libdvbpsi  1.2.0
Data Structures | Typedefs | Functions
eit.h File Reference

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

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Data Structures

struct  dvbpsi_eit_event_s
 EIT service description structure. More...
struct  dvbpsi_eit_s
 EIT structure. More...

Typedefs

typedef struct dvbpsi_eit_event_s dvbpsi_eit_event_t
 dvbpsi_eit_event_t type definition.
typedef struct dvbpsi_eit_s dvbpsi_eit_t
 dvbpsi_eit_t type definition.
typedef void(* dvbpsi_eit_callback )(void *p_cb_data, dvbpsi_eit_t *p_new_eit)
 Callback type definition.

Functions

bool dvbpsi_eit_attach (dvbpsi_t *p_dvbpsi, uint8_t i_table_id, uint16_t i_extension, dvbpsi_eit_callback pf_callback, void *p_cb_data)
 Creation and initialization of a EIT decoder.
void dvbpsi_eit_detach (dvbpsi_t *p_dvbpsi, uint8_t i_table_id, uint16_t i_extension)
 Destroy a EIT decoder.
void dvbpsi_eit_init (dvbpsi_eit_t *p_eit, uint8_t i_table_id, uint16_t i_extension, uint8_t i_version, bool b_current_next, uint16_t i_ts_id, uint16_t i_network_id, uint8_t i_segment_last_section_number, uint8_t i_last_table_id)
 Initialize a user-allocated dvbpsi_eit_t structure.
dvbpsi_eit_tdvbpsi_eit_new (uint8_t i_table_id, uint16_t i_extension, uint8_t i_version, bool b_current_next, uint16_t i_ts_id, uint16_t i_network_id, uint8_t i_segment_last_section_number, uint8_t i_last_table_id)
 Allocate and initialize a new dvbpsi_eit_t structure.
void dvbpsi_eit_empty (dvbpsi_eit_t *p_eit)
 Clean a dvbpsi_eit_t structure.
void dvbpsi_eit_delete (dvbpsi_eit_t *p_eit)
 Clean and free a dvbpsi_eit_t structure.
dvbpsi_eit_event_tdvbpsi_eit_event_add (dvbpsi_eit_t *p_eit, uint16_t i_event_id, uint64_t i_start_time, uint32_t i_duration, uint8_t i_running_status, bool b_free_ca, uint16_t i_event_descriptor_length)
 Add a service description at the end of the EIT.
dvbpsi_eit_event_tdvbpsi_eit_nvod_event_add (dvbpsi_eit_t *p_eit, uint16_t i_event_id, uint32_t i_duration, bool b_free_ca, uint16_t i_event_descriptor_length)
 Add a NVOD service description at the end of the EIT.
dvbpsi_descriptor_tdvbpsi_eit_event_descriptor_add (dvbpsi_eit_event_t *p_event, uint8_t i_tag, uint8_t i_length, uint8_t *p_data)
 Add a descriptor to the EIT event.
dvbpsi_psi_section_tdvbpsi_eit_sections_generate (dvbpsi_t *p_dvbpsi, dvbpsi_eit_t *p_eit, uint8_t i_table_id)
 Generate a EIT section based on the information provided in p_eit.

Detailed Description

Application interface for the EIT decoder and the EIT generator.

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Author
Christophe Massiot massi.nosp@m.ot@v.nosp@m.ia.ec.nosp@m.p.fr Application interface for the EIT decoder and the EIT generator. New decoded EIT tables are sent by callback to the application.

Function Documentation

bool dvbpsi_eit_attach ( dvbpsi_t p_dvbpsi,
uint8_t  i_table_id,
uint16_t  i_extension,
dvbpsi_eit_callback  pf_callback,
void *  p_cb_data 
)

Creation and initialization of a EIT decoder.

Parameters
p_dvbpsipointer to Subtable demultiplexor to which the EIT decoder is attached.
i_table_idTable ID, 0x4E, 0x4F, or 0x50-0x6F.
i_extensionTable ID extension, here service ID.
pf_callbackfunction to call back on new EIT.
p_cb_dataprivate data given in argument to the callback.
Returns
true on success, false on failure
void dvbpsi_eit_delete ( dvbpsi_eit_t p_eit)

Clean and free a dvbpsi_eit_t structure.

Parameters
p_eitpointer to the EIT structure
Returns
nothing.
void dvbpsi_eit_detach ( dvbpsi_t p_dvbpsi,
uint8_t  i_table_id,
uint16_t  i_extension 
)

Destroy a EIT decoder.

Parameters
p_dvbpsidvbpsi handle pointing to Subtable demultiplexor to which the eit decoder is attached.
i_table_idTable ID, 0x4E, 0x4F, or 0x50-0x6F.
i_extensionTable ID extension, here service ID.
Returns
nothing.
void dvbpsi_eit_empty ( dvbpsi_eit_t p_eit)

Clean a dvbpsi_eit_t structure.

Parameters
p_eitpointer to the EIT structure
Returns
nothing.
dvbpsi_eit_event_t * dvbpsi_eit_event_add ( dvbpsi_eit_t p_eit,
uint16_t  i_event_id,
uint64_t  i_start_time,
uint32_t  i_duration,
uint8_t  i_running_status,
bool  b_free_ca,
uint16_t  i_event_descriptor_length 
)

Add a service description at the end of the EIT.

Parameters
p_eitpointer to the EIT structure
i_event_idEvent ID
i_start_timeStart Time
i_durationDuration
i_running_statusRunning status
b_free_caFree CA flag
i_event_descriptor_lengthThe descriptors loop length in bytes of all descriptors for this event.
Returns
a pointer to the added service description.
dvbpsi_descriptor_t * dvbpsi_eit_event_descriptor_add ( dvbpsi_eit_event_t p_event,
uint8_t  i_tag,
uint8_t  i_length,
uint8_t *  p_data 
)

Add a descriptor to the EIT event.

Parameters
p_eventpointer to the EIT event structure
i_tagdescriptor's tag
i_lengthdescriptor's length
p_datadescriptor's data
Returns
a pointer to the added descriptor.
void dvbpsi_eit_init ( dvbpsi_eit_t p_eit,
uint8_t  i_table_id,
uint16_t  i_extension,
uint8_t  i_version,
bool  b_current_next,
uint16_t  i_ts_id,
uint16_t  i_network_id,
uint8_t  i_segment_last_section_number,
uint8_t  i_last_table_id 
)

Initialize a user-allocated dvbpsi_eit_t structure.

Parameters
p_eitpointer to the EIT structure
i_table_idTable ID, 0x4E, 0x4F, or 0x50-0x6F.
i_extensionTable ID extension, here service ID.
i_versionEIT version
b_current_nextcurrent next indicator
i_ts_idtransport stream ID
i_network_idoriginal network id
i_segment_last_section_numbersegment_last_section_number
i_last_table_idi_last_table_id
Returns
nothing.
dvbpsi_eit_t * dvbpsi_eit_new ( uint8_t  i_table_id,
uint16_t  i_extension,
uint8_t  i_version,
bool  b_current_next,
uint16_t  i_ts_id,
uint16_t  i_network_id,
uint8_t  i_segment_last_section_number,
uint8_t  i_last_table_id 
)

Allocate and initialize a new dvbpsi_eit_t structure.

Parameters
i_table_idTable ID, 0x4E, 0x4F, or 0x50-0x6F.
i_extensionTable ID extension, here service ID.
i_versionEIT version
b_current_nextcurrent next indicator
i_ts_idtransport stream ID
i_network_idoriginal network id
i_segment_last_section_numbersegment_last_section_number
i_last_table_idi_last_table_id
Returns
p_eit pointer to the EIT structure
dvbpsi_eit_event_t * dvbpsi_eit_nvod_event_add ( dvbpsi_eit_t p_eit,
uint16_t  i_event_id,
uint32_t  i_duration,
bool  b_free_ca,
uint16_t  i_event_descriptor_length 
)

Add a NVOD service description at the end of the EIT.

Parameters
p_eitpointer to the EIT structure
i_event_idEvent ID
i_durationDuration
b_free_caFree CA flag
i_event_descriptor_lengthThe descriptors loop length in bytes of all descriptors for this event.
Returns
a pointer to the added service description.
dvbpsi_psi_section_t * dvbpsi_eit_sections_generate ( dvbpsi_t p_dvbpsi,
dvbpsi_eit_t p_eit,
uint8_t  i_table_id 
)

Generate a EIT section based on the information provided in p_eit.

Parameters
p_dvbpsipointer to Subtable demultiplexor to which the EIT decoder is attached.
p_eitpointer to EIT information to include in the PSI secion
i_table_idthe EIT table id to use
Returns
a pointer to a new PSI section