/*****************************************************************************
* dvbpsi_pat_detach
*****************************************************************************
* Close a PAT decoder. The handle isn't valid any more.
*****************************************************************************/
void dvbpsi_pat_detach(dvbpsi_t *p_dvbpsi, uint8_t i_table_id, uint16_t i_extension)
{
assert(p_dvbpsi);
dvbpsi_pat_decoder_t *p_pat_decoder =
(dvbpsi_pat_decoder_t*) dvbpsi_decoder_chain_get(p_dvbpsi, i_table_id, i_extension);
if (!p_pat_decoder)
{
dvbpsi_error(p_dvbpsi, "PAT Decoder",
"No such PAT decoder (table_id == 0x%02x,"
"extension == 0x%02x)",
i_table_id, i_extension);
return;
}
/* Remove table decoder from chain */
if (!dvbpsi_decoder_chain_remove(p_dvbpsi, DVBPSI_DECODER(p_pat_decoder)))
{
dvbpsi_error(p_dvbpsi, "PAT Decoder",
"Failed to remove"
"extension == 0x%02x)",
i_table_id, i_extension);
return;
}
if (p_pat_decoder->p_building_pat)
dvbpsi_pat_delete(p_pat_decoder->p_building_pat);
p_pat_decoder->p_building_pat = NULL;
dvbpsi_decoder_delete(DVBPSI_DECODER(p_pat_decoder));
p_pat_decoder = NULL;
}
/*****************************************************************************
* dvbpsi_pat_detach
*****************************************************************************
* Close a PAT decoder. The handle isn't valid any more.
*****************************************************************************/
void dvbpsi_pat_detach( dvbpsi_t *p_dvbpsi )
{
assert( p_dvbpsi );
assert( p_dvbpsi->p_decoder );
dvbpsi_pat_decoder_t* p_pat_decoder = (dvbpsi_pat_decoder_t *) p_dvbpsi->p_decoder;
if ( p_pat_decoder->p_building_pat )
dvbpsi_pat_delete( p_pat_decoder->p_building_pat );
p_pat_decoder->p_building_pat = NULL;
dvbpsi_decoder_delete( p_dvbpsi->p_decoder );
p_dvbpsi->p_decoder = NULL;
}
/*****************************************************************************
* dvbpsi_nit_attach
*****************************************************************************
* Initialize a NIT subtable decoder.
*****************************************************************************/
bool dvbpsi_nit_attach(dvbpsi_t* p_dvbpsi, uint8_t i_table_id,
uint16_t i_extension, dvbpsi_nit_callback pf_callback,
void* p_cb_data)
{
assert(p_dvbpsi);
assert(p_dvbpsi->p_decoder);
dvbpsi_demux_t* p_demux = (dvbpsi_demux_t*)p_dvbpsi->p_decoder;
if (dvbpsi_demuxGetSubDec(p_demux, i_table_id, i_extension))
{
dvbpsi_error(p_dvbpsi, "NIT decoder",
"Already a decoder for (table_id == 0x%02x,"
"extension == 0x%02x)",
i_table_id, i_extension);
return false;
}
dvbpsi_nit_decoder_t* p_nit_decoder;
p_nit_decoder = (dvbpsi_nit_decoder_t*) dvbpsi_decoder_new(NULL,
0, true, sizeof(dvbpsi_nit_decoder_t));
if (p_nit_decoder == NULL)
return false;
/* subtable decoder configuration */
dvbpsi_demux_subdec_t* p_subdec;
p_subdec = dvbpsi_NewDemuxSubDecoder(i_table_id, i_extension, dvbpsi_nit_detach,
dvbpsi_nit_sections_gather, DVBPSI_DECODER(p_nit_decoder));
if (p_subdec == NULL)
{
dvbpsi_decoder_delete(DVBPSI_DECODER(p_nit_decoder));
return false;
}
/* Attach the subtable decoder to the demux */
dvbpsi_AttachDemuxSubDecoder(p_demux, p_subdec);
/* NIT decoder information */
p_nit_decoder->i_network_id = i_extension;
p_nit_decoder->pf_nit_callback = pf_callback;
p_nit_decoder->p_cb_data = p_cb_data;
p_nit_decoder->p_building_nit = NULL;
return true;
}
/*****************************************************************************
* dvbpsi_atsc_AttachETT
*****************************************************************************
* Initialize a ETT decoder and return a handle on it.
*****************************************************************************/
bool dvbpsi_atsc_AttachETT(dvbpsi_t * p_dvbpsi, uint8_t i_table_id, uint16_t i_extension,
dvbpsi_atsc_ett_callback pf_callback, void* p_cb_data)
{
assert(p_dvbpsi);
assert(p_dvbpsi->p_decoder);
dvbpsi_demux_t* p_demux = (dvbpsi_demux_t*)p_dvbpsi->p_decoder;
if (dvbpsi_demuxGetSubDec(p_demux, i_table_id, i_extension))
{
dvbpsi_error(p_dvbpsi, "ATSC ETT decoder",
"Already a decoder for (table_id == 0x%02x extension == 0x%04x)",
i_table_id, i_extension);
return false;
}
dvbpsi_atsc_ett_decoder_t* p_ett_decoder;
p_ett_decoder = (dvbpsi_atsc_ett_decoder_t*) dvbpsi_decoder_new(NULL,
0, true, sizeof(dvbpsi_atsc_ett_decoder_t));
if (p_ett_decoder == NULL)
return false;
/* PSI decoder configuration */
dvbpsi_demux_subdec_t* p_subdec;
p_subdec = dvbpsi_NewDemuxSubDecoder(i_table_id, i_extension, dvbpsi_atsc_DetachETT,
dvbpsi_atsc_GatherETTSections, DVBPSI_DECODER(p_ett_decoder));
if (p_subdec == NULL)
{
dvbpsi_decoder_delete(DVBPSI_DECODER(p_ett_decoder));
return false;
}
/* Attach the subtable decoder to the demux */
dvbpsi_AttachDemuxSubDecoder(p_demux, p_subdec);
/* ETT decoder information */
p_ett_decoder->pf_ett_callback = pf_callback;
p_ett_decoder->p_cb_data = p_cb_data;
p_ett_decoder->p_building_ett = NULL;
return true;
}
/*****************************************************************************
* dvbpsi_pat_attach
*****************************************************************************
* Initialize a PAT decoder and return a handle on it.
*****************************************************************************/
bool dvbpsi_pat_attach(dvbpsi_t *p_dvbpsi, uint8_t i_table_id, uint16_t i_extension,
dvbpsi_pat_callback pf_callback, void* p_priv)
{
assert(p_dvbpsi);
/* PSI decoder configuration and initial state */
dvbpsi_decoder_t* p_dec = dvbpsi_decoder_chain_get(p_dvbpsi, i_table_id, i_extension);
if (p_dec != NULL)
{
dvbpsi_error(p_dvbpsi, "PAT decoder",
"Already a decoder for (table_id == 0x%02x,"
"extension == 0x%02x)",
i_table_id, i_extension);
return false;
}
dvbpsi_pat_decoder_t *p_pat_decoder;
p_pat_decoder = (dvbpsi_pat_decoder_t*) dvbpsi_decoder_new(&dvbpsi_pat_sections_gather,
1024, true, sizeof(dvbpsi_pat_decoder_t));
if (p_pat_decoder == NULL)
return false;
/* PAT decoder information */
p_pat_decoder->pf_pat_callback = pf_callback;
p_pat_decoder->p_priv = p_priv;
p_pat_decoder->p_building_pat = NULL;
p_pat_decoder->i_table_id = i_table_id;
p_pat_decoder->i_extension = i_extension;
/* Add pat decoder to decoder chain */
if (!dvbpsi_decoder_chain_add(p_dvbpsi, DVBPSI_DECODER(p_pat_decoder)))
{
dvbpsi_decoder_delete(DVBPSI_DECODER(p_pat_decoder));
return false;
}
return true;
}