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{
    "id": 11646,
    "url": "https://patchwork.libcamera.org/api/patches/11646/?format=api",
    "web_url": "https://patchwork.libcamera.org/patch/11646/",
    "project": {
        "id": 1,
        "url": "https://patchwork.libcamera.org/api/projects/1/?format=api",
        "name": "libcamera",
        "link_name": "libcamera",
        "list_id": "libcamera_core",
        "list_email": "libcamera-devel@lists.libcamera.org",
        "web_url": "",
        "scm_url": "",
        "webscm_url": ""
    },
    "msgid": "<20210323014226.3211412-2-hiroh@chromium.org>",
    "date": "2021-03-23T01:42:19",
    "name": "[libcamera-devel,1/8] android: CameraHalManager: Hold CameraDevice with std::unique_ptr",
    "commit_ref": null,
    "pull_url": null,
    "state": "superseded",
    "archived": false,
    "hash": "bc45799248edad2f277cbf89cc39b06f89fa9b51",
    "submitter": {
        "id": 63,
        "url": "https://patchwork.libcamera.org/api/people/63/?format=api",
        "name": "Hirokazu Honda",
        "email": "hiroh@chromium.org"
    },
    "delegate": null,
    "mbox": "https://patchwork.libcamera.org/patch/11646/mbox/",
    "series": [
        {
            "id": 1817,
            "url": "https://patchwork.libcamera.org/api/series/1817/?format=api",
            "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=1817",
            "date": "2021-03-23T01:42:18",
            "name": "Improve pointer types in android HAL adaptation layer",
            "version": 1,
            "mbox": "https://patchwork.libcamera.org/series/1817/mbox/"
        }
    ],
    "comments": "https://patchwork.libcamera.org/api/patches/11646/comments/",
    "check": "pending",
    "checks": "https://patchwork.libcamera.org/api/patches/11646/checks/",
    "tags": {},
    "headers": {
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        "From": "Hirokazu Honda <hiroh@chromium.org>",
        "To": "libcamera-devel@lists.libcamera.org",
        "Date": "Tue, 23 Mar 2021 10:42:19 +0900",
        "Message-Id": "<20210323014226.3211412-2-hiroh@chromium.org>",
        "X-Mailer": "git-send-email 2.31.0.rc2.261.g7f71774620-goog",
        "In-Reply-To": "<20210323014226.3211412-1-hiroh@chromium.org>",
        "References": "<20210323014226.3211412-1-hiroh@chromium.org>",
        "MIME-Version": "1.0",
        "Subject": "[libcamera-devel] [PATCH 1/8] android: CameraHalManager: Hold\n\tCameraDevice with std::unique_ptr",
        "X-BeenThere": "libcamera-devel@lists.libcamera.org",
        "X-Mailman-Version": "2.1.29",
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        "Errors-To": "libcamera-devel-bounces@lists.libcamera.org",
        "Sender": "\"libcamera-devel\" <libcamera-devel-bounces@lists.libcamera.org>"
    },
    "content": "CameraDevice is owned by CameraHalManager. The ownership of the\nobject is not shared with other classes. So CameraHalManager\nshould manage CameraDevice with std::unique_ptr.\n\nSigned-off-by: Hirokazu Honda <hiroh@chromium.org>\n\n---\n src/android/camera_device.cpp      |  5 ++---\n src/android/camera_device.h        |  2 +-\n src/android/camera_hal_manager.cpp | 10 ++++------\n src/android/camera_hal_manager.h   |  2 +-\n 4 files changed, 8 insertions(+), 11 deletions(-)\n\n--\n2.31.0.rc2.261.g7f71774620-goog",
    "diff": "diff --git a/src/android/camera_device.cpp b/src/android/camera_device.cpp\nindex 72a89258..d0955de7 100644\n--- a/src/android/camera_device.cpp\n+++ b/src/android/camera_device.cpp\n@@ -350,11 +350,10 @@ CameraDevice::~CameraDevice()\n \t\tdelete it.second;\n }\n\n-std::shared_ptr<CameraDevice> CameraDevice::create(unsigned int id,\n+std::unique_ptr<CameraDevice> CameraDevice::create(unsigned int id,\n \t\t\t\t\t\t   const std::shared_ptr<Camera> &cam)\n {\n-\tCameraDevice *camera = new CameraDevice(id, cam);\n-\treturn std::shared_ptr<CameraDevice>(camera);\n+\treturn std::unique_ptr<CameraDevice>(new CameraDevice(id, cam));\n }\n\n /*\ndiff --git a/src/android/camera_device.h b/src/android/camera_device.h\nindex 823d561c..8be7f305 100644\n--- a/src/android/camera_device.h\n+++ b/src/android/camera_device.h\n@@ -32,7 +32,7 @@\n class CameraDevice : protected libcamera::Loggable\n {\n public:\n-\tstatic std::shared_ptr<CameraDevice> create(unsigned int id,\n+\tstatic std::unique_ptr<CameraDevice> create(unsigned int id,\n \t\t\t\t\t\t    const std::shared_ptr<libcamera::Camera> &cam);\n \t~CameraDevice();\n\ndiff --git a/src/android/camera_hal_manager.cpp b/src/android/camera_hal_manager.cpp\nindex 189eda2b..b3c85406 100644\n--- a/src/android/camera_hal_manager.cpp\n+++ b/src/android/camera_hal_manager.cpp\n@@ -36,8 +36,6 @@ CameraHalManager::CameraHalManager()\n\n CameraHalManager::~CameraHalManager()\n {\n-\tcameras_.clear();\n-\n \tif (cameraManager_) {\n \t\tcameraManager_->stop();\n \t\tdelete cameraManager_;\n@@ -124,7 +122,7 @@ void CameraHalManager::cameraAdded(std::shared_ptr<Camera> cam)\n \t}\n\n \t/* Create a CameraDevice instance to wrap the libcamera Camera. */\n-\tstd::shared_ptr<CameraDevice> camera = CameraDevice::create(id, std::move(cam));\n+\tstd::unique_ptr<CameraDevice> camera = CameraDevice::create(id, std::move(cam));\n \tint ret = camera->initialize();\n \tif (ret) {\n \t\tLOG(HAL, Error) << \"Failed to initialize camera: \" << cam->id();\n@@ -154,7 +152,7 @@ void CameraHalManager::cameraRemoved(std::shared_ptr<Camera> cam)\n \tMutexLocker locker(mutex_);\n\n \tauto iter = std::find_if(cameras_.begin(), cameras_.end(),\n-\t\t\t\t [&cam](std::shared_ptr<CameraDevice> &camera) {\n+\t\t\t\t [&cam](const std::unique_ptr<CameraDevice> &camera) {\n \t\t\t\t\t return cam == camera->camera();\n \t\t\t\t });\n \tif (iter == cameras_.end())\n@@ -191,7 +189,7 @@ int32_t CameraHalManager::cameraLocation(const Camera *cam)\n CameraDevice *CameraHalManager::cameraDeviceFromHalId(unsigned int id)\n {\n \tauto iter = std::find_if(cameras_.begin(), cameras_.end(),\n-\t\t\t\t [id](std::shared_ptr<CameraDevice> &camera) {\n+\t\t\t\t [id](const std::unique_ptr<CameraDevice> &camera) {\n \t\t\t\t\t return camera->id() == id;\n \t\t\t\t });\n \tif (iter == cameras_.end())\n@@ -243,7 +241,7 @@ void CameraHalManager::setCallbacks(const camera_module_callbacks_t *callbacks)\n \t * Internal cameras are already assumed to be present at module load\n \t * time by the Android framework.\n \t */\n-\tfor (std::shared_ptr<CameraDevice> &camera : cameras_) {\n+\tfor (const std::unique_ptr<CameraDevice> &camera : cameras_) {\n \t\tunsigned int id = camera->id();\n \t\tif (id >= firstExternalCameraId_)\n \t\t\tcallbacks_->camera_device_status_change(callbacks_, id,\ndiff --git a/src/android/camera_hal_manager.h b/src/android/camera_hal_manager.h\nindex a91decc7..65bb3554 100644\n--- a/src/android/camera_hal_manager.h\n+++ b/src/android/camera_hal_manager.h\n@@ -50,7 +50,7 @@ private:\n \tlibcamera::CameraManager *cameraManager_;\n\n \tconst camera_module_callbacks_t *callbacks_;\n-\tstd::vector<std::shared_ptr<CameraDevice>> cameras_;\n+\tstd::vector<std::unique_ptr<CameraDevice>> cameras_;\n \tstd::map<std::string, unsigned int> cameraIdsMap_;\n \tMutex mutex_;\n\n",
    "prefixes": [
        "libcamera-devel",
        "1/8"
    ]
}