tot.h File Reference

Application interface for the TDT/TOT decoder and the TDT/TOT generator. More...

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Data Structures
struct	dvbpsi_tot_s
	TDT/TOT structure. More...

Typedefs
typedef void(*	dvbpsi_tot_callback) (void *p_priv, dvbpsi_tot_t *p_new_tot)
	Callback type definition.

Functions
struct dvbpsi_tot_s	__attribute__ ((packed)) dvbpsi_tot_t
bool	dvbpsi_tot_attach (dvbpsi_t *p_dvbpsi, uint8_t i_table_id, uint16_t i_extension, dvbpsi_tot_callback pf_callback, void *p_priv)
	Creation and initialization of a TDT/TOT decoder. More...
void	dvbpsi_tot_detach (dvbpsi_t *p_dvbpsi, uint8_t i_table_id, uint16_t i_extension)
	Destroy a TDT/TOT decoder. More...
void	dvbpsi_tot_init (dvbpsi_tot_t *p_tot, uint8_t i_table_id, uint16_t i_extension, uint8_t i_version, bool b_current_next, uint64_t i_utc_time)
	Initialize a user-allocated dvbpsi_tot_t structure. More...
dvbpsi_tot_t *	dvbpsi_tot_new (uint8_t i_table_id, uint16_t i_extension, uint8_t i_version, bool b_current_next, uint64_t i_utc_time)
	Allocate and initialize a new dvbpsi_tot_t structure. More...
void	dvbpsi_tot_empty (dvbpsi_tot_t *p_tot)
	Clean a dvbpsi_tot_t structure. More...
void	dvbpsi_tot_delete (dvbpsi_tot_t *p_tot)
	Clean and free a dvbpsi_tot_t structure. More...
dvbpsi_descriptor_t *	dvbpsi_tot_descriptor_add (dvbpsi_tot_t *p_tot, uint8_t i_tag, uint8_t i_length, uint8_t *p_data)
	Add a descriptor in the TOT. More...
dvbpsi_psi_section_t *	dvbpsi_tot_sections_generate (dvbpsi_t *p_dvbpsi, dvbpsi_tot_t *p_tot)

Variables
uint8_t	i_table_id
uint16_t	i_extension
uint8_t	i_version
bool	b_current_next
uint64_t	i_utc_time
dvbpsi_descriptor_t *	p_first_descriptor

Detailed Description

Application interface for the TDT/TOT decoder and the TDT/TOT generator.

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Author

Johann Hanne

Application interface for the TDT (Time and Date Table)/TOT (Time Offset Table) decoder and the TDT/TOT generator. New decoded TDT/TOT tables are sent by callback to the application.

Function Documentation

dvbpsi_tot_attach()

bool dvbpsi_tot_attach	(	dvbpsi_t *	p_dvbpsi,
		uint8_t	i_table_id,
		uint16_t	i_extension,
		dvbpsi_tot_callback	pf_callback,
		void *	p_priv
	)

Creation and initialization of a TDT/TOT decoder.

Parameters

p_dvbpsi	dvbpsi handle pointing to Subtable demultiplexor to which the decoder is attached.
i_table_id	Table ID, usually 0x70
i_extension	Table ID extension, unused in the TDT/TOT
pf_callback	function to call back on new TDT/TOT.
p_priv	private data given in argument to the callback.

Returns

true on success, false on failure

dvbpsi_tot_delete()

dvbpsi_tot_delete

(

dvbpsi_tot_t *

p_tot

)

Clean and free a dvbpsi_tot_t structure.

Parameters

p_tot

pointer to the TDT/TOT structure

Returns

nothing.

dvbpsi_tot_descriptor_add()

dvbpsi_descriptor_t * dvbpsi_tot_descriptor_add	(	dvbpsi_tot_t *	p_tot,
		uint8_t	i_tag,
		uint8_t	i_length,
		uint8_t *	p_data
	)

Add a descriptor in the TOT.

Parameters

p_tot	pointer to the TOT structure
i_tag	descriptor's tag
i_length	descriptor's length
p_data	descriptor's data

Returns

a pointer to the added descriptor.

dvbpsi_tot_detach()

int dvbpsi_tot_detach	(	dvbpsi_t *	p_dvbpsi,
		uint8_t	i_table_id,
		uint16_t	i_extension
	)

Destroy a TDT/TOT decoder.

Parameters

p_dvbpsi	Subtable demultiplexor to which the decoder is attached.
i_table_id	Table ID, usually 0x70
i_extension	Table ID extension, unused in the TDT/TOT

Returns

nothing.

dvbpsi_tot_empty()

void dvbpsi_tot_empty

(

dvbpsi_tot_t *

p_tot

)

Clean a dvbpsi_tot_t structure.

Parameters

p_tot

pointer to the TDT/TOT structure

Returns

nothing.

dvbpsi_tot_init()

void dvbpsi_tot_init	(	dvbpsi_tot_t *	p_tot,
		uint8_t	i_table_id,
		uint16_t	i_extension,
		uint8_t	i_version,
		bool	b_current_next,
		uint64_t	i_utc_time
	)

Initialize a user-allocated dvbpsi_tot_t structure.

Parameters

p_tot	pointer to the TDT/TOT structure
i_table_id	Table ID, usually 0x70
i_extension	Table ID extension, unused in the TDT/TOT
i_version	SDT version
b_current_next	current next indicator
i_utc_time	the time in UTC

Returns

nothing.

dvbpsi_tot_new()

dvbpsi_tot_t * dvbpsi_tot_new	(	uint8_t	i_table_id,
		uint16_t	i_extension,
		uint8_t	i_version,
		bool	b_current_next,
		uint64_t	i_utc_time
	)

Allocate and initialize a new dvbpsi_tot_t structure.

Parameters

i_table_id	Table ID, usually 0x70
i_extension	Table ID extension, unused in the TDT/TOT
i_version	SDT version
b_current_next	current next indicator
i_utc_time	the time in UTC

Returns

p_tot pointer to the TDT/TOT structure

Variable Documentation

b_current_next

bool b_current_next

current_next_indicator

i_extension

uint16_t i_extension

subtable id

i_table_id

uint8_t i_table_id

table id

i_utc_time

uint64_t i_utc_time

UTC_time

i_version

uint8_t i_version

version_number

p_first_descriptor

dvbpsi_descriptor_t* p_first_descriptor

descriptor list