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_IS_INPUT_DEVICE(category)
#define	AV_IS_OUTPUT_DEVICE(category)
#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_LOG_C(x)   ((x) << 8)
	Sets additional colors for extended debugging sessions.
#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.
#define	AV_LOG_PRINT_LEVEL   2
	Include the log severity in messages originating from codecs.

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_DEVICE_VIDEO_OUTPUT = 40,   AV_CLASS_CATEGORY_DEVICE_VIDEO_INPUT, AV_CLASS_CATEGORY_DEVICE_AUDIO_OUTPUT, AV_CLASS_CATEGORY_DEVICE_AUDIO_INPUT, AV_CLASS_CATEGORY_DEVICE_OUTPUT,   AV_CLASS_CATEGORY_DEVICE_INPUT, 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 *avcl, 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)
int	av_log_get_flags (void)

Macro Definition Documentation

#define AV_IS_INPUT_DEVICE

(

category

)

Value:

(((category) == AV_CLASS_CATEGORY_DEVICE_VIDEO_INPUT) || \
     ((category) == AV_CLASS_CATEGORY_DEVICE_AUDIO_INPUT) || \
     ((category) == AV_CLASS_CATEGORY_DEVICE_INPUT))

Definition at line 49 of file log.h.

Referenced by ff_alloc_input_device_context(), and is_device().

#define AV_IS_OUTPUT_DEVICE

(

category

)

Value:

(((category) == AV_CLASS_CATEGORY_DEVICE_VIDEO_OUTPUT) || \
     ((category) == AV_CLASS_CATEGORY_DEVICE_AUDIO_OUTPUT) || \
     ((category) == AV_CLASS_CATEGORY_DEVICE_OUTPUT))

Definition at line 54 of file log.h.

Referenced by is_device().

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_DEVICE_VIDEO_OUTPUT
AV_CLASS_CATEGORY_DEVICE_VIDEO_INPUT
AV_CLASS_CATEGORY_DEVICE_AUDIO_OUTPUT
AV_CLASS_CATEGORY_DEVICE_AUDIO_INPUT
AV_CLASS_CATEGORY_DEVICE_OUTPUT
AV_CLASS_CATEGORY_DEVICE_INPUT
AV_CLASS_CATEGORY_NB	not part of ABI/API

Definition at line 28 of file log.h.