These are the packages that would be merged, in order:

Calculating dependencies... done!
[ebuild   R    ] media-video/ffmpeg-2.6.2:0/54.56.56::gentoo  USE="X alsa bzip2 encode gpl hardcoded-tables iconv mp3 network opengl postproc theora threads vaapi vorbis vpx x264 zlib -aac -aacplus (-altivec) -amr -amrenc (-armv5te) (-armv6) (-armv6t2) (-armvfp) -bluray -bs2b -cdio -celt -cpudetection -debug -doc -examples -faac -fdk -flite -fontconfig -frei0r -fribidi -gme -gnutls -gsm -iec61883 -ieee1394 -jack -jpeg2k -ladspa -libass -libcaca -libsoxr -libv4l -lzma (-mipsdspr1) (-mipsdspr2) (-mipsfpu) -modplug (-neon) -openal -openssl -opus -oss -pic -pulseaudio -quvi -rtmp -samba -schroedinger -sdl -speex -ssh -static-libs {-test} -truetype -twolame -v4l -vdpau -wavpack -webp -x265 -xcb -xvid -zvbi" ABI_X86="(64) -32 (-x32)" CPU_FLAGS_X86="mmx mmxext sse sse2 sse3 sse4_1 sse4_2 ssse3 -3dnow -3dnowext -avx -avx2 -fma3 -fma4 -xop" FFTOOLS="aviocat cws2fws ffescape ffeval ffhash fourcc2pixfmt graph2dot ismindex pktdumper qt-faststart trasher" 0 KiB

Total: 1 package (1 reinstall), Size of downloads: 0 KiB