FFmpeg
Data Structures | Macros | Enumerations | Functions
log.h File Reference
#include <stdarg.h>
#include "avutil.h"
#include "attributes.h"

Go to the source code of this file.

Data Structures

struct   AVClass
  Describe the class of an AVClass context structure. More...
 

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_MAX_OFFSET   (AV_LOG_DEBUG - AV_LOG_QUIET)
 
#define  av_dlog(pctx,...)   do { if (0) av_log(pctx, AV_LOG_DEBUG, __VA_ARGS__); } while (0)
  av_dlog macros Useful to print debug messages that shouldn't get compiled in normally.
 
#define  AV_LOG_SKIP_REPEATED   1
  Skip repeated messages, this requires the user app to use av_log() instead of (f)printf as the 2 would otherwise interfere and lead to "Last message repeated x times" messages below (f)printf messages with some bad luck.
 

Enumerations

enum   AVClassCategory {
  AV_CLASS_CATEGORY_NA = 0, AV_CLASS_CATEGORY_INPUT, AV_CLASS_CATEGORY_OUTPUT, AV_CLASS_CATEGORY_MUXER,
  AV_CLASS_CATEGORY_DEMUXER, AV_CLASS_CATEGORY_ENCODER, AV_CLASS_CATEGORY_DECODER, AV_CLASS_CATEGORY_FILTER,
  AV_CLASS_CATEGORY_BITSTREAM_FILTER, AV_CLASS_CATEGORY_SWSCALER, AV_CLASS_CATEGORY_SWRESAMPLER, AV_CLASS_CATEGORY_NB
}
 

Functions

void  av_log (void *avcl, int level, const char *fmt,...) av_printf_format(3
  Send the specified message to the log if the level is less than or equal to the current av_log_level.
 
void void  av_vlog (void *avcl, int level, const char *fmt, va_list vl)
  Send the specified message to the log if the level is less than or equal to the current av_log_level.
 
int  av_log_get_level (void)
  Get the current log level.
 
void  av_log_set_level (int level)
  Set the log level.
 
void  av_log_set_callback (void(*callback)(void *, int, const char *, va_list))
  Set the logging callback.
 
void  av_log_default_callback (void *ptr, int level, const char *fmt, va_list vl)
  Default logging callback.
 
const char *  av_default_item_name (void *ctx)
  Return the context name.
 
AVClassCategory  av_default_get_category (void *ptr)
 
void  av_log_format_line (void *ptr, int level, const char *fmt, va_list vl, char *line, int line_size, int *print_prefix)
  Format a line of log the same way as the default callback.
 
void  av_log_set_flags (int arg)
 

Enumeration Type Documentation

enum AVClassCategory
Enumerator:
AV_CLASS_CATEGORY_NA
AV_CLASS_CATEGORY_INPUT
AV_CLASS_CATEGORY_OUTPUT
AV_CLASS_CATEGORY_MUXER
AV_CLASS_CATEGORY_DEMUXER
AV_CLASS_CATEGORY_ENCODER
AV_CLASS_CATEGORY_DECODER
AV_CLASS_CATEGORY_FILTER
AV_CLASS_CATEGORY_BITSTREAM_FILTER
AV_CLASS_CATEGORY_SWSCALER
AV_CLASS_CATEGORY_SWRESAMPLER
AV_CLASS_CATEGORY_NB

not part of ABI/API

Definition at line 28 of file log.h.

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