2 * copyright (c) 2006 Michael Niedermayer <michaelni@gmx.at>
4 * This file is part of FFmpeg.
6 * FFmpeg is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * FFmpeg is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with FFmpeg; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
29 typedef struct AVCLASS AVClass;
31 const char* class_name;
32 const char* (*item_name)(void*); /* actually passing a pointer to an AVCodecContext
33 or AVFormatContext, which begin with an AVClass.
34 Needed because av_log is in libavcodec and has no visibility
35 of AVIn/OutputFormat */
36 const struct AVOption *option;
41 #define AV_LOG_QUIET -1
42 #define AV_LOG_ERROR 0
44 #define AV_LOG_DEBUG 2
45 extern int av_log_level;
48 extern void av_log(void*, int level, const char *fmt, ...) __attribute__ ((__format__ (__printf__, 3, 4)));
50 extern void av_log(void*, int level, const char *fmt, ...);
53 #if LIBAVUTIL_VERSION_INT < (50<<16)
54 extern void av_vlog(void*, int level, const char *fmt, va_list);
55 extern int av_log_get_level(void);
56 extern void av_log_set_level(int);
57 extern void av_log_set_callback(void (*)(void*, int, const char*, va_list));
58 extern void av_log_default_callback(void* ptr, int level, const char* fmt, va_list vl);
60 extern void (*av_vlog)(void*, int, const char*, va_list);