From 6718536ba500d8a471bae3849f124da892936c70 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Mon, 14 Nov 2011 18:01:13 +0100 Subject: diracdec: fix empty data units. Fixed Ticket636 Signed-off-by: Michael Niedermayer --- libavcodec/diracdec.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'libavcodec/diracdec.c') diff --git a/libavcodec/diracdec.c b/libavcodec/diracdec.c index db2cb0fba8..1ace7bd425 100644 --- a/libavcodec/diracdec.c +++ b/libavcodec/diracdec.c @@ -1836,7 +1836,8 @@ static int dirac_decode_frame(AVCodecContext *avctx, void *data, int *data_size, break; data_unit_size = AV_RB32(buf+buf_idx+5); - if (buf_idx + data_unit_size > buf_size) { + if (buf_idx + data_unit_size > buf_size || !data_unit_size) { + if(buf_idx + data_unit_size > buf_size) av_log(s->avctx, AV_LOG_ERROR, "Data unit with size %d is larger than input buffer, discarding\n", data_unit_size); -- cgit v1.2.3