diff options
| author | Jai Luthra <me@jailuthra.in> | 2020-02-02 22:03:00 +0300 |
|---|---|---|
| committer | Paul B Mahol <onemda@gmail.com> | 2020-02-04 13:19:12 +0300 |
| commit | 49cfbedb9d5a35d4701b37e9908172807eb67100 (patch) | |
| tree | 56eb223d4325ac5982830348a55d5ef9bb9119f3 /libavcodec/mlpdec.c | |
| parent | d6cef144e21763927ae8992221dc587c3398b4ef (diff) | |
mlp: check huff_lsbs only when codebook is used
When no codebook is used, huff_lsbs can be more than 24 and still decode to
original values once filters are applied.
Signed-off-by: Jai Luthra <me@jailuthra.in>
Diffstat (limited to 'libavcodec/mlpdec.c')
| -rw-r--r-- | libavcodec/mlpdec.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/mlpdec.c b/libavcodec/mlpdec.c index 39c40914cd..22a6efd63d 100644 --- a/libavcodec/mlpdec.c +++ b/libavcodec/mlpdec.c @@ -829,7 +829,7 @@ static int read_channel_params(MLPDecodeContext *m, unsigned int substr, cp->codebook = get_bits(gbp, 2); cp->huff_lsbs = get_bits(gbp, 5); - if (cp->huff_lsbs > 24) { + if (cp->codebook > 0 && cp->huff_lsbs > 24) { av_log(m->avctx, AV_LOG_ERROR, "Invalid huff_lsbs.\n"); cp->huff_lsbs = 0; return AVERROR_INVALIDDATA; |