[FFmpeg-user] build error at libavformat/udp.o

[Edward Park]

Hi,

>>   d. Android NDK version : r16
> 
> The issue is (for example) not reproducible with r19b here.


It turns out this is the crux of the problem, android idiosyncrasy in its c library. Actually the error was describing the exact problem, ip_mreq_source struct is defined differently.

https://issuetracker.google.com/issues/36987220

Regards,
Ted Park