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ff_lpc_calc_coefs: assert that the type is levinson or cholesky

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Otherwise the code could misbehave (and there are no other types anyway)
Fixes CID700759

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2013-07-09 11:19:27 +02:00
parent 3c5071db88
commit 0dd99628ea
1 changed files with 1 additions and 0 deletions
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libavcodec/lpc.c
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@ -182,6 +182,7 @@ int ff_lpc_calc_coefs(LPCContext *s,
av_assert2(max_order >= MIN_LPC_ORDER && max_order <= MAX_LPC_ORDER && av_assert2(max_order >= MIN_LPC_ORDER && max_order <= MAX_LPC_ORDER &&
lpc_type > FF_LPC_TYPE_FIXED); lpc_type > FF_LPC_TYPE_FIXED);
av_assert0(lpc_type == FF_LPC_TYPE_CHOLESKY || lpc_type == FF_LPC_TYPE_LEVINSON);
/* reinit LPC context if parameters have changed */ /* reinit LPC context if parameters have changed */
if (blocksize != s->blocksize || max_order != s->max_order || if (blocksize != s->blocksize || max_order != s->max_order ||