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add lockExposure to Camera2Source #1863

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add lockExposure to Camera2Source #1863

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4 changes: 4 additions & 0 deletions encoder/src/main/java/com/pedro/encoder/input/sources/video/Camera2Source.kt
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Original file line number Diff line number Diff line change
Expand Up @@ -269,4 +269,8 @@ class Camera2Source(context: Context): VideoSource() {
size?.let { checkResolutionSupported(it.width, it.height) }
camera.setRequiredResolution(size)
}

fun lockExposure(enabled: Boolean) = camera.lockExposure(enabled)

fun isLockExposureEnabled() = camera.isLockExposureEnabled()
}
13 changes: 13 additions & 0 deletions encoder/src/main/java/com/pedro/encoder/input/video/Camera2ApiManager.kt
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Original file line number Diff line number Diff line change
Expand Up @@ -95,6 +95,8 @@ class Camera2ApiManager(context: Context) : CameraDevice.StateCallback() {
private set
var isAutoWhiteBalanceEnabled: Boolean = true
private set
var lockExposureEnabled: Boolean = false
private set
var isRunning: Boolean = false
private set
private var fps = 30
Expand Down Expand Up @@ -315,6 +317,17 @@ class Camera2ApiManager(context: Context) : CameraDevice.StateCallback() {
}
}

fun lockExposure(enabled: Boolean): Boolean {
val builderInputSurface = this.builderInputSurface ?: return false
builderInputSurface.set(CaptureRequest.CONTROL_AE_LOCK, enabled)
if (applyRequest(builderInputSurface)) {
lockExposureEnabled = enabled
return true
} else return false
}

fun isLockExposureEnabled() = lockExposureEnabled

/**
* @param mode value from CameraCharacteristics.CONTROL_AWB_MODE_*
*/
Expand Down