[Mp4-tech] [Video] [systems] Rewind

[tech list]

Thanks Ilan,
I thought about using I-frames only for rewind and fastforward, but we 
encounter some videos which have very few I-frames (I'm workking on mobile 
video). The rewind/FF would not look so good in that case.
On 7/25/05, Ilan Daniel <Ilan.Daniel adimos.com> wrote:
> 
>  Dipankar,
> 
> To my knowledge, DVD is using only the Intra coded frames for FF/RW.
> 
> The same approach might work for you as long as you do not need to rewind 
> at x1 speed.
> 
> Regards,
> 
> Ilan
> 
>   ------------------------------
>  
> *From:* mp4-tech-bounces lists.mpegif.org [mailto:
> mp4-tech-bounces lists.mpegif.org] *On Behalf Of *tech list
> *Sent:* ב 25 יולי 2005 12:34
> *To:* mp4-tech lists.mpegif.org
> *Subject:* [Mp4-tech] [Video] [systems] Rewind
>  
>  Hi All,
> I have a requirement to display fast forward and rewinded video frames on 
> the display. I mean that the video should run fast on the screen like it is 
> in most DVD players when you FF/RW.
> There is no issue in implementing this for fast forward, but for rewind, 
> how would it be possible to do this, since the decoder cannot decode frames 
> backwards. If anyone has any idea how this can be implemented, please let me 
> know.
> 
> Dipankar
>
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