vdr  2.4.0
dvbdevice.h
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1 /*
2  * dvbdevice.h: 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.h 4.4 2017/05/09 11:24:47 kls Exp $
8  */
9 
10 #ifndef __DVBDEVICE_H
11 #define __DVBDEVICE_H
12 
13 #include <linux/dvb/frontend.h>
14 #include <linux/dvb/version.h>
15 #include "device.h"
16 
17 #define DVBAPIVERSION (DVB_API_VERSION << 8 | DVB_API_VERSION_MINOR)
18 
19 #if DVBAPIVERSION < 0x0500
20 #error VDR requires Linux DVB driver API version 5.0 or higher!
21 #endif
22 
23 // --- Definitions for older DVB API versions --------------------------------
24 
25 #if DVBAPIVERSION < 0x0501
26 enum {
27  FE_CAN_2G_MODULATION = 0x10000000,
28  };
29 enum {
30  TRANSMISSION_MODE_4K = TRANSMISSION_MODE_AUTO + 1,
31  };
32 #endif
33 
34 #if DVBAPIVERSION < 0x0502
35 enum {
36  FE_CAN_TURBO_FEC = 0x8000000,
37  };
38 #endif
39 
40 #if DVBAPIVERSION < 0x0503
41 enum {
45  };
46 enum {
47  GUARD_INTERVAL_1_128 = GUARD_INTERVAL_AUTO + 1,
50  };
51 enum {
52  SYS_DVBT2 = SYS_DAB + 1,
53  };
54 #endif
55 
56 #if DVBAPIVERSION < 0x0505
57 #define DTV_ENUM_DELSYS 44
58 #endif
59 
60 #if DVBAPIVERSION < 0x0508
61 enum {
62  FE_CAN_MULTISTREAM = 0x4000000,
63  };
64 #define DTV_STREAM_ID 42
65 #define DTV_DVBT2_PLP_ID_LEGACY 43
66 #endif
67 
68 // --- End of definitions for older DVB API versions -------------------------
69 
70 #define MAXDELIVERYSYSTEMS 8
71 
72 #define DEV_VIDEO "/dev/video"
73 #define DEV_DVB_BASE "/dev/dvb"
74 #define DEV_DVB_ADAPTER "adapter"
75 #define DEV_DVB_OSD "osd"
76 #define DEV_DVB_FRONTEND "frontend"
77 #define DEV_DVB_DVR "dvr"
78 #define DEV_DVB_DEMUX "demux"
79 #define DEV_DVB_VIDEO "video"
80 #define DEV_DVB_AUDIO "audio"
81 #define DEV_DVB_CA "ca"
82 
84  int userValue;
86  const char *userString;
87  };
88 
89 const char *MapToUserString(int Value, const tDvbParameterMap *Map);
90 int MapToUser(int Value, const tDvbParameterMap *Map, const char **String = NULL);
91 int MapToDriver(int Value, const tDvbParameterMap *Map);
92 int UserIndex(int Value, const tDvbParameterMap *Map);
93 int DriverIndex(int Value, const tDvbParameterMap *Map);
94 
95 extern const tDvbParameterMap PilotValues[];
96 extern const tDvbParameterMap InversionValues[];
97 extern const tDvbParameterMap BandwidthValues[];
98 extern const tDvbParameterMap CoderateValues[];
99 extern const tDvbParameterMap ModulationValues[];
100 extern const tDvbParameterMap SystemValuesSat[];
101 extern const tDvbParameterMap SystemValuesTerr[];
102 extern const tDvbParameterMap TransmissionValues[];
103 extern const tDvbParameterMap GuardValues[];
104 extern const tDvbParameterMap HierarchyValues[];
105 extern const tDvbParameterMap RollOffValues[];
106 
108 friend class cDvbSourceParam;
109 private:
116  int system;
118  int guard;
120  int rollOff;
121  int streamId;
123  int sisoMiso;
124  int pilot;
125  int PrintParameter(char *p, char Name, int Value) const;
126  const char *ParseParameter(const char *s, int &Value, const tDvbParameterMap *Map = NULL);
127 public:
128  cDvbTransponderParameters(const char *Parameters = NULL);
129  char Polarization(void) const { return polarization; }
130  int Inversion(void) const { return inversion; }
131  int Bandwidth(void) const { return bandwidth; }
132  int CoderateH(void) const { return coderateH; }
133  int CoderateL(void) const { return coderateL; }
134  int Modulation(void) const { return modulation; }
135  int System(void) const { return system; }
136  int Transmission(void) const { return transmission; }
137  int Guard(void) const { return guard; }
138  int Hierarchy(void) const { return hierarchy; }
139  int RollOff(void) const { return rollOff; }
140  int StreamId(void) const { return streamId; }
141  int T2SystemId(void) const { return t2systemId; }
142  int SisoMiso(void) const { return sisoMiso; }
143  int Pilot(void) const { return pilot; }
150  void SetSystem(int System) { system = System; }
152  void SetGuard(int Guard) { guard = Guard; }
158  void SetPilot(int Pilot) { pilot = Pilot; }
159  cString ToString(char Type) const;
160  bool Parse(const char *s);
161  };
162 
163 class cDvbTuner;
164 
166 
167 class cDvbDevice : public cDevice {
168 protected:
169  static cString DvbName(const char *Name, int Adapter, int Frontend);
170  static int DvbOpen(const char *Name, int Adapter, int Frontend, int Mode, bool ReportError = false);
171 private:
172  static bool Exists(int Adapter, int Frontend);
174  static bool Probe(int Adapter, int Frontend);
176 public:
177  static bool useDvbDevices;
178  static bool Initialize(void);
182 protected:
184 private:
185  dvb_frontend_info frontendInfo;
189  int fd_dvr, fd_ca;
194  bool QueryDeliverySystems(int fd_frontend);
195 public:
196  cDvbDevice(int Adapter, int Frontend);
197  virtual ~cDvbDevice();
198  int Adapter(void) const { return adapter; }
199  int Frontend(void) const { return frontend; }
200  virtual cString DeviceType(void) const;
201  virtual cString DeviceName(void) const;
202  static bool BondDevices(const char *Bondings);
208  static void UnBondDevices(void);
210  bool Bond(cDvbDevice *Device);
218  void UnBond(void);
222  bool BondingOk(const cChannel *Channel, bool ConsiderOccupied = false) const;
229 
230 // Common Interface facilities:
231 
232 private:
234 
235 // Channel facilities
236 
237 private:
239 public:
240  virtual bool ProvidesDeliverySystem(int DeliverySystem) const;
241  virtual bool ProvidesSource(int Source) const;
242  virtual bool ProvidesTransponder(const cChannel *Channel) const;
243  virtual bool ProvidesChannel(const cChannel *Channel, int Priority = IDLEPRIORITY, bool *NeedsDetachReceivers = NULL) const;
244  virtual bool ProvidesEIT(void) const;
245  virtual int NumProvidedSystems(void) const;
246  virtual const cPositioner *Positioner(void) const;
247  virtual bool SignalStats(int &Valid, double *Strength = NULL, double *Cnr = NULL, double *BerPre = NULL, double *BerPost = NULL, double *Per = NULL, int *Status = NULL) const;
248  virtual int SignalStrength(void) const;
249  virtual int SignalQuality(void) const;
250  virtual const cChannel *GetCurrentlyTunedTransponder(void) const;
251  virtual bool IsTunedToTransponder(const cChannel *Channel) const;
252  virtual bool MaySwitchTransponder(const cChannel *Channel) const;
253 protected:
254  virtual bool SetChannelDevice(const cChannel *Channel, bool LiveView);
255 public:
256  virtual bool HasLock(int TimeoutMs = 0) const;
257 
258 // PID handle facilities
259 
260 protected:
261  virtual bool SetPid(cPidHandle *Handle, int Type, bool On);
262 
263 // Section filter facilities
264 
265 protected:
266  virtual int OpenFilter(u_short Pid, u_char Tid, u_char Mask);
267  virtual void CloseFilter(int Handle);
268 
269 // Common Interface facilities:
270 
271 public:
272  virtual bool HasCi(void);
273 
274 // Audio facilities
275 
276 protected:
278 public:
279  static void SetTransferModeForDolbyDigital(int Mode); // needs to be here for backwards compatibility
285 
286 // Receiver facilities
287 
288 private:
290 protected:
291  virtual bool OpenDvr(void);
292  virtual void CloseDvr(void);
293  virtual bool GetTSPacket(uchar *&Data);
294  virtual void DetachAllReceivers(void);
295  };
296 
297 // A plugin that implements a DVB device derived from cDvbDevice needs to create
298 // a cDvbDeviceProbe derived object on the heap in order to have its Probe()
299 // function called, where it can actually create the appropriate device.
300 // The cDvbDeviceProbe object must be created in the plugin's constructor,
301 // and deleted in its destructor.
302 
303 class cDvbDeviceProbe : public cListObject {
304 public:
305  cDvbDeviceProbe(void);
306  virtual ~cDvbDeviceProbe();
307  static uint32_t GetSubsystemId(int Adapter, int Frontend);
308  virtual bool Probe(int Adapter, int Frontend) = 0;
312  };
313 
315 
316 #endif //__DVBDEVICE_H
virtual ~cDvbDeviceProbe()
Definition: dvbdevice.c:2215
cDvbTransponderParameters(const char *Parameters=NULL)
Definition: dvbdevice.c:202
unsigned char uchar
Definition: tools.h:31
virtual ~cDvbDevice()
Definition: dvbdevice.c:1616
const tDvbParameterMap GuardValues[]
Definition: dvbdevice.c:122
virtual bool ProvidesSource(int Source) const
Returns true if this device can provide the given source.
Definition: dvbdevice.c:2009
static bool Exists(int Adapter, int Frontend)
Checks whether the given adapter/frontend exists.
Definition: dvbdevice.c:1640
int CoderateH(void) const
Definition: dvbdevice.h:132
void SetTransmission(int Transmission)
Definition: dvbdevice.h:151
void SetPolarization(char Polarization)
Definition: dvbdevice.h:144
const tDvbParameterMap HierarchyValues[]
Definition: dvbdevice.c:134
const char * ParseParameter(const char *s, int &Value, const tDvbParameterMap *Map=NULL)
Definition: dvbdevice.c:236
int Modulation(void) const
Definition: dvbdevice.h:134
int SisoMiso(void) const
Definition: dvbdevice.h:142
static bool Initialize(void)
Initializes the DVB devices.
Definition: dvbdevice.c:1686
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:2174
cDvbTuner * dvbTuner
Definition: dvbdevice.h:238
int fd_dvr
Definition: dvbdevice.h:189
void UnBond(void)
Removes this device from any bonding it might have with other devices.
Definition: dvbdevice.c:1901
cTSBuffer * tsBuffer
< Controls how the DVB device handles Transfer Mode when replaying Dolby Digital audio.
Definition: dvbdevice.h:289
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:1918
virtual int SignalStrength(void) const
Returns the "strength" of the currently received signal.
Definition: dvbdevice.c:2113
cString ToString(char Type) const
Definition: dvbdevice.c:212
cDvbDeviceProbe(void)
Definition: dvbdevice.c:2210
static uint32_t GetSubsystemId(int Adapter, int Frontend)
Definition: dvbdevice.c:2220
virtual cString DeviceName(void) const
Returns a string identifying the name of this device.
Definition: dvbdevice.c:1681
bool Parse(const char *s)
Definition: dvbdevice.c:252
int Pilot(void) const
Definition: dvbdevice.h:143
virtual bool SetChannelDevice(const cChannel *Channel, bool LiveView)
Sets the device to the given channel (actual physical setup).
Definition: dvbdevice.c:2138
int DriverIndex(int Value, const tDvbParameterMap *Map)
Definition: dvbdevice.c:162
Definition: tools.h:594
const tDvbParameterMap InversionValues[]
Definition: dvbdevice.c:46
int UserIndex(int Value, const tDvbParameterMap *Map)
Definition: dvbdevice.c:151
const tDvbParameterMap ModulationValues[]
Definition: dvbdevice.c:79
int Adapter(void) const
Definition: dvbdevice.h:198
int MapToDriver(int Value, const tDvbParameterMap *Map)
Definition: dvbdevice.c:192
void SetSisoMiso(int SisoMiso)
Definition: dvbdevice.h:157
virtual int NumProvidedSystems(void) const
Returns the number of individual "delivery systems" this device provides.
Definition: dvbdevice.c:2098
bool QueryDeliverySystems(int fd_frontend)
Definition: dvbdevice.c:1744
void SetCoderateH(int CoderateH)
Definition: dvbdevice.h:147
bool needsDetachBondedReceivers
Definition: dvbdevice.h:193
void SetRollOff(int RollOff)
Definition: dvbdevice.h:154
const tDvbParameterMap BandwidthValues[]
Definition: dvbdevice.c:53
int frontend
Definition: dvbdevice.h:183
int System(void) const
Definition: dvbdevice.h:135
A steerable satellite dish generally points to the south on the northern hemisphere,...
Definition: positioner.h:31
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:2103
const tDvbParameterMap RollOffValues[]
Definition: dvbdevice.c:143
virtual cString DeviceType(void) const
Returns a string identifying the type of this device (like "DVB-S").
Definition: dvbdevice.c:1670
#define IDLEPRIORITY
Definition: config.h:47
int Bandwidth(void) const
Definition: dvbdevice.h:131
void SetT2SystemId(int T2SystemId)
Definition: dvbdevice.h:156
cCiAdapter * ciAdapter
Definition: dvbdevice.h:233
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:2093
const tDvbParameterMap CoderateValues[]
Definition: dvbdevice.c:63
static bool BondDevices(const char *Bondings)
Bonds the devices as defined in the given Bondings string.
Definition: dvbdevice.c:1828
static bool Probe(int Adapter, int Frontend)
Probes for existing DVB devices.
Definition: dvbdevice.c:1657
virtual bool SetPid(cPidHandle *Handle, int Type, bool On)
Does the actual PID setting on this device.
Definition: dvbdevice.c:1931
int Hierarchy(void) const
Definition: dvbdevice.h:138
int numModulations
Definition: dvbdevice.h:188
void SetSystem(int System)
Definition: dvbdevice.h:150
#define MAXDELIVERYSYSTEMS
Definition: dvbdevice.h:70
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:2133
const tDvbParameterMap TransmissionValues[]
Definition: dvbdevice.c:111
cDvbDevice * bondedDevice
Definition: dvbdevice.h:192
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:2108
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:2043
virtual bool Probe(int Adapter, int Frontend)=0
Probes for a DVB device at the given Adapter and creates the appropriate object derived from cDvbDevi...
virtual bool IsTunedToTransponder(const cChannel *Channel) const
Returns true if this device is currently tuned to the given Channel's transponder.
Definition: dvbdevice.c:2128
const tDvbParameterMap PilotValues[]
Definition: dvbdevice.c:39
static cMutex bondMutex
Definition: dvbdevice.h:191
Definition: ci.h:172
virtual void CloseDvr(void)
Shuts down the DVR.
Definition: dvbdevice.c:2164
char Polarization(void) const
Definition: dvbdevice.h:129
virtual void CloseFilter(int Handle)
Closes a file handle that has previously been opened by OpenFilter().
Definition: dvbdevice.c:1995
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:2019
int adapter
Definition: dvbdevice.h:183
cList< cDvbDeviceProbe > DvbDeviceProbes
Definition: dvbdevice.c:2208
int Guard(void) const
Definition: dvbdevice.h:137
int deliverySystems[MAXDELIVERYSYSTEMS]
Definition: dvbdevice.h:186
virtual const cChannel * GetCurrentlyTunedTransponder(void) const
Returns a pointer to the currently tuned transponder.
Definition: dvbdevice.c:2123
Definition: thread.h:67
virtual bool ProvidesDeliverySystem(int DeliverySystem) const
Definition: dvbdevice.c:2000
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:2155
int PrintParameter(char *p, char Name, int Value) const
Definition: dvbdevice.c:207
virtual void DetachAllReceivers(void)
Detaches all receivers from this device.
Definition: dvbdevice.c:2195
static void UnBondDevices(void)
Unbonds all devices.
Definition: dvbdevice.c:1869
static bool useDvbDevices
Definition: dvbdevice.h:177
virtual bool HasCi(void)
Returns true if this device has a Common Interface.
Definition: dvbdevice.c:1926
int CoderateL(void) const
Definition: dvbdevice.h:133
dvb_frontend_info frontendInfo
Definition: dvbdevice.h:185
const tDvbParameterMap SystemValuesSat[]
Definition: dvbdevice.c:99
const char * MapToUserString(int Value, const tDvbParameterMap *Map)
Definition: dvbdevice.c:184
virtual bool HasLock(int TimeoutMs=0) const
Returns true if the device has a lock on the requested transponder.
Definition: dvbdevice.c:2145
int T2SystemId(void) const
Definition: dvbdevice.h:141
int Frontend(void) const
Definition: dvbdevice.h:199
static int setTransferModeForDolbyDigital
Definition: dvbdevice.h:277
int MapToUser(int Value, const tDvbParameterMap *Map, const char **String=NULL)
Definition: dvbdevice.c:173
unsigned char u_char
Definition: headers.h:24
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:1877
int StreamId(void) const
Definition: dvbdevice.h:140
bool checkTsBuffer
Definition: dvbdevice.h:190
void SetStreamId(int StreamId)
Definition: dvbdevice.h:155
int RollOff(void) const
Definition: dvbdevice.h:139
void SetHierarchy(int Hierarchy)
Definition: dvbdevice.h:153
The cDvbDevice implements a DVB device which can be accessed through the Linux DVB driver API.
Definition: dvbdevice.h:167
void SetGuard(int Guard)
Definition: dvbdevice.h:152
int Transmission(void) const
Definition: dvbdevice.h:136
void SetCoderateL(int CoderateL)
Definition: dvbdevice.h:148
int Inversion(void) const
Definition: dvbdevice.h:130
Derived cDevice classes that can receive channels will have to provide Transport Stream (TS) packets ...
Definition: device.h:861
virtual int OpenFilter(u_short Pid, u_char Tid, u_char Mask)
Opens a file handle for the given filter data.
Definition: dvbdevice.c:1971
void SetInversion(int Inversion)
Definition: dvbdevice.h:145
cDvbDevice(int Adapter, int Frontend)
Definition: dvbdevice.c:1577
int numDeliverySystems
Definition: dvbdevice.h:187
const char * userString
Definition: dvbdevice.h:86
static cString DvbName(const char *Name, int Adapter, int Frontend)
Definition: dvbdevice.c:1626
int Priority(void) const
Returns the priority of the current receiving session (-MAXPRIORITY..MAXPRIORITY),...
Definition: device.c:1632
Definition: tools.h:176
static int DvbOpen(const char *Name, int Adapter, int Frontend, int Mode, bool ReportError=false)
Definition: dvbdevice.c:1631
void SetPilot(int Pilot)
Definition: dvbdevice.h:158
virtual int SignalQuality(void) const
Returns the "quality" of the currently received signal.
Definition: dvbdevice.c:2118
static void SetTransferModeForDolbyDigital(int Mode)
Definition: dvbdevice.c:2150
const tDvbParameterMap SystemValuesTerr[]
Definition: dvbdevice.c:105
void SetBandwidth(int Bandwidth)
Definition: dvbdevice.h:146
void SetModulation(int Modulation)
Definition: dvbdevice.h:149