diff options
| -rw-r--r-- | libavcodec/indeo4.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/libavcodec/indeo4.c b/libavcodec/indeo4.c index f1ef02a74c..dbf24fac2a 100644 --- a/libavcodec/indeo4.c +++ b/libavcodec/indeo4.c @@ -352,6 +352,12 @@ static int decode_band_hdr(IVI45DecContext *ctx, IVIBandDesc *band, av_log(avctx, AV_LOG_ERROR, "Custom scan pattern encountered!\n"); return AVERROR_INVALIDDATA; } + if (scan_indx > 4 && scan_indx < 10) { + if (band->blk_size != 4) + return AVERROR_INVALIDDATA; + } else if (band->blk_size != 8) + return AVERROR_INVALIDDATA; + band->scan = scan_index_to_tab[scan_indx]; band->quant_mat = get_bits(&ctx->gb, 5); |