From: Limin Wang <[email protected]>
Signed-off-by: Limin Wang <[email protected]>
---
libavformat/sccenc.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/libavformat/sccenc.c b/libavformat/sccenc.c
index c8c4d097e4..2b924ba6e7 100644
--- a/libavformat/sccenc.c
+++ b/libavformat/sccenc.c
@@ -72,11 +72,11 @@ static int scc_write_packet(AVFormatContext *avf, AVPacket
*pkt)
s = (int)(pts / 1000) % 60;
f = (int)(pts % 1000) / 33;
- for (i = 0; i < pkt->size; i+=3) {
+ for (i = 0; i < pkt->size - 2; i+=3) {
if (pkt->data[i] == 0xfc && ((pkt->data[i + 1] != 0x80 || pkt->data[i
+ 2] != 0x80)))
break;
}
- if (i >= pkt->size)
+ if (i >= pkt->size - 2)
return 0;
if (!scc->inside && (scc->prev_h != h || scc->prev_m != m || scc->prev_s
!= s || scc->prev_f != f)) {
--
2.35.1
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