FFmpeg
Macros
Logging Constants

Macros

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

Examples
avio_http_serve_files.c.

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.