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dnxhdenc: fix mb_rc size 

Fixes out of array access with RC_VARIANCE set to 0

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit f1caaa1c61)

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2014-01-17 20:09:48 +01:00
parent ad4963a944
commit 98f44b24b5
1 changed files with 1 additions and 1 deletions
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2
libavcodec/dnxhdenc.c
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@ -220,7 +220,7 @@ static int dnxhd_init_qmat(DNXHDEncContext *ctx, int lbias, int cbias)
static int dnxhd_init_rc(DNXHDEncContext *ctx) static int dnxhd_init_rc(DNXHDEncContext *ctx)
{ {
FF_ALLOCZ_OR_GOTO(ctx->m.avctx, ctx->mb_rc, 8160*ctx->m.avctx->qmax*sizeof(RCEntry), fail); FF_ALLOCZ_OR_GOTO(ctx->m.avctx, ctx->mb_rc, 8160*(ctx->m.avctx->qmax + 1)*sizeof(RCEntry), fail);
if (ctx->m.avctx->mb_decision != FF_MB_DECISION_RD) if (ctx->m.avctx->mb_decision != FF_MB_DECISION_RD)
FF_ALLOCZ_OR_GOTO(ctx->m.avctx, ctx->mb_cmp, ctx->m.mb_num*sizeof(RCCMPEntry), fail); FF_ALLOCZ_OR_GOTO(ctx->m.avctx, ctx->mb_cmp, ctx->m.mb_num*sizeof(RCCMPEntry), fail);