[mythtv] LiveTV BufferSize in MB instead of GB?

John reidjr at lineone.net
Sat May 28 10:13:10 UTC 2005

David Armstrong wrote:

> Hi,
> Can the "BufferSize" setting for livetv be changed to specify size in 
> MB instead of GB?  On my MythTV box I have a EPIA M10k 512MB box 
> running both front and backends; livetv buffer is on a tmpfs partition 
> to eliminate the hard drive ticking, and buffersize set to 384MB.  I 
> have been running this way since v0.17 with no problems, aside from 
> the obvious limitation on how long I can pause.
> Attached is a patch against 0.18 that achieves the above, with two 
> TODOs.  Firstly i'm not sure my default and max sizes will suit 
> everyone (128MB default, 128MB increments on the slider, 4096MB max), 
> secondly how to handle upgrades.  Clearly simply changing the meaning 
> (from GB to MB) of this setting where existing users have something 
> like "1" wont be very helpful.  I'm aware there must be code somewhere 
> that detects a version upgrade and sorts out the database accordingly, 
> if someone could point me in the right direction i'll get to work on 
> adding something.
> I would appreciate any feedback or suggestions.
> thanks,
> David.

This is exactly what I wanted to do, as I dont need a large buffer for 
watching TV, and it always seems a "shame" to have the disk chattering 
away !

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