mpegts: prevent freeing ones own section in pat_cb

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
12 years ago · eab022d863
parent 4392e69ad4
commit eab022d863
1 changed files with 3 additions and 0 deletions
--- a/libavformat/mpegts.c
+++ b/libavformat/mpegts.c
@ -1594,6 +1594,9 @@ static void pat_cb(MpegTSFilter *filter, const uint8_t *section, int section_len
            break;
        pmt_pid &= 0x1fff;

+        if (pmt_pid == ts->current_pid)
+            break;
+
        av_dlog(ts->stream, "sid=0x%x pid=0x%x\n", sid, pmt_pid);

        if (sid == 0x0000) {