124 lines
3.7 KiB
C
124 lines
3.7 KiB
C
/*
|
|
* 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"
|
|
|
|
/**
|
|
* Describes the class of an AVClass context structure. That is an
|
|
* arbitrary struct of which the first field is a pointer to an
|
|
* AVClass struct (e.g. AVCodecContext, AVFormatContext etc.).
|
|
*/
|
|
typedef struct {
|
|
/**
|
|
* The name of the class; usually it is the same name as the
|
|
* context structure type to which the AVClass is associated.
|
|
*/
|
|
const char* class_name;
|
|
|
|
/**
|
|
* A pointer to a function which returns the name of a context
|
|
* instance ctx associated with the class.
|
|
*/
|
|
const char* (*item_name)(void* ctx);
|
|
|
|
/**
|
|
* a pointer to the first option specified in the class if any or NULL
|
|
*
|
|
* @see av_set_default_options()
|
|
*/
|
|
const struct AVOption *option;
|
|
|
|
/**
|
|
* LIBAVUTIL_VERSION with which this structure was created.
|
|
* This is used to allow fields to be added without requiring major
|
|
* version bumps everywhere.
|
|
*/
|
|
|
|
int version;
|
|
} AVClass;
|
|
|
|
/* av_log API */
|
|
|
|
#define AV_LOG_QUIET -8
|
|
|
|
/**
|
|
* Something went really wrong and we will crash now.
|
|
*/
|
|
#define AV_LOG_PANIC 0
|
|
|
|
/**
|
|
* Something went wrong and recovery is not possible.
|
|
* For example, no header was found for a format which depends
|
|
* on headers or an illegal combination of parameters is used.
|
|
*/
|
|
#define AV_LOG_FATAL 8
|
|
|
|
/**
|
|
* Something went wrong and cannot losslessly be recovered.
|
|
* However, not all future data is affected.
|
|
*/
|
|
#define AV_LOG_ERROR 16
|
|
|
|
/**
|
|
* Something somehow does not look correct. This may or may not
|
|
* lead to problems. An example would be the use of '-vstrict -2'.
|
|
*/
|
|
#define AV_LOG_WARNING 24
|
|
|
|
#define AV_LOG_INFO 32
|
|
#define AV_LOG_VERBOSE 40
|
|
|
|
/**
|
|
* Stuff which is only useful for libav* developers.
|
|
*/
|
|
#define AV_LOG_DEBUG 48
|
|
|
|
/**
|
|
* Sends the specified message to the log if the level is less than or equal
|
|
* to the current av_log_level. By default, all logging messages are sent to
|
|
* stderr. This behavior can be altered by setting a different av_vlog callback
|
|
* function.
|
|
*
|
|
* @param avcl A pointer to an arbitrary struct of which the first field is a
|
|
* pointer to an AVClass struct.
|
|
* @param level The importance level of the message, lower values signifying
|
|
* higher importance.
|
|
* @param fmt The format string (printf-compatible) that specifies how
|
|
* subsequent arguments are converted to output.
|
|
* @see av_vlog
|
|
*/
|
|
#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 */
|