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feat(camera): custom frame rate

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- experimental disable cameras
This commit is contained in:
rhunk
2024-01-14 00:35:55 +01:00
parent 1f4eb18aa8
commit 2905fe6e2d
3 changed files with 64 additions and 26 deletions
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60
core/src/main/kotlin/me/rhunk/snapenhance/core/features/impl/tweaks/CameraTweaks.kt
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@ -28,25 +28,41 @@ class CameraTweaks : Feature("Camera Tweaks", loadParams = FeatureLoadParams.ACT
@SuppressLint("MissingPermission", "DiscouragedApi")
override fun onActivityCreate() {
val config = context.config.camera
if (config.disable.get()) {
val frontCameraId = runCatching { context.androidContext.getSystemService(CameraManager::class.java).run {
cameraIdList.firstOrNull { getCameraCharacteristics(it).get(CameraCharacteristics.LENS_FACING) == CameraCharacteristics.LENS_FACING_FRONT }
} }.getOrNull()
if (config.disableCameras.get().isNotEmpty() && frontCameraId != null) {
ContextWrapper::class.java.hook("checkPermission", HookStage.BEFORE) { param ->
val permission = param.arg<String>(0)
if (permission == Manifest.permission.CAMERA) {
param.setResult(PackageManager.PERMISSION_GRANTED)
}
}
}
var isLastCameraFront = false
CameraManager::class.java.hook("openCamera", HookStage.BEFORE) { param ->
if (config.disable.get()) {
val cameraManager = param.thisObject() as? CameraManager ?: return@hook
val cameraId = param.arg<String>(0)
val disabledCameras = config.disableCameras.get()
if (disabledCameras.size >= 2) {
param.setResult(null)
return@hook
}
val cameraManager = param.thisObject() as? CameraManager ?: return@hook
isLastCameraFront = cameraManager.getCameraCharacteristics(param.arg(0)).get(CameraCharacteristics.LENS_FACING) == CameraCharacteristics.LENS_FACING_FRONT
isLastCameraFront = cameraId == frontCameraId
if (disabledCameras.size != 1) return@hook
// trick to replace unwanted camera with another one
if ((disabledCameras.contains("front") && isLastCameraFront) || (disabledCameras.contains("back") && !isLastCameraFront)) {
param.setArg(0, cameraManager.cameraIdList.filterNot { it == cameraId }.firstOrNull() ?: return@hook)
isLastCameraFront = !isLastCameraFront
}
}
ImageReader::class.java.hook("newInstance", HookStage.BEFORE) { param ->
@ -56,19 +72,33 @@ class CameraTweaks : Feature("Camera Tweaks", loadParams = FeatureLoadParams.ACT
param.setArg(1, captureResolutionConfig[1])
}
config.customFrameRate.getNullable()?.also { value ->
val customFrameRate = value.toInt()
CameraCharacteristics::class.java.hook("get", HookStage.AFTER) { param ->
val key = param.arg<Key<*>>(0)
if (key == CameraCharacteristics.CONTROL_AE_AVAILABLE_TARGET_FPS_RANGES) {
val fpsRanges = param.getResult() as? Array<*> ?: return@hook
fpsRanges.forEach {
val range = it as? Range<*> ?: return@forEach
range.setObjectField("mUpper", customFrameRate)
range.setObjectField("mLower", customFrameRate)
CameraCharacteristics::class.java.hook("get", HookStage.AFTER) { param ->
val key = param.argNullable<Key<*>>(0) ?: return@hook
if (key == CameraCharacteristics.LENS_FACING) {
val disabledCameras = config.disableCameras.get()
//FIXME: unexpected behavior when app is resumed
if (disabledCameras.size == 1) {
val isFrontCamera = param.getResult() as? Int == CameraCharacteristics.LENS_FACING_FRONT
if ((disabledCameras.contains("front") && isFrontCamera) || (disabledCameras.contains("back") && !isFrontCamera)) {
param.setResult(if (isFrontCamera) CameraCharacteristics.LENS_FACING_BACK else CameraCharacteristics.LENS_FACING_FRONT)
}
}
}
if (key == CameraCharacteristics.CONTROL_AE_AVAILABLE_TARGET_FPS_RANGES) {
val isFrontCamera = param.invokeOriginal(
arrayOf(CameraCharacteristics.LENS_FACING)
) == CameraCharacteristics.LENS_FACING_FRONT
val customFrameRate = (if (isFrontCamera) config.frontCustomFrameRate.getNullable() else config.backCustomFrameRate.getNullable())?.toIntOrNull() ?: return@hook
val fpsRanges = param.getResult() as? Array<*> ?: return@hook
fpsRanges.forEach {
val range = it as? Range<*> ?: return@forEach
range.setObjectField("mUpper", customFrameRate)
range.setObjectField("mLower", customFrameRate)
}
}
}
if (config.blackPhotos.get()) {