{"id":320,"url":"https://patchwork.libcamera.org/api/1.1/patches/320/?format=json","web_url":"https://patchwork.libcamera.org/patch/320/","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":"<20190121230640.8783-5-niklas.soderlund@ragnatech.se>","date":"2019-01-21T23:06:40","name":"[libcamera-devel,RFC,4/4] libcamera: camera: integrate streams and configuration","commit_ref":null,"pull_url":null,"state":"rejected","archived":false,"hash":"a53be8601703940663ebd727d000303997e6285f","submitter":{"id":5,"url":"https://patchwork.libcamera.org/api/1.1/people/5/?format=json","name":"Niklas Söderlund","email":"niklas.soderlund@ragnatech.se"},"delegate":null,"mbox":"https://patchwork.libcamera.org/patch/320/mbox/","series":[{"id":109,"url":"https://patchwork.libcamera.org/api/1.1/series/109/?format=json","web_url":"https://patchwork.libcamera.org/project/libcamera/list/?series=109","date":"2019-01-21T23:06:36","name":"libcamera: add base for applications to configure cameras","version":1,"mbox":"https://patchwork.libcamera.org/series/109/mbox/"}],"comments":"https://patchwork.libcamera.org/api/patches/320/comments/","check":"pending","checks":"https://patchwork.libcamera.org/api/patches/320/checks/","tags":{},"headers":{"Return-Path":"<niklas.soderlund@ragnatech.se>","Received":["from bin-mail-out-06.binero.net (bin-mail-out-06.binero.net\n\t[195.74.38.229])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id 4220460C83\n\tfor <libcamera-devel@lists.libcamera.org>;\n\tTue, 22 Jan 2019 00:07:20 +0100 (CET)","from bismarck.berto.se (unknown [89.233.230.99])\n\tby bin-vsp-out-02.atm.binero.net (Halon) with ESMTPA\n\tid 4a933f3d-1dd1-11e9-874f-005056917f90;\n\tTue, 22 Jan 2019 00:07:16 +0100 (CET)"],"X-Halon-ID":"4a933f3d-1dd1-11e9-874f-005056917f90","Authorized-sender":"niklas@soderlund.pp.se","From":"=?utf-8?q?Niklas_S=C3=B6derlund?= <niklas.soderlund@ragnatech.se>","To":"libcamera-devel@lists.libcamera.org","Date":"Tue, 22 Jan 2019 00:06:40 +0100","Message-Id":"<20190121230640.8783-5-niklas.soderlund@ragnatech.se>","X-Mailer":"git-send-email 2.20.1","In-Reply-To":"<20190121230640.8783-1-niklas.soderlund@ragnatech.se>","References":"<20190121230640.8783-1-niklas.soderlund@ragnatech.se>","MIME-Version":"1.0","Content-Type":"text/plain; charset=UTF-8","Content-Transfer-Encoding":"8bit","Subject":"[libcamera-devel] [RFC 4/4] libcamera: camera: integrate streams\n\tand configuration","X-BeenThere":"libcamera-devel@lists.libcamera.org","X-Mailman-Version":"2.1.23","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":"Mon, 21 Jan 2019 23:07:20 -0000"},"content":"Implement stubs for retrieving the streams of a camera and configuration\nof the same. This just add stubs and further building blocks are needed\nto make this useful.\n\nSigned-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>\n---\n include/libcamera/camera.h |  9 ++++++++\n src/libcamera/camera.cpp   | 46 ++++++++++++++++++++++++++++++++++++++\n 2 files changed, 55 insertions(+)","diff":"diff --git a/include/libcamera/camera.h b/include/libcamera/camera.h\nindex 03b285c840c246e1..13395d994bade85a 100644\n--- a/include/libcamera/camera.h\n+++ b/include/libcamera/camera.h\n@@ -7,11 +7,16 @@\n #ifndef __LIBCAMERA_CAMERA_H__\n #define __LIBCAMERA_CAMERA_H__\n \n+#include <map>\n #include <memory>\n #include <string>\n+#include <vector>\n \n namespace libcamera {\n \n+class Stream;\n+class StreamFormat;\n+\n class Camera final\n {\n public:\n@@ -22,6 +27,10 @@ public:\n \n \tconst std::string &name() const;\n \n+\tstd::vector<Stream> streams() const;\n+\n+\tint configure(const std::map<unsigned int, StreamFormat *> &config);\n+\n \tint acquire();\n \tvoid release();\n \ndiff --git a/src/libcamera/camera.cpp b/src/libcamera/camera.cpp\nindex b80bc36e410a6e0a..ad9cf948135c03bd 100644\n--- a/src/libcamera/camera.cpp\n+++ b/src/libcamera/camera.cpp\n@@ -6,6 +6,7 @@\n  */\n \n #include <libcamera/camera.h>\n+#include <libcamera/stream.h>\n \n #include \"log.h\"\n \n@@ -83,6 +84,51 @@ const std::string &Camera::name() const\n \treturn name_;\n }\n \n+/**\n+ * \\brief Retrieve the supported streams of the camera\n+ *\n+ * \\return An array of streams supported by the camera device\n+ */\n+std::vector<Stream> Camera::streams() const\n+{\n+\tstd::vector<Stream> streams;\n+\n+\t/* TODO: Call into pipeline handler and get streams. */\n+\t/* HACK: Hard code a single stream with ID 0. */\n+\tstreams.push_back(Stream(0));\n+\n+\treturn streams;\n+}\n+\n+/**\n+ * \\brief Configure the camera device prior to capture\n+ *\n+ * Prior to starting capture, the camera device must be configured to select a\n+ * set of streams.\n+ *\n+ * The requested configuration \\a config shall contain at least one stream and\n+ * may contain multiple streams. For each stream an associated StreamFormat\n+ * shall be supplied. Streams supported by the camera device not part of the\n+ * \\a config will be disabled.\n+ *\n+ * Exclusive access to the camera device shall be ensured by a call to\n+ * Camera::acquire() before calling this function, otherwise an -EACCES error\n+ * will be returned.\n+ *\n+ * \\param[in] config Array of stream configurations to setup\n+ *\n+ * \\return 0 on success or a negative error code on error.\n+ */\n+int Camera::configure(const std::map<unsigned int, StreamFormat *> &config)\n+{\n+\tif (!acquired_)\n+\t\treturn -EACCES;\n+\n+\t/* TODO: Call into pipeline handler to configure the hardware. */\n+\n+\treturn 0;\n+}\n+\n Camera::Camera(const std::string &name)\n \t: name_(name)\n {\n","prefixes":["libcamera-devel","RFC","4/4"]}