diff options
-rw-r--r-- | libavcodec/dirac.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/libavcodec/dirac.c b/libavcodec/dirac.c index 33cc960..faf5534 100644 --- a/libavcodec/dirac.c +++ b/libavcodec/dirac.c @@ -262,6 +262,9 @@ static int parse_source_parameters(AVDiracSeqHeader *dsh, GetBitContext *gb, dsh->bit_depth = luma_depth; + if (dsh->pixel_range_index < 2U) + return AVERROR_INVALIDDATA; + dsh->pix_fmt = dirac_pix_fmt[dsh->chroma_format][dsh->pixel_range_index-2]; avcodec_get_chroma_sub_sample(dsh->pix_fmt, &chroma_x_shift, &chroma_y_shift); if ((dsh->width % (1<<chroma_x_shift)) || (dsh->height % (1<<chroma_y_shift))) { |