Update of /cvsroot/dvbtools/dvbstream
In directory sc8-pr-cvs12.sourceforge.net:/tmp/cvs-serv21993
Modified Files:
dvbstream.c
Log Message:
added still unused PMT parser
Index: dvbstream.c
===================================================================
RCS file: /cvsroot/dvbtools/dvbstream/dvbstream.c,v
retrieving revision 1.37
retrieving revision 1.38
diff -C2 -d -r1.37 -r1.38
*** dvbstream.c 14 Mar 2007 22:26:59 -0000 1.37
--- dvbstream.c 16 Mar 2007 23:12:01 -0000 1.38
***************
*** 438,441 ****
--- 438,453 ----
} PAT;
+ #define MAX_PIDS 202
+ typedef struct {
+ section_t section;
+ int version;
+ int pids[MAX_PIDS];
+ int pids_cnt;
+ } pmt_t;
+
+ struct {
+ pmt_t *entries;
+ int cnt;
+ } PMT;
static int collect_section(section_t *section, int pusi, unsigned char *buf, unsigned int len)
***************
*** 511,514 ****
--- 523,571 ----
}
+ static int parse_pmt(int pusi, pmt_t *pmt, unsigned char *b, int l)
+ {
+ unsigned int i, version, seclen, skip, prog, pcr_pid, pid;
+ unsigned char *buf;
+
+ skip = collect_section(&(pmt->section), pusi, b, l);
+
+ if(!skip)
+ return 0;
+
+ //now we know the section is complete
+ pmt->section.pos = 0;
+ pmt->pids_cnt = 0;
+ buf = &(pmt->section.buf[skip]);
+
+ if(buf[0] != 2) //pmt id
+ return 0;
+ if(!(buf[5] & 1)) //not yet valid
+ return 0;
+
+ prog = (buf[3] << 8) | buf[4];
+ version = (buf[5] >> 1) & 0x1F;
+
+ if(pmt->version == version) //PMT didn't change
+ return 1;
+
+ seclen = ((buf[1] & 0x0F) << 8) | buf[2];
+ pcr_pid = ((buf[8] & 0x1F) << 8) | buf[9];
+ pmt->pids[pmt->pids_cnt++] = pcr_pid;
+ fprintf(stderr, "\nPROGRAM: %d, pcr_pid: %d, version: %d vs %d\n", prog, pcr_pid, pmt->version, version);
+ skip = ((buf[10] & 0x0F) << 8) | buf[11];
+ if(skip+12 > seclen)
+ return 0;
+
+ i = skip+12;
+ while(i+5<seclen)
+ {
+ pid = ((buf[i+1] & 0x1F) << 8) | buf[i+2];
+ pmt->pids[pmt->pids_cnt++] = pid;
+ skip = ((buf[i+3] & 0x0F) << 8) | buf[i+4];
+ i += skip+5;
+ fprintf(stderr, "prog %d, PID: %d, count: %d, type: 0x%x\n", prog, pid, pmt->pids_cnt, buf[i]);
+ }
+ pmt->version = version;
+ }
static void parse_ts_packet(unsigned char *buf)
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