[MPlayer-dev-eng] Fast Forward and Slow Motion Patch

[Fabian Franz]

Am Freitag, 7. Februar 2003 14:57 schrieb Struan Bartlett:
> Dear Arpi et al,
>
> I previously sent this email to the mplayer-users' list, but that was
> probably the wrong place.

yes

>
> So I 'improved' my hack into a draft working patch to 0.90rc3, which I
> *hope* you can find attached. Sorry I've only tested this with -vo x11
> and -vo xv. Please advise: ought I to patch this into the CVS tree myself?
>
>
> To test it, start by running mplayer on some film.
>
> To see what's happening, perhaps it helps to first switch on the OSD
> (press 'o' twice).
>
> Press ']' to speed up playback first x2, then x4, then x8, assuming your
> video driver can handle the speed. You'll observe that audio is *not*
> accelerated, because this is harder to do. I've left the audio switched
> on, because it's more fun that way.

yes, I like that, but thats something the player should only do if it was 
really requested! :-))

>
> Press '[' to revert to x1 playback speed.
>
> Now try pressing '[' to slow down playback first /2, then /4, then /8.
> Now press ']' to revert to x1 playback speed.

I think it's a nice feature!

And your patch is also ok.

cu

Fabian
>
> Reverting to x1 playback speed works by seeking to a fraction ahead of
> the current position. If you're playing an AVI, you may the timer jumps
> a little when this happens, which I imagine is because of the frequency
> of seekable keyframes (by default mencoder only puts them every 10s in a
> 25fps movie).
>
> I imagine another patch could easily mute the audio during fast forward
> or slow motion.
>
> Hope you enjoy this,
>
> _SHMB_
>
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