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
|
/*
Copyright (C) 2009,2011 Her Majesty the Queen in Right of Canada
(Communications Research Center Canada)
*/
/*
This file is part of CRC-DabMux.
CRC-DabMux 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 3 of the
License, or (at your option) any later version.
CRC-DabMux 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 CRC-DabMux. If not, see <http://www.gnu.org/licenses/>.
*/
#include "dabInputFile.h"
#include <stdlib.h>
#include <stdio.h>
#include <fcntl.h>
#include <unistd.h>
#ifndef _WIN32
# define O_BINARY 0
#endif
int dabInputFileInit(void** args)
{
dabInputFileData* data = new dabInputFileData;
data->file = -1;
data->parity = false;
data->packetLength = 0;
data->packetData = new unsigned char[96];
data->enhancedPacketData = NULL;
data->enhancedPacketLength = 0;
data->enhancedPacketWaiting = 0;
*args = data;
return 0;
}
int dabInputFileOpen(void* args, const char* filename)
{
dabInputFileData* data = (dabInputFileData*)args;
data->file = open(filename, O_RDONLY | O_BINARY);
if (data->file == -1) {
perror(filename);
return -1;
}
return 0;
}
int dabInputFileRead(void* args, void* buffer, int size)
{
dabInputFileData* data = (dabInputFileData*)args;
return read(data->file, buffer, size);
}
int dabInputFileClose(void* args)
{
dabInputFileData* data = (dabInputFileData*)args;
if (data->file != -1) {
close(data->file);
}
return 0;
}
int dabInputFileClean(void** args)
{
dabInputFileData* data = (dabInputFileData*)*args;
if (data->packetData != NULL) {
delete[] data->packetData;
}
if (data->enhancedPacketData != NULL) {
for (int i = 0; i < 12; ++i) {
if (data->enhancedPacketData[i] != NULL) {
delete[] data->enhancedPacketData[i];
}
}
delete[] data->enhancedPacketData;
}
delete data;
return 0;
}
int dabInputFileRewind(void* args)
{
dabInputFileData* data = (dabInputFileData*)args;
return lseek(data->file, 0, SEEK_SET);
}
|
