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{
    "id": 17421,
    "url": "https://patchwork.libcamera.org/api/1.1/patches/17421/?format=api",
    "web_url": "https://patchwork.libcamera.org/patch/17421/",
    "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": "<20220927023642.12341-11-laurent.pinchart@ideasonboard.com>",
    "date": "2022-09-27T02:36:19",
    "name": "[libcamera-devel,v5,10/33] ipa: ipu3: Use the FCQueue",
    "commit_ref": null,
    "pull_url": null,
    "state": "accepted",
    "archived": false,
    "hash": "0434ca6fb230aebc634213a58226fac463c2c8cb",
    "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/17421/mbox/",
    "series": [
        {
            "id": 3506,
            "url": "https://patchwork.libcamera.org/api/1.1/series/3506/?format=api",
            "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=3506",
            "date": "2022-09-27T02:36:09",
            "name": "ipa: Frame context queue, IPU3 & RkISP consolidation, and RkISP1 improvements",
            "version": 5,
            "mbox": "https://patchwork.libcamera.org/series/3506/mbox/"
        }
    ],
    "comments": "https://patchwork.libcamera.org/api/patches/17421/comments/",
    "check": "pending",
    "checks": "https://patchwork.libcamera.org/api/patches/17421/checks/",
    "tags": {},
    "headers": {
        "Return-Path": "<libcamera-devel-bounces@lists.libcamera.org>",
        "X-Original-To": "parsemail@patchwork.libcamera.org",
        "Delivered-To": "parsemail@patchwork.libcamera.org",
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        ],
        "DKIM-Signature": [
            "v=1; a=rsa-sha256; c=relaxed/simple; d=libcamera.org;\n\ts=mail; t=1664246237;\n\tbh=99JUc/pduUEbHGlojTiZe+EJQy/Kb9Fep6BbBUb6jMY=;\n\th=To:Date:In-Reply-To:References:Subject:List-Id:List-Unsubscribe:\n\tList-Archive:List-Post:List-Help:List-Subscribe:From:Reply-To:\n\tFrom;\n\tb=y29gjel8vFvH9rfPdLMCRNMsPwq+99Khpaa3f8t7KZSItBpW+Ikg9iFk1Ml7l9B4p\n\tmczbQG1V7dC2UaTOZ4Z6exlHBSv5r2cLBbPvZK2qZ3+6yChOD1YEACki0OSZkf/Q5+\n\ti7Tor/b2b98YWwkF+KnGkURG6OUZBsYzKWf0wQAiu9KgIuMMjTEFOiYGOd1Pwm/1vI\n\tCiy6cLw/FR+Fo90qrlBKj2GGpUwWhF6Fm+sXYSNK7Af73nesYheYpMj7B4JwdwsgO/\n\tA+8bHwgDZWMX10RtOsKHlBFEpJGcjoVsmefN7xio9CuiEM2HN+RAnSdX/GYu5a5ECx\n\tSoKj1JeswA2OQ==",
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        ],
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        "To": "libcamera-devel@lists.libcamera.org",
        "Date": "Tue, 27 Sep 2022 05:36:19 +0300",
        "Message-Id": "<20220927023642.12341-11-laurent.pinchart@ideasonboard.com>",
        "X-Mailer": "git-send-email 2.35.1",
        "In-Reply-To": "<20220927023642.12341-1-laurent.pinchart@ideasonboard.com>",
        "References": "<20220927023642.12341-1-laurent.pinchart@ideasonboard.com>",
        "MIME-Version": "1.0",
        "Content-Transfer-Encoding": "8bit",
        "Subject": "[libcamera-devel] [PATCH v5 10/33] ipa: ipu3: Use the FCQueue",
        "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": "Replace the manual ring buffer implementation with the FCQueue class\nfrom libipa.\n\nSigned-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>\nReviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>\nReviewed-by: Jacopo Mondi <jacopo@jmondi.org>\n---\nChanges since v4:\n\n- Rename FCQueue::init() to alloc()\n---\n src/ipa/ipu3/ipa_context.cpp | 14 --------------\n src/ipa/ipu3/ipa_context.h   | 10 +---------\n src/ipa/ipu3/ipu3.cpp        | 32 ++++++++++++++++++++++++--------\n 3 files changed, 25 insertions(+), 31 deletions(-)",
    "diff": "diff --git a/src/ipa/ipu3/ipa_context.cpp b/src/ipa/ipu3/ipa_context.cpp\nindex 9cfca0db3a0d..6904ccbbdf8b 100644\n--- a/src/ipa/ipu3/ipa_context.cpp\n+++ b/src/ipa/ipu3/ipa_context.cpp\n@@ -164,20 +164,6 @@ namespace libcamera::ipa::ipu3 {\n  * <linux/intel-ipu3.h> struct ipu3_uapi_gamma_corr_lut for further details.\n  */\n \n-/**\n- * \\brief Default constructor for IPAFrameContext\n- */\n-IPAFrameContext::IPAFrameContext() = default;\n-\n-/**\n- * \\brief Construct a IPAFrameContext instance\n- */\n-IPAFrameContext::IPAFrameContext(const ControlList &reqControls)\n-\t: frameControls(reqControls)\n-{\n-\tsensor = {};\n-}\n-\n /**\n  * \\struct IPAFrameContext\n  * \\brief IPU3-specific FrameContext\ndiff --git a/src/ipa/ipu3/ipa_context.h b/src/ipa/ipu3/ipa_context.h\nindex e8fc42769075..bfc0196e098a 100644\n--- a/src/ipa/ipu3/ipa_context.h\n+++ b/src/ipa/ipu3/ipa_context.h\n@@ -8,8 +8,6 @@\n \n #pragma once\n \n-#include <array>\n-\n #include <linux/intel-ipu3.h>\n \n #include <libcamera/base/utils.h>\n@@ -23,9 +21,6 @@ namespace libcamera {\n \n namespace ipa::ipu3 {\n \n-/* Maximum number of frame contexts to be held */\n-static constexpr uint32_t kMaxFrameContexts = 16;\n-\n struct IPASessionConfiguration {\n \tstruct {\n \t\tipu3_uapi_grid_config bdsGrid;\n@@ -79,9 +74,6 @@ struct IPAActiveState {\n };\n \n struct IPAFrameContext : public FrameContext {\n-\tIPAFrameContext();\n-\tIPAFrameContext(const ControlList &reqControls);\n-\n \tstruct {\n \t\tuint32_t exposure;\n \t\tdouble gain;\n@@ -94,7 +86,7 @@ struct IPAContext {\n \tIPASessionConfiguration configuration;\n \tIPAActiveState activeState;\n \n-\tstd::array<IPAFrameContext, kMaxFrameContexts> frameContexts;\n+\tFCQueue<IPAFrameContext> frameContexts;\n };\n \n } /* namespace ipa::ipu3 */\ndiff --git a/src/ipa/ipu3/ipu3.cpp b/src/ipa/ipu3/ipu3.cpp\nindex b1b23fd8f927..96dc2af2cb73 100644\n--- a/src/ipa/ipu3/ipu3.cpp\n+++ b/src/ipa/ipu3/ipu3.cpp\n@@ -40,6 +40,8 @@\n #include \"algorithms/tone_mapping.h\"\n #include \"libipa/camera_sensor_helper.h\"\n \n+#include \"ipa_context.h\"\n+\n /* Minimum grid width, expressed as a number of cells */\n static constexpr uint32_t kMinGridWidth = 16;\n /* Maximum grid width, expressed as a number of cells */\n@@ -53,6 +55,9 @@ static constexpr uint32_t kMinCellSizeLog2 = 3;\n /* log2 of the maximum grid cell width and height, in pixels */\n static constexpr uint32_t kMaxCellSizeLog2 = 6;\n \n+/* Maximum number of frame contexts to be held */\n+static constexpr uint32_t kMaxFrameContexts = 16;\n+\n namespace libcamera {\n \n LOG_DEFINE_CATEGORY(IPAIPU3)\n@@ -135,6 +140,8 @@ namespace ipa::ipu3 {\n class IPAIPU3 : public IPAIPU3Interface, public Module\n {\n public:\n+\tIPAIPU3();\n+\n \tint init(const IPASettings &settings,\n \t\t const IPACameraSensorInfo &sensorInfo,\n \t\t const ControlInfoMap &sensorControls,\n@@ -183,6 +190,11 @@ private:\n \tstruct IPAContext context_;\n };\n \n+IPAIPU3::IPAIPU3()\n+\t: context_({ {}, {}, { kMaxFrameContexts } })\n+{\n+}\n+\n std::string IPAIPU3::logPrefix() const\n {\n \treturn \"ipu3\";\n@@ -205,6 +217,11 @@ void IPAIPU3::updateSessionConfiguration(const ControlInfoMap &sensorControls)\n \tint32_t minGain = v4l2Gain.min().get<int32_t>();\n \tint32_t maxGain = v4l2Gain.max().get<int32_t>();\n \n+\t/* Clear the IPA context before the streaming session. */\n+\tcontext_.configuration = {};\n+\tcontext_.activeState = {};\n+\tcontext_.frameContexts.clear();\n+\n \t/*\n \t * When the AGC computes the new exposure values for a frame, it needs\n \t * to know the limits for shutter speed and analogue gain.\n@@ -382,6 +399,7 @@ int IPAIPU3::start()\n  */\n void IPAIPU3::stop()\n {\n+\tcontext_.frameContexts.clear();\n }\n \n /**\n@@ -488,11 +506,6 @@ int IPAIPU3::configure(const IPAConfigInfo &configInfo,\n \n \tcalculateBdsGrid(configInfo.bdsOutputSize);\n \n-\t/* Clean IPAActiveState at each reconfiguration. */\n-\tcontext_.activeState = {};\n-\tIPAFrameContext initFrameContext;\n-\tcontext_.frameContexts.fill(initFrameContext);\n-\n \tif (!validateSensorControls()) {\n \t\tLOG(IPAIPU3, Error) << \"Sensor control validation failed.\";\n \t\treturn -EINVAL;\n@@ -572,7 +585,7 @@ void IPAIPU3::fillParamsBuffer(const uint32_t frame, const uint32_t bufferId)\n \t */\n \tparams->use = {};\n \n-\tIPAFrameContext &frameContext = context_.frameContexts[frame % kMaxFrameContexts];\n+\tIPAFrameContext &frameContext = context_.frameContexts.get(frame);\n \n \tfor (auto const &algo : algorithms())\n \t\talgo->prepare(context_, frame, frameContext, params);\n@@ -605,7 +618,7 @@ void IPAIPU3::processStatsBuffer(const uint32_t frame,\n \tconst ipu3_uapi_stats_3a *stats =\n \t\treinterpret_cast<ipu3_uapi_stats_3a *>(mem.data());\n \n-\tIPAFrameContext &frameContext = context_.frameContexts[frame % kMaxFrameContexts];\n+\tIPAFrameContext &frameContext = context_.frameContexts.get(frame);\n \n \tframeContext.sensor.exposure = sensorControls.get(V4L2_CID_EXPOSURE).get<int32_t>();\n \tframeContext.sensor.gain = camHelper_->gain(sensorControls.get(V4L2_CID_ANALOGUE_GAIN).get<int32_t>());\n@@ -651,7 +664,10 @@ void IPAIPU3::processStatsBuffer(const uint32_t frame,\n void IPAIPU3::queueRequest(const uint32_t frame, const ControlList &controls)\n {\n \t/* \\todo Start processing for 'frame' based on 'controls'. */\n-\tcontext_.frameContexts[frame % kMaxFrameContexts] = { controls };\n+\tIPAFrameContext &frameContext = context_.frameContexts.alloc(frame);\n+\n+\t/* \\todo Implement queueRequest to each algorithm. */\n+\tframeContext.frameControls = controls;\n }\n \n /**\n",
    "prefixes": [
        "libcamera-devel",
        "v5",
        "10/33"
    ]
}