[mythtv-users] MythTV and analogue TV

Malte Gell malte.gell at gmx.de
Sat Feb 19 23:25:45 UTC 2011


Raymond Wagner <raymond at wagnerrp.com> wrote

> MPEG is a series of specifications for compressed video.  In this case,
> MPEG encoder cards output MPEG2 video and MPEG Layer 2 audio, in an
> MPEG2 container.  With the tuner card handling all the capture,
> encoding, and multiplexing, it is much easier to configure for recording
> in MythTV, as well as much lighter on your system.  Framegrabbers, such
> as your tuner card, simply expose a sequence of video frames in a
> section of memory, which MythTV has to then capture, compress, and
> synchronize with a separate audio stream.  Its a hassle to deal with,
> easy to screw up, and causes significant CPU load to do in real time.

Do all these USB devices lack this MPEG hardware? Are there "premium" models 
that handle MPEG in hardware? I find it hard to find TV hardware that has 
Linux support, I was glad to having found a device that works just with a 
kernel update....


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