Anton Khirnov:
> Quoting Andreas Rheinhardt (2020-03-29 06:14:37)
>> If one calls av_opt_set() with an incorrect string to set the value of
>> an option of type AV_OPT_TYPE_VIDEO_RATE, the given string is used in a
>> log message via %s. This also happens when the string is actually a
>> nullpointer in which case using it for %s is forbidden.
>>
>> This commit changes this by erroring out early in case of a nullpointer.
>>
>> This also fixes a warning from GCC 9.2:
>> "ā€˜%s’ directive argument is null [-Wformat-overflow=]"
>>
>> Signed-off-by: Andreas Rheinhardt <[email protected]>
>> ---
> 
> Looks ok
> 
Applied, thanks.

- Andreas
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