diff options
Diffstat (limited to 'libavcodec/indeo4.c')
| -rw-r--r-- | libavcodec/indeo4.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/libavcodec/indeo4.c b/libavcodec/indeo4.c index dbf24fac2a..1d68ded3ff 100644 --- a/libavcodec/indeo4.c +++ b/libavcodec/indeo4.c @@ -346,6 +346,13 @@ static int decode_band_hdr(IVI45DecContext *ctx, IVIBandDesc *band, band->inv_transform = transforms[transform_id].inv_trans; band->dc_transform = transforms[transform_id].dc_trans; band->is_2d_trans = transforms[transform_id].is_2d_trans; + if (transform_id < 10) + band->transform_size = 8; + else + band->transform_size = 4; + + if (band->blk_size != band->transform_size) + return AVERROR_INVALIDDATA; scan_indx = get_bits(&ctx->gb, 4); if (scan_indx == 15) { |