dpkg: error processing archive /var/cache/apt/archives/gstreamer1.0-plugins-bad_1.12.2-1+b1_amd64.deb (--unpack):
trying to overwrite '/usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstjpegformat.so', which is also in package gstreamer1.0-plugins-good:amd64 1.10.4-1ubuntu1
dpkg-deb: error: subprocess paste was killed by signal (Broken pipe)
Preparing to unpack .../libgstreamer-plugins-bad1.0-0_1.12.2-1+b1_amd64.deb ...
Unpacking libgstreamer-plugins-bad1.0-0:amd64 (1.12.2-1+b1) over (1.10.4-1ubuntu1) ...
dpkg: error processing archive /var/cache/apt/archives/libgstreamer-plugins-bad1.0-0_1.12.2-1+b1_amd64.deb (--unpack):
trying to overwrite '/usr/lib/x86_64-linux-gnu/libgstbasecamerabinsrc-1.0.so.0', which is also in package libgstreamer-plugins-good1.0-0:amd64 1.10.4-1ubuntu1
Errors were encountered while processing:
/var/cache/apt/archives/gstreamer1.0-plugins-bad_1.12.2-1+b1_amd64.deb
/var/cache/apt/archives/libgstreamer-plugins-bad1.0-0_1.12.2-1+b1_amd64.deb
E: Sub-process /usr/bin/dpkg returned an error code (1)
o pacote deb que você baixou tem programas que estão incluídos em um pacote diferente fornecido pelo repositório do Ubuntu.
Você tem que ficar com os pacotes no repositório do Ubuntu. ou faça o download e substitua todos os pacotes do plugin gstreamer.