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Merge remote-tracking branch 'qatar/master' 

* qatar/master:
  wmapro: check num_vec_coeffs against the actual available buffer

Conflicts:
	libavcodec/wmaprodec.c

The check is replaced by an assert.

See: b21ba20cc8

Merged-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2013-06-29 12:03:59 +02:00
parent 562e8d019b 3822936252
commit a3e9f4c32a
1 changed files with 4 additions and 2 deletions
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6
libavcodec/wmaprodec.c
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@ -1129,11 +1129,12 @@ static int decode_subframe(WMAProDecodeCtx *s)
cur_subwoofer_cutoff = s->subwoofer_cutoffs[s->table_idx];
/** configure the decoder for the current subframe */
offset += s->samples_per_frame >> 1;
for (i = 0; i < s->channels_for_cur_subframe; i++) {
int c = s->channel_indexes_for_cur_subframe[i];
s->channel[c].coeffs = &s->channel[c].out[(s->samples_per_frame >> 1)
+ offset];
s->channel[c].coeffs = &s->channel[c].out[offset];
}
s->subframe_len = subframe_len;
@ -1189,6 +1190,7 @@ static int decode_subframe(WMAProDecodeCtx *s)
av_log(s->avctx, AV_LOG_ERROR, "num_vec_coeffs %d is too large\n", num_vec_coeffs);
return AVERROR_INVALIDDATA;
}
av_assert0(num_vec_coeffs + offset <= FF_ARRAY_ELEMS(s->channel[c].out));
s->channel[c].num_vec_coeffs = num_vec_coeffs;
}
} else {