Move av_log() & friends to libavutil
[libav.git] / libavutil / log.c
CommitLineData
4b45de0e
LA
1/*
2 * log functions
3 * Copyright (c) 2003 Michel Bardiaux
4 *
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Lesser General Public
7 * License as published by the Free Software Foundation; either
8 * version 2 of the License, or (at your option) any later version.
9 *
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Lesser General Public License for more details.
14 *
15 * You should have received a copy of the GNU Lesser General Public
16 * License along with this library; if not, write to the Free Software
17 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
18 */
19
20/**
21 * @file log.c
22 * log.
23 */
24
25#include "avutil.h"
26
27static int av_log_level = AV_LOG_INFO;
28
29static void av_log_default_callback(void* ptr, int level, const char* fmt, va_list vl)
30{
31 static int print_prefix=1;
32 AVClass* avc= ptr ? *(AVClass**)ptr : NULL;
33 if(level>av_log_level)
34 return;
35#undef fprintf
36 if(print_prefix && avc) {
37 fprintf(stderr, "[%s @ %p]", avc->item_name(ptr), avc);
38 }
39#define fprintf please_use_av_log
40
41 print_prefix= strstr(fmt, "\n") != NULL;
42
43 vfprintf(stderr, fmt, vl);
44}
45
46static void (*av_log_callback)(void*, int, const char*, va_list) = av_log_default_callback;
47
48void av_log(void* avcl, int level, const char *fmt, ...)
49{
50 va_list vl;
51 va_start(vl, fmt);
52 av_vlog(avcl, level, fmt, vl);
53 va_end(vl);
54}
55
56void av_vlog(void* avcl, int level, const char *fmt, va_list vl)
57{
58 av_log_callback(avcl, level, fmt, vl);
59}
60
61int av_log_get_level(void)
62{
63 return av_log_level;
64}
65
66void av_log_set_level(int level)
67{
68 av_log_level = level;
69}
70
71void av_log_set_callback(void (*callback)(void*, int, const char*, va_list))
72{
73 av_log_callback = callback;
74}