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Changed EIT processing to always read a full section

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Klaus Schmidinger 2003-01-26 12:21:15 +01:00
parent d7bf76e9ba
commit e2540aa898
2 changed files with 12 additions and 12 deletions
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1
HISTORY
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@ -1937,3 +1937,4 @@ Video Disk Recorder Revision History
were mixed up). were mixed up).
- Fixed handling the LOG_LOCALn parameters in the -l option (thanks to Dimitrios - Fixed handling the LOG_LOCALn parameters in the -l option (thanks to Dimitrios
Dimitrakos). Dimitrakos).
- Changed EIT processing to always read a full section.

23
eit.c
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@ -16,7 +16,7 @@
* the Free Software Foundation; either version 2 of the License, or * * the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. * * (at your option) any later version. *
* * * *
* $Id: eit.c 1.63 2003/01/06 15:05:46 kls Exp $ * $Id: eit.c 1.64 2003/01/26 12:21:15 kls Exp $
***************************************************************************/ ***************************************************************************/
#include "eit.h" #include "eit.h"
@ -1240,17 +1240,16 @@ void cSIProcessor::Action()
{ {
if (pfd[a].revents & POLLIN) if (pfd[a].revents & POLLIN)
{ {
/* read section */ // read section
unsigned char buf[4096+1]; // max. allowed size for any EIT section (+1 for safety ;-) unsigned char buf[4096]; // max. allowed size for any EIT section
if (safe_read(filters[a].handle, buf, 3) == 3) int r = safe_read(filters[a].handle, buf, sizeof(buf));
if (r > 3) // minimum number of bytes necessary to get section length
{ {
int seclen = ((buf[1] & 0x0F) << 8) | (buf[2] & 0xFF); int seclen = ((buf[1] & 0x0F) << 8) | (buf[2] & 0xFF) + 3;
int pid = filters[a].pid; int pid = filters[a].pid;
int n = safe_read(filters[a].handle, buf + 3, seclen); if (seclen == r)
if (n == seclen)
{ {
seclen += 3; //dsyslog("Received pid 0x%04X with table ID 0x%02X and length of %4d\n", pid, buf[0], seclen);
//dsyslog("Received pid 0x%02x with table ID 0x%02x and length of %04d\n", pid, buf[0], seclen);
switch (pid) switch (pid)
{ {
case 0x00: case 0x00:
@ -1335,10 +1334,10 @@ void cSIProcessor::Action()
break; break;
} }
} }
/*XXX this just fills up the log file - shouldn't we rather try to re-sync? /*
else else
dsyslog("read incomplete section - seclen = %d, n = %d", seclen, n); dsyslog("read incomplete section - seclen = %d, r = %d", seclen, r);
XXX*/ */
} }
} }
} }