Debian 8のインストール時にffmpegの問題

Question

Debian 8に「ffmpeg」をインストールしようとしましたが、問題があります。私はこのエラーを持っている

apt-get install ffmpeg 

...

Reading package lists... Done 
Building dependency tree 
Reading state information... Done 
Some packages could not be installed. This may mean that you have 
requested an impossible situation or if you are using the unstable 
distribution that some required packages have not yet been created 
or been moved out of Incoming. 
The following information may help to resolve the situation: 

The following packages have unmet dependencies: 
ffmpeg : Depends: libavcodec57 (>= 10:3.2.2) but it is not going to be installed 
      Depends: libavdevice57 (>= 10:3.2.2) but it is not going to be installed 
      Depends: libavfilter6 (>= 10:3.2.2) but it is not going to be installed 
      Depends: libavformat57 (>= 10:3.2.2) but it is not going to be installed 
      Depends: libsdl2-2.0-0 (>= 2.0.4) but it is not going to be installed 
      Depends: libva1 (>= 1.7.3) but 1.4.1-1 is to be installed 
x264 : Depends: libffms2-4 (>= 1:2.23) but it is not going to be installed 
E: Unable to correct problems, you have held broken packages. 

Answer 1

これらの依存関係は、ジェシーのバックポートで使用可能です。