{"id":2937,"url":"https://patchwork.libcamera.org/api/1.1/patches/2937/?format=json","web_url":"https://patchwork.libcamera.org/patch/2937/","project":{"id":1,"url":"https://patchwork.libcamera.org/api/1.1/projects/1/?format=json","name":"libcamera","link_name":"libcamera","list_id":"libcamera_core","list_email":"libcamera-devel@lists.libcamera.org","web_url":"","scm_url":"","webscm_url":""},"msgid":"<20200229164254.23604-21-laurent.pinchart@ideasonboard.com>","date":"2020-02-29T16:42:43","name":"[libcamera-devel,20/31] libcamera: controls: Add support for int8_t controls","commit_ref":null,"pull_url":null,"state":"superseded","archived":false,"hash":"cb4ea9c16c9e51f84a6b9a53a3bbc0fdd1c6cf7a","submitter":{"id":2,"url":"https://patchwork.libcamera.org/api/1.1/people/2/?format=json","name":"Laurent Pinchart","email":"laurent.pinchart@ideasonboard.com"},"delegate":null,"mbox":"https://patchwork.libcamera.org/patch/2937/mbox/","series":[{"id":696,"url":"https://patchwork.libcamera.org/api/1.1/series/696/?format=json","web_url":"https://patchwork.libcamera.org/project/libcamera/list/?series=696","date":"2020-02-29T16:42:23","name":"libcamera: Add support for array controls","version":1,"mbox":"https://patchwork.libcamera.org/series/696/mbox/"}],"comments":"https://patchwork.libcamera.org/api/patches/2937/comments/","check":"pending","checks":"https://patchwork.libcamera.org/api/patches/2937/checks/","tags":{},"headers":{"Return-Path":"<laurent.pinchart@ideasonboard.com>","Received":["from perceval.ideasonboard.com (perceval.ideasonboard.com\n\t[213.167.242.64])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id 4F79A6277E\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tSat, 29 Feb 2020 17:43:29 +0100 (CET)","from pendragon.bb.dnainternet.fi (81-175-216-236.bb.dnainternet.fi\n\t[81.175.216.236])\n\tby perceval.ideasonboard.com (Postfix) with ESMTPSA id D2C1433E;\n\tSat, 29 Feb 2020 17:43:28 +0100 (CET)"],"DKIM-Signature":"v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com;\n\ts=mail; t=1582994609;\n\tbh=/Jg+xdEQxOoTTB/rjIlYQHdW2FhGyFXTnbbRLgKG8RY=;\n\th=From:To:Cc:Subject:Date:In-Reply-To:References:From;\n\tb=ICdFKCFfq2p6dith20r9WEmljfFn0AYboI1YIbXtlDl92zESlHlHyIVSeg9c6jVTx\n\tEgVBxdcEJFzBO+KknJJqFTX+LT6pell1F9LcC+E/t1vXIOeTXxrqV5L+Ip7Gi2zGf+\n\tDs3B1Rw+L6Mt+bqEmOi4yfxGOBQq/Q+nN0m+6t44=","From":"Laurent Pinchart <laurent.pinchart@ideasonboard.com>","To":"libcamera-devel@lists.libcamera.org","Date":"Sat, 29 Feb 2020 18:42:43 +0200","Message-Id":"<20200229164254.23604-21-laurent.pinchart@ideasonboard.com>","X-Mailer":"git-send-email 2.24.1","In-Reply-To":"<20200229164254.23604-1-laurent.pinchart@ideasonboard.com>","References":"<20200229164254.23604-1-laurent.pinchart@ideasonboard.com>","MIME-Version":"1.0","Content-Transfer-Encoding":"8bit","Subject":"[libcamera-devel] [PATCH 20/31] libcamera: controls: Add support\n\tfor int8_t controls","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>","X-List-Received-Date":"Sat, 29 Feb 2020 16:43:35 -0000"},"content":"From: Jacopo Mondi <jacopo@jmondi.org>\n\nAdd support for 8 bit integers to the control framework and to the\ncontrol serializer.\n\nSigned-off-by: Jacopo Mondi <jacopo@jmondi.org>\n---\n include/libcamera/controls.h         |  6 ++++++\n src/libcamera/control_serializer.cpp | 12 ++++++++++++\n src/libcamera/controls.cpp           | 14 +++++++++++---\n 3 files changed, 29 insertions(+), 3 deletions(-)","diff":"diff --git a/include/libcamera/controls.h b/include/libcamera/controls.h\nindex 97a662e3f4a6..9b3aaae55c78 100644\n--- a/include/libcamera/controls.h\n+++ b/include/libcamera/controls.h\n@@ -22,6 +22,7 @@ class ControlValidator;\n enum ControlType {\n \tControlTypeNone,\n \tControlTypeBool,\n+\tControlTypeInteger8,\n \tControlTypeInteger32,\n \tControlTypeInteger64,\n \tControlTypeFloat,\n@@ -43,6 +44,11 @@ struct control_type<bool> {\n \tstatic constexpr ControlType value = ControlTypeBool;\n };\n \n+template<>\n+struct control_type<int8_t> {\n+\tstatic constexpr ControlType value = ControlTypeInteger8;\n+};\n+\n template<>\n struct control_type<int32_t> {\n \tstatic constexpr ControlType value = ControlTypeInteger32;\ndiff --git a/src/libcamera/control_serializer.cpp b/src/libcamera/control_serializer.cpp\nindex 5feaaa965cc5..5537c5466025 100644\n--- a/src/libcamera/control_serializer.cpp\n+++ b/src/libcamera/control_serializer.cpp\n@@ -153,6 +153,12 @@ void ControlSerializer::store(const ControlValue &value,\n \t\tbreak;\n \t}\n \n+\tcase ControlTypeInteger8: {\n+\t\tint8_t data = value.get<int8_t>();\n+\t\tbuffer.write(&data);\n+\t\tbreak;\n+\t}\n+\n \tcase ControlTypeInteger32: {\n \t\tint32_t data = value.get<int32_t>();\n \t\tbuffer.write(&data);\n@@ -331,6 +337,12 @@ ControlValue ControlSerializer::load<ControlValue>(ControlType type,\n \t\treturn ControlValue(value);\n \t}\n \n+\tcase ControlTypeInteger8: {\n+\t\tint8_t value;\n+\t\tb.read(&value);\n+\t\treturn ControlValue(value);\n+\t}\n+\n \tcase ControlTypeInteger32: {\n \t\tint32_t value;\n \t\tb.read(&value);\ndiff --git a/src/libcamera/controls.cpp b/src/libcamera/controls.cpp\nindex 46469dd8b98b..9970d75ea684 100644\n--- a/src/libcamera/controls.cpp\n+++ b/src/libcamera/controls.cpp\n@@ -53,6 +53,7 @@ namespace {\n static constexpr size_t ControlValueSize[] = {\n \t[ControlTypeNone]\t\t= 0,\n \t[ControlTypeBool]\t\t= sizeof(bool),\n+\t[ControlTypeInteger8]\t\t= sizeof(int8_t),\n \t[ControlTypeInteger32]\t\t= sizeof(int32_t),\n \t[ControlTypeInteger64]\t\t= sizeof(int64_t),\n \t[ControlTypeFloat]\t\t= sizeof(float),\n@@ -67,6 +68,8 @@ static constexpr size_t ControlValueSize[] = {\n  * Invalid type, for empty values\n  * \\var ControlTypeBool\n  * The control stores a boolean value\n+ * \\var ControlTypeInteger8\n+ * The control stores an 8-bit integer value\n  * \\var ControlTypeInteger32\n  * The control stores a 32-bit integer value\n  * \\var ControlTypeInteger64\n@@ -202,6 +205,11 @@ std::string ControlValue::toString() const\n \t\t\tstr += *value ? \"True\" : \"False\";\n \t\t\tbreak;\n \t\t}\n+\t\tcase ControlTypeInteger8: {\n+\t\t\tconst int8_t *value = reinterpret_cast<const int8_t *>(data);\n+\t\t\tstr += std::to_string(*value);\n+\t\t\tbreak;\n+\t\t}\n \t\tcase ControlTypeInteger32: {\n \t\t\tconst int32_t *value = reinterpret_cast<const int32_t *>(data);\n \t\t\tstr += std::to_string(*value);\n@@ -386,9 +394,9 @@ void ControlValue::set(ControlType type, bool isArray, const void *data,\n  * instead of Control.\n  *\n  * Controls of any type can be defined through template specialisation, but\n- * libcamera only supports the bool, int32_t, int64_t and float types natively\n- * (this includes types that are equivalent to the supported types, such as int\n- * and long int).\n+ * libcamera only supports the bool, int8_t, int32_t, int64_t and float types\n+ * natively (this includes types that are equivalent to the supported types,\n+ * such as int and long int).\n  *\n  * Controls IDs shall be unique. While nothing prevents multiple instances of\n  * the Control class to be created with the same ID for the same object, doing\n","prefixes":["libcamera-devel","20/31"]}