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avutil/log: fix race between setting and using the log callback

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Found-by: wm4
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2013-10-17 00:48:43 +02:00
parent 9a63a45e48
commit 3ed65d98c6
1 changed files with 3 additions and 2 deletions
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5
libavutil/log.c
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@ -268,8 +268,9 @@ void av_log(void* avcl, int level, const char *fmt, ...)
void av_vlog(void* avcl, int level, const char *fmt, va_list vl)
{
if(av_log_callback)
av_log_callback(avcl, level, fmt, vl);
void (*log_callback)(void*, int, const char*, va_list) = av_log_callback;
if (log_callback)
log_callback(avcl, level, fmt, vl);
}
int av_log_get_level(void)