blob: b414186a468298fecdf02e5e66165b40b48ec598 (
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
|
/*
* $Id$
*
* (C) 2002-2003 Andreas Oberritter <obi@saftware.de>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
*/
#include <lib/dvb_si/mosaic_descriptor.h>
ElementaryCellField::ElementaryCellField (const uint8_t * const buffer)
{
reserved = (buffer[0] >> 6) & 0x03;
elementaryCellId = buffer[0] & 0x3F;
}
uint8_t ElementaryCellField::getElementaryCellId(void) const
{
return elementaryCellId;
}
MosaicCell::MosaicCell (const uint8_t * const buffer)
{
logicalCellId = (buffer[0] >> 2) & 0x3F;
reserved = (((buffer[0] & 0x03) << 8) | (buffer[1] & 0xF1)) >> 3;
logicalCellPresentationInfo = buffer[1] & 0x07;
elementaryCellFieldLength = buffer[2];
for (uint16_t i = 0; i < elementaryCellFieldLength; ++i)
elementaryCellFields.push_back(new ElementaryCellField(&buffer[i + 3]));
cellLinkageInfo = buffer[elementaryCellFieldLength + 3];
switch (cellLinkageInfo) {
case 0x01:
bouquetId = (buffer[elementaryCellFieldLength + 4] << 8) | buffer[elementaryCellFieldLength + 5];
break;
case 0x02:
case 0x03:
case 0x04:
originalNetworkId = (buffer[elementaryCellFieldLength + 4] << 8) | buffer[elementaryCellFieldLength + 5];
transportStreamId = (buffer[elementaryCellFieldLength + 6] << 8) | buffer[elementaryCellFieldLength + 7];
serviceId = (buffer[elementaryCellFieldLength + 8] << 8) | buffer[elementaryCellFieldLength + 9];
break;
default:
break;
}
if (cellLinkageInfo == 0x04)
eventId = (buffer[elementaryCellFieldLength + 10] << 8) | buffer[elementaryCellFieldLength + 11];
}
MosaicCell::~MosaicCell(void)
{
for (ElementaryCellFieldIterator i = elementaryCellFields.begin(); i != elementaryCellFields.end(); ++i)
delete *i;
}
uint8_t MosaicCell::getLogicalCellId(void) const
{
return logicalCellId;
}
uint8_t MosaicCell::getLogicalCellPresentationInfo(void) const
{
return logicalCellPresentationInfo;
}
const ElementaryCellFieldVector *MosaicCell::getElementaryCellFields(void) const
{
return &elementaryCellFields;
}
uint8_t MosaicCell::getCellLinkageInfo(void) const
{
return cellLinkageInfo;
}
uint16_t MosaicCell::getBouquetId(void) const
{
return bouquetId;
}
uint16_t MosaicCell::getOriginalNetworkId(void) const
{
return originalNetworkId;
}
uint16_t MosaicCell::getTransportStreamId(void) const
{
return transportStreamId;
}
uint16_t MosaicCell::getServiceId(void) const
{
return serviceId;
}
uint16_t MosaicCell::getEventId(void) const
{
return eventId;
}
MosaicDescriptor::MosaicDescriptor(const uint8_t * const buffer) : Descriptor(buffer)
{
if (descriptorLength < 1)
return;
mosaicEntryPoint = (buffer[2] >> 7) & 0x01;
numberOfHorizontalElementaryCells = (buffer[2] >> 4) & 0x07;
reserved = (buffer[2] >> 3) & 0x01;
numberOfVerticalElementaryCells = buffer[2] & 0x07;
for (uint16_t i = 0; i < descriptorLength - 1; i += buffer[i + 6] + 2) {
mosaicCells.push_back(new MosaicCell(&buffer[i + 1]));
switch (buffer[i + 6 + buffer[i + 6] + 1]) {
case 0x01:
i += 2;
break;
case 0x02:
case 0x03:
i += 6;
break;
case 0x04:
i += 8;
break;
default:
break;
}
}
}
MosaicDescriptor::~MosaicDescriptor(void)
{
for (MosaicCellIterator i = mosaicCells.begin(); i != mosaicCells.end(); ++i)
delete *i;
}
uint8_t MosaicDescriptor::getMosaicEntryPoint(void) const
{
return mosaicEntryPoint;
}
uint8_t MosaicDescriptor::getNumberOfHorizontalElementaryCells(void) const
{
return numberOfHorizontalElementaryCells;
}
uint8_t MosaicDescriptor::getNumberOfVerticalElementaryCells(void) const
{
return numberOfVerticalElementaryCells;
}
const MosaicCellVector *MosaicDescriptor::getMosaicCells(void) const
{
return &mosaicCells;
}
|
