Allow and remember stream audio toggling before publication starts

tools/chatgui/src/stream_publish_window.cpp

@@ -209,6 +209,7 @@ StreamPublishWindow::StreamPublishWindow(StreamPublishEngine* engine, uint64_t g
             DEBUG_WARN(DEBUG_CATEGORY_STREAM, "desktop capture settings invalid: %s", qPrintable(error.errorString()));
         else m_settings = document.object();
     }
+    m_audioMuted = m_settings.value("muted").toBool();
     setWindowTitle(text("Broadcast stream")); resize(900, 620); setMinimumSize(780, 360);
     auto* escape = new QShortcut(QKeySequence(Qt::Key_Escape), this); escape->setContext(Qt::WidgetWithChildrenShortcut);
     connect(escape, &QShortcut::activated, this, &QWidget::close);
@@ -278,8 +279,10 @@ StreamPublishWindow::StreamPublishWindow(StreamPublishEngine* engine, uint64_t g
         "Gradually raise the QP ceiling above the selected value when bitrate is too high, then return it. Requires live QP adjustment."));
     form->addRow(m_adaptiveQp);
     connect(m_sound, &QToolButton::toggled, this, [this](bool enabled) {
-        DEBUG_INFO(DEBUG_CATEGORY_STREAM, "desktop stream audio enabled=%d", enabled);
-        m_engine->setMuted(!enabled);
+        m_audioMuted = !enabled;
+        DEBUG_INFO(DEBUG_CATEGORY_STREAM, "desktop stream audio enabled=%d active=%d", enabled, m_engine->active());
+        if (m_engine->active()) m_engine->setMuted(!enabled);
+        else { updateMenuButtons(); saveSettings(); }
     });
     m_status = new QLabel(this); m_status->setWordWrap(true); layout->addWidget(m_status);
     m_stats = new QLabel(this); m_stats->setObjectName(QStringLiteral("streamPublishStats"));
@@ -408,6 +411,7 @@ void StreamPublishWindow::saveSettings() {
     if (selected(m_codec)) saved["codec"] = config.video.codec;
     saved["bitrate"] = value(m_bitrate).toInt(); saved["rotation"] = config.video.rotation;
     saved["audio"] = config.audio; saved["microphone"] = config.microphone;
+    saved["muted"] = m_audioMuted;
     saved["show_cursor"] = config.showCursor;
     saved["max_qp"] = value(m_maxQp).toInt(); saved["adaptive_qp"] = m_adaptiveQp->isChecked();
     if (saved == m_settings) return;
@@ -535,7 +539,8 @@ StreamPublishConfig StreamPublishWindow::selection() const {
         config.adaptiveQp = config.video.maxQp >= 0 && m_adaptiveQp->isChecked();
     }
     config.showCursor = m_cursor->isChecked();
-    config.microphone = value(m_microphone).toString(); config.audio = selected(m_microphone) != m_noAudio; return config;
+    config.microphone = value(m_microphone).toString(); config.audio = selected(m_microphone) != m_noAudio;
+    config.startMuted = m_audioMuted; return config;
 }
 void StreamPublishWindow::apply() {
     if (m_updating || !selected(m_resolution) || !selected(m_fps)) return;
@@ -552,8 +557,10 @@ void StreamPublishWindow::synchronize() {
     for (auto* menu : {m_source, m_resolution, m_fps, m_codec, m_bitrate, m_rotation})
         menu->menuAction()->setEnabled(!active || m_engine->running());
     m_microphone->menuAction()->setEnabled(!active);
-    m_sound->setEnabled(m_engine->running() && m_engine->config().audio);
-    { QSignalBlocker blocked(m_sound); m_sound->setChecked(active ? !m_engine->muted() && m_engine->config().audio : selection().audio); }
+    if (active) m_audioMuted = m_engine->muted();
+    bool audio = active ? m_engine->config().audio : selection().audio;
+    m_sound->setEnabled(audio && (!active || m_engine->running()));
+    { QSignalBlocker blocked(m_sound); m_sound->setChecked(audio && !m_audioMuted); }
     if (active) {
         auto config = m_engine->config();
         for (int i = 0; i < m_sources.size(); i++) if (m_sources[i].sameSource(config.source)) {

tools/chatgui/src/stream_publish_window.h

@@ -43,6 +43,7 @@ private:
     StreamBufferIndicator* m_buffer; // Диапазоны получателей по истории source: oldest → live; tooltip содержит peer/subflows.
     QWidget* m_preview; // QVideoWidget при HAVE_STREAM_CAPTURE, иначе текст о недоступности capture.
     bool m_updating = false; // Защита от применения/сохранения промежуточного состояния при перестроении controls.
+    bool m_audioMuted = false; // Сохранённый mute для следующего запуска; во время трансляции синхронизируется с engine.
     QJsonObject m_settings; // Последний сохранённый выбор; source id в base64, окно по имени, режим/codec/audio/cursor/QP отдельно.
     StreamPublishConfig selection() const; // Снимок controls: auto bitrate рассчитан, screen nativeSize и допустимость QP учтены.
     void refreshSources(); // Сохраняет выбранный handle; пропавший active-source не подменяется другим, до start возможен первый доступный.