[linux-dvb] Re: replay control in general

[Stefan Huelswitt <huels@iname.com>]

On 27 Jul 2001 Klaus Schmidinger <Klaus.Schmidinger@cadsoft.de> wrote:

> So the only way I see to implement a "reduced speed fast fwd/back" is
> to send the I-frames several times (unless somebody finds a better way
> to display a single I-frame, without sending it several times...).
> However, sending an I-frame more than once may cause a jerking effect.
> This can be seen on recordings from some channels when you set an editing
> mark in replay mode (key '0'), jump to that mark (key '7') and then move
> it around (keys '4' and '6'). Sometimes you can see objects jerking around
> here, which I would assume results from the I-frame being sent several times
> in order to fill the MPEG decoder's buffer.

But you are using play_iframe to display the frame when moving
around the marks, right? So why there is a jerky effect if the
frame is only send once?

-- 
Stefan Huelswitt
huels@iname.com  | http://home.pages.de/~nathan


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