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
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
|
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/***************************************************************************
* mov_encoder_writer.cc
*
* Sun May 22 12:51:36 CEST 2005
* Copyright 2005 Bent Bisballe
* deva@aasimon.org
****************************************************************************/
/*
* This file is part of MIaV.
*
* MIaV 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.
*
* MIaV 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 MIaV; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
*/
/*
* $Id$
*/
/*
* $Log$
* Revision 1.6 2005/06/16 21:28:57 deva
* Rewrote thread object
* Fixed bug in mov_encoder (pushed read_sem too many times, whihc lead to
* growing server queue)
*
* Revision 1.5 2005/06/14 18:58:35 deva
* *** empty log message ***
*
* Revision 1.4 2005/06/14 12:29:40 deva
* Incorporated the use of the Info object everywhere... also using the log functionality.
*
* Revision 1.3 2005/05/26 21:32:39 deva
* *** empty log message ***
*
* Revision 1.2 2005/05/26 12:48:36 deva
* *** empty log message ***
*
* Revision 1.1 2005/05/22 15:49:22 deva
* Added multithreaded encoding support.
*
*/
#include <config.h>
#include "mov_encoder_writer.h"
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <unistd.h>
#include <pthread.h>
#include <semaphore.h>
#include <errno.h>
#include <string>
using namespace std;
#include "miav_config.h"
#include <time.h>
MovEncoderWriter::MovEncoderWriter(const char* cpr,
FramePriorityQueue *q,
sem_t *s,
pthread_mutex_t *m,
Info *i)
{
info = i;
info->info("MovEncoderWriter");
// Create path and filename
char fname[256];
string *server_root;
char birthmonth[3];
char date[32];
// Get server root
server_root = config->readString("server_root");
// Copy the bytes representing the birth month from the cpr
// [dd][mm][yy]-[nn][nn]
strncpy(birthmonth, &cpr[2], 2);
birthmonth[2] = 0;
// Create date (today) in [yyyy][mm][dd]
struct tm *ltime;
time_t t = time(NULL);
ltime = localtime(&t);
sprintf(date, "%.4d%.2d%.2d",
ltime->tm_year + 1900,
ltime->tm_mon,
ltime->tm_mday);
sprintf(fname, "%s/%s/%s/%s-%s-", server_root->c_str(), birthmonth, cpr, cpr, date);
file = new File(fname, "mpg", info);
sem = s;
queue = q;
frame_number = 0;
mutex = m;
running = true;
}
MovEncoderWriter::~MovEncoderWriter()
{
info->info("~MovEncoderWriter");
delete file;
}
void MovEncoderWriter::thread_main()
{
info->info("MovEncoderWriter::run");
Frame *frame;
while(running) {
sem_wait(sem);
// Lock output mutex
pthread_mutex_lock(mutex);
frame = queue->top();
if(frame && frame->number == frame_number) queue->pop();
pthread_mutex_unlock(mutex);
// Unlock output mutex
while(frame && (frame->number == frame_number)) {
int ret;
ret = file->Write(frame->data, frame->size);
delete frame;
if(ret == -1) return;
frame_number++;
// Lock output mutex
pthread_mutex_lock(mutex);
frame = queue->top();
if(frame && frame->number == frame_number) queue->pop();
pthread_mutex_unlock(mutex);
// Unlock output mutex
}
}
info->info("MovEncoderWriter::stop");
}
/*
void MovEncoderWriter::thread_main()
{
unsigned int howdeep = 0;
info->info("MovEncoderWriter::run");
Frame *frame;
while(running) {
sem_wait(sem);
howdeep++;
// Lock output mutex
pthread_mutex_lock(mutex);
if(queue->size() == 0) {
info->warn("1MovEncoderWriter encountered an empty queue (This shouldn't happen).");
// Unlock output mutex
pthread_mutex_unlock(mutex);
continue;
}
frame = queue->top();
if(frame->number == frame_number) queue->pop();
pthread_mutex_unlock(mutex);
// Unlock output mutex
while((frame->number == frame_number) && howdeep) {
howdeep--;
int ret;
ret = file->Write(frame->data, frame->size);
delete frame;
if(ret == -1) return;
frame_number++;
// Lock output mutex
pthread_mutex_lock(mutex);
if(queue->size() == 0) {
info->warn("2MovEncoderWriter encountered an empty queue (This shouldn't happen).");
pthread_mutex_unlock(mutex);
continue;
}
frame = queue->top();
if(frame->number == frame_number) queue->pop();
pthread_mutex_unlock(mutex);
// Unlock output mutex
}
}
info->info("MovEncoderWriter::stop");
}
*/
|
