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Added subtable ID and TSDT handling to 'libsi'

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This commit is contained in:
Klaus Schmidinger
2004-02-20 13:54:14 +01:00
parent c817c341ce
commit 402184b9da
6 changed files with 90 additions and 8 deletions
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47
libsi/headers.h
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@@ -10,7 +10,7 @@
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* $Id: headers.h 1.2 2003/12/13 10:43:26 kls Exp $
* $Id: headers.h 1.3 2004/02/20 13:49:16 kls Exp $
* *
***************************************************************************/
@@ -257,7 +257,48 @@ struct pmt_info {
/*
*
* 4) Network Information Table (NIT):
* 4) Transport Stream Description Table (TSDT):
*
* - The TSDT carries a loop of descriptors that apply to
* the whole transport stream. The syntax and semantics
* of the TSDT are defined in newer versions of ISO/IEC 13818-1.
*
*/
#define TSDT_LEN 8
struct tsdt {
u_char table_id :8;
#if BYTE_ORDER == BIG_ENDIAN
u_char section_syntax_indicator :1;
u_char dummy :1; // has to be 0
u_char :2;
u_char section_length_hi :4;
#else
u_char section_length_hi :4;
u_char :2;
u_char dummy :1; // has to be 0
u_char section_syntax_indicator :1;
#endif
u_char section_length_lo :8;
u_char :8;
u_char :8;
#if BYTE_ORDER == BIG_ENDIAN
u_char :2;
u_char version_number :5;
u_char current_next_indicator :1;
#else
u_char current_next_indicator :1;
u_char version_number :5;
u_char :2;
#endif
u_char section_number :8;
u_char last_section_number :8;
};
/*
*
* 5) Network Information Table (NIT):
*
* - the NIT is intended to provide information about the physical
* network. The syntax and semantics of the NIT are defined in
@@ -468,7 +509,7 @@ struct eit {
u_char original_network_id_hi :8;
u_char original_network_id_lo :8;
u_char segment_last_section_number :8;
u_char segment_last_table_id :8;
u_char last_table_id :8;
};
#define EIT_EVENT_LEN 12