On Sat, 2006-11-18 at 19:21 +0000, Robin Rawson-Tetley wrote:
> The green bits and iframes mentioned are a keyframe problem - by default
That much I'd figured, it tends to right itself at places where you'd
expect a new keyframe, like at a cut from one angle to another.
> VLC doesn't inject nearly enough into the stream. If you add
> ",venc=ffmpeg{keyint=3}" after the vcodec bit of your transcode string, that
Nice, thanks. This is a little odd though; shouldn't any decoder be able
to deal with any distance between keyframes? There's no added resource
requirement, it's just applying increments one at a time (e.g. vlc
itself has no problem playing the stream that results without the above
improvement).
> will clear it up. While you're at it, add "audio-sync" and "deinterlace"
> to prevent the sound sync wandering.
Excellent. I've not actually noticed a problem with audio-sync
wandering. I wonder why this would not be a default option.
> These would be tied in with the existing VLC settings and save you
> having to manually start the streaming as mvpmc would do all the
> work. Just pop the DVD in, press VLC/Play DVD on mvpmc and off you go -
> and of course, because it would be tied in with the new VLC controls we
> have, you could seek, pause, discover position on the OSD, etc.
DVD menus...
> This would be reasonably straightforward to do - would anyone be
> interested in this? I personally wouldn't use it (I have a DVD player
> and wouldn't want to walk upstairs to put it in the VLC machine!) but if
> there's enough demand I'll look at how much work it is to add it in.
I was actually using my notebook as a DVD source while my DVD player was
dead (I've since replaced it) so actually I'd probably be less likely to
use it now. It'd be a nice to have though. (Of course, there is an
option for placing DVD images on a file server somewhere; if mvpmc could
do DVD menus - directly or via vlc - then using mvpmc to play DVD from
images on a file server _would_ be of interest.)
- Raz
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