What about Xvid? It is open source and is the better codec in CPU resources use and quality...<br><br><div><span class="gmail_quote">On 2/27/07, <b class="gmail_sendername">Chih-Chung Chang</b> <<a href="mailto:jochang@gmail.com">
jochang@gmail.com</a>> wrote:</span><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">On 2/27/07, Albert Cahalan <<a href="mailto:acahalan@gmail.com">
acahalan@gmail.com</a>> wrote:<br>> On 2/26/07, Chih-Chung Chang <<a href="mailto:jochang@gmail.com">jochang@gmail.com</a>> wrote:<br>> > On 2/26/07, Albert Cahalan <<a href="mailto:acahalan@gmail.com">
acahalan@gmail.com</a>> wrote:<br>> > ><br>> > > (BTW, I can imagine a fine low-CPU codec. You can use<br>> > > 100% P-frames w/o motion vectors if the decompressor<br>> > > is carefully specified regarding rounding. Start the stream
<br>> > > with an implied solid-color frame, probably grey. Cuts and<br>> > > joins can be done anywhere at the cost of one or two<br>> > > recompressed frames.)<br>> ><br>> > I think this can be done by using the INTER_NOMV mode in Theora.
<br>><br>> That sounds like I-frames, not P-frames. P-frames depend on<br>> preceding frames. Normally you can't keep going with them<br>> forever because round-off errors in the decoder will accumulate.<br>
> If the decoder is more standardized though, the encoder could<br>> determine exactly what the decoder is using as a reference.<br><br>The coding mode for I-frames is INTRA. INTER_NOMV (and other modes)<br>are for P-frames. The IDCT in Theora is specified exactly.
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