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| System optimization http://forum.linhes.org/viewtopic.php?f=14&t=14075 |
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| Author: | mattshaw [ Wed Feb 07, 2007 2:23 pm ] |
| Post subject: | System optimization |
Hi everybody. My system is currently as below, and plan to upgrade soon to R5E50, to get the added benefit of UK Radio on digital terrestrial (freeview). I am happy with the system as is, but feel it could be "optimized". eg.... AFter a clean reboot, the system memory usage is at 41%....(i do have irexec, NFS from another server, lirc, samba and a few other stuffs in background, but not much) I have 2 x dvbt cards as below, and am wondering why I have to nuvexport each recorded show to translate it to MPEG. I realise I probably do to get rid of the commercials and begin/end edits etc, but can it not be speeded up ??? Do these cards have MPEG2 decoders on ????? Is there any settings i can change in the system setup to make channel change a bit quicker and/or live tv (ie. soccer) a bit less jerky ??? I have seen a few things in there, xvmc etc, but dont want to change things when I know not what they do......... Basically I want to see if there is a better configuration for my system to speed up a couple of things, get best performance and best settings for my hardware....... I am hoping to learn a bit more from this post about the deeper workings of the excellent knoppmyth and myth system...... Or would a lot of this just be sorted by the R5E50 upgrade ???? |
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| Author: | turpie [ Wed Feb 07, 2007 4:52 pm ] |
| Post subject: | Re: System optimization |
mattshaw wrote: AFter a clean reboot, the system memory usage is at 41%....(i do have irexec, NFS from another server, lirc, samba and a few other stuffs in background, but not much) I think this is pretty normal Linux will try to make good use of all your RAM by caching as much as it can. mattshaw wrote: I have 2 x dvbt cards as below, and am wondering why I have to nuvexport each recorded show to translate it to MPEG. I realise I probably do to get rid of the commercials and begin/end edits etc, but can it not be speeded up ??? Do these cards have MPEG2 decoders on ????? I use a bunch of dvb-t tuners (usb twinham clones), and I dont have to do anything to get mpeg files. They automatically show up in the "pretty" directory/folder as mpeg files that I can copy to and play on Windows. How are you using nuvexport and why? mattshaw wrote: Is there
any settings i can change in the system setup to make channel change a bit quicker and/or live tv (ie. soccer) a bit less jerky ??? I have seen a few things in there, xvmc etc, but dont want to change things when I know not what they do......... |
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| Author: | mad_paddler [ Thu Feb 08, 2007 4:34 am ] |
| Post subject: | |
R5A16 records as .nuv files. After you upgrade to r5a50 it'll start recording them as .mpg For watching football i think i got best results using the bob 2x deinterlacer with xvmc. not 100% sure there, just try different combinations of the deinterlacers and xvmc. |
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