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/*
* copyright (c) 2006 Michael Niedermayer <michaelni@gmx.at>
*
* This file is part of FFmpeg.
*
* FFmpeg 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 2.1 of the License, or (at your option) any later version.
*
* FFmpeg 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 FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef LOG_H
#define LOG_H
#include <stdarg.h>
/**
* Used by av_log
*/
typedef struct AVCLASS AVClass;
struct AVCLASS {
const char* class_name;
const char* (*item_name)(void*); /* actually passing a pointer to an AVCodecContext
or AVFormatContext, which begin with an AVClass.
Needed because av_log is in libavcodec and has no visibility
of AVIn/OutputFormat */
const struct AVOption *option;
};
/* av_log API */
#define AV_LOG_QUIET -1
#define AV_LOG_ERROR 0
#define AV_LOG_INFO 1
#define AV_LOG_DEBUG 2
extern int av_log_level;
#ifdef __GNUC__
extern void av_log(void*, int level, const char *fmt, ...) __attribute__ ((__format__ (__printf__, 3, 4)));
#else
extern void av_log(void*, int level, const char *fmt, ...);
#endif
#if LIBAVUTIL_VERSION_INT < (50<<16)
extern void av_vlog(void*, int level, const char *fmt, va_list);
extern int av_log_get_level(void);
extern void av_log_set_level(int);
extern void av_log_set_callback(void (*)(void*, int, const char*, va_list));
extern void av_log_default_callback(void* ptr, int level, const char* fmt, va_list vl);
#else
extern void (*av_vlog)(void*, int, const char*, va_list);
#endif
#endif /* LOG_H */
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