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authorGyan Doshi <ffmpeg@gyani.pro>2024-03-16 10:04:54 +0530
committerGyan Doshi <ffmpeg@gyani.pro>2024-03-16 14:30:05 +0530
commitf5441e441f9b0d235e49bdccc69e141ccd92e854 (patch)
treeb5d1f99929728cbfa9ae59650a392f1fef2b5339
parentaca7037e018d15e2955f28967c806af079a4075d (diff)
avformat/mpegtsenc: correct bitstream check
8559cce3c3 made the bitstream check generic using a LUT. However, one of the comparisons which involves a bitwise AND and equality check is faulty due to operator precedence. First reported and analysed at https://github.com/streamlink/streamlink/issues/5876 Fixes #10908
-rw-r--r--libavformat/mpegtsenc.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/libavformat/mpegtsenc.c b/libavformat/mpegtsenc.c
index 06e88e9879..b8efc535a7 100644
--- a/libavformat/mpegtsenc.c
+++ b/libavformat/mpegtsenc.c
@@ -2319,7 +2319,7 @@ static int mpegts_check_bitstream(AVFormatContext *s, AVStream *st,
pkt->size >= 5 && AV_RB32(pkt->data) != 0x0000001 &&
(AV_RB24(pkt->data) != 0x000001 ||
(st->codecpar->extradata_size > 0 &&
- (st->codecpar->extradata[0] & e->mask == e->value))))
+ ((st->codecpar->extradata[0] & e->mask) == e->value))))
return ff_stream_add_bitstream_filter(st, e->bsf_name, NULL);
}
return 1;