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{
    "id": 17191,
    "url": "https://patchwork.libcamera.org/api/1.1/patches/17191/?format=api",
    "web_url": "https://patchwork.libcamera.org/patch/17191/",
    "project": {
        "id": 1,
        "url": "https://patchwork.libcamera.org/api/1.1/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": "<20220823174314.14881-6-laurent.pinchart@ideasonboard.com>",
    "date": "2022-08-23T17:43:13",
    "name": "[libcamera-devel,5/6] libcamera: pipeline: rkisp1: Implement color space support",
    "commit_ref": null,
    "pull_url": null,
    "state": "accepted",
    "archived": false,
    "hash": "b62aef9876660a4d3d825b49af94f1a566425aef",
    "submitter": {
        "id": 2,
        "url": "https://patchwork.libcamera.org/api/1.1/people/2/?format=api",
        "name": "Laurent Pinchart",
        "email": "laurent.pinchart@ideasonboard.com"
    },
    "delegate": null,
    "mbox": "https://patchwork.libcamera.org/patch/17191/mbox/",
    "series": [
        {
            "id": 3432,
            "url": "https://patchwork.libcamera.org/api/1.1/series/3432/?format=api",
            "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=3432",
            "date": "2022-08-23T17:43:08",
            "name": "libcamera: Add support for color spaces to rkisp1 pipeline handler",
            "version": 1,
            "mbox": "https://patchwork.libcamera.org/series/3432/mbox/"
        }
    ],
    "comments": "https://patchwork.libcamera.org/api/patches/17191/comments/",
    "check": "pending",
    "checks": "https://patchwork.libcamera.org/api/patches/17191/checks/",
    "tags": {},
    "headers": {
        "Return-Path": "<libcamera-devel-bounces@lists.libcamera.org>",
        "X-Original-To": "parsemail@patchwork.libcamera.org",
        "Delivered-To": "parsemail@patchwork.libcamera.org",
        "Received": [
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        "To": "libcamera-devel@lists.libcamera.org",
        "Date": "Tue, 23 Aug 2022 20:43:13 +0300",
        "Message-Id": "<20220823174314.14881-6-laurent.pinchart@ideasonboard.com>",
        "X-Mailer": "git-send-email 2.35.1",
        "In-Reply-To": "<20220823174314.14881-1-laurent.pinchart@ideasonboard.com>",
        "References": "<20220823174314.14881-1-laurent.pinchart@ideasonboard.com>",
        "MIME-Version": "1.0",
        "Content-Transfer-Encoding": "8bit",
        "Subject": "[libcamera-devel] [PATCH 5/6] libcamera: pipeline: rkisp1:\n\tImplement color space support",
        "X-BeenThere": "libcamera-devel@lists.libcamera.org",
        "X-Mailman-Version": "2.1.29",
        "Precedence": "list",
        "List-Id": "<libcamera-devel.lists.libcamera.org>",
        "List-Unsubscribe": "<https://lists.libcamera.org/options/libcamera-devel>,\n\t<mailto:libcamera-devel-request@lists.libcamera.org?subject=unsubscribe>",
        "List-Archive": "<https://lists.libcamera.org/pipermail/libcamera-devel/>",
        "List-Post": "<mailto:libcamera-devel@lists.libcamera.org>",
        "List-Help": "<mailto:libcamera-devel-request@lists.libcamera.org?subject=help>",
        "List-Subscribe": "<https://lists.libcamera.org/listinfo/libcamera-devel>,\n\t<mailto:libcamera-devel-request@lists.libcamera.org?subject=subscribe>",
        "From": "Laurent Pinchart via libcamera-devel\n\t<libcamera-devel@lists.libcamera.org>",
        "Reply-To": "Laurent Pinchart <laurent.pinchart@ideasonboard.com>",
        "Errors-To": "libcamera-devel-bounces@lists.libcamera.org",
        "Sender": "\"libcamera-devel\" <libcamera-devel-bounces@lists.libcamera.org>"
    },
    "content": "Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>\n---\n src/libcamera/pipeline/rkisp1/rkisp1.cpp | 38 ++++++++++++++++++++----\n 1 file changed, 33 insertions(+), 5 deletions(-)",
    "diff": "diff --git a/src/libcamera/pipeline/rkisp1/rkisp1.cpp b/src/libcamera/pipeline/rkisp1/rkisp1.cpp\nindex 03bbe6b467ae..25fbf9f1a0a9 100644\n--- a/src/libcamera/pipeline/rkisp1/rkisp1.cpp\n+++ b/src/libcamera/pipeline/rkisp1/rkisp1.cpp\n@@ -18,6 +18,7 @@\n #include <libcamera/base/utils.h>\n \n #include <libcamera/camera.h>\n+#include <libcamera/color_space.h>\n #include <libcamera/control_ids.h>\n #include <libcamera/formats.h>\n #include <libcamera/framebuffer.h>\n@@ -416,11 +417,13 @@ CameraConfiguration::Status RkISP1CameraConfiguration::validate()\n {\n \tconst CameraSensor *sensor = data_->sensor_.get();\n \tunsigned int pathCount = data_->selfPath_ ? 2 : 1;\n-\tStatus status = Valid;\n+\tStatus status;\n \n \tif (config_.empty())\n \t\treturn Invalid;\n \n+\tstatus = validateColorSpaces(ColorSpaceFlag::StreamsShareColorSpace);\n+\n \tif (transform != Transform::Identity) {\n \t\ttransform = Transform::Identity;\n \t\tstatus = Adjusted;\n@@ -547,21 +550,44 @@ CameraConfiguration *PipelineHandlerRkISP1::generateConfiguration(Camera *camera\n \tif (roles.empty())\n \t\treturn config;\n \n+\t/*\n+\t * As the ISP can't output different color spaces for the main and self\n+\t * path, pick a sensible default color space based on the role of the\n+\t * first stream and use it for all streams.\n+\t */\n+\tstd::optional<ColorSpace> colorSpace;\n+\n \tbool mainPathAvailable = true;\n \tbool selfPathAvailable = data->selfPath_;\n+\n \tfor (const StreamRole role : roles) {\n \t\tbool useMainPath;\n \n \t\tswitch (role) {\n-\t\tcase StreamRole::StillCapture: {\n+\t\tcase StreamRole::StillCapture:\n \t\t\tuseMainPath = mainPathAvailable;\n+\t\t\t/* JPEG encoders typically expect sYCC. */\n+\t\t\tif (!colorSpace)\n+\t\t\t\tcolorSpace = ColorSpace::Sycc;\n \t\t\tbreak;\n-\t\t}\n+\n \t\tcase StreamRole::Viewfinder:\n-\t\tcase StreamRole::VideoRecording: {\n \t\t\tuseMainPath = !selfPathAvailable;\n+\t\t\t/*\n+\t\t\t * sYCC is the YCbCr encoding of sRGB, which is commonly\n+\t\t\t * used by displays.\n+\t\t\t */\n+\t\t\tif (!colorSpace)\n+\t\t\t\tcolorSpace = ColorSpace::Sycc;\n \t\t\tbreak;\n-\t\t}\n+\n+\t\tcase StreamRole::VideoRecording:\n+\t\t\tuseMainPath = !selfPathAvailable;\n+\t\t\t/* Rec. 709 is a good default for HD video recording. */\n+\t\t\tif (!colorSpace)\n+\t\t\t\tcolorSpace = ColorSpace::Rec709;\n+\t\t\tbreak;\n+\n \t\tdefault:\n \t\t\tLOG(RkISP1, Warning)\n \t\t\t\t<< \"Requested stream role not supported: \" << role;\n@@ -580,6 +606,7 @@ CameraConfiguration *PipelineHandlerRkISP1::generateConfiguration(Camera *camera\n \t\t\tselfPathAvailable = false;\n \t\t}\n \n+\t\tcfg.colorSpace = colorSpace;\n \t\tconfig->addConfiguration(cfg);\n \t}\n \n@@ -642,6 +669,7 @@ int PipelineHandlerRkISP1::configure(Camera *camera, CameraConfiguration *c)\n \tif (ret < 0)\n \t\treturn ret;\n \n+\tformat.colorSpace = config->at(0).colorSpace;\n \tret = isp_->setFormat(2, &format);\n \tif (ret < 0)\n \t\treturn ret;\n",
    "prefixes": [
        "libcamera-devel",
        "5/6"
    ]
}