vdr  2.0.7
device.h
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1 /*
2  * device.h: The basic device interface
3  *
4  * See the main source file 'vdr.c' for copyright information and
5  * how to reach the author.
6  *
7  * $Id: device.h 2.47.1.1 2013/08/22 12:01:48 kls Exp $
8  */
9 
10 #ifndef __DEVICE_H
11 #define __DEVICE_H
12 
13 #include "channels.h"
14 #include "ci.h"
15 #include "dvbsubtitle.h"
16 #include "eit.h"
17 #include "filter.h"
18 #include "nit.h"
19 #include "pat.h"
20 #include "remux.h"
21 #include "ringbuffer.h"
22 #include "sdt.h"
23 #include "sections.h"
24 #include "spu.h"
25 #include "thread.h"
26 #include "tools.h"
27 
28 #define MAXDEVICES 16 // the maximum number of devices in the system
29 #define MAXPIDHANDLES 64 // the maximum number of different PIDs per device
30 #define MAXRECEIVERS 16 // the maximum number of receivers per device
31 #define MAXVOLUME 255
32 #define VOLUMEDELTA 5 // used to increase/decrease the volume
33 #define MAXOCCUPIEDTIMEOUT 99 // max. time (in seconds) a device may be occupied
34 
36 
37 enum ePlayMode { pmNone, // audio/video from decoder
38  pmAudioVideo, // audio/video from player
39  pmAudioOnly, // audio only from player, video from decoder
40  pmAudioOnlyBlack, // audio only from player, no video (black screen)
41  pmVideoOnly, // video only from player, audio from decoder
43  // external player (e.g. MPlayer), release the device
44  // WARNING: USE THIS MODE ONLY AS A LAST RESORT, IF YOU
45  // ABSOLUTELY, POSITIVELY CAN'T IMPLEMENT YOUR PLAYER
46  // THE WAY IT IS SUPPOSED TO WORK. FORCING THE DEVICE
47  // TO RELEASE ITS FILES HANDLES (OR WHATEVER RESOURCES
48  // IT MAY USE) TO ALLOW AN EXTERNAL PLAYER TO ACCESS
49  // THEM MEANS THAT SUCH A PLAYER WILL NEED TO HAVE
50  // DETAILED KNOWLEDGE ABOUT THE INTERNALS OF THE DEVICE
51  // IN USE. AS A CONSEQUENCE, YOUR PLAYER MAY NOT WORK
52  // IF A PARTICULAR VDR INSTALLATION USES A DEVICE NOT
53  // KNOWN TO YOUR PLAYER.
54  };
55 
58  };
59 
63  };
64 
68  ttAudioLast = ttAudioFirst + 31, // MAXAPIDS - 1
71  ttDolbyLast = ttDolbyFirst + 15, // MAXDPIDS - 1
74  ttSubtitleLast = ttSubtitleFirst + 31, // MAXSPIDS - 1
76  };
77 
78 #define IS_AUDIO_TRACK(t) (ttAudioFirst <= (t) && (t) <= ttAudioLast)
79 #define IS_DOLBY_TRACK(t) (ttDolbyFirst <= (t) && (t) <= ttDolbyLast)
80 #define IS_SUBTITLE_TRACK(t) (ttSubtitleFirst <= (t) && (t) <= ttSubtitleLast)
81 
82 struct tTrackId {
83  uint16_t id; // The PES packet id or the PID.
84  char language[MAXLANGCODE2]; // something like either "eng" or "deu+eng"
85  char description[32]; // something like "Dolby Digital 5.1"
86  };
87 
88 class cPlayer;
89 class cReceiver;
90 class cLiveSubtitle;
91 
92 class cDeviceHook : public cListObject {
93 public:
94  cDeviceHook(void);
98  virtual bool DeviceProvidesTransponder(const cDevice *Device, const cChannel *Channel) const;
100  };
101 
103 
104 class cDevice : public cThread {
105  friend class cLiveSubtitle;
106  friend class cDeviceHook;
107 private:
108  static int numDevices;
109  static int useDevice;
112 public:
113  static int NumDevices(void) { return numDevices; }
115  static bool WaitForAllDevicesReady(int Timeout = 0);
121  static void SetUseDevice(int n);
125  static bool UseDevice(int n) { return useDevice == 0 || (useDevice & (1 << n)) != 0; }
128  static bool SetPrimaryDevice(int n);
132  static cDevice *PrimaryDevice(void) { return primaryDevice; }
134  static cDevice *ActualDevice(void);
137  static cDevice *GetDevice(int Index);
141  static cDevice *GetDevice(const cChannel *Channel, int Priority, bool LiveView, bool Query = false);
160  static cDevice *GetDeviceForTransponder(const cChannel *Channel, int Priority);
165  static void Shutdown(void);
168 private:
169  static int nextCardIndex;
171 protected:
172  cDevice(void);
173  virtual ~cDevice();
174  virtual bool Ready(void);
179  static int NextCardIndex(int n = 0);
191  virtual void MakePrimaryDevice(bool On);
198 public:
199  bool IsPrimaryDevice(void) const { return this == primaryDevice && HasDecoder(); }
200  int CardIndex(void) const { return cardIndex; }
202  int DeviceNumber(void) const;
204  virtual cString DeviceType(void) const;
210  virtual cString DeviceName(void) const;
213  virtual bool HasDecoder(void) const;
215  virtual bool AvoidRecording(void) const { return false; }
218 
219 // Device hooks
220 
221 private:
223 protected:
224  bool DeviceHooksProvidesTransponder(const cChannel *Channel) const;
225 
226 // SPU facilities
227 
228 private:
231 public:
232  virtual cSpuDecoder *GetSpuDecoder(void);
235 
236 // Channel facilities
237 
238 private:
240 protected:
241  static int currentChannel;
242 public:
243  virtual bool ProvidesSource(int Source) const;
245  virtual bool ProvidesTransponder(const cChannel *Channel) const;
249  virtual bool ProvidesTransponderExclusively(const cChannel *Channel) const;
252  virtual bool ProvidesChannel(const cChannel *Channel, int Priority = IDLEPRIORITY, bool *NeedsDetachReceivers = NULL) const;
266  virtual bool ProvidesEIT(void) const;
270  virtual int NumProvidedSystems(void) const;
276  virtual int SignalStrength(void) const;
281  virtual int SignalQuality(void) const;
286  virtual const cChannel *GetCurrentlyTunedTransponder(void) const;
291  virtual bool IsTunedToTransponder(const cChannel *Channel) const;
294  virtual bool MaySwitchTransponder(const cChannel *Channel) const;
299  bool SwitchChannel(const cChannel *Channel, bool LiveView);
302  static bool SwitchChannel(int Direction);
306 private:
307  eSetChannelResult SetChannel(const cChannel *Channel, bool LiveView);
309 protected:
310  virtual bool SetChannelDevice(const cChannel *Channel, bool LiveView);
312 public:
313  static int CurrentChannel(void) { return primaryDevice ? currentChannel : 0; }
315  static void SetCurrentChannel(const cChannel *Channel) { currentChannel = Channel ? Channel->Number() : 0; }
319  void ForceTransferMode(void);
321  int Occupied(void) const;
323  void SetOccupied(int Seconds);
331  virtual bool HasLock(int TimeoutMs = 0) const;
337  virtual bool HasProgramme(void) const;
340 
341 // PID handle facilities
342 
343 private:
344  virtual void Action(void);
345 protected:
347  class cPidHandle {
348  public:
349  int pid;
351  int handle;
352  int used;
353  cPidHandle(void) { pid = streamType = used = 0; handle = -1; }
354  };
356  bool HasPid(int Pid) const;
358  bool AddPid(int Pid, ePidType PidType = ptOther, int StreamType = 0);
360  void DelPid(int Pid, ePidType PidType = ptOther);
362  virtual bool SetPid(cPidHandle *Handle, int Type, bool On);
370 public:
371  void DelLivePids(void);
373 
374 // Section filter facilities
375 
376 private:
382 protected:
383  void StartSectionHandler(void);
387  void StopSectionHandler(void);
391 public:
392  virtual int OpenFilter(u_short Pid, u_char Tid, u_char Mask);
396  virtual int ReadFilter(int Handle, void *Buffer, size_t Length);
400  virtual void CloseFilter(int Handle);
405  void AttachFilter(cFilter *Filter);
407  void Detach(cFilter *Filter);
409 
410 // Common Interface facilities:
411 
412 private:
415 public:
416  virtual bool HasCi(void);
418  virtual bool HasInternalCam(void) { return false; }
424  void SetCamSlot(cCamSlot *CamSlot);
426  cCamSlot *CamSlot(void) const { return camSlot; }
429 
430 // Image Grab facilities
431 
432 public:
433  virtual uchar *GrabImage(int &Size, bool Jpeg = true, int Quality = -1, int SizeX = -1, int SizeY = -1);
445  bool GrabImageFile(const char *FileName, bool Jpeg = true, int Quality = -1, int SizeX = -1, int SizeY = -1);
450 
451 // Video format facilities
452 
453 public:
454  virtual void SetVideoDisplayFormat(eVideoDisplayFormat VideoDisplayFormat);
458  virtual void SetVideoFormat(bool VideoFormat16_9);
461  virtual eVideoSystem GetVideoSystem(void);
464  virtual void GetVideoSize(int &Width, int &Height, double &VideoAspect);
471  virtual void GetOsdSize(int &Width, int &Height, double &PixelAspect);
482 
483 // Track facilities
484 
485 private:
495 protected:
496  virtual void SetAudioTrackDevice(eTrackType Type);
498  virtual void SetSubtitleTrackDevice(eTrackType Type);
500 public:
501  void ClrAvailableTracks(bool DescriptionsOnly = false, bool IdsOnly = false);
506  bool SetAvailableTrack(eTrackType Type, int Index, uint16_t Id, const char *Language = NULL, const char *Description = NULL);
513  const tTrackId *GetTrack(eTrackType Type);
516  int NumTracks(eTrackType FirstTrack, eTrackType LastTrack) const;
519  int NumAudioTracks(void) const;
523  int NumSubtitleTracks(void) const;
526  bool SetCurrentAudioTrack(eTrackType Type);
530  bool SetCurrentSubtitleTrack(eTrackType Type, bool Manual = false);
536  void EnsureAudioTrack(bool Force = false);
540  void EnsureSubtitleTrack(void);
543  void SetKeepTracks(bool KeepTracks) { keepTracks = KeepTracks; }
547 
548 // Audio facilities
549 
550 private:
551  bool mute;
552  int volume;
553 protected:
554  virtual int GetAudioChannelDevice(void);
557  virtual void SetAudioChannelDevice(int AudioChannel);
559  virtual void SetVolumeDevice(int Volume);
561  virtual void SetDigitalAudioDevice(bool On);
564 public:
565  bool IsMute(void) const { return mute; }
566  bool ToggleMute(void);
568  int GetAudioChannel(void);
571  void SetAudioChannel(int AudioChannel);
574  void SetVolume(int Volume, bool Absolute = false);
577  static int CurrentVolume(void) { return primaryDevice ? primaryDevice->volume : 0; }//XXX???
578 
579 // Player facilities
580 
581 private:
589 protected:
590  const cPatPmtParser *PatPmtParser(void) const { return &patPmtParser; }
593  virtual bool CanReplay(void) const;
595  virtual bool SetPlayMode(ePlayMode PlayMode);
598  virtual int PlayVideo(const uchar *Data, int Length);
605  virtual int PlayAudio(const uchar *Data, int Length, uchar Id);
613  virtual int PlaySubtitle(const uchar *Data, int Length);
620  virtual int PlayPesPacket(const uchar *Data, int Length, bool VideoOnly = false);
625  virtual int PlayTsVideo(const uchar *Data, int Length);
633  virtual int PlayTsAudio(const uchar *Data, int Length);
641  virtual int PlayTsSubtitle(const uchar *Data, int Length);
649 public:
650  virtual int64_t GetSTC(void);
661  virtual bool IsPlayingVideo(void) const { return isPlayingVideo; }
664  virtual cRect CanScaleVideo(const cRect &Rect, int Alignment = taCenter) { return cRect::Null; }
685  virtual void ScaleVideo(const cRect &Rect = cRect::Null) {}
693  virtual bool HasIBPTrickSpeed(void) { return false; }
696  virtual void TrickSpeed(int Speed);
706  virtual void Clear(void);
710  virtual void Play(void);
713  virtual void Freeze(void);
715  virtual void Mute(void);
719  virtual void StillPicture(const uchar *Data, int Length);
725  virtual bool Poll(cPoller &Poller, int TimeoutMs = 0);
730  virtual bool Flush(int TimeoutMs = 0);
736  virtual int PlayPes(const uchar *Data, int Length, bool VideoOnly = false);
746  virtual int PlayTs(const uchar *Data, int Length, bool VideoOnly = false);
762  bool Replaying(void) const;
764  bool Transferring(void) const;
766  void StopReplay(void);
768  bool AttachPlayer(cPlayer *Player);
770  void Detach(cPlayer *Player);
772 
773 // Receiver facilities
774 
775 private:
778 public:
779  int Priority(void) const;
782 protected:
783  virtual bool OpenDvr(void);
786  virtual void CloseDvr(void);
788  virtual bool GetTSPacket(uchar *&Data);
795 public:
796  bool Receiving(bool Dummy = false) const;
798  bool AttachReceiver(cReceiver *Receiver);
800  void Detach(cReceiver *Receiver);
802  void DetachAll(int Pid);
804  virtual void DetachAllReceivers(void);
806  };
807 
815 
816 class cTSBuffer : public cThread {
817 private:
818  int f;
820  bool delivered;
822  virtual void Action(void);
823 public:
824  cTSBuffer(int File, int Size, int CardIndex);
825  ~cTSBuffer();
826  uchar *Get(void);
827  };
828 
829 #endif //__DEVICE_H
cEitFilter * eitFilter
Definition: device.h:378
static int nextCardIndex
Definition: device.h:169
cPatPmtParser patPmtParser
Definition: device.h:583
virtual int SignalQuality(void) const
Returns the "quality" of the currently received signal.
Definition: device.c:675
int cardIndex
Definition: device.h:819
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:125
virtual bool ProvidesChannel(const cChannel *Channel, int Priority=IDLEPRIORITY, bool *NeedsDetachReceivers=NULL) const
Returns true if this device can provide the given channel.
Definition: device.c:655
bool Replaying(void) const
Returns true if we are currently replaying.
Definition: device.c:1210
unsigned char uchar
Definition: tools.h:30
int DeviceNumber(void) const
Returns the number of this device (0 ... numDevices).
Definition: device.c:160
virtual eVideoSystem GetVideoSystem(void)
Returns the video system of the currently displayed material (default is PAL).
Definition: device.c:433
cTsToPes tsToPesTeletext
Definition: device.h:587
int Number(void) const
Definition: channels.h:191
cNitFilter * nitFilter
Definition: device.h:381
void SetOccupied(int Seconds)
Sets the occupied timeout for this device to the given number of Seconds, This can be used to tune a ...
Definition: device.c:840
Definition: device.h:66
cPlayer * player
Definition: device.h:582
bool ToggleMute(void)
Turns the volume off or on and returns the new mute state.
Definition: device.c:886
eSetChannelResult
Definition: device.h:35
int Index(void) const
Definition: tools.c:1920
virtual const cChannel * GetCurrentlyTunedTransponder(void) const
Returns a pointer to the currently tuned transponder.
Definition: device.c:680
bool GrabImageFile(const char *FileName, bool Jpeg=true, int Quality=-1, int SizeX=-1, int SizeY=-1)
Calls GrabImage() and stores the resulting image in a file with the given name.
Definition: device.c:379
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: device.c:660
bool Receiving(bool Dummy=false) const
Returns true if we are currently receiving. The parameter has no meaning (for backwards compatibility...
Definition: device.c:1575
int NumTracks(eTrackType FirstTrack, eTrackType LastTrack) const
Returns the number of tracks in the given range that are currently available.
Definition: device.c:985
cSdtFilter * sdtFilter
Definition: device.h:380
cRingBufferLinear * ringBuffer
Definition: device.h:821
virtual void TrickSpeed(int Speed)
Sets the device into a mode where replay is done slower.
Definition: device.c:1121
void DetachAll(int Pid)
Detaches all receivers from this device for this pid.
Definition: device.c:1722
Definition: eit.h:15
virtual int OpenFilter(u_short Pid, u_char Tid, u_char Mask)
Opens a file handle for the given filter data.
Definition: device.c:598
char description[32]
Definition: device.h:85
int f
Definition: device.h:818
virtual bool SetPlayMode(ePlayMode PlayMode)
Sets the device into the given play mode.
Definition: device.c:1111
bool DeviceHooksProvidesTransponder(const cChannel *Channel) const
Definition: device.c:630
cReceiver * receiver[MAXRECEIVERS]
Definition: device.h:777
Definition: sdt.h:16
virtual void GetVideoSize(int &Width, int &Height, double &VideoAspect)
Returns the Width, Height and VideoAspect ratio of the currently displayed video material.
Definition: device.c:438
virtual int ReadFilter(int Handle, void *Buffer, size_t Length)
Reads data from a handle for the given filter.
Definition: device.c:603
Definition: nit.h:19
void SetCamSlot(cCamSlot *CamSlot)
Sets the given CamSlot to be used with this device.
Definition: device.c:360
bool mute
Definition: device.h:551
virtual void MakePrimaryDevice(bool On)
Informs a device that it will be the primary device.
Definition: device.c:179
#define MAXDEVICES
Definition: device.h:28
virtual void SetVideoDisplayFormat(eVideoDisplayFormat VideoDisplayFormat)
Sets the video display format to the given one (only useful if this device has an MPEG decoder)...
Definition: device.c:406
void Detach(cFilter *Filter)
Detaches the given filter from this device.
Definition: device.c:619
static cDevice * GetDevice(int Index)
Gets the device with the given Index.
Definition: device.c:222
int cardIndex
Definition: device.h:170
void DelPid(int Pid, ePidType PidType=ptOther)
Deletes a PID from the set of PIDs this device shall receive.
Definition: device.c:528
bool AttachReceiver(cReceiver *Receiver)
Attaches the given receiver to this device.
Definition: device.c:1655
static int currentChannel
Definition: device.h:241
bool SetAvailableTrack(eTrackType Type, int Index, uint16_t Id, const char *Language=NULL, const char *Description=NULL)
Sets the track of the given Type and Index to the given values.
Definition: device.c:951
int volume
Definition: device.h:552
virtual void Play(void)
Sets the device into play mode (after a previous trick mode).
Definition: device.c:1132
bool autoSelectPreferredSubtitleLanguage
Definition: device.h:492
Definition: device.h:65
static int NumDevices(void)
Returns the total number of devices.
Definition: device.h:113
virtual void Action(void)
A derived cThread class must implement the code it wants to execute as a separate thread in this func...
Definition: device.c:1588
virtual void GetOsdSize(int &Width, int &Height, double &PixelAspect)
Returns the Width, Height and PixelAspect ratio the OSD should use to best fit the resolution of the ...
Definition: device.c:445
eTrackType GetCurrentSubtitleTrack(void) const
Definition: device.h:529
virtual void Clear(void)
Clears all video and audio data from the device.
Definition: device.c:1125
virtual int PlayTsAudio(const uchar *Data, int Length)
Plays the given data block as audio.
Definition: device.c:1447
eTrackType
Definition: device.h:65
void DelLivePids(void)
Deletes the live viewing PIDs.
Definition: device.c:563
Definition: device.h:37
void AttachFilter(cFilter *Filter)
Attaches the given filter to this device.
Definition: device.c:613
int NumAudioTracks(void) const
Returns the number of audio tracks that are currently available.
Definition: device.c:995
virtual bool HasIBPTrickSpeed(void)
Returns true if this device can handle all frames in 'fast forward' trick speeds. ...
Definition: device.h:693
virtual void SetVideoFormat(bool VideoFormat16_9)
Sets the output video format to either 16:9 or 4:3 (only useful if this device has an MPEG decoder)...
Definition: device.c:429
virtual int PlayPesPacket(const uchar *Data, int Length, bool VideoOnly=false)
Plays the single PES packet in Data with the given Length.
Definition: device.c:1294
cTsToPes tsToPesSubtitle
Definition: device.h:586
eTrackType currentSubtitleTrack
Definition: device.h:488
virtual int GetAudioChannelDevice(void)
Gets the current audio channel, which is stereo (0), mono left (1) or mono right (2).
Definition: device.c:861
virtual void Mute(void)
Turns off audio while replaying.
Definition: device.c:1146
virtual cRect CanScaleVideo(const cRect &Rect, int Alignment=taCenter)
Asks the output device whether it can scale the currently shown video in such a way that it fits into...
Definition: device.h:664
Definition: filter.h:41
cTSBuffer(int File, int Size, int CardIndex)
Definition: device.c:1743
Definition: osd.h:158
bool SetCurrentAudioTrack(eTrackType Type)
Sets the current audio track to the given Type.
Definition: device.c:1005
static int NextCardIndex(int n=0)
Calculates the next card index.
Definition: device.c:148
static int CurrentVolume(void)
Definition: device.h:577
bool IsPrimaryDevice(void) const
Definition: device.h:199
virtual bool Ready(void)
Returns true if this device is ready.
Definition: device.c:1570
void EnsureSubtitleTrack(void)
Makes sure one of the preferred language subtitle tracks is selected.
Definition: device.c:1084
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:426
bool Transferring(void) const
Returns true if we are currently in Transfer Mode.
Definition: device.c:1215
cDeviceHook(void)
Creates a new device hook object.
Definition: device.c:51
virtual int SignalStrength(void) const
Returns the "strength" of the currently received signal.
Definition: device.c:670
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:690
virtual void Freeze(void)
Puts the device into "freeze frame" mode.
Definition: device.c:1139
int pre_1_3_19_PrivateStream
Definition: device.h:494
virtual cString DeviceName(void) const
Returns a string identifying the name of this device.
Definition: device.c:174
cPatFilter * patFilter
Definition: device.h:379
Definition: player.h:16
tTrackId availableTracks[ttMaxTrackTypes]
Definition: device.h:486
#define IDLEPRIORITY
Definition: config.h:45
virtual bool DeviceProvidesTransponder(const cDevice *Device, const cChannel *Channel) const
Returns true if the given Device can provide the given Channel's transponder.
Definition: device.c:56
static int CurrentChannel(void)
Returns the number of the current channel on the primary device.
Definition: device.h:313
virtual int NumProvidedSystems(void) const
Returns the number of individual "delivery systems" this device provides.
Definition: device.c:665
bool isPlayingVideo
Definition: device.h:588
void StartSectionHandler(void)
A derived device that provides section data must call this function (typically in its constructor) to...
Definition: device.c:571
time_t startScrambleDetection
Definition: device.h:413
virtual void SetVolumeDevice(int Volume)
Sets the audio volume on this device (Volume = 0...255).
Definition: device.c:870
void StopSectionHandler(void)
A device that has called StartSectionHandler() must call this function (typically in its destructor) ...
Definition: device.c:582
void SetVolume(int Volume, bool Absolute=false)
Sets the volume to the given value, either absolutely or relative to the current volume.
Definition: device.c:915
virtual cSpuDecoder * GetSpuDecoder(void)
Returns a pointer to the device's SPU decoder (or NULL, if this device doesn't have an SPU decoder)...
Definition: device.c:209
cMutex mutexCurrentSubtitleTrack
Definition: device.h:490
Definition: osd.h:348
cDevice(void)
Definition: device.c:74
bool SwitchChannel(const cChannel *Channel, bool LiveView)
Switches the device to the given Channel, initiating transfer mode if necessary.
Definition: device.c:695
virtual bool IsPlayingVideo(void) const
Returns true if the currently attached player has delivered any video packets.
Definition: device.h:661
virtual ~cDevice()
Definition: device.c:116
cTsToPes tsToPesVideo
Definition: device.h:584
virtual void CloseDvr(void)
Shuts down the DVR.
Definition: device.c:1646
virtual bool HasLock(int TimeoutMs=0) const
Returns true if the device has a lock on the requested transponder.
Definition: device.c:851
cTsToPes tsToPesAudio
Definition: device.h:585
virtual bool SetChannelDevice(const cChannel *Channel, bool LiveView)
Sets the device to the given channel (actual physical setup).
Definition: device.c:846
cCamSlot * camSlot
Definition: device.h:414
void ClrAvailableTracks(bool DescriptionsOnly=false, bool IdsOnly=false)
Clears the list of currently available tracks.
Definition: device.c:928
eVideoDisplayFormat
Definition: device.h:60
virtual bool HasProgramme(void) const
Returns true if the device is currently showing any programme to the user, either through replaying o...
Definition: device.c:856
bool delivered
Definition: device.h:820
Definition: ci.h:125
virtual uchar * GrabImage(int &Size, bool Jpeg=true, int Quality=-1, int SizeX=-1, int SizeY=-1)
Grabs the currently visible screen image.
Definition: device.c:374
static cDevice * primaryDevice
Definition: device.h:111
virtual void DetachAllReceivers(void)
Detaches all receivers from this device.
Definition: device.c:1734
static int numDevices
Definition: device.h:108
virtual void SetAudioChannelDevice(int AudioChannel)
Sets the audio channel to stereo (0), mono left (1) or mono right (2).
Definition: device.c:866
virtual bool SetPid(cPidHandle *Handle, int Type, bool On)
Does the actual PID setting on this device.
Definition: device.c:558
cSectionHandler * sectionHandler
Definition: device.h:377
int Occupied(void) const
Returns the number of seconds this device is still occupied for.
Definition: device.c:834
ePlayMode
Definition: device.h:37
eTrackType currentAudioTrack
Definition: device.h:487
Definition: thread.h:63
static bool WaitForAllDevicesReady(int Timeout=0)
Waits until all devices have become ready, or the given Timeout (seconds) has expired.
Definition: device.c:126
static const cRect Null
Definition: osd.h:353
virtual int PlayPes(const uchar *Data, int Length, bool VideoOnly=false)
Plays all valid PES packets in Data with the given Length.
Definition: device.c:1399
eVideoSystem
Definition: device.h:56
virtual void ScaleVideo(const cRect &Rect=cRect::Null)
Scales the currently shown video in such a way that it fits into the given Rect.
Definition: device.h:685
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: device.c:641
#define MAXLANGCODE2
Definition: channels.h:41
virtual bool AvoidRecording(void) const
Returns true if this device should only be used for recording if no other device is available...
Definition: device.h:215
virtual void Action(void)
A derived cThread class must implement the code it wants to execute as a separate thread in this func...
Definition: device.c:1761
virtual void CloseFilter(int Handle)
Closes a file handle that has previously been opened by OpenFilter().
Definition: device.c:608
virtual bool OpenDvr(void)
Opens the DVR of this device and prepares it to deliver a Transport Stream for use in a cReceiver...
Definition: device.c:1641
virtual bool Flush(int TimeoutMs=0)
Returns true if the device's output buffers are empty, i.
Definition: device.c:1272
const cPatPmtParser * PatPmtParser(void) const
Returns a pointer to the patPmtParser, so that a derived device can use the stream information from i...
Definition: device.h:590
int CardIndex(void) const
Returns the card index of this device (0 ... MAXDEVICES - 1).
Definition: device.h:200
virtual cString DeviceType(void) const
Returns a string identifying the type of this device (like "DVB-S").
Definition: device.c:169
int Priority(void) const
Returns the priority of the current receiving session (-MAXPRIORITY..MAXPRIORITY), or IDLEPRIORITY if no receiver is currently active.
Definition: device.c:1557
virtual int PlayTsVideo(const uchar *Data, int Length)
Plays the given data block as video.
Definition: device.c:1428
Definition: device.h:69
static cDevice * GetDeviceForTransponder(const cChannel *Channel, int Priority)
Returns a device that is not currently "occupied" and can be tuned to the transponder of the given Ch...
Definition: device.c:335
virtual int PlayAudio(const uchar *Data, int Length, uchar Id)
Plays the given data block as audio.
Definition: device.c:1282
cMutex mutexReceiver
Definition: device.h:776
virtual int PlayTs(const uchar *Data, int Length, bool VideoOnly=false)
Plays the given TS packet.
Definition: device.c:1477
Definition: pat.h:19
virtual void SetSubtitleTrackDevice(eTrackType Type)
Sets the current subtitle track to the given value.
Definition: device.c:882
static int useDevice
Definition: device.h:109
Definition: device.h:56
void EnsureAudioTrack(bool Force=false)
Makes sure an audio track is selected that is actually available.
Definition: device.c:1051
static cDevice * PrimaryDevice(void)
Returns the primary device.
Definition: device.h:132
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: device.c:1650
cLiveSubtitle * liveSubtitle
Definition: device.h:229
~cTSBuffer()
Definition: device.c:1755
eSetChannelResult SetChannel(const cChannel *Channel, bool LiveView)
Sets the device to the given channel (general setup).
Definition: device.c:746
static bool SetPrimaryDevice(int n)
Sets the primary device to 'n'.
Definition: device.c:187
void StopReplay(void)
Stops the current replay session (if any).
Definition: device.c:1258
const tTrackId * GetTrack(eTrackType Type)
Returns a pointer to the given track id, or NULL if Type is not less than ttMaxTrackTypes.
Definition: device.c:980
unsigned char u_char
Definition: headers.h:24
int GetAudioChannel(void)
Gets the current audio channel, which is stereo (0), mono left (1) or mono right (2).
Definition: device.c:903
static cList< cDeviceHook > deviceHooks
Definition: device.h:222
static void SetCurrentChannel(const cChannel *Channel)
Sets the number of the current channel on the primary device, without actually switching to it...
Definition: device.h:315
virtual bool Poll(cPoller &Poller, int TimeoutMs=0)
Returns true if the device itself or any of the file handles in Poller is ready for further action...
Definition: device.c:1267
virtual int64_t GetSTC(void)
Gets the current System Time Counter, which can be used to synchronize audio, video and subtitles...
Definition: device.c:1116
virtual bool ProvidesTransponderExclusively(const cChannel *Channel) const
Returns true if this is the only device that is able to provide the given channel's transponder...
Definition: device.c:646
int currentAudioTrackMissingCount
Definition: device.h:491
virtual bool IsTunedToTransponder(const cChannel *Channel) const
Returns true if this device is currently tuned to the given Channel's transponder.
Definition: device.c:685
Definition: thread.h:77
bool AttachPlayer(cPlayer *Player)
Attaches the given player to this device.
Definition: device.c:1220
time_t occupiedTimeout
Definition: device.h:239
static void Shutdown(void)
Closes down all devices.
Definition: device.c:365
cMutex mutexCurrentAudioTrack
Definition: device.h:489
static cDevice * ActualDevice(void)
Returns the actual receiving device in case of Transfer Mode, or the primary device otherwise...
Definition: device.c:214
uchar * Get(void)
Definition: device.c:1783
void SetKeepTracks(bool KeepTracks)
Controls whether the current audio and subtitle track settings shall be kept as they currently are...
Definition: device.h:543
virtual bool CanReplay(void) const
Returns true if this device can currently start a replay session.
Definition: device.c:1106
char language[MAXLANGCODE2]
Definition: device.h:84
bool HasPid(int Pid) const
Returns true if this device is currently receiving the given PID.
Definition: device.c:455
virtual bool ProvidesSource(int Source) const
Returns true if this device can provide the given source.
Definition: device.c:625
virtual bool HasDecoder(void) const
Tells whether this device has an MPEG decoder.
Definition: device.c:204
Definition: device.h:35
virtual int PlayTsSubtitle(const uchar *Data, int Length)
Plays the given data block as a subtitle.
Definition: device.c:1463
void SetAudioChannel(int AudioChannel)
Sets the audio channel to stereo (0), mono left (1) or mono right (2).
Definition: device.c:909
virtual int PlaySubtitle(const uchar *Data, int Length)
Plays the given data block as a subtitle.
Definition: device.c:1287
void ForceTransferMode(void)
Forces the device into transfermode for the current channel.
Definition: device.c:825
#define MAXPIDHANDLES
Definition: device.h:29
#define MAXRECEIVERS
Definition: device.h:30
bool SetCurrentSubtitleTrack(eTrackType Type, bool Manual=false)
Sets the current subtitle track to the given Type.
Definition: device.c:1023
ePidType
Definition: device.h:346
bool keepTracks
Definition: device.h:493
Definition: tools.h:347
Derived cDevice classes that can receive channels will have to provide Transport Stream (TS) packets ...
Definition: device.h:816
virtual void StillPicture(const uchar *Data, int Length)
Displays the given I-frame as a still picture.
Definition: device.c:1151
Definition: device.h:57
cDvbSubtitleConverter * dvbSubtitleConverter
Definition: device.h:230
eTrackType GetCurrentAudioTrack(void) const
Definition: device.h:525
virtual int PlayVideo(const uchar *Data, int Length)
Plays the given data block as video.
Definition: device.c:1277
cPidHandle pidHandles[MAXPIDHANDLES]
Definition: device.h:355
virtual void SetDigitalAudioDevice(bool On)
Tells the actual device that digital audio output shall be switched on or off.
Definition: device.c:874
int NumSubtitleTracks(void) const
Returns the number of subtitle tracks that are currently available.
Definition: device.c:1000
static void SetUseDevice(int n)
Sets the 'useDevice' flag of the given device.
Definition: device.c:142
virtual bool HasCi(void)
Returns true if this device has a Common Interface.
Definition: device.c:355
bool AddPid(int Pid, ePidType PidType=ptOther, int StreamType=0)
Adds a PID to the set of PIDs this device shall receive.
Definition: device.c:464
The cDevice class is the base from which actual devices can be derived.
Definition: device.h:104
virtual bool HasInternalCam(void)
Returns true if this device handles encrypted channels itself without VDR assistance.
Definition: device.h:418
Definition: tools.h:166
virtual void SetAudioTrackDevice(eTrackType Type)
Sets the current audio track to the given value.
Definition: device.c:878
bool IsMute(void) const
Definition: device.h:565
static cDevice * device[MAXDEVICES]
Definition: device.h:110
uint16_t id
Definition: device.h:83