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) 2000-2003 the xine project
*
* This file is part of xine, a free 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
*
* stream metainfo helper functions
* hide some xine engine details from demuxers and reduce code duplication
*
* $id$
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <string.h>
#include "info_helper.h"
/* Remove trailing separator chars (\n,\r,\t, space,...)
* at the end of the string
*/
static void chomp (char *str) {
int i, len;
len = strlen(str);
if (!len)
return;
i = len - 1;
while (((unsigned char)str[i] <= 32) && (i >= 0)) {
str[i] = 0;
i--;
}
}
static int info_valid(int info) {
if ((info >= 0) && (info < XINE_STREAM_INFO_MAX)) {
return 1;
} else {
fprintf(stderr, "Error: invalid STREAM_INFO %d. Ignored.\n", info);
return 0;
}
}
static int meta_valid(int info) {
if ((info >= 0) && (info < XINE_STREAM_INFO_MAX)) {
return 1;
} else {
fprintf(stderr, "Error: invalid META_INFO %d. Ignored.\n", info);
return 0;
}
}
void xine_set_stream_info(xine_stream_t *stream, int info, int value) {
if(info_valid(info))
stream->stream_info [info] = value;
}
void xine_clear_meta_info(xine_stream_t *stream, int info) {
if(meta_valid(info) && stream->meta_info [info]) {
free(stream->meta_info [info]);
stream->meta_info [info] = NULL;
}
}
void xine_set_meta_info(xine_stream_t *stream, int info, const char *str) {
if(str && meta_valid(info)) {
xine_clear_meta_info(stream, info);
stream->meta_info [info] = strdup(str);
chomp(stream->meta_info [info]);
}
}
void xine_set_metan_info(xine_stream_t *stream, int info, const char *buf,
int len) {
if(meta_valid(info)) {
char *tmp;
xine_clear_meta_info(stream, info);
if(len) {
tmp = malloc(len + 1);
xine_fast_memcpy(tmp, buf, len);
tmp[len] = '\0';
stream->meta_info [info] = tmp;
chomp(stream->meta_info [info]);
}
}
}
|
