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Add psi_rawts_table_parser() for parsing tables just based on TS packets

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This commit is contained in:
Andreas Öman 2009-08-15 08:16:47 +00:00
parent a781bcba27
commit 846b3b5ba1
2 changed files with 31 additions and 1 deletions
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28
src/psi.c
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@ -62,14 +62,40 @@ psi_section_reassemble(psi_section_t *ps, uint8_t *data, int len,
}
/**
* TS table parser
*/
void
psi_rawts_table_parser(psi_section_t *section, uint8_t *tsb,
void (*gotsection)(const uint8_t *data, int len,
void *opauqe), void *opaque)
{
int off = tsb[3] & 0x20 ? tsb[4] + 5 : 4;
int pusi = tsb[1] & 0x40;
int len;
if(off >= 188)
return;
if(pusi) {
len = tsb[off++];
if(len > 0) {
if(len > 188 - off)
return;
if(!psi_section_reassemble(section, tsb + off, len, 0, 1))
gotsection(section->ps_data, section->ps_offset, opaque);
off += len;
}
}
if(!psi_section_reassemble(section, tsb + off, 188 - off, pusi, 1))
gotsection(section->ps_data, section->ps_offset, opaque);
}
/**
* PAT parser, from ISO 13818-1
*/
int
psi_parse_pat(th_transport_t *t, uint8_t *ptr, int len,
pid_section_callback_t *pmt_callback)

4
src/psi.h
View file

@ -49,4 +49,8 @@ const char *psi_caid2name(uint16_t caid);
void psi_load_transport_settings(htsmsg_t *m, th_transport_t *t);
void psi_save_transport_settings(htsmsg_t *m, th_transport_t *t);
void psi_rawts_table_parser(psi_section_t *section, uint8_t *tsb,
void (*gotsection)(const uint8_t *data, int len,
void *opauqe), void *opaque);
#endif /* PSI_H_ */