add media status.
player: show media status on title bar
register AVError as meta type. otherwise connecting may fail
fix qt4 build error (metatype macro)
add version check to avoid av_pix_fmt_count_planes redefinition. issue
Merge remote-tracking branch 'upstream/master'
Playing from QIODevice was broken, is fixed now. IO Buffer
(de)allocation now done as is advised by ffmpeg.