Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Adds a method to zoom the video capture device using an optional rate #35

Open
wants to merge 2 commits into
base: master
Choose a base branch
from
Open

Adds a method to zoom the video capture device using an optional rate #35

Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
d1737c9
Adds a method to zoom the video capture device using an optional rate
dsmurfin Mar 6, 2022
9a6cc19
Rework as extension
dsmurfin Apr 6, 2024
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
29 changes: 29 additions & 0 deletions Sources/VideoIO/Camera+Zoom.swift
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -0,0 +1,29 @@
//
// Camera+Zoom.swift
//
//
// Created by Daniel Murfin on 2024/04/06.
//

import Foundation
import AVFoundation

@available(iOS 10.0, macOS 10.15, *)
@available(tvOS, unavailable)
@available(macCatalyst 14.0, *)
extension Camera {
@available(macOS, unavailable)
public func setZoom(to zoomFactor: CGFloat, withRate rate: Float?) throws {
guard let videoDevice = self.videoDevice else {
return
}
let clampedZoom = min(max(zoomFactor, videoDevice.minAvailableVideoZoomFactor), videoDevice.maxAvailableVideoZoomFactor)
try videoDevice.lockForConfiguration()
if let rate = rate {
videoDevice.ramp(toVideoZoomFactor: clampedZoom, withRate: rate)
} else {
videoDevice.videoZoomFactor = clampedZoom
}
videoDevice.unlockForConfiguration()
}
}
Loading