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| author | Michael Niedermayer <michaelni@gmx.at> | 2013-07-14 13:37:40 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2013-07-14 13:37:40 +0200 |
| commit | a8e5fac1fb3fddeea829648139aa345af9cdc16c (patch) | |
| tree | 46a212be2aa790088f37b483ebe5096e8f729b2d /libavcodec/indeo4.c | |
| parent | ccb422a69728ac739b20ba2c67d49d265fd20fdb (diff) | |
| parent | dc79685195a45c9b8b17d7b93d118e0aefa45462 (diff) | |
| download | ffmpeg-a8e5fac1fb3fddeea829648139aa345af9cdc16c.tar.gz | |
Merge remote-tracking branch 'qatar/master'
* qatar/master:
indeo: Bound-check before applying transform
Conflicts:
libavcodec/indeo4.c
libavcodec/indeo5.c
libavcodec/ivi_common.c
See: af388237093ed6df6f5118b34ef938a2ca2ffbda, 0846719dd11ab3f7a7caee13e7af71f71d913389
Merged-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavcodec/indeo4.c')
| -rw-r--r-- | libavcodec/indeo4.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/libavcodec/indeo4.c b/libavcodec/indeo4.c index c35ca33fc3..474140e641 100644 --- a/libavcodec/indeo4.c +++ b/libavcodec/indeo4.c @@ -352,7 +352,14 @@ 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; - band->transform_size= (transform_id < 10) ? 8 : 4; + + 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) { |