Voici les retours des commandes
# apt-cache showpkg imagination
Package: imagination
Versions:
3.0-5 (/var/lib/apt/lists/ftp.be.debian.org_debian_dists_jessie_main_binary-amd64_Packages) (/var/lib/apt/lists/http.debian.net_debian_dists_jessie_main_binary-amd64_Packages) (/var/lib/dpkg/status)
Description Language:
File: /var/lib/apt/lists/ftp.be.debian.org_debian_dists_jessie_main_binary-amd64_Packages
MD5: f0666a766687290b4d78f773adaa09e7
Description Language: en
File: /var/lib/apt/lists/ftp.be.debian.org_debian_dists_jessie_main_i18n_Translation-en
MD5: f0666a766687290b4d78f773adaa09e7
Reverse Depends:
imagination:i386,imagination
imagination-common,imagination 2.0-1
imagination-common,imagination 2.0-1
Dependencies:
3.0-5 - imagination-common (5 3.0-5) sox (0 (null)) libatk1.0-0 (2 1.12.4) libc6 (2 2.4) libcairo2 (2 1.2.4) libfontconfig1 (2 2.11) libfreetype6 (2 2.2.1) libgdk-pixbuf2.0-0 (2 2.22.0) libglib2.0-0 (2 2.37.3) libgtk2.0-0 (2 2.14.0) libpango-1.0-0 (2 1.14.0) libpangocairo-1.0-0 (2 1.14.0) libpangoft2-1.0-0 (2 1.14.0) libsox2 (2 14.4.0) ffmpeg (0 (null)) libsox-fmt-all (0 (null)) libavcodec-extra-55 (0 (null)) libavformat55 (0 (null)) libavutil53 (0 (null)) imagination:i386 (0 (null))
Provides:
3.0-5 -
Reverse Provides:
puis
# apt list ffmpeg
En train de lister... Fait
ffmpeg/jessie-backports,now 7:3.2.4-1~bpo8+1 amd64 [installé, automatique]
et la dernière
# apt list libavcodec*
En train de lister... Fait
libavcodec-dev/stable,stable 6:11.9-1~deb8u1 amd64
libavcodec-extra/stable,stable 6:11.9-1~deb8u1 all
libavcodec-extra-56/stable,stable 6:11.9-1~deb8u1 amd64
libavcodec-extra57/jessie-backports 7:3.2.4-1~bpo8+1 amd64
libavcodec56/stable,stable,now 6:11.9-1~deb8u1 amd64 [installé, automatique]
libavcodec57/jessie-backports,now 7:3.2.4-1~bpo8+1 amd64 [installé, automatique]