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
|
/*
Copyright (C) 2009 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 "dabInputDmbFile.h"
#include "dabInputFifo.h"
#include "Dmb.h"
#include "UdpSocket.h"
#include <string.h>
#include <stdio.h>
struct dabInputDmbFileData {
FILE* file;
Dmb* dmb;
dabInputFifoStats stats;
unsigned char buffer[188];
unsigned bufferLength;
};
struct dabInputOperations dabInputDmbFileOperations = {
dabInputDmbFileInit,
dabInputDmbFileOpen,
dabInputSetbuf,
NULL,
NULL,
NULL,
dabInputDmbFileRead,
dabInputSetbitrate,
dabInputDmbFileClose,
dabInputDmbFileClean,
NULL
};
int dabInputDmbFileInit(void** args)
{
dabInputDmbFileData* input = new dabInputDmbFileData;
memset(&input->stats, 0, sizeof(input->stats));
input->stats.id = dabInputFifoData::nb++;
input->file = NULL;
input->bufferLength = 0;
input->dmb = new Dmb();
*args = input;
UdpSocket::init();
return 0;
}
int dabInputDmbFileOpen(void* args, const char* inputName)
{
int returnCode = 0;
dabInputDmbFileData* input = (dabInputDmbFileData*)args;
input->file = fopen(inputName, "r");
if (input->file == NULL) {
perror(inputName);
returnCode = -1;
}
return returnCode;;
}
int dabInputDmbFileRead(dabInputOperations* ops, void* args, void* buffer, int size)
{
int nbBytes = 0;
dabInputDmbFileData* input = (dabInputDmbFileData*)args;
dabInputFifoStats* stats = (dabInputFifoStats*)&input->stats;
input->stats.frameRecords[input->stats.frameCount].curSize = 0;
input->stats.frameRecords[input->stats.frameCount].maxSize = size;
if (input->bufferLength == 0) {
input->bufferLength = fread(input->buffer, 188, 1, input->file);
}
/* while ((nbBytes = writePacket(input->packet->getData(),
input->packet->getLength(), buffer, size, input->info))
!= 0) {
input->stats.frameRecords[input->stats.frameCount].curSize = nbBytes;
input->socket->receive(*input->packet);
}*/
while ((nbBytes = input->dmb->encode(input->buffer,
input->bufferLength * 188, buffer, size))
!= 0) {
input->stats.frameRecords[input->stats.frameCount].curSize = nbBytes;
input->bufferLength = fread(input->buffer, 188, 1, input->file);
if (input->bufferLength == 0) {
etiLog.print(TcpLog::NOTICE, "reach end of file -> rewinding\n");
if (fseek(input->file, 0, SEEK_SET) == 0) {
input->bufferLength = fread(input->buffer, 188, 1, input->file);
}
}
//++mpgFrameNb;
}
//++dmbFrameNb;
if (input->bufferLength != 0) {
input->stats.frameRecords[input->stats.frameCount].curSize = size;
}
if (++stats->frameCount == NB_RECORDS) {
etiLog.print(TcpLog::INFO, "Data subchannel usage: (%i)",
stats->id);
for (int i = 0; i < stats->frameCount; ++i) {
etiLog.print(TcpLog::INFO, " %i/%i",
stats->frameRecords[i].curSize,
stats->frameRecords[i].maxSize);
}
etiLog.print(TcpLog::INFO, "\n");
stats->frameCount = 0;
}
return size;
}
int dabInputDmbFileClose(void* args)
{
dabInputDmbFileData* input = (dabInputDmbFileData*)args;
if (input->file != NULL) {
if (fclose(input->file)) {
perror("");
return -1;
}
}
return 0;
}
int dabInputDmbFileClean(void** args)
{
dabInputDmbFileData* input = (dabInputDmbFileData*)(*args);
dabInputDmbFileClose(args);
delete input->dmb;
delete input;
return 0;
}
|
