Show a patch.

GET /api/1.1/patches/22695/?format=api
HTTP 200 OK
Allow: GET, PUT, PATCH, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "id": 22695,
    "url": "https://patchwork.libcamera.org/api/1.1/patches/22695/?format=api",
    "web_url": "https://patchwork.libcamera.org/patch/22695/",
    "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": "<20250130173254.112895-6-mzamazal@redhat.com>",
    "date": "2025-01-30T17:32:52",
    "name": "[v4,5/6] ipa: simple: Report contrast in metadata",
    "commit_ref": null,
    "pull_url": null,
    "state": "accepted",
    "archived": false,
    "hash": "8749997e1fc8651538063e007c09e6ec5de8290a",
    "submitter": {
        "id": 177,
        "url": "https://patchwork.libcamera.org/api/1.1/people/177/?format=api",
        "name": "Milan Zamazal",
        "email": "mzamazal@redhat.com"
    },
    "delegate": null,
    "mbox": "https://patchwork.libcamera.org/patch/22695/mbox/",
    "series": [
        {
            "id": 4979,
            "url": "https://patchwork.libcamera.org/api/1.1/series/4979/?format=api",
            "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=4979",
            "date": "2025-01-30T17:32:47",
            "name": "ipa: simple: Introduce metadata reporting",
            "version": 4,
            "mbox": "https://patchwork.libcamera.org/series/4979/mbox/"
        }
    ],
    "comments": "https://patchwork.libcamera.org/api/patches/22695/comments/",
    "check": "pending",
    "checks": "https://patchwork.libcamera.org/api/patches/22695/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 EC146C324C\n\tfor <parsemail@patchwork.libcamera.org>;\n\tThu, 30 Jan 2025 17:33:21 +0000 (UTC)",
            "from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 92D0268574;\n\tThu, 30 Jan 2025 18:33:21 +0100 (CET)",
            "from us-smtp-delivery-124.mimecast.com\n\t(us-smtp-delivery-124.mimecast.com [170.10.133.124])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id DA2F56856B\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tThu, 30 Jan 2025 18:33:18 +0100 (CET)",
            "from mx-prod-mc-02.mail-002.prod.us-west-2.aws.redhat.com\n\t(ec2-54-186-198-63.us-west-2.compute.amazonaws.com [54.186.198.63])\n\tby relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3,\n\tcipher=TLS_AES_256_GCM_SHA384) id us-mta-48-q8NCYwhZO3uijFRx0FzGGg-1;\n\tThu, 30 Jan 2025 12:33:14 -0500",
            "from mx-prod-int-02.mail-002.prod.us-west-2.aws.redhat.com\n\t(mx-prod-int-02.mail-002.prod.us-west-2.aws.redhat.com\n\t[10.30.177.15])\n\t(using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)\n\tkey-exchange X25519 server-signature RSA-PSS (2048 bits)\n\tserver-digest SHA256) (No client certificate requested)\n\tby mx-prod-mc-02.mail-002.prod.us-west-2.aws.redhat.com (Postfix)\n\twith ESMTPS id 0240119560BA; Thu, 30 Jan 2025 17:33:13 +0000 (UTC)",
            "from mzamazal-thinkpadp1gen3.tpbc.com (unknown [10.45.224.122])\n\tby mx-prod-int-02.mail-002.prod.us-west-2.aws.redhat.com (Postfix)\n\twith ESMTP id 22CE11956094; Thu, 30 Jan 2025 17:33:10 +0000 (UTC)"
        ],
        "Authentication-Results": "lancelot.ideasonboard.com; dkim=pass (1024-bit key;\n\tunprotected) header.d=redhat.com header.i=@redhat.com\n\theader.b=\"EtYtGTHt\"; dkim-atps=neutral",
        "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com;\n\ts=mimecast20190719; t=1738258397;\n\th=from:from:reply-to:subject:subject:date:date:message-id:message-id:\n\tto:to:cc:cc:mime-version:mime-version:content-type:content-type:\n\tcontent-transfer-encoding:content-transfer-encoding:\n\tin-reply-to:in-reply-to:references:references;\n\tbh=TJHT5fRyj/79eLk8f6RKIl+xdWx6KHugvTFF9EnoIgo=;\n\tb=EtYtGTHtp2ZqX5CZjflb6dlAHiLiC4dgBI2TC4oypHuV6Kj10D4XknbWGAFTtsrJDBfq/2\n\tiEvqHxmCFBLTRzQTrg0dLpXMT/6JyUXMd2Yl5BmmiaQUnlUTLWxlpleDTpkQGjGKZw5TwG\n\tjcxWkRgV5ShOZOiD7ZeKZzexY7WgUps=",
        "X-MC-Unique": "q8NCYwhZO3uijFRx0FzGGg-1",
        "X-Mimecast-MFC-AGG-ID": "q8NCYwhZO3uijFRx0FzGGg",
        "From": "Milan Zamazal <mzamazal@redhat.com>",
        "To": "libcamera-devel@lists.libcamera.org",
        "Cc": "Milan Zamazal <mzamazal@redhat.com>, Laurent Pinchart\n\t<laurent.pinchart@ideasonboard.com>, Kieran Bingham\n\t<kieran.bingham@ideasonboard.com>, =?utf-8?q?Barnab=C3=A1s_P=C5=91cze?=\n\t<pobrn@protonmail.com>",
        "Subject": "[PATCH v4 5/6] ipa: simple: Report contrast in metadata",
        "Date": "Thu, 30 Jan 2025 18:32:52 +0100",
        "Message-ID": "<20250130173254.112895-6-mzamazal@redhat.com>",
        "In-Reply-To": "<20250130173254.112895-1-mzamazal@redhat.com>",
        "References": "<20250130173254.112895-1-mzamazal@redhat.com>",
        "MIME-Version": "1.0",
        "X-Scanned-By": "MIMEDefang 3.0 on 10.30.177.15",
        "X-Mimecast-Spam-Score": "0",
        "X-Mimecast-MFC-PROC-ID": "7Bfo1zMldiLiQ-wo1ZciTIt-vKCqhU5zqgeEbZG2WE8_1738258393",
        "X-Mimecast-Originator": "redhat.com",
        "Content-Transfer-Encoding": "8bit",
        "content-type": "text/plain; charset=\"US-ASCII\"; x-default=true",
        "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>",
        "Errors-To": "libcamera-devel-bounces@lists.libcamera.org",
        "Sender": "\"libcamera-devel\" <libcamera-devel-bounces@lists.libcamera.org>"
    },
    "content": "Provide the requested contrast value, if any, in the metadata to add to\nthe completed requests.\n\nSigned-off-by: Milan Zamazal <mzamazal@redhat.com>\n---\n src/ipa/simple/algorithms/lut.cpp | 17 +++++++++++++++--\n src/ipa/simple/algorithms/lut.h   |  5 +++++\n src/ipa/simple/ipa_context.h      |  1 +\n 3 files changed, 21 insertions(+), 2 deletions(-)",
    "diff": "diff --git a/src/ipa/simple/algorithms/lut.cpp b/src/ipa/simple/algorithms/lut.cpp\nindex 0ba2391f..a6a77b7c 100644\n--- a/src/ipa/simple/algorithms/lut.cpp\n+++ b/src/ipa/simple/algorithms/lut.cpp\n@@ -1,6 +1,6 @@\n /* SPDX-License-Identifier: LGPL-2.1-or-later */\n /*\n- * Copyright (C) 2024, Red Hat Inc.\n+ * Copyright (C) 2024-2025 Red Hat Inc.\n  *\n  * Color lookup tables construction\n  */\n@@ -82,9 +82,11 @@ void Lut::updateGammaTable(IPAContext &context)\n \n void Lut::prepare(IPAContext &context,\n \t\t  [[maybe_unused]] const uint32_t frame,\n-\t\t  [[maybe_unused]] IPAFrameContext &frameContext,\n+\t\t  IPAFrameContext &frameContext,\n \t\t  [[maybe_unused]] DebayerParams *params)\n {\n+\tframeContext.contrast = context.activeState.knobs.contrast;\n+\n \t/*\n \t * Update the gamma table if needed. This means if black level changes\n \t * and since the black level gets updated only if a lower value is\n@@ -116,6 +118,17 @@ void Lut::prepare(IPAContext &context,\n \t}\n }\n \n+void Lut::process([[maybe_unused]] IPAContext &context,\n+\t\t  [[maybe_unused]] const uint32_t frame,\n+\t\t  [[maybe_unused]] IPAFrameContext &frameContext,\n+\t\t  [[maybe_unused]] const SwIspStats *stats,\n+\t\t  ControlList &metadata)\n+{\n+\tconst auto &contrast = frameContext.contrast;\n+\tif (contrast)\n+\t\tmetadata.set(controls::Contrast, contrast.value());\n+}\n+\n REGISTER_IPA_ALGORITHM(Lut, \"Lut\")\n \n } /* namespace ipa::soft::algorithms */\ndiff --git a/src/ipa/simple/algorithms/lut.h b/src/ipa/simple/algorithms/lut.h\nindex 889f864b..ab4e1094 100644\n--- a/src/ipa/simple/algorithms/lut.h\n+++ b/src/ipa/simple/algorithms/lut.h\n@@ -30,6 +30,11 @@ public:\n \t\t     const uint32_t frame,\n \t\t     IPAFrameContext &frameContext,\n \t\t     DebayerParams *params) override;\n+\tvoid process(IPAContext &context,\n+\t\t     const uint32_t frame,\n+\t\t     IPAFrameContext &frameContext,\n+\t\t     const SwIspStats *stats,\n+\t\t     ControlList &metadata) override;\n \n private:\n \tvoid updateGammaTable(IPAContext &context);\ndiff --git a/src/ipa/simple/ipa_context.h b/src/ipa/simple/ipa_context.h\nindex 99cb6284..07fd641a 100644\n--- a/src/ipa/simple/ipa_context.h\n+++ b/src/ipa/simple/ipa_context.h\n@@ -62,6 +62,7 @@ struct IPAFrameContext : public FrameContext {\n \t\tdouble red;\n \t\tdouble blue;\n \t} gains;\n+\tstd::optional<double> contrast;\n };\n \n struct IPAContext {\n",
    "prefixes": [
        "v4",
        "5/6"
    ]
}