From ec60a0b5d86a8b30efbb116231c248e2eaa14468 Mon Sep 17 00:00:00 2001 From: zhang xingxing <2388969553@qq.com> Date: Sat, 10 Oct 2026 08:33:13 +0200 Subject: [PATCH] avformat/realtextdec: keep the window duration in 64 bits This is not a security issue. Fixes: GJrBZmxJqqm8 Fixes: swarm-Integer-truncation-of-parsed-duration-and-timestamps-1a4b12 Found-by: zhang xingxing <2388969553@qq.com> Signed-off-by: Michael Niedermayer --- libavformat/realtextdec.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/libavformat/realtextdec.c b/libavformat/realtextdec.c index 31f2263341..8f77939210 100644 --- a/libavformat/realtextdec.c +++ b/libavformat/realtextdec.c @@ -64,7 +64,8 @@ static int realtext_read_header(AVFormatContext *s) AVStream *st = avformat_new_stream(s, NULL); AVBPrint buf; char c = 0; - int res = 0, duration = read_ts("60"); // default duration is 60 seconds + int res = 0; + int64_t duration = read_ts("60"); // default duration is 60 seconds FFTextReader tr; ff_text_init_avio(s, &tr, s->pb);