avformat/mpegts: never discard PAT pid

PID 0 was removed from the pid list when then PMT was parsed, it is better
to explictly avoid it from being discarded instead of keeing it in the list of
every program.

Signed-off-by: Marton Balint <cus@passwd.hu>
This commit is contained in:
Marton Balint 2020-12-27 17:35:36 +01:00
parent 9298e8eb61
commit 5ea37923a8

View File

@ -380,6 +380,9 @@ static int discard_pid(MpegTSContext *ts, unsigned int pid)
int used = 0, discarded = 0;
struct Program *p;
if (pid == PAT_PID)
return 0;
/* If none of the programs have .discard=AVDISCARD_ALL then there's
* no way we have to discard this packet */
for (k = 0; k < ts->stream->nb_programs; k++)
@ -2543,7 +2546,6 @@ static void pat_cb(MpegTSFilter *filter, const uint8_t *section, int section_len
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);
}
}