-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 On Tuesday 24 Aug 2004 21:23, Selva Nair wrote: > On Tue, 24 Aug 2004, Anne Wilson wrote: > > It isn't that I de-interlaced. I wanted a series of 5-second-ish stills > > pulled from the main video - a sort of summary to pull things together > > instead of the abrupt ending. I started each of these from a single > > frame pulled from the main recording. > > > > Since this project is very much a learning experience I'm quite prepared > > to do the whole lot again. Would that be a matter of adding -I t -L 1 to > > jpeg2yuv? > > Yes "-I t" if the rest of the video is top-field-first (check with > lavinfo), and "-L 1" if the jpeg is an interleaved frame, not one field > after the other. I seldom use jpeg2yuv, so I am copying from the manpage. > (ppmtoy4m is the way to go, but I digress :) > Yes - I'll remember to check.
> > > > Or is it maybe that I didn't get a good quality sound grab in the > > > > first place? > > > > > > I am not sure I understand. You mean audio quality? > > > > Yes - I was wondering whether I could have got a faster sampling rate or > > something, to make it less of a gap. > > Sorry, I am missing here something. Which gap ? > No, you're not missing something. It's probably my lack of understanding. I thought the problem was a performance gap between the audio and the video? > > If I re-create all the avis in an interlaced mode, will the blends > > automatically be interlaced? > > Generally blending is a pixel-wise operation so interlacing should > not be affected. In particular, if you are using transit.flt to generate > the transition, then yes interlacing will be preserved. > Good > > Now there's another question. The main avis are in 768x576, whereas I > > want 720x576. I was expecting to use yuvscaler just prior to encoding. > > Of course > > Out of curiosity, how did you end up with a 768x576 interlaced PAL avi? > My capture card is a DC10+ under v4l - that's the resolution it captures at full size. On my previous small project I used -d 2, but I think on this one I used -d 1 in lavrec. > > I had used yuvscaler on the coda, so that I could check that it was > > working. I guess that it would be better to take it on trust and then > > convert them all at the same time when encoding? > > I think so. > OK Anne - -- Registered Linux User No.293302 Have you visited http://twiki.mdklinuxfaq.org yet? -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.4 (GNU/Linux) iD8DBQFBK7RqkFAvMr/nNX8RAo7CAJ4nm0od0udYpdkT9KTnBcxZL5I68QCdE44V 9pyfWMgA3PZQa7W1Jgcr6tA= =4q/C -----END PGP SIGNATURE----- ------------------------------------------------------- SF.Net email is sponsored by Shop4tech.com-Lowest price on Blank Media 100pk Sonic DVD-R 4x for only $29 -100pk Sonic DVD+R for only $33 Save 50% off Retail on Ink & Toner - Free Shipping and Free Gift. http://www.shop4tech.com/z/Inkjet_Cartridges/9_108_r285 _______________________________________________ Mjpeg-users mailing list [EMAIL PROTECTED] https://lists.sourceforge.net/lists/listinfo/mjpeg-users
