If it is negative, it causes segmentation faults in decode_rle.
Signed-off-by: Andreas Cadhalpun <[email protected]>
---
libavcodec/dvdsubdec.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/libavcodec/dvdsubdec.c b/libavcodec/dvdsubdec.c
index ee06d55..014b0a3 100644
--- a/libavcodec/dvdsubdec.c
+++ b/libavcodec/dvdsubdec.c
@@ -353,7 +353,7 @@ static int decode_dvd_subtitles(DVDSubContext *ctx,
AVSubtitle *sub_header,
}
}
the_end:
- if (offset1 >= 0) {
+ if (offset1 >= 0 && offset2 >= 0) {
int w, h;
uint8_t *bitmap;
--
2.6.2
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