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;