railbird/react-native-vision-camera
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Ensure custom exposure mode is supported #7

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colonelpanic merged 1 commits from ivan/ensure-capture-mode-is-supported into main 2024-10-10 15:18:13 -06:00
Conversation 0 Commits 1 Files Changed 1 +15 -11
1 changed files with 15 additions and 11 deletions
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Showing only changes of commit 3319e48f7d - Show all commits

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package/ios/Core/CameraSession+Video.swift
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@ -34,7 +34,7 @@ extension CameraSession {
} }
let enableAudio = self.configuration?.audio != .disabled let enableAudio = self.configuration?.audio != .disabled
// Callback for when new chunks are ready // Callback for when new chunks are ready
let onChunkReady: (ChunkedRecorder.Chunk) -> Void = { chunk in let onChunkReady: (ChunkedRecorder.Chunk) -> Void = { chunk in
guard let delegate = self.delegate else { guard let delegate = self.delegate else {
@ -191,7 +191,7 @@ extension CameraSession {
} }
} }
} }
func lockCurrentExposure(promise: Promise) { func lockCurrentExposure(promise: Promise) {
CameraQueues.cameraQueue.async { CameraQueues.cameraQueue.async {
withPromise(promise) { withPromise(promise) {
@ -199,15 +199,19 @@ extension CameraSession {
print("No capture device available") print("No capture device available")
return return
} }
guard captureDevice.isExposureModeSupported(.custom) else {
ReactLogger.log(level: .info, message: "Custom exposure mode not supported")
return
}
do { do {
// Lock the device for configuration // Lock the device for configuration
try captureDevice.lockForConfiguration() try captureDevice.lockForConfiguration()
// Get the current exposure duration and ISO // Get the current exposure duration and ISO
let currentExposureDuration = captureDevice.exposureDuration let currentExposureDuration = captureDevice.exposureDuration
let currentISO = captureDevice.iso let currentISO = captureDevice.iso
// Check if the device supports custom exposure settings // Check if the device supports custom exposure settings
if captureDevice.isExposureModeSupported(.custom) { if captureDevice.isExposureModeSupported(.custom) {
// Lock the current exposure and ISO by setting custom exposure mode // Lock the current exposure and ISO by setting custom exposure mode
@ -216,19 +220,19 @@ extension CameraSession {
} else { } else {
ReactLogger.log(level: .info, message:"Custom exposure mode not supported") ReactLogger.log(level: .info, message:"Custom exposure mode not supported")
} }
// Unlock the device after configuration // Unlock the device after configuration
captureDevice.unlockForConfiguration() captureDevice.unlockForConfiguration()
} catch { } catch {
ReactLogger.log(level: .warning, message:"Error locking exposure: \(error)") ReactLogger.log(level: .warning, message:"Error locking exposure: \(error)")
} }
return nil return nil
} }
} }
} }
func unlockCurrentExposure(promise: Promise) { func unlockCurrentExposure(promise: Promise) {
CameraQueues.cameraQueue.async { CameraQueues.cameraQueue.async {
withPromise(promise) { withPromise(promise) {
@ -236,7 +240,7 @@ extension CameraSession {
print("No capture device available") print("No capture device available")
return return
} }
do { do {
if captureDevice.isExposureModeSupported(.autoExpose) { if captureDevice.isExposureModeSupported(.autoExpose) {
try captureDevice.lockForConfiguration() try captureDevice.lockForConfiguration()
@ -246,7 +250,7 @@ extension CameraSession {
} catch { } catch {
ReactLogger.log(level: .warning, message:"Error unlocking exposure: \(error)") ReactLogger.log(level: .warning, message:"Error unlocking exposure: \(error)")
} }
return nil return nil
} }
} }