vlc fails because of libav

emerge vlc
Calculating dependencies... done!
[ebuild  N     ] media-libs/libdvbpsi-1.2.0  USE="-doc -static-libs"
[ebuild   R    ] sys-libs/zlib-1.2.8-r1  USE="minizip*"
[ebuild  N     ] media-video/libav-9.12  USE="X aac alsa bzip2 encode gpl hardcoded-tables jack mmx mp3 network pulseaudio sdl ssl truetype vorbis x264 xvid zlib -3dnow -3dnowext (-altivec) -amr -avx -bindist -cdio -cpudetection -custom-cflags -debug -doc -faac -fdk -frei0r -gsm -ieee1394 -jpeg2k -mmxext (-neon) -openssl -opus -oss -pic -rtmp -schroedinger -speex -ssse3 -static-libs {-test} -theora -threads -tools -v4l -vaapi -vdpau (-vis) -vpx"
[ebuild  N     ] media-video/ffmpeg-1.2.6  USE="X aac alsa bzip2 encode hardcoded-tables iconv jack mmx mp3 network pulseaudio sdl truetype vorbis x264 xvid zlib -3dnow -3dnowext -aacplus (-altivec) -amr -avx -bindist -bluray -cdio (-celt) -cpudetection -debug -doc -examples -faac -fdk -flite -fontconfig -frei0r -gnutls -gsm -iec61883 -ieee1394 -jpeg2k -libass -libcaca -libsoxr -libv4l -mmxext -modplug (-neon) -openal -openssl -opus -oss -pic -rtmp -schroedinger -speex -ssse3 -static-libs {-test} -theora -threads -twolame -v4l -vaapi -vdpau (-vis) -vpx" FFTOOLS="aviocat cws2fws ffescape ffeval fourcc2pixfmt graph2dot ismindex pktdumper qt-faststart trasher"
[ebuild  N     ] virtual/ffmpeg-9  USE="X encode mp3 sdl truetype x264 -gsm -jpeg2k -opus -speex -theora -threads -vaapi -vdpau"
[ebuild  N     ] media-video/vlc-2.1.4  USE="X a52 alsa avahi avcodec avformat cdda dbus dts dvbpsi dvd encode ffmpeg flac gcrypt gnome jack libnotify mmx mp3 mpeg ncurses ogg opengl png postproc pulseaudio qt4 sdl sse svg swscale truetype udev vorbis x264 xcb xml xv -aalib (-altivec) -atmo (-audioqueue) -bidi -bluray -cddb -chromaprint -dc1394 -debug -dirac -directfb (-directx) -dvb (-dxva2) -egl -faad -fdk -fluidsynth -fontconfig -gme -gnutls -growl -httpd -ieee1394 (-ios-vout) -kate -kde -libass -libcaca -libsamplerate -libtar -libtiger -linsys -lirc -live -lua (-macosx) (-macosx-audio) (-macosx-dialog-provider) (-macosx-eyetv) (-macosx-qtkit) (-macosx-quartztext) (-macosx-vout) -matroska (-media-library) -modplug -mtp -musepack (-neon) -omxil -opencv -optimisememory -opus -projectm (-qt5) -rdp -rtsp -run-as-root -samba -schroedinger -sdl-image -sftp -shout -sid -skins -speex -taglib {-test} -theora -tremor -twolame -upnp -v4l -vaapi -vcdx -vdpau -vlm -vnc -wma-fixed -zvbi"
[blocks B      ] media-video/ffmpeg:0 ("media-video/ffmpeg:0" is blocking media-video/libav-9.12)

 * Error: The above package list contains packages which cannot be
 * installed at the same time on the same system.

  (media-video/ffmpeg-1.2.6:0/0::gentoo, ebuild scheduled for merge) pulled in by
    >=media-video/ffmpeg-1.2:0= required by (media-video/vlc-2.1.4:0/5-7::gentoo, ebuild scheduled for merge)

  (media-video/libav-9.12:0/9::gentoo, ebuild scheduled for merge) pulled in by
    >=media-video/libav-9[X?,encode?,gsm?,jpeg2k?,mp3?,opus?,sdl?,speex?,theora?,threads?,truetype?,vaapi?,vdpau?,x264?] (>=media-video/libav-9[X,encode,mp3,sdl,truetype,x264]) required by (virtual/ffmpeg-9:0/0::gentoo, ebuild scheduled for merge)


For more information about Blocked Packages, please refer to the following
section of the Gentoo Linux x86 Handbook (architecture is irrelevant):

http://www.gentoo.org/doc/en/handbook/handbook-x86.xml?full=1#blocked