@@ -1571,12 +1571,18 @@ static void pat_cb(MpegTSFilter *filter, const uint8_t *section, int section_len

         if (sid == 0x0000) {

             /* NIT info */

         } else {

+            MpegTSFilter *fil = ts->pids[pmt_pid];

             program = av_new_program(ts->stream, sid);

             program->program_num = sid;

             program->pmt_pid = pmt_pid;

-            if (ts->pids[pmt_pid])

-                mpegts_close_filter(ts, ts->pids[pmt_pid]);

-            mpegts_open_section_filter(ts, pmt_pid, pmt_cb, ts, 1);

+            if (fil)

+                if (   fil->type != MPEGTS_SECTION

+                    || fil->pid != pmt_pid

+                    || fil->u.section_filter.section_cb != pmt_cb)

+                    mpegts_close_filter(ts, ts->pids[pmt_pid]);

+

+            if (!ts->pids[pmt_pid])

+                mpegts_open_section_filter(ts, pmt_pid, pmt_cb, ts, 1);

             add_pat_entry(ts, sid);

             add_pid_to_pmt(ts, sid, 0); //add pat pid to program

             add_pid_to_pmt(ts, sid, pmt_pid);