sdt.h File Reference

Application interface for the SDT decoder and the SDT generator. More...

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Data Structures
struct	dvbpsi_sdt_service_s
	SDT service description structure. More...
struct	dvbpsi_sdt_s
	SDT structure. More...

Typedefs
typedef struct dvbpsi_sdt_service_s	dvbpsi_sdt_service_t
	dvbpsi_sdt_service_t type definition.
typedef struct dvbpsi_sdt_s	dvbpsi_sdt_t
	dvbpsi_sdt_t type definition.
typedef void(*	dvbpsi_sdt_callback) (void *p_cb_data, dvbpsi_sdt_t *p_new_sdt)
	Callback type definition.

Functions
bool	dvbpsi_sdt_attach (dvbpsi_t *p_dvbpsi, uint8_t i_table_id, uint16_t i_extension, dvbpsi_sdt_callback pf_callback, void *p_cb_data)
	Creation and initialization of a SDT decoder. It is attached to p_dvbpsi.
void	dvbpsi_sdt_detach (dvbpsi_t *p_dvbpsi, uint8_t i_table_id, uint16_t i_extension)
	Destroy a SDT decoder.
void	dvbpsi_sdt_init (dvbpsi_sdt_t *p_sdt, uint8_t i_table_id, uint16_t i_extension, uint8_t i_version, bool b_current_next, uint16_t i_network_id)
	Initialize a user-allocated dvbpsi_sdt_t structure.
dvbpsi_sdt_t *	dvbpsi_sdt_new (uint8_t i_table_id, uint16_t i_extension, uint8_t i_version, bool b_current_next, uint16_t i_network_id)
	Allocate and initialize a new dvbpsi_sdt_t structure.
void	dvbpsi_sdt_empty (dvbpsi_sdt_t *p_sdt)
	Clean a dvbpsi_sdt_t structure.
void	dvbpsi_sdt_delete (dvbpsi_sdt_t *p_sdt)
	Clean and free a dvbpsi_sdt_t structure.
dvbpsi_sdt_service_t *	dvbpsi_sdt_service_add (dvbpsi_sdt_t *p_sdt, uint16_t i_service_id, bool b_eit_schedule, bool b_eit_present, uint8_t i_running_status, bool b_free_ca)
	Add a service at the end of the SDT.
dvbpsi_descriptor_t *	dvbpsi_sdt_service_descriptor_add (dvbpsi_sdt_service_t *p_service, uint8_t i_tag, uint8_t i_length, uint8_t *p_data)
	Add a descriptor in the SDT service.
dvbpsi_psi_section_t *	dvbpsi_sdt_sections_generate (dvbpsi_t *p_dvbpsi, dvbpsi_sdt_t *p_sdt)
	SDT generator.

Detailed Description

Application interface for the SDT decoder and the SDT generator.

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Author

Johan Bilien jobi@.nosp@m.via..nosp@m.ecp.f.nosp@m.r

Application interface for the SDT decoder and the SDT generator. New decoded SDT tables are sent by callback to the application.

Function Documentation

dvbpsi_sdt_attach()

bool dvbpsi_sdt_attach	(	dvbpsi_t *	p_dvbpsi,
		uint8_t	i_table_id,
		uint16_t	i_extension,
		dvbpsi_sdt_callback	pf_callback,
		void *	p_cb_data )

Creation and initialization of a SDT decoder. It is attached to p_dvbpsi.

Parameters

p_dvbpsi	pointer to dvbpsi to hold decoder/demuxer structure
i_table_id	Table ID, 0x42 or 0x46.
i_extension	Table ID extension, here TS ID.
pf_callback	function to call back on new SDT.
p_cb_data	private data given in argument to the callback.

Returns

true on success, false on failure

References i_extension, and i_table_id.

dvbpsi_sdt_delete()

void dvbpsi_sdt_delete

(

dvbpsi_sdt_t *

p_sdt

)

Clean and free a dvbpsi_sdt_t structure.

Parameters

p_sdt

pointer to the SDT structure

Returns

nothing.

dvbpsi_sdt_detach()

void dvbpsi_sdt_detach	(	dvbpsi_t *	p_dvbpsi,
		uint8_t	i_table_id,
		uint16_t	i_extension )

Destroy a SDT decoder.

Parameters

p_dvbpsi	pointer holding decoder/demuxer structure
i_table_id	Table ID, 0x42 or 0x46.
i_extension	Table ID extension, here TS ID.

Returns

nothing.

References i_extension, and i_table_id.

dvbpsi_sdt_empty()

void dvbpsi_sdt_empty

(

dvbpsi_sdt_t *

p_sdt

)

Clean a dvbpsi_sdt_t structure.

Parameters

p_sdt

pointer to the SDT structure

Returns

nothing.

dvbpsi_sdt_init()

void dvbpsi_sdt_init	(	dvbpsi_sdt_t *	p_sdt,
		uint8_t	i_table_id,
		uint16_t	i_extension,
		uint8_t	i_version,
		bool	b_current_next,
		uint16_t	i_network_id )

Initialize a user-allocated dvbpsi_sdt_t structure.

Parameters

p_sdt	pointer to the SDT structure
i_table_id	Table ID, 0x42 or 0x46.
i_extension	Table ID extension, here TS ID.
i_version	SDT version
b_current_next	current next indicator
i_network_id	original network id

Returns

nothing.

References b_current_next, i_extension, i_table_id, and i_version.

dvbpsi_sdt_new()

dvbpsi_sdt_t * dvbpsi_sdt_new	(	uint8_t	i_table_id,
		uint16_t	i_extension,
		uint8_t	i_version,
		bool	b_current_next,
		uint16_t	i_network_id )

Allocate and initialize a new dvbpsi_sdt_t structure.

Parameters

i_table_id	Table ID, 0x42 or 0x46.
i_extension	Table ID extension, here TS ID.
i_version	SDT version
b_current_next	current next indicator
i_network_id	original network id

Returns

p_sdt pointer to the SDT structure

References b_current_next, i_extension, i_table_id, and i_version.

dvbpsi_sdt_sections_generate()

dvbpsi_psi_section_t * dvbpsi_sdt_sections_generate	(	dvbpsi_t *	p_dvbpsi,
		dvbpsi_sdt_t *	p_sdt )

SDT generator.

Parameters

p_dvbpsi	handle to dvbpsi with attached decoder
p_sdt	SDT structure

Returns

a pointer to the list of generated PSI sections.

Generate SDT sections based on the dvbpsi_sdt_t structure.

dvbpsi_sdt_service_add()

dvbpsi_sdt_service_t * dvbpsi_sdt_service_add	(	dvbpsi_sdt_t *	p_sdt,
		uint16_t	i_service_id,
		bool	b_eit_schedule,
		bool	b_eit_present,
		uint8_t	i_running_status,
		bool	b_free_ca )

Add a service at the end of the SDT.

Parameters

p_sdt	pointer to the SDT structure
i_service_id	Service ID
b_eit_schedule	EIT Schedule flag
b_eit_present	EIT Present/Following flag
i_running_status	Running status
b_free_ca	Free CA flag

Returns

a pointer to the added service description.

dvbpsi_sdt_service_descriptor_add()

dvbpsi_descriptor_t * dvbpsi_sdt_service_descriptor_add	(	dvbpsi_sdt_service_t *	p_service,
		uint8_t	i_tag,
		uint8_t	i_length,
		uint8_t *	p_data )

Add a descriptor in the SDT service.

Parameters

p_service	pointer to the service structure
i_tag	descriptor's tag
i_length	descriptor's length
p_data	descriptor's data

Returns

a pointer to the added descriptor.