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avformat_free_context: allow NULL as argument 

Fixes CID703682
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2012-10-20 19:48:26 +02:00
parent 830f7f189f
commit ee23dcf534
1 changed files with 3 additions and 0 deletions
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3
libavformat/utils.c
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@ -3018,6 +3018,9 @@ void avformat_free_context(AVFormatContext *s)
{
int i;
if (!s)
return;
av_opt_free(s);
if (s->iformat && s->iformat->priv_class && s->priv_data)
av_opt_free(s->priv_data);