libavutil/log.h

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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 AVUTIL_LOG_H
#define AVUTIL_LOG_H

#include <stdarg.h>
#include "avutil.h"

typedef struct AVCLASS AVClass;
struct AVCLASS {
    const char* class_name;

    const char* (*item_name)(void* ctx);

    const struct AVOption *option;
};

/* av_log API */

#if LIBAVUTIL_VERSION_INT < (50<<16)
#define AV_LOG_QUIET -1
#define AV_LOG_FATAL 0
#define AV_LOG_ERROR 0
#define AV_LOG_WARNING 1
#define AV_LOG_INFO 1
#define AV_LOG_VERBOSE 1
#define AV_LOG_DEBUG 2
#else
#define AV_LOG_QUIET    -8

#define AV_LOG_PANIC     0

#define AV_LOG_FATAL     8

#define AV_LOG_ERROR    16

#define AV_LOG_WARNING  24

#define AV_LOG_INFO     32
#define AV_LOG_VERBOSE  40

#define AV_LOG_DEBUG    48
#endif

#if LIBAVUTIL_VERSION_INT < (50<<16)
extern int av_log_level;
#endif

#ifdef __GNUC__
void av_log(void*, int level, const char *fmt, ...) __attribute__ ((__format__ (__printf__, 3, 4)));
#else
void av_log(void*, int level, const char *fmt, ...);
#endif

void av_vlog(void*, int level, const char *fmt, va_list);
int av_log_get_level(void);
void av_log_set_level(int);
void av_log_set_callback(void (*)(void*, int, const char*, va_list));
void av_log_default_callback(void* ptr, int level, const char* fmt, va_list vl);

#endif /* AVUTIL_LOG_H */

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