searchAndLock() should work as long as you are in a dark place (that's what LED torch is for ;-)) and make sure the focus mode is set to fixed focus mode.
Good luck! Cheers, On Sat, Nov 16, 2013 at 05:35:47PM +0200, Artem Marchenko wrote: > I used to work a little with GStreamer in the past, it wasn't much fun, > though I was doing video processing, not just LED manipulation.. > Oh well, I try searchAndLock trick, if it doesn't work, I'll need to > think if I am into diving to gstreamer or into waiting for the Torch > API. Technically, waiting for Torch is correct probably, I am just > driven by the opportunity to make the very first torch for Jolla :) > Cheers, > Artem. > > On Sat, Nov 16, 2013 at 5:28 PM, Mohammed Hassan > <[1]mohammed.has...@jollamobile.com> wrote: > > Hi Artem, > > On Sat, Nov 16, 2013 at 04:43:57PM +0200, Artem Marchenko wrote: > > Thanks, Mohammed. > > > > I know that torch mode is not supported, but ON mode is. So my > current > > workaround idea is to make phone think it shoots video with flash > mode > > ON (ok, we can even shoot video for real if needed). Assumption is > that > > video + flash mode ON should make phone record video with light > > constantly ON. Currently it doesn't work for me, maybe because > > assumption is wrong or maybe I am just using some api the wrong way. > > It will not work that way. There is a special mode for torch light > but it's > not yet been implemented. > > > 2nd workaround idea is to make phone seekAndLock all the time > causing > > flash to be ON. That is likely to result in a multitude of short > > flashes though. > > That can work but it will be slow "light bursts". > A 3rd option would be going even below GSTreamer and Qt and talk to > the camera HW directly. > This is harder -trust me- and will tie you to the hardware. > I am really sorry I don't have a solution for you :( > I can only promise it will be available soon in an update. > Cheers, > > > When you record video with the flash ON in a system camera app, does > it > > cause LED to have kith ON all the time? > > > > Artem. > > > > On Saturday, November 16, 2013, Mohammed Hassan wrote: > > > > Hi Artem, > > On Sat, Nov 16, 2013 at 02:48:30PM +0200, Artem Marchenko wrote: > > > Hi All > > > *Context* > > > I am trying to build a flashlight app, but the same question is > > valid > > > for any camera app that wants to shoot photos/videos in low > > light. > > > *The problem* > > > I am trying to control LED flash by setting flash mode to ON (api > > > confirms that ON mode is supported) and starting camera. Nothing > > > happens. I also tried actually capturing photo, shooting video > > and > > > seekAndLocking. I don't have a device myself, but kind people on > > IRC > > > told that only two short LED flashes happen (during seeking for > > focus > > > probably). > > > Could somebody, please, advise how to control flash in Sailfish > > OS? Or > > > maybe you could confirm that libhybris flash control just isn't > > wired > > > to Qt level? > > This is unfortunately not supported. > > The only flash modes supported now are: on, off or auto. > > Torch light mode is not yet supported but I assure you it will come > > in an update soon. > > I am not that familiar with Qt but I know it's a limitation of the > > layer underneath Qt. > > The best you can do now is to wait for the phone itself and tinker > > as you like and I am > > sure you will manage to do it :-) > > Cheers, > > P.S. libhybris camera wrapper is not used by sailfish. It might or > > might not work. > > _______________________________________________ > > SailfishOS.org Devel mailing list > > > > -- > > Artem Marchenko > > > [1][2]http://agilesoftwaredevelopment.com > > [2][3]http://twitter.com/AgileArtem > > > > References > > > > 1. [4]http://agilesoftwaredevelopment.com/ > > 2. [5]http://twitter.com/AgileArtem > > -- > Artem Marchenko > [6]http://agilesoftwaredevelopment.com > [7]http://twitter.com/AgileArtem > > References > > 1. mailto:mohammed.has...@jollamobile.com > 2. http://agilesoftwaredevelopment.com/ > 3. http://twitter.com/AgileArtem > 4. http://agilesoftwaredevelopment.com/ > 5. http://twitter.com/AgileArtem > 6. http://agilesoftwaredevelopment.com/ > 7. http://twitter.com/AgileArtem _______________________________________________ SailfishOS.org Devel mailing list
