fastest loseless codec

andy

hey,

I have a 3 min video i'm playing of my hardrive and space is not a problem at all. I have a huffy in yuv12 but I like to get it into a more playable format with as little lose as possible. Are there any formats that are loseless and dont comprass really while but can decode quickly. I was thinking mpeg 2 but it's limit is 15000 bitrate and it still lossy. Mjpeg can be nearly lossy. Any suggestions?

The problem with huffyuv is that it is too large! Your hard drive is not fast enough to read the video data in realtime. The first thing I would say is try defragmenting. There is a freeware program called contig which allows you to defragment just a single file. Utilities/Contig.html
Try running your video through that and then see if it plays any smoother.

If that doesn't work I'd try giving the lagarith codec a shot. codec.html

It's about 2x slower than huffyuv, but it compresses much better, so it moves the bottleneck away from the hard disk and towards the cpu. If you have a reasonably fast cpu, maybe 2.4ghz or so, then i think you should be able to decode yv12 video in realtime with it.

ya, I was useing lagirtech before and I force it into yuv12. Which huffy didnt support . (without ffdshow) The file size became twice as small in yuv12 and it plays back nice on highend.

So what is your source video format? If converting to quot;onlyquot; 15000 bitrate is not an option for you I guess it's either DV (25Mbps) or some HDTV TS stream (1080i/p) or maybe even uncompressed. I remember recently I had problems playing a HD TS movie (1920x1080i) in realtime on my PC (Athlon XP 2600+) and no matter what I tried all my usual players (MPC/BSplayer etc) would only play about 18-20 frames/s (instead of 24) and CPU running at 100%. But when I tried Mplayer it played like charm using about 50% CPU. So you could also try it and if your clip plays fine, you may not need to compress it to lossless or any other format. Your link is here:
cd.asp?dir=/mplayer


Originally Posted by gavoAny suggestions?

Try MSU's lossless codec.


Originally Posted by LRDXTry MSU's lossless codec.

Is not it very slow ? Or only for encoding ?