add toggle to disable automatic gain

Move two functions into separate file

.gitmodules

@@ -1,6 +1,3 @@
 [submodule "submodules/rohrkabel"]
 	path = submodules/rohrkabel
 	url = https://github.com/Soundux/rohrkabel
-[submodule "submodules/channel"]
-	path = submodules/channel
-	url = https://github.com/Soundux/channel.git

CMakeLists.txt

@@ -45,6 +45,7 @@ set(discord-screenaudio_SRC
   src/log.cpp
   src/userscript.cpp
   src/centralwidget.cpp
+  src/localserver.cpp
   resources.qrc
 )
 
@@ -63,20 +64,15 @@ if(GIT_FOUND AND EXISTS "${PROJECT_SOURCE_DIR}/.git")
   endif()
 endif()
 
-function(add_git_subdirectory SUBMODULE)
-  if(NOT EXISTS "${PROJECT_SOURCE_DIR}/submodules/${SUBMODULE}/CMakeLists.txt")
-    message(FATAL_ERROR "Submodule ${SUBMODULE} was not found since you are not in a Git checkout or have GIT_SUBMODULE disabled. Please provide ${SUBMODULE} manually to `./submodules/${SUBMODULE}`.")
-  endif()
+if(NOT EXISTS "${PROJECT_SOURCE_DIR}/submodules/rohrkabel/CMakeLists.txt")
+  message(FATAL_ERROR "Rohrkabel was not found since you are not in a Git checkout or have GIT_SUBMODULE disabled. Please provide rohrkabel manually to `./submodules/rohrkabel`.")
+endif()
 
-  add_subdirectory(submodules/${SUBMODULE})
-endfunction()
-
-add_git_subdirectory(rohrkabel)
-add_git_subdirectory(channel)
+add_subdirectory(submodules/rohrkabel)
 
 add_executable(discord-screenaudio ${discord-screenaudio_SRC})
 
-target_link_libraries(discord-screenaudio Qt::Widgets Qt::WebEngineWidgets rohrkabel channel)
+target_link_libraries(discord-screenaudio Qt::Widgets Qt::WebEngineWidgets rohrkabel)
 
 if(KF5Notifications_FOUND)
   target_link_libraries(discord-screenaudio KF5::Notifications)

README.md

@@ -62,6 +62,9 @@ You have multiple options:
 With apt:
 `apt install -y build-essential cmake qtbase5-dev qtwebengine5-dev libkf5notifications-dev libkf5xmlgui-dev libkf5globalaccel-dev pkg-config libpipewire-0.3-dev git`
 
+With dnf:
+`dnf install @development-tools cmake qt5-qtbase-devel qt5-qtwebengine-devel kf5-knotifications-devel kf5-kxmlgui-devel kf5-kglobalaccel-devel pkgconfig pipewire-devel git`
+
 ### Building
 
 First, clone the repository:

assets/userscript.js

@@ -1,12 +1,14 @@
 navigator.mediaDevices.chromiumGetDisplayMedia =
   navigator.mediaDevices.getDisplayMedia;
+navigator.mediaDevices.chromiumGetUserMedia =
+  navigator.mediaDevices.getUserMedia;
 
 function sleep(ms) {
   return new Promise((resolve) => setTimeout(resolve, ms));
 }
 
 const getAudioDevice = async (nameOfAudioDevice) => {
-  await navigator.mediaDevices.getUserMedia({
+  await navigator.mediaDevices.chromiumGetUserMedia({
     audio: true,
   });
   let audioDevice;
@@ -23,6 +25,16 @@ const getAudioDevice = async (nameOfAudioDevice) => {
   return audioDevice;
 };
 
+function setGetUserMedia() {
+  const getUserMedia = async (constraints) => {
+    return await navigator.mediaDevices.chromiumGetUserMedia({
+      video: constraints?.video || false,
+      audio: { ...constraints?.audio, autoGainControl },
+    });
+  };
+  navigator.mediaDevices.getUserMedia = getUserMedia;
+}
+
 function setGetDisplayMedia(video = true, overrideArgs = undefined) {
   const getDisplayMedia = async (...args) => {
     var id;
@@ -34,26 +46,27 @@ function setGetDisplayMedia(video = true, overrideArgs = undefined) {
     } catch (error) {
       id = "default";
     }
-    let captureSystemAudioStream = await navigator.mediaDevices.getUserMedia({
-      audio: {
-        // We add our audio constraints here, to get a list of supported constraints use navigator.mediaDevices.getSupportedConstraints();
-        // We must capture a microphone, we use default since its the only deviceId that is the same for every Chromium user
-        deviceId: {
-          exact: id,
+    let captureSystemAudioStream =
+      await navigator.mediaDevices.chromiumGetUserMedia({
+        audio: {
+          // We add our audio constraints here, to get a list of supported constraints use navigator.mediaDevices.getSupportedConstraints();
+          // We must capture a microphone, we use default since its the only deviceId that is the same for every Chromium user
+          deviceId: {
+            exact: id,
+          },
+          // We want auto gain control, noise cancellation and noise suppression disabled so that our stream won't sound bad
+          autoGainControl: false,
+          echoCancellation: false,
+          noiseSuppression: false,
+          // By default Chromium sets channel count for audio devices to 1, we want it to be stereo in case we find a way for Discord to accept stereo screenshare too
+          channelCount: 2,
+          // You can set more audio constraints here, bellow are some examples
+          //latency: 0,
+          //sampleRate: 48000,
+          //sampleSize: 16,
+          //volume: 1.0
         },
-        // We want auto gain control, noise cancellation and noise suppression disabled so that our stream won't sound bad
-        autoGainControl: false,
-        echoCancellation: false,
-        noiseSuppression: false,
-        // By default Chromium sets channel count for audio devices to 1, we want it to be stereo in case we find a way for Discord to accept stereo screenshare too
-        channelCount: 2,
-        // You can set more audio constraints here, bellow are some examples
-        //latency: 0,
-        //sampleRate: 48000,
-        //sampleSize: 16,
-        //volume: 1.0
-      },
-    });
+      });
     let [track] = captureSystemAudioStream.getAudioTracks();
     const gdm = await navigator.mediaDevices.chromiumGetDisplayMedia(
       ...(overrideArgs
@@ -68,6 +81,7 @@ function setGetDisplayMedia(video = true, overrideArgs = undefined) {
 }
 
 setGetDisplayMedia();
+setGetUserMedia();
 
 let userscript;
 let muteBtn;
@@ -76,6 +90,7 @@ let streamStartBtn;
 let streamStartBtnInitialDisplay;
 let streamStartBtnClone;
 let resolutionString;
+let autoGainControl = true;
 const clonedElements = [];
 const hiddenElements = [];
 let wasStreamActive = false;
@@ -159,6 +174,10 @@ function main() {
     streamStartBtnClone.remove();
   });
 
+  userscript.getPref("disableAutomaticGain", false).then((disabled) => {
+    autoGainControl = !disabled;
+  });
+
   function updateUserstyles() {
     userscript.log("Loading userstyles...");
     userscript.loadingMessage = "Loading userstyles...";
@@ -368,5 +387,29 @@ function main() {
         }
       }
     }
+
+    for (const el of document.getElementsByClassName("sensitivity-3A7Gs9")) {
+      if (
+        el.getElementsByTagName("div").length > 0 &&
+        !document.getElementById("discord-screenaudio-gaintoggle")
+      ) {
+        const toggle = createSwitch(
+          "Disable automatic gain",
+          await userscript.getPref("disableAutomaticGain", false),
+          async (disabled) => {
+            await userscript.setPref("disableAutomaticGain", disabled);
+            autoGainControl = !disabled;
+            setGetUserMedia();
+            if (disabled)
+              userscript.showInformation(
+                "discord-screenaudio",
+                "If you are currently in a call, this setting may only take effect after you rejoin the call or restart discord-screenaudio."
+              );
+          }
+        );
+        toggle.id = "discord-screenaudio-gaintoggle";
+        el.getElementsByTagName("div")[0].appendChild(toggle);
+      }
+    }
   }, 500);
 }

src/discordpage.cpp

@@ -282,10 +282,11 @@ void DiscordPage::javaScriptConsoleMessage(
           ansi += "\033[" + cssAnsiColorMap[color] + "m";
       }
     }
-    qDebug(discordLog) << (ansi + lines[0].trimmed() + "\033[0m " +
-                           lines[endOfStyles].trimmed())
-                              .toUtf8()
-                              .constData();
+    if (endOfStyles < lines.length())
+      qDebug(discordLog) << (ansi + lines[0].trimmed() + "\033[0m " +
+                             lines[endOfStyles].trimmed())
+                                .toUtf8()
+                                .constData();
     for (auto line : lines.mid(endOfStyles + 1)) {
       qDebug(discordLog) << line.toUtf8().constData();
     }

src/localserver.cpp

@@ -0,0 +1,22 @@
+#include "localserver.h"
+
+bool isProgramRunning(const QString &program_name) {
+  QLocalSocket socket;
+  socket.connectToServer(program_name);
+  if (socket.waitForConnected()) {
+    return true; // program is already running
+  }
+  return false;
+}
+
+void showErrorMessage(const char *text) {
+  QMessageBox msgBox;
+
+  msgBox.setIcon(QMessageBox::Critical);
+  msgBox.setText(text);
+  msgBox.setStandardButtons(QMessageBox::Ok);
+  msgBox.setDefaultButton(QMessageBox::Ok);
+  msgBox.setWindowIcon(QIcon(":assets/de.shorsh.discord-screenaudio.png"));
+
+  msgBox.exec();
+}

src/localserver.h

@@ -0,0 +1,9 @@
+#pragma once
+#include "mainwindow.h"
+
+#include <QLocalServer>
+#include <QLocalSocket>
+#include <QMessageBox>
+
+bool isProgramRunning(const QString &program_name);
+void showErrorMessage(const char *text);

src/main.cpp

@@ -1,3 +1,4 @@
+#include "localserver.h"
 #include "mainwindow.h"
 #include "virtmic.h"
 
@@ -7,10 +8,14 @@
 
 #include <QApplication>
 #include <QCommandLineParser>
+#include <QLocalServer>
+#include <QLocalSocket>
 #include <QLoggingCategory>
+#include <QMessageBox>
 
 int main(int argc, char *argv[]) {
   QApplication app(argc, argv);
+
   QApplication::setApplicationName("discord-screenaudio");
   QApplication::setWindowIcon(
       QIcon(":assets/de.shorsh.discord-screenaudio.png"));
@@ -24,6 +29,9 @@ int main(int argc, char *argv[]) {
       "Custom Discord client with the ability to stream audio on Linux");
   parser.addHelpOption();
   parser.addVersionOption();
+  QCommandLineOption virtmicOption("virtmic", "Start the Virtual Microphone",
+                                   "target");
+  parser.addOption(virtmicOption);
   QCommandLineOption degubOption("remote-debugging",
                                  "Open Chromium Remote Debugging on port 9222");
   parser.addOption(degubOption);
@@ -33,6 +41,10 @@ int main(int argc, char *argv[]) {
 
   parser.process(app);
 
+  if (parser.isSet(virtmicOption)) {
+    Virtmic::start(parser.value(virtmicOption));
+  }
+
   qputenv("QTWEBENGINE_CHROMIUM_FLAGS",
           "--enable-features=WebRTCPipeWireCapturer " +
               qgetenv("QTWEBENGINE_CHROMIUM_FLAGS"));
@@ -43,6 +55,20 @@ int main(int argc, char *argv[]) {
                 qgetenv("QTWEBENGINE_CHROMIUM_FLAGS"));
 
   MainWindow w(parser.isSet(notifySendOption));
+
+  // Check if discord is already running
+  QString program_name = "discord-screenaudio";
+  if (isProgramRunning(program_name)) {
+    // if running show error message
+    showErrorMessage("discord-screenaudio is already running");
+    return 1;
+  }
+
+  // open server so we can check if discord is running
+  QLocalServer server;
+  server.listen(program_name);
+  QObject::connect(&server, &QLocalServer::newConnection, []() {});
+
   w.show();
 
   return app.exec();

src/mainwindow.cpp

@@ -30,6 +30,7 @@ MainWindow::MainWindow(bool useNotifySend, QWidget *parent)
   m_centralWidget = new CentralWidget(this);
   setCentralWidget(m_centralWidget);
   setupTrayIcon();
+  setMinimumSize(800, 300);
   if (m_settings->contains("geometry")) {
     restoreGeometry(m_settings->value("geometry").toByteArray());
   } else {

src/mainwindow.h

@@ -1,7 +1,6 @@
 #pragma once
 
 #include "centralwidget.h"
-#include "virtmic.h"
 
 #include <QMainWindow>
 #include <QMenu>

src/streamdialog.cpp

@@ -1,5 +1,4 @@
 #include "streamdialog.h"
-#include "mainwindow.h"
 #include "virtmic.h"
 
 #include <QComboBox>

src/userscript.cpp

@@ -42,12 +42,12 @@ void UserScript::setupHelpMenu() {
   aboutData.addCredit(
       "Curve", "For creating the Rohrkabel library used in this project.",
       QString(), "https://github.com/Curve");
-  aboutData.addComponent("Rohrkabel", "A C++ RAII Pipewire-API Wrapper", "1.5",
+  aboutData.addComponent("Rohrkabel", "A C++ RAII Pipewire-API Wrapper", "1.3",
                          "https://github.com/Soundux/rohrkabel");
-  aboutData.addComponent(
-      "Soundux/channel ",
-      "A C++ implementation of Rust's std::sync::mpsc::channel", nullptr,
-      "https://github.com/Soundux/channel");
+  aboutData.addComponent("arRPC",
+                         "An open implementation of Discord's local RPC "
+                         "servers<br>Copyright (c) 2022 OpenAsar",
+                         nullptr, "https://github.com/OpenAsar/arrpc");
   m_helpMenu = new KHelpMenu(MainWindow::instance(), aboutData);
 #endif
 }
@@ -182,3 +182,7 @@ void UserScript::showThemeDialog() {
 void UserScript::installUserStyles(QString url) {
   emit shouldInstallUserStyles(url);
 }
+
+void UserScript::showInformation(QString title, QString message) {
+  QMessageBox::information(MainWindow::instance(), title, message);
+}

src/userscript.h

@@ -72,6 +72,7 @@ public Q_SLOTS:
   void showShortcutsDialog();
   void showHelpMenu();
   void showStreamDialog();
+  void showInformation(QString title, QString message);
   void stopVirtmic();
   void startVirtmic(QString target);
   void showThemeDialog();

src/virtmic.cpp

@@ -1,174 +1,194 @@
 #include "virtmic.h"
 #include "log.h"
 
-QThread virtmicThread;
-std::unique_ptr<pipewire::sender<Virtmic::set_target, Virtmic::terminate>>
-    senderr;
-std::unique_ptr<cr::receiver<Virtmic::new_targets>> receiverr;
+#include <rohrkabel/loop/main.hpp>
+#include <rohrkabel/registry/registry.hpp>
 
-void Virtmic::instance() {
-  if (!virtmicThread.isRunning()) {
-    auto [main_sender, main_receiver] = cr::channel<new_targets>();
-    auto [pw_sender, pw_receiver] = pipewire::channel<set_target, terminate>();
-    Virtmic *virtmic =
-        new Virtmic(std::move(pw_receiver), std::move(main_sender));
-    virtmic->moveToThread(&virtmicThread);
-    virtmicThread.start();
-    QMetaObject::invokeMethod(virtmic, "run");
-    receiverr = std::make_unique<cr::receiver<Virtmic::new_targets>>(
-        std::move(main_receiver));
-    senderr = std::make_unique<
-        pipewire::sender<Virtmic::set_target, Virtmic::terminate>>(
-        std::move(pw_sender));
+namespace Virtmic {
+
+const QStringList EXCLUDE_TARGETS{"Chromium input", "discord-screenaudio"};
+
+const std::string nullstr = "";
+const std::string &getTarget(const pipewire::spa::dict &props) {
+  if (props.count("media.class") &&
+      props.at("media.class") == "Stream/Output/Audio") {
+    if (props.count("application.name") && props.at("application.name") != "")
+      return props.at("application.name");
+    else if (props.count("application.process.binary") &&
+             props.at("application.process.binary") != "")
+      return props.at("application.process.binary");
+    else
+      return props.at("node.name");
+  } else
+    return nullstr;
+}
+
+QString qGetTarget(const pipewire::spa::dict &props) {
+  return QString::fromStdString(getTarget(props));
+}
+
+QVector<QString> getTargets() {
+  auto main_loop = pipewire::main_loop();
+  auto context = pipewire::context(main_loop);
+  auto core = pipewire::core(context);
+  auto reg = pipewire::registry(core);
+
+  QVector<QString> targets;
+
+  auto reg_listener = reg.listen<pipewire::registry_listener>();
+  reg_listener.on<pipewire::registry_event::global>(
+      [&](const pipewire::global &global) {
+        if (global.type == pipewire::node::type) {
+          auto node = reg.bind<pipewire::node>(global.id);
+          auto info = node.info();
+          QString name = qGetTarget(info.props);
+          if (name != "" && !EXCLUDE_TARGETS.contains(name) &&
+              !targets.contains(name)) {
+            targets.append(name);
+          }
+        }
+      });
+  core.update();
+
+  return targets;
+}
+
+void start(QString _target) {
+  std::map<std::uint32_t, pipewire::port> ports;
+  std::unique_ptr<pipewire::port> virt_fl, virt_fr;
+
+  std::map<std::uint32_t, pipewire::node_info> nodes;
+  std::map<std::uint32_t, pipewire::link_factory> links;
+
+  auto main_loop = pipewire::main_loop();
+  auto context = pipewire::context(main_loop);
+  auto core = pipewire::core(context);
+  auto reg = pipewire::registry(core);
+
+  auto link = [&](const std::string &target, pipewire::core &core) {
+    for (const auto &[port_id, port] : ports) {
+      if (!virt_fl || !virt_fr)
+        continue;
+
+      if (links.count(port_id))
+        continue;
+
+      if (port.info().direction == pipewire::port_direction::input)
+        continue;
+
+      if (!port.info().props.count("node.id"))
+        continue;
+
+      auto parent_id = std::stoul(port.info().props["node.id"]);
+
+      if (!nodes.count(parent_id))
+        continue;
+
+      auto &parent = nodes.at(parent_id);
+      std::string name = getTarget(parent.props);
+      if (name == target ||
+          (target == "[All Desktop Audio]" &&
+           !EXCLUDE_TARGETS.contains(QString::fromStdString(name)))) {
+        auto fl = port.info().props["audio.channel"] == "FL";
+        links.emplace(
+            port_id,
+            core.create<pipewire::link_factory>(
+                {fl ? virt_fl->info().id : virt_fr->info().id, port_id}));
+        qDebug(virtmicLog) << QString("Link: %1:%2 -> %3")
+                                  .arg(QString::fromStdString(name))
+                                  .arg(port_id)
+                                  .arg(fl ? virt_fl->info().id
+                                          : virt_fr->info().id)
+                                  .toUtf8()
+                                  .data();
+      }
+    }
+  };
+
+  std::string target = _target.toUtf8().toStdString();
+
+  auto virtual_mic = core.create("adapter",
+                                 {{"node.name", "discord-screenaudio-virtmic"},
+                                  {"media.class", "Audio/Source/Virtual"},
+                                  {"factory.name", "support.null-audio-sink"},
+                                  {"audio.channels", "2"},
+                                  {"audio.position", "FL,FR"}},
+                                 pipewire::node::type, pipewire::node::version,
+                                 pipewire::update_strategy::none);
+
+  if (target == "[None]") {
+    while (true) {
+      main_loop.run();
+    }
+    return;
   }
-}
 
-void Virtmic::setTarget(QString target) {
-  senderr.get()->send<Virtmic::set_target>({target});
-}
+  auto reg_events = reg.listen<pipewire::registry_listener>();
+  reg_events.on<pipewire::registry_event::global>(
+      [&](const pipewire::global &global) {
+        if (global.type == pipewire::node::type) {
+          auto node = reg.bind<pipewire::node>(global.id);
+          auto info = node.info();
+          std::string name = getTarget(info.props);
+          if (name == nullstr)
+            return;
+          qDebug(virtmicLog) << QString("Added: %1")
+                                    .arg(QString::fromStdString(name))
+                                    .toUtf8()
+                                    .data();
 
-void Virtmic::getTargets() { senderr.get()->send<Virtmic::get_targets>(); }
+          if (!nodes.count(global.id)) {
+            nodes.emplace(global.id, node.info());
+            link(target, core);
+          }
+        }
+        if (global.type == pipewire::port::type) {
+          auto port = reg.bind<pipewire::port>(global.id);
+          auto info = port.info();
 
-Virtmic::Virtmic(pipewire::receiver<set_target, terminate> receiver,
-                 cr::sender<new_targets> sender) {
-  m_receiver = std::make_unique<pipewire::receiver<set_target, terminate>>(
-      std::move(receiver));
-  m_sender = std::make_unique<cr::sender<new_targets>>(std::move(sender));
-  virtual_mic = std::make_unique<pipewire::proxy>(
-      std::move(*core.create("adapter",
-                             {{"node.name", "discord-screenaudio-virtmic"},
-                              {"media.class", "Audio/Source/Virtual"},
-                              {"factory.name", "support.null-audio-sink"},
-                              {"audio.channels", "2"},
-                              {"audio.position", "FL,FR"}},
-                             pipewire::node::type, pipewire::node::version,
-                             pipewire::update_strategy::none)
-                     .get()));
-  metadata_listener.on<pipewire::registry_event::global>(
-      [&](const auto &global) { globalEvent(global); });
-  metadata_listener.on<pipewire::registry_event::global_removed>(
-      [&](const std::uint32_t id) { globalRemovedEvent(id); });
-}
+          if (info.props.count("node.id")) {
+            auto node_id = std::stoul(info.props["node.id"]);
+
+            if (node_id == virtual_mic.id() &&
+                info.direction == pipewire::port_direction::input) {
+              if (info.props["audio.channel"] == "FL") {
+                virt_fl = std::make_unique<pipewire::port>(std::move(port));
+              } else {
+                virt_fr = std::make_unique<pipewire::port>(std::move(port));
+              }
+            } else {
+              ports.emplace(global.id, std::move(port));
+            }
+
+            link(target, core);
+          }
+        }
+      });
+
+  reg_events.on<pipewire::registry_event::global_removed>(
+      [&](const std::uint32_t id) {
+        if (nodes.count(id)) {
+          auto info = nodes.at(id);
+          std::string name = getTarget(info.props);
+          if (name == nullstr)
+            return;
+          qDebug(virtmicLog) << QString("Removed: %1")
+                                    .arg(QString::fromStdString(name))
+                                    .toUtf8()
+                                    .data();
+          nodes.erase(id);
+        }
+        if (ports.count(id)) {
+          ports.erase(id);
+        }
+        if (links.count(id)) {
+          links.erase(id);
+        }
+      });
 
-void Virtmic::run() {
   while (true) {
     main_loop.run();
   }
 }
 
-void Virtmic::link() {
-  for (const auto &[port_id, port] : ports) {
-    auto port_info = port.info();
-    if (!virt_fl || !virt_fr)
-      continue;
-
-    if (links.count(port_id))
-      continue;
-
-    if (port_info.direction == pipewire::port_direction::input)
-      continue;
-
-    if (!port_info.props.count("node.id"))
-      continue;
-
-    auto parent_id = std::stoul(port_info.props["node.id"]);
-
-    if (!nodes.count(parent_id))
-      continue;
-
-    auto &parent = nodes[parent_id];
-    QString name;
-    if (parent.props.count("application.name") &&
-        parent.props["application.name"] != "")
-      name = QString::fromStdString(parent.props["application.name"]);
-    else
-      name = QString::fromStdString(parent.props["application.process.binary"]);
-
-    if (name == target ||
-        (target == "[All Desktop Audio]" && !EXCLUDE_TARGETS.contains(name))) {
-      auto fl = port_info.props["audio.channel"] == "FL";
-      links.emplace(port_id,
-                    *core.create_simple<pipewire::link>(fl ? virt_fl->info().id
-                                                           : virt_fr->info().id,
-                                                        port_id)
-                         .get());
-      qDebug(virtmicLog) << QString("Link: %1:%2 -> %3")
-                                .arg(name)
-                                .arg(port_id)
-                                .arg(fl ? virt_fl->info().id
-                                        : virt_fr->info().id)
-                                .toUtf8()
-                                .data();
-    }
-  }
-}
-
-void Virtmic::unlink() { links.clear(); }
-
-void Virtmic::globalEvent(const pipewire::global &global) {
-  if (global.type == pipewire::node::type) {
-    auto node = *reg.bind<pipewire::node>(global.id).get();
-    auto info = node.info();
-    std::string name;
-    if (info.props.count("application.name") &&
-        info.props["application.name"] != "")
-      name = info.props["application.name"];
-    else if (info.props.count("application.process.binary")) {
-      name = info.props["application.process.binary"];
-    } else
-      return;
-    qDebug(virtmicLog) << QString("Added: %1")
-                              .arg(QString::fromStdString(name))
-                              .toUtf8()
-                              .data();
-
-    if (!nodes.count(global.id)) {
-      nodes.emplace(global.id, node.info());
-      link();
-    }
-  }
-  if (global.type == pipewire::port::type) {
-    auto port = *reg.bind<pipewire::port>(global.id).get();
-    auto info = port.info();
-
-    if (info.props.count("node.id")) {
-      auto node_id = std::stoul(info.props["node.id"]);
-
-      if (node_id == virtual_mic.get()->id() &&
-          info.direction == pipewire::port_direction::input) {
-        if (info.props["audio.channel"] == "FL") {
-          virt_fl = std::make_unique<pipewire::port>(std::move(port));
-        } else {
-          virt_fr = std::make_unique<pipewire::port>(std::move(port));
-        }
-      } else {
-        ports.emplace(global.id, std::move(port));
-      }
-
-      link();
-    }
-  }
-}
-
-void Virtmic::globalRemovedEvent(const std::uint32_t id) {
-  if (nodes.count(id)) {
-    auto info = nodes.at(id);
-    std::string name;
-    if (info.props.count("application.name") &&
-        info.props["application.name"] != "")
-      name = info.props["application.name"];
-    else
-      name = info.props["application.process.binary"];
-    qDebug(virtmicLog) << QString("Removed: %1")
-                              .arg(QString::fromStdString(name))
-                              .toUtf8()
-                              .data();
-    nodes.erase(id);
-  }
-  if (ports.count(id)) {
-    ports.erase(id);
-  }
-  if (links.count(id)) {
-    links.erase(id);
-  }
-}
+} // namespace Virtmic

src/virtmic.h

@@ -1,63 +1,12 @@
 #pragma once
 
-#include <cr/channel.hpp>
+#include <QString>
+#include <QVector>
 #include <iostream>
-#include <rohrkabel/channel/channel.hpp>
-#include <rohrkabel/main_loop.hpp>
-#include <rohrkabel/registry/registry.hpp>
 
-#include <QMap>
-#include <QScopedPointer>
-#include <QStringList>
-#include <QThread>
+namespace Virtmic {
 
-class Virtmic : public QObject {
-  Q_OBJECT
-public:
-  static void setTarget(QString target);
-  static void getTargets();
+QVector<QString> getTargets();
+void start(QString _target);
 
-public:
-  struct set_target {
-    QString name;
-  };
-  struct get_targets {};
-  struct terminate {};
-  struct new_targets {
-    QStringList targets;
-  };
-
-protected:
-  static void instance();
-
-protected:
-  Virtmic(pipewire::receiver<set_target, terminate> receiver,
-          cr::sender<new_targets> sender);
-  void run();
-
-private:
-  std::unique_ptr<pipewire::receiver<set_target, terminate>> m_receiver;
-  std::unique_ptr<cr::sender<new_targets>> m_sender;
-
-  const QStringList EXCLUDE_TARGETS{"Chromium input", "discord-screenaudio"};
-  QString target;
-
-  pipewire::main_loop main_loop = pipewire::main_loop();
-  pipewire::context context = pipewire::context(main_loop);
-  pipewire::core core = pipewire::core(context);
-  pipewire::registry reg = pipewire::registry(core);
-
-  pipewire::registry_listener metadata_listener =
-      reg.listen<pipewire::registry_listener>();
-  std::unique_ptr<pipewire::proxy> virtual_mic;
-
-  std::map<uint32_t, pipewire::port> ports;
-  std::unique_ptr<pipewire::port> virt_fl, virt_fr;
-  std::map<uint32_t, pipewire::node_info> nodes;
-  std::map<uint32_t, pipewire::link> links;
-
-  void link();
-  void unlink();
-  void globalEvent(const pipewire::global &global);
-  void globalRemovedEvent(const std::uint32_t id);
-};
+} // namespace Virtmic