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{
    "id": 9827,
    "url": "https://patchwork.libcamera.org/api/1.1/patches/9827/?format=api",
    "web_url": "https://patchwork.libcamera.org/patch/9827/",
    "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": "<20200925085127.17214-7-david.plowman@raspberrypi.com>",
    "date": "2020-09-25T08:51:27",
    "name": "[libcamera-devel,v2,6/6] cam: Add command line option to test IspCrop control",
    "commit_ref": null,
    "pull_url": null,
    "state": "superseded",
    "archived": false,
    "hash": "b63b0c79eb1ba68b5b29035e9cce989cc435d254",
    "submitter": {
        "id": 42,
        "url": "https://patchwork.libcamera.org/api/1.1/people/42/?format=api",
        "name": "David Plowman",
        "email": "david.plowman@raspberrypi.com"
    },
    "delegate": null,
    "mbox": "https://patchwork.libcamera.org/patch/9827/mbox/",
    "series": [
        {
            "id": 1326,
            "url": "https://patchwork.libcamera.org/api/1.1/series/1326/?format=api",
            "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=1326",
            "date": "2020-09-25T08:51:21",
            "name": "Digital zoom",
            "version": 2,
            "mbox": "https://patchwork.libcamera.org/series/1326/mbox/"
        }
    ],
    "comments": "https://patchwork.libcamera.org/api/patches/9827/comments/",
    "check": "pending",
    "checks": "https://patchwork.libcamera.org/api/patches/9827/checks/",
    "tags": {},
    "headers": {
        "Return-Path": "<libcamera-devel-bounces@lists.libcamera.org>",
        "X-Original-To": "parsemail@patchwork.libcamera.org",
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        "From": "David Plowman <david.plowman@raspberrypi.com>",
        "To": "libcamera-devel@lists.libcamera.org",
        "Date": "Fri, 25 Sep 2020 09:51:27 +0100",
        "Message-Id": "<20200925085127.17214-7-david.plowman@raspberrypi.com>",
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        "In-Reply-To": "<20200925085127.17214-1-david.plowman@raspberrypi.com>",
        "References": "<20200925085127.17214-1-david.plowman@raspberrypi.com>",
        "MIME-Version": "1.0",
        "Subject": "[libcamera-devel] [PATCH v2 6/6] cam: Add command line option to\n\ttest IspCrop control",
        "X-BeenThere": "libcamera-devel@lists.libcamera.org",
        "X-Mailman-Version": "2.1.29",
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        "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\"",
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        "Errors-To": "libcamera-devel-bounces@lists.libcamera.org",
        "Sender": "\"libcamera-devel\" <libcamera-devel-bounces@lists.libcamera.org>"
    },
    "content": "This allows the user to request digital zoom by adding, for example,\n\"-z 0.25,0.25,0.5,0.5\" which would give a 2x zoom, still centred in\nthe middle of the image.\n\nSigned-off-by: David Plowman <david.plowman@raspberrypi.com>\n---\n src/cam/capture.cpp | 25 +++++++++++++++++++++++--\n src/cam/capture.h   |  2 +-\n src/cam/main.cpp    |  3 +++\n src/cam/main.h      |  1 +\n 4 files changed, 28 insertions(+), 3 deletions(-)",
    "diff": "diff --git a/src/cam/capture.cpp b/src/cam/capture.cpp\nindex 5510c00..3b50c59 100644\n--- a/src/cam/capture.cpp\n+++ b/src/cam/capture.cpp\n@@ -10,6 +10,9 @@\n #include <limits.h>\n #include <sstream>\n \n+#include <libcamera/control_ids.h>\n+#include <libcamera/property_ids.h>\n+\n #include \"capture.h\"\n #include \"main.h\"\n \n@@ -58,7 +61,7 @@ int Capture::run(const OptionsParser::Options &options)\n \n \tFrameBufferAllocator *allocator = new FrameBufferAllocator(camera_);\n \n-\tret = capture(allocator);\n+\tret = capture(allocator, options);\n \n \tif (options.isSet(OptFile)) {\n \t\tdelete writer_;\n@@ -70,7 +73,7 @@ int Capture::run(const OptionsParser::Options &options)\n \treturn ret;\n }\n \n-int Capture::capture(FrameBufferAllocator *allocator)\n+int Capture::capture(FrameBufferAllocator *allocator, const OptionsParser::Options &options)\n {\n \tint ret;\n \n@@ -120,6 +123,24 @@ int Capture::capture(FrameBufferAllocator *allocator)\n \t\trequests.push_back(request);\n \t}\n \n+\t/* Set up digital zoom if it was requested on the command line. */\n+\tif (options.isSet(OptZoom)) {\n+\t\tstd::string zoom = options[OptZoom].toString();\n+\t\tfloat x, y, width, height;\n+\n+\t\tif (sscanf(zoom.c_str(), \"%f,%f,%f,%f\", &x, &y, &width, &height) == 4) {\n+\t\t\tSize sensorArea = camera_->properties().get(properties::SensorOutputSize);\n+\t\t\tRectangle crop(x * sensorArea.width,\n+\t\t\t\t       y * sensorArea.height,\n+\t\t\t\t       width * sensorArea.width,\n+\t\t\t\t       height * sensorArea.height);\n+\n+\t\t\trequests.front()->controls().set(controls::IspCrop, crop);\n+\t\t} else {\n+\t\t\tstd::cout << \"Invalid zoom values - ignoring\" << std::endl;\n+\t\t}\n+\t}\n+\n \tret = camera_->start();\n \tif (ret) {\n \t\tstd::cout << \"Failed to start capture\" << std::endl;\ndiff --git a/src/cam/capture.h b/src/cam/capture.h\nindex 0aebdac..5280616 100644\n--- a/src/cam/capture.h\n+++ b/src/cam/capture.h\n@@ -29,7 +29,7 @@ public:\n \n \tint run(const OptionsParser::Options &options);\n private:\n-\tint capture(libcamera::FrameBufferAllocator *allocator);\n+\tint capture(libcamera::FrameBufferAllocator *allocator, const OptionsParser::Options &options);\n \n \tvoid requestComplete(libcamera::Request *request);\n \ndiff --git a/src/cam/main.cpp b/src/cam/main.cpp\nindex 244720b..8f326d9 100644\n--- a/src/cam/main.cpp\n+++ b/src/cam/main.cpp\n@@ -201,6 +201,9 @@ int CamApp::parseOptions(int argc, char *argv[])\n \tparser.addOption(OptStrictFormats, OptionNone,\n \t\t\t \"Do not allow requested stream format(s) to be adjusted\",\n \t\t\t \"strict-formats\");\n+\tparser.addOption(OptZoom, OptionString,\n+\t\t\t \"Specify digital zoom by supplying IspCrop control as x,y,width,height e.g. 0.25,0.25,0.5,0.5\",\n+\t\t\t \"zoom\", ArgumentRequired, \"zoom\");\n \n \toptions_ = parser.parse(argc, argv);\n \tif (!options_.valid())\ndiff --git a/src/cam/main.h b/src/cam/main.h\nindex ea8dfd3..a1fd899 100644\n--- a/src/cam/main.h\n+++ b/src/cam/main.h\n@@ -17,6 +17,7 @@ enum {\n \tOptListProperties = 'p',\n \tOptMonitor = 'm',\n \tOptStream = 's',\n+\tOptZoom = 'z',\n \tOptListControls = 256,\n \tOptStrictFormats = 257,\n };\n",
    "prefixes": [
        "libcamera-devel",
        "v2",
        "6/6"
    ]
}