So, here is reports for gstreamer (with banshee uninstalled):
Reading package lists... Done
Building dependency tree
Reading state information... Done
Reading extended state information
Initializing package states... Done
Writing extended state information... Done
The following NEW packages will be installed:
gstreamer0.10-plugins-good
The following packages will be REMOVED:
empathy-common{u} gstreamer0.10-esd{u} gstreamer0.10-plugins-bad{a}
libgdata7{u} python-libproxy{u}
0 packages upgraded, 1 newly installed, 5 to remove and 0 not upgraded.
Need to get 0B/1,659kB of archives. After unpacking 9,925kB will be
freed.
Do you want to continue? [Y/n/?] y
Writing extended state information... Done
(Reading database ... 201495 files and directories currently installed.)
Removing empathy-common ...
Removing gstreamer0.10-esd ...
Removing gstreamer0.10-plugins-bad ...
Removing libgdata7 ...
Removing python-libproxy ...
Processing triggers for gconf2 ...
Processing triggers for hicolor-icon-theme ...
Processing triggers for libc-bin ...
ldconfig deferred processing now taking place
Processing triggers for python-support ...
Selecting previously deselected package gstreamer0.10-plugins-good.
(Reading database ... 200440 files and directories currently installed.)
Unpacking gstreamer0.10-plugins-good (from
.../gstreamer0.10-plugins-good_0.10.23-1ubuntu1_amd64.deb) ...
Processing triggers for gconf2 ...
WARNING: Failed to parse default value `[?
???;gnome-appearance-properties.desktop,?
???;gnome-default-applications.desktop,??
??;system-config-printer.desktop] ' for schema
(/schemas/apps/control-center/cc_actions_list)
WARNING: Failed to parse default value `' for schema
(/schemas/desktop/gnome/f-spot/ui/main_window_x)
WARNING: Failed to parse default value `' for schema
(/schemas/desktop/gnome/f-spot/ui/main_window_y)
WARNING: Failed to parse default value `' for schema
(/schemas/desktop/gnome/f-spot/ui/viewer_x)
WARNING: Failed to parse default value `' for schema
(/schemas/desktop/gnome/f-spot/ui/viewer_y)
Setting up gstreamer0.10-plugins-good (0.10.23-1ubuntu1) ...
Reading package lists... Done
Building dependency tree
Reading state information... Done
Reading extended state information
Initializing package states... Done
Writing extended state information... Done
I installed Banshee:
Reading package lists... Done
Building dependency tree
Reading state information... Done
Reading extended state information
Initializing package states... Done
The following packages are BROKEN:
gstreamer0.10-plugins-good
The following NEW packages will be installed:
banshee gstreamer0.10-plugins-bad{a} libboo2.0.9-cil{a}
libmono-zeroconf1.0-cil{a} libtaglib2.0-cil{a} libwebkit1.1-cil{a}
podsleuth{a}
0 packages upgraded, 7 newly installed, 0 to remove and 0 not upgraded.
Need to get 0B/6,083kB of archives. After unpacking 19.4MB will be used.
The following packages have unmet dependencies:
gstreamer0.10-plugins-good: Conflicts: gstreamer0.10-plugins-bad (
0.10.18.2) but 0.10.18-2ubuntu1 is to be installed.
The following actions will resolve these dependencies:
Keep the following packages at their current version:
gstreamer0.10-plugins-bad [Not Installed]
Leave the following dependencies unresolved:
banshee recommends gstreamer0.10-plugins-bad
Score is -141
Accept this solution? [Y/n/q/?] y
The following NEW packages will be installed:
banshee libboo2.0.9-cil{a} libmono-zeroconf1.0-cil{a} libtaglib2.0-cil{a}
libwebkit1.1-cil{a} podsleuth{a}
The following packages will be REMOVED:
freepats{u} libcdaudio1{u} libcelt0-0{u} libflite1{u} libgme0{u}
libiptcdata0{u} libkate1{u} libmimic0{u} libofa0{u} liborc-0.4-0{u}
libsoundtouch1c2{u} libwildmidi0{u}
The following packages are RECOMMENDED but will NOT be installed:
gstreamer0.10-plugins-bad
0 packages upgraded, 6 newly installed, 12 to remove and 0 not upgraded.
Need to get 0B/4,492kB of archives. After unpacking 46.4MB will be
freed.
Do you want to continue? [Y/n/?] y
Writing extended state information... Done
(Reading database ... 200519 files and directories currently installed.)
Removing freepats ...
Removing libcdaudio1 ...
Removing libcelt0-0 ...
Removing libflite1 ...
Removing libgme0 ...
Removing libiptcdata0 ...
Removing libkate1 ...
Removing libmimic0 ...
Removing libofa0 ...
Removing liborc-0.4-0 ...
Removing libsoundtouch1c2 ...
Removing libwildmidi0 ...
Processing triggers for libc-bin ...
ldconfig deferred processing now taking place
Selecting previously deselected package libboo2.0.9-cil.
(Reading database ... 200268 files and directories currently installed.)
Unpacking libboo2.0.9-cil (from
.../libboo2.0.9-cil_0.9.2.3383+dfsg-1_all.deb) ...
Selecting previously deselected package libmono-zeroconf1.0-cil.
Unpacking libmono-zeroconf1.0-cil (from
