mplayer: keyboard controls don't work for regular users

[mds]

Binary package hint: mplayer

The keyboard controls don't work is mplayer is started as regular user. As root user howerver it works fine.

ProblemType: Bug
DistroRelease: Ubuntu 10.04
Package: mplayer 2:1.0~rc3+svn20090426-1ubuntu16.1
ProcVersionSignature: Ubuntu 2.6.32-28.55-generic 2.6.32.27+drm33.12
Uname: Linux 2.6.32-28-generic x86_64
NonfreeKernelModules: nvidia
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.21.
Architecture: amd64
ArecordDevices:
 **** List of CAPTURE Hardware Devices ****
 card 0: NVidia [HDA NVidia], device 0: AD198x Analog [AD198x Analog]
   Subdevices: 1/1
   Subdevice #0: subdevice #0
AudioDevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC0: silvio 1973 F.... pulseaudio
                      silvio 2317 F.... mythfrontend.re
Card0.Amixer.info:
 Card hw:0 'NVidia'/'HDA NVidia at 0xfe024000 irq 22'
   Mixer name : 'Analog Devices AD1986A'
   Components : 'HDA:11d41986,104381b3,00100500'
   Controls : 37
   Simple ctrls : 21
Card1.Amixer.info:
 Card hw:1 'UART'/'MPU-401 UART at 0x330, irq 10'
   Mixer name : ''
   Components : ''
   Controls : 0
   Simple ctrls : 0
Card1.Amixer.values:

Date: Mon Feb 28 22:24:51 2011
InstallationMedia: Ubuntu 10.04 LTS "Lucid Lynx" - Release amd64 (20100427.1)
ProcEnviron:
 LANG=en_US.utf8
 SHELL=/bin/bash
RelatedPackageVersions:
 libavcodec52 N/A
 libavcodec-extra-52 4:0.5.1-1ubuntu1
SourcePackage: mplayer
UserConf: # Write your default config options here!
dmi.bios.date: 11/29/2006
dmi.bios.vendor: Phoenix Technologies, LTD
dmi.bios.version: ASUS M2NPV-VM ACPI BIOS Revision 0603
dmi.board.name: M2NPV-VM
dmi.board.vendor: ASUSTek Computer INC.
dmi.board.version: 1.xx
dmi.chassis.asset.tag: 123456789000
dmi.chassis.type: 3
dmi.chassis.vendor: Chassis Manufacture
dmi.chassis.version: Chassis Version
dmi.modalias: dmi:bvnPhoenixTechnologies,LTD:bvrASUSM2NPV-VMACPIBIOSRevision0603:bd11/29/2006:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTekComputerINC.:rnM2NPV-VM:rvr1.xx:cvnChassisManufacture:ct3:cvrChassisVersion:
dmi.product.name: System Product Name
dmi.product.version: System Version
dmi.sys.vendor: System manufacturer
system: distro = Ubuntu, architecture = x86_64, kernel = 2.6.32-28-generic