Comment 1 for bug 419374

This is a known bug. Looks like it is fixed in LAME CVS and LAME 3.98 bug fix branch.

Issue 803: libmp3lame: output buffer too small
https://roundup.mplayerhq.hu/roundup/ffmpeg/issue803

2553863 - lame_encode_flush() returns -1
http://sourceforge.net/tracker/?func=detail&aid=2553863&group_id=290&atid=100290