vdr  2.6.1
dvbdevice.c
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1 /*
2  * dvbdevice.c: The DVB device tuner interface
3  *
4  * See the main source file 'vdr.c' for copyright information and
5  * how to reach the author.
6  *
7  * $Id: dvbdevice.c 5.1 2021/06/09 09:12:25 kls Exp $
8  */
9 
10 #include "dvbdevice.h"
11 #include <ctype.h>
12 #include <errno.h>
13 #include <limits.h>
14 #include <linux/dvb/dmx.h>
15 #include <linux/dvb/frontend.h>
16 #include <sys/ioctl.h>
17 #include <sys/mman.h>
18 #include "channels.h"
19 #include "diseqc.h"
20 #include "dvbci.h"
21 #include "menuitems.h"
22 #include "sourceparams.h"
23 
24 static int DvbApiVersion = 0x0000; // the version of the DVB driver actually in use (will be determined by the first device created)
25 
26 #define DVBS_TUNE_TIMEOUT 9000 //ms
27 #define DVBS_LOCK_TIMEOUT 2000 //ms
28 #define DVBC_TUNE_TIMEOUT 9000 //ms
29 #define DVBC_LOCK_TIMEOUT 2000 //ms
30 #define DVBT_TUNE_TIMEOUT 9000 //ms
31 #define DVBT_LOCK_TIMEOUT 2000 //ms
32 #define ATSC_TUNE_TIMEOUT 9000 //ms
33 #define ATSC_LOCK_TIMEOUT 2000 //ms
34 
35 #define SCR_RANDOM_TIMEOUT 500 // ms (add random value up to this when tuning SCR device to avoid lockups)
36 
37 #define TSBUFFERSIZE MEGABYTE(16)
38 
39 // --- DVB Parameter Maps ----------------------------------------------------
40 
42  { 0, PILOT_OFF, trNOOP("off") },
43  { 1, PILOT_ON, trNOOP("on") },
44  { 999, PILOT_AUTO, trNOOP("auto") },
45  { -1, 0, NULL }
46  };
47 
49  { 0, INVERSION_OFF, trNOOP("off") },
50  { 1, INVERSION_ON, trNOOP("on") },
51  { 999, INVERSION_AUTO, trNOOP("auto") },
52  { -1, 0, NULL }
53  };
54 
56  { 5, 5000000, "5 MHz" },
57  { 6, 6000000, "6 MHz" },
58  { 7, 7000000, "7 MHz" },
59  { 8, 8000000, "8 MHz" },
60  { 10, 10000000, "10 MHz" },
61  { 1712, 1712000, "1.712 MHz" },
62  { -1, 0, NULL }
63  };
64 
66  { 0, FEC_NONE, trNOOP("none") },
67  { 12, FEC_1_2, "1/2" },
68  { 23, FEC_2_3, "2/3" },
69  { 34, FEC_3_4, "3/4" },
70  { 35, FEC_3_5, "3/5" },
71  { 45, FEC_4_5, "4/5" },
72  { 56, FEC_5_6, "5/6" },
73  { 67, FEC_6_7, "6/7" },
74  { 78, FEC_7_8, "7/8" },
75  { 89, FEC_8_9, "8/9" },
76  { 910, FEC_9_10, "9/10" },
77  { 999, FEC_AUTO, trNOOP("auto") },
78  { -1, 0, NULL }
79  };
80 
82  { 16, QAM_16, "QAM16" },
83  { 32, QAM_32, "QAM32" },
84  { 64, QAM_64, "QAM64" },
85  { 128, QAM_128, "QAM128" },
86  { 256, QAM_256, "QAM256" },
87  { 2, QPSK, "QPSK" },
88  { 5, PSK_8, "8PSK" },
89  { 6, APSK_16, "16APSK" },
90  { 7, APSK_32, "32APSK" },
91  { 10, VSB_8, "VSB8" },
92  { 11, VSB_16, "VSB16" },
93  { 12, DQPSK, "DQPSK" },
94  { 999, QAM_AUTO, trNOOP("auto") },
95  { -1, 0, NULL }
96  };
97 
98 #define DVB_SYSTEM_1 0 // see also nit.c
99 #define DVB_SYSTEM_2 1
100 
102  { 0, DVB_SYSTEM_1, "DVB-S" },
103  { 1, DVB_SYSTEM_2, "DVB-S2" },
104  { -1, 0, NULL }
105  };
106 
108  { 0, DVB_SYSTEM_1, "DVB-T" },
109  { 1, DVB_SYSTEM_2, "DVB-T2" },
110  { -1, 0, NULL }
111  };
112 
114  { 1, TRANSMISSION_MODE_1K, "1K" },
115  { 2, TRANSMISSION_MODE_2K, "2K" },
116  { 4, TRANSMISSION_MODE_4K, "4K" },
117  { 8, TRANSMISSION_MODE_8K, "8K" },
118  { 16, TRANSMISSION_MODE_16K, "16K" },
119  { 32, TRANSMISSION_MODE_32K, "32K" },
120  { 999, TRANSMISSION_MODE_AUTO, trNOOP("auto") },
121  { -1, 0, NULL }
122  };
123 
125  { 4, GUARD_INTERVAL_1_4, "1/4" },
126  { 8, GUARD_INTERVAL_1_8, "1/8" },
127  { 16, GUARD_INTERVAL_1_16, "1/16" },
128  { 32, GUARD_INTERVAL_1_32, "1/32" },
129  { 128, GUARD_INTERVAL_1_128, "1/128" },
130  { 19128, GUARD_INTERVAL_19_128, "19/128" },
131  { 19256, GUARD_INTERVAL_19_256, "19/256" },
132  { 999, GUARD_INTERVAL_AUTO, trNOOP("auto") },
133  { -1, 0, NULL }
134  };
135 
137  { 0, HIERARCHY_NONE, trNOOP("none") },
138  { 1, HIERARCHY_1, "1" },
139  { 2, HIERARCHY_2, "2" },
140  { 4, HIERARCHY_4, "4" },
141  { 999, HIERARCHY_AUTO, trNOOP("auto") },
142  { -1, 0, NULL }
143  };
144 
146  { 0, ROLLOFF_AUTO, trNOOP("auto") },
147  { 20, ROLLOFF_20, "0.20" },
148  { 25, ROLLOFF_25, "0.25" },
149  { 35, ROLLOFF_35, "0.35" },
150  { -1, 0, NULL }
151  };
152 
153 int UserIndex(int Value, const tDvbParameterMap *Map)
154 {
155  const tDvbParameterMap *map = Map;
156  while (map && map->userValue != -1) {
157  if (map->userValue == Value)
158  return map - Map;
159  map++;
160  }
161  return -1;
162 }
163 
164 int DriverIndex(int Value, const tDvbParameterMap *Map)
165 {
166  const tDvbParameterMap *map = Map;
167  while (map && map->userValue != -1) {
168  if (map->driverValue == Value)
169  return map - Map;
170  map++;
171  }
172  return -1;
173 }
174 
175 int MapToUser(int Value, const tDvbParameterMap *Map, const char **String)
176 {
177  int n = DriverIndex(Value, Map);
178  if (n >= 0) {
179  if (String)
180  *String = tr(Map[n].userString);
181  return Map[n].userValue;
182  }
183  return -1;
184 }
185 
186 const char *MapToUserString(int Value, const tDvbParameterMap *Map)
187 {
188  int n = DriverIndex(Value, Map);
189  if (n >= 0)
190  return Map[n].userString;
191  return "???";
192 }
193 
194 int MapToDriver(int Value, const tDvbParameterMap *Map)
195 {
196  int n = UserIndex(Value, Map);
197  if (n >= 0)
198  return Map[n].driverValue;
199  return -1;
200 }
201 
202 // --- cDvbTransponderParameters ---------------------------------------------
203 
205 {
206  Parse(Parameters);
207 }
208 
209 int cDvbTransponderParameters::PrintParameter(char *p, char Name, int Value) const
210 {
211  return Value >= 0 && Value != 999 ? sprintf(p, "%c%d", Name, Value) : 0;
212 }
213 
215 {
216 #define ST(s) if (strchr(s, Type) && (strchr(s, '0' + system + 1) || strchr(s, '*')))
217  char buffer[64];
218  char *q = buffer;
219  *q = 0;
220  ST(" S *") q += sprintf(q, "%c", polarization);
221  ST(" T*") q += PrintParameter(q, 'B', MapToUser(bandwidth, BandwidthValues));
222  ST(" CST*") q += PrintParameter(q, 'C', MapToUser(coderateH, CoderateValues));
223  ST(" T*") q += PrintParameter(q, 'D', MapToUser(coderateL, CoderateValues));
224  ST(" T*") q += PrintParameter(q, 'G', MapToUser(guard, GuardValues));
225  ST("ACST*") q += PrintParameter(q, 'I', MapToUser(inversion, InversionValues));
226  ST("ACST*") q += PrintParameter(q, 'M', MapToUser(modulation, ModulationValues));
227  ST(" S 2") q += PrintParameter(q, 'N', MapToUser(pilot, PilotValues));
228  ST(" S 2") q += PrintParameter(q, 'O', MapToUser(rollOff, RollOffValues));
229  ST(" ST2") q += PrintParameter(q, 'P', streamId);
230  ST(" T2") q += PrintParameter(q, 'Q', t2systemId);
231  ST(" ST*") q += PrintParameter(q, 'S', MapToUser(system, SystemValuesSat)); // we only need the numerical value, so Sat or Terr doesn't matter
233  ST(" T2") q += PrintParameter(q, 'X', sisoMiso);
234  ST(" T*") q += PrintParameter(q, 'Y', MapToUser(hierarchy, HierarchyValues));
235  return buffer;
236 }
237 
238 const char *cDvbTransponderParameters::ParseParameter(const char *s, int &Value, const tDvbParameterMap *Map)
239 {
240  if (*++s) {
241  char *p = NULL;
242  errno = 0;
243  int n = strtol(s, &p, 10);
244  if (!errno && p != s) {
245  Value = Map ? MapToDriver(n, Map) : n;
246  if (Value >= 0)
247  return p;
248  }
249  }
250  esyslog("ERROR: invalid value for parameter '%c'", *(s - 1));
251  return NULL;
252 }
253 
255 {
256  polarization = 0;
257  inversion = INVERSION_AUTO;
258  bandwidth = 8000000;
259  coderateH = FEC_AUTO;
260  coderateL = FEC_AUTO;
261  modulation = QPSK;
263  transmission = TRANSMISSION_MODE_AUTO;
264  guard = GUARD_INTERVAL_AUTO;
265  hierarchy = HIERARCHY_AUTO;
266  rollOff = ROLLOFF_AUTO;
267  streamId = 0;
268  t2systemId = 0;
269  sisoMiso = 0;
270  pilot = PILOT_AUTO;
271  while (s && *s) {
272  switch (toupper(*s)) {
273  case 'B': s = ParseParameter(s, bandwidth, BandwidthValues); break;
274  case 'C': s = ParseParameter(s, coderateH, CoderateValues); break;
275  case 'D': s = ParseParameter(s, coderateL, CoderateValues); break;
276  case 'G': s = ParseParameter(s, guard, GuardValues); break;
277  case 'H': polarization = 'H'; s++; break;
278  case 'I': s = ParseParameter(s, inversion, InversionValues); break;
279  case 'L': polarization = 'L'; s++; break;
280  case 'M': s = ParseParameter(s, modulation, ModulationValues); break;
281  case 'N': s = ParseParameter(s, pilot, PilotValues); break;
282  case 'O': s = ParseParameter(s, rollOff, RollOffValues); break;
283  case 'P': s = ParseParameter(s, streamId); break;
284  case 'Q': s = ParseParameter(s, t2systemId); break;
285  case 'R': polarization = 'R'; s++; break;
286  case 'S': s = ParseParameter(s, system, SystemValuesSat); break; // we only need the numerical value, so Sat or Terr doesn't matter
287  case 'T': s = ParseParameter(s, transmission, TransmissionValues); break;
288  case 'V': polarization = 'V'; s++; break;
289  case 'X': s = ParseParameter(s, sisoMiso); break;
290  case 'Y': s = ParseParameter(s, hierarchy, HierarchyValues); break;
291  default: esyslog("ERROR: unknown parameter key '%c'", *s);
292  return false;
293  }
294  }
295  return true;
296 }
297 
298 // --- cDvbFrontend ----------------------------------------------------------
299 
300 const char *DeliverySystemNames[] = {
301  "???",
302  "DVB-C",
303  "DVB-C",
304  "DVB-T",
305  "DSS",
306  "DVB-S",
307  "DVB-S2",
308  "DVB-H",
309  "ISDBT",
310  "ISDBS",
311  "ISDBC",
312  "ATSC",
313  "ATSCMH",
314  "DTMB",
315  "CMMB",
316  "DAB",
317  "DVB-T2",
318  "TURBO",
319  "DVB-C",
320  "DVB-C2",
321  NULL
322  };
323 
324 static const int DeliverySystemNamesMax = sizeof(DeliverySystemNames) / sizeof(DeliverySystemNames[0]) - 2; // -1 to get the maximum allowed index & -1 for the NULL => -2
325 
326 static const char *GetDeliverySystemName(int Index)
327 {
328  if (Index > DeliverySystemNamesMax)
329  Index = 0;
330  return DeliverySystemNames[Index];
331 };
332 
333 #define MAXFRONTENDCMDS 16
334 #define SETCMD(c, d) { Props[CmdSeq.num].cmd = (c);\
335  Props[CmdSeq.num].u.data = (d);\
336  if (CmdSeq.num++ > MAXFRONTENDCMDS) {\
337  esyslog("ERROR: too many tuning commands on frontend %d/%d", adapter, frontend);\
338  return false;\
339  }\
340  }
341 
343 private:
346  uint32_t subsystemId;
347  dvb_frontend_info frontendInfo;
350  bool QueryDeliverySystems(void);
351 public:
352  cDvbFrontend(int Adapter, int Frontend);
353  ~cDvbFrontend();
354  int Open(void);
355  void Close(void);
356  const char *FrontendName(void) { return frontendInfo.name; }
357  bool ProvidesDeliverySystem(int DeliverySystem) const;
358  bool ProvidesModulation(int System, int StreamId, int Modulation) const;
359  int NumDeliverySystems(void) const { return deliverySystems.Size(); }
360  int NumModulations(void) const { return numModulations; }
361  uint32_t SubsystemId(void) const { return subsystemId; }
362  };
363 
364 cDvbFrontend::cDvbFrontend(int Adapter, int Frontend)
365 {
366  adapter = Adapter;
367  frontend = Frontend;
368  fd_frontend = -1;
370  memset(&frontendInfo, 0, sizeof(frontendInfo));
371  strn0cpy(frontendInfo.name, "???", sizeof(frontendInfo.name));
372  numModulations = 0;
373  Open();
375  Close();
376 }
377 
379 {
380  Close();
381 }
382 
384 {
385  Close();
386  fd_frontend = DvbOpen(DEV_DVB_FRONTEND, adapter, frontend, O_RDWR | O_NONBLOCK, true);
387  return fd_frontend;
388 }
389 
391 {
392  if (fd_frontend >= 0) {
393  if (close(fd_frontend) != 0)
394  esyslog("ERROR: frontend %d/%d", adapter, frontend);
395  fd_frontend = -1;
396  }
397 }
398 
399 bool cDvbFrontend::ProvidesDeliverySystem(int DeliverySystem) const
400 {
401  for (int i = 0; i < deliverySystems.Size(); i++) {
402  if (deliverySystems[i] == DeliverySystem)
403  return true;
404  }
405  return false;
406 }
407 
408 bool cDvbFrontend::ProvidesModulation(int System, int StreamId, int Modulation) const
409 {
410  if (StreamId != 0 && !(frontendInfo.caps & FE_CAN_MULTISTREAM))
411  return false;
412  if (Modulation == QPSK && !(frontendInfo.caps & FE_CAN_QPSK) ||
413  Modulation == QAM_16 && !(frontendInfo.caps & FE_CAN_QAM_16) ||
414  Modulation == QAM_32 && !(frontendInfo.caps & FE_CAN_QAM_32) ||
415  Modulation == QAM_64 && !(frontendInfo.caps & FE_CAN_QAM_64) ||
416  Modulation == QAM_128 && !(frontendInfo.caps & FE_CAN_QAM_128) ||
417  Modulation == QAM_256 && !(frontendInfo.caps & FE_CAN_QAM_256) ||
418  Modulation == QAM_AUTO && !(frontendInfo.caps & FE_CAN_QAM_AUTO) ||
419  Modulation == VSB_8 && !(frontendInfo.caps & FE_CAN_8VSB) ||
420  Modulation == VSB_16 && !(frontendInfo.caps & FE_CAN_16VSB) ||
421  Modulation == PSK_8 && !(frontendInfo.caps & FE_CAN_TURBO_FEC) && System == SYS_DVBS) // "turbo fec" is a non standard FEC used by North American broadcasters - this is a best guess to de
422  return false;
423  return true;
424 }
425 
427 {
429  numModulations = 0;
430  if (ioctl(fd_frontend, FE_GET_INFO, &frontendInfo) < 0) {
431  LOG_ERROR;
432  return false;
433  }
434  dtv_property Props[1];
435  dtv_properties CmdSeq;
436  // Determine the version of the running DVB API:
437  if (!DvbApiVersion) {
438  memset(&Props, 0, sizeof(Props));
439  memset(&CmdSeq, 0, sizeof(CmdSeq));
440  CmdSeq.props = Props;
441  SETCMD(DTV_API_VERSION, 0);
442  if (ioctl(fd_frontend, FE_GET_PROPERTY, &CmdSeq) != 0) {
443  LOG_ERROR;
444  return false;
445  }
446  DvbApiVersion = Props[0].u.data;
447  isyslog("DVB API version is 0x%04X (VDR was built with 0x%04X)", DvbApiVersion, DVBAPIVERSION);
448  }
449  // Determine the types of delivery systems this device provides:
450  bool LegacyMode = true;
451  if (DvbApiVersion >= 0x0505) {
452  memset(&Props, 0, sizeof(Props));
453  memset(&CmdSeq, 0, sizeof(CmdSeq));
454  CmdSeq.props = Props;
456  int Result = ioctl(fd_frontend, FE_GET_PROPERTY, &CmdSeq);
457  if (Result == 0) {
458  for (uint i = 0; i < Props[0].u.buffer.len; i++) {
459  // activate this line to simulate a multi-frontend device if you only have a single-frontend device with DVB-S and DVB-S2:
460  //if (frontend == 0 && Props[0].u.buffer.data[i] != SYS_DVBS || frontend == 1 && Props[0].u.buffer.data[i] != SYS_DVBS2)
461  deliverySystems.Append(Props[0].u.buffer.data[i]);
462  }
463  LegacyMode = false;
464  }
465  else {
466  esyslog("ERROR: can't query delivery systems on frontend %d/%d - falling back to legacy mode", adapter, frontend);
467  }
468  }
469  if (LegacyMode) {
470  // Legacy mode (DVB-API < 5.5):
471  switch (frontendInfo.type) {
472  case FE_QPSK: deliverySystems.Append(SYS_DVBS);
474  deliverySystems.Append(SYS_DVBS2);
475  break;
476  case FE_OFDM: deliverySystems.Append(SYS_DVBT);
479  break;
480  case FE_QAM: deliverySystems.Append(SYS_DVBC_ANNEX_AC); break;
481  case FE_ATSC: deliverySystems.Append(SYS_ATSC); break;
482  default: esyslog("ERROR: unknown frontend type %d on frontend %d/%d", frontendInfo.type, adapter, frontend);
483  }
484  }
485  if (deliverySystems.Size() > 0) {
486  cString ds("");
487  for (int i = 0; i < deliverySystems.Size(); i++)
488  ds = cString::sprintf("%s%s%s", *ds, i ? "," : "", GetDeliverySystemName(deliverySystems[i]));
489  cString ms("");
490  if (frontendInfo.caps & FE_CAN_QPSK) { numModulations++; ms = cString::sprintf("%s%s%s", *ms, **ms ? "," : "", MapToUserString(QPSK, ModulationValues)); }
491  if (frontendInfo.caps & FE_CAN_QAM_16) { numModulations++; ms = cString::sprintf("%s%s%s", *ms, **ms ? "," : "", MapToUserString(QAM_16, ModulationValues)); }
492  if (frontendInfo.caps & FE_CAN_QAM_32) { numModulations++; ms = cString::sprintf("%s%s%s", *ms, **ms ? "," : "", MapToUserString(QAM_32, ModulationValues)); }
493  if (frontendInfo.caps & FE_CAN_QAM_64) { numModulations++; ms = cString::sprintf("%s%s%s", *ms, **ms ? "," : "", MapToUserString(QAM_64, ModulationValues)); }
494  if (frontendInfo.caps & FE_CAN_QAM_128) { numModulations++; ms = cString::sprintf("%s%s%s", *ms, **ms ? "," : "", MapToUserString(QAM_128, ModulationValues)); }
495  if (frontendInfo.caps & FE_CAN_QAM_256) { numModulations++; ms = cString::sprintf("%s%s%s", *ms, **ms ? "," : "", MapToUserString(QAM_256, ModulationValues)); }
496  if (frontendInfo.caps & FE_CAN_8VSB) { numModulations++; ms = cString::sprintf("%s%s%s", *ms, **ms ? "," : "", MapToUserString(VSB_8, ModulationValues)); }
497  if (frontendInfo.caps & FE_CAN_16VSB) { numModulations++; ms = cString::sprintf("%s%s%s", *ms, **ms ? "," : "", MapToUserString(VSB_16, ModulationValues)); }
498  if (frontendInfo.caps & FE_CAN_TURBO_FEC) { numModulations++; ms = cString::sprintf("%s%s%s", *ms, **ms ? "," : "", "TURBO_FEC"); }
499  if (!**ms)
500  ms = "unknown modulations";
501  isyslog("frontend %d/%d provides %s with %s (\"%s\")", adapter, frontend, *ds, *ms, frontendInfo.name);
502  return true;
503  }
504  else
505  esyslog("ERROR: frontend %d/%d doesn't provide any delivery systems", adapter, frontend);
506  return false;
507 }
508 
509 // --- cDvbTuner -------------------------------------------------------------
510 
511 #define TUNER_POLL_TIMEOUT 10 // ms
512 
513 static int GetRequiredDeliverySystem(const cChannel *Channel, const cDvbTransponderParameters *Dtp)
514 {
515  int ds = SYS_UNDEFINED;
516  if (Channel->IsAtsc())
517  ds = SYS_ATSC;
518  else if (Channel->IsCable())
519  ds = SYS_DVBC_ANNEX_AC;
520  else if (Channel->IsSat())
521  ds = Dtp->System() == DVB_SYSTEM_1 ? SYS_DVBS : SYS_DVBS2;
522  else if (Channel->IsTerr())
523  ds = Dtp->System() == DVB_SYSTEM_1 ? SYS_DVBT : SYS_DVBT2;
524  else
525  esyslog("ERROR: can't determine frontend type for channel %d (%s)", Channel->Number(), Channel->Name());
526  return ds;
527 }
528 
529 class cDvbTuner : public cThread {
530 private:
535  mutable int fd_frontend;
536  int adapter;
537  mutable int frontend;
545  mutable uint32_t lastUncValue;
546  mutable uint32_t lastUncDelta;
547  mutable time_t lastUncChange;
553  const cScr *scr;
556  mutable cMutex mutex;
561  cString GetBondingParams(const cChannel *Channel = NULL) const;
562  cDvbTuner *GetBondedMaster(void);
563  bool IsBondedMaster(void) const { return !bondedTuner || bondedMaster; }
564  void ClearEventQueue(void) const;
565  bool GetFrontendStatus(fe_status_t &Status) const;
566  cPositioner *GetPositioner(void);
567  void ExecuteDiseqc(const cDiseqc *Diseqc, int *Frequency);
568  void ResetToneAndVoltage(void);
569  bool SetFrontend(void);
570  virtual void Action(void);
571 public:
572  cDvbTuner(const cDvbDevice *Device, int Adapter, int Frontend);
573  virtual ~cDvbTuner();
574  bool ProvidesDeliverySystem(int DeliverySystem) const;
575  bool ProvidesModulation(int System, int StreamId, int Modulation) const;
576  bool ProvidesFrontend(const cChannel *Channel, bool Activate = false) const;
577  int Frontend(void) const { return frontend; }
578  int FrontendType(void) const { return frontendType; }
579  const char *FrontendName(void) { return dvbFrontend->FrontendName(); }
581  bool Bond(cDvbTuner *Tuner);
582  void UnBond(void);
583  bool BondingOk(const cChannel *Channel, bool ConsiderOccupied = false) const;
584  const cChannel *GetTransponder(void) const { return &channel; }
585  uint32_t SubsystemId(void) const { return dvbFrontend->SubsystemId(); }
586  bool IsTunedTo(const cChannel *Channel) const;
587  void SetChannel(const cChannel *Channel);
588  bool Locked(int TimeoutMs = 0);
589  const cPositioner *Positioner(void) const { return positioner; }
590  bool GetSignalStats(int &Valid, double *Strength = NULL, double *Cnr = NULL, double *BerPre = NULL, double *BerPost = NULL, double *Per = NULL, int *Status = NULL) const;
591  int GetSignalStrength(void) const;
592  int GetSignalQuality(void) const;
593  };
594 
596 
597 cDvbTuner::cDvbTuner(const cDvbDevice *Device, int Adapter, int Frontend)
598 {
599  frontendType = SYS_UNDEFINED;
600  device = Device;
601  fd_frontend = -1;
602  adapter = Adapter;
603  frontend = Frontend;
604  dvbFrontend = NULL;
605  tuneTimeout = 0;
606  lockTimeout = 0;
607  lastTimeoutReport = 0;
608  lastUncValue = 0;
609  lastUncDelta = 0;
610  lastUncChange = 0;
611  lastDiseqc = NULL;
612  diseqcOffset = 0;
613  lastSource = 0;
614  positioner = NULL;
615  scr = NULL;
616  lnbPowerTurnedOn = false;
618  bondedTuner = NULL;
619  bondedMaster = false;
621  dvbFrontends.Append(fe);
624  cString FrontendNumbers = cString::sprintf("%d", frontend);
625  // Check for multiple frontends:
626  if (frontend == 0) {
627  for (int i = 1; ; i++) {
628  if (access(DvbName(DEV_DVB_FRONTEND, adapter, i), F_OK) == 0) {
629  if (access(DvbName(DEV_DVB_DEMUX, adapter, i), F_OK) != 0) {
630  fe = new cDvbFrontend(adapter, i);
631  dvbFrontends.Append(fe);
633  //numModulations += fe->NumModulations(); // looks like in multi frontend devices all frontends report the same modulations
634  FrontendNumbers = cString::sprintf("%s+%d", *FrontendNumbers, i);
635  }
636  }
637  else
638  break;
639  }
640  }
641  // Open default frontend:
644  SetDescription("frontend %d/%s tuner", adapter, *FrontendNumbers);
645  Start();
646 }
647 
649 {
651  newSet.Broadcast();
652  locked.Broadcast();
653  Cancel(3);
654  UnBond();
655  /* looks like this irritates the SCR switch, so let's leave it out for now
656  if (lastDiseqc && lastDiseqc->IsScr()) {
657  unsigned int Frequency = 0;
658  ExecuteDiseqc(lastDiseqc, &Frequency);
659  }
660  */
661  for (int i = 0; i < dvbFrontends.Size(); i++)
662  delete dvbFrontends[i];
663 }
664 
665 bool cDvbTuner::ProvidesDeliverySystem(int DeliverySystem) const
666 {
667  for (int i = 0; i < dvbFrontends.Size(); i++) {
668  if (dvbFrontends[i]->ProvidesDeliverySystem(DeliverySystem))
669  return true;
670  }
671  return false;
672 }
673 
674 bool cDvbTuner::ProvidesModulation(int System, int StreamId, int Modulation) const
675 {
676  for (int i = 0; i < dvbFrontends.Size(); i++) {
677  if (dvbFrontends[i]->ProvidesModulation(System, StreamId, Modulation))
678  return true;
679  }
680  return false;
681 }
682 
683 bool cDvbTuner::ProvidesFrontend(const cChannel *Channel, bool Activate) const
684 {
685  cDvbTransponderParameters dtp(Channel->Parameters());
686  int DeliverySystem = GetRequiredDeliverySystem(Channel, &dtp);
687  for (int i = 0; i < dvbFrontends.Size(); i++) {
688  if (dvbFrontends[i]->ProvidesDeliverySystem(DeliverySystem) && dvbFrontends[i]->ProvidesModulation(dtp.System(), dtp.StreamId(), dtp.Modulation())) {
689  if (Activate && dvbFrontend != dvbFrontends[i]) {
690  cMutexLock MutexLock(&mutex);
691  dvbFrontend->Close();
694  frontend = i;
695  dsyslog("using frontend %d/%d", adapter, frontend);
696  lastUncValue = 0;
697  lastUncDelta = 0;
698  lastUncChange = 0;
699  }
700  return true;
701  }
702  }
703  return false;
704 }
705 
707 {
708  cMutexLock MutexLock(&bondMutex);
709  if (!bondedTuner) {
711  bondedMaster = false; // makes sure we don't disturb an existing master
712  bondedTuner = Tuner->bondedTuner ? Tuner->bondedTuner : Tuner;
713  Tuner->bondedTuner = this;
714  dsyslog("tuner %d/%d bonded with tuner %d/%d", adapter, frontend, bondedTuner->adapter, bondedTuner->frontend);
715  return true;
716  }
717  else
718  esyslog("ERROR: tuner %d/%d already bonded with tuner %d/%d, can't bond with tuner %d/%d", adapter, frontend, bondedTuner->adapter, bondedTuner->frontend, Tuner->adapter, Tuner->frontend);
719  return false;
720 }
721 
723 {
724  cMutexLock MutexLock(&bondMutex);
725  if (cDvbTuner *t = bondedTuner) {
726  dsyslog("tuner %d/%d unbonded from tuner %d/%d", adapter, frontend, bondedTuner->adapter, bondedTuner->frontend);
727  while (t->bondedTuner != this)
728  t = t->bondedTuner;
729  if (t == bondedTuner)
730  t->bondedTuner = NULL;
731  else
732  t->bondedTuner = bondedTuner;
733  bondedMaster = false; // another one will automatically become master whenever necessary
734  bondedTuner = NULL;
735  }
736 }
737 
739 {
740  if (!Channel)
741  Channel = &channel;
742  cDvbTransponderParameters dtp(Channel->Parameters());
743  if (Setup.DiSEqC) {
744  if (const cDiseqc *diseqc = Diseqcs.Get(device->DeviceNumber() + 1, Channel->Source(), Channel->Frequency(), dtp.Polarization(), NULL))
745  return diseqc->Commands();
746  }
747  else {
748  bool ToneOff = Channel->Frequency() < Setup.LnbSLOF;
749  bool VoltOff = dtp.Polarization() == 'V' || dtp.Polarization() == 'R';
750  return cString::sprintf("%c %c", ToneOff ? 't' : 'T', VoltOff ? 'v' : 'V');
751  }
752  return "";
753 }
754 
755 bool cDvbTuner::BondingOk(const cChannel *Channel, bool ConsiderOccupied) const
756 {
757  cMutexLock MutexLock(&bondMutex);
758  if (cDvbTuner *t = bondedTuner) {
759  cString BondingParams = GetBondingParams(Channel);
760  do {
761  if (t->device->Priority() > IDLEPRIORITY || ConsiderOccupied && t->device->Occupied()) {
762  if (strcmp(BondingParams, t->GetBondedMaster()->GetBondingParams()) != 0)
763  return false;
764  }
765  t = t->bondedTuner;
766  } while (t != bondedTuner);
767  }
768  return true;
769 }
770 
772 {
773  if (!bondedTuner)
774  return this; // an unbonded tuner is always "master"
775  cMutexLock MutexLock(&bondMutex);
776  if (bondedMaster)
777  return this;
778  // This tuner is bonded, but it's not the master, so let's see if there is a master at all:
779  if (cDvbTuner *t = bondedTuner) {
780  while (t != this) {
781  if (t->bondedMaster)
782  return t;
783  t = t->bondedTuner;
784  }
785  }
786  // None of the other bonded tuners is master, so make this one the master:
787  bondedMaster = true;
788  dsyslog("tuner %d/%d is now bonded master", adapter, frontend);
789  return this;
790 }
791 
792 bool cDvbTuner::IsTunedTo(const cChannel *Channel) const
793 {
794  if (tunerStatus == tsIdle)
795  return false; // not tuned to
796  if (channel.Source() != Channel->Source() || channel.Transponder() != Channel->Transponder() || channel.Srate() != Channel->Srate())
797  return false; // sufficient mismatch
798  // Polarization is already checked as part of the Transponder.
799  return strcmp(channel.Parameters(), Channel->Parameters()) == 0;
800 }
801 
802 void cDvbTuner::SetChannel(const cChannel *Channel)
803 {
804  if (Channel) {
805  if (bondedTuner) {
806  cMutexLock MutexLock(&bondMutex);
807  cDvbTuner *BondedMaster = GetBondedMaster();
808  if (BondedMaster == this) {
809  if (strcmp(GetBondingParams(Channel), GetBondingParams()) != 0) {
810  // switching to a completely different band, so set all others to idle:
811  for (cDvbTuner *t = bondedTuner; t && t != this; t = t->bondedTuner)
812  t->SetChannel(NULL);
813  }
814  }
815  else if (strcmp(GetBondingParams(Channel), BondedMaster->GetBondingParams()) != 0)
816  BondedMaster->SetChannel(Channel);
817  }
818  cMutexLock MutexLock(&mutex);
819  if (!IsTunedTo(Channel))
820  tunerStatus = tsSet;
821  diseqcOffset = 0;
822  channel = *Channel;
823  lastTimeoutReport = 0;
824  newSet.Broadcast();
825  }
826  else {
827  cMutexLock MutexLock(&mutex);
830  }
832  cDevice::PrimaryDevice()->DelLivePids(); // 'device' is const, so we must do it this way
833 }
834 
835 bool cDvbTuner::Locked(int TimeoutMs)
836 {
837  bool isLocked = (tunerStatus >= tsLocked);
838  if (isLocked || !TimeoutMs)
839  return isLocked;
840 
841  cMutexLock MutexLock(&mutex);
842  if (TimeoutMs && tunerStatus < tsLocked)
843  locked.TimedWait(mutex, TimeoutMs);
844  return tunerStatus >= tsLocked;
845 }
846 
848 {
849  cPoller Poller(fd_frontend);
850  if (Poller.Poll(TUNER_POLL_TIMEOUT)) {
851  dvb_frontend_event Event;
852  while (ioctl(fd_frontend, FE_GET_EVENT, &Event) == 0)
853  ; // just to clear the event queue - we'll read the actual status below
854  }
855 }
856 
857 bool cDvbTuner::GetFrontendStatus(fe_status_t &Status) const
858 {
859  ClearEventQueue();
860  Status = (fe_status_t)0; // initialize here to fix buggy drivers
861  while (1) {
862  if (ioctl(fd_frontend, FE_READ_STATUS, &Status) != -1)
863  return true;
864  if (errno != EINTR)
865  break;
866  }
867  return false;
868 }
869 
870 //#define DEBUG_SIGNALSTATS
871 //#define DEBUG_SIGNALSTRENGTH
872 //#define DEBUG_SIGNALQUALITY
873 
874 bool cDvbTuner::GetSignalStats(int &Valid, double *Strength, double *Cnr, double *BerPre, double *BerPost, double *Per, int *Status) const
875 {
876  ClearEventQueue();
877  fe_status_t FeStatus = (fe_status_t)0; // initialize here to fix buggy drivers
878  dtv_property Props[MAXFRONTENDCMDS];
879  dtv_properties CmdSeq;
880  memset(&Props, 0, sizeof(Props));
881  memset(&CmdSeq, 0, sizeof(CmdSeq));
882  CmdSeq.props = Props;
883  Valid = DTV_STAT_VALID_NONE;
884  if (ioctl(fd_frontend, FE_READ_STATUS, &FeStatus) != 0) {
885  esyslog("ERROR: frontend %d/%d: %m (%s:%d)", adapter, frontend, __FILE__, __LINE__);
886  return false;
887  }
888  if (Status) {
889  *Status = DTV_STAT_HAS_NONE;
890  if (FeStatus & FE_HAS_SIGNAL) *Status |= DTV_STAT_HAS_SIGNAL;
891  if (FeStatus & FE_HAS_CARRIER) *Status |= DTV_STAT_HAS_CARRIER;
892  if (FeStatus & FE_HAS_VITERBI) *Status |= DTV_STAT_HAS_VITERBI;
893  if (FeStatus & FE_HAS_SYNC) *Status |= DTV_STAT_HAS_SYNC;
894  if (FeStatus & FE_HAS_LOCK) *Status |= DTV_STAT_HAS_LOCK;
895  Valid |= DTV_STAT_VALID_STATUS;
896  }
897  if (Strength) SETCMD(DTV_STAT_SIGNAL_STRENGTH, 0);
898  if (Cnr) SETCMD(DTV_STAT_CNR, 0);
899  if (BerPre) { SETCMD(DTV_STAT_PRE_ERROR_BIT_COUNT, 0);
900  SETCMD(DTV_STAT_PRE_TOTAL_BIT_COUNT, 0); }
901  if (BerPost) { SETCMD(DTV_STAT_POST_ERROR_BIT_COUNT, 0);
902  SETCMD(DTV_STAT_POST_TOTAL_BIT_COUNT, 0); }
903  if (Per) { SETCMD(DTV_STAT_ERROR_BLOCK_COUNT, 0);
904  SETCMD(DTV_STAT_TOTAL_BLOCK_COUNT, 0); }
905  if (CmdSeq.num && ioctl(fd_frontend, FE_GET_PROPERTY, &CmdSeq) != 0) {
906  esyslog("ERROR: frontend %d/%d: %m (%s:%d)", adapter, frontend, __FILE__, __LINE__);
907  return false;
908  }
909  int i = 0;
910  if (Strength) {
911  if (Props[i].u.st.len > 0) {
912  switch (Props[i].u.st.stat[0].scale) {
913  case FE_SCALE_DECIBEL: *Strength = double(Props[i].u.st.stat[0].svalue) / 1000;
914  Valid |= DTV_STAT_VALID_STRENGTH;
915  break;
916  default: ;
917  }
918  }
919  i++;
920  }
921  if (Cnr) {
922  if (Props[i].u.st.len > 0) {
923  switch (Props[i].u.st.stat[0].scale) {
924  case FE_SCALE_DECIBEL: *Cnr = double(Props[i].u.st.stat[0].svalue) / 1000;
925  Valid |= DTV_STAT_VALID_CNR;
926  break;
927  default: ;
928  }
929  }
930  i++;
931  }
932  if (BerPre) {
933  if (Props[i].u.st.len > 0 && Props[i + 1].u.st.len > 0) {
934  if (Props[i].u.st.stat[0].scale == FE_SCALE_COUNTER && Props[i + 1].u.st.stat[0].scale == FE_SCALE_COUNTER) {
935  uint64_t ebc = Props[i].u.st.stat[0].uvalue; // error bit count
936  uint64_t tbc = Props[i + 1].u.st.stat[0].uvalue; // total bit count
937  if (tbc > 0) {
938  *BerPre = double(ebc) / tbc;
939  Valid |= DTV_STAT_VALID_BERPRE;
940  }
941  }
942  }
943  i += 2;
944  }
945  if (BerPost) {
946  if (Props[i].u.st.len > 0 && Props[i + 1].u.st.len > 0) {
947  if (Props[i].u.st.stat[0].scale == FE_SCALE_COUNTER && Props[i + 1].u.st.stat[0].scale == FE_SCALE_COUNTER) {
948  uint64_t ebc = Props[i].u.st.stat[0].uvalue; // error bit count
949  uint64_t tbc = Props[i + 1].u.st.stat[0].uvalue; // total bit count
950  if (tbc > 0) {
951  *BerPost = double(ebc) / tbc;
952  Valid |= DTV_STAT_VALID_BERPOST;
953  }
954  }
955  }
956  i += 2;
957  }
958  if (Per) {
959  if (Props[i].u.st.len > 0 && Props[i + 1].u.st.len > 0) {
960  if (Props[i].u.st.stat[0].scale == FE_SCALE_COUNTER && Props[i + 1].u.st.stat[0].scale == FE_SCALE_COUNTER) {
961  uint64_t ebc = Props[i].u.st.stat[0].uvalue; // error block count
962  uint64_t tbc = Props[i + 1].u.st.stat[0].uvalue; // total block count
963  if (tbc > 0) {
964  *Per = double(ebc) / tbc;
965  Valid |= DTV_STAT_VALID_PER;
966  }
967  }
968  }
969  i += 2;
970  }
971 #ifdef DEBUG_SIGNALSTATS
972  fprintf(stderr, "FE %d/%d: API5 %04X", adapter, frontend, Valid);
973  if ((Valid & DTV_STAT_VALID_STATUS) != 0) fprintf(stderr, " STAT=%04X", *Status);
974  if ((Valid & DTV_STAT_VALID_STRENGTH) != 0) fprintf(stderr, " STR=%1.1fdBm", *Strength);
975  if ((Valid & DTV_STAT_VALID_CNR) != 0) fprintf(stderr, " CNR=%1.1fdB", *Cnr);
976  if ((Valid & DTV_STAT_VALID_BERPRE) != 0) fprintf(stderr, " BERPRE=%1.1e", *BerPre);
977  if ((Valid & DTV_STAT_VALID_BERPOST) != 0) fprintf(stderr, " BERPOST=%1.1e", *BerPost);
978  if ((Valid & DTV_STAT_VALID_PER) != 0) fprintf(stderr, " PER=%1.1e", *Per);
979  fprintf(stderr, "\n");
980 #endif
981  return Valid != DTV_STAT_VALID_NONE;
982 }
983 
984 int dB1000toPercent(int dB1000, int Low, int High)
985 {
986  // Convert the given value, which is in 1/1000 dBm, to a percentage in the
987  // range 0..100. Anything below Low is considered 0%, and anything above
988  // High counts as 100%.
989  if (dB1000 < Low)
990  return 0;
991  if (dB1000 > High)
992  return 100;
993  // return 100 - 100 * (High - dB1000) / (High - Low); // linear conversion
994  // return 100 - 100 * sqr(dB1000 - High) / sqr(Low - High); // quadratic conversion, see https://www.adriangranados.com/blog/dbm-to-percent-conversion
995  double v = 10.0 * (dB1000 - High) / (Low - High); // avoids the sqr() function
996  return 100 - v * v;
997 }
998 
999 #define REF_S1(q1) (mod == QPSK) ? q1 : 0
1000 #define REF_S2(q1, q2, q3, q4) (mod == QPSK) ? q1 : (mod == PSK_8) ? q2 : (mod == APSK_16) ? q3 : (mod == APSK_32) ? q4 : 0
1001 #define REF_T1(q1, q2, q3) (mod == QPSK) ? q1 : (mod == QAM_16) ? q2 : (mod == QAM_64) ? q3 : 0
1002 #define REF_T2(q1, q2, q3, q4) (mod == QPSK) ? q1 : (mod == QAM_16) ? q2 : (mod == QAM_64) ? q3 : (mod == QAM_256) ? q4 : 0
1003 #define REF_C1(q1, q2, q3, q4, q5) (mod == QAM_16) ? q1 : (mod == QAM_32) ? q2 : (mod == QAM_64) ? q3 : (mod == QAM_128) ? q4 : (mod == QAM_256) ? q5: 0
1004 
1005 int StrengthToSSI(const cChannel *Channel, int Strength, int FeModulation, int FeCoderateH, int FeFec)
1006 {
1007  // Strength in 0.001dBm (dBm x 1000)
1008  cDvbTransponderParameters dtp(Channel->Parameters());
1009  int ssi = 0; // 0-100
1010  int mod = (FeModulation >= 0) ? FeModulation : dtp.Modulation();
1011  int cod = (FeCoderateH >= 0) ? FeCoderateH : dtp.CoderateH(); // DVB-T
1012  int fec = (FeFec >= 0) ? FeFec : dtp.CoderateH();
1013  if (Channel->IsTerr()) {
1014  int pref = 0;
1015  // NorDig Unified Ver. 2.6 - 3.4.4.6 Page 43 ff.
1016  // reference values : pref-15dBm = 0%, pref+35dBm = 100%
1017  if (dtp.System() == DVB_SYSTEM_1) { // DVB-T
1018  fec = cod; // adjustment for DVB-T
1019  if (mod == QAM_AUTO) mod = QPSK;
1020  switch (fec) { // dBm: Q4 Q16 Q64
1021  case FEC_1_2: pref = REF_T1(-93, -87, -82); break;
1022  default:
1023  case FEC_2_3: pref = REF_T1(-91, -85, -80); break;
1024  case FEC_3_4: pref = REF_T1(-90, -84, -78); break;
1025  case FEC_5_6: pref = REF_T1(-89, -83, -77); break;
1026  case FEC_7_8: pref = REF_T1(-88, -82, -76); break;
1027  }
1028  }
1029  else { // DVB-T2
1030  if (mod == QAM_AUTO) mod = QAM_64;
1031  switch (fec) { // dBm: Q4 Q16 Q64 Q256
1032  case FEC_1_2: pref = REF_T2(-96, -91, -86, -82); break;
1033  default:
1034  case FEC_3_5: pref = REF_T2(-95, -89, -85, -80); break;
1035  case FEC_2_3: pref = REF_T2(-94, -88, -83, -78); break;
1036  case FEC_3_4: pref = REF_T2(-93, -87, -82, -76); break;
1037  case FEC_4_5: pref = REF_T2(-92, -86, -81, -75); break;
1038  case FEC_5_6: pref = REF_T2(-92, -86, -80, -74); break;
1039  }
1040  }
1041  if (pref) {
1042  int prel = (Strength / 1000) - pref;
1043  ssi = (prel < -15) ? 0 :
1044  (prel < 0) ? (prel + 15) * 2 / 3 : // 0% - 10%
1045  (prel < 20) ? prel * 4 + 10 : // 10% - 90%
1046  (prel < 35) ? (prel - 20) * 2 / 3 + 90 : // 90% - 100%
1047  100;
1048 #ifdef DEBUG_SIGNALSTRENGTH
1049  fprintf(stderr, "SSI-T: STR:%d, Pref:%d, Prel:%d, ssi:%d%%(sys:%d, mod:%d, fec:%d)\n", Strength, pref, prel, ssi, dtp.System(), mod, fec);
1050 #endif
1051  }
1052  }
1053  else if (Channel->IsCable()) { // ! COMPLETELY UNTESTED !
1054  // Formula: pref(dB) = -174.0 + NoiseFigure + SymRef + CnRef
1055  // NoiseFigure = 6.5 dB; -> Tuner specific - range: 3.5 .. 9.0 dB
1056  // SymRef = 10*log(6900000) = 68.5 dB; -> for Symbolrate of 6900 kSym/sec (TV: 6900, 6750 or 6111 kSym/sec)
1057  // ==> pref(dB) = -174.0 + 6.5 + 68.5 + CnRef[modulation]{20,23,26,29,32}; (+/- 3 dB tuner specific)
1058  if (mod == QAM_AUTO) mod = QAM_256;
1059  // Q16 Q32 Q64 Q128 Q256
1060  int pref = REF_C1(-79, -76, -73, -70, -67);
1061  if (pref) {
1062  int prel = (Strength / 1000) - pref;
1063  ssi = (prel < -15) ? 0 :
1064  (prel < 0) ? (prel + 15) * 2 / 3 : // 0% - 10%
1065  (prel < 20) ? prel * 4 + 10 : // 10% - 90%
1066  (prel < 35) ? (prel - 20) * 2 / 3 + 90 : // 90% - 100%
1067  100;
1068 #ifdef DEBUG_SIGNALSTRENGTH
1069  fprintf(stderr, "SSI-C: STR:%d, Pref:%d, Prel:%d, ssi:%d%%(mod:%d)\n", Strength, pref, prel, ssi, mod);
1070 #endif
1071  }
1072  }
1073  else if (Channel->IsSat())
1074  ssi = dB1000toPercent(Strength, -95000, -20000); // defaults
1075  return ssi;
1076 }
1077 
1078 // Due to missing values or the different meanings of the reported error rate, ber_sqi is currently not taken into account
1079 #define IGNORE_BER 1
1080 #define BER_ERROR_FREE (1000*1000*1000) // 1/10^-9
1081 
1082 int SignalToSQI(const cChannel *Channel, int Signal, int Ber, int FeModulation, int FeCoderateH, int FeFec)
1083 {
1084 #if IGNORE_BER
1085  Ber = BER_ERROR_FREE; // assume/pretend to be biterror free
1086 #endif
1087  // Signal in 0.001dB (dB x 1000)
1088  cDvbTransponderParameters dtp(Channel->Parameters());
1089  int sqi = 0; // 0-100
1090  int mod = (FeModulation >= 0) ? FeModulation : dtp.Modulation();
1091  int cod = (FeCoderateH >= 0) ? FeCoderateH : dtp.CoderateH(); // DVB-T
1092  int fec = (FeFec >= 0) ? FeFec : dtp.CoderateH();
1093  if (Channel->IsTerr()) { // QEF: BER 10^-6
1094  int cnref = 0;
1095  // NorDig Unified Ver. 2.6 - 3.4.4.7 Page 45 ff.
1096  // reference values for QEF (BER 10^-11 at MPEG2 demux input)
1097  if (dtp.System() == DVB_SYSTEM_1) { // DVB-T
1098  fec = cod; // adjustment for DVB-T
1099  if (mod == QAM_AUTO) mod = QPSK;
1100  switch (fec) { // 0.1 dB Q4 Q16 Q64 (Hierarchy=None)
1101  case FEC_1_2: cnref = REF_T1(51, 108, 165); break;
1102  default:
1103  case FEC_2_3: cnref = REF_T1(69, 131, 187); break;
1104  case FEC_3_4: cnref = REF_T1(79, 146, 202); break;
1105  case FEC_5_6: cnref = REF_T1(89, 156, 216); break;
1106  case FEC_7_8: cnref = REF_T1(97, 160, 225); break;
1107  }
1108  }
1109  else { // DVB-T2
1110  if (mod == QAM_AUTO) mod = QAM_64;
1111  switch (fec) { // 0.1 dB Q4 Q16 Q64 Q256
1112  case FEC_1_2: cnref = REF_T2(35, 87, 130, 170); break;
1113  default:
1114  case FEC_3_5: cnref = REF_T2(47, 101, 148, 194); break;
1115  case FEC_2_3: cnref = REF_T2(56, 114, 162, 208); break;
1116  case FEC_3_4: cnref = REF_T2(66, 125, 177, 229); break;
1117  case FEC_4_5: cnref = REF_T2(72, 133, 187, 243); break;
1118  case FEC_5_6: cnref = REF_T2(77, 138, 194, 251); break;
1119  }
1120  }
1121  if (cnref) {
1122  int cnrel = (Signal/100) - cnref; // 0.1 dB
1123  int ber_sqi = 100; // 100%
1124  int cnr_sqi = 0; // 0%
1125  if (dtp.System() == DVB_SYSTEM_1) { // DVB-T
1126  ber_sqi = (Ber < 1000) ? 0 : // > 10^-3
1127  (Ber >= 10000000) ? 100 : // <= 10^-7
1128  (int)(20 * log10(Ber)) - 40; // 20*log10(1/BER)-40 -> 20% .. 100%
1129  // scale: -7dB/+3dB to reference-value
1130  cnr_sqi = (cnrel < -70) ? 0 :
1131  (cnrel < +30) ? (100 + (cnrel - 30)) :
1132  100;
1133  sqi = (cnr_sqi * ber_sqi) / 100;
1134  // alternative: stretched scale: cnref-7dB = 0%, 30dB = 100%
1135  // sqi = dB1000toPercent(Signal, (100*cnref)-7000, 30000);
1136  }
1137  else { // DVB-T2
1138  ber_sqi = (Ber < 10000) ? 0 : // > 10^-4
1139  (Ber >= 10000000) ? 100 * 100 / 6 : // <= 10^-7 : 16.67% -> SQI 0% .. 100%
1140  (100 * 100 / 15); // 6.67% -> SQI 0% .. 40% || 100%
1141  // scale: -3dB/+3dB to reference-value
1142  sqi = (cnrel < -30) ? 0 :
1143  (cnrel <= +30) ? (cnrel + 30) * ber_sqi / 1000 : // (0 .. 6) * 16,67 || 6.67
1144  100;
1145  // alternative: stretched scale: cnref-3dB = 0%, 32dB = 100%
1146  // sqi = dB1000toPercent(Signal, (100*cnref)-3000, 32000);
1147  }
1148 #ifdef DEBUG_SIGNALQUALITY
1149  fprintf(stderr, "SQI-T: SIG:%d, BER:%d, CNref:%d, CNrel:%d, bersqi:%d, sqi:%d%%(sys:%d, mod:%d, fec:%d)\n", Signal, Ber, cnref, cnrel, ber_sqi, sqi, dtp.System(), mod, fec);
1150 #endif
1151  }
1152  }
1153  else if (Channel->IsCable()) { // ! COMPLETELY UNTESTED !
1154  if (mod == QAM_AUTO) mod = QAM_256;
1155  // 0.1 dB Q16 Q32 Q64 Q128 Q256
1156  int cnref = REF_C1(200, 230, 260, 290, 320); // minimum for BER<10^-4
1157  if (cnref) {
1158  int cnrel = (Signal / 100) - cnref; // 0.1 dB
1159  int ber_sqi = (Ber < 1000) ? 0 : // > 10^-3
1160  (Ber >= 10000000) ? 100 : // <= 10^-7
1161  (int)(20 * log10(Ber)) - 40; // 20*log10(1/BER)-40 -> 20% .. 100%
1162  // scale: -7dB/+3dB to reference-value
1163  int cnr_sqi = (cnrel < -70) ? 0 :
1164  (cnrel < +30) ? (100 + (cnrel - 30)) :
1165  100;
1166  sqi = (cnr_sqi * ber_sqi) / 100;
1167  // alternative: stretched scale: cnref-7dB = 0%, 40dB = 100%
1168  // sqi = dB1000toPercent(Signal, (100*cnref)-7000, 40000);
1169 #ifdef DEBUG_SIGNALQUALITY
1170  dsyslog("SQI-C: SIG:%d, BER:%d, CNref:%d, CNrel:%d, bersqi:%d, sqi:%d%%(sys:%d, mod:%d, fec:%d)\n", Signal, Ber, cnref, cnrel, ber_sqi, sqi, dtp.System(), mod, fec);
1171 #endif
1172  }
1173  }
1174  else if (Channel->IsSat()) {
1175  int cnref = 0;
1176  if (dtp.System() == DVB_SYSTEM_1) { // DVB-S
1177  if (mod == QAM_AUTO) mod = QPSK;
1178  switch (fec) { // 0.1 dB: Q4 : 10^-7
1179  case FEC_1_2: cnref = REF_S1(38); break;
1180  default:
1181  case FEC_2_3: cnref = REF_S1(56); break;
1182  case FEC_3_4: cnref = REF_S1(67); break;
1183  case FEC_5_6: cnref = REF_S1(77); break;
1184  case FEC_7_8: cnref = REF_S1(84); break;
1185  }
1186  if (cnref) {
1187  //cnrel = (Signal/100) - cnref; // 0.1 dB
1188  // scale: cnref-4dB = 0%, 15dB = 100%
1189  sqi = dB1000toPercent(Signal, (100*cnref)-4000, 15000);
1190 #ifdef DEBUG_SIGNALQUALITY
1191  dsyslog("SQI-S1: SIG:%d, BER:%d, CNref:%d, sqi:%d%%(mod:%d, fec:%d)\n", Signal, Ber, cnref, sqi, mod, fec);
1192 #endif
1193  }
1194  }
1195  else { // DVB-S2
1196  if (mod == QAM_AUTO) mod = QAM_64;
1197  switch (fec) { // 0.1 dB Q4 Q8 16A* 32A*
1198  //case FEC_1_4: cnref = REF_S2(-14, 65, 90, 126); break;
1199  //case FEC_1_3: cnref = REF_S2( -2, 65, 90, 126); break;
1200  case FEC_2_5: cnref = REF_S2( 7, 65, 90, 126); break;
1201  case FEC_1_2: cnref = REF_S2( 20, 65, 90, 126); break;
1202  case FEC_3_5: cnref = REF_S2( 32, 65, 90, 126); break;
1203  default:
1204  case FEC_2_3: cnref = REF_S2( 41, 76, 90, 126); break;
1205  case FEC_3_4: cnref = REF_S2( 50, 66, 102, 126); break;
1206  case FEC_4_5: cnref = REF_S2( 57, 89, 110, 136); break;
1207  case FEC_5_6: cnref = REF_S2( 62, 104, 116, 143); break;
1208  case FEC_8_9: cnref = REF_S2( 72, 117, 129, 157); break;
1209  case FEC_9_10: cnref = REF_S2( 74, 120, 131, 161); break;
1210  }
1211  if (cnref) {
1212  // cnrel = (Signal/100) - cnref; // 0.1 dB
1213  // scale: cnref-4dB = 0%, 20dB = 100%
1214  sqi = dB1000toPercent(Signal, (100*cnref)-4000, 20000);
1215 #ifdef DEBUG_SIGNALQUALITY
1216  dsyslog("SQI-S2: SIG:%d, BER:%d, CNref:%d, sqi:%d%%(mod:%d, fec:%d)\n", Signal, Ber, cnref, sqi, mod, fec);
1217 #endif
1218  }
1219  }
1220  }
1221  return sqi;
1222 }
1223 
1225 {
1226  ClearEventQueue();
1227  // Try DVB API 5:
1228  for (int i = 0; i < 1; i++) { // just a trick to break out with 'continue' ;-)
1229  dtv_property Props[MAXFRONTENDCMDS];
1230  dtv_properties CmdSeq;
1231  memset(&Props, 0, sizeof(Props));
1232  memset(&CmdSeq, 0, sizeof(CmdSeq));
1233  CmdSeq.props = Props;
1234  SETCMD(DTV_STAT_SIGNAL_STRENGTH, 0);
1235  SETCMD(DTV_MODULATION, 0);
1236  SETCMD(DTV_CODE_RATE_HP, 0); // DVB-T only
1237  SETCMD(DTV_INNER_FEC, 0);
1238  if (ioctl(fd_frontend, FE_GET_PROPERTY, &CmdSeq) != 0) {
1239  esyslog("ERROR: frontend %d/%d: %m (%s:%d)", adapter, frontend, __FILE__, __LINE__);
1240  return -1;
1241  }
1242  int FeMod = (Props[1].u.st.len > 0) ? (int)Props[1].u.data : -1;
1243  int FeCod = (Props[2].u.st.len > 0) ? (int)Props[2].u.data : -1;
1244  int FeFec = (Props[3].u.st.len > 0) ? (int)Props[3].u.data : -1;
1245  int Signal = 0;
1246  if (Props[0].u.st.len > 0) {
1247  switch (Props[0].u.st.stat[0].scale) {
1248  case FE_SCALE_DECIBEL: Signal = StrengthToSSI(&channel, Props[0].u.st.stat[0].svalue, FeMod, FeCod, FeFec);
1249  break;
1250  case FE_SCALE_RELATIVE: Signal = 100 * Props[0].u.st.stat[0].uvalue / 0xFFFF;
1251  break;
1252  default: ;
1253  }
1254 #ifdef DEBUG_SIGNALSTRENGTH
1255  fprintf(stderr, "FE %d/%d: API5 %d %08X %.1f S = %d\n", adapter, frontend, Props[0].u.st.stat[0].scale, int(Props[0].u.st.stat[0].svalue), int(Props[0].u.st.stat[0].svalue) / 1000.0, Signal);
1256 #endif
1257  }
1258  else
1259  continue;
1260  return Signal;
1261  }
1262  // Fall back to DVB API 3:
1263  uint16_t Signal;
1264  while (1) {
1265  if (ioctl(fd_frontend, FE_READ_SIGNAL_STRENGTH, &Signal) != -1)
1266  break;
1267  if (errno != EINTR)
1268  return -1;
1269  }
1270  uint16_t MaxSignal = 0xFFFF; // Let's assume the default is using the entire range.
1271  // Use the subsystemId to identify individual devices in case they need
1272  // special treatment to map their Signal value into the range 0...0xFFFF.
1273  switch (dvbFrontend->SubsystemId()) {
1274  case 0x13C21019: // TT-budget S2-3200 (DVB-S/DVB-S2)
1275  case 0x1AE40001: // TechniSat SkyStar HD2 (DVB-S/DVB-S2)
1276  MaxSignal = 670; break;
1277  }
1278  int s = int(Signal) * 100 / MaxSignal;
1279  if (s > 100)
1280  s = 100;
1281 #ifdef DEBUG_SIGNALSTRENGTH
1282  fprintf(stderr, "FE %d/%d: API3 %08X S = %04X %04X %3d%%\n", adapter, frontend, dvbFrontend->SubsystemId(), MaxSignal, Signal, s);
1283 #endif
1284  return s;
1285 }
1286 
1287 #define LOCK_THRESHOLD 5 // indicates that all 5 FE_HAS_* flags are set
1288 
1290 {
1291  // Try DVB API 5:
1292  for (int i = 0; i < 1; i++) { // just a trick to break out with 'continue' ;-)
1293  dtv_property Props[MAXFRONTENDCMDS];
1294  dtv_properties CmdSeq;
1295  memset(&Props, 0, sizeof(Props));
1296  memset(&CmdSeq, 0, sizeof(CmdSeq));
1297  CmdSeq.props = Props;
1298  SETCMD(DTV_STAT_CNR, 0);
1299  SETCMD(DTV_MODULATION, 0);
1300  SETCMD(DTV_CODE_RATE_HP, 0); // DVB-T only
1301  SETCMD(DTV_INNER_FEC, 0);
1302  SETCMD(DTV_STAT_POST_ERROR_BIT_COUNT, 0);
1303  SETCMD(DTV_STAT_POST_TOTAL_BIT_COUNT, 0);
1304  if (ioctl(fd_frontend, FE_GET_PROPERTY, &CmdSeq) != 0) {
1305  esyslog("ERROR: frontend %d/%d: %m (%s:%d)", adapter, frontend, __FILE__, __LINE__);
1306  return -1;
1307  }
1308  int FeMod = (Props[1].u.st.len > 0) ? (int)Props[1].u.data : -1;
1309  int FeCod = (Props[2].u.st.len > 0) ? (int)Props[2].u.data : -1;
1310  int FeFec = (Props[3].u.st.len > 0) ? (int)Props[3].u.data : -1;
1311  int Ber = BER_ERROR_FREE; // 1/10^-9
1312  if (Props[4].u.st.len > 0 && Props[4].u.st.stat[0].scale == FE_SCALE_COUNTER && Props[5].u.st.len > 0 && Props[5].u.st.stat[0].scale == FE_SCALE_COUNTER) {
1313  uint64_t ebc = Props[4].u.st.stat[0].uvalue; // error bit count
1314  uint64_t tbc = Props[5].u.st.stat[0].uvalue; // total bit count
1315  if (ebc > 0) {
1316  uint64_t BerRev = tbc / ebc; // reversed, for integer arithmetic
1317  if (BerRev < BER_ERROR_FREE)
1318  Ber = (int)BerRev;
1319  }
1320  }
1321  int Cnr = 0;
1322  if (Props[0].u.st.len > 0) {
1323  switch (Props[0].u.st.stat[0].scale) {
1324  case FE_SCALE_DECIBEL: Cnr = SignalToSQI(&channel, Props[0].u.st.stat[0].svalue, Ber, FeMod, FeCod, FeFec);
1325  break;
1326  case FE_SCALE_RELATIVE: Cnr = 100 * Props[0].u.st.stat[0].uvalue / 0xFFFF;
1327  break;
1328  default: ;
1329  }
1330 #ifdef DEBUG_SIGNALQUALITY
1331  fprintf(stderr, "FE %d/%d: API5 %d %08X %.1f Q = %d\n", adapter, frontend, Props[0].u.st.stat[0].scale, int(Props[0].u.st.stat[0].svalue), int(Props[0].u.st.stat[0].svalue) / 1000.0, Cnr);
1332 #endif
1333  }
1334  else
1335  continue;
1336  return Cnr;
1337  }
1338  // Fall back to DVB API 3:
1339  fe_status_t Status;
1340  if (GetFrontendStatus(Status)) {
1341  // Actually one would expect these checks to be done from FE_HAS_SIGNAL to FE_HAS_LOCK, but some drivers (like the stb0899) are broken, so FE_HAS_LOCK is the only one that (hopefully) is generally reliable...
1342  if ((Status & FE_HAS_LOCK) == 0) {
1343  if ((Status & FE_HAS_SIGNAL) == 0)
1344  return 0;
1345  if ((Status & FE_HAS_CARRIER) == 0)
1346  return 1;
1347  if ((Status & FE_HAS_VITERBI) == 0)
1348  return 2;
1349  if ((Status & FE_HAS_SYNC) == 0)
1350  return 3;
1351  return 4;
1352  }
1353 #ifdef DEBUG_SIGNALQUALITY
1354  bool HasSnr = true;
1355 #endif
1356  uint16_t Snr;
1357  while (1) {
1358  if (ioctl(fd_frontend, FE_READ_SNR, &Snr) != -1)
1359  break;
1360  if (errno != EINTR) {
1361  Snr = 0xFFFF;
1362 #ifdef DEBUG_SIGNALQUALITY
1363  HasSnr = false;
1364 #endif
1365  break;
1366  }
1367  }
1368 #ifdef DEBUG_SIGNALQUALITY
1369  bool HasBer = true;
1370 #endif
1371  uint32_t Ber;
1372  while (1) {
1373  if (ioctl(fd_frontend, FE_READ_BER, &Ber) != -1)
1374  break;
1375  if (errno != EINTR) {
1376  Ber = 0;
1377 #ifdef DEBUG_SIGNALQUALITY
1378  HasBer = false;
1379 #endif
1380  break;
1381  }
1382  }
1383 #ifdef DEBUG_SIGNALQUALITY
1384  bool HasUnc = true;
1385 #endif
1386  uint32_t Unc;
1387  while (1) {
1388  if (ioctl(fd_frontend, FE_READ_UNCORRECTED_BLOCKS, &Unc) != -1) {
1389  if (Unc != lastUncValue) {
1390 #ifdef DEBUG_SIGNALQUALITY
1391  fprintf(stderr, "FE %d/%d: API3 UNC = %u %u %u\n", adapter, frontend, Unc, lastUncValue, lastUncDelta);
1392 #endif
1393  lastUncDelta = (Unc >= lastUncValue) ? Unc - lastUncValue : lastUncValue - Unc;
1394  lastUncValue = Unc;
1395  lastUncChange = time(NULL);
1396  }
1397  // The number of uncorrected blocks is a counter, which is normally
1398  // at a constant value and only increases if there are new uncorrected
1399  // blocks. So a change in the Unc value indicates reduced signal quality.
1400  // Whenever the Unc counter changes, we take the delta between the old
1401  // and new value into account for calculating the overall signal quality.
1402  // The impact of Unc is considered for 2 seconds, and after that it is
1403  // bisected with every passing second in order to phase it out. Otherwise
1404  // once one or more uncorrected blocks occur, the signal quality would
1405  // be considered low even if there haven't been any more uncorrected bocks
1406  // for quite a while.
1407  Unc = lastUncDelta;
1408  if (Unc > 0) {
1409  int t = time(NULL) - lastUncChange - 2;
1410  if (t > 0)
1411  Unc >>= min(t, int(sizeof(Unc) * 8 - 1));
1412  if (Unc == 0)
1413  lastUncDelta = 0;
1414 #ifdef DEBUG_SIGNALQUALITY
1415  fprintf(stderr, "FE %d/%d: API3 UNC = %u\n", adapter, frontend, Unc);
1416 #endif
1417  }
1418  break;
1419  }
1420  if (errno != EINTR) {
1421  Unc = 0;
1422 #ifdef DEBUG_SIGNALQUALITY
1423  HasUnc = false;
1424 #endif
1425  break;
1426  }
1427  }
1428  uint16_t MinSnr = 0x0000;
1429  uint16_t MaxSnr = 0xFFFF; // Let's assume the default is using the entire range.
1430  // Use the subsystemId to identify individual devices in case they need
1431  // special treatment to map their Snr value into the range 0...0xFFFF.
1432  switch (dvbFrontend->SubsystemId()) {
1433  case 0x13C21019: // TT-budget S2-3200 (DVB-S/DVB-S2)
1434  case 0x1AE40001: // TechniSat SkyStar HD2 (DVB-S/DVB-S2)
1435  if (frontendType == SYS_DVBS2) {
1436  MinSnr = 10;
1437  MaxSnr = 70;
1438  }
1439  else
1440  MaxSnr = 200;
1441  break;
1442  case 0x20130245: // PCTV Systems PCTV 73ESE
1443  case 0x2013024F: // PCTV Systems nanoStick T2 290e
1444  MaxSnr = 255; break;
1445  }
1446  int a = int(constrain(Snr, MinSnr, MaxSnr)) * 100 / (MaxSnr - MinSnr);
1447  int b = 100 - (Unc * 10 + (Ber / 256) * 5);
1448  if (b < 0)
1449  b = 0;
1450  int q = LOCK_THRESHOLD + a * b * (100 - LOCK_THRESHOLD) / 100 / 100;
1451  if (q > 100)
1452  q = 100;
1453 #ifdef DEBUG_SIGNALQUALITY
1454  fprintf(stderr, "FE %d/%d: API3 %08X Q = %04X %04X %d %5d %5d %3d%%\n", adapter, frontend, dvbFrontend->SubsystemId(), MaxSnr, Snr, HasSnr, HasBer ? int(Ber) : -1, HasUnc ? int(Unc) : -1, q);
1455 #endif
1456  return q;
1457  }
1458  return -1;
1459 }
1460 
1461 static unsigned int FrequencyToHz(unsigned int f)
1462 {
1463  while (f && f < 1000000)
1464  f *= 1000;
1465  return f;
1466 }
1467 
1469 {
1470  if (!positioner) {
1473  }
1474  return positioner;
1475 }
1476 
1477 void cDvbTuner::ExecuteDiseqc(const cDiseqc *Diseqc, int *Frequency)
1478 {
1479  if (!lnbPowerTurnedOn) {
1480  CHECK(ioctl(fd_frontend, FE_SET_VOLTAGE, SEC_VOLTAGE_13)); // must explicitly turn on LNB power
1481  lnbPowerTurnedOn = true;
1482  }
1483  static cMutex Mutex;
1484  if (Diseqc->IsScr())
1485  Mutex.Lock();
1486  struct dvb_diseqc_master_cmd cmd;
1487  const char *CurrentAction = NULL;
1488  cPositioner *Positioner = NULL;
1489  bool Break = false;
1490  for (int i = 0; !Break; i++) {
1491  cmd.msg_len = sizeof(cmd.msg);
1492  cDiseqc::eDiseqcActions da = Diseqc->Execute(&CurrentAction, cmd.msg, &cmd.msg_len, scr, Frequency);
1493  if (da == cDiseqc::daNone) {
1494  diseqcOffset = 0;
1495  break;
1496  }
1497  bool d = i >= diseqcOffset;
1498  switch (da) {
1499  case cDiseqc::daToneOff: if (d) CHECK(ioctl(fd_frontend, FE_SET_TONE, SEC_TONE_OFF)); break;
1500  case cDiseqc::daToneOn: if (d) CHECK(ioctl(fd_frontend, FE_SET_TONE, SEC_TONE_ON)); break;
1501  case cDiseqc::daVoltage13: if (d) CHECK(ioctl(fd_frontend, FE_SET_VOLTAGE, SEC_VOLTAGE_13)); break;
1502  case cDiseqc::daVoltage18: if (d) CHECK(ioctl(fd_frontend, FE_SET_VOLTAGE, SEC_VOLTAGE_18)); break;
1503  case cDiseqc::daMiniA: if (d) CHECK(ioctl(fd_frontend, FE_DISEQC_SEND_BURST, SEC_MINI_A)); break;
1504  case cDiseqc::daMiniB: if (d) CHECK(ioctl(fd_frontend, FE_DISEQC_SEND_BURST, SEC_MINI_B)); break;
1505  case cDiseqc::daCodes: if (d) CHECK(ioctl(fd_frontend, FE_DISEQC_SEND_MASTER_CMD, &cmd)); break;
1506  case cDiseqc::daPositionN: if ((Positioner = GetPositioner()) != NULL) {
1507  if (d) {
1509  Break = Positioner->IsMoving();
1510  }
1511  }
1512  break;
1513  case cDiseqc::daPositionA: if ((Positioner = GetPositioner()) != NULL) {
1514  if (d) {
1516  Break = Positioner->IsMoving();
1517  }
1518  }
1519  break;
1520  case cDiseqc::daScr:
1521  case cDiseqc::daWait: break;
1522  default: esyslog("ERROR: unknown diseqc command %d", da);
1523  }
1524  if (Break)
1525  diseqcOffset = i + 1;
1526  }
1528  if (scr && !Break)
1529  ResetToneAndVoltage(); // makes sure we don't block the bus!
1530  if (Diseqc->IsScr())
1531  Mutex.Unlock();
1532 }
1533 
1535 {
1536  CHECK(ioctl(fd_frontend, FE_SET_VOLTAGE, bondedTuner ? SEC_VOLTAGE_OFF : SEC_VOLTAGE_13));
1537  CHECK(ioctl(fd_frontend, FE_SET_TONE, SEC_TONE_OFF));
1538 }
1539 
1541 {
1542  dtv_property Props[MAXFRONTENDCMDS];
1543  memset(&Props, 0, sizeof(Props));
1544  dtv_properties CmdSeq;
1545  memset(&CmdSeq, 0, sizeof(CmdSeq));
1546  CmdSeq.props = Props;
1547  SETCMD(DTV_CLEAR, 0);
1548  if (ioctl(fd_frontend, FE_SET_PROPERTY, &CmdSeq) < 0) {
1549  esyslog("ERROR: frontend %d/%d: %m (%s:%d)", adapter, frontend, __FILE__, __LINE__);
1550  return false;
1551  }
1552  CmdSeq.num = 0;
1553 
1555 
1556  // Determine the required frontend type:
1558  if (frontendType == SYS_UNDEFINED)
1559  return false;
1560 
1561  SETCMD(DTV_DELIVERY_SYSTEM, frontendType);
1562  if (frontendType == SYS_DVBS || frontendType == SYS_DVBS2) {
1563  int frequency = channel.Frequency();
1564  if (Setup.DiSEqC) {
1565  if (const cDiseqc *diseqc = Diseqcs.Get(device->DeviceNumber() + 1, channel.Source(), frequency, dtp.Polarization(), &scr)) {
1566  frequency -= diseqc->Lof();
1567  if (diseqc != lastDiseqc || diseqc->IsScr() || diseqc->Position() >= 0 && channel.Source() != lastSource) {
1568  if (IsBondedMaster()) {
1569  ExecuteDiseqc(diseqc, &frequency);
1570  if (frequency == 0)
1571  return false;
1572  }
1573  else
1575  lastDiseqc = diseqc;
1577  }
1578  }
1579  else {
1580  esyslog("ERROR: no DiSEqC parameters found for channel %d (%s)", channel.Number(), channel.Name());
1581  return false;
1582  }
1583  }
1584  else {
1585  int tone = SEC_TONE_OFF;
1586  if (frequency < Setup.LnbSLOF) {
1587  frequency -= Setup.LnbFrequLo;
1588  tone = SEC_TONE_OFF;
1589  }
1590  else {
1591  frequency -= Setup.LnbFrequHi;
1592  tone = SEC_TONE_ON;
1593  }
1594  int volt = (dtp.Polarization() == 'V' || dtp.Polarization() == 'R') ? SEC_VOLTAGE_13 : SEC_VOLTAGE_18;
1595  if (!IsBondedMaster()) {
1596  tone = SEC_TONE_OFF;
1597  volt = SEC_VOLTAGE_13;
1598  }
1599  CHECK(ioctl(fd_frontend, FE_SET_VOLTAGE, volt));
1600  CHECK(ioctl(fd_frontend, FE_SET_TONE, tone));
1601  }
1602  frequency = abs(frequency); // Allow for C-band, where the frequency is less than the LOF
1603 
1604  // DVB-S/DVB-S2 (common parts)
1605  SETCMD(DTV_FREQUENCY, frequency * 1000UL);
1606  SETCMD(DTV_MODULATION, dtp.Modulation());
1607  SETCMD(DTV_SYMBOL_RATE, channel.Srate() * 1000UL);
1608  SETCMD(DTV_INNER_FEC, dtp.CoderateH());
1609  SETCMD(DTV_INVERSION, dtp.Inversion());
1610  if (frontendType == SYS_DVBS2) {
1611  // DVB-S2
1612  SETCMD(DTV_PILOT, dtp.Pilot());
1613  SETCMD(DTV_ROLLOFF, dtp.RollOff());
1614  if (DvbApiVersion >= 0x0508)
1615  SETCMD(DTV_STREAM_ID, dtp.StreamId());
1616  }
1617  else {
1618  // DVB-S
1619  SETCMD(DTV_ROLLOFF, ROLLOFF_35); // DVB-S always has a ROLLOFF of 0.35
1620  }
1621 
1624  }
1625  else if (frontendType == SYS_DVBC_ANNEX_AC || frontendType == SYS_DVBC_ANNEX_B) {
1626  // DVB-C
1627  SETCMD(DTV_FREQUENCY, FrequencyToHz(channel.Frequency()));
1628  SETCMD(DTV_INVERSION, dtp.Inversion());
1629  SETCMD(DTV_SYMBOL_RATE, channel.Srate() * 1000UL);
1630  SETCMD(DTV_INNER_FEC, dtp.CoderateH());
1631  SETCMD(DTV_MODULATION, dtp.Modulation());
1632 
1635  }
1636  else if (frontendType == SYS_DVBT || frontendType == SYS_DVBT2) {
1637  // DVB-T/DVB-T2 (common parts)
1638  SETCMD(DTV_FREQUENCY, FrequencyToHz(channel.Frequency()));
1639  SETCMD(DTV_INVERSION, dtp.Inversion());
1640  SETCMD(DTV_BANDWIDTH_HZ, dtp.Bandwidth());
1641  SETCMD(DTV_CODE_RATE_HP, dtp.CoderateH());
1642  SETCMD(DTV_CODE_RATE_LP, dtp.CoderateL());
1643  SETCMD(DTV_MODULATION, dtp.Modulation());
1644  SETCMD(DTV_TRANSMISSION_MODE, dtp.Transmission());
1645  SETCMD(DTV_GUARD_INTERVAL, dtp.Guard());
1646  SETCMD(DTV_HIERARCHY, dtp.Hierarchy());
1647  if (frontendType == SYS_DVBT2) {
1648  // DVB-T2
1649  SETCMD(DTV_INNER_FEC, dtp.CoderateH());
1650  if (DvbApiVersion >= 0x0508) {
1651  SETCMD(DTV_STREAM_ID, dtp.StreamId());
1652  }
1653  else if (DvbApiVersion >= 0x0503)
1655  }
1658  }
1659  else if (frontendType == SYS_ATSC) {
1660  // ATSC
1661  SETCMD(DTV_FREQUENCY, FrequencyToHz(channel.Frequency()));
1662  SETCMD(DTV_INVERSION, dtp.Inversion());
1663  SETCMD(DTV_MODULATION, dtp.Modulation());
1664 
1667  }
1668  else {
1669  esyslog("ERROR: attempt to set channel with unknown DVB frontend type");
1670  return false;
1671  }
1672  SETCMD(DTV_TUNE, 0);
1673  if (ioctl(fd_frontend, FE_SET_PROPERTY, &CmdSeq) < 0) {
1674  esyslog("ERROR: frontend %d/%d: %m (%s:%d)", adapter, frontend, __FILE__, __LINE__);
1675  return false;
1676  }
1677  return true;
1678 }
1679 
1681 {
1682  cTimeMs Timer;
1683  bool LostLock = false;
1684  fe_status_t Status = (fe_status_t)0;
1685  while (Running()) {
1686  int WaitTime = 1000;
1687  fe_status_t NewStatus;
1688  if (GetFrontendStatus(NewStatus))
1689  Status = NewStatus;
1690  cMutexLock MutexLock(&mutex);
1691  switch (tunerStatus) {
1692  case tsIdle:
1693  break; // we want the TimedWait() below!
1694  case tsSet:
1696  continue;
1697  case tsPositioning:
1698  if (positioner) {
1699  if (positioner->IsMoving())
1700  break; // we want the TimedWait() below!
1701  else if (diseqcOffset) {
1702  lastDiseqc = NULL;
1703  tunerStatus = tsSet; // have it process the rest of the DiSEqC sequence
1704  continue;
1705  }
1706  }
1707  tunerStatus = tsTuned;
1708  device->SectionHandler()->SetStatus(true); // may have been turned off when retuning
1709  Timer.Set(tuneTimeout + (scr ? rand() % SCR_RANDOM_TIMEOUT : 0));
1710  if (positioner)
1711  continue;
1712  // otherwise run directly into tsTuned...
1713  case tsTuned:
1714  if (Timer.TimedOut()) {
1715  tunerStatus = tsSet;
1716  lastDiseqc = NULL;
1717  lastSource = 0;
1718  if (time(NULL) - lastTimeoutReport > 60) { // let's not get too many of these
1719  if (channel.Number()) // no need to log this for transponders that are announced in the NIT but are not currently broadcasting
1720  isyslog("frontend %d/%d timed out while tuning to channel %d (%s), tp %d", adapter, frontend, channel.Number(), channel.Name(), channel.Transponder());
1721  lastTimeoutReport = time(NULL);
1722  }
1723  continue;
1724  }
1725  WaitTime = 100; // allows for a quick change from tsTuned to tsLocked
1726  // run into tsLocked...
1727  case tsLocked:
1728  if (Status & FE_REINIT) {
1729  tunerStatus = tsSet;
1730  lastDiseqc = NULL;
1731  lastSource = 0;
1732  isyslog("frontend %d/%d was reinitialized", adapter, frontend);
1733  lastTimeoutReport = 0;
1734  continue;
1735  }
1736  else if (Status & FE_HAS_LOCK) {
1737  if (LostLock) {
1738  isyslog("frontend %d/%d regained lock on channel %d (%s), tp %d", adapter, frontend, channel.Number(), channel.Name(), channel.Transponder());
1739  LostLock = false;
1740  }
1741  if (device->SdtFilter()->TransponderWrong()) {
1742  isyslog("frontend %d/%d is not receiving transponder %d for channel %d (%s) - retuning", adapter, frontend, channel.Transponder(), channel.Number(), channel.Name());
1743  device->SectionHandler()->SetStatus(false);
1744  tunerStatus = tsSet;
1745  lastDiseqc = NULL;
1746  lastSource = 0;
1747  continue;
1748  }
1750  locked.Broadcast();
1751  lastTimeoutReport = 0;
1752  }
1753  else if (tunerStatus == tsLocked) {
1754  LostLock = true;
1755  isyslog("frontend %d/%d lost lock on channel %d (%s), tp %d", adapter, frontend, channel.Number(), channel.Name(), channel.Transponder());
1756  tunerStatus = tsTuned;
1757  Timer.Set(lockTimeout);
1758  lastTimeoutReport = 0;
1759  continue;
1760  }
1761  break;
1762  default: esyslog("ERROR: unknown tuner status %d", tunerStatus);
1763  }
1764  newSet.TimedWait(mutex, WaitTime);
1765  }
1766 }
1767 
1768 // --- cDvbSourceParam -------------------------------------------------------
1769 
1771 private:
1772  int param;
1773  int srate;
1775 public:
1776  cDvbSourceParam(char Source, const char *Description);
1777  virtual void SetData(cChannel *Channel);
1778  virtual void GetData(cChannel *Channel);
1779  virtual cOsdItem *GetOsdItem(void);
1780  };
1781 
1782 cDvbSourceParam::cDvbSourceParam(char Source, const char *Description)
1783 :cSourceParam(Source, Description)
1784 {
1785  param = 0;
1786  srate = 0;
1787 }
1788 
1790 {
1791  srate = Channel->Srate();
1792  dtp.Parse(Channel->Parameters());
1793  param = 0;
1794 }
1795 
1797 {
1798  Channel->SetTransponderData(Channel->Source(), Channel->Frequency(), srate, dtp.ToString(Source()), true);
1799 }
1800 
1802 {
1803  char type = Source();
1804  const tDvbParameterMap *SystemValues = type == 'S' ? SystemValuesSat : SystemValuesTerr;
1805 #undef ST
1806 #define ST(s) if (strchr(s, type))
1807  switch (param++) {
1808  case 0: ST(" S ") return new cMenuEditChrItem( tr("Polarization"), &dtp.polarization, "HVLR"); else return GetOsdItem();
1809  case 1: ST(" ST") return new cMenuEditMapItem( tr("System"), &dtp.system, SystemValues); else return GetOsdItem();
1810  case 2: ST(" CS ") return new cMenuEditIntItem( tr("Srate"), &srate); else return GetOsdItem();
1811  case 3: ST("ACST") return new cMenuEditMapItem( tr("Inversion"), &dtp.inversion, InversionValues); else return GetOsdItem();
1812  case 4: ST(" CST") return new cMenuEditMapItem( tr("CoderateH"), &dtp.coderateH, CoderateValues); else return GetOsdItem();
1813  case 5: ST(" T") return new cMenuEditMapItem( tr("CoderateL"), &dtp.coderateL, CoderateValues); else return GetOsdItem();
1814  case 6: ST("ACST") return new cMenuEditMapItem( tr("Modulation"), &dtp.modulation, ModulationValues); else return GetOsdItem();
1815  case 7: ST(" T") return new cMenuEditMapItem( tr("Bandwidth"), &dtp.bandwidth, BandwidthValues); else return GetOsdItem();
1816  case 8: ST(" T") return new cMenuEditMapItem( tr("Transmission"), &dtp.transmission, TransmissionValues); else return GetOsdItem();
1817  case 9: ST(" T") return new cMenuEditMapItem( tr("Guard"), &dtp.guard, GuardValues); else return GetOsdItem();
1818  case 10: ST(" T") return new cMenuEditMapItem( tr("Hierarchy"), &dtp.hierarchy, HierarchyValues); else return GetOsdItem();
1819  case 11: ST(" S ") return new cMenuEditMapItem( tr("Rolloff"), &dtp.rollOff, RollOffValues); else return GetOsdItem();
1820  case 12: ST(" ST") return new cMenuEditIntItem( tr("StreamId"), &dtp.streamId, 0, 255); else return GetOsdItem();
1821  case 13: ST(" S ") return new cMenuEditMapItem( tr("Pilot"), &dtp.pilot, PilotValues); else return GetOsdItem();
1822  case 14: ST(" T") return new cMenuEditIntItem( tr("T2SystemId"), &dtp.t2systemId, 0, 65535); else return GetOsdItem();
1823  case 15: ST(" T") return new cMenuEditIntItem( tr("SISO/MISO"), &dtp.sisoMiso, 0, 1); else return GetOsdItem();
1824  default: return NULL;
1825  }
1826  return NULL;
1827 }
1828 
1829 // --- cDvbDevice ------------------------------------------------------------
1830 
1831 bool cDvbDevice::useDvbDevices = true;
1834 
1835 cDvbDevice::cDvbDevice(int Adapter, int Frontend)
1836 {
1837  adapter = Adapter;
1838  frontend = Frontend;
1839  ciAdapter = NULL;
1840  dvbTuner = NULL;
1841  bondedDevice = NULL;
1843  tsBuffer = NULL;
1844 
1845  // Common Interface:
1846 
1847  fd_ca = DvbOpen(DEV_DVB_CA, adapter, frontend, O_RDWR);
1848  if (fd_ca >= 0)
1850  checkTsBuffer = false;
1851 
1852  // The DVR device (will be opened and closed as needed):
1853 
1854  fd_dvr = -1;
1855 
1856  // We only check the devices that must be present - the others will be checked before accessing them://XXX
1857 
1858  dvbTuner = new cDvbTuner(this, adapter, frontend);
1859 
1861 }
1862 
1864 {
1866  delete dvbTuner;
1867  delete ciAdapter;
1868  UnBond();
1869  // We're not explicitly closing any device files here, since this sometimes
1870  // caused segfaults. Besides, the program is about to terminate anyway...
1871 }
1872 
1873 cString DvbName(const char *Name, int Adapter, int Frontend)
1874 {
1875  return cString::sprintf("%s/%s%d/%s%d", DEV_DVB_BASE, DEV_DVB_ADAPTER, Adapter, Name, Frontend);
1876 }
1877 
1878 int DvbOpen(const char *Name, int Adapter, int Frontend, int Mode, bool ReportError)
1879 {
1880  cString FileName = DvbName(Name, Adapter, Frontend);
1881  int fd = open(FileName, Mode);
1882  if (fd < 0 && ReportError)
1883  LOG_ERROR_STR(*FileName);
1884  return fd;
1885 }
1886 
1887 int cDvbDevice::Frontend(void) const
1888 {
1889  return dvbTuner ? dvbTuner->Frontend() : frontend;
1890 }
1891 
1892 bool cDvbDevice::Exists(int Adapter, int Frontend)
1893 {
1895  if (access(FileName, F_OK) == 0) {
1896  int f = open(FileName, O_RDONLY);
1897  if (f >= 0) {
1898  close(f);
1899  return true;
1900  }
1901  else if (errno != ENODEV && errno != EINVAL)
1902  LOG_ERROR_STR(*FileName);
1903  }
1904  else if (errno != ENOENT)
1905  LOG_ERROR_STR(*FileName);
1906  return false;
1907 }
1908 
1909 bool cDvbDevice::Probe(int Adapter, int Frontend)
1910 {
1912  dsyslog("probing %s", *FileName);
1913  for (cDvbDeviceProbe *dp = DvbDeviceProbes.First(); dp; dp = DvbDeviceProbes.Next(dp)) {
1914  if (dp->Probe(Adapter, Frontend))
1915  return true; // a plugin has created the actual device
1916  }
1917  dsyslog("creating cDvbDevice");
1918  new cDvbDevice(Adapter, Frontend); // it's a "budget" device
1919  return true;
1920 }
1921 
1923 {
1924  if (dvbTuner)
1926  return "";
1927 }
1928 
1930 {
1931  if (dvbTuner)
1932  return dvbTuner->FrontendName();
1933  return "";
1934 }
1935 
1937 {
1938  new cDvbSourceParam('A', "ATSC");
1939  new cDvbSourceParam('C', "DVB-C");
1940  new cDvbSourceParam('S', "DVB-S");
1941  new cDvbSourceParam('T', "DVB-T");
1942  cStringList Nodes;
1943  cReadDir DvbDir(DEV_DVB_BASE);
1944  if (DvbDir.Ok()) {
1945  struct dirent *a;
1946  while ((a = DvbDir.Next()) != NULL) {
1947  if (strstr(a->d_name, DEV_DVB_ADAPTER) == a->d_name) {
1948  int Adapter = strtol(a->d_name + strlen(DEV_DVB_ADAPTER), NULL, 10);
1949  cReadDir AdapterDir(AddDirectory(DEV_DVB_BASE, a->d_name));
1950  if (AdapterDir.Ok()) {
1951  struct dirent *f;
1952  while ((f = AdapterDir.Next()) != NULL) {
1953  if (strstr(f->d_name, DEV_DVB_FRONTEND) == f->d_name) {
1954  int Frontend = strtol(f->d_name + strlen(DEV_DVB_FRONTEND), NULL, 10);
1955  if (access(DvbName(DEV_DVB_DEMUX, Adapter, Frontend), F_OK) == 0) { // we only create devices for actual demuxes
1956  dsyslog("detected /dev/dvb/adapter%d/frontend%d", Adapter, Frontend);
1957  Nodes.Append(strdup(cString::sprintf("%2d %2d", Adapter, Frontend)));
1958  }
1959  }
1960  }
1961  }
1962  }
1963  }
1964  }
1965  int Found = 0;
1966  int Used = 0;
1967  if (Nodes.Size() > 0) {
1968  Nodes.Sort();
1969  for (int i = 0; i < Nodes.Size(); i++) {
1970  int Adapter;
1971  int Frontend;
1972  if (2 == sscanf(Nodes[i], "%d %d", &Adapter, &Frontend)) {
1973  if (Exists(Adapter, Frontend)) {
1974  if (Found < MAXDEVICES) {
1975  Found++;
1977  if (Probe(Adapter, Frontend))
1978  Used++;
1979  }
1980  else {
1981  dsyslog("skipped /dev/dvb/adapter%d/frontend%d", Adapter, Frontend);
1982  NextCardIndex(1); // skips this one
1983  }
1984  }
1985  }
1986  }
1987  }
1988  }
1989  if (Found > 0) {
1990  isyslog("found %d DVB device%s", Found, Found > 1 ? "s" : "");
1991  if (Used != Found)
1992  isyslog("using only %d DVB device%s", Used, Used != 1 ? "s" : "");
1993  }
1994  else
1995  isyslog("no DVB device found");
1996  return Found > 0;
1997 }
1998 
1999 bool cDvbDevice::BondDevices(const char *Bondings)
2000 {
2001  UnBondDevices();
2002  if (Bondings) {
2003  cSatCableNumbers SatCableNumbers(MAXDEVICES, Bondings);
2004  for (int i = 0; i < cDevice::NumDevices(); i++) {
2005  int d = SatCableNumbers.FirstDeviceIndex(i);
2006  if (d >= 0) {
2007  int ErrorDevice = 0;
2008  if (cDevice *Device1 = cDevice::GetDevice(i)) {
2009  if (cDevice *Device2 = cDevice::GetDevice(d)) {
2010  if (cDvbDevice *DvbDevice1 = dynamic_cast<cDvbDevice *>(Device1)) {
2011  if (cDvbDevice *DvbDevice2 = dynamic_cast<cDvbDevice *>(Device2)) {
2012  if (!DvbDevice1->Bond(DvbDevice2))
2013  return false; // Bond() has already logged the error
2014  }
2015  else
2016  ErrorDevice = d + 1;
2017  }
2018  else
2019  ErrorDevice = i + 1;
2020  if (ErrorDevice) {
2021  esyslog("ERROR: device '%d' in device bondings '%s' is not a cDvbDevice", ErrorDevice, Bondings);
2022  return false;
2023  }
2024  }
2025  else
2026  ErrorDevice = d + 1;
2027  }
2028  else
2029  ErrorDevice = i + 1;
2030  if (ErrorDevice) {
2031  esyslog("ERROR: unknown device '%d' in device bondings '%s'", ErrorDevice, Bondings);
2032  return false;
2033  }
2034  }
2035  }
2036  }
2037  return true;
2038 }
2039 
2041 {
2042  for (int i = 0; i < cDevice::NumDevices(); i++) {
2043  if (cDvbDevice *d = dynamic_cast<cDvbDevice *>(cDevice::GetDevice(i)))
2044  d->UnBond();
2045  }
2046 }
2047 
2049 {
2050  cMutexLock MutexLock(&bondMutex);
2051  if (!bondedDevice) {
2052  if (Device != this) {
2053  if ((ProvidesDeliverySystem(SYS_DVBS) || ProvidesDeliverySystem(SYS_DVBS2)) && (Device->ProvidesDeliverySystem(SYS_DVBS) || Device->ProvidesDeliverySystem(SYS_DVBS2))) {
2054  if (dvbTuner && Device->dvbTuner && dvbTuner->Bond(Device->dvbTuner)) {
2055  bondedDevice = Device->bondedDevice ? Device->bondedDevice : Device;
2056  Device->bondedDevice = this;
2057  dsyslog("device %d bonded with device %d", DeviceNumber() + 1, bondedDevice->DeviceNumber() + 1);
2058  return true;
2059  }
2060  }
2061  else
2062  esyslog("ERROR: can't bond device %d with device %d (only DVB-S(2) devices can be bonded)", DeviceNumber() + 1, Device->DeviceNumber() + 1);
2063  }
2064  else
2065  esyslog("ERROR: can't bond device %d with itself", DeviceNumber() + 1);
2066  }
2067  else
2068  esyslog("ERROR: device %d already bonded with device %d, can't bond with device %d", DeviceNumber() + 1, bondedDevice->DeviceNumber() + 1, Device->DeviceNumber() + 1);
2069  return false;
2070 }
2071 
2073 {
2074  cMutexLock MutexLock(&bondMutex);
2075  if (cDvbDevice *d = bondedDevice) {
2076  if (dvbTuner)
2077  dvbTuner->UnBond();
2078  dsyslog("device %d unbonded from device %d", DeviceNumber() + 1, bondedDevice->DeviceNumber() + 1);
2079  while (d->bondedDevice != this)
2080  d = d->bondedDevice;
2081  if (d == bondedDevice)
2082  d->bondedDevice = NULL;
2083  else
2084  d->bondedDevice = bondedDevice;
2085  bondedDevice = NULL;
2086  }
2087 }
2088 
2089 bool cDvbDevice::BondingOk(const cChannel *Channel, bool ConsiderOccupied) const
2090 {
2091  cMutexLock MutexLock(&bondMutex);
2092  if (bondedDevice || Positioner())
2093  return dvbTuner && dvbTuner->BondingOk(Channel, ConsiderOccupied);
2094  return true;
2095 }
2096 
2098 {
2099  return ciAdapter;
2100 }
2101 
2102 bool cDvbDevice::SetPid(cPidHandle *Handle, int Type, bool On)
2103 {
2104  if (Handle->pid) {
2105  dmx_pes_filter_params pesFilterParams;
2106  memset(&pesFilterParams, 0, sizeof(pesFilterParams));
2107  if (On) {
2108  if (Handle->handle < 0) {
2109  Handle->handle = DvbOpen(DEV_DVB_DEMUX, adapter, frontend, O_RDWR | O_NONBLOCK, true);
2110  if (Handle->handle < 0) {
2111  LOG_ERROR;
2112  return false;
2113  }
2114  }
2115  pesFilterParams.pid = Handle->pid;
2116  pesFilterParams.input = DMX_IN_FRONTEND;
2117  pesFilterParams.output = DMX_OUT_TS_TAP;
2118  pesFilterParams.pes_type= DMX_PES_OTHER;
2119  pesFilterParams.flags = DMX_IMMEDIATE_START;
2120  if (ioctl(Handle->handle, DMX_SET_PES_FILTER, &pesFilterParams) < 0) {
2121  LOG_ERROR;
2122  return false;
2123  }
2124  }
2125  else if (!Handle->used) {
2126  CHECK(ioctl(Handle->handle, DMX_STOP));
2127  if (Type <= ptTeletext) {
2128  pesFilterParams.pid = 0x1FFF;
2129  pesFilterParams.input = DMX_IN_FRONTEND;
2130  pesFilterParams.output = DMX_OUT_DECODER;
2131  pesFilterParams.pes_type= DMX_PES_OTHER;
2132  pesFilterParams.flags = DMX_IMMEDIATE_START;
2133  CHECK(ioctl(Handle->handle, DMX_SET_PES_FILTER, &pesFilterParams));
2134  }
2135  close(Handle->handle);
2136  Handle->handle = -1;
2137  }
2138  }
2139  return true;
2140 }
2141 
2142 #define RB_NUM_SECTIONS 8 // default: 2 sections = 8192 bytes
2143 
2144 int cDvbDevice::OpenFilter(u_short Pid, u_char Tid, u_char Mask)
2145 {
2147  int f = open(FileName, O_RDWR | O_NONBLOCK);
2148  if (f >= 0) {
2149  if (Pid == EITPID) { // increase ringbuffer size for EIT
2150  if (ioctl(f, DMX_SET_BUFFER_SIZE, MAX_SECTION_SIZE * RB_NUM_SECTIONS) < 0)
2151  dsyslog("OpenFilter (pid=%d, tid=%02X): ioctl DMX_SET_BUFFER_SIZE failed", Pid, Tid);
2152  }
2153  dmx_sct_filter_params sctFilterParams;
2154  memset(&sctFilterParams, 0, sizeof(sctFilterParams));
2155  sctFilterParams.pid = Pid;
2156  sctFilterParams.timeout = 0;
2157  sctFilterParams.flags = DMX_IMMEDIATE_START;
2158  sctFilterParams.filter.filter[0] = Tid;
2159  sctFilterParams.filter.mask[0] = Mask;
2160  if (ioctl(f, DMX_SET_FILTER, &sctFilterParams) >= 0)
2161  return f;
2162  else {
2163  esyslog("ERROR: can't set filter (pid=%d, tid=%02X, mask=%02X): %m", Pid, Tid, Mask);
2164  close(f);
2165  }
2166  }
2167  else
2168  esyslog("ERROR: can't open filter handle on '%s'", *FileName);
2169  return -1;
2170 }
2171 
2172 void cDvbDevice::CloseFilter(int Handle)
2173 {
2174  close(Handle);
2175 }
2176 
2177 bool cDvbDevice::ProvidesDeliverySystem(int DeliverySystem) const
2178 {
2179  return dvbTuner->ProvidesDeliverySystem(DeliverySystem);
2180 }
2181 
2182 bool cDvbDevice::ProvidesSource(int Source) const
2183 {
2184  int type = Source & cSource::st_Mask;
2185  return type == cSource::stNone
2186  || type == cSource::stAtsc && ProvidesDeliverySystem(SYS_ATSC)
2187  || type == cSource::stCable && (ProvidesDeliverySystem(SYS_DVBC_ANNEX_AC) || ProvidesDeliverySystem(SYS_DVBC_ANNEX_B))
2188  || type == cSource::stSat && (ProvidesDeliverySystem(SYS_DVBS) || ProvidesDeliverySystem(SYS_DVBS2))
2190 }
2191 
2192 bool cDvbDevice::ProvidesTransponder(const cChannel *Channel) const
2193 {
2194  if (!ProvidesSource(Channel->Source()))
2195  return false; // doesn't provide source
2196  if (!dvbTuner->ProvidesFrontend(Channel))
2197  return false; // requires modulation system which frontend doesn't provide
2198  cDvbTransponderParameters dtp(Channel->Parameters());
2199  if (!cSource::IsSat(Channel->Source()) ||
2200  (!Setup.DiSEqC || Diseqcs.Get(DeviceNumber() + 1, Channel->Source(), Channel->Frequency(), dtp.Polarization(), NULL)))
2201  return DeviceHooksProvidesTransponder(Channel);
2202  return false;
2203 }
2204 
2205 bool cDvbDevice::ProvidesChannel(const cChannel *Channel, int Priority, bool *NeedsDetachReceivers) const
2206 {
2207  bool result = false;
2208  bool hasPriority = Priority == IDLEPRIORITY || Priority > this->Priority();
2209  bool needsDetachReceivers = false;
2211 
2212  if (ProvidesTransponder(Channel)) {
2213  result = hasPriority;
2214  if (Priority > IDLEPRIORITY) {
2215  if (Receiving()) {
2216  if (dvbTuner->IsTunedTo(Channel)) {
2217  if (Channel->Vpid() && !HasPid(Channel->Vpid()) || Channel->Apid(0) && !HasPid(Channel->Apid(0)) || Channel->Dpid(0) && !HasPid(Channel->Dpid(0))) {
2218  if (CamSlot() && Channel->Ca() >= CA_ENCRYPTED_MIN) {
2219  if (CamSlot()->CanDecrypt(Channel))
2220  result = true;
2221  else
2222  needsDetachReceivers = true;
2223  }
2224  else
2225  result = true;
2226  }
2227  else
2228  result = true;
2229  }
2230  else
2231  needsDetachReceivers = Receiving();
2232  }
2233  if (result) {
2234  cMutexLock MutexLock(&bondMutex);
2235  if (!BondingOk(Channel)) {
2236  // This device is bonded, so we need to check the priorities of the others:
2237  for (cDvbDevice *d = bondedDevice; d && d != this; d = d->bondedDevice) {
2238  if (d->Priority() >= Priority) {
2239  result = false;
2240  break;
2241  }
2242  needsDetachReceivers |= d->Receiving();
2243  }
2245  needsDetachReceivers |= Receiving();
2246  }
2247  }
2248  }
2249  }
2250  if (NeedsDetachReceivers)
2251  *NeedsDetachReceivers = needsDetachReceivers;
2252  return result;
2253 }
2254 
2255 bool cDvbDevice::ProvidesEIT(void) const
2256 {
2257  return dvbTuner != NULL && DeviceHooksProvidesEIT();
2258 }
2259 
2261 {
2262  return dvbTuner ? dvbTuner->NumProvidedSystems() : 0;
2263 }
2264 
2266 {
2267  return dvbTuner ? dvbTuner->Positioner() : NULL;
2268 }
2269 
2270 bool cDvbDevice::SignalStats(int &Valid, double *Strength, double *Cnr, double *BerPre, double *BerPost, double *Per, int *Status) const
2271 {
2272  return dvbTuner ? dvbTuner->GetSignalStats(Valid, Strength, Cnr, BerPre, BerPost, Per, Status) : false;
2273 }
2274 
2276 {
2277  return dvbTuner ? dvbTuner->GetSignalStrength() : -1;
2278 }
2279 
2281 {
2282  return dvbTuner ? dvbTuner->GetSignalQuality() : -1;
2283 }
2284 
2286 {
2287  return dvbTuner ? dvbTuner->GetTransponder() : NULL;
2288 }
2289 
2290 bool cDvbDevice::IsTunedToTransponder(const cChannel *Channel) const
2291 {
2292  return dvbTuner ? dvbTuner->IsTunedTo(Channel) : false;
2293 }
2294 
2295 bool cDvbDevice::MaySwitchTransponder(const cChannel *Channel) const
2296 {
2297  return BondingOk(Channel, true) && cDevice::MaySwitchTransponder(Channel);
2298 }
2299 
2300 bool cDvbDevice::SetChannelDevice(const cChannel *Channel, bool LiveView)
2301 {
2302  if (dvbTuner->ProvidesFrontend(Channel, true)) {
2303  dvbTuner->SetChannel(Channel);
2304  return true;
2305  }
2306  return false;
2307 }
2308 
2309 bool cDvbDevice::HasLock(int TimeoutMs) const
2310 {
2311  return dvbTuner ? dvbTuner->Locked(TimeoutMs) : false;
2312 }
2313 
2315 {
2317 }
2318 
2320 {
2321  CloseDvr();
2322  fd_dvr = DvbOpen(DEV_DVB_DVR, adapter, frontend, O_RDONLY | O_NONBLOCK, true);
2323  if (fd_dvr >= 0)
2325  return fd_dvr >= 0;
2326 }
2327 
2329 {
2330  if (fd_dvr >= 0) {
2331  delete tsBuffer;
2332  tsBuffer = NULL;
2333  close(fd_dvr);
2334  fd_dvr = -1;
2335  }
2336 }
2337 
2339 {
2340  if (tsBuffer) {
2341  if (cCamSlot *cs = CamSlot()) {
2342  if (cs->WantsTsData()) {
2343  int Available;
2344  Data = tsBuffer->Get(&Available, checkTsBuffer);
2345  if (!Data)
2346  Available = 0;
2347  Data = cs->Decrypt(Data, Available);
2348  tsBuffer->Skip(Available);
2349  checkTsBuffer = Data != NULL;
2350  return true;
2351  }
2352  }
2353  Data = tsBuffer->Get();
2354  return true;
2355  }
2356  return false;
2357 }
2358 
2360 {
2361  cMutexLock MutexLock(&bondMutex);
2362  cDvbDevice *d = this;
2363  do {
2364  d->cDevice::DetachAllReceivers();
2365  d = d->bondedDevice;
2366  } while (d && d != this && needsDetachBondedReceivers);
2368 }
2369 
2370 // --- cDvbDeviceProbe -------------------------------------------------------
2371 
2373 
2375 {
2376  DvbDeviceProbes.Add(this);
2377 }
2378 
2380 {
2381  DvbDeviceProbes.Del(this, false);
2382 }
2383 
2384 uint32_t cDvbDeviceProbe::GetSubsystemId(int Adapter, int Frontend)
2385 {
2386  uint32_t SubsystemId = 0;
2387  cString FileName = cString::sprintf("/dev/dvb/adapter%d/frontend%d", Adapter, Frontend);
2388  struct stat st;
2389  if (stat(FileName, &st) == 0) {
2390  cReadDir d("/sys/class/dvb");
2391  if (d.Ok()) {
2392  struct dirent *e;
2393  while ((e = d.Next()) != NULL) {
2394  if (strstr(e->d_name, "frontend")) {
2395  FileName = cString::sprintf("/sys/class/dvb/%s/dev", e->d_name);
2396  if (FILE *f = fopen(FileName, "r")) {
2397  cReadLine ReadLine;
2398  char *s = ReadLine.Read(f);
2399  fclose(f);
2400  unsigned Major;
2401  unsigned Minor;
2402  if (s && 2 == sscanf(s, "%u:%u", &Major, &Minor)) {
2403  if (((Major << 8) | Minor) == st.st_rdev) {
2404  FileName = cString::sprintf("/sys/class/dvb/%s/device/subsystem_vendor", e->d_name);
2405  if ((f = fopen(FileName, "r")) != NULL) {
2406  if (char *s = ReadLine.Read(f))
2407  SubsystemId = strtoul(s, NULL, 0) << 16;
2408  fclose(f);
2409  }
2410  else {
2411  FileName = cString::sprintf("/sys/class/dvb/%s/device/idVendor", e->d_name);
2412  if ((f = fopen(FileName, "r")) != NULL) {
2413  if (char *s = ReadLine.Read(f))
2414  SubsystemId = strtoul(s, NULL, 16) << 16;
2415  fclose(f);
2416  }
2417  }
2418  FileName = cString::sprintf("/sys/class/dvb/%s/device/subsystem_device", e->d_name);
2419  if ((f = fopen(FileName, "r")) != NULL) {
2420  if (char *s = ReadLine.Read(f))
2421  SubsystemId |= strtoul(s, NULL, 0);
2422  fclose(f);
2423  }
2424  else {
2425  FileName = cString::sprintf("/sys/class/dvb/%s/device/idProduct", e->d_name);
2426  if ((f = fopen(FileName, "r")) != NULL) {
2427  if (char *s = ReadLine.Read(f))
2428  SubsystemId |= strtoul(s, NULL, 16);
2429  fclose(f);
2430  }
2431  }
2432  break;
2433  }
2434  }
2435  }
2436  }
2437  }
2438  }
2439  }
2440  return SubsystemId;
2441 }
#define CA_ENCRYPTED_MIN
Definition: channels.h:44
Definition: ci.h:232
int Vpid(void) const
Definition: channels.h:153
int Source(void) const
Definition: channels.h:151
int Number(void) const
Definition: channels.h:178
const char * Name(void) const
Definition: channels.c:107
int Dpid(int i) const
Definition: channels.h:160
int Apid(int i) const
Definition: channels.h:159
int Ca(int Index=0) const
Definition: channels.h:172
int Frequency(void) const
Returns the actual frequency, as given in 'channels.conf'.
Definition: channels.h:148
bool IsSat(void) const
Definition: channels.h:187
bool IsCable(void) const
Definition: channels.h:186
bool SetTransponderData(int Source, int Frequency, int Srate, const char *Parameters, bool Quiet=false)
Definition: channels.c:180
const char * Parameters(void) const
Definition: channels.h:181
bool IsTerr(void) const
Definition: channels.h:188
int Transponder(void) const
Returns the transponder frequency in MHz, plus the polarization in case of sat.
Definition: channels.c:146
int Srate(void) const
Definition: channels.h:152
bool IsAtsc(void) const
Definition: channels.h:185
bool TimedWait(cMutex &Mutex, int TimeoutMs)
Definition: thread.c:132
void Broadcast(void)
Definition: thread.c:150
static int NextCardIndex(int n=0)
Calculates the next card index.
Definition: device.c:153
void StopSectionHandler(void)
A device that has called StartSectionHandler() must call this function (typically in its destructor) ...
Definition: device.c:673
static bool UseDevice(int n)
Tells whether the device with the given card index shall be used in this instance of VDR.
Definition: device.h:141
bool IsPrimaryDevice(void) const
Definition: device.h:220
void StartSectionHandler(void)
A derived device that provides section data must call this function (typically in its constructor) to...
Definition: device.c:662
@ ptTeletext
Definition: device.h:398
bool HasPid(int Pid) const
Returns true if this device is currently receiving the given PID.
Definition: device.c:542
virtual bool MaySwitchTransponder(const cChannel *Channel) const
Returns true if it is ok to switch to the Channel's transponder on this device, without disturbing an...
Definition: device.c:802
static cDevice * GetDevice(int Index)
Gets the device with the given Index.
Definition: device.c:228
bool DeviceHooksProvidesEIT(void) const
Definition: device.c:732
int DeviceNumber(void) const
Returns the number of this device (0 ... numDevices - 1).
Definition: device.c:165
bool Receiving(bool Dummy=false) const
Returns true if we are currently receiving. The parameter has no meaning (for backwards compatibility...
Definition: device.c:1678
cSectionHandler * SectionHandler(void) const
Definition: device.h:462
static int NumDevices(void)
Returns the total number of devices.
Definition: device.h:129
int Priority(void) const
Returns the priority of the current receiving session (-MAXPRIORITY..MAXPRIORITY),...
Definition: device.c:1660
static cDevice * PrimaryDevice(void)
Returns the primary device.
Definition: device.h:148
const cSdtFilter * SdtFilter(void) const
Definition: device.h:461
void DelLivePids(void)
Deletes the live viewing PIDs.
Definition: device.c:653
bool DeviceHooksProvidesTransponder(const cChannel *Channel) const
Definition: device.c:721
cCamSlot * CamSlot(void) const
Returns the CAM slot that is currently used with this device, or NULL if no CAM slot is in use.
Definition: device.h:481
Definition: diseqc.h:62
eDiseqcActions Execute(const char **CurrentAction, uchar *Codes, uint8_t *MaxCodes, const cScr *Scr, int *Frequency) const
Parses the DiSEqC commands and returns the appropriate action code with every call.
Definition: diseqc.c:402
int Position(void) const
Indicates which positioning mode to use in order to move the dish to a given satellite position.
Definition: diseqc.h:126
bool IsScr(void) const
Returns true if this DiSEqC sequence uses Satellite Channel Routing.
Definition: diseqc.h:132
eDiseqcActions
Definition: diseqc.h:64
@ daMiniB
Definition: diseqc.h:71
@ daNone
Definition: diseqc.h:65
@ daPositionN
Definition: diseqc.h:72
@ daMiniA
Definition: diseqc.h:70
@ daCodes
Definition: diseqc.h:75
@ daVoltage13
Definition: diseqc.h:68
@ daWait
Definition: diseqc.h:76
@ daToneOff
Definition: diseqc.h:66
@ daToneOn
Definition: diseqc.h:67
@ daVoltage18
Definition: diseqc.h:69
@ daPositionA
Definition: diseqc.h:73
@ daScr
Definition: diseqc.h:74
const cDiseqc * Get(int Device, int Source, int Frequency, char Polarization, const cScr **Scr) const
Selects a DiSEqC entry suitable for the given Device and tuning parameters.
Definition: diseqc.c:447
static cDvbCiAdapter * CreateCiAdapter(cDevice *Device, int Fd)
Definition: dvbci.c:102
cDvbDeviceProbe(void)
Definition: dvbdevice.c:2374
static uint32_t GetSubsystemId(int Adapter, int Frontend)
Definition: dvbdevice.c:2384
virtual ~cDvbDeviceProbe()
Definition: dvbdevice.c:2379
The cDvbDevice implements a DVB device which can be accessed through the Linux DVB driver API.
Definition: dvbdevice.h:168
virtual cString DeviceType(void) const
Returns a string identifying the type of this device (like "DVB-S").
Definition: dvbdevice.c:1922
virtual int OpenFilter(u_short Pid, u_char Tid, u_char Mask)
Opens a file handle for the given filter data.
Definition: dvbdevice.c:2144
static void UnBondDevices(void)
Unbonds all devices.
Definition: dvbdevice.c:2040
virtual bool IsTunedToTransponder(const cChannel *Channel) const
Returns true if this device is currently tuned to the given Channel's transponder.
Definition: dvbdevice.c:2290
static void SetTransferModeForDolbyDigital(int Mode)
Definition: dvbdevice.c:2314
cDvbDevice(int Adapter, int Frontend)
Definition: dvbdevice.c:1835
virtual int SignalStrength(void) const
Returns the "strength" of the currently received signal.
Definition: dvbdevice.c:2275
virtual bool HasLock(int TimeoutMs=0) const
Returns true if the device has a lock on the requested transponder.
Definition: dvbdevice.c:2309
virtual void CloseFilter(int Handle)
Closes a file handle that has previously been opened by OpenFilter().
Definition: dvbdevice.c:2172
static bool Exists(int Adapter, int Frontend)
Checks whether the given adapter/frontend exists.
Definition: dvbdevice.c:1892
virtual bool SetPid(cPidHandle *Handle, int Type, bool On)
Does the actual PID setting on this device.
Definition: dvbdevice.c:2102
static bool BondDevices(const char *Bondings)
Bonds the devices as defined in the given Bondings string.
Definition: dvbdevice.c:1999
static bool useDvbDevices
Definition: dvbdevice.h:175
virtual int NumProvidedSystems(void) const
Returns the number of individual "delivery systems" this device provides.
Definition: dvbdevice.c:2260
virtual void DetachAllReceivers(void)
Detaches all receivers from this device.
Definition: dvbdevice.c:2359
bool checkTsBuffer
Definition: dvbdevice.h:185
virtual bool ProvidesEIT(void) const
Returns true if this device provides EIT data and thus wants to be tuned to the channels it can recei...
Definition: dvbdevice.c:2255
cCiAdapter * ciAdapter
Definition: dvbdevice.h:227
virtual bool ProvidesTransponder(const cChannel *Channel) const
Returns true if this device can provide the transponder of the given Channel (which implies that it c...
Definition: dvbdevice.c:2192
cDvbTuner * dvbTuner
Definition: dvbdevice.h:232
virtual bool MaySwitchTransponder(const cChannel *Channel) const
Returns true if it is ok to switch to the Channel's transponder on this device, without disturbing an...
Definition: dvbdevice.c:2295
virtual bool OpenDvr(void)
Opens the DVR of this device and prepares it to deliver a Transport Stream for use in a cReceiver.
Definition: dvbdevice.c:2319
virtual void CloseDvr(void)
Shuts down the DVR.
Definition: dvbdevice.c:2328
static bool Initialize(void)
Initializes the DVB devices.
Definition: dvbdevice.c:1936
void UnBond(void)
Removes this device from any bonding it might have with other devices.
Definition: dvbdevice.c:2072
int adapter
Definition: dvbdevice.h:181
virtual bool SetChannelDevice(const cChannel *Channel, bool LiveView)
Sets the device to the given channel (actual physical setup).
Definition: dvbdevice.c:2300
static cMutex bondMutex
Definition: dvbdevice.h:186
bool BondingOk(const cChannel *Channel, bool ConsiderOccupied=false) const
Returns true if this device is either not bonded to any other device, or the given Channel is on the ...
Definition: dvbdevice.c:2089
cTSBuffer * tsBuffer
< Controls how the DVB device handles Transfer Mode when replaying Dolby Digital audio.
Definition: dvbdevice.h:283
bool needsDetachBondedReceivers
Definition: dvbdevice.h:188
virtual ~cDvbDevice()
Definition: dvbdevice.c:1863
virtual bool SignalStats(int &Valid, double *Strength=NULL, double *Cnr=NULL, double *BerPre=NULL, double *BerPost=NULL, double *Per=NULL, int *Status=NULL) const
Returns statistics about the currently received signal (if available).
Definition: dvbdevice.c:2270
static int setTransferModeForDolbyDigital
Definition: dvbdevice.h:271
virtual cString DeviceName(void) const
Returns a string identifying the name of this device.
Definition: dvbdevice.c:1929
int Frontend(void) const
Definition: dvbdevice.c:1887
virtual bool GetTSPacket(uchar *&Data)
Gets exactly one TS packet from the DVR of this device and returns a pointer to it in Data.
Definition: dvbdevice.c:2338
virtual const cChannel * GetCurrentlyTunedTransponder(void) const
Returns a pointer to the currently tuned transponder.
Definition: dvbdevice.c:2285
bool Bond(cDvbDevice *Device)
Bonds this device with the given Device, making both of them use the same satellite cable and LNB.
Definition: dvbdevice.c:2048
virtual bool ProvidesDeliverySystem(int DeliverySystem) const
Definition: dvbdevice.c:2177
virtual bool ProvidesChannel(const cChannel *Channel, int Priority=IDLEPRIORITY, bool *NeedsDetachReceivers=NULL) const
Returns true if this device can provide the given channel.
Definition: dvbdevice.c:2205
virtual bool ProvidesSource(int Source) const
Returns true if this device can provide the given source.
Definition: dvbdevice.c:2182
virtual bool HasCi(void)
Returns true if this device has a Common Interface.
Definition: dvbdevice.c:2097
cDvbDevice * bondedDevice
Definition: dvbdevice.h:187
int frontend
Definition: dvbdevice.h:181
int fd_dvr
Definition: dvbdevice.h:184
virtual int SignalQuality(void) const
Returns the "quality" of the currently received signal.
Definition: dvbdevice.c:2280
static bool Probe(int Adapter, int Frontend)
Probes for existing DVB devices.
Definition: dvbdevice.c:1909
int Adapter(void) const
Definition: dvbdevice.h:192
virtual const cPositioner * Positioner(void) const
Returns a pointer to the positioner (if any) this device has used to move the satellite dish to the r...
Definition: dvbdevice.c:2265
int Open(void)
Definition: dvbdevice.c:383
const char * FrontendName(void)
Definition: dvbdevice.c:356
uint32_t subsystemId
Definition: dvbdevice.c:346
int fd_frontend
Definition: dvbdevice.c:345
bool ProvidesModulation(int System, int StreamId, int Modulation) const
Definition: dvbdevice.c:408
uint32_t SubsystemId(void) const
Definition: dvbdevice.c:361
int NumDeliverySystems(void) const
Definition: dvbdevice.c:359
cDvbFrontend(int Adapter, int Frontend)
Definition: dvbdevice.c:364
int NumModulations(void) const
Definition: dvbdevice.c:360
bool ProvidesDeliverySystem(int DeliverySystem) const
Definition: dvbdevice.c:399
int numModulations
Definition: dvbdevice.c:349
void Close(void)
Definition: dvbdevice.c:390
cVector< int > deliverySystems
Definition: dvbdevice.c:348
bool QueryDeliverySystems(void)
Definition: dvbdevice.c:426
dvb_frontend_info frontendInfo
Definition: dvbdevice.c:347
cDvbSourceParam(char Source, const char *Description)
Definition: dvbdevice.c:1782
cDvbTransponderParameters dtp
Definition: dvbdevice.c:1774
virtual void SetData(cChannel *Channel)
Sets all source specific parameters to those of the given Channel.
Definition: dvbdevice.c:1789
virtual cOsdItem * GetOsdItem(void)
Returns all the OSD items necessary for editing the source specific parameters of the channel that wa...
Definition: dvbdevice.c:1801
virtual void GetData(cChannel *Channel)
Copies all source specific parameters to the given Channel.
Definition: dvbdevice.c:1796
int StreamId(void) const
Definition: dvbdevice.h:138
cString ToString(char Type) const
Definition: dvbdevice.c:214
const char * ParseParameter(const char *s, int &Value, const tDvbParameterMap *Map=NULL)
Definition: dvbdevice.c:238
char Polarization(void) const
Definition: dvbdevice.h:127
int Guard(void) const
Definition: dvbdevice.h:135
bool Parse(const char *s)
Definition: dvbdevice.c:254
int Pilot(void) const
Definition: dvbdevice.h:141
int PrintParameter(char *p, char Name, int Value) const
Definition: dvbdevice.c:209
int RollOff(void) const
Definition: dvbdevice.h:137
int CoderateL(void) const
Definition: dvbdevice.h:131
int Transmission(void) const
Definition: dvbdevice.h:134
int Bandwidth(void) const
Definition: dvbdevice.h:129
int System(void) const
Definition: dvbdevice.h:133
int Inversion(void) const
Definition: dvbdevice.h:128
cDvbTransponderParameters(const char *Parameters=NULL)
Definition: dvbdevice.c:204
int Modulation(void) const
Definition: dvbdevice.h:132
int Hierarchy(void) const
Definition: dvbdevice.h:136
int CoderateH(void) const
Definition: dvbdevice.h:130
int diseqcOffset
Definition: dvbdevice.c:550
cPositioner * positioner
Definition: dvbdevice.c:552
void UnBond(void)
Definition: dvbdevice.c:722
int frontend
Definition: dvbdevice.c:537
void ExecuteDiseqc(const cDiseqc *Diseqc, int *Frequency)
Definition: dvbdevice.c:1477
time_t lastUncChange
Definition: dvbdevice.c:547
bool Bond(cDvbTuner *Tuner)
Definition: dvbdevice.c:706
cCondVar newSet
Definition: dvbdevice.c:558
int lockTimeout
Definition: dvbdevice.c:543
bool lnbPowerTurnedOn
Definition: dvbdevice.c:554
bool SetFrontend(void)
Definition: dvbdevice.c:1540
void ClearEventQueue(void) const
Definition: dvbdevice.c:847
cChannel channel
Definition: dvbdevice.c:548
eTunerStatus tunerStatus
Definition: dvbdevice.c:555
int NumProvidedSystems(void) const
Definition: dvbdevice.c:580
void SetChannel(const cChannel *Channel)
Definition: dvbdevice.c:802
cDvbTuner(const cDvbDevice *Device, int Adapter, int Frontend)
Definition: dvbdevice.c:597
bool BondingOk(const cChannel *Channel, bool ConsiderOccupied=false) const
Definition: dvbdevice.c:755
const cPositioner * Positioner(void) const
Definition: dvbdevice.c:589
void ResetToneAndVoltage(void)
Definition: dvbdevice.c:1534
cPositioner * GetPositioner(void)
Definition: dvbdevice.c:1468
const cScr * scr
Definition: dvbdevice.c:553
cString GetBondingParams(const cChannel *Channel=NULL) const
Definition: dvbdevice.c:738
virtual void Action(void)
A derived cThread class must implement the code it wants to execute as a separate thread in this func...
Definition: dvbdevice.c:1680
int frontendType
Definition: dvbdevice.c:533
bool Locked(int TimeoutMs=0)
Definition: dvbdevice.c:835
int GetSignalQuality(void) const
Definition: dvbdevice.c:1289
uint32_t lastUncValue
Definition: dvbdevice.c:545
int adapter
Definition: dvbdevice.c:536
bool ProvidesModulation(int System, int StreamId, int Modulation) const
Definition: dvbdevice.c:674
uint32_t lastUncDelta
Definition: dvbdevice.c:546
cVector< cDvbFrontend * > dvbFrontends
Definition: dvbdevice.c:538
const cChannel * GetTransponder(void) const
Definition: dvbdevice.c:584
bool IsBondedMaster(void) const
Definition: dvbdevice.c:563
cDvbTuner * GetBondedMaster(void)
Definition: dvbdevice.c:771
int tuneTimeout
Definition: dvbdevice.c:542
uint32_t SubsystemId(void) const
Definition: dvbdevice.c:585
int Frontend(void) const
Definition: dvbdevice.c:577
bool GetSignalStats(int &Valid, double *Strength=NULL, double *Cnr=NULL, double *BerPre=NULL, double *BerPost=NULL, double *Per=NULL, int *Status=NULL) const
Definition: dvbdevice.c:874
bool bondedMaster
Definition: dvbdevice.c:560
const char * FrontendName(void)
Definition: dvbdevice.c:579
int fd_frontend
Definition: dvbdevice.c:535
bool ProvidesFrontend(const cChannel *Channel, bool Activate=false) const
Definition: dvbdevice.c:683
int FrontendType(void) const
Definition: dvbdevice.c:578
int lastSource
Definition: dvbdevice.c:551
bool IsTunedTo(const cChannel *Channel) const
Definition: dvbdevice.c:792
@ tsPositioning
Definition: dvbdevice.c:532
cDvbFrontend * dvbFrontend
Definition: dvbdevice.c:539
static cMutex bondMutex
Definition: dvbdevice.c:531
const cDiseqc * lastDiseqc
Definition: dvbdevice.c:549
time_t lastTimeoutReport
Definition: dvbdevice.c:544
cMutex mutex
Definition: dvbdevice.c:556
const cDvbDevice * device
Definition: dvbdevice.c:534
int GetSignalStrength(void) const
Definition: dvbdevice.c:1224
bool ProvidesDeliverySystem(int DeliverySystem) const
Definition: dvbdevice.c:665
cCondVar locked
Definition: dvbdevice.c:557
cDvbTuner * bondedTuner
Definition: dvbdevice.c:559
bool GetFrontendStatus(fe_status_t &Status) const
Definition: dvbdevice.c:857
int numModulations
Definition: dvbdevice.c:541
int numDeliverySystems
Definition: dvbdevice.c:540
virtual ~cDvbTuner()
Definition: dvbdevice.c:648
Definition: tools.h:641
Definition: thread.h:67
void Lock(void)
Definition: thread.c:222
void Unlock(void)
Definition: thread.c:228
Definition: tools.h:431
bool Poll(int TimeoutMs=0)
Definition: tools.c:1539
A steerable satellite dish generally points to the south on the northern hemisphere,...
Definition: positioner.h:31
static cPositioner * GetPositioner(void)
Returns a previously created positioner.
Definition: positioner.c:133
void SetFrontend(int Frontend)
This function is called whenever the positioner is connected to a DVB frontend.
Definition: positioner.h:89
virtual bool IsMoving(void) const
Returns true if the dish is currently moving as a result of a call to GotoPosition() or GotoAngle().
Definition: positioner.c:127
virtual void GotoPosition(uint Number, int Longitude)
Move the dish to the satellite position stored under the given Number.
Definition: positioner.c:100
virtual void GotoAngle(int Longitude)
Move the dish to the given angular position.
Definition: positioner.c:107
struct dirent * Next(void)
Definition: tools.c:1562
bool Ok(void)
Definition: tools.h:456
char * Read(FILE *f)
Definition: tools.c:1481
int FirstDeviceIndex(int DeviceIndex) const
Returns the first device index (starting at 0) that uses the same sat cable number as the device with...
Definition: config.c:116
Definition: diseqc.h:34
bool TransponderWrong(void) const
Definition: sdt.h:35
void SetStatus(bool On)
Definition: sections.c:147
int LnbSLOF
Definition: config.h:277
int LnbFrequLo
Definition: config.h:278
int DiSEqC
Definition: config.h:280
int LnbFrequHi
Definition: config.h:279
char Source(void) const
Definition: sourceparams.h:31
int Position(void)
Returns the orbital position of the satellite in case this is a DVB-S source (zero otherwise).
Definition: sources.h:35
static bool IsSat(int Code)
Definition: sources.h:57
@ st_Mask
Definition: sources.h:23
@ stCable
Definition: sources.h:20
@ stSat
Definition: sources.h:21
@ stNone
Definition: sources.h:18
@ stAtsc
Definition: sources.h:19
@ stTerr
Definition: sources.h:22
void Sort(bool IgnoreCase=false)
Definition: tools.h:853
Definition: tools.h:178
static cString sprintf(const char *fmt,...) __attribute__((format(printf
Definition: tools.c:1149
Derived cDevice classes that can receive channels will have to provide Transport Stream (TS) packets ...
Definition: device.h:876
uchar * Get(int *Available=NULL, bool CheckAvailable=false)
Returns a pointer to the first TS packet in the buffer.
Definition: device.c:1926
void Skip(int Count)
If after a call to Get() more or less than TS_SIZE of the available data has been processed,...
Definition: device.c:1956
Definition: thread.h:79
void bool Start(void)
Sets the description of this thread, which will be used when logging starting or stopping of the thre...
Definition: thread.c:304
void SetDescription(const char *Description,...) __attribute__((format(printf
Definition: thread.c:267
bool Running(void)
Returns false if a derived cThread object shall leave its Action() function.
Definition: thread.h:101
void Cancel(int WaitSeconds=0)
Cancels the thread by first setting 'running' to false, so that the Action() loop can finish in an or...
Definition: thread.c:354
Definition: tools.h:401
void Set(int Ms=0)
Sets the timer.
Definition: tools.c:792
bool TimedOut(void) const
Definition: tools.c:797
int Size(void) const
Definition: tools.h:764
virtual void Clear(void)
Definition: tools.h:815
virtual void Append(T Data)
Definition: tools.h:784
cSetup Setup
Definition: config.c:372
#define IDLEPRIORITY
Definition: config.h:47
#define DTV_STAT_HAS_NONE
Definition: device.h:112
#define DTV_STAT_HAS_VITERBI
Definition: device.h:115
#define DTV_STAT_VALID_STRENGTH
Definition: device.h:105
#define DTV_STAT_VALID_BERPRE
Definition: device.h:107
#define DTV_STAT_VALID_NONE
The cDevice class is the base from which actual devices can be derived.
Definition: device.h:104
#define DTV_STAT_VALID_PER
Definition: device.h:109
#define MAXDEVICES
Definition: device.h:29
#define DTV_STAT_HAS_CARRIER
Definition: device.h:114
#define DTV_STAT_VALID_CNR
Definition: device.h:106
#define DTV_STAT_HAS_LOCK
Definition: device.h:117
#define DTV_STAT_VALID_BERPOST
Definition: device.h:108
#define DTV_STAT_HAS_SYNC
Definition: device.h:116
#define DTV_STAT_HAS_SIGNAL
Definition: device.h:113
#define DTV_STAT_VALID_STATUS
Definition: device.h:110
cDiseqcs Diseqcs
Definition: diseqc.c:439
int DvbOpen(const char *Name, int Adapter, int Frontend, int Mode, bool ReportError)
Definition: dvbdevice.c:1878
int SignalToSQI(const cChannel *Channel, int Signal, int Ber, int FeModulation, int FeCoderateH, int FeFec)
Definition: dvbdevice.c:1082
static const int DeliverySystemNamesMax
Definition: dvbdevice.c:324
const tDvbParameterMap CoderateValues[]
Definition: dvbdevice.c:65
int dB1000toPercent(int dB1000, int Low, int High)
Definition: dvbdevice.c:984
#define DVB_SYSTEM_1
Definition: dvbdevice.c:98
const tDvbParameterMap PilotValues[]
Definition: dvbdevice.c:41
int StrengthToSSI(const cChannel *Channel, int Strength, int FeModulation, int FeCoderateH, int FeFec)
Definition: dvbdevice.c:1005
#define REF_T2(q1, q2, q3, q4)
Definition: dvbdevice.c:1002
const tDvbParameterMap GuardValues[]
Definition: dvbdevice.c:124
#define DVBC_LOCK_TIMEOUT
Definition: dvbdevice.c:29
const char * MapToUserString(int Value, const tDvbParameterMap *Map)
Definition: dvbdevice.c:186
const tDvbParameterMap SystemValuesSat[]
Definition: dvbdevice.c:101
#define SETCMD(c, d)
Definition: dvbdevice.c:334
const tDvbParameterMap HierarchyValues[]
Definition: dvbdevice.c:136
#define DVBC_TUNE_TIMEOUT
Definition: dvbdevice.c:28
int DriverIndex(int Value, const tDvbParameterMap *Map)
Definition: dvbdevice.c:164
#define REF_C1(q1, q2, q3, q4, q5)
Definition: dvbdevice.c:1003
cString DvbName(const char *Name, int Adapter, int Frontend)
Definition: dvbdevice.c:1873
#define SCR_RANDOM_TIMEOUT
Definition: dvbdevice.c:35
#define RB_NUM_SECTIONS
Definition: dvbdevice.c:2142
#define ST(s)
#define REF_S2(q1, q2, q3, q4)
Definition: dvbdevice.c:1000
#define TSBUFFERSIZE
Definition: dvbdevice.c:37
const tDvbParameterMap BandwidthValues[]
Definition: dvbdevice.c:55
#define DVB_SYSTEM_2
Definition: dvbdevice.c:99
#define TUNER_POLL_TIMEOUT
Definition: dvbdevice.c:511
#define LOCK_THRESHOLD
Definition: dvbdevice.c:1287
cList< cDvbDeviceProbe > DvbDeviceProbes
Definition: dvbdevice.c:2372
#define MAXFRONTENDCMDS
Definition: dvbdevice.c:333
const tDvbParameterMap TransmissionValues[]
Definition: dvbdevice.c:113
const tDvbParameterMap InversionValues[]
Definition: dvbdevice.c:48
static unsigned int FrequencyToHz(unsigned int f)
Definition: dvbdevice.c:1461
#define ATSC_TUNE_TIMEOUT
Definition: dvbdevice.c:32
const tDvbParameterMap RollOffValues[]
Definition: dvbdevice.c:145
const tDvbParameterMap ModulationValues[]
Definition: dvbdevice.c:81
const tDvbParameterMap SystemValuesTerr[]
Definition: dvbdevice.c:107
#define REF_S1(q1)
Definition: dvbdevice.c:999
static const char * GetDeliverySystemName(int Index)
Definition: dvbdevice.c:326
#define DVBT_TUNE_TIMEOUT
Definition: dvbdevice.c:30
int UserIndex(int Value, const tDvbParameterMap *Map)
Definition: dvbdevice.c:153
#define REF_T1(q1, q2, q3)
Definition: dvbdevice.c:1001
static int GetRequiredDeliverySystem(const cChannel *Channel, const cDvbTransponderParameters *Dtp)
Definition: dvbdevice.c:513
static int DvbApiVersion
Definition: dvbdevice.c:24
int MapToUser(int Value, const tDvbParameterMap *Map, const char **String)
Definition: dvbdevice.c:175
#define ATSC_LOCK_TIMEOUT
Definition: dvbdevice.c:33
#define DVBS_LOCK_TIMEOUT
Definition: dvbdevice.c:27
const char * DeliverySystemNames[]
Definition: dvbdevice.c:300
int MapToDriver(int Value, const tDvbParameterMap *Map)
Definition: dvbdevice.c:194
#define BER_ERROR_FREE
Definition: dvbdevice.c:1080
#define DVBS_TUNE_TIMEOUT
Definition: dvbdevice.c:26
#define DVBT_LOCK_TIMEOUT
Definition: dvbdevice.c:31
@ SYS_DVBT2
Definition: dvbdevice.h:52
#define DEV_DVB_BASE
Definition: dvbdevice.h:71
#define DEV_DVB_DVR
Definition: dvbdevice.h:75
#define DEV_DVB_DEMUX
Definition: dvbdevice.h:76
@ TRANSMISSION_MODE_16K
Definition: dvbdevice.h:43
@ TRANSMISSION_MODE_1K
Definition: dvbdevice.h:42
@ TRANSMISSION_MODE_32K
Definition: dvbdevice.h:44
#define DTV_ENUM_DELSYS
Definition: dvbdevice.h:57
@ GUARD_INTERVAL_19_128
Definition: dvbdevice.h:48
@ GUARD_INTERVAL_19_256
Definition: dvbdevice.h:49
@ GUARD_INTERVAL_1_128
Definition: dvbdevice.h:47
#define DEV_DVB_ADAPTER
Definition: dvbdevice.h:72
#define DTV_STREAM_ID
Definition: dvbdevice.h:64
#define DEV_DVB_CA
Definition: dvbdevice.h:79
@ FE_CAN_2G_MODULATION
Definition: dvbdevice.h:27
@ TRANSMISSION_MODE_4K
Definition: dvbdevice.h:30
@ FE_CAN_MULTISTREAM
Definition: dvbdevice.h:62
#define DVBAPIVERSION
Definition: dvbdevice.h:17
@ FE_CAN_TURBO_FEC
Definition: dvbdevice.h:36
#define DTV_DVBT2_PLP_ID_LEGACY
Definition: dvbdevice.h:65
#define DEV_DVB_FRONTEND
Definition: dvbdevice.h:74
#define tr(s)
Definition: i18n.h:85
#define trNOOP(s)
Definition: i18n.h:88
unsigned char u_char
Definition: headers.h:24
#define MAX_SECTION_SIZE
Definition: remux.h:295
#define EITPID
Definition: remux.h:54
const char * userString
Definition: dvbdevice.h:84
char * strn0cpy(char *dest, const char *src, size_t n)
Definition: tools.c:131
cString AddDirectory(const char *DirName, const char *FileName)
Definition: tools.c:402
T constrain(T v, T l, T h)
Definition: tools.h:70
#define LOG_ERROR_STR(s)
Definition: tools.h:40
unsigned char uchar
Definition: tools.h:31
#define CHECK(s)
Definition: tools.h:51
#define dsyslog(a...)
Definition: tools.h:37
T min(T a, T b)
Definition: tools.h:63
#define esyslog(a...)
Definition: tools.h:35
#define LOG_ERROR
Definition: tools.h:39
#define isyslog(a...)
Definition: tools.h:36