mergAV Select specific rear camera
monte at appisle.net
Thu Apr 30 19:19:57 EDT 2020
It looks like both mergAVCam and the cameraControl in the Indy+ engines need to be updated to use APIs added in iOS 11 for `minAvailableVideoZoomFactor` and `maxAvailableVideoZoomFactor`. The multiple lens back camera is treated as one device and it switches between the lenses depending on the zoom factor. If you would like to open a report about this so it gets prioritised that would be great.
> On 1 May 2020, at 7:51 am, Andrew at MidWest Coast Media via use-livecode <use-livecode at lists.runrev.com> wrote:
> The only devices that are returned by mergAVCamGet(“video devices”) is:
> com.apple.avfondation.avcapturedvice.built-in_video:0 Back Camera
> com.apple.avfondation.avcapturedvice.built-in_video:1 Front Camera
> mergAVPick(“rear camera”) brings up the native camera controls, but my goal is to have a live feed from the camera but WITHOUT all the overlays the native camera adds. I can do this easily with the mergAV demo stack, but can’t access all the features.
> I’ve been able to utilize the mergAVCamGet/Set("zoom”) to work on the normal (non wide-angle) lens from 1x to 2x but it won’t go all the way to 3x or down to 0.5x like the native camera will do (0.5x-1x by using the wide-angle, not sure why I can’t use 2x-3x even without a telephoto lens if the native control does).
> -Andrew Bell
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