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swscale: delay allocation of formatConvBuffer().

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That means it won't be allocated when not needed. Alongside
this, it fixes valgrind/fate-detected memory leaks.
This commit is contained in:
Ronald S. Bultje 2011-05-27 12:23:32 -04:00
parent f327bfa6dc
commit 389e2000eb
1 changed files with 1 additions and 1 deletions
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2
libswscale/utils.c
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@ -791,7 +791,6 @@ int sws_init_context(SwsContext *c, SwsFilter *srcFilter, SwsFilter *dstFilter)
srcW, srcH, dstW, dstH);
return AVERROR(EINVAL);
}
FF_ALLOC_OR_GOTO(c, c->formatConvBuffer, FFALIGN(srcW, 16) * 2, fail);
if (!dstFilter) dstFilter= &dummyFilter;
if (!srcFilter) srcFilter= &dummyFilter;
@ -847,6 +846,7 @@ int sws_init_context(SwsContext *c, SwsFilter *srcFilter, SwsFilter *dstFilter)
}
}
FF_ALLOC_OR_GOTO(c, c->formatConvBuffer, FFALIGN(srcW, 16) * 2, fail);
if (HAVE_MMX2 && cpu_flags & AV_CPU_FLAG_MMX2) {
c->canMMX2BeUsed= (dstW >=srcW && (dstW&31)==0 && (srcW&15)==0) ? 1 : 0;
if (!c->canMMX2BeUsed && dstW >=srcW && (srcW&15)==0 && (flags&SWS_FAST_BILINEAR)) {