log.c File Reference

logging functions More...

#include "config.h"
#include <inttypes.h>
#include <stdarg.h>
#include <stdatomic.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "bprint.h"
#include "common.h"
#include "internal.h"
#include "log.h"
#include "thread.h"
#include "time.h"
#include "time_internal.h"

Go to the source code of this file.

Macros
#define	LINE_SZ   1024
#define	NB_LEVELS   8

Functions
static void	check_color_terminal (void)
static void	ansi_fputs (int level, int tint, const char *str, int local_use_color)
static void	colored_fputs (int level, int tint, const char *str)
const char *	av_default_item_name (void *ptr)
	Return the context name.
AVClassCategory	av_default_get_category (void *ptr)
static void	sanitize (uint8_t *line)
static int	get_category (void *ptr)
static const char *	get_level_str (int level)
static const char *	item_name (void *obj, const AVClass *cls)
static void	format_date_now (AVBPrint *bp_time, int include_date)
static void	format_line (void *avcl, int level, const char *fmt, va_list vl, AVBPrint part[5], int *print_prefix, int type[2])
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.
int	av_log_format_line2 (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_default_callback (void *ptr, int level, const char *fmt, va_list vl)
	Default logging callback.
void	av_log (void *avcl, int level, const char *fmt,...)
void	av_log_once (void *avcl, int initial_level, int subsequent_level, int *state, const char *fmt,...)
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_flags (int arg)
int	av_log_get_flags (void)
void	av_log_set_callback (void(*callback)(void *, int, const char *, va_list))
	Set the logging callback.
static void	missing_feature_sample (int sample, void *avc, const char *msg, va_list argument_list)
void	avpriv_request_sample (void *avc, const char *msg,...)
void	avpriv_report_missing_feature (void *avc, const char *msg,...)

Variables
static AVMutex	mutex = AV_MUTEX_INITIALIZER
static atomic_int	av_log_level = AV_LOG_INFO
static atomic_int	av_log_flags = 0
static const uint32_t	color [16+AV_CLASS_CATEGORY_NB]
static int	use_color = -1
static atomic_uintptr_t	av_log_callback = (uintptr_t)av_log_default_callback

Detailed Description

logging functions

Definition in file log.c.

Macro Definition Documentation

LINE_SZ

#define LINE_SZ   1024

Definition at line 51 of file log.c.

Referenced by av_log_default_callback().

NB_LEVELS

#define NB_LEVELS   8

Definition at line 62 of file log.c.

Function Documentation

check_color_terminal()

static void check_color_terminal ( void )

static

Definition at line 154 of file log.c.

Referenced by colored_fputs().

ansi_fputs()

static void ansi_fputs ( int level, int tint, const char * str, int local_use_color )

static

Definition at line 189 of file log.c.

Referenced by colored_fputs().

colored_fputs()

static void colored_fputs ( int level, int tint, const char * str )

static

Definition at line 213 of file log.c.

Referenced by av_log_default_callback().

sanitize()

static void sanitize ( uint8_t * line )

static

Definition at line 251 of file log.c.

Referenced by av_log_default_callback().

get_category()

static int get_category ( void * ptr )

static

Definition at line 259 of file log.c.

Referenced by format_line().

get_level_str()

static const char * get_level_str ( int level )

static

Definition at line 272 of file log.c.

Referenced by format_line().

item_name()

static const char * item_name ( void * obj, const AVClass * cls )

static

Definition at line 298 of file log.c.

format_date_now()

static void format_date_now ( AVBPrint * bp_time, int include_date )

static

Definition at line 303 of file log.c.

Referenced by format_line().

format_line()

static void format_line ( void * avcl, int level, const char * fmt, va_list vl, AVBPrint part[5], int * print_prefix, int type[2] )

static

Definition at line 320 of file log.c.

Referenced by av_log_default_callback(), and av_log_format_line2().

av_log()

void av_log	(	void *	avcl,
		int	level,
		const char *	fmt,
			... )

Definition at line 442 of file log.c.

av_log_once()

void av_log_once	(	void *	avcl,
		int	initial_level,
		int	subsequent_level,
		int *	state,
		const char *	fmt,
			... )

Definition at line 450 of file log.c.

Referenced by av_log_once(), check_film_grain(), ff_ccfifo_extractbytes(), ff_h264_decode_seq_parameter_set(), get_dvb_stream_type(), get_m2ts_stream_type(), hevc_frame_start(), readrate_sleep(), send_frame(), and vp9_warn_unsupported_webm_alpha().

missing_feature_sample()

static void missing_feature_sample ( int sample, void * avc, const char * msg, va_list argument_list )

static

Definition at line 496 of file log.c.

Referenced by avpriv_report_missing_feature(), and avpriv_request_sample().

avpriv_request_sample()

void avpriv_request_sample	(	void *	avc,
		const char *	msg,
			... )

Definition at line 510 of file log.c.

avpriv_report_missing_feature()

void avpriv_report_missing_feature	(	void *	avc,
		const char *	msg,
			... )

Definition at line 519 of file log.c.

Variable Documentation

mutex

AVMutex mutex = AV_MUTEX_INITIALIZER

static

Definition at line 49 of file log.c.

av_log_level

atomic_int av_log_level = AV_LOG_INFO

static

Definition at line 59 of file log.c.

Referenced by av_log_default_callback(), av_log_get_level(), av_log_set_level(), and cb_log().

av_log_flags

atomic_int av_log_flags = 0

static

Definition at line 60 of file log.c.

Referenced by av_log_default_callback(), av_log_get_flags(), av_log_set_flags(), and format_line().

color

const uint32_t color[16+AV_CLASS_CATEGORY_NB]

static

Initial value:

= {
    [AV_LOG_PANIC  /8] =  52 << 16 | 196 << 8 | 0x41,
    [AV_LOG_FATAL  /8] = 208 <<  8 | 0x41,
    [AV_LOG_ERROR  /8] = 196 <<  8 | 0x11,
    [AV_LOG_WARNING/8] = 226 <<  8 | 0x03,
    [AV_LOG_INFO   /8] = 253 <<  8 | 0x09,
    [AV_LOG_VERBOSE/8] =  40 <<  8 | 0x02,
    [AV_LOG_DEBUG  /8] =  34 <<  8 | 0x02,
    [AV_LOG_TRACE  /8] =  34 <<  8 | 0x07,
    [16+AV_CLASS_CATEGORY_NA              ] = 250 << 8 | 0x09,
    [16+AV_CLASS_CATEGORY_INPUT           ] = 219 << 8 | 0x15,
    [16+AV_CLASS_CATEGORY_OUTPUT          ] = 201 << 8 | 0x05,
    [16+AV_CLASS_CATEGORY_MUXER           ] = 213 << 8 | 0x15,
    [16+AV_CLASS_CATEGORY_DEMUXER         ] = 207 << 8 | 0x05,
    [16+AV_CLASS_CATEGORY_ENCODER         ] =  51 << 8 | 0x16,
    [16+AV_CLASS_CATEGORY_DECODER         ] =  39 << 8 | 0x06,
    [16+AV_CLASS_CATEGORY_FILTER          ] = 155 << 8 | 0x12,
    [16+AV_CLASS_CATEGORY_BITSTREAM_FILTER] = 192 << 8 | 0x14,
    [16+AV_CLASS_CATEGORY_SWSCALER        ] = 153 << 8 | 0x14,
    [16+AV_CLASS_CATEGORY_SWRESAMPLER     ] = 147 << 8 | 0x14,
    [16+AV_CLASS_CATEGORY_HWDEVICE        ] = 214 << 8 | 0x13,
    [16+AV_CLASS_CATEGORY_DEVICE_VIDEO_OUTPUT ] = 213 << 8 | 0x15,
    [16+AV_CLASS_CATEGORY_DEVICE_VIDEO_INPUT  ] = 207 << 8 | 0x05,
    [16+AV_CLASS_CATEGORY_DEVICE_AUDIO_OUTPUT ] = 213 << 8 | 0x15,
    [16+AV_CLASS_CATEGORY_DEVICE_AUDIO_INPUT  ] = 207 << 8 | 0x05,
    [16+AV_CLASS_CATEGORY_DEVICE_OUTPUT       ] = 213 << 8 | 0x15,
    [16+AV_CLASS_CATEGORY_DEVICE_INPUT        ] = 207 << 8 | 0x05,
}

Definition at line 98 of file log.c.

use_color

int use_color = -1

static

Definition at line 127 of file log.c.

Referenced by ansi_fputs(), check_color_terminal(), checkasm_vfprintf(), colored_fputs(), and main().

av_log_callback

atomic_uintptr_t av_log_callback = (uintptr_t)av_log_default_callback

static

Definition at line 440 of file log.c.

Referenced by av_log_set_callback(), and av_vlog().