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Save Camera Properties to external file when in debug mode (#261)
* Save Camera Properties to external file * address comments * update * Update DebugCameraInfoUtil.kt * address comments * Update DebugCameraInfoUtil.kt * Update CameraXCameraUseCase.kt * update * Update CameraXCameraUseCase.kt
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135 changes: 135 additions & 0 deletions
135
core/camera/src/main/java/com/google/jetpackcamera/core/camera/DebugCameraInfoUtil.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,135 @@ | ||
| /* | ||
| * Copyright (C) 2024 The Android Open Source Project | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
| package com.google.jetpackcamera.core.camera | ||
|
|
||
| import android.hardware.camera2.CameraCharacteristics | ||
| import android.os.Build | ||
| import android.os.Environment | ||
| import androidx.annotation.OptIn | ||
| import androidx.annotation.RequiresApi | ||
| import androidx.camera.camera2.interop.Camera2CameraInfo | ||
| import androidx.camera.camera2.interop.ExperimentalCamera2Interop | ||
| import androidx.camera.core.CameraInfo | ||
| import java.io.File | ||
| import java.io.FileOutputStream | ||
| import org.json.JSONArray | ||
| import org.json.JSONObject | ||
|
|
||
| private const val TAG = "DebugCameraInfoUtil" | ||
| object DebugCameraInfoUtil { | ||
| @OptIn(ExperimentalCamera2Interop::class) | ||
| @RequiresApi(Build.VERSION_CODES.P) | ||
| fun getAllCamerasPropertiesJSONArray(cameraInfos: List<CameraInfo>): JSONArray { | ||
| val result = JSONArray() | ||
| for (cameraInfo in cameraInfos) { | ||
| var camera2CameraInfo = Camera2CameraInfo.from(cameraInfo) | ||
| val logicalCameraId = camera2CameraInfo.cameraId | ||
| val logicalCameraData = JSONObject() | ||
| logicalCameraData.put( | ||
| "logical-$logicalCameraId", | ||
| getCameraPropertiesJSONObject(camera2CameraInfo) | ||
| ) | ||
| for (physicalCameraInfo in cameraInfo.physicalCameraInfos) { | ||
| camera2CameraInfo = Camera2CameraInfo.from(physicalCameraInfo) | ||
| val physicalCameraId = camera2CameraInfo.cameraId | ||
| logicalCameraData.put( | ||
| "physical-$physicalCameraId", | ||
| getCameraPropertiesJSONObject(camera2CameraInfo) | ||
| ) | ||
| } | ||
| result.put(logicalCameraData) | ||
| } | ||
| return result | ||
| } | ||
|
|
||
| @OptIn(ExperimentalCamera2Interop::class) | ||
| private fun getCameraPropertiesJSONObject(cameraInfo: Camera2CameraInfo): JSONObject { | ||
| val jsonObject = JSONObject() | ||
| if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) { | ||
| cameraInfo.getCameraCharacteristic(CameraCharacteristics.LENS_POSE_ROTATION) | ||
| ?.let { | ||
| jsonObject.put( | ||
| CameraCharacteristics.LENS_POSE_ROTATION.name, | ||
| it.contentToString() | ||
| ) | ||
| } | ||
| cameraInfo.getCameraCharacteristic(CameraCharacteristics.LENS_POSE_TRANSLATION) | ||
| ?.let { | ||
| jsonObject.put( | ||
| CameraCharacteristics.LENS_POSE_TRANSLATION.name, | ||
| it.contentToString() | ||
| ) | ||
| } | ||
| cameraInfo.getCameraCharacteristic(CameraCharacteristics.LENS_INTRINSIC_CALIBRATION) | ||
| ?.let { | ||
| jsonObject.put( | ||
| CameraCharacteristics.LENS_INTRINSIC_CALIBRATION.name, | ||
| it.contentToString() | ||
| ) | ||
| } | ||
| } | ||
| if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.P) { | ||
| cameraInfo.getCameraCharacteristic(CameraCharacteristics.LENS_DISTORTION) | ||
| ?.let { | ||
| jsonObject.put( | ||
| CameraCharacteristics.LENS_DISTORTION.name, | ||
| it.contentToString() | ||
| ) | ||
| } | ||
| } | ||
| if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.R) { | ||
| cameraInfo.getCameraCharacteristic(CameraCharacteristics.CONTROL_ZOOM_RATIO_RANGE) | ||
| ?.let { jsonObject.put(CameraCharacteristics.CONTROL_ZOOM_RATIO_RANGE.name, it) } | ||
| } | ||
| cameraInfo.getCameraCharacteristic(CameraCharacteristics.LENS_INFO_AVAILABLE_FOCAL_LENGTHS) | ||
| ?.let { | ||
| jsonObject.put( | ||
| CameraCharacteristics.LENS_INFO_AVAILABLE_FOCAL_LENGTHS.name, | ||
| it.contentToString() | ||
| ) | ||
| } | ||
| cameraInfo.getCameraCharacteristic(CameraCharacteristics.LENS_INFO_MINIMUM_FOCUS_DISTANCE) | ||
| ?.let { | ||
| jsonObject.put( | ||
| CameraCharacteristics.LENS_INFO_MINIMUM_FOCUS_DISTANCE.name, | ||
| it | ||
| ) | ||
| } | ||
| cameraInfo.getCameraCharacteristic(CameraCharacteristics.REQUEST_AVAILABLE_CAPABILITIES) | ||
| ?.let { | ||
| jsonObject.put( | ||
| CameraCharacteristics.REQUEST_AVAILABLE_CAPABILITIES.name, | ||
| it.contentToString() | ||
| ) | ||
| } | ||
|
|
||
| return jsonObject | ||
| } | ||
|
|
||
| fun writeFileExternalStorage(file: File, textToWrite: String) { | ||
| // Checking the availability state of the External Storage. | ||
| val state = Environment.getExternalStorageState() | ||
| if (Environment.MEDIA_MOUNTED != state) { | ||
| // If it isn't mounted - we can't write into it. | ||
| return | ||
| } | ||
|
|
||
| file.createNewFile() | ||
| FileOutputStream(file).use { outputStream -> | ||
| outputStream.write(textToWrite.toByteArray()) | ||
| } | ||
| } | ||
| } |
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