From 9f4c7397a296e6d11b3c6c121a6896163577dc7c Mon Sep 17 00:00:00 2001 From: Andreas Cadhalpun Date: Fri, 10 Jul 2015 19:41:43 +0200 Subject: [PATCH] hevc: check slice address length It is used as get_bits argument and reading 0 bits doesn't make sense. Signed-off-by: Andreas Cadhalpun Signed-off-by: Anton Khirnov --- libavcodec/hevc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/hevc.c b/libavcodec/hevc.c index ce4533e639..88198fca8c 100644 --- a/libavcodec/hevc.c +++ b/libavcodec/hevc.c @@ -532,7 +532,7 @@ static int hls_slice_header(HEVCContext *s) slice_address_length = av_ceil_log2(s->sps->ctb_width * s->sps->ctb_height); - sh->slice_segment_addr = get_bits(gb, slice_address_length); + sh->slice_segment_addr = slice_address_length ? get_bits(gb, slice_address_length) : 0; if (sh->slice_segment_addr >= s->sps->ctb_width * s->sps->ctb_height) { av_log(s->avctx, AV_LOG_ERROR, "Invalid slice segment address: %u.\n",