ffmpeg source package in Zesty

ffmpeg: No summary available for ffmpeg in ubuntu yakkety.
ffmpeg-dbgsym: No summary available for ffmpeg-dbgsym in ubuntu zesty.
ffmpeg-doc: No summary available for ffmpeg-doc in ubuntu yakkety.
libav-tools: No summary available for libav-tools in ubuntu yakkety.
libavcodec-dev: No summary available for libavcodec-dev in ubuntu yakkety.
libavcodec-extra: No summary available for libavcodec-extra in ubuntu yakkety.
libavcodec-extra57: No summary available for libavcodec-extra57 in ubuntu yakkety.
libavcodec-extra57-dbgsym: No summary available for libavcodec-extra57-dbgsym in ubuntu zesty.
libavcodec57: No summary available for libavcodec57 in ubuntu yakkety.
libavcodec57-dbgsym: No summary available for libavcodec57-dbgsym in ubuntu yakkety.
libavdevice-dev: No summary available for libavdevice-dev in ubuntu yakkety.
libavdevice57: No summary available for libavdevice57 in ubuntu yakkety.
libavdevice57-dbgsym: No summary available for libavdevice57-dbgsym in ubuntu yakkety.
libavfilter-dev: No summary available for libavfilter-dev in ubuntu yakkety.
libavfilter6: No summary available for libavfilter6 in ubuntu zesty.
libavfilter6-dbgsym: No summary available for libavfilter6-dbgsym in ubuntu yakkety.
libavformat-dev: No summary available for libavformat-dev in ubuntu yakkety.
libavformat57: No summary available for libavformat57 in ubuntu zesty.
libavformat57-dbgsym: No summary available for libavformat57-dbgsym in ubuntu zesty.
libavresample-dev: No summary available for libavresample-dev in ubuntu zesty.
libavresample3: No summary available for libavresample3 in ubuntu yakkety.
libavresample3-dbgsym: No summary available for libavresample3-dbgsym in ubuntu zesty.
libavutil-dev: No summary available for libavutil-dev in ubuntu yakkety.
libavutil55: No summary available for libavutil55 in ubuntu zesty.
libavutil55-dbgsym: No summary available for libavutil55-dbgsym in ubuntu yakkety.
libpostproc-dev: No summary available for libpostproc-dev in ubuntu zesty.
libpostproc54: No summary available for libpostproc54 in ubuntu zesty.
libpostproc54-dbgsym: No summary available for libpostproc54-dbgsym in ubuntu yakkety.
libswresample-dev: No summary available for libswresample-dev in ubuntu yakkety.
libswresample2: No summary available for libswresample2 in ubuntu yakkety.
libswresample2-dbgsym: No summary available for libswresample2-dbgsym in ubuntu yakkety.
libswscale-dev: No summary available for libswscale-dev in ubuntu yakkety.
libswscale4: No summary available for libswscale4 in ubuntu yakkety.
libswscale4-dbgsym: No summary available for libswscale4-dbgsym in ubuntu yakkety.