-s2", "isdb-s",
234 "terrestrial", "dvb-t", "dvb-t2", "isdb-t", "atsc")
236 /* All options starting with dvb- can be overridden in the MRL, so they
237 * must all be "safe". Nevertheless, we do not mark as safe those that are
238 * really specific to the local system (e.g. device ID...).
239 * It wouldn't make sense to deliver those through a playlist. */
242 add_integer ("dvb-adapter", 0, ADAPTER_TEXT, ADAPTER_LONGTEXT, false)
243 change_integer_range (0, 255)
245 add_obsolete_integer ("dvb-device")
246 add_bool ("dvb-budget-mode", false, BUDGET_TEXT, BUDGET_LONGTEXT, true)
249 add_integer ("dvb-adapter", -1, ADAPTER_TEXT, ADAPTER_LONGTEXT, true)
251 add_string ("dvb-network-name", "", NAME_TEXT, NAME_LONGTEXT, true)
252 /* Hmm: is this one really safe??: */
253 add_string ("dvb-create-name", "", CREATE_TEXT, CREATE_LONGTEXT, true)
256 add_integer ("dvb-frequency", 0, FREQ_TEXT, FREQ_LONGTEXT, false)
257 change_integer_range (0, 107999999)
259 add_integer ("dvb-inversion", -1, INVERSION_TEXT, INVERSION_LONGTEXT, true)
260 change_integer_list (auto_off_on_vlc, auto_off_on_user)
263 set_section (N_("Terrestrial reception parameters"), NULL)
264 add_integer ("dvb-bandwidth", 0, BANDWIDTH_TEXT, BANDWIDTH_TEXT, true)
265 change_integer_list (bandwidth_vlc, bandwidth_user)
267 add_integer ("dvb-transmission", 0,
268 TRANSMISSION_TEXT, TRANSMISSION_TEXT, true)
269 change_integer_list (transmission_vlc, transmission_user)
271 add_string ("dvb-guard", "", GUARD_TEXT, GUARD_TEXT, true)
272 change_string_list (guard_vlc, guard_user, NULL)
275 set_section (N_("DVB-T reception parameters"), NULL)
276 add_string ("dvb-code-rate-hp", "",
277 CODE_RATE_HP_TEXT, CODE_RATE_LONGTEXT, true)
278 change_string_list (code_rate_vlc, code_rate_user, NULL)
280 add_string ("dvb-code-rate-lp", "",
281 CODE_RATE_LP_TEXT, CODE_RATE_LONGTEXT, true)
282 change_string_list (code_rate_vlc, code_rate_user, NULL)
284 add_integer ("dvb-hierarchy", -1, HIERARCHY_TEXT, HIERARCHY_TEXT, true)
285 change_integer_list (hierarchy_vlc, hierarchy_user)
288 set_section (N_("ISDB-T reception parameters"), NULL)
289 add_string ("dvb-a-modulation", NULL,
290 MODULATION_A_TEXT, MODULATION_LONGTEXT, true)
291 change_string_list (modulation_vlc, modulation_user, NULL)
293 add_string ("dvb-a-fec", NULL, CODE_RATE_A_TEXT, CODE_RATE_LONGTEXT, true)
294 change_string_list (code_rate_vlc, code_rate_user, NULL)
296 add_integer ("dvb-a-count", 0, SEGMENT_COUNT_A_TEXT, NULL, true)
297 change_integer_range (0, 13)
299 add_integer ("dvb-a-interleaving", 0, TIME_INTERLEAVING_A_TEXT, NULL, true)
300 change_integer_range (0, 3)
302 add_string ("dvb-b-modulation", NULL,
303 MODULATION_B_TEXT, MODULATION_LONGTEXT, true)
304 change_string_list (modulation_vlc, modulation_user, NULL)
306 add_string ("dvb-b-fec", NULL, CODE_RATE_B_TEXT, CODE_RATE_LONGTEXT, true)
307 change_string_list (code_rate_vlc, code_rate_user, NULL)
309 add_integer ("dvb-b-count", 0, SEGMENT_COUNT_B_TEXT, NULL, true)
310 change_integer_range (0, 13)
312 add_integer ("dvb-b-interleaving", 0, TIME_INTERLEAVING_B_TEXT, NULL, true)
313 change_integer_range (0, 3)
315 add_string ("dvb-c-modulation", NULL,
316 MODULATION_C_TEXT, MODULATION_LONGTEXT, true)
317 change_string_list (modulation_vlc, modulation_user, NULL)
319 add_string ("dvb-c-fec", NULL, CODE_RATE_C_TEXT, CODE_RATE_LONGTEXT, true)
320 change_string_list (code_rate_vlc, code_rate_user, NULL)
322 add_integer ("dvb-c-count", 0, SEGMENT_COUNT_C_TEXT, NULL, true)
323 change_integer_range (0, 13)
325 add_integer ("dvb-c-interleaving", 0, TIME_INTERLEAVING_C_TEXT, NULL, true)
326 change_integer_range (0, 3)
329 set_section (N_("Cable and satellite reception parameters"), NULL)
330 add_string ("dvb-modulation", NULL,
331 MODULATION_TEXT, MODULATION_LONGTEXT, false)
332 change_string_list (modulation_vlc, modulation_user, NULL)
334 add_integer ("dvb-srate", 0, SRATE_TEXT, SRATE_LONGTEXT, false)
335 change_integer_range (0, UINT64_C(0xffffffff))
337 add_string ("dvb-fec", "", CODE_RATE_TEXT, CODE_RATE_LONGTEXT, true)
338 change_string_list (code_rate_vlc, code_rate_user, NULL)
341 set_section (N_("DVB-S2 parameters"), NULL)
342 add_integer ("dvb-pilot", -1, PILOT_TEXT, PILOT_TEXT, true)
343 change_integer_list (auto_off_on_vlc, auto_off_on_user)
345 add_integer ("dvb-rolloff", -1, ROLLOFF_TEXT, ROLLOFF_TEXT, true)
346 change_integer_list (rolloff_vlc, rolloff_user)
349 set_section (N_("ISDB-S parameters"), NULL)
350 add_integer ("dvb-ts-id", 0, TS_ID_TEXT, TS_ID_TEXT, false)
351 change_integer_range (0, 0xffff)
354 set_section (N_("Satellite equipment control"), NULL)
355 add_string ("dvb-polarization", "",
356 POLARIZATION_TEXT, POLARIZATION_LONGTEXT, false)
357 change_string_list (polarization_vlc, polarization_user, NULL)
359 add_integer ("dvb-voltage", 13, "", "", true)
360 change_integer_range (0, 18)
364 add_bool ("dvb-high-voltage", false,
365 HIGH_VOLTAGE_TEXT, HIGH_VOLTAGE_LONGTEXT, false)
367 add_integer ("dvb-lnb-low", 0, LNB_LOW_TEXT, LNB_LONGTEXT, true)
368 change_integer_range (0, 0x7fffffff)
369 add_obsolete_integer ("dvb-lnb-lof1") /* since 1.2.0 */
370 add_integer ("dvb-lnb-high", 0, LNB_HIGH_TEXT, LNB_LONGTEXT, true)
371 change_integer_range (0, 0x7fffffff)
372 add_obsolete_integer ("dvb-lnb-lof2") /* since 1.2.0 */
373 add_integer ("dvb-lnb-switch", 11700000,
374 LNB_SWITCH_TEXT, LNB_SWITCH_LONGTEXT, true)
375 change_integer_range (0, 0x7fffffff)
376 add_obsolete_integer ("dvb-lnb-slof") /* since 1.2.0 */
378 add_integer ("dvb-satno", 0, SATNO_TEXT, SATNO_LONGTEXT, true)
379 change_integer_list (satno_vlc, satno_user)
380 add_integer ("dvb-tone", -1, TONE_TEXT, TONE_LONGTEXT, true)
381 change_integer_list (auto_off_on_vlc, auto_off_on_user)
384 add_integer ("dvb-network-id", 0, NETID_TEXT, NETID_TEXT, true)
385 add_integer ("dvb-azimuth", 0, AZIMUTH_TEXT, AZIMUTH_LONGTEXT, true)
386 add_integer ("dvb-elevation", 0, ELEVATION_TEXT, ELEVATION_LONGTEXT, true)
387 add_integer ("dvb-longitude", 0, LONGITUDE_TEXT, LONGITUDE_LONGTEXT, true)
388 add_string ("dvb-range", "", RANGE_TEXT, RANGE_LONGTEXT, true)
389 /* dvb-range corresponds to the BDA InputRange parameter which is
390 * used by some drivers to control the diseqc */
392 set_section (N_("ATSC reception parameters"), NULL)
393 add_integer ("dvb-major-channel", 0, MAJOR_CHANNEL_TEXT, NULL, true)
394 add_integer ("dvb-minor-channel", 0, MINOR_CHANNEL_TEXT, NULL, true)
395 add_integer ("dvb-physical-channel", 0, PHYSICAL_CHANNEL_TEXT, NULL, true)
404 typedef struct delsys
406 int (*setup) (vlc_object_t *, dvb_device_t *, uint64_t freq);
407 /* TODO: scan stuff */
410 static const delsys_t dvbc, dvbs, dvbs2, dvbt, dvbt2;
411 static const delsys_t isdbs, isdbt;
412 static const delsys_t atsc, cqam;
414 static block_t *Read (access_t *);
415 static int Control (access_t *, int, va_list);
416 static const delsys_t *GuessSystem (const char *, dvb_device_t *);
417 static int Tune (vlc_object_t *, dvb_device_t *, const delsys_t *, uint64_t);
418 static uint64_t var_InheritFrequency (vlc_object_t *);
420 static int Open (vlc_object_t *obj)
422 access_t *access = (access_t *)obj;
423 access_sys_t *sys = malloc (sizeof (*sys));
424 if (unlikely(sys == NULL))
427 var_LocationParse (obj, access->psz_location, "dvb-");
429 dvb_device_t *dev = dvb_open (obj);
439 uint64_t freq = var_InheritFrequency (obj);
442 const delsys_t *delsys = GuessSystem (access->psz_access, dev);
443 if (delsys == NULL || Tune (obj, dev, delsys, freq))
445 msg_Err (obj, "tuning to %"PRIu64" Hz failed", freq);
446 dialog_Fatal (obj, N_("Digital broadcasting"),
447 N_("The selected digital tuner does not support "
448 "the specified parameters.\n"
449 "Please check the preferences."));
453 dvb_add_pid (dev, 0);
455 access->pf_block = Read;
456 access->pf_control = Control;
457 if (access->psz_demux == NULL || !access->psz_demux[0])
459 free (access->psz_demux);
460 access->psz_demux = strdup ("ts");
466 access->p_sys = NULL;
470 static void Close (vlc_object_t *obj)
472 access_t *access = (access_t *)obj;
473 access_sys_t *sys = access->p_sys;
475 dvb_close (sys->dev);
479 static block_t *Read (access_t *access)
481 #define BUFSIZE (20*188)
482 block_t *block = block_Alloc (BUFSIZE);
483 if (unlikely(block == NULL))
486 access_sys_t *sys = access->p_sys;
487 ssize_t val = dvb_read (sys->dev, block->p_buffer, BUFSIZE);
492 access->info.b_eof = true;
493 block_Release (block);
497 block->i_buffer = val;
501 static int Control (access_t *access, int query, va_list args)
503 access_sys_t *sys = access->p_sys;
504 dvb_device_t *dev = sys->dev;
508 case ACCESS_CAN_SEEK:
509 case ACCESS_CAN_FASTSEEK:
510 case ACCESS_CAN_PAUSE:
511 case ACCESS_CAN_CONTROL_PACE:
513 bool *v = va_arg (args, bool *);
518 case ACCESS_GET_PTS_DELAY:
520 int64_t *v = va_arg (args, int64_t *);
521 *v = var_InheritInteger (access, "live-caching") * INT64_C(1000);
525 case ACCESS_GET_TITLE_INFO:
526 case ACCESS_GET_META:
529 case ACCESS_GET_CONTENT_TYPE:
531 char **pt = va_arg (args, char **);
532 *pt = strdup ("video/MP2T");
536 case ACCESS_SET_PAUSE_STATE:
537 case ACCESS_SET_TITLE:
538 case ACCESS_SET_SEEKPOINT:
541 case ACCESS_GET_SIGNAL:
542 *va_arg (args, double *) = dvb_get_snr (dev);
543 *va_arg (args, double *) = dvb_get_signal_strength (dev);
546 case ACCESS_SET_PRIVATE_ID_STATE:
548 unsigned pid = va_arg (args, unsigned);
549 bool add = va_arg (args, unsigned);
551 if (unlikely(pid > 0x1FFF))
555 if (dvb_add_pid (dev, pid))
559 dvb_remove_pid (dev, pid);
563 case ACCESS_SET_PRIVATE_ID_CA:
566 struct dvbpsi_pmt_s *pmt = va_arg (args, struct dvbpsi_pmt_s *);
568 dvb_set_ca_pmt (dev, pmt);
573 case ACCESS_GET_PRIVATE_ID_STATE:
577 msg_Warn (access, "unimplemented query %d in control", query);
582 /*** Generic tuning ***/
584 /** Determines which delivery system to use. */
585 static const delsys_t *GuessSystem (const char *scheme, dvb_device_t *dev)
587 /* NOTE: We should guess the delivery system for the "cable", "satellite"
588 * and "terrestrial" shortcuts (i.e. DVB, ISDB, ATSC...). But there is
589 * seemingly no sane way to do get the info with Linux DVB version 5.2.
590 * In particular, the frontend infos distinguish only the modulator class
591 * (QPSK, QAM, OFDM or ATSC).
593 * Furthermore, if the demodulator supports 2G, we cannot guess whether
594 * 1G or 2G is intended. For backward compatibility, 1G is assumed
595 * (this is not a limitation of Linux DVB). We will probably need something
596 * smarter when 2G (semi automatic) scanning is implemented. */
597 if (!strcasecmp (scheme, "cable"))
600 if (!strcasecmp (scheme, "satellite"))
603 if (!strcasecmp (scheme, "terrestrial"))
606 if (!strcasecmp (scheme, "atsc"))
608 if (!strcasecmp (scheme, "cqam"))
610 if (!strcasecmp (scheme, "dvb-c"))
612 if (!strcasecmp (scheme, "dvb-s"))
614 if (!strcasecmp (scheme, "dvb-s2"))
616 if (!strcasecmp (scheme, "dvb-t"))
618 if (!strcasecmp (scheme, "dvb-t2"))
620 if (!strcasecmp (scheme, "isdb-s"))
622 if (!strcasecmp (scheme, "isdb-t"))
625 unsigned systems = dvb_enum_systems (dev);
637 /** Set parameters and tune the device */
638 static int Tune (vlc_object_t *obj, dvb_device_t *dev, const delsys_t *delsys,
641 if (delsys->setup (obj, dev, freq)
642 || dvb_set_inversion (dev, var_InheritInteger (obj, "dvb-inversion"))
648 static uint64_t var_InheritFrequency (vlc_object_t *obj)
650 uint64_t freq = var_InheritInteger (obj, "dvb-frequency");
651 if (freq != 0 && freq <= 108000000)
653 msg_Err (obj, "%"PRIu64" Hz carrier frequency is too low.", freq);
655 msg_Info (obj, "Assuming %"PRIu64" Hz frequency instead.", freq);
660 static uint32_t var_InheritCodeRate (vlc_object_t *obj, const char *varname)
662 char *code_rate = var_InheritString (obj, varname);
663 if (code_rate == NULL)
667 int v = sscanf (code_rate, "%"SCNu16"/%"SCNu16, &a, &b);
672 return VLC_FEC(a, b);
676 /* Backward compatibility with VLC < 1.2 (= Linux DVBv3 enum) */
679 msg_Warn (obj, "\"%s=%"PRIu16"\" option is obsolete. "
680 "Use \"%s=%"PRIu16"/%"PRIu16"\" instead.",
681 varname + 4, a, varname + 4, a, a + 1);
682 return VLC_FEC(a, a + 1);
685 msg_Warn (obj, "\"fec=9\" option is obsolete.");
690 static int modcmp (const void *a, const void *b)
692 return strcasecmp (a, *(const char *const *)b);
695 static const char *var_InheritModulation (vlc_object_t *obj, const char *var)
697 char *mod = var_InheritString (obj, var);
701 size_t n = sizeof (modulation_vlc) / sizeof (modulation_vlc[0]);
702 const char *const *p = lfind (mod, modulation_vlc, &n, sizeof (mod), modcmp);
709 /* Backward compatibility with VLC < 1.2 */
713 case -1: str = "QPSK"; break;
714 case 0: str = "QAM"; break;
715 case 8: str = "8VSB"; break;
716 case 16: str = "16QAM"; break;
717 case 32: str = "32QAM"; break;
718 case 64: str = "64QAM"; break;
719 case 128: str = "128QAM"; break;
720 case 256: str = "256QAM"; break;
724 msg_Warn (obj, "\"modulation=%s\" option is obsolete. "
725 "Use \"modulation=%s\" instead.", mod, str);
730 static unsigned var_InheritGuardInterval (vlc_object_t *obj)
732 char *guard = var_InheritString (obj, "dvb-guard");
734 return VLC_GUARD_AUTO;
737 int v = sscanf (guard, "%"SCNu16"/%"SCNu16, &a, &b);
742 /* Backward compatibility with VLC < 1.2 */
745 msg_Warn (obj, "\"guard=%"PRIu16"\" option is obsolete. "
746 "Use \"guard=1/%"PRIu16" instead.", a, a);
750 return VLC_GUARD(a, b);
752 return VLC_GUARD_AUTO;
757 static int atsc_setup (vlc_object_t *obj, dvb_device_t *dev, uint64_t freq)
759 const char *mod = var_InheritModulation (obj, "dvb-modulation");
761 return dvb_set_atsc (dev, freq, mod);
764 static const delsys_t atsc = { .setup = atsc_setup };
766 static int cqam_setup (vlc_object_t *obj, dvb_device_t *dev, uint64_t freq)
768 const char *mod = var_InheritModulation (obj, "dvb-modulation");
770 return dvb_set_cqam (dev, freq, mod);
773 static const delsys_t cqam = { .setup = cqam_setup };
777 static int dvbc_setup (vlc_object_t *obj, dvb_device_t *dev, uint64_t freq)
779 const char *mod = var_InheritModulation (obj, "dvb-modulation");
780 uint32_t fec = var_InheritCodeRate (obj, "dvb-fec");
781 unsigned srate = var_InheritInteger (obj, "dvb-srate");
783 return dvb_set_dvbc (dev, freq, mod, srate, fec);
786 static const delsys_t dvbc = { .setup = dvbc_setup };
790 static char var_InheritPolarization (vlc_object_t *obj)
793 char *polstr = var_InheritString (obj, "dvb-polarization");
798 if (unlikely(pol >= 'a' && pol <= 'z'))
803 /* Backward compatibility with VLC for Linux < 1.2 */
804 unsigned voltage = var_InheritInteger (obj, "dvb-voltage");
807 case 13: pol = 'V'; break;
808 case 18: pol = 'H'; break;
812 msg_Warn (obj, "\"voltage=%u\" option is obsolete. "
813 "Use \"polarization=%c\" instead.", voltage, pol);
817 static int sec_setup (vlc_object_t *obj, dvb_device_t *dev, uint64_t freq)
819 char pol = var_InheritPolarization (obj);
820 unsigned lowf = var_InheritInteger (obj, "dvb-lnb-low");
821 unsigned highf = var_InheritInteger (obj, "dvb-lnb-high");
822 unsigned switchf = var_InheritInteger (obj, "dvb-lnb-switch");
824 return dvb_set_sec (dev, freq, pol, lowf, highf, switchf);
827 static int dvbs_setup (vlc_object_t *obj, dvb_device_t *dev, uint64_t freq)
829 uint32_t fec = var_InheritCodeRate (obj, "dvb-fec");
830 uint32_t srate = var_InheritInteger (obj, "dvb-srate");
832 int ret = dvb_set_dvbs (dev, freq, srate, fec);
834 ret = sec_setup (obj, dev, freq);
838 static int dvbs2_setup (vlc_object_t *obj, dvb_device_t *dev, uint64_t freq)
840 const char *mod = var_InheritModulation (obj, "dvb-modulation");
841 uint32_t fec = var_InheritCodeRate (obj, "dvb-fec");
842 uint32_t srate = var_InheritInteger (obj, "dvb-srate");
843 int pilot = var_InheritInteger (obj, "dvb-pilot");
844 int rolloff = var_InheritInteger (obj, "dvb-rolloff");
846 int ret = dvb_set_dvbs2 (dev, freq, mod, srate, fec, pilot, rolloff);
848 ret = sec_setup (obj, dev, freq);
852 static const delsys_t dvbs = { .setup = dvbs_setup };
853 static const delsys_t dvbs2 = { .setup = dvbs2_setup };
857 static int dvbt_setup (vlc_object_t *obj, dvb_device_t *dev, uint64_t freq)
859 const char *mod = var_InheritModulation (obj, "dvb-modulation");
860 uint32_t fec_hp = var_InheritCodeRate (obj, "dvb-code-rate-hp");
861 uint32_t fec_lp = var_InheritCodeRate (obj, "dvb-code-rate-lp");
862 uint32_t guard = var_InheritGuardInterval (obj);
863 uint32_t bw = var_InheritInteger (obj, "dvb-bandwidth");
864 int tx = var_InheritInteger (obj, "dvb-transmission");
865 int h = var_InheritInteger (obj, "dvb-hierarchy");
867 return dvb_set_dvbt (dev, freq, mod, fec_hp, fec_lp, bw, tx, guard, h);
870 static int dvbt2_setup (vlc_object_t *obj, dvb_device_t *dev, uint64_t freq)
872 const char *mod = var_InheritModulation (obj, "dvb-modulation");
873 uint32_t fec = var_InheritCodeRate (obj, "dvb-fec");
874 uint32_t guard = var_InheritGuardInterval (obj);
875 uint32_t bw = var_InheritInteger (obj, "dvb-bandwidth");
876 int tx = var_InheritInteger (obj, "dvb-transmission");
878 return dvb_set_dvbt2 (dev, freq, mod, fec, bw, tx, guard);
881 static const delsys_t dvbt = { .setup = dvbt_setup };
882 static const delsys_t dvbt2 = { .setup = dvbt2_setup };
886 static int isdbs_setup (vlc_object_t *obj, dvb_device_t *dev, uint64_t freq)
888 uint16_t ts_id = var_InheritInteger (obj, "dvb-ts-id");
890 int ret = dvb_set_isdbs (dev, freq, ts_id);
892 ret = sec_setup (obj, dev, freq);
896 static const delsys_t isdbs = { .setup = isdbs_setup };
900 static int isdbt_setup (vlc_object_t *obj, dvb_device_t *dev, uint64_t freq)
902 isdbt_layer_t layers[3];
903 uint32_t guard = var_InheritGuardInterval (obj);
904 uint32_t bw = var_InheritInteger (obj, "dvb-bandwidth");
905 int tx = var_InheritInteger (obj, "dvb-transmission");
907 for (unsigned i = 0; i < 3; i++)
909 char varname[sizeof ("dvb-X-interleaving")];
910 memcpy (varname, "dvb-X-", 4);
911 varname[4] = 'a' + i;
913 strcpy (varname + 6, "modulation");
914 layers[i].modulation = var_InheritModulation (obj, varname);
915 strcpy (varname + 6, "fec");
916 layers[i].code_rate = var_InheritCodeRate (obj, varname);
917 strcpy (varname + 6, "count");
918 layers[i].segment_count = var_InheritInteger (obj, varname);
919 strcpy (varname + 6, "interleaving");
920 layers[i].time_interleaving = var_InheritInteger (obj, varname);
923 return dvb_set_isdbt (dev, freq, bw, tx, guard, layers);
926 static const delsys_t isdbt = { .setup = isdbt_setup };