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Logging Constants
libavutil » Logging Facility

## Macros

#define | AV_LOG_QUIET -8
| Print no output.
#define | AV_LOG_PANIC 0
| Something went really wrong and we will crash now.
#define | AV_LOG_FATAL 8
| Something went wrong and recovery is not possible.
#define | AV_LOG_ERROR 16
| Something went wrong and cannot losslessly be recovered.
#define | AV_LOG_WARNING 24
| Something somehow does not look correct.
#define | AV_LOG_INFO 32
| Standard information.
#define | AV_LOG_VERBOSE 40
| Detailed information.
#define | AV_LOG_DEBUG 48
| Stuff which is only useful for libav* developers.
#define | AV_LOG_TRACE 56
| Extremely verbose debugging, useful for libav* development.
#define | AV_LOG_MAX_OFFSET (AV_LOG_TRACE - AV_LOG_QUIET)

## Detailed Description

## Macro Definition Documentation

## AV_LOG_QUIET

#define AV_LOG_QUIET -8

Print no output.

Definition at line 162 of file log.h.

## AV_LOG_PANIC

#define AV_LOG_PANIC 0

Something went really wrong and we will crash now.

Definition at line 167 of file log.h.

## AV_LOG_FATAL

#define AV_LOG_FATAL 8

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.

Examples
  transcode.c.

Definition at line 174 of file log.h.

## AV_LOG_ERROR

#define AV_LOG_ERROR 16

Something went wrong and cannot losslessly be recovered.

However, not all future data is affected.

Examples
  avio_list_dir.c, decode_filter_audio.c, decode_filter_video.c, filter_audio.c, qsv_transcode.c, show_metadata.c, and transcode.c.

Definition at line 180 of file log.h.

## AV_LOG_WARNING

#define AV_LOG_WARNING 24

Something somehow does not look correct.

This may or may not lead to problems. An example would be the use of '-vstrict -2'.

Definition at line 186 of file log.h.

## AV_LOG_INFO

#define AV_LOG_INFO 32

Standard information.

Examples
  avio_list_dir.c, decode_filter_audio.c, and transcode.c.

Definition at line 191 of file log.h.

## AV_LOG_VERBOSE

#define AV_LOG_VERBOSE 40

Detailed information.

Definition at line 196 of file log.h.

## AV_LOG_DEBUG

#define AV_LOG_DEBUG 48

Stuff which is only useful for libav* developers.

Examples
  avio_list_dir.c, and transcode.c.

Definition at line 201 of file log.h.

## AV_LOG_TRACE

#define AV_LOG_TRACE 56

Extremely verbose debugging, useful for libav* development.

Definition at line 206 of file log.h.

## AV_LOG_MAX_OFFSET

#define AV_LOG_MAX_OFFSET (AV_LOG_TRACE - AV_LOG_QUIET)

Definition at line 208 of file log.h.