libcamera/jmondi/libcamera.git - Jacopo Mondi's clone of libcamera

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Diffstat (limited to 'test/object-invoke.cpp')

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/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * Copyright (C) 2020, Raspberry Pi (Trading) Ltd. * * stream_options.cpp - Helper to parse options for streams */ #include "stream_options.h" #include <iostream> using namespace libcamera; StreamKeyValueParser::StreamKeyValueParser() { addOption("role", OptionString, "Role for the stream (viewfinder, video, still, raw)", ArgumentRequired); addOption("width", OptionInteger, "Width in pixels", ArgumentRequired); addOption("height", OptionInteger, "Height in pixels", ArgumentRequired); addOption("pixelformat", OptionString, "Pixel format name", ArgumentRequired); } KeyValueParser::Options StreamKeyValueParser::parse(const char *arguments) { KeyValueParser::Options options = KeyValueParser::parse(arguments); StreamRole role; if (options.valid() && options.isSet("role") && !parseRole(&role, options)) { std::cerr << "Unknown stream role " << options["role"].toString() << std::endl; options.invalidate(); } return options; } StreamRoles StreamKeyValueParser::roles(const OptionValue &values) { const std::vector<OptionValue> &streamParameters = values.toArray(); /* If no configuration values to examine default to viewfinder. */ if (streamParameters.empty()) return { StreamRole::Viewfinder }; StreamRoles roles; for (auto const &value : streamParameters) { KeyValueParser::Options opts = value.toKeyValues(); StreamRole role; /* If role is invalid or not set default to viewfinder. */ if (!parseRole(&role, value)) role = StreamRole::Viewfinder; roles.push_back(role); } return roles; } int StreamKeyValueParser::updateConfiguration(CameraConfiguration *config, const OptionValue &values) { const std::vector<OptionValue> &streamParameters = values.toArray(); if (!config) { std::cerr << "No configuration provided" << std::endl; return -EINVAL; } /* If no configuration values nothing to do. */ if (!streamParameters.size()) return 0; if (config->size() != streamParameters.size()) { std::cerr << "Number of streams in configuration " << config->size() << " does not match number of streams parsed " << streamParameters.size() << std::endl; return -EINVAL; } unsigned int i = 0; for (auto const &value : streamParameters) { KeyValueParser::Options opts = value.toKeyValues(); StreamConfiguration &cfg = config->at(i++); if (opts.isSet("width") && opts.isSet("height")) { cfg.size.width = opts["width"]; cfg.size.height = opts["height"]; } if (opts.isSet("pixelformat")) cfg.pixelFormat = PixelFormat::fromString(opts["pixelformat"].toString()); } return 0; } bool StreamKeyValueParser::parseRole(StreamRole *role, const KeyValueParser::Options &options) { if (!options.isSet("role")) return false; std::string name = options["role"].toString(); if (name == "viewfinder") { *role = StreamRole::Viewfinder; return true; } else if (name == "video") { *role = StreamRole::VideoRecording; return true; } else if (name == "still") { *role = StreamRole::StillCapture; return true; } else if (name == "raw") { *role = StreamRole::Raw; return true; } return false; }


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