Misc stuff

Functions
void	bg_hexdump (uint8_t *data, int len, int linebreak)
	Do a hexdump of binary data. More...
char *	bg_audio_format_to_string (gavl_audio_format_t *format, int use_tabs)
	Convert an audio format to a string. More...
char *	bg_video_format_to_string (gavl_video_format_t *format, int use_tabs)
	Convert a video format to a string. More...
char *	bg_get_stream_label (int index, const gavl_metadata_t *m)
	Create a stream label. More...
void	bg_dprintf (const char *format,...) __attribute__((format(printf
	Dump to stderr. More...
void void	bg_diprintf (int indent, const char *format,...) __attribute__((format(printf
	Dump to stderr with intendation. More...
void void void *	bg_read_file (const char *filename, int *len)
	Read an entire file into a buffer. More...
int	bg_write_file (const char *filename, void *data, int len)
	Write an entire file into a buffer. More...
int	bg_lock_file (FILE *f, int wr)
	Lock a file for exclusive access. More...
int	bg_unlock_file (FILE *f)
	Unlock a file for exclusive access. More...
size_t	bg_file_size (FILE *f)
	Get the size of an open file. More...
const char *	bg_iso639_b_to_t (const char *code)
	Convert a ISO 639-2/B language code to a ISO 639-2/T code. More...
const char *	bg_iso639_t_to_b (const char *code)
	Convert a ISO 639-2/T language code to a ISO 639-2/B code. More...
void	bg_metadata_date_now (gavl_metadata_t *m, const char *key)
	Set a date and time field of the metadata from the lcoal time. More...
void	bg_daemonize ()
	Make the current process become a daemon. More...

Detailed Description

Function Documentation

bg_hexdump()

void bg_hexdump	(	uint8_t *	data,
		int	len,
		int	linebreak
	)

Do a hexdump of binary data.

Parameters

data	Data
len	Length
linebreak	How many bytes to print in each line before a linebreak

This is mostly for debugging

bg_audio_format_to_string()

char* bg_audio_format_to_string	(	gavl_audio_format_t *	format,
		int	use_tabs
	)

Convert an audio format to a string.

Parameters

format	An audio format
use_tabs	1 to use tabs for separating field names and values

Returns

A newly allocated string

bg_video_format_to_string()

char* bg_video_format_to_string	(	gavl_video_format_t *	format,
		int	use_tabs
	)

Convert a video format to a string.

Parameters

format	A video format
use_tabs	1 to use tabs for separating field names and values

Returns

A newly allocated string

bg_get_stream_label()

char* bg_get_stream_label	(	int	index,
		const gavl_metadata_t *	m
	)

Create a stream label.

Parameters

index	Index of the stream (starting with 0)
m	Metadata

Returns

A newly allocated string

bg_dprintf()

void bg_dprintf	(	const char *	format,
			...
	)

Dump to stderr.

Parameters

format

Format (printf compatible)

bg_diprintf()

void void bg_diprintf	(	int	indent,
		const char *	format,
			...
	)

Dump to stderr with intendation.

Parameters

indent	How many spaces to prepend
format	Format (printf compatible)

bg_read_file()

void void void* bg_read_file	(	const char *	filename,
		int *	len
	)

Read an entire file into a buffer.

Parameters

filename	Name of the file
len	Returns the length in bytes

Returns

A buffer containing the entire file

bg_write_file()

int bg_write_file	(	const char *	filename,
		void *	data,
		int	len
	)

Write an entire file into a buffer.

Parameters

filename	Name of the file
data	Data to write
len	Length in bytes

Returns

1 on success, 0 on failure

bg_lock_file()

int bg_lock_file	(	FILE *	f,
		int	wr
	)

Lock a file for exclusive access.

Parameters

f	An open file
wr	An open file

Returns

1 on success, 0 on failure

bg_unlock_file()

int bg_unlock_file

(

FILE *

f

)

Unlock a file for exclusive access.

Parameters

f	An open file

Returns

1 on success, 0 on failure

bg_file_size()

size_t bg_file_size

(

FILE *

f

)

Get the size of an open file.

Parameters

f	A file opened for reading

Returns

File size in bytes

bg_iso639_b_to_t()

const char* bg_iso639_b_to_t

(

const char *

code

)

Convert a ISO 639-2/B language code to a ISO 639-2/T code.

Parameters

code	ISO 639-2/B

Returns

ISO 639-2/T code

bg_iso639_t_to_b()

const char* bg_iso639_t_to_b

(

const char *

code

)

Convert a ISO 639-2/T language code to a ISO 639-2/B code.

Parameters

code	ISO 639-2/T

Returns

ISO 639-2/B code

bg_metadata_date_now()

void bg_metadata_date_now	(	gavl_metadata_t *	m,
		const char *	key
	)

Set a date and time field of the metadata from the lcoal time.

Parameters

m	Metadata
field	Field to set

bg_daemonize()

void bg_daemonize

(

)

Make the current process become a daemon.