Dear Mailinglist!

Here is next mail according to the new Elisa ergonomy (against Version 47). My 
today post is about my little baby, the TV-Part.

I told you a lot about my ideas of TV already, but I had until now a big 
problem: In this selected case is NO timeshifting available. I don't know 
wether it is canceled by Fluendo also, but I heard they would like to develope 
it.

According to this, we have a problem with the less buttons of the remote 
control. I was thinking about this problem the whole day, yesterday. But than I 
asked someone, who is not so deep into the materials and we developed a really 
good solution accoriding to this problem.

Our now solutions looks like this:

We've got a few different modi/menus to use:
NormalTV, ChannelInfo, ChannelOptions and Timeshift.

= Normal TV =
In normal TV mode, the live video is in fullscreen-mode and you could swicht 
with up and down through the channels. If you push left/right, you could change 
the volume. The OK-Button is the most important one. When push it, you'll come 
to the ChannelInfo-Screen, which is the same the screen for channel switching 
[1]. If you push Menu, you'll come to the ChannelOptions-Menu

= ChannelInfo =
This is a menu/OSD for informations/EPG-Informations like it is able to see in 
[2]. This screen disappears after a few seconds of inactivity (as it does now) 
and goes back to NormalTV. The main difference is, that two buttons have other 
functions:
on OK, you'll get into the Timeshift-Mode (and the Screen pauses also)
on Menu, you'll get into the EPG-Menu, called ProgrammList yet

= ChannelOptions =
This is the same Menu as for the Videoplayer [2]. Here you could select the 
Audio-Streams (language and Format [PCM/DD]), any subtitles and so on.
With this iptions I've a little problem in Video and audio player: If you use 
the Menu for it, the can't go to the Main-Menu again. So I made a little and I 
think good solution:
This menu disappears as well after a few seconds of inactivity, so that we 
don't need to exit this menu and could use the Menu-Button for going back into 
the Main-Menu.

= TimeShift =
The Timeshift looks quite like the video player does [3]. With one little 
difference: you have got a moveable cursor and the different color for the 
scrollbar shows how full the 'buffer' is. If you come to the Timeshift-Menu by 
using ok-ok (explained later on), the video is paused. Now you could scroll 
with up/down, you could toggle play/pause with ok, change the volume with 
left/right and skipp to the end of the buffer by the pushing the menu-button.
While the video is paused, this screen does NOT disappear. But it disappears 
after a few seconds, if the video is playing and you'll get back to the 
NormalTV-Modi (but playing the video form the selected position).


* Some Usefull information to understand the idea:
in my Timeshift, the stream is recorded in background in a ringbuffer, for e.g. 
one hour, so that you could seek without starting a recording before.


* the usecase:

We are watching TV. Now the phone rings and we want to pause the video. This is 
very simple and easy to use: we just push ok - ok and the Video is paused (in 
TimeShift-Mode). This is a very easy and good way to get this function. If you 
come back, we just has to push ok, to toggle play/pause or we could seek back a 
few seconds. After a few seconds the screen disappears, so that we could switch 
through our channels again.

In the other case, we want to get some more informations of the epg, we just 
push ok (ChannelInfo) and menu (for the EPG).

We are on a channel and want to use another audio-channel (for e.g. another 
language or Data-Format), we push menu and could select our mode.

If we want back to the main menu, we just push menu - menu.


This is one of the easiest and best use cases, with less of ways for the thumb 
(because pushing the same button twice is a simple and easy method to get to 
the main functions). For e.g. pushing ok - ok is very fast, so that we could 
run to the phone. And using menu - menu (and menu again for shortcuts) is also 
very fast to get to our destination.


Would like to discuss it. You also could rotate up/down with the funtion 
left/right, but I would prefer to have the possibility to configure the 
volume-buttons and use the other ones for the other funtion (here next/prev 
channel, in audiplayer: next/prev track) global. So that the volume is set 
anywhere the same way.  But I myself would like to zapp in TV with up down (and 
change volume with left/right).
Kind regards
Benjamin Kampmann


[1] https://core.fluendo.com/elisa/trac/wiki/NavigationTree#ChannelSwitch
[2] 
https://core.fluendo.com/elisa/trac/attachment/wiki/NavigationTree/video-menu.png?format=raw
[3] 
https://core.fluendo.com/elisa/trac/attachment/wiki/NavigationTree/video-player.png?format=raw
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