linux:~ # zypper se -si libavcodec
Loading repository data...
Reading installed packages...
S  | Name               | Type    | Version          | Arch   | Repository                             
---+--------------------+---------+------------------+--------+----------------------------------------
i+ | libavcodec-libav56 | package | 11.4-16.5        | x86_64 | rpm_cloud                              
i+ | libavcodec52       | package | 0.7.16-8.1       | x86_64 | (System Packages)                      
i+ | libavcodec53       | package | 0.10.16-7.1      | x86_64 | (System Packages)                      
i+ | libavcodec54       | package | 1.2.12-56.1      | x86_64 | (System Packages)                      
i+ | libavcodec55       | package | 2.3-1.21         | x86_64 | (System Packages)                      
i+ | libavcodec56       | package | 2.8.15-lp150.6.1 | x86_64 | Packman Repository - openSUSE_Leap_15.0
i+ | libavcodec57       | package | 3.4.4-lp150.9.1  | x86_64 | Packman Repository - openSUSE_Leap_15.0
i+ | libavcodec58       | package | 4.0.2-lp150.18.1 | x86_64 | Packman Repository - openSUSE_Leap_15.0+ | libavcodec-libav56 | package | 11.4-16.5        | x86_64 | rpm_cloud                              
i+ | libavcodec52       | package | 0.7.16-8.1       | x86_64 | (System Packages)                      
i+ | libavcodec53       | package | 0.10.16-7.1      | x86_64 | (System Packages)                      
i+ | libavcodec54       | package | 1.2.12-56.1      | x86_64 | (System Packages)                      
i+ | libavcodec55       | package | 2.3-1.21         | x86_64 | (System Packages)Code:zypper lr -d