fails to build with ffmpeg 3.0
I was hoping that the original reporter would reply to your mail. But since I don't...
Patch from the bug report.
incorrect check/decoding for utf-16 surrogates in id3 parser
I think the configure script needs to check if gcc needs -msse to compile anything...
Patch to fix implicit declarations
Patch for libav 9 and libav 10 compatibility