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avformat/mpegts: make sure mpegts_read_header always stops at the first pmt

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mpegts_read_header stops parsing the file at the first PMT. However the check
that ensured this was wrong because streams can also be added before the first
PMT is received (e.g. EIT).

So let's make sure we are in the header reading phase by checking if ts->pkt is
unset instead of checking if the number of streams found so far is 0.

Signed-off-by: Marton Balint <cus@passwd.hu>
(cherry picked from commit bf19833ae26b054a111de79b5ab1681c00cd8d0a)
This commit is contained in:
Marton Balint 2020-11-15 00:31:11 +01:00
parent 1936413eda
commit ca55240b8c
1 changed files with 1 additions and 1 deletions
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2
libavformat/mpegts.c
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@ -2352,7 +2352,7 @@ static void pmt_cb(MpegTSFilter *filter, const uint8_t *section, int section_len
goto out;
// stop parsing after pmt, we found header
if (!ts->stream->nb_streams)
if (!ts->pkt)
ts->stop_parse = 2;
set_pmt_found(ts, h->id);