railbird/react-native-vision-camera
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Ensure custom exposure mode is supported

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This commit is contained in:
Ivan Malison 2024-10-09 17:59:22 -06:00
parent 58714f9dac
commit 0faaf5d74c
1 changed files with 15 additions and 11 deletions
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26
package/ios/Core/CameraSession+Video.swift
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@ -34,7 +34,7 @@ extension CameraSession {
}
let enableAudio = self.configuration?.audio != .disabled
// Callback for when new chunks are ready
let onChunkReady: (ChunkedRecorder.Chunk) -> Void = { chunk in
guard let delegate = self.delegate else {
@ -191,23 +191,27 @@ extension CameraSession {
}
}
}
func lockCurrentExposure(promise: Promise) {
CameraQueues.cameraQueue.async {
withPromise(promise) {
guard let captureDevice = AVCaptureDevice.default(for: .video) else {
print("No capture device available")
return
}
guard captureDevice.isExposureModeSupported(.custom) else {
ReactLogger.log(level: .info, message: "Custom exposure mode not supported")
return
}
do {
// Lock the device for configuration
try captureDevice.lockForConfiguration()
// Get the current exposure duration and ISO
let currentExposureDuration = captureDevice.exposureDuration
let currentISO = captureDevice.iso
// Check if the device supports custom exposure settings
if captureDevice.isExposureModeSupported(.custom) {
// Lock the current exposure and ISO by setting custom exposure mode
@ -216,19 +220,19 @@ extension CameraSession {
} else {
ReactLogger.log(level: .info, message:"Custom exposure mode not supported")
}
// Unlock the device after configuration
captureDevice.unlockForConfiguration()
} catch {
ReactLogger.log(level: .warning, message:"Error locking exposure: \(error)")
}
return nil
}
}
}
func unlockCurrentExposure(promise: Promise) {
CameraQueues.cameraQueue.async {
withPromise(promise) {
@ -236,7 +240,7 @@ extension CameraSession {
print("No capture device available")
return
}
do {
if captureDevice.isExposureModeSupported(.autoExpose) {
try captureDevice.lockForConfiguration()
@ -246,7 +250,7 @@ extension CameraSession {
} catch {
ReactLogger.log(level: .warning, message:"Error unlocking exposure: \(error)")
}
return nil
}
}