[mythtv] Why Not MPEG-2 Encoding?
kuphal at dls.net
Sat Dec 3 17:01:13 UTC 2005
Jim Peterson wrote:
> I have a MediaMVP, that I wish to use with the mvpmc project
> (http://mvpmc.sourceforge.net/) as a front end to MythTV.
> Unfortunately, my video capture card does not have an MPEG-2 encoder
> on it (hey, it was $20 and it works fine, otherwise). I see that
> mythbackend can encode the stream to RTjpeg or MPEG-4 in real time (on
> a Sempron 2200), but the mvpmc project only supports MPEG-1 and MPEG-2
> (since the MediaMVP has a 300 MHz PPC with an MPEG-2 decoder attached).
> So, my question is: why can't I encode to an MPEG-2 format
> (compatible with mvpmc) straight off of my capture card? Would that
> be as simple as adding another codec option? Does this require
> patching? Is it feasible? If so, where is a good place to start?
real-time MPEG2 encoding isn't possible with software encoding capture
cards. You'd be best to spend the $65 or so and get a PVR-150 (regular
or MCE edition) and capture straight to MPEG-2 using its hardware
encoder. It *may* be possible to transcode from MPEG-4 to MPEG-2 after
the recording is done but I've never done that so I'm not sure of all
the steps. And this is more of a -user question than -dev.
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