1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
|
/*
* dvbdevice.h: The DVB device tuner interface
*
* See the main source file 'vdr.c' for copyright information and
* how to reach the author.
*
* $Id: dvbdevice.h 2.10 2009/12/31 15:38:05 kls Exp $
*/
#ifndef __DVBDEVICE_H
#define __DVBDEVICE_H
#include <sys/mman.h> // FIXME: workaround for broken linux-dvb header files
#include <linux/dvb/frontend.h>
#include <linux/dvb/version.h>
#include "device.h"
#if DVB_API_VERSION < 5
#error VDR requires Linux DVB driver API version 5.0 or higher!
#endif
#define MAXDVBDEVICES 8
#define DEV_VIDEO "/dev/video"
#define DEV_DVB_ADAPTER "/dev/dvb/adapter"
#define DEV_DVB_OSD "osd"
#define DEV_DVB_FRONTEND "frontend"
#define DEV_DVB_DVR "dvr"
#define DEV_DVB_DEMUX "demux"
#define DEV_DVB_VIDEO "video"
#define DEV_DVB_AUDIO "audio"
#define DEV_DVB_CA "ca"
class cDvbTuner;
/// The cDvbDevice implements a DVB device which can be accessed through the Linux DVB driver API.
class cDvbDevice : public cDevice {
protected:
static cString DvbName(const char *Name, int n);
static int DvbOpen(const char *Name, int n, int Mode, bool ReportError = false);
private:
static bool Probe(int Adapter);
///< Probes for existing DVB devices.
public:
static bool Initialize(void);
///< Initializes the DVB devices.
///< Must be called before accessing any DVB functions.
///< \return True if any devices are available.
private:
dvb_frontend_info frontendInfo;
int numProvidedSystems;
fe_delivery_system frontendType;
int fd_dvr, fd_ca;
public:
cDvbDevice(int n);
virtual ~cDvbDevice();
virtual bool Ready(void);
// Common Interface facilities:
private:
cCiAdapter *ciAdapter;
// Channel facilities
private:
cDvbTuner *dvbTuner;
public:
virtual bool ProvidesSource(int Source) const;
virtual bool ProvidesTransponder(const cChannel *Channel) const;
virtual bool ProvidesChannel(const cChannel *Channel, int Priority = -1, bool *NeedsDetachReceivers = NULL) const;
virtual int NumProvidedSystems(void) const;
virtual bool IsTunedToTransponder(const cChannel *Channel);
protected:
virtual bool SetChannelDevice(const cChannel *Channel, bool LiveView);
public:
virtual bool HasLock(int TimeoutMs = 0);
// PID handle facilities
protected:
virtual bool SetPid(cPidHandle *Handle, int Type, bool On);
// Section filter facilities
protected:
virtual int OpenFilter(u_short Pid, u_char Tid, u_char Mask);
virtual void CloseFilter(int Handle);
// Common Interface facilities:
public:
virtual bool HasCi(void);
// Audio facilities
protected:
static int setTransferModeForDolbyDigital;
public:
static void SetTransferModeForDolbyDigital(int Mode); // needs to be here for backwards compatibilty
///< Controls how the DVB device handles Transfer Mode when replaying
///< Dolby Digital audio.
///< 0 = don't set "audio bypass" in driver/firmware, don't force Transfer Mode
///< 1 = set "audio bypass" in driver/firmware, force Transfer Mode (default)
///< 2 = don't set "audio bypass" in driver/firmware, force Transfer Mode
// Receiver facilities
private:
cTSBuffer *tsBuffer;
protected:
virtual bool OpenDvr(void);
virtual void CloseDvr(void);
virtual bool GetTSPacket(uchar *&Data);
};
// A plugin that implements a DVB device derived from cDvbDevice needs to create
// a cDvbDeviceProbe derived object on the heap in order to have its Probe()
// function called, where it can actually create the appropriate device.
// The cDvbDeviceProbe object must be created in the plugin's constructor,
// and deleted in its destructor.
class cDvbDeviceProbe : public cListObject {
public:
cDvbDeviceProbe(void);
virtual ~cDvbDeviceProbe();
virtual bool Probe(int Adapter) = 0;
///< Probes for a DVB device at the given Adapter and creates the appropriate
///< object derived from cDvbDevice if applicable.
///< Returns true if a device has been created.
};
extern cList<cDvbDeviceProbe> DvbDeviceProbes;
#endif //__DVBDEVICE_H
|
