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{ "id": 18651, "url": "https://patchwork.libcamera.org/api/patches/18651/?format=api", "web_url": "https://patchwork.libcamera.org/patch/18651/", "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": "<CAM6JzGDQMvPaOJfvUGy286PhM5oUvyxSkWWq8YFvmKoW1T0Rfw@mail.gmail.com>", "date": "2023-05-26T12:34:04", "name": "[libcamera-devel] Add enable_auto_focus option to the GStreamer plugin", "commit_ref": null, "pull_url": null, "state": "changes-requested", "archived": false, "hash": "27cb0f3857d9f71bdbc180aacfc7be2a597fb958", "submitter": { "id": 164, "url": "https://patchwork.libcamera.org/api/people/164/?format=api", "name": "Cedric Nugteren", "email": "cedric@plumerai.com" }, "delegate": null, "mbox": "https://patchwork.libcamera.org/patch/18651/mbox/", "series": [ { "id": 3889, "url": "https://patchwork.libcamera.org/api/series/3889/?format=api", "web_url": "https://patchwork.libcamera.org/project/libcamera/list/?series=3889", "date": "2023-05-26T12:34:04", "name": "[libcamera-devel] Add enable_auto_focus option to the GStreamer plugin", "version": 1, "mbox": "https://patchwork.libcamera.org/series/3889/mbox/" } ], "comments": "https://patchwork.libcamera.org/api/patches/18651/comments/", "check": "pending", "checks": "https://patchwork.libcamera.org/api/patches/18651/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 8F012C31E9\n\tfor <parsemail@patchwork.libcamera.org>;\n\tFri, 26 May 2023 12:36:40 +0000 (UTC)", "from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id A71D5626FA;\n\tFri, 26 May 2023 14:36:39 +0200 (CEST)", "from mail-vs1-xe35.google.com (mail-vs1-xe35.google.com\n\t[IPv6:2607:f8b0:4864:20::e35])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id 27C69626F4\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tFri, 26 May 2023 14:34:16 +0200 (CEST)", "by mail-vs1-xe35.google.com with SMTP id\n\tada2fe7eead31-437de9222a9so187589137.0\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tFri, 26 May 2023 05:34:16 -0700 (PDT)" ], "DKIM-Signature": [ "v=1; 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boundary=\"0000000000006ff24f05fc97f414\"", "X-Mailman-Approved-At": "Fri, 26 May 2023 14:36:38 +0200", "Subject": "[libcamera-devel] [PATCH] Add enable_auto_focus option to the\n\tGStreamer plugin", "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": "Cedric Nugteren via libcamera-devel\n\t<libcamera-devel@lists.libcamera.org>", "Reply-To": "Cedric Nugteren <cedric@plumerai.com>", "Errors-To": "libcamera-devel-bounces@lists.libcamera.org", "Sender": "\"libcamera-devel\" <libcamera-devel-bounces@lists.libcamera.org>" }, "content": "Cameras such as the PiCam 3 support auto-focus, but the GStreamer plugin\nfor libcamera does not enable auto-focus. With this patch auto-focus can\nbe enabled for cameras that support it. By default it is disabled, which\nmeans default behaviour remains unchanged. For cameras that do not\nsupport auto-focus, an error message shows up if it auto-focus is\nenabled.\n\nThis was tested on cameras that do not support auto-focus (e.g. PiCam2)\nand was tested on a camera that does support auto-focus (PiCam3) by\nenabling it, observing auto-focus, and by disabling it or by not setting\nthe option, both resulting in auto-focus being disabled.\n\nSigned-off-by: Cedric Nugteren <web@cedricnugteren.nl>\n---\n src/gstreamer/gstlibcameraprovider.cpp | 13 ++++++++++++\n src/gstreamer/gstlibcamerasrc.cpp | 29 +++++++++++++++++++++++++-\n 2 files changed, 41 insertions(+), 1 deletion(-)\n\nGST_TYPE_ELEMENT,\n@@ -577,6 +579,18 @@ gst_libcamera_src_task_enter(GstTask *task,\n[[maybe_unused]] GThread *thread,\n gst_flow_combiner_add_pad(self->flow_combiner, srcpad);\n }\n\n+ if (self->enable_auto_focus) {\n+ const ControlInfoMap &infoMap = state->cam_->controls();\n+ if (infoMap.find(&controls::AfMode) != infoMap.end()) {\n+ state->initControls_.set(controls::AfMode, controls::AfModeContinuous);\n+ } else {\n+ GST_ELEMENT_ERROR(self, RESOURCE, SETTINGS,\n+ (\"Failed to enable auto focus\"),\n+ (\"AfMode not found in camera controls, \"\n+ \"please retry with 'enable-auto-focus=false'\"));\n+ }\n+ }\n+\n ret = state->cam_->start(&state->initControls_);\n if (ret) {\n GST_ELEMENT_ERROR(self, RESOURCE, SETTINGS,\n@@ -659,6 +673,9 @@ gst_libcamera_src_set_property(GObject *object, guint\nprop_id,\n g_free(self->camera_name);\n self->camera_name = g_value_dup_string(value);\n break;\n+ case PROP_ENABLE_AUTO_FOCUS:\n+ self->enable_auto_focus = g_value_get_boolean(value);\n+ break;\n default:\n G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec);\n break;\n@@ -676,6 +693,9 @@ gst_libcamera_src_get_property(GObject *object, guint\nprop_id, GValue *value,\n case PROP_CAMERA_NAME:\n g_value_set_string(value, self->camera_name);\n break;\n+ case PROP_ENABLE_AUTO_FOCUS:\n+ g_value_set_boolean(value, self->enable_auto_focus);\n+ break;\n default:\n G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec);\n break;\n@@ -844,4 +864,11 @@ gst_libcamera_src_class_init(GstLibcameraSrcClass\n*klass)\n | G_PARAM_READWRITE\n | G_PARAM_STATIC_STRINGS));\n g_object_class_install_property(object_class, PROP_CAMERA_NAME, spec);\n+ GParamSpec *spec2 = g_param_spec_boolean(\"enable-auto-focus\",\n+ \"Enable auto-focus\",\n+ \"Enable auto-focus if set to true, \"\n+ \"disable it if set to false\",\n+ FALSE, G_PARAM_WRITABLE);\n+ g_object_class_install_property(object_class, PROP_ENABLE_AUTO_FOCUS,\nspec2);\n+\n }", "diff": "diff --git a/src/gstreamer/gstlibcameraprovider.cpp\nb/src/gstreamer/gstlibcameraprovider.cpp\nindex 6eb0a0eb..86fa2542 100644\n--- a/src/gstreamer/gstlibcameraprovider.cpp\n+++ b/src/gstreamer/gstlibcameraprovider.cpp\n@@ -31,6 +31,7 @@ GST_DEBUG_CATEGORY_STATIC(provider_debug);\n\n enum {\n PROP_DEVICE_NAME = 1,\n+ PROP_ENABLE_AUTO_FOCUS = 2,\n };\n\n #define GST_TYPE_LIBCAMERA_DEVICE gst_libcamera_device_get_type()\n@@ -40,6 +41,7 @@ G_DECLARE_FINAL_TYPE(GstLibcameraDevice,\ngst_libcamera_device,\n struct _GstLibcameraDevice {\n GstDevice parent;\n gchar *name;\n+ gboolean enable_auto_focus = false;\n };\n\n G_DEFINE_TYPE(GstLibcameraDevice, gst_libcamera_device, GST_TYPE_DEVICE)\n@@ -56,6 +58,7 @@ gst_libcamera_device_create_element(GstDevice *device,\nconst gchar *name)\n g_assert(source);\n\n g_object_set(source, \"camera-name\", GST_LIBCAMERA_DEVICE(device)->name,\nnullptr);\n+ g_object_set(source, \"enable-auto-focus\",\nGST_LIBCAMERA_DEVICE(device)->enable_auto_focus, nullptr);\n\n return source;\n }\n@@ -68,6 +71,7 @@ gst_libcamera_device_reconfigure_element(GstDevice\n*device,\n return FALSE;\n\n g_object_set(element, \"camera-name\", GST_LIBCAMERA_DEVICE(device)->name,\nnullptr);\n+ g_object_set(element, \"enable-auto-focus\",\nGST_LIBCAMERA_DEVICE(device)->enable_auto_focus, nullptr);\n\n return TRUE;\n }\n@@ -82,6 +86,9 @@ gst_libcamera_device_set_property(GObject *object, guint\nprop_id,\n case PROP_DEVICE_NAME:\n device->name = g_value_dup_string(value);\n break;\n+ case PROP_ENABLE_AUTO_FOCUS:\n+ device->enable_auto_focus = g_value_get_boolean(value);\n+ break;\n default:\n G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec);\n break;\n@@ -121,6 +128,12 @@\ngst_libcamera_device_class_init(GstLibcameraDeviceClass *klass)\n (GParamFlags)(G_PARAM_STATIC_STRINGS | G_PARAM_WRITABLE |\n G_PARAM_CONSTRUCT_ONLY));\n g_object_class_install_property(object_class, PROP_DEVICE_NAME, pspec);\n+ GParamSpec *spec2 = g_param_spec_boolean(\"enable-auto-focus\",\n+ \"Enable auto-focus\",\n+ \"Enable auto-focus if set to true, \"\n+ \"disable it if set to false\",\n+ FALSE, G_PARAM_WRITABLE);\n+ g_object_class_install_property(object_class, PROP_ENABLE_AUTO_FOCUS,\nspec2);\n }\n\n static GstDevice *\ndiff --git a/src/gstreamer/gstlibcamerasrc.cpp\nb/src/gstreamer/gstlibcamerasrc.cpp\nindex a10cbd4f..672ea38a 100644\n--- a/src/gstreamer/gstlibcamerasrc.cpp\n+++ b/src/gstreamer/gstlibcamerasrc.cpp\n@@ -146,6 +146,7 @@ struct _GstLibcameraSrc {\n GstTask *task;\n\n gchar *camera_name;\n+ gboolean enable_auto_focus = false;\n\n GstLibcameraSrcState *state;\n GstLibcameraAllocator *allocator;\n@@ -154,7 +155,8 @@ struct _GstLibcameraSrc {\n\n enum {\n PROP_0,\n- PROP_CAMERA_NAME\n+ PROP_CAMERA_NAME,\n+ PROP_ENABLE_AUTO_FOCUS,\n };\n\n G_DEFINE_TYPE_WITH_CODE(GstLibcameraSrc, gst_libcamera_src,\n", "prefixes": [ "libcamera-devel" ] }