From 498be38e322ce14e1355d8bc5a3d56e239c56958 Mon Sep 17 00:00:00 2001 From: Paul B Mahol Date: Mon, 1 Mar 2021 18:37:40 +0100 Subject: avformat/sga: improve probing for valid files Update variables depending on high four bits of first two bytes. --- libavformat/sga.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) (limited to 'libavformat/sga.c') diff --git a/libavformat/sga.c b/libavformat/sga.c index 957ca0f4cd..20da423ebf 100644 --- a/libavformat/sga.c +++ b/libavformat/sga.c @@ -75,9 +75,11 @@ static int sga_probe(const AVProbeData *p) if (last_left < 0) return 0; if (sectors && header && last_left == 0) { - if (left <= 8) - return 0; - last_left = left; + if (header >> 12) { + last_left = left; + } else { + last_left = left = header; + } } else if (sectors && header) { left = header; last_left -= left; -- cgit v1.2.3