/*****************************************************************************
* dvbpsi_tot_detach
*****************************************************************************
* Close a TDT/TOT decoder.
*****************************************************************************/
void dvbpsi_tot_detach(dvbpsi_t* p_dvbpsi, uint8_t i_table_id,
uint16_t i_extension)
{
assert(p_dvbpsi);
assert(p_dvbpsi->p_decoder);
dvbpsi_demux_t *p_demux = (dvbpsi_demux_t *)p_dvbpsi->p_decoder;
dvbpsi_demux_subdec_t* p_subdec;
i_extension = 0; /* NOTE: force to 0 when handling TDT/TOT */
p_subdec = dvbpsi_demuxGetSubDec(p_demux, i_table_id, i_extension);
if (p_demux == NULL)
{
dvbpsi_error(p_dvbpsi, "TDT/TOT Decoder",
"No such TDT/TOT decoder (table_id == 0x%02x,"
"extension == 0x%02x)",
i_table_id, i_extension);
return;
}
assert(p_subdec->p_decoder);
dvbpsi_tot_decoder_t* p_tot_decoder;
p_tot_decoder = (dvbpsi_tot_decoder_t*)p_subdec->p_decoder;
if (p_tot_decoder->p_building_tot)
dvbpsi_tot_delete(p_tot_decoder->p_building_tot);
p_tot_decoder->p_building_tot = NULL;
dvbpsi_DetachDemuxSubDecoder(p_demux, p_subdec);
dvbpsi_DeleteDemuxSubDecoder(p_subdec);
}
/*****************************************************************************
* dvbpsi_atsc_DetachETT
*****************************************************************************
* Close a ETT decoder. The handle isn't valid any more.
*****************************************************************************/
void dvbpsi_atsc_DetachETT(dvbpsi_t *p_dvbpsi, uint8_t i_table_id, uint16_t i_extension)
{
assert(p_dvbpsi);
assert(p_dvbpsi->p_decoder);
dvbpsi_demux_t *p_demux = (dvbpsi_demux_t *) p_dvbpsi->p_decoder;
dvbpsi_demux_subdec_t* p_subdec;
p_subdec = dvbpsi_demuxGetSubDec(p_demux, i_table_id, i_extension);
if (p_subdec == NULL)
{
dvbpsi_error(p_dvbpsi, "ATSC ETT Decoder",
"No such ETT decoder (table_id == 0x%02x,"
"extension == 0x%04x)",
i_table_id, i_extension);
return;
}
dvbpsi_atsc_ett_decoder_t* p_ett_decoder;
p_ett_decoder = (dvbpsi_atsc_ett_decoder_t*)p_subdec->p_decoder;
if (!p_ett_decoder)
return;
if (p_ett_decoder->p_building_ett)
dvbpsi_atsc_DeleteETT(p_ett_decoder->p_building_ett);
p_ett_decoder->p_building_ett = NULL;
dvbpsi_DetachDemuxSubDecoder(p_demux, p_subdec);
dvbpsi_DeleteDemuxSubDecoder(p_subdec);
}
/*****************************************************************************
* dvbpsi_nit_detach
*****************************************************************************
* Close a NIT decoder.
*****************************************************************************/
void dvbpsi_nit_detach(dvbpsi_t * p_dvbpsi, uint8_t i_table_id, uint16_t i_extension)
{
dvbpsi_demux_t *p_demux = (dvbpsi_demux_t *) p_dvbpsi->p_decoder;
dvbpsi_demux_subdec_t* p_subdec;
p_subdec = dvbpsi_demuxGetSubDec(p_demux, i_table_id, i_extension);
if (p_subdec == NULL)
{
dvbpsi_error(p_dvbpsi, "NIT Decoder",
"No such NIT decoder (table_id == 0x%02x,"
"extension == 0x%02x)",
i_table_id, i_extension);
return;
}
dvbpsi_nit_decoder_t* p_nit_decoder;
p_nit_decoder = (dvbpsi_nit_decoder_t*)p_subdec->p_decoder;
if (p_nit_decoder->p_building_nit)
dvbpsi_nit_delete(p_nit_decoder->p_building_nit);
p_nit_decoder->p_building_nit = NULL;
/* Free demux sub table decoder */
dvbpsi_DetachDemuxSubDecoder(p_demux, p_subdec);
dvbpsi_DeleteDemuxSubDecoder(p_subdec);
}
/*****************************************************************************
* dvbpsi_sis_detach
*****************************************************************************
* Close a SIS decoder.
*****************************************************************************/
void dvbpsi_sis_detach(dvbpsi_t *p_dvbpsi, uint8_t i_table_id, uint16_t i_extension)
{
assert(p_dvbpsi);
assert(p_dvbpsi->p_decoder);
dvbpsi_demux_t *p_demux = (dvbpsi_demux_t *) p_dvbpsi->p_decoder;
i_extension = 0;
dvbpsi_demux_subdec_t* p_subdec;
p_subdec = dvbpsi_demuxGetSubDec(p_demux, i_table_id, i_extension);
if (p_demux == NULL)
{
dvbpsi_error(p_dvbpsi, "SIS Decoder",
"No such SIS decoder (table_id == 0x%02x,"
"extension == 0x%02x)",
i_table_id, i_extension);
return;
}
assert(p_subdec->p_decoder);
dvbpsi_sis_decoder_t* p_sis_decoder;
p_sis_decoder = (dvbpsi_sis_decoder_t*)p_subdec->p_decoder;
if (p_sis_decoder->p_building_sis)
dvbpsi_sis_delete(p_sis_decoder->p_building_sis);
p_sis_decoder->p_building_sis = NULL;
dvbpsi_DetachDemuxSubDecoder(p_demux, p_subdec);
dvbpsi_DeleteDemuxSubDecoder(p_subdec);
}
/*****************************************************************************
* dvbpsi_AttachNIT
*****************************************************************************
* Initialize a NIT subtable decoder.
*****************************************************************************/
int dvbpsi_AttachNIT(dvbpsi_decoder_t * p_psi_decoder, uint8_t i_table_id,
uint16_t i_extension, dvbpsi_nit_callback pf_callback,
void* p_cb_data)
{
dvbpsi_demux_t* p_demux = (dvbpsi_demux_t*)p_psi_decoder->p_private_decoder;
dvbpsi_demux_subdec_t* p_subdec;
dvbpsi_nit_decoder_t* p_nit_decoder;
unsigned int i;
if(dvbpsi_demuxGetSubDec(p_demux, i_table_id, i_extension))
{
DVBPSI_ERROR_ARG("NIT decoder",
"Already a decoder for (table_id == 0x%02x,"
"extension == 0x%02x)",
i_table_id, i_extension);
return 1;
}
p_subdec = (dvbpsi_demux_subdec_t*)malloc(sizeof(dvbpsi_demux_subdec_t));
if(p_subdec == NULL)
{
return 1;
}
p_nit_decoder = (dvbpsi_nit_decoder_t*)malloc(sizeof(dvbpsi_nit_decoder_t));
if(p_nit_decoder == NULL)
{
free(p_subdec);
return 1;
}
/* subtable decoder configuration */
p_subdec->pf_callback = &dvbpsi_GatherNITSections;
p_subdec->p_cb_data = p_nit_decoder;
p_subdec->i_id = (uint32_t)i_table_id << 16 | (uint32_t)i_extension;
p_subdec->pf_detach = dvbpsi_DetachNIT;
/* Attach the subtable decoder to the demux */
p_subdec->p_next = p_demux->p_first_subdec;
p_demux->p_first_subdec = p_subdec;
/* NIT decoder information */
p_nit_decoder->i_network_id = i_extension;
p_nit_decoder->pf_callback = pf_callback;
p_nit_decoder->p_cb_data = p_cb_data;
/* NIT decoder initial state */
p_nit_decoder->b_current_valid = 0;
p_nit_decoder->p_building_nit = NULL;
for(i = 0; i <= 255; i++)
p_nit_decoder->ap_sections[i] = NULL;
return 0;
}
/*****************************************************************************
* dvbpsi_AttachVCT
*****************************************************************************
* Initialize a VCT subtable decoder.
*****************************************************************************/
bool dvbpsi_AttachVCT(dvbpsi_t *p_dvbpsi, uint8_t i_table_id, uint16_t i_extension,
dvbpsi_vct_callback pf_callback, void* p_cb_data)
{
assert(p_dvbpsi);
assert(p_dvbpsi->p_private);
dvbpsi_demux_t* p_demux = (dvbpsi_demux_t*)p_dvbpsi->p_private;
dvbpsi_demux_subdec_t* p_subdec;
dvbpsi_vct_decoder_t* p_vct_decoder;
if (dvbpsi_demuxGetSubDec(p_demux, i_table_id, i_extension))
{
dvbpsi_error(p_dvbpsi, "VCT decoder",
"Already a decoder for (table_id == 0x%02x,"
"extension == 0x%02x)",
i_table_id, i_extension);
return false;
}
p_subdec = (dvbpsi_demux_subdec_t*)calloc(1, sizeof(dvbpsi_demux_subdec_t));
if(p_subdec == NULL)
return false;
p_vct_decoder = (dvbpsi_vct_decoder_t*)calloc(1, sizeof(dvbpsi_vct_decoder_t));
if (p_vct_decoder == NULL)
{
free(p_subdec);
return false;
}
/* subtable decoder configuration */
p_subdec->pf_callback = &dvbpsi_GatherVCTSections;
p_subdec->p_cb_data = p_vct_decoder;
p_subdec->i_id = (uint32_t)i_table_id << 16 | (uint32_t)i_extension;
p_subdec->pf_detach = &dvbpsi_DetachVCT;
/* Attach the subtable decoder to the demux */
p_subdec->p_next = p_demux->p_first_subdec;
p_demux->p_first_subdec = p_subdec;
/* vct decoder information */
p_vct_decoder->pf_vct_callback = pf_callback;
p_vct_decoder->p_cb_data = p_cb_data;
/* vct decoder initial state */
p_vct_decoder->b_current_valid = false;
p_vct_decoder->p_building_vct = NULL;
for (unsigned int i = 0; i <= 255; i++)
p_vct_decoder->ap_sections[i] = NULL;
return true;
}
/*****************************************************************************
* 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_DetachVCT
*****************************************************************************
* Close a VCT decoder. The handle isn't valid any more.
*****************************************************************************/
void dvbpsi_DetachVCT(dvbpsi_t *p_dvbpsi, uint8_t i_table_id, uint16_t i_extension)
{
assert(p_dvbpsi);
assert(p_dvbpsi->p_private);
dvbpsi_demux_t *p_demux = (dvbpsi_demux_t *) p_dvbpsi->p_private;
dvbpsi_demux_subdec_t* p_subdec;
dvbpsi_demux_subdec_t** pp_prev_subdec;
dvbpsi_vct_decoder_t* p_vct_decoder;
p_subdec = dvbpsi_demuxGetSubDec(p_demux, i_table_id, i_extension);
if (p_subdec == NULL)
{
dvbpsi_error(p_dvbpsi, "VCT Decoder",
"No such VCT decoder (table_id == 0x%02x,"
"extension == 0x%02x)",
i_table_id, i_extension);
return;
}
p_vct_decoder = (dvbpsi_vct_decoder_t*)p_subdec->p_cb_data;
free(p_vct_decoder->p_building_vct);
for (unsigned int i = 0; i <= 255; i++)
{
if (p_vct_decoder->ap_sections[i])
{
dvbpsi_DeletePSISections(p_vct_decoder->ap_sections[i]);
p_vct_decoder->ap_sections[i] = NULL;
}
}
free(p_subdec->p_cb_data);
pp_prev_subdec = &p_demux->p_first_subdec;
while(*pp_prev_subdec != p_subdec)
pp_prev_subdec = &(*pp_prev_subdec)->p_next;
*pp_prev_subdec = p_subdec->p_next;
free(p_subdec);
p_subdec = NULL;
}
/*****************************************************************************
* dvbpsi_DetachNIT
*****************************************************************************
* Close a NIT decoder.
*****************************************************************************/
void dvbpsi_DetachNIT(dvbpsi_demux_t * p_demux, uint8_t i_table_id,
uint16_t i_extension)
{
dvbpsi_demux_subdec_t* p_subdec;
dvbpsi_demux_subdec_t** pp_prev_subdec;
dvbpsi_nit_decoder_t* p_nit_decoder;
unsigned int i;
p_subdec = dvbpsi_demuxGetSubDec(p_demux, i_table_id, i_extension);
if(p_demux == NULL)
{
DVBPSI_ERROR_ARG("NIT Decoder",
"No such NIT decoder (table_id == 0x%02x,"
"extension == 0x%02x)",
i_table_id, i_extension);
return;
}
p_nit_decoder = (dvbpsi_nit_decoder_t*)p_subdec->p_cb_data;
free(p_nit_decoder->p_building_nit);
for(i = 0; i <= 255; i++)
{
if(p_nit_decoder->ap_sections[i])
dvbpsi_DeletePSISections(p_nit_decoder->ap_sections[i]);
}
free(p_subdec->p_cb_data);
pp_prev_subdec = &p_demux->p_first_subdec;
while(*pp_prev_subdec != p_subdec)
pp_prev_subdec = &(*pp_prev_subdec)->p_next;
*pp_prev_subdec = p_subdec->p_next;
free(p_subdec);
}
