安装ubuntu-restricted-extras时出错
在安装通过运行此命令启动的ubuntu-restricted-extras期间：
sudo apt-get install ubuntu-restricted-extras
我收到了这些错误：
Selecting previously unselected package libvo-amrwbenc0:amd64. Preparing to unpack .../libvo-amrwbenc0_0.1.3-1_amd64.deb ... Unpacking libvo-amrwbenc0:amd64 (0.1.3-1) ... dpkg: libavcodec56:amd64: dependency problems, but removing anyway as you requested: libchromaprint0:amd64 depends on libavcodec56 (>= 6:11~beta1) | libavcodec-extra-56 (>= 6:11); however: Package libavcodec56:amd64 is to be removed. Package libavcodec-extra-56 is not installed. vlc depends on libavcodec56 (>= 6:11~beta1) | libavcodec-extra-56 (>= 6:11.2); however: Package libavcodec56:amd64 is to be removed. Package libavcodec-extra-56 is not installed. vlc-nox depends on libavcodec56 (>= 6:11~beta1) | libavcodec-extra-56 (>= 6:11.2); however: Package libavcodec56:amd64 is to be removed. Package libavcodec-extra-56 is not installed. libavformat56:amd64 depends on libavcodec56 (>= 6:11~beta1) | libavcodec-extra-56 (>= 6:11.2); however: Package libavcodec56:amd64 is to be removed. Package libavcodec-extra-56 is not installed.
这有点让我担心，因为它似乎已经卸载了一些重要的依赖项。 我应该担心这个吗？ 我需要做些什么吗？ 我正在运行Ubuntu GNOME 15.04。
信息更新：
运行sudo apt-get install -f ，输出显示没有问题，运行sudo dpkg --configure -a时没有输出sudo dpkg --configure -a 。
apt-cache policy libchromaprint0 libavcodec56 libavcodec-extra-56 vlc的输出apt-cache policy libchromaprint0 libavcodec56 libavcodec-extra-56 vlc是：
libchromaprint0: Installed: 1.2-1 Candidate: 1.2-1 Version table: *** 1.2-1 0 500 http://archive.ubuntu.com/ubuntu/ vivid/universe amd64 Packages 100 /var/lib/dpkg/status libavcodec56: Installed: (none) Candidate: 6:11.2-1 Version table: 6:11.2-1 0 500 http://archive.ubuntu.com/ubuntu/ vivid/universe amd64 Packages 100 /var/lib/dpkg/status libavcodec-extra-56: Installed: 6:11.2-1 Candidate: 6:11.2-1 Version table: *** 6:11.2-1 0 500 http://archive.ubuntu.com/ubuntu/ vivid/universe amd64 Packages 100 /var/lib/dpkg/status vlc: Installed: 2.2.0-1 Candidate: 2.2.0-1 Version table: *** 2.2.0-1 0 500 http://archive.ubuntu.com/ubuntu/ vivid/universe amd64 Packages 100 /var/lib/dpkg/status
我试图再次安装libavcodec56 ，但这就是我得到的：
Reading package lists... Done Building dependency tree Reading state information... Done The following packages will be REMOVED libavcodec-extra libavcodec-extra-56 The following NEW packages will be installed libavcodec56 0 to upgrade, 1 to newly install, 2 to remove and 0 not to upgrade. Need to get 0 B/3,046 kB of archives. After this operation, 88.1 kB disk space will be freed. Do you want to continue? [Y/n] y (Reading database ... 232524 files and directories currently installed.) Removing libavcodec-extra (6:11.2-1) ... dpkg: libavcodec-extra-56:amd64: dependency problems, but removing anyway as you requested: libchromaprint0:amd64 depends on libavcodec56 (>= 6:11~beta1) | libavcodec-extra-56 (>= 6:11); however: Package libavcodec56:amd64 is not installed. Package libavcodec-extra-56:amd64 is to be removed. vlc depends on libavcodec56 (>= 6:11~beta1) | libavcodec-extra-56 (>= 6:11.2); however: Package libavcodec56:amd64 is not installed. Package libavcodec-extra-56:amd64 is to be removed. vlc-nox depends on libavcodec56 (>= 6:11~beta1) | libavcodec-extra-56 (>= 6:11.2); however: Package libavcodec56:amd64 is not installed. Package libavcodec-extra-56:amd64 is to be removed. libavformat56:amd64 depends on libavcodec56 (>= 6:11~beta1) | libavcodec-extra-56 (>= 6:11.2); however: Package libavcodec56:amd64 is not installed. Package libavcodec-extra-56:amd64 is to be removed. libopencv-highgui2.4:amd64 depends on libavcodec56 (>= 6:11~beta1) | libavcodec-extra-56 (>= 6:11~beta1); however: Package libavcodec56:am Removing libavcodec-extra-56:amd64 (6:11.2-1) ... Processing triggers for libc-bin (2.21-0ubuntu4) ...
现在apt-cache policy libchromaprint0 libavcodec56 libavcodec-extra-56 vlc的输出apt-cache policy libchromaprint0 libavcodec56 libavcodec-extra-56 vlc是：
libchromaprint0: Installed: 1.2-1 Candidate: 1.2-1 Version table: *** 1.2-1 0 500 http://archive.ubuntu.com/ubuntu/ vivid/universe amd64 Packages 100 /var/lib/dpkg/status libavcodec56: Installed: 6:11.2-1 Candidate: 6:11.2-1 Version table: *** 6:11.2-1 0 500 http://archive.ubuntu.com/ubuntu/ vivid/universe amd64 Packages 100 /var/lib/dpkg/status libavcodec-extra-56: Installed: (none) Candidate: 6:11.2-1 Version table: 6:11.2-1 0 500 http://archive.ubuntu.com/ubuntu/ vivid/universe amd64 Packages 100 /var/lib/dpkg/status vlc: Installed: 2.2.0-1 Candidate: 2.2.0-1 Version table: *** 2.2.0-1 0 500 http://archive.ubuntu.com/ubuntu/ vivid/universe amd64 Packages 100 /var/lib/dpkg/status
该交易是，删除以打破依赖循环并重新安装所需的内容。
删除一些包：
sudo apt-get remove vlc sudo apt-get remove libchromaprint0 sudo apt-get remove libavcodec-extra-56 libavcodec-56
现在删除过时的包：
sudo apt-get autoremove
重新安装：
sudo apt-get install --reinstall ubuntu-restricted-extra sudo apt-get install vlc