From 325411a687c4b9a439a42bf607d5fbfc41c44836 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Tue, 9 Jul 2013 21:10:45 +0200 Subject: [PATCH] snowenc: check minimum resolution Fixes Ticket1855 Signed-off-by: Michael Niedermayer --- libavcodec/snowenc.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/libavcodec/snowenc.c b/libavcodec/snowenc.c index 7266ee12f0..586dc1d830 100644 --- a/libavcodec/snowenc.c +++ b/libavcodec/snowenc.c @@ -1770,6 +1770,11 @@ redo_frame: || !(height>>(s->chroma_v_shift + s->spatial_decomposition_count))) s->spatial_decomposition_count--; + if (s->spatial_decomposition_count <= 0) { + av_log(avctx, AV_LOG_ERROR, "Resolution too low\n"); + return AVERROR(EINVAL); + } + s->m.pict_type = pic->pict_type; s->qbias = pic->pict_type == AV_PICTURE_TYPE_P ? 2 : 0;