INT32 subt_callback(UINT8 *buff, INT32 len, UINT32 param)
{
INT32 prog_info_length;
INT32 es_info_length;
INT32 i;
UINT16 es_pid;
struct pmt_section *pms = (struct pmt_section *)buff;
struct pmt_stream_info *stream;
prog_info_length = SI_MERGE_HL8(pms->program_info_length);
g_is_subt_available = FALSE;
for(i=sizeof(struct pmt_section)+prog_info_length-4; i<len-4; i+=es_info_length+sizeof(struct pmt_stream_info))
{
stream = (struct pmt_stream_info *)(buff+i);
es_info_length = SI_MERGE_HL8(stream->es_info_length);
es_pid = SI_MERGE_HL8(stream->elementary_pid);
desc_loop_parser(stream->descriptor, es_info_length, subt_desc_info, 1, NULL, (void *)&es_pid);
}
return SUCCESS;
}
/*
* Name : psi_parse_loop2
* Description : parse pmt second loop.
* Parameter :
* INT8 *buff :seciton buffer
* INT16 buff_len :buffer length
* Return :
*/
static INT32 pmt_parse_loop2(UINT8 *pmt, UINT16 pmt_len, PROG_INFO *p_info,
INT32 max_es_nr)
{
INT32 ret, es_cnt;
UINT32 i, loop_len;
struct pmt_stream_info *info;
struct pmt_es_info es;
UINT32 loop1_len = ((pmt[10]<<8)|pmt[11])&0x0FFF;
UINT16 invalid_flag = 1;
UINT32 j=0;
UINT8 k=0;
PP_PRINTF("\n %s(): es stream :\n",__FUNCTION__);
for(es_cnt=0, i = sizeof(struct pmt_section)-4+loop1_len;i < (UINT32)pmt_len-4;
i += sizeof(struct pmt_stream_info)+loop_len)
{
info = (struct pmt_stream_info *)(pmt+i);
MEMSET(&es, 0, sizeof(struct pmt_es_info));
es.stream_type = info->stream_type;
es.pid = SI_MERGE_HL8(info->elementary_pid);
loop_len = SI_MERGE_HL8(info->es_info_length);
ret = desc_loop_parser(info->descriptor, loop_len,
pmt_loop2, ARRAY_SIZE(pmt_loop2), &es.stat, (void *)&es);
if (ret != SI_SUCCESS)
PP_PRINTF("%s: desc_loop_parser error, error= %d\n", ret);
if (es.stat&ES_CA_EXIST)
{
//check if current es ca system is same with those recorded ones
for(j=0;j<es.cas_count;j++)
{
//fix BUG17636, to get all ecm pids
/* for(k=0; k<p_info->CA_count; k++)
{
if(p_info->CA_info[k].CA_system_id==es.cas_sysid[j])
{
PP_PRINTF("es pid=%d, ca count=%d, cas_sysid[%d]=0x%x has same ca sysid with p_info->CA_info[%d]!\n"
, es.pid, es.cas_count, j,es.cas_sysid[j], k);
break;
}
}
if( k==p_info->CA_count)*/
{
if (p_info->CA_count < P_MAX_CA_NUM)
{
p_info->CA_info[p_info->CA_count].CA_system_id = es.cas_sysid[j];
p_info->CA_info[p_info->CA_count].CA_pid = es.cas_pid[j];
p_info->CA_count++;
}
else
{
PP_PRINTF("pmt_parse_loop2: ca system id count %d full!\n",p_info->CA_count);
break;
}
}
}
}
PP_PRINTF("es stream type=%d\n",es.stream_type);
switch(es.stream_type)
{
case MPEG1_AUDIO_STREAM:
case MPEG2_AUDIO_STREAM:
if (TRUE == append_audio_pid(&es, p_info, 0))
invalid_flag = 0;
break;
case PRIVATE_DATA_STREAM:
//case MPEG_AAC_STREAM:
//case AC3_AUDIO_STREAM:
if(es.stat&ES_TTX_EXIST)
p_info->teletext_pid = es.pid;
else if(es.stat&ES_SUB_EXIST)
p_info->subtitle_pid = es.pid;
#ifdef AC3DEC
else if((es.stat&ES_AC3_EXIST)&&(TRUE == append_audio_pid(&es, p_info,AC3_DES_EXIST)))
{
//if(es.stream_type == AC3_AUDIO_STREAM)
//p_info->prog_number +=1;
invalid_flag = 0;
}
#if 1
else if((es.stat&ES_EAC3_EXIST)&&(TRUE == append_audio_pid(&es, p_info,EAC3_DES_EXIST)))
{
//if(es.stream_type == AC3_AUDIO_STREAM)
//p_info->prog_number +=1;
invalid_flag = 0;
}
#endif
#endif
break;
#ifdef AC3DEC
case AC3_AUDIO_STREAM:
if(TRUE == append_audio_pid(&es, p_info,AC3_DES_EXIST))
{
invalid_flag = 0;
}
break;
case MPEG_AAC_STREAM:
if(TRUE == append_audio_pid(&es, p_info,AAC_DES_EXIST))
{
invalid_flag = 0;
}
break;
case MPEG_ADTS_AAC_STREAM:
if(TRUE==append_audio_pid(&es, p_info,ADTS_AAC_DES_EXIST))
{
invalid_flag = 0;
}
break;
#endif
case MPEG1_VIDEO_STREAM:
case MPEG2_VIDEO_STREAM:
case MPEG4_VIDEO_STREAM:
if (p_info->video_pid == PSI_STUFF_PID)
{
p_info->av_flag = 1;
p_info->video_pid = es.pid;
invalid_flag = 0;
}
break;
case H264_VIDEO_STREAM:
if (p_info->video_pid == PSI_STUFF_PID)
{
p_info->av_flag = 1;
p_info->video_pid = es.pid|H264_VIDEO_PID_FLAG;
invalid_flag = 0;
}
break;
#if (SYS_PROJECT_FE == PROJECT_FE_DVBC)
//case ISO13818_6_TYPE_A:
case 0x05:
case ISO13818_6_TYPE_B:
//case ISO13818_6_TYPE_C:
//case ISO13818_6_TYPE_D:
invalid_flag = 0;
break;
#endif
default:
PP_PRINTF("es_type = 0x%x unknown!\n",__FUNCTION__, es.stream_type);
break;
}
if (++es_cnt>=max_es_nr)
{
PP_PRINTF("es_cnt = %d exceed max_es_nr!\n",__FUNCTION__, es_cnt);
break;
}
}
PP_PRINTF("%s: es_cnt = %d!\n\n",__FUNCTION__, es_cnt);
return invalid_flag? ERR_NO_PROG_INFO : SI_SUCCESS;;
}
INT32 si_nit_parser(UINT8 *data, INT32 len, struct section_parameter *param)
{
INT32 i, ret, dloop_len;
struct network_descriptor *nw_desc;
struct nit_section_info *n_info = (struct nit_section_info *)param->priv;
struct transport_stream_info *ts_info;
if (data == NULL) {
n_info->xp_nr = 0;
return SI_SUCCESS;
}
#if(defined( _MHEG5_ENABLE_) || defined( _MHEG5_V20_ENABLE_)||defined(SUPPORT_FRANCE_HD))
//network_id
n_info->net_id = (data[3]<<8) | data[4];
#endif
#ifdef SUPPORT_FRANCE_HD
n_info->version_num = (data[5]&0x3e)>>1;
#endif
nw_desc = &((struct nit_section *)data)->network;
dloop_len = SI_MERGE_HL8(nw_desc->network_descriptor_length);
if (n_info->lp1_nr&&(dloop_len>0)) {
#ifdef AUTO_OTA
ret = desc_loop_parser(nw_desc->descriptor, dloop_len,
n_info->loop1, n_info->lp1_nr, &n_info->p_firstloopinfo.descriptors_parse_stat, n_info);
#else
ret = desc_loop_parser(nw_desc->descriptor, dloop_len,
n_info->loop1, n_info->lp1_nr, NULL, n_info);
#endif
if (ret != SI_SUCCESS) {
SN_PRINTF("%s: loop1 parse failure!\n",
__FUNCTION__);
return ret;
}
#ifdef AUTO_OTA
if(0 == (&n_info->p_firstloopinfo.descriptors_parse_stat)&(1<<NIT_LINKAGE_EXIST_BIT))
set_linkagetype09_exist(0);
#endif
}
if (n_info->lp2_nr==0) {
return SI_SUCCESS;
}
for(i=sizeof(struct nit_section)+dloop_len-4; i<len-4;
i += sizeof(struct transport_stream_info)+dloop_len) {
ts_info = (struct transport_stream_info *)(data+i);
n_info->tsid = SI_MERGE_UINT16(ts_info->transport_stream_id);
n_info->onid = SI_MERGE_UINT16(ts_info->original_network_id);
dloop_len = SI_MERGE_HL8(ts_info->transport_stream_length);
if (dloop_len>0) {
ret = desc_loop_parser(ts_info->descriptor,
dloop_len, n_info->loop2, n_info->lp2_nr, NULL, n_info);
if (ret != SI_SUCCESS) {
SN_PRINTF("%s: loop2 parse failure!\n",
__FUNCTION__);
return ret;
}
}
}
return SI_SUCCESS;
}
