-/*
- Copyright (C) 2018 Carl Hetherington <cth@carlh.net>
-
- This file is part of DCP-o-matic.
-
- DCP-o-matic is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
-
- DCP-o-matic is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with DCP-o-matic. If not, see <http://www.gnu.org/licenses/>.
-
-*/
-
-#include "compose.hpp"
-#include "edid.h"
-#include "warnings.h"
-#include <dcp/raw_convert.h>
-DCPOMATIC_DISABLE_WARNINGS
-#include <libxml++/libxml++.h>
-DCPOMATIC_ENABLE_WARNINGS
-#include <boost/filesystem.hpp>
-#include <boost/algorithm/string.hpp>
-#include <iostream>
-
-#define EDID_SYS_PATH "/sys/class/drm"
-static uint8_t const edid_header[] = { 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00 };
-
-using std::vector;
-using std::string;
-using std::cout;
-
-vector<Monitor>
-get_monitors()
-{
- using namespace boost::filesystem;
- using namespace boost::algorithm;
-
- vector<Monitor> monitors;
-
- int card = 0;
- while (true) {
- path card_dir = String::compose("%1/card%2", EDID_SYS_PATH, card);
- if (!is_directory(card_dir)) {
- break;
- }
-
- for (directory_iterator i = directory_iterator(card_dir); i != directory_iterator(); ++i) {
- if (!starts_with(i->path().filename().string(), String::compose("card%1", card))) {
- continue;
- }
-
- FILE* edid_file = fopen(path(i->path() / "edid").string().c_str(), "r");
- if (!edid_file) {
- continue;
- }
-
- uint8_t edid[128];
- int const N = fread(edid, 1, sizeof(edid), edid_file);
- fclose(edid_file);
- if (N != 128) {
- continue;
- }
-
- if (memcmp(edid, edid_header, 8) != 0) {
- continue;
- }
-
- Monitor mon;
-
- uint16_t mid = (edid[8] << 8) | edid[9];
- mon.manufacturer_id += char(((mid >> 10) & 0x1f) + 'A' - 1);
- mon.manufacturer_id += char(((mid >> 5) & 0x1f) + 'A' - 1);
- mon.manufacturer_id += char(((mid >> 0) & 0x1f) + 'A' - 1);
-
- mon.manufacturer_product_code = (edid[11] << 8) | edid[10];
-
- mon.serial_number = (edid[15] << 24) | (edid[14] << 16) | (edid[13] << 8) | edid[12];
- mon.week_of_manufacture = edid[16];
- mon.year_of_manufacture = edid[17];
- monitors.push_back (mon);
- }
-
- ++card;
- }
-
- return monitors;
-}
-
-Monitor::Monitor ()
- : manufacturer_product_code (0)
- , serial_number (0)
- , week_of_manufacture (0)
- , year_of_manufacture (0)
-{
-
-}
-
-Monitor::Monitor (cxml::ConstNodePtr node)
- : manufacturer_id(node->string_child("ManufacturerId"))
- , manufacturer_product_code(node->number_child<uint32_t>("ManufacturerProductCode"))
- , serial_number(node->number_child<uint32_t>("SerialNumber"))
- , week_of_manufacture(node->number_child<int>("WeekOfManufacture"))
- , year_of_manufacture(node->number_child<int>("YearOfManufacture"))
-
-{
-
-}
-
-void
-Monitor::as_xml (xmlpp::Node* parent) const
-{
- parent->add_child("ManufacturerId")->add_child_text(manufacturer_id);
- parent->add_child("ManufacturerProductCode")->add_child_text(dcp::raw_convert<string>(manufacturer_product_code));
- parent->add_child("SerialNumber")->add_child_text(dcp::raw_convert<string>(serial_number));
- parent->add_child("WeekOfManufacture")->add_child_text(dcp::raw_convert<string>(week_of_manufacture));
- parent->add_child("YearOfManufacture")->add_child_text(dcp::raw_convert<string>(year_of_manufacture));
-}
-
-bool
-operator== (Monitor const & a, Monitor const & b)
-{
- return a.manufacturer_id == b.manufacturer_id &&
- a.manufacturer_product_code == b.manufacturer_product_code &&
- a.serial_number == b.serial_number &&
- a.week_of_manufacture == b.week_of_manufacture &&
- a.year_of_manufacture == b.year_of_manufacture;
-}
projects / dcpomatic.git / commitdiff