railbird/react-native-vision-camera
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feat: Add minFocusDistance prop to CameraDevice (#2392)

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* docs: Link `videoHdr`

* Update PERFORMANCE.mdx

* docs: Add isActive to perf

* docs: Update errors

* feat: Add `minFocusDistance` prop

* Format

* Update Podfile.lock

* fix: To Double

* fix: Import AVFoundation

* fix: Move from format -> device

* fix: Use centi-meters (cm) instead of meters

* Fix deadloop

* fix: Avoid -1 values
This commit is contained in:
Marc Rousavy
2024-01-15 19:30:20 +01:00
committed by GitHub
parent 17ae5fae76
commit 58ef21ebfd
8 changed files with 52 additions and 5 deletions
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9
package/android/src/main/java/com/mrousavy/camera/core/CameraDeviceDetails.kt
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@@ -42,6 +42,7 @@ class CameraDeviceDetails(val cameraManager: CameraManager, val cameraId: String
?: floatArrayOf(35f)
val sensorSize = characteristics.get(CameraCharacteristics.SENSOR_INFO_PHYSICAL_SIZE)!!
val sensorOrientation = characteristics.get(CameraCharacteristics.SENSOR_ORIENTATION)!!
val minFocusDistance = getMinFocusDistanceCm()
val name = (
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.P) {
characteristics.get(CameraCharacteristics.INFO_VERSION)
@@ -97,6 +98,13 @@ class CameraDeviceDetails(val cameraManager: CameraManager, val cameraId: String
return false
}
private fun getMinFocusDistanceCm(): Double {
val distance = characteristics.get(CameraCharacteristics.LENS_INFO_MINIMUM_FOCUS_DISTANCE)
if (distance == null || distance == 0f) return 0.0
// distance is in "diopters", meaning 1/meter. Convert to meters, then centi-meters
return 1.0 / distance * 100.0
}
private fun createStabilizationModes(): ReadableArray {
val array = Arguments.createArray()
digitalStabilizationModes.forEach { videoStabilizationMode ->
@@ -198,6 +206,7 @@ class CameraDeviceDetails(val cameraManager: CameraManager, val cameraId: String
map.putString("name", name)
map.putBoolean("hasFlash", hasFlash)
map.putBoolean("hasTorch", hasFlash)
map.putDouble("minFocusDistance", minFocusDistance)
map.putBoolean("isMultiCam", isMultiCam)
map.putBoolean("supportsRawCapture", supportsRawCapture)
map.putBoolean("supportsLowLightBoost", supportsLowLightBoost)

2
package/example/ios/Podfile.lock
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@@ -729,4 +729,4 @@ SPEC CHECKSUMS:
PODFILE CHECKSUM: 27f53791141a3303d814e09b55770336416ff4eb
COCOAPODS: 1.14.3
COCOAPODS: 1.11.3

25
package/ios/Extensions/AVCaptureDevice+minFocusDistance.swift Normal file
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@@ -0,0 +1,25 @@
//
// AVCaptureDevice+minFocusDistance.swift
// VisionCamera
//
// Created by Marc Rousavy on 15.01.24.
// Copyright © 2024 mrousavy. All rights reserved.
//
import AVFoundation
import Foundation
extension AVCaptureDevice {
/**
* The minimum distance this device can focus to, in centi-meters.
*/
var minFocusDistance: Double {
guard #available(iOS 15.0, *), minimumFocusDistance > 0 else {
// focus distance is unknown/unavailable
return 0
}
// convert from millimeters to centimeters
return Double(minimumFocusDistance) / 10
}
}

1
package/ios/Extensions/AVCaptureDevice+toDictionary.swift
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@@ -19,6 +19,7 @@ extension AVCaptureDevice {
"name": localizedName,
"hasFlash": hasFlash,
"hasTorch": hasTorch,
"minFocusDistance": minFocusDistance,
"minZoom": minAvailableVideoZoomFactor,
"maxZoom": maxAvailableVideoZoomFactor,
"neutralZoom": neutralZoomFactor,

4
package/ios/VisionCamera.xcodeproj/project.pbxproj
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@@ -64,6 +64,7 @@
B88751A725E0102000DB86D6 /* CameraView+Zoom.swift in Sources */ = {isa = PBXBuildFile; fileRef = B887518225E0102000DB86D6 /* CameraView+Zoom.swift */; };
B88751A825E0102000DB86D6 /* CameraError.swift in Sources */ = {isa = PBXBuildFile; fileRef = B887518325E0102000DB86D6 /* CameraError.swift */; };
B88751A925E0102000DB86D6 /* CameraView.swift in Sources */ = {isa = PBXBuildFile; fileRef = B887518425E0102000DB86D6 /* CameraView.swift */; };
B88977BE2B556DBA0095C92C /* AVCaptureDevice+minFocusDistance.swift in Sources */ = {isa = PBXBuildFile; fileRef = B88977BD2B556DBA0095C92C /* AVCaptureDevice+minFocusDistance.swift */; };
B8994E6C263F03E100069589 /* JSINSObjectConversion.mm in Sources */ = {isa = PBXBuildFile; fileRef = B8994E6B263F03E100069589 /* JSINSObjectConversion.mm */; };
B8A1AEC42AD7EDE800169C0D /* AVCaptureVideoDataOutput+pixelFormat.swift in Sources */ = {isa = PBXBuildFile; fileRef = B8A1AEC32AD7EDE800169C0D /* AVCaptureVideoDataOutput+pixelFormat.swift */; };
B8A1AEC62AD7F08E00169C0D /* CameraView+Focus.swift in Sources */ = {isa = PBXBuildFile; fileRef = B8A1AEC52AD7F08E00169C0D /* CameraView+Focus.swift */; };
@@ -161,6 +162,7 @@
B887518325E0102000DB86D6 /* CameraError.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = CameraError.swift; sourceTree = "<group>"; };
B887518425E0102000DB86D6 /* CameraView.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = CameraView.swift; sourceTree = "<group>"; };
B88873E5263D46C7008B1D0E /* FrameProcessorPlugin.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = FrameProcessorPlugin.h; sourceTree = "<group>"; };
B88977BD2B556DBA0095C92C /* AVCaptureDevice+minFocusDistance.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = "AVCaptureDevice+minFocusDistance.swift"; sourceTree = "<group>"; };
B8994E6B263F03E100069589 /* JSINSObjectConversion.mm */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.cpp.objcpp; path = JSINSObjectConversion.mm; sourceTree = "<group>"; };
B89A79692B3EF60F005E0357 /* UIImageOrientation+descriptor.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = "UIImageOrientation+descriptor.h"; sourceTree = "<group>"; };
B8A1AEC32AD7EDE800169C0D /* AVCaptureVideoDataOutput+pixelFormat.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = "AVCaptureVideoDataOutput+pixelFormat.swift"; sourceTree = "<group>"; };
@@ -284,6 +286,7 @@
B8A1AEC32AD7EDE800169C0D /* AVCaptureVideoDataOutput+pixelFormat.swift */,
B8207AAC2B0E5DD70002990F /* AVCaptureSession+synchronizeBuffer.swift */,
B8207AAE2B0E67460002990F /* AVCaptureVideoDataOutput+recommendedVideoSettings.swift */,
B88977BD2B556DBA0095C92C /* AVCaptureDevice+minFocusDistance.swift */,
);
path = Extensions;
sourceTree = "<group>";
@@ -488,6 +491,7 @@
B881D35E2ABC775E009B21C8 /* AVCaptureDevice+toDictionary.swift in Sources */,
B87B11BF2A8E63B700732EBF /* PixelFormat.swift in Sources */,
B88751A625E0102000DB86D6 /* CameraViewManager.swift in Sources */,
B88977BE2B556DBA0095C92C /* AVCaptureDevice+minFocusDistance.swift in Sources */,
B80175EC2ABDEBD000E7DE90 /* ResizeMode.swift in Sources */,
B887519F25E0102000DB86D6 /* AVCaptureDevice.DeviceType+physicalDeviceDescriptor.swift in Sources */,
B88685ED2AD6A5E600E93869 /* CameraSession+CodeScanner.swift in Sources */,

4
package/src/CameraDevice.ts
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@@ -164,6 +164,10 @@ export interface CameraDevice {
* Specifies whether this camera supports continuously enabling the flash to act like a torch (flash with video capture)
*/
hasTorch: boolean
/**
* The minimum distance this device can properly focus to (in centimeters/cm) or `0` if unknown.
*/
minFocusDistance: number
/**
* A property indicating whether the device is a virtual multi-camera consisting of multiple combined physical cameras.
*