Jacek Pop³awski wrote:
>
> On Tue, Jan 09, 2001 at 01:50:37PM -0600, Steve Russo wrote:
> > mp1e and (v4l2/bttv2/v4l/bttv) rock.
>
> I have just installed mp1e - yes, it's rock!
> I can easly record 518x384, 25fps, with sound, and it consume much less
> cpu than mpeg player (gtv, smpeg) !
The reason for that as I understand it is that mp1e doesn't do P or B
frames, just I frames. This means its output is less compressed than
most mpegs you get. Since it doesn't have to do motion compensation
vector stuff, it saves a lot of CPU.
An encoder that does P and B frames will take a lot more cpu time than a
decoder playing back P and B frames.
Stephen.
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