Ancillary functions and macros

Files
file	dvb-log.h
	Provides interfaces to handle libdvbv5 log messages.
file	crc32.h
	Provides ancillary code to calculate DVB crc32 checksum.

Macros
#define	ARRAY_SIZE(x)
	Calculates the number of elements of an array. More...

Typedefs
typedef void(*	dvb_logfunc )(int level, const char *fmt,...)
	typedef used by dvb_fe_open2 for the log function More...

Functions
void	dvb_default_log (int level, const char *fmt,...)
	This is the prototype of the internal log function that it is used, if the library client doesn't desire to override with something else. More...
void	atsc_time (const uint32_t start_time, struct tm *tm)
	Converts an ATSC EIT formatted timestamp into struct tm. More...
uint32_t	dvb_crc32 (uint8_t *data, size_t datalen, uint32_t crc)
	Calculates the crc-32 as defined at the MPEG-TS specs. More...

Detailed Description

Macro Definition Documentation

#define ARRAY_SIZE

(

x

)

Calculates the number of elements of an array.

Definition at line 65 of file dvb-fe.h.

Typedef Documentation

void(* dvb_logfunc)(int level, const char *fmt,...)

typedef used by dvb_fe_open2 for the log function

Definition at line 45 of file dvb-log.h.

Function Documentation

void atsc_time	(	const uint32_t	start_time,
		struct tm *	tm
	)

Converts an ATSC EIT formatted timestamp into struct tm.

Parameters

start_time	event on ATSC EIT time format
tm	pointer to struct tm where the converted timestamp will be stored.

uint32_t dvb_crc32	(	uint8_t *	data,
		size_t	datalen,
		uint32_t	crc
	)

Calculates the crc-32 as defined at the MPEG-TS specs.

Parameters

data	Pointer to the buffer to be checked
datalen	Length of the buffer
crc	Initial value for the crc checksum. To calculate the checksum of the entire packet at once, use 0xFFFFFFFF

void dvb_default_log	(	int	level,
		const char *	fmt,
			...
	)

This is the prototype of the internal log function that it is used, if the library client doesn't desire to override with something else.

Parameters

level	level of the message, as defined at syslog.h
fmt	format string (same as format string on sprintf)