avcodec/bmp_parser: Ensure remaining_size is not too small in startcode packet crossing corner case

Fixes Ticket 5438

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2016-04-14 15:10:31 +02:00
parent e1a8f7818c
commit 8e26bdd59b

View File

@ -63,7 +63,7 @@ restart:
continue;
}
bpc->pc.frame_start_found++;
bpc->remaining_size = bpc->fsize + i - 17;
bpc->remaining_size = bpc->fsize + FFMAX(i - 17, 0);
if (bpc->pc.index + i > 17) {
next = i - 17;