aboutsummaryrefslogtreecommitdiff
path: root/lib/dvb/esection.h
blob: ca63c18448d6a1ec329ca5177b6fb0e1db75e665 (plain)
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
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
#ifndef __esection_h
#define __esection_h

#include <lib/dvb/isection.h>
#include <set>

class eGTable: public virtual iObject, public Object
{
DECLARE_REF;
private:
	ePtr<iDVBSectionReader> m_reader;
	eDVBTableSpec m_table;
	
	eTimer *m_timeout;

	void sectionRead(const __u8 *data);
	void timeout();
	ePtr<eConnection> m_sectionRead_conn;
protected:
	virtual int createTable(int nr, const __u8 *data, unsigned int max)=0;
public:
	Signal1<void, int> tableReady;
	eGTable();
	RESULT start(iDVBSectionReader *reader, const eDVBTableSpec &table);
	RESULT start(iDVBDemux *reader, const eDVBTableSpec &table);
	RESULT getSpec(eDVBTableSpec &spec) { spec = m_table; return 0; }
	virtual ~eGTable();
	int error;
	int ready;
};

template <class Section>
class eTable: public eGTable
{
private:
	std::vector<Section*> sections;
	std::set<int> avail;
protected:
	int createTable(int nr, const __u8 *data, unsigned int max)
	{
		if (avail.find(nr) != avail.end())
			delete sections[nr];
		sections.resize(max);
		
		
		sections[nr] = new Section(data);
		avail.insert(nr);

		for (unsigned int i = 0; i < max; ++i)
			if (avail.find(i) != avail.end())
				printf("+");
			else
				printf("-");
				
		printf(" %d/%d\n", avail.size(), max);

		if (avail.size() == max)
			return 1;
		else
			return 0;
	}
public:
	std::vector<Section*> &getSections() { return sections; }
	eTable(): eGTable()
	{
	}
	~eTable()
	{
		for (typename std::vector<Section*>::iterator i(sections.begin()); i != sections.end(); ++i)
			delete *i;
	}
};

class eAUGTable: public Object
{
protected:
	void slotTableReady(int);
public:
	Signal1<void, int> tableReady;
	virtual void getNext(int err)=0;
};

template <class Table>
class eAUTable: public eAUGTable
{
	ePtr<Table> current, next;		// current is READY AND ERRORFREE, next is not yet ready
	int first;
	ePtr<iDVBDemux> m_demux;
	eMainloop *ml;
public:

	eAUTable()
	{
	}

	~eAUTable()
	{
		current=next=0;
	}
	
	int begin(eMainloop *m, const eDVBTableSpec &spec, ePtr<iDVBDemux> demux)
	{
		ml = m;
		m_demux = demux;
		first= 1;
		current = 0;
		next = new Table();
		CONNECT(next->tableReady, eAUTable::slotTableReady);
		next->start(demux, spec);
		return 0;
	}
	
	int get()
	{
		if (current)
		{
			/*emit*/ tableReady(0);
			return 0;
		} else if (!next)
		{
			/*emit*/ tableReady(-1);
			return 0;
		} else
			return 1;
	}
	
	RESULT getCurrent(ePtr<Table> &ptr)
	{
		if (!current)
			return -1;
		ptr = current;
		return 0;
	}

#if 0	
	void abort()
	{
		eDebug("eAUTable: aborted!");
		if (next)
			next->abort();
		delete next;
		next=0;
	}
#endif

	int ready()
	{
		return !!current;
	}
	
	void inject(Table *t)
	{
		next=t;
		getNext(0);
	}

	void getNext(int error)
	{
		current = 0;
		if (error)
		{
			next=0;
			if (first)
				/*emit*/ tableReady(error);
			first=0;
			return;
		} else
			current=next;

		next=0;
		first=0;
		
		assert(current->ready);
			
		/*emit*/ tableReady(0);
		
		eDVBTableSpec spec;

		if (current && (!current->getSpec(spec)))
		{
			next = new Table();
			CONNECT(next->tableReady, eAUTable::slotTableReady);
			spec.flags &= ~(eDVBTableSpec::tfAnyVersion|eDVBTableSpec::tfThisVersion|eDVBTableSpec::tfHaveTimeout);
			next->eGTable::start(m_demux, spec);
		}
	}
};

#endif