![]() ![]() You add to it one or more inputs, AVCapture inputs. It's the thing that you tell to start or stop running. The AVCaptureSession is the center of our world. ![]() Now, if you've used AVFoundation before for camera capture, you know that we have four main groups of classes: inputs, outputs, the session and connections. ![]() We've got a new set of APIs for building MultiCam sessions. On all of these platforms, the aforementioned hardware limitations have been solved thankfully. So we wanted to make sure that we delivered something to you that would help you deal with the hardware, thermal and bandwidth constraints that are a reality in our world.Īll right, so great news in iOS 13, we do finally support MultiCam capture, and we do it on all recent hardware, iPhone XS, XS Max, XR and the new iPad Pro. I'm talking about cameras sharing power rails and not physically being able to provide enough power to power two cameras simultaneously full bore.Īnd the second reason was our desire to ship a responsible API, one that would help you not burn the phone down when doing all of this processing power with multiple cameras simultaneously. The first reason is hardware limitations. So we've supported MultiCam on the Mac since the very first appearance of AVFoundation way the heck back in Lion.īut on iOS, AVFoundation still limits clients to one active camera at a time.Īnd it's not because we're mean. These APIs use front camera for face and pose tracking while also using the back camera for world tracking which helps them know where to place virtual characters in the scene by knowing what you're gazing at. And if you heard the keynote, you heard about the introduction of ARKit 3. We've had many and repeated requests from first-party clients as well for MultiCam capture. Third parties aren't the only ones who benefit from this though. So what we're talking about here is the ability to simultaneously capture video, audio, metadata, depth and photos from multiple cameras and microphones simultaneously. ![]() MultiCam is our single most requested third-party feature. Multi-camera capture or as we like to call it internally, MultiCam. ![]()
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