[vdr] Re: addign STB-style timeshifting to VDR

["Rienecker, Fa. Evenio, ITS P, M" <C.Rienecker@deutschepost.de>]

Hi Lauri,
nice idea. For keeping the computer quiet I would suggest to store data forinstant replay in RAM and spin up the HDD only if you press PAUSE.

Cheers,
CR.

> -----Original Message-----
> From: Lauri Pesonen [mailto:lauri.pesonen@firsthop.com]
> Sent: Wednesday, January 16, 2002 12:28 PM
> To: vdr
> Subject: [vdr] addign STB-style timeshifting to VDR
> 
> 
> Hi list,
> 
> I'm interested in implementing STB-like timeshifting features to VDR. 
> What I have in mind is two features:
> 
> * pausing live TV (and resuming it later on)
> * configurable length instant replay (I.e. watch the last 10 
> seconds again)
> 
> I've being going through the VDR source now and then and I 
> have a faint 
> idea how to do this. What I don't know is how the features 
> should work 
> on a more detailed level. I have no experience with STBs that 
> have these 
> features, so I don't know how these features should work.
> 
> A few questions:
> 
> 1. If you pause live TV
> 	- will the pause mode quit at some point, e.g. after 10 mins?
> 	- is the stream recorded permanently (can replay the 
> stuff later 	on) or is 
> the recording lost after watching it?
> 	- can you move forwards and backwards while watching a
> 	timeshifted show?
> 	- What happens when you catch up with the live braodcast, e.g. 	
> 	by fast forwarding commercials? You should switch back to live
> 	tv, but do you notice it?
> 	- The will have to be written to disk...?
> 
> 2. Instant replay
> 	- do STBs have such a feature?
> 	- how long is the replay, e.g. 10 secs, 15secs?
> 	- since pressing the instant replay button is a basically the
> 	same thing as pressing the pause button, should the data
> 	buffered for the instant replay be saved to the beginning of the
> 	recording?
> 
> 3. VDR buttons
> 	- should I introduce new buttons to VDR as a whole?
> 	- which ones of the old buttons couls I use (pause and rev are
> 	out of the question since they are already in use in transfer
> 	mode)
> 
> All suggestions and tips are highly appreciated!
> 
> Br, Lauri
> 
> P.S. This will probably take a while since I haven't got that 
> much time 
> on my hands, I haven't implemented anything in C++ for a 
> while and the 
> design needs to be thought out first. So hold your horses.
> 
> 
>