Re: dvgrab
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From: Alastair M. <ala...@ww...> - 2000-04-13 16:50:55
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Timothy M. Shead wrote: > > I've been following dvgrab with a lot of interest, and just got it working > last night. I'm thinking that, rather than putting too much time into > figuring out how view an AVI, it would be more productive to: > > * Capture the video to disk using dvgrab --raw > * Write a program that can read the raw file and write it back to the > firewire interface isochronously, so it can be viewed using a camcorder. I'd been thinking along the same lines, but with an additional ulterior motive (I'll get to in a moment). Meanwhile, Windows Media Player apparently can read raw DV files (er, make that MoviePlayer). At least it recognizes the single-frame DV grabs I downloaded from somebody's web site, although being single frames it doesn't play them. It does correctly report the meta-information. (Perhaps somebody could point me too a short DV video clip for me to experiment with?) The ulterior motive is that pushing the DV data back to the camera is a necessary step for doing DV editing. (Pushing it back to a recorder, actually). It's also a necessary step for using a camcorder as a backup device (using the video frame to store arbitrary data rather than images), a project I'm getting some enthusiasm for (see http://www.ajwm.net/backfire ) (No code yet, I'm still working on getting my camcorder to talk happily to my 1394 card. Turns out I didn't have the latest (0318) patch to 2.2.14) Of course a program to play DV files directly under Linux would be nice for us DV enthusiasts, but that's another issue. -- Alastair |