Thanks Ray. I wish I'd had these a few months ago. I only started learning video processing about 6 months ago and it's a steep learning curve. I have a monutain of vhs tapes, 8mm film, and super 8 film I'm trying to convert and preserve. Some of this stuff dates to the late 50's.
Richard Ray On Sat, 18 Sep 2004, Ray Cole wrote: > You'll get all sorts of answers to this, but I can tell you that was what confused > me to no end when I first starting using the tools... > > Attached are a few scripts that I use. You can see the various options used. I use > some denoising filters and such. I generally specify -q 4 or -q 5 (never have had a > need to go above a 5 unless it was > 3 hours...) I don't specify -b on the command > line - I let it use the default -b for a DVD. > > Anyway, I hope you will find the scripts useful. You will almost definately need to > modify them, but you'll see the mpeg2enc and filtering options used. > > encode.sh is what I use to encode. It calls m2v.sh to create the m2v and ac3.sh to > create the audio, then calls makeifo.sh to create the final DVD image. psize.sh is > a script that takes the output of the log created by mpeg2enc and tells you what the > projected size of the .m2v will be based on the encoder's current performance. That > might help you get a feel for what different -q values do. I would wait for it to > at least have a full minutes worth of .m2v encoded before running psize.sh to > 'check' on it. > > You'll notice in m2v.sh that I change the options depending on the video source. I > tend to use heavier filtering for vhs sources. > > -- Ray > > > [EMAIL PROTECTED] wrote: > > Hey ya'll, > > > > I need a little math help. > > How do I use mpeg2enc to get maximum quality and still have it fit on one dvd? > > I use Canopus ADVC-300 to capture from VHS tape. > > The tape is about 90 minutes. > > I've tried playing with -q -b to vary quality but I'm just guessing. > > I tried tcrequant from the transcode package but the results were really bad. > > Any scenes with a lot of motion were very "blocky". > > Is there a method for calculating the final size for mpeg2enc output? > > > > Thanks > > Richard Ray > > > > > > ------------------------------------------------------- > > This SF.Net email is sponsored by: YOU BE THE JUDGE. Be one of 170 > > Project Admins to receive an Apple iPod Mini FREE for your judgement on > > who ports your project to Linux PPC the best. Sponsored by IBM. > > Deadline: Sept. 24. Go here: http://sf.net/ppc_contest.php > > _______________________________________________ > > Mjpeg-users mailing list > > [EMAIL PROTECTED] > > https://lists.sourceforge.net/lists/listinfo/mjpeg-users > > . > > > ------------------------------------------------------- This SF.Net email is sponsored by: YOU BE THE JUDGE. Be one of 170 Project Admins to receive an Apple iPod Mini FREE for your judgement on who ports your project to Linux PPC the best. Sponsored by IBM. Deadline: Sept. 24. Go here: http://sf.net/ppc_contest.php _______________________________________________ Mjpeg-users mailing list [EMAIL PROTECTED] https://lists.sourceforge.net/lists/listinfo/mjpeg-users
