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
219
220
221
222
223
224
|
/*
* Copyright (C) 2000-2001 the xine project
*
* This file is part of xine, a unix video player.
*
* xine 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.
*
* xine 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
*
* Read from a tcp network stream over a lan (put a tweaked mp1e encoder the
* other end and you can watch tv anywhere in the house ..)
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <stdio.h>
#include <unistd.h>
#include <fcntl.h>
#include <string.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <netdb.h>
#include <errno.h>
#include <sys/time.h>
#include "xine_internal.h"
#include "monitor.h"
#include "input_plugin.h"
static uint32_t xine_debug;
static int input_file_handle;
static int host_connect_attempt(struct in_addr ia, int port) {
int s=socket(PF_INET, SOCK_STREAM, IPPROTO_TCP);
struct sockaddr_in sin;
fd_set wfd;
struct timeval tv;
if(s==-1)
{
perror("socket");
return -1;
}
if(fcntl(s, F_SETFL, FNDELAY)==-1)
{
perror("nonblocking");
close(s);
return -1;
}
sin.sin_family = AF_INET;
sin.sin_addr = ia;
sin.sin_port = htons(port);
if(connect(s, (struct sockaddr *)&sin, sizeof(sin))==-1 && errno != EINPROGRESS)
{
perror("connect");
close(s);
return -1;
}
tv.tv_sec = 60; /* We use 60 second timeouts for now */
tv.tv_usec = 0;
FD_ZERO(&wfd);
FD_SET(s, &wfd);
switch(select(s+1, NULL, &wfd, NULL, &tv))
{
case 0:
/* Time out */
close(s);
return -1;
case -1:
/* Ermm.. ?? */
perror("select");
close(s);
return -1;
}
return s;
}
static int host_connect(const char *host, int port) {
struct hostent *h;
int i;
int s;
h=gethostbyname(host);
if(h==NULL)
{
fprintf(stderr,"unable to resolve '%s'.\n", host);
return -1;
}
for(i=0; h->h_addr_list[i]; i++)
{
struct in_addr ia;
memcpy(&ia, h->h_addr_list[i],4);
s=host_connect_attempt(ia, port);
if(s != -1)
return s;
}
fprintf(stderr, "unable to connect to '%s'.\n", host);
return -1;
}
static void input_plugin_init (void) {
input_file_handle = -1;
}
static int input_plugin_open (const char *mrl) {
char *filename;
char *pptr;
int port = 7658;
if (!strncasecmp (mrl, "tcp:",4))
filename = (char *) &mrl[4];
else
return 0;
if(strncmp(filename, "//", 2)==0)
filename+=2;
xprintf (VERBOSE|INPUT, "Opening >%s<\n", filename);
pptr=strrchr(filename, ':');
if(pptr)
{
*pptr++=0;
sscanf(pptr,"%d", &port);
}
input_file_handle = host_connect(filename, port);
if (input_file_handle == -1) {
return 0;
}
return 1;
}
static uint32_t input_plugin_read (char *buf, uint32_t nlen) {
return read (input_file_handle, buf, nlen);
}
static off_t input_plugin_seek (off_t offset, int origin) {
return -1;
}
static off_t input_plugin_get_length (void) {
return 0;
}
static uint32_t input_plugin_get_capabilities (void) {
return 0;
}
static uint32_t input_plugin_get_blocksize (void) {
return 2324;
}
static int input_plugin_eject (void) {
return 1;
}
static void input_plugin_close (void) {
close(input_file_handle);
input_file_handle = -1;
}
static char *input_plugin_get_identifier (void) {
return "TCP";
}
static int input_plugin_is_branch_possible (const char *next_mrl) {
return 0;
}
static input_plugin_t plugin_op = {
NULL,
NULL,
input_plugin_init,
input_plugin_open,
input_plugin_read,
input_plugin_seek,
input_plugin_get_length,
input_plugin_get_capabilities,
NULL,
input_plugin_get_blocksize,
input_plugin_eject,
input_plugin_close,
input_plugin_get_identifier,
NULL,
input_plugin_is_branch_possible,
NULL
};
input_plugin_t *input_plugin_getinfo(uint32_t dbglvl) {
xine_debug = dbglvl;
return &plugin_op;
}
|
