From patchwork Mon May 27 00:15:40 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Niklas_S=C3=B6derlund?= X-Patchwork-Id: 1308 Return-Path: Received: from vsp-unauthed02.binero.net (vsp-unauthed02.binero.net [195.74.38.227]) by lancelot.ideasonboard.com (Postfix) with ESMTPS id 35B6D61909 for ; Mon, 27 May 2019 02:16:14 +0200 (CEST) X-Halon-ID: a0b8a676-8014-11e9-8ab4-005056917a89 Authorized-sender: niklas@soderlund.pp.se Received: from bismarck.berto.se (unknown [89.233.230.99]) by bin-vsp-out-01.atm.binero.net (Halon) with ESMTPA id a0b8a676-8014-11e9-8ab4-005056917a89; Mon, 27 May 2019 02:16:09 +0200 (CEST) From: =?utf-8?q?Niklas_S=C3=B6derlund?= To: libcamera-devel@lists.libcamera.org Date: Mon, 27 May 2019 02:15:40 +0200 Message-Id: <20190527001543.13593-15-niklas.soderlund@ragnatech.se> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190527001543.13593-1-niklas.soderlund@ragnatech.se> References: <20190527001543.13593-1-niklas.soderlund@ragnatech.se> MIME-Version: 1.0 Subject: [libcamera-devel] [PATCH 14/17] cam: Move camera configuration preparation to CamApp X-BeenThere: libcamera-devel@lists.libcamera.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 27 May 2019 00:16:15 -0000 Most of the camera configuration preparation which is done in the Capture module is not specific to capturing and could be useful for other modules. Extract the generic parts to CamApp and do basic preparation of the configuration before passing it to modules. Signed-off-by: Niklas Söderlund Reviewed-by: Laurent Pinchart --- src/cam/capture.cpp | 84 ++++----------------------------------------- src/cam/capture.h | 7 ++-- src/cam/main.cpp | 75 ++++++++++++++++++++++++++++++++++++++-- 3 files changed, 83 insertions(+), 83 deletions(-) diff --git a/src/cam/capture.cpp b/src/cam/capture.cpp index a4aa44af25828f23..e455612b36238157 100644 --- a/src/cam/capture.cpp +++ b/src/cam/capture.cpp @@ -15,8 +15,8 @@ using namespace libcamera; -Capture::Capture(Camera *camera) - : camera_(camera), writer_(nullptr), last_(0) +Capture::Capture(Camera *camera, CameraConfiguration *config) + : camera_(camera), config_(config), writer_(nullptr), last_(0) { } @@ -29,13 +29,13 @@ int Capture::run(EventLoop *loop, const OptionsParser::Options &options) return -ENODEV; } - ret = prepareConfig(options); - if (ret) { - std::cout << "Failed to prepare camera configuration" << std::endl; - return -EINVAL; + streamName_.clear(); + for (unsigned int index = 0; index < config_->size(); ++index) { + StreamConfiguration &cfg = config_->at(index); + streamName_[cfg.stream()] = "stream" + std::to_string(index); } - ret = camera_->configure(config_.get()); + ret = camera_->configure(config_); if (ret < 0) { std::cout << "Failed to configure camera" << std::endl; return ret; @@ -64,80 +64,10 @@ int Capture::run(EventLoop *loop, const OptionsParser::Options &options) } camera_->freeBuffers(); - config_.reset(); return ret; } -int Capture::prepareConfig(const OptionsParser::Options &options) -{ - StreamRoles roles; - - if (options.isSet(OptStream)) { - const std::vector &streamOptions = - options[OptStream].toArray(); - - /* Use roles and get a default configuration. */ - for (auto const &value : streamOptions) { - KeyValueParser::Options opt = value.toKeyValues(); - - if (!opt.isSet("role")) { - roles.push_back(StreamRole::VideoRecording); - } else if (opt["role"].toString() == "viewfinder") { - roles.push_back(StreamRole::Viewfinder); - } else if (opt["role"].toString() == "video") { - roles.push_back(StreamRole::VideoRecording); - } else if (opt["role"].toString() == "still") { - roles.push_back(StreamRole::StillCapture); - } else { - std::cerr << "Unknown stream role " - << opt["role"].toString() << std::endl; - return -EINVAL; - } - } - } else { - /* If no configuration is provided assume a single video stream. */ - roles.push_back(StreamRole::VideoRecording); - } - - config_ = camera_->generateConfiguration(roles); - if (!config_ || config_->size() != roles.size()) { - std::cerr << "Failed to get default stream configuration" - << std::endl; - return -EINVAL; - } - - /* Apply configuration if explicitly requested. */ - if (options.isSet(OptStream)) { - const std::vector &streamOptions = - options[OptStream].toArray(); - - unsigned int i = 0; - for (auto const &value : streamOptions) { - KeyValueParser::Options opt = value.toKeyValues(); - StreamConfiguration &cfg = config_->at(i++); - - if (opt.isSet("width")) - cfg.size.width = opt["width"]; - - if (opt.isSet("height")) - cfg.size.height = opt["height"]; - - /* TODO: Translate 4CC string to ID. */ - if (opt.isSet("pixelformat")) - cfg.pixelFormat = opt["pixelformat"]; - } - } - - streamName_.clear(); - for (unsigned int index = 0; index < config_->size(); ++index) { - StreamConfiguration &cfg = config_->at(index); - streamName_[cfg.stream()] = "stream" + std::to_string(index); - } - - return 0; -} - int Capture::capture(EventLoop *loop) { int ret; diff --git a/src/cam/capture.h b/src/cam/capture.h index a97d1f44d229c214..1d4a25a84a51403b 100644 --- a/src/cam/capture.h +++ b/src/cam/capture.h @@ -20,19 +20,18 @@ class Capture { public: - Capture(libcamera::Camera *camera); + Capture(libcamera::Camera *camera, + libcamera::CameraConfiguration *config); int run(EventLoop *loop, const OptionsParser::Options &options); private: - int prepareConfig(const OptionsParser::Options &options); - int capture(EventLoop *loop); void requestComplete(libcamera::Request *request, const std::map &buffers); libcamera::Camera *camera_; - std::unique_ptr config_; + libcamera::CameraConfiguration *config_; std::map streamName_; BufferWriter *writer_; diff --git a/src/cam/main.cpp b/src/cam/main.cpp index dbf04917bcc5aa38..338740d1512c7189 100644 --- a/src/cam/main.cpp +++ b/src/cam/main.cpp @@ -33,19 +33,21 @@ public: private: int parseOptions(int argc, char *argv[]); + int prepareConfig(); int run(); static CamApp *app_; OptionsParser::Options options_; CameraManager *cm_; std::shared_ptr camera_; + std::unique_ptr config_; EventLoop *loop_; }; CamApp *CamApp::app_ = nullptr; CamApp::CamApp() - : cm_(nullptr), camera_(nullptr), loop_(nullptr) + : cm_(nullptr), camera_(nullptr), config_(nullptr), loop_(nullptr) { CamApp::app_ = this; } @@ -90,6 +92,10 @@ int CamApp::init(int argc, char **argv) } std::cout << "Using camera " << camera_->name() << std::endl; + + ret = prepareConfig(); + if (ret) + return ret; } loop_ = new EventLoop(cm_->eventDispatcher()); @@ -107,6 +113,8 @@ void CamApp::cleanup() camera_.reset(); } + config_.reset(); + cm_->stop(); } @@ -168,6 +176,69 @@ int CamApp::parseOptions(int argc, char *argv[]) return 0; } +int CamApp::prepareConfig() +{ + StreamRoles roles; + + if (options_.isSet(OptStream)) { + const std::vector &streamOptions = + options_[OptStream].toArray(); + + /* Use roles and get a default configuration. */ + for (auto const &value : streamOptions) { + KeyValueParser::Options opt = value.toKeyValues(); + + if (!opt.isSet("role")) { + roles.push_back(StreamRole::VideoRecording); + } else if (opt["role"].toString() == "viewfinder") { + roles.push_back(StreamRole::Viewfinder); + } else if (opt["role"].toString() == "video") { + roles.push_back(StreamRole::VideoRecording); + } else if (opt["role"].toString() == "still") { + roles.push_back(StreamRole::StillCapture); + } else { + std::cerr << "Unknown stream role " + << opt["role"].toString() << std::endl; + return -EINVAL; + } + } + } else { + /* If no configuration is provided assume a single video stream. */ + roles.push_back(StreamRole::VideoRecording); + } + + config_ = camera_->generateConfiguration(roles); + if (!config_ || config_->size() != roles.size()) { + std::cerr << "Failed to get default stream configuration" + << std::endl; + return -EINVAL; + } + + /* Apply configuration if explicitly requested. */ + if (options_.isSet(OptStream)) { + const std::vector &streamOptions = + options_[OptStream].toArray(); + + unsigned int i = 0; + for (auto const &value : streamOptions) { + KeyValueParser::Options opt = value.toKeyValues(); + StreamConfiguration &cfg = config_->at(i++); + + if (opt.isSet("width")) + cfg.size.width = opt["width"]; + + if (opt.isSet("height")) + cfg.size.height = opt["height"]; + + /* TODO: Translate 4CC string to ID. */ + if (opt.isSet("pixelformat")) + cfg.pixelFormat = opt["pixelformat"]; + } + } + + return 0; +} + int CamApp::run() { if (options_.isSet(OptList)) { @@ -177,7 +248,7 @@ int CamApp::run() } if (options_.isSet(OptCapture)) { - Capture capture(camera_.get()); + Capture capture(camera_.get(), config_.get()); return capture.run(loop_, options_); }