gmf doesn't work about gmf HOT 2 OPEN

# ffmpeg
ffmpeg version N-52511-g3fa6c99 Copyright (c) 2000-2013 the FFmpeg developers
  built on Apr 27 2013 12:39:22 with gcc 4.7 (SUSE Linux)
  configuration: --prefix=/usr --enable-gpl --enable-shared --enable-version3 --enable-runtime-cpudetect --enable-hardcoded-tables --enable-memalign-hack --enable-bzlib --enable-frei0r --enable-libgsm --enable-libmp3lame --enable-libaacplus --enable-libfaac --enable-librtmp --enable-libspeex --enable-libtheora --enable-libvorbis --enable-libvpx --enable-libx264 --enable-libxvid --enable-zlib --enable-pthreads --enable-nonfree --enable-yasm --enable-openssl --enable-openal --enable-gnutls --enable-libass --enable-libcdio --enable-libcelt --enable-libdc1394 --enable-libmodplug --enable-zlib --enable-bzlib
  libavutil      52. 27.101 / 52. 27.101
  libavcodec     55.  6.100 / 55.  6.100
  libavformat    55.  3.100 / 55.  3.100
  libavdevice    55.  0.100 / 55.  0.100
  libavfilter     3. 60.102 /  3. 60.102
  libswscale      2.  2.100 /  2.  2.100
  libswresample   0. 17.102 /  0. 17.102
  libpostproc    52.  3.100 / 52.  3.100
Hyper fast Audio and Video encoder
usage: ffmpeg [options] [[infile options] -i infile]... {[outfile options] 
outfile}...

Use -h to get full help or, even better, run 'man ffmpeg'

I confirm this bug 

valor@asshurt:~/dev/go/src/podryad.tv/camsnap$ go get code.google.com/p/gmf/gmf 

# code.google.com/p/gmf/gmf                                                     

../../code.google.com/p/gmf/gmf/avcodec.go:50:2: cannot embed C type            

../../code.google.com/p/gmf/gmf/avformat.go:20:3: cannot embed C type           

../../code.google.com/p/gmf/gmf/avformat.go:24:3: cannot embed C type           

38: error: 'AVCODEC_MAX_AUDIO_FRAME_SIZE' undeclared (first use in this 
function)                                    
38: error: 'avcodec_get_context_defaults2' undeclared (first use in this 
function)