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yadif: fixed missing error handling for poll_frame. 

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Robert Nagy 2012-04-15 15:46:37 +02:00 committed by Michael Niedermayer
parent 3be0c86b97
commit 4d84c7ded6
1 changed files with 4 additions and 0 deletions
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4
libavfilter/vf_yadif.c
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@ -314,11 +314,15 @@ static int poll_frame(AVFilterLink *link)
return 1;
val = avfilter_poll_frame(link->src->inputs[0]);
if (val <= 0)
return val;
if (val >= 1 && !yadif->next) { //FIXME change API to not requre this red tape
if ((ret = avfilter_request_frame(link->src->inputs[0])) < 0)
return ret;
val = avfilter_poll_frame(link->src->inputs[0]);
if (val <= 0)
return val;
}
assert(yadif->next || !val);