[mythtv-users] [SOLVED] Re: HD playback on Myth, 0-23-fixes

[Raymond Wagner]

On 10/14/2010 16:46, Liam Friel wrote:
> CPU usage for HD decoding was > 1 core worth on my Atom machine, and 
> although that did appear to leave CPU headroom left over, Myth didn't 
> like it and we got the prebuffering pauses.

Most of the content you will be recording with MythTV will be MPEG2 
content, or single sliced H264.  Neither of which support multi-threaded 
decoding.  If you require more than one core can provide you, there is 
no headroom, and you will get stalls (or prebuffering pauses) during 
playback.