Show a patch.

GET /api/patches/18334/?format=api
HTTP 200 OK
Allow: GET, PUT, PATCH, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "id": 18334,
    "url": "https://patchwork.libcamera.org/api/patches/18334/?format=api",
    "web_url": "https://patchwork.libcamera.org/patch/18334/",
    "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": "<mailman.58.1677765273.25031.libcamera-devel@lists.libcamera.org>",
    "date": "2023-03-02T13:54:29",
    "name": "[libcamera-devel,v2,3/3] pipeline: raspberrypi: Add a Unicam timeout override config options",
    "commit_ref": null,
    "pull_url": null,
    "state": "superseded",
    "archived": false,
    "hash": "bcf49b5819e2cc4fc89557140b00188933f1fea2",
    "submitter": {
        "id": 34,
        "url": "https://patchwork.libcamera.org/api/people/34/?format=api",
        "name": "Naushir Patuck",
        "email": "naush@raspberrypi.com"
    },
    "delegate": null,
    "mbox": "https://patchwork.libcamera.org/patch/18334/mbox/",
    "series": [
        {
            "id": 3784,
            "url": "https://patchwork.libcamera.org/api/series/3784/?format=api",
            "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=3784",
            "date": "2023-03-02T13:54:26",
            "name": "Raspberry Pi: Improving camera timeouts",
            "version": 2,
            "mbox": "https://patchwork.libcamera.org/series/3784/mbox/"
        }
    ],
    "comments": "https://patchwork.libcamera.org/api/patches/18334/comments/",
    "check": "pending",
    "checks": "https://patchwork.libcamera.org/api/patches/18334/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 A5BB3C329C\n\tfor <parsemail@patchwork.libcamera.org>;\n\tThu,  2 Mar 2023 13:54:35 +0000 (UTC)",
            "from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id BCD92626EB;\n\tThu,  2 Mar 2023 14:54:34 +0100 (CET)"
        ],
        "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/simple; d=libcamera.org;\n\ts=mail; t=1677765274;\n\tbh=jduccelxlH2i28khcmaLGCPGUXhx5ZPLJ0/L5zT9sus=;\n\th=To:Date:In-Reply-To:References:List-Id:List-Post:From:\n\tList-Subscribe:List-Unsubscribe:List-Archive:Reply-To:List-Help:\n\tSubject:From;\n\tb=fyEhXgJVQi/3dhaKqeNWiy99pyFn8Kd6d35SY2f84z1pxpdanyhLBaOUb82TaF0+i\n\tpEoasqJGNwAwk9PL8r8DsmApKcCj7Xfbfm9PUzbUDLVMjPTHkzCmHtrX/Nrz5ePkwD\n\tpYAsU7+WfGGuXu4ZxrU60XewVb8w/EVFd8S2rFv6+ci+yFOO8TkMHjCsn9z3/IhE46\n\tFLFQIJcJn9VK6nzxgCSoEjGcACD0Ztnk9IGL+nYn22uwL24sjg+pl5pRrQj1w3lAuu\n\tirjtvEDx/5D90RJqSvAFI2jUG//8zgy+9XJ1ZgTwq3gMIKO4lAv1vdnFyew0QVQiwv\n\tNf4u1lSGp9QSw==",
        "To": "libcamera-devel@lists.libcamera.org",
        "Date": "Thu,  2 Mar 2023 13:54:29 +0000",
        "In-Reply-To": "<20230302135429.23821-1-naush@raspberrypi.com>",
        "References": "<20230302135429.23821-1-naush@raspberrypi.com>",
        "MIME-Version": "1.0",
        "Message-ID": "<mailman.58.1677765273.25031.libcamera-devel@lists.libcamera.org>",
        "List-Id": "<libcamera-devel.lists.libcamera.org>",
        "List-Post": "<mailto:libcamera-devel@lists.libcamera.org>",
        "From": "Naushir Patuck via libcamera-devel\n\t<libcamera-devel@lists.libcamera.org>",
        "Precedence": "list",
        "X-Mailman-Version": "2.1.29",
        "X-BeenThere": "libcamera-devel@lists.libcamera.org",
        "List-Subscribe": "<https://lists.libcamera.org/listinfo/libcamera-devel>,\n\t<mailto:libcamera-devel-request@lists.libcamera.org?subject=subscribe>",
        "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/>",
        "Reply-To": "Naushir Patuck <naush@raspberrypi.com>",
        "List-Help": "<mailto:libcamera-devel-request@lists.libcamera.org?subject=help>",
        "Subject": "[libcamera-devel] [PATCH v2 3/3] pipeline: raspberrypi: Add a\n\tUnicam timeout override config options",
        "Content-Type": "message/rfc822",
        "Content-Disposition": "inline",
        "Errors-To": "libcamera-devel-bounces@lists.libcamera.org",
        "Sender": "\"libcamera-devel\" <libcamera-devel-bounces@lists.libcamera.org>"
    },
    "content": "Add a new parameter to the pipeline handler config file named\n\"unicam_timeout_value_ms\" to allow users to override the automiatically\ncomputed Unicam timeout value.\n\nThis value is given in milliseconds, and setting a value of 0 (the\ndefault value) disables the override.\n\nSigned-off-by: Naushir Patuck <naush@raspberrypi.com>\nReviewed-by: David Plowman <david.plowman@raspberrypi.com>\n---\n .../pipeline/raspberrypi/data/example.yaml         | 11 ++++++++++-\n src/libcamera/pipeline/raspberrypi/raspberrypi.cpp | 14 ++++++++++++++\n 2 files changed, 24 insertions(+), 1 deletion(-)",
    "diff": "diff --git a/src/libcamera/pipeline/raspberrypi/data/example.yaml b/src/libcamera/pipeline/raspberrypi/data/example.yaml\nindex ad5f2344384f..5d4ca997b7a0 100644\n--- a/src/libcamera/pipeline/raspberrypi/data/example.yaml\n+++ b/src/libcamera/pipeline/raspberrypi/data/example.yaml\n@@ -32,6 +32,15 @@\n                 # Override any request from the IPA to drop a number of startup\n                 # frames.\n                 #\n-                # \"disable_startup_frame_drops\": false\n+                # \"disable_startup_frame_drops\": false,\n+\n+                # Custom timeout value (in ms) for Unicam to use. This overrides\n+                # the value computed by the pipeline handler based on frame\n+                # durations.\n+                #\n+                # Set this value to 0 to use the pipeline handler computed\n+                # timeout value.\n+                #\n+                # \"unicam_timeout_value_ms\": 0\n         }\n }\ndiff --git a/src/libcamera/pipeline/raspberrypi/raspberrypi.cpp b/src/libcamera/pipeline/raspberrypi/raspberrypi.cpp\nindex 3d04842a2440..6b0880c579eb 100644\n--- a/src/libcamera/pipeline/raspberrypi/raspberrypi.cpp\n+++ b/src/libcamera/pipeline/raspberrypi/raspberrypi.cpp\n@@ -319,6 +319,11 @@ public:\n \t\t * frames.\n \t\t */\n \t\tbool disableStartupFrameDrops;\n+\t\t/*\n+\t\t * Override the Unicam timeout value calculated by the IPA based\n+\t\t * on frame durations.\n+\t\t */\n+\t\tunsigned int unicamTimeoutValue;\n \t};\n \n \tConfig config_;\n@@ -1715,6 +1720,7 @@ int RPiCameraData::loadPipelineConfiguration()\n \t\t.minUnicamBuffers = 2,\n \t\t.minTotalUnicamBuffers = 4,\n \t\t.disableStartupFrameDrops = false,\n+\t\t.unicamTimeoutValue = 0,\n \t};\n \n \tchar const *configFromEnv = utils::secure_getenv(\"LIBCAMERA_RPI_CONFIG_FILE\");\n@@ -1750,6 +1756,14 @@ int RPiCameraData::loadPipelineConfiguration()\n \t\tphConfig[\"min_total_unicam_buffers\"].get<unsigned int>(config_.minTotalUnicamBuffers);\n \tconfig_.disableStartupFrameDrops =\n \t\tphConfig[\"disable_startup_frame_drops\"].get<bool>(config_.disableStartupFrameDrops);\n+\tconfig_.unicamTimeoutValue =\n+\t\tphConfig[\"unicam_timeout_value_ms\"].get<unsigned int>(config_.unicamTimeoutValue);\n+\n+\tif (config_.unicamTimeoutValue) {\n+\t\t/* Disable the IPA signal to control timeout and set the user requested value. */\n+\t\tunicam_[Unicam::Image].dev()->dequeueTimeout.disconnect();\n+\t\tunicam_[Unicam::Image].dev()->setDequeueTimeout(config_.unicamTimeoutValue * 1ms);\n+\t}\n \n \tif (config_.minTotalUnicamBuffers < config_.minUnicamBuffers) {\n \t\tLOG(RPI, Error) << \"Invalid configuration: min_total_unicam_buffers must be >= min_unicam_buffers\";\n",
    "prefixes": [
        "libcamera-devel",
        "v2",
        "3/3"
    ]
}