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
|
/*
* log functions
* Copyright (c) 2003 Michel Bardiaux
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
/**
* @file log.c
* log.
*/
#include "avutil.h"
int av_log_level = AV_LOG_INFO;
static void av_log_default_callback(void* ptr, int level, const char* fmt, va_list vl)
{
static int print_prefix=1;
AVClass* avc= ptr ? *(AVClass**)ptr : NULL;
if(level>av_log_level)
return;
#undef fprintf
if(print_prefix && avc) {
fprintf(stderr, "[%s @ %p]", avc->item_name(ptr), avc);
}
#define fprintf please_use_av_log
print_prefix= strstr(fmt, "\n") != NULL;
vfprintf(stderr, fmt, vl);
}
#if LIBAVUTIL_VERSION_INT < (50<<16)
static void (*av_log_callback)(void*, int, const char*, va_list) = av_log_default_callback;
#else
void (*av_vlog)(void*, int, const char*, va_list) = av_log_default_callback;
#endif
void av_log(void* avcl, int level, const char *fmt, ...)
{
va_list vl;
va_start(vl, fmt);
av_vlog(avcl, level, fmt, vl);
va_end(vl);
}
#if LIBAVUTIL_VERSION_INT < (50<<16)
void av_vlog(void* avcl, int level, const char *fmt, va_list vl)
{
av_log_callback(avcl, level, fmt, vl);
}
int av_log_get_level(void)
{
return av_log_level;
}
void av_log_set_level(int level)
{
av_log_level = level;
}
void av_log_set_callback(void (*callback)(void*, int, const char*, va_list))
{
av_log_callback = callback;
}
#endif
|
