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3 Sep 2018
I had read about problems with the gemini wifi continuously going up and down when the screen was locked, but thought nothing of it as my unit was quite happy lasting a day. Well, the other day I was testing a device at work using the gemini and I had turned off the wifi (4G was still enabled). I forgot to turn it back on, and was surprised when I got home that I still had almost 90% battery! I normally take it off charge around 6am, and get home somewhere after 5pm. I tested this a few times, with and without wifi. The same thing happened every time. By turning off wifi when the gemini goes to sleep/lock, it uses almost no battery (as it probably should).

When you need internet and don't want to use 4G data, you can turn on wifi and use it as normal, but when finished, simply turning it off increases the battery life significantly. You still have network connectivity for email via 4G, so nothing will be missed, and you shouldn't use much. This is a bug - you can see it easily when sshing into the gemini over wifi when the screen is locked. It continually disconnects/reconnects meaning delays of several seconds every 5 or so seconds waiting for it to reconnect/power up/whatever. Unlocking the screen causes this behaviour to disappear.

Hope this helps someone smile.gif
27 Aug 2018
Hi all,

after working out how SDL sound works with sailfish, I added the fixes to my ffmpeg compilation. It hasn't changed the ffmpeg utility (convert from one video format to another amongst other things), but it now means that ffplay is fully functional. This is a very simple video player which uses ffmpeg to decode the streams and plays using SDL. It supports a lot more formats than the gstreamer based video players. There is no onscreen gui for control, however everything is keyboard based which is perfect for the gemini.

If people are interested, I could try to package it up, or just tgz it (there are 2 executables - ffmpeg and ffplay). Works brilliantly as command line viewer.

On another note, if anyone is interested in compiling/porting SDL apps to sailfish, I can give a quick howto to get things working, and steps to porting. There are lots of SDL apps around, and sailfish needs native apps smile.gif The qml front end is simple to create and using a native ide (tIDE), you can program, compile, test and package right on the gemini.
9 Aug 2018
After playing around for a while, I have managed to get dosbox compiling on the gemini. I modified the renderer so that it is landscape inverted, and it worked. I haven't tested sound yet, and there are some scaling and keyboard (layout) issues, but it is basically functional. I'll see what I can get done this weekend, and maybe write a small qml front end. I'm sure there are lots of issues, like touch screen that I haven't seen yet, but the good news is that it is running on the gemini!

When it is in a stable state, I can post it for people to test if anyone is interested. I'm sure there are lots of things that will need to be tweaked. As a matter of interest, I did all the compiling/editing on the gemini under sailfish. Same with ffmpeg.
5 Aug 2018
Hi all,

For those who hadn't noticed, PC has released some library files which fix the camera orientation (without the need to modify the qml files). You can flash a new sailfish image (ouch), or just download the zip and extract to the correct places (lib and lib64). I can confirm that they work as expected - although if you modified the qml file, you will need to revert the changes as they are no longer needed.

I was playing with the camera a bit over the weekend and have noticed a few things. It is definitely not a high quality camera smile.gif You can, however, take some very nice, clear macro shots. The big surprise is that when you digitally zoom in, the focusing gets clearer. I also got some good results from the following: zoom in, focus by tapping the screen, quickly zoom out and take the photo. You only have 5ish seconds before the focus lock disappears.

On the Gemini screen, the photos look quite good. Zooming in, or displaying on a big screen shows up the camera quality however. For scanning documents, letters etc it is actually quite good. Mine can focus only a few cms from the lens.


PS. go to the support.planetcom.co.uk site, and select firmware to find the camera files.
1 Aug 2018
I installed webcat a while ago - it is a good second browser running webkit rather than gecko. It can plug holes when gecko doesn't render correctly. The author suggests updating to QtWebkit 5.212, which he has created. I tried these on the Gemini and they are a no-go. I didn't poke around extensively, but they just display a blank page. Luckily I followed the instructions and kept a copy of the old libraries, so I am back to normal. This is just a warning for other curious sailors thinking of updating QtWebkit. If you don't keep a backup, you might find it difficult to revert. I have one if anyone gets in that state.
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