libavformat/flvenc.c:229: error: Uninitialized Value
  The value read from samplesize was never initialized.

libavformat/flvenc.c:229:9: 
227. 
228.         put_amf_string(pb, "audiosamplesize");
229.         put_amf_double(pb, samplesize);
             ^
230. 
231.         put_amf_string(pb, "stereo");
