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lavf: ffio_limit(), treat avio_size()==0 as error.

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This works around issues arising from inputs that claim to have a
filesize of 0.

Reported-by: buzz_
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit e6362f3a3c)

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer
2011-12-31 15:27:51 +01:00
parent 0bf48d24d7
commit 4ae111cf71
1 changed files with 1 additions and 1 deletions
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2
libavformat/utils.c
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@@ -271,7 +271,7 @@ int ffio_limit(AVIOContext *s, int size)
if(remaining < size){ if(remaining < size){
int64_t newsize= avio_size(s); int64_t newsize= avio_size(s);
if(!s->maxsize || s->maxsize<newsize) if(!s->maxsize || s->maxsize<newsize)
s->maxsize= newsize; s->maxsize= newsize - !newsize;
remaining= s->maxsize - avio_tell(s); remaining= s->maxsize - avio_tell(s);
remaining= FFMAX(remaining, 0); remaining= FFMAX(remaining, 0);
} }