Configuración de MPlayer (Gnome MPlayer)

[Juanjo]

> Hola a todos estoy probando un Compaq Presario 700EA (con pocos
> recursos 337 Mb RAM) y  no puedo ver películas con Gnome Mplayer ni
> SMPlayer, con Totem y VLC si que puedo, a trompicones.
> Me podrián indicar como  tengo que configurarlo. Gracias.
> 
> Salida de lspci:
> 
> 00:00.0 Host bridge: VIA Technologies, Inc. VT8363/8365 [KT133/KM133]
> (rev 80)
> 00:01.0 PCI bridge: VIA Technologies, Inc. VT8363/8365 [KT133/KM133
> AGP]
> 00:07.0 ISA bridge: VIA Technologies, Inc. VT82C686 [Apollo Super
> South] (rev 42)
> 00:07.1 IDE interface: VIA Technologies, Inc.
> VT82C586A/B/VT82C686/A/B/VT823x/A/C PIPC Bus Master IDE (rev 06)
> 00:07.2 USB controller: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1
> Controller (rev 1a)
> 00:07.4 Bridge: VIA Technologies, Inc. VT82C686 [Apollo Super ACPI]
> (rev 40)
> 00:07.5 Multimedia audio controller: VIA Technologies, Inc. VT82C686
> AC97 Audio Controller (rev 50)
> 00:09.0 Communication controller: Conexant Systems, Inc. HSF 56k HSFi
> Modem (rev 01)
> 00:0a.0 CardBus bridge: Texas Instruments PCI1410 PC card Cardbus
> Controller (rev 01)
> 00:0b.0 Ethernet controller: Realtek Semiconductor Co., Ltd.
> RTL-8139/8139C/8139C+ (rev 10)
> 01:00.0 VGA compatible controller: S3 Inc. VT8636A [ProSavage KN133]
> AGP4X VGA Controller (TwisterK) (rev 01)
> 
> Salida de cat /proc/cpuinfo:
> 
> processor : 0
> vendor_id : AuthenticAMD
> cpu family : 6
> model : 7
> model name : mobile AMD Duron(tm) Processor
> stepping : 0
> cpu MHz : 498.285
> cache size : 64 KB
> fdiv_bug : no
> hlt_bug : no
> f00f_bug : no
> coma_bug : no
> fpu : yes
> fpu_exception : yes
> cpuid level : 1
> wp : yes
> flags : fpu vme de pse tsc msr pae mce cx8 mtrr pge mca cmov pat pse36
> mmx fxsr sse syscall mmxext 3dnowext 3dnow up
> bogomips : 996.57
> clflush size : 32
> cache_alignment : 32
> address sizes : 34 bits physical, 32 bits virtual
> power management: ts fid vid
> 
-- 
Un saludo. 
Juanjo
Ubuntu 12.04