Keep normal capture lifecycle synchronous after healthy input

tools/chatgui/src/call_audio_engine.cpp

@@ -129,7 +129,8 @@ void CallAudioEngine::setPlaybackDevice(const QString& id) {
 void CallAudioEngine::setCaptureDevice(const QString& id) {
     if (id == m_captureId) return;
     m_captureId = id;
-    m_capture.closeAsync(); m_voice.stopCapture(); m_capture.retryNow();
+    if (!m_capture.closing()) m_capture.close();
+    m_voice.stopCapture(); m_capture.retryNow();
     m_captureError.clear(); emit captureErrorChanged();
     if (m_active) { call_audio_reset_io(m_callId.load(), 0); recoverDevices(); }
 }
@@ -137,7 +138,8 @@ void CallAudioEngine::setCaptureDevice(const QString& id) {
 void CallAudioEngine::beginEnd(quint64 callId) {
     if (!m_active || m_callId != callId || m_ending) return;
     m_ending = true;
-    m_capture.closeAsync(); m_voice.stopCapture();
+    if (!m_capture.closing()) m_capture.close();
+    m_voice.stopCapture();
     call_audio_begin_end(callId);
     uint64_t generation = m_generation;
     QTimer::singleShot(500, this, [this, generation]() { if (m_generation == generation) stop(); });
@@ -146,7 +148,8 @@ void CallAudioEngine::beginEnd(quint64 callId) {
 void CallAudioEngine::stop() {
     ++m_generation;
     m_active = false;
-    m_capture.closeAsync(); m_voice.stopCapture();
+    if (!m_capture.closing()) m_capture.close();
+    m_voice.stopCapture();
     SoundManager::instance()->detachVoice(&m_voice); m_outputAttached = false;
     m_voice.stop();
     if (m_capture.closing()) m_recoveryTimer.start();

tools/chatgui/src/radio_audio_engine.cpp

@@ -48,7 +48,8 @@ RadioAudioEngine::RadioAudioEngine() {
         auto* manager = SoundManager::instance();
         if (m_captureId != manager->captureDevice()) {
             m_captureId = manager->captureDevice();
-            m_capture.closeAsync(); m_captureError.clear();
+            if (!m_capture.closing()) m_capture.close();
+            m_captureError.clear();
             emit stateChanged();
         }
         if (m_playbackId != manager->playbackDevice()) {
@@ -290,7 +291,7 @@ void RadioAudioEngine::pauseDevices() {
 
 void RadioAudioEngine::stop() {
     m_recoveryTimer.stop();
-    m_capture.closeAsync();
+    if (!m_capture.closing()) m_capture.close();
     SoundManager::instance()->detachVoice(&m_voice); m_outputAttached = false;
     m_voice.stop();
     m_microphone.release();