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{
    "id": 18600,
    "url": "https://patchwork.libcamera.org/api/patches/18600/?format=api",
    "web_url": "https://patchwork.libcamera.org/patch/18600/",
    "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": "<20230503124725.200550-2-pobrn@protonmail.com>",
    "date": "2023-05-03T12:47:34",
    "name": "[libcamera-devel,RFC,v2,2/2] libcamera: Remove `StreamRoles` alias",
    "commit_ref": null,
    "pull_url": null,
    "state": "superseded",
    "archived": false,
    "hash": "767e9c8c4f0533892cf2578bb1bccc75688fe3db",
    "submitter": {
        "id": 133,
        "url": "https://patchwork.libcamera.org/api/people/133/?format=api",
        "name": "Pőcze Barnabás",
        "email": "pobrn@protonmail.com"
    },
    "delegate": null,
    "mbox": "https://patchwork.libcamera.org/patch/18600/mbox/",
    "series": [
        {
            "id": 3864,
            "url": "https://patchwork.libcamera.org/api/series/3864/?format=api",
            "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=3864",
            "date": "2023-05-03T12:47:28",
            "name": "[libcamera-devel,RFC,v2,1/2] libcamera: camera: Take span of StreamRole instead of vector",
            "version": 2,
            "mbox": "https://patchwork.libcamera.org/series/3864/mbox/"
        }
    ],
    "comments": "https://patchwork.libcamera.org/api/patches/18600/comments/",
    "check": "pending",
    "checks": "https://patchwork.libcamera.org/api/patches/18600/checks/",
    "tags": {},
    "headers": {
        "Return-Path": "<libcamera-devel-bounces@lists.libcamera.org>",
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        "Date": "Wed, 03 May 2023 12:47:34 +0000",
        "To": "libcamera-devel@lists.libcamera.org",
        "Message-ID": "<20230503124725.200550-2-pobrn@protonmail.com>",
        "In-Reply-To": "<20230503124725.200550-1-pobrn@protonmail.com>",
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        "MIME-Version": "1.0",
        "Content-Type": "text/plain; charset=utf-8",
        "Content-Transfer-Encoding": "quoted-printable",
        "Subject": "[libcamera-devel] [RFC PATCH v2 2/2] libcamera: Remove\n\t`StreamRoles` alias",
        "X-BeenThere": "libcamera-devel@lists.libcamera.org",
        "X-Mailman-Version": "2.1.29",
        "Precedence": "list",
        "List-Id": "<libcamera-devel.lists.libcamera.org>",
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        "List-Post": "<mailto:libcamera-devel@lists.libcamera.org>",
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        "List-Subscribe": "<https://lists.libcamera.org/listinfo/libcamera-devel>,\n\t<mailto:libcamera-devel-request@lists.libcamera.org?subject=subscribe>",
        "From": "=?utf-8?q?Barnab=C3=A1s_P=C5=91cze_via_libcamera-devel?=\n\t<libcamera-devel@lists.libcamera.org>",
        "Reply-To": "=?utf-8?q?Barnab=C3=A1s_P=C5=91cze?= <pobrn@protonmail.com>",
        "Errors-To": "libcamera-devel-bounces@lists.libcamera.org",
        "Sender": "\"libcamera-devel\" <libcamera-devel-bounces@lists.libcamera.org>"
    },
    "content": "Now that `Camera::generateConfiguration()` takes a `libcamera::Span`\nof `StreamRole`, remove the `StreamRoles` type, which was an alias\nto `std::vector<libcamera::StreamRole>`.\n\nThe removal has two reasons:\n - it is no longer strictly necessary,\n - its presence may suggest that that is the preferred (or correct)\n   way to build/pass a list of `StreamRole`.\n\nSigned-off-by: Barnabás Pőcze <pobrn@protonmail.com>\n---\n include/libcamera/stream.h             | 2 --\n src/apps/cam/camera_session.cpp        | 2 +-\n src/apps/common/stream_options.cpp     | 4 ++--\n src/apps/common/stream_options.h       | 2 +-\n src/apps/qcam/main_window.cpp          | 2 +-\n src/gstreamer/gstlibcameraprovider.cpp | 5 ++---\n src/gstreamer/gstlibcamerasrc.cpp      | 2 +-\n src/libcamera/stream.cpp               | 5 -----\n 8 files changed, 8 insertions(+), 16 deletions(-)\n\n--\n2.40.1",
    "diff": "diff --git a/include/libcamera/stream.h b/include/libcamera/stream.h\nindex 29235ddf..4e94187d 100644\n--- a/include/libcamera/stream.h\n+++ b/include/libcamera/stream.h\n@@ -69,8 +69,6 @@ enum class StreamRole {\n \tViewfinder,\n };\n\n-using StreamRoles = std::vector<StreamRole>;\n-\n std::ostream &operator<<(std::ostream &out, StreamRole role);\n\n class Stream\ndiff --git a/src/apps/cam/camera_session.cpp b/src/apps/cam/camera_session.cpp\nindex 8fcec630..ecca2a97 100644\n--- a/src/apps/cam/camera_session.cpp\n+++ b/src/apps/cam/camera_session.cpp\n@@ -55,7 +55,7 @@ CameraSession::CameraSession(CameraManager *cm,\n \t\treturn;\n \t}\n\n-\tStreamRoles roles = StreamKeyValueParser::roles(options_[OptStream]);\n+\tauto roles = StreamKeyValueParser::roles(options_[OptStream]);\n\n \tstd::unique_ptr<CameraConfiguration> config =\n \t\tcamera_->generateConfiguration(roles);\ndiff --git a/src/apps/common/stream_options.cpp b/src/apps/common/stream_options.cpp\nindex 19dfe051..663b979a 100644\n--- a/src/apps/common/stream_options.cpp\n+++ b/src/apps/common/stream_options.cpp\n@@ -40,7 +40,7 @@ KeyValueParser::Options StreamKeyValueParser::parse(const char *arguments)\n \treturn options;\n }\n\n-StreamRoles StreamKeyValueParser::roles(const OptionValue &values)\n+std::vector<StreamRole> StreamKeyValueParser::roles(const OptionValue &values)\n {\n \t/* If no configuration values to examine default to viewfinder. */\n \tif (values.empty())\n@@ -48,7 +48,7 @@ StreamRoles StreamKeyValueParser::roles(const OptionValue &values)\n\n \tconst std::vector<OptionValue> &streamParameters = values.toArray();\n\n-\tStreamRoles roles;\n+\tstd::vector<StreamRole> roles;\n \tfor (auto const &value : streamParameters) {\n \t\t/* If a role is invalid default it to viewfinder. */\n \t\troles.push_back(parseRole(value.toKeyValues()).value_or(StreamRole::Viewfinder));\ndiff --git a/src/apps/common/stream_options.h b/src/apps/common/stream_options.h\nindex fe298c84..a5f3bde0 100644\n--- a/src/apps/common/stream_options.h\n+++ b/src/apps/common/stream_options.h\n@@ -20,7 +20,7 @@ public:\n\n \tKeyValueParser::Options parse(const char *arguments) override;\n\n-\tstatic libcamera::StreamRoles roles(const OptionValue &values);\n+\tstatic std::vector<libcamera::StreamRole> roles(const OptionValue &values);\n \tstatic int updateConfiguration(libcamera::CameraConfiguration *config,\n \t\t\t\t       const OptionValue &values);\n\ndiff --git a/src/apps/qcam/main_window.cpp b/src/apps/qcam/main_window.cpp\nindex 680668df..0b123d40 100644\n--- a/src/apps/qcam/main_window.cpp\n+++ b/src/apps/qcam/main_window.cpp\n@@ -362,7 +362,7 @@ void MainWindow::toggleCapture(bool start)\n  */\n int MainWindow::startCapture()\n {\n-\tStreamRoles roles = StreamKeyValueParser::roles(options_[OptStream]);\n+\tauto roles = StreamKeyValueParser::roles(options_[OptStream]);\n \tint ret;\n\n \t/* Verify roles are supported. */\ndiff --git a/src/gstreamer/gstlibcameraprovider.cpp b/src/gstreamer/gstlibcameraprovider.cpp\nindex 6eb0a0eb..332837e4 100644\n--- a/src/gstreamer/gstlibcameraprovider.cpp\n+++ b/src/gstreamer/gstlibcameraprovider.cpp\n@@ -126,13 +126,12 @@ gst_libcamera_device_class_init(GstLibcameraDeviceClass *klass)\n static GstDevice *\n gst_libcamera_device_new(const std::shared_ptr<Camera> &camera)\n {\n+\tstatic const StreamRole roles[] = { StreamRole::VideoRecording };\n \tg_autoptr(GstCaps) caps = gst_caps_new_empty();\n \tconst gchar *name = camera->id().c_str();\n-\tStreamRoles roles;\n\n-\troles.push_back(StreamRole::VideoRecording);\n \tstd::unique_ptr<CameraConfiguration> config = camera->generateConfiguration(roles);\n-\tif (!config || config->size() != roles.size()) {\n+\tif (!config || config->size() != std::size(roles)) {\n \t\tGST_ERROR(\"Failed to generate a default configuration for %s\", name);\n \t\treturn nullptr;\n \t}\ndiff --git a/src/gstreamer/gstlibcamerasrc.cpp b/src/gstreamer/gstlibcamerasrc.cpp\nindex a10cbd4f..46a5400e 100644\n--- a/src/gstreamer/gstlibcamerasrc.cpp\n+++ b/src/gstreamer/gstlibcamerasrc.cpp\n@@ -468,7 +468,7 @@ gst_libcamera_src_task_enter(GstTask *task, [[maybe_unused]] GThread *thread,\n \tGST_DEBUG_OBJECT(self, \"Streaming thread has started\");\n\n \tgint stream_id_num = 0;\n-\tStreamRoles roles;\n+\tstd::vector<StreamRole> roles;\n \tfor (GstPad *srcpad : state->srcpads_) {\n \t\t/* Create stream-id and push stream-start. */\n \t\tg_autofree gchar *stream_id_intermediate = g_strdup_printf(\"%i%i\", state->group_id_, stream_id_num++);\ndiff --git a/src/libcamera/stream.cpp b/src/libcamera/stream.cpp\nindex 67f30815..272222b7 100644\n--- a/src/libcamera/stream.cpp\n+++ b/src/libcamera/stream.cpp\n@@ -436,11 +436,6 @@ std::ostream &operator<<(std::ostream &out, StreamRole role)\n \treturn out;\n }\n\n-/**\n- * \\typedef StreamRoles\n- * \\brief A vector of StreamRole\n- */\n-\n /**\n  * \\class Stream\n  * \\brief Video stream for a camera\n",
    "prefixes": [
        "libcamera-devel",
        "RFC",
        "v2",
        "2/2"
    ]
}