diff options
| -rw-r--r-- | libavcodec/mlpdec.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/libavcodec/mlpdec.c b/libavcodec/mlpdec.c index eac19a0d5e..c0a23c5f0d 100644 --- a/libavcodec/mlpdec.c +++ b/libavcodec/mlpdec.c @@ -861,8 +861,13 @@ static int read_decoding_params(MLPDecodeContext *m, GetBitContext *gbp, if (s->param_presence_flags & PARAM_OUTSHIFT) if (get_bits1(gbp)) { - for (ch = 0; ch <= s->max_matrix_channel; ch++) + for (ch = 0; ch <= s->max_matrix_channel; ch++) { s->output_shift[ch] = get_sbits(gbp, 4); + if (s->output_shift[ch] < 0) { + avpriv_request_sample(m->avctx, "Negative output_shift"); + s->output_shift[ch] = 0; + } + } if (substr == m->max_decoded_substream) m->dsp.mlp_pack_output = m->dsp.mlp_select_pack_output(s->ch_assign, s->output_shift, |