apt-get -f install

sudo apt-get -f install
[sudo] password for jack:
Reading package lists... Done
Building dependency tree
Reading state information... Done
Correcting dependencies... Done
The following packages were automatically installed and are no longer required:
  libebml3 libgroupsock0 liblivemedia7 libmatroska5 libusageenvironment0
Use 'apt-get autoremove' to remove them.
The following extra packages will be installed:
  libebml4
The following NEW packages will be installed:
  libebml4
0 upgraded, 1 newly installed, 0 to remove and 19 not upgraded.
5 not fully installed or removed.
Need to get 0 B/51.7 kB of archives.
After this operation, 178 kB of additional disk space will be used.
Do you want to continue? [Y/n] y
(Reading database ... 218638 files and directories currently installed.)
Preparing to unpack .../libebml4_1.3.0-2_amd64.deb ...
Unpacking libebml4:amd64 (1.3.0-2) ...
dpkg: error processing archive /var/cache/apt/archives/libebml4_1.3.0-2_amd64.deb (--unpack):
 trying to overwrite '/usr/lib/x86_64-linux-gnu/libebml.so.4', which is also in package libebml3:amd64 1.3.0-0~ppa0
Errors were encountered while processing:
 /var/cache/apt/archives/libebml4_1.3.0-2_amd64.deb
E: Sub-process /usr/bin/dpkg returned an error code (1)