48 lines
1.5 KiB
Swift
48 lines
1.5 KiB
Swift
|
//
|
||
|
|
// AVCaptureDevice.Format+isBetterThan.swift
|
||
|
|
// Cuvent
|
||
|
|
//
|
||
|
|
// Created by Marc Rousavy on 19.12.20.
|
||
|
|
// Copyright © 2020 Facebook. All rights reserved.
|
||
|
|
//
|
||
|
|
|
||
|
|
import AVFoundation
|
||
|
|
|
||
|
|
extension AVCaptureDevice.Format {
|
||
|
|
/** Compares the current Format to the given format and returns true if the current format has either:
|
||
|
|
* 1. Higher still image capture dimensions
|
||
|
|
* 2. Higher video format dimensions (iOS 13.0)
|
||
|
|
* 3. Higher FPS
|
||
|
|
*/
|
||
|
|
func isBetterThan(_ other: AVCaptureDevice.Format) -> Bool {
|
||
|
|
// compare still image dimensions
|
||
|
|
let leftDimensions = highResolutionStillImageDimensions
|
||
|
|
let rightDimensions = other.highResolutionStillImageDimensions
|
||
|
|
if leftDimensions.height * leftDimensions.width > rightDimensions.height * rightDimensions.width
|
||
|
|
{
|
||
|
|
return true
|
||
|
|
}
|
||
|
|
|
||
|
|
if #available(iOS 13.0, *) {
|
||
|
|
// compare video dimensions
|
||
|
|
let leftVideo = self.formatDescription.presentationDimensions()
|
||
|
|
let rightVideo = other.formatDescription.presentationDimensions()
|
||
|
|
if leftVideo.height * leftVideo.width > rightVideo.height * rightVideo.width
|
||
|
|
{
|
||
|
|
return true
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// compare max fps
|
||
|
|
if let leftMaxFps = videoSupportedFrameRateRanges.max(by: { $0.maxFrameRate > $1.maxFrameRate }),
|
||
|
|
let rightMaxFps = other.videoSupportedFrameRateRanges.max(by: { $0.maxFrameRate > $1.maxFrameRate })
|
||
|
|
{
|
||
|
|
if leftMaxFps.maxFrameRate > rightMaxFps.maxFrameRate {
|
||
|
|
return true
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return false
|
||
|
|
}
|
||
|
|
}
|