我正在尝试安装 OpenCV4正如这里解释的那样
当我到达
sudo apt -y install libgstreamer0.10-dev libgstreamer-plugins-base0.10-dev
我收到
Reading package lists... Done
Building dependency tree
Reading state information... Done
E: Unable to locate package libgstreamer0.10-dev
E: Couldn't find any package by glob 'libgstreamer0.10-dev'
E: Couldn't find any package by regex 'libgstreamer0.10-dev'
E: Unable to locate package libgstreamer-plugins-base0.10-dev
E: Couldn't find any package by glob 'libgstreamer-plugins-base0.10-dev'
E: Couldn't find any package by regex 'libgstreamer-plugins-base0.10-dev'
我已经在线检查过包裹可在此处获取。我尝试手动下载并安装
sudo apt install ./libgstreamer0.10-dev_0.10.36-1.5ubuntu1_amd64.deb
这让我
Note, selecting 'libgstreamer0.10-dev' instead of './libgstreamer0.10-dev_0.10.36-1.5ubuntu1_amd64.deb'
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:
libgstreamer0.10-dev : Depends: libgstreamer0.10-0 (= 0.10.36-1.5ubuntu1) but it is not installable
Depends: libglib2.0-dev but it is not installable
Depends: libxml2-dev but it is not installable
Depends: gir1.2-gstreamer-0.10 (= 0.10.36-1.5ubuntu1) but it is not installable
E: Unable to correct problems, you have held broken packages.
我是 Ubuntu 新手（只用过 Manjaro）。我不明白为什么 apt 无法找到网站上的软件包。
答案1
libgstreamer0.10-dev在 Ubuntu 18.04 中已经过时。
因此，请使用较新的版本：
sudo apt install -y libgstreamer1.0-dev libgstreamer-plugins-base1.0-dev
这一定会有效。