diff options
Diffstat (limited to 'libavcodec/dirac_parser.c')
| -rw-r--r-- | libavcodec/dirac_parser.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/libavcodec/dirac_parser.c b/libavcodec/dirac_parser.c index a7c7c328ad..a2a22ee5b2 100644 --- a/libavcodec/dirac_parser.c +++ b/libavcodec/dirac_parser.c @@ -161,7 +161,9 @@ static int dirac_combine_frame(AVCodecParserContext *s, AVCodecContext *avctx, * we can be pretty sure that we have a valid parse unit */ if (!unpack_parse_unit(&pu1, pc, pc->index - 13) || !unpack_parse_unit(&pu, pc, pc->index - 13 - pu1.prev_pu_offset) || - pu.next_pu_offset != pu1.prev_pu_offset) { + pu.next_pu_offset != pu1.prev_pu_offset || + pc->index < pc->dirac_unit_size + 13LL + pu1.prev_pu_offset + ) { pc->index -= 9; *buf_size = next-9; pc->header_bytes_needed = 9; |