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{
    "id": 8699,
    "url": "https://patchwork.libcamera.org/api/patches/8699/?format=api",
    "web_url": "https://patchwork.libcamera.org/patch/8699/",
    "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": "<20200709084128.5316-9-jacopo@jmondi.org>",
    "date": "2020-07-09T08:41:16",
    "name": "[libcamera-devel,v2,08/20] libcamera: ipu3: Validate the stream combination",
    "commit_ref": null,
    "pull_url": null,
    "state": "accepted",
    "archived": false,
    "hash": "fcf9998cacee731a3a18a279dc45e919fd22a595",
    "submitter": {
        "id": 3,
        "url": "https://patchwork.libcamera.org/api/people/3/?format=api",
        "name": "Jacopo Mondi",
        "email": "jacopo@jmondi.org"
    },
    "delegate": null,
    "mbox": "https://patchwork.libcamera.org/patch/8699/mbox/",
    "series": [
        {
            "id": 1091,
            "url": "https://patchwork.libcamera.org/api/series/1091/?format=api",
            "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=1091",
            "date": "2020-07-09T08:41:08",
            "name": "libcamera: ipu3: Rework configuration",
            "version": 2,
            "mbox": "https://patchwork.libcamera.org/series/1091/mbox/"
        }
    ],
    "comments": "https://patchwork.libcamera.org/api/patches/8699/comments/",
    "check": "pending",
    "checks": "https://patchwork.libcamera.org/api/patches/8699/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": [
            "from lancelot.ideasonboard.com (lancelot.ideasonboard.com\n\t[92.243.16.209])\n\tby patchwork.libcamera.org (Postfix) with ESMTPS id AC74CBD790\n\tfor <parsemail@patchwork.libcamera.org>;\n\tThu,  9 Jul 2020 08:38:14 +0000 (UTC)",
            "from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 854E9611A7;\n\tThu,  9 Jul 2020 10:38:14 +0200 (CEST)",
            "from relay11.mail.gandi.net (relay11.mail.gandi.net\n\t[217.70.178.231])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id F202661189\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tThu,  9 Jul 2020 10:38:11 +0200 (CEST)",
            "from uno.lan (2-224-242-101.ip172.fastwebnet.it [2.224.242.101])\n\t(Authenticated sender: jacopo@jmondi.org)\n\tby relay11.mail.gandi.net (Postfix) with ESMTPSA id 31A36100015;\n\tThu,  9 Jul 2020 08:38:10 +0000 (UTC)"
        ],
        "From": "Jacopo Mondi <jacopo@jmondi.org>",
        "To": "libcamera-devel@lists.libcamera.org",
        "Date": "Thu,  9 Jul 2020 10:41:16 +0200",
        "Message-Id": "<20200709084128.5316-9-jacopo@jmondi.org>",
        "X-Mailer": "git-send-email 2.27.0",
        "In-Reply-To": "<20200709084128.5316-1-jacopo@jmondi.org>",
        "References": "<20200709084128.5316-1-jacopo@jmondi.org>",
        "MIME-Version": "1.0",
        "Subject": "[libcamera-devel] [PATCH v2 08/20] libcamera: ipu3: Validate the\n\tstream combination",
        "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>",
        "Content-Type": "text/plain; charset=\"us-ascii\"",
        "Content-Transfer-Encoding": "7bit",
        "Errors-To": "libcamera-devel-bounces@lists.libcamera.org",
        "Sender": "\"libcamera-devel\" <libcamera-devel-bounces@lists.libcamera.org>"
    },
    "content": "The IPU3 pipeline handler supports 2 processed RGB/YUV streams\nand one RAW stream. Validate that the requested stream combination is\nsupported in the pipeline handler validate() implementation and return\nan error in case it's not.\n\nSigned-off-by: Jacopo Mondi <jacopo@jmondi.org>\n---\n src/libcamera/pipeline/ipu3/ipu3.cpp | 26 ++++++++++++++++++++++----\n 1 file changed, 22 insertions(+), 4 deletions(-)",
    "diff": "diff --git a/src/libcamera/pipeline/ipu3/ipu3.cpp b/src/libcamera/pipeline/ipu3/ipu3.cpp\nindex 05e10ebb1a7d..9128e42d42ed 100644\n--- a/src/libcamera/pipeline/ipu3/ipu3.cpp\n+++ b/src/libcamera/pipeline/ipu3/ipu3.cpp\n@@ -240,19 +240,37 @@ CameraConfiguration::Status IPU3CameraConfiguration::validate()\n \t}\n \n \t/*\n-\t * Select the sensor format by collecting the maximum width and height\n-\t * and picking the closest larger match, as the IPU3 can downscale\n-\t * only. If no resolution is requested for any stream, or if no sensor\n-\t * resolution is large enough, pick the largest one.\n+\t * Validate the requested stream configuration and select the sensor\n+\t * format by collecting the maximum width and height and picking the\n+\t * closest larger match, as the IPU3 can downscale only. If no\n+\t * resolution is requested for any stream, or if no sensor resolution is\n+\t * large enough, pick the largest one.\n \t */\n+\tunsigned int rawCount = 0;\n+\tunsigned int outCount = 0;\n \tSize size;\n \n \tfor (const StreamConfiguration &cfg : config_) {\n+\t\tconst PixelFormatInfo &info =\n+\t\t\tPixelFormatInfo::info(cfg.pixelFormat);\n+\n+\t\tif (info.colourEncoding == PixelFormatInfo::ColourEncodingRAW)\n+\t\t\trawCount++;\n+\t\telse\n+\t\t\toutCount++;\n+\n \t\tif (cfg.size.width > size.width)\n \t\t\tsize.width = cfg.size.width;\n \t\tif (cfg.size.height > size.height)\n \t\t\tsize.height = cfg.size.height;\n \t}\n+\tif (rawCount > 1 || outCount > 2) {\n+\t\tLOG(IPU3, Error)\n+\t\t\t<< \"Camera configuration not supported: \"\n+\t\t\t<< \"the platform supports up to one raw stream and \"\n+\t\t\t<< \"two processed ones.\";\n+\t\treturn Invalid;\n+\t}\n \n \t/* Generate raw configuration from CIO2. */\n \tcio2Configuration_ = data_->cio2_.generateConfiguration(size);\n",
    "prefixes": [
        "libcamera-devel",
        "v2",
        "08/20"
    ]
}