feat(src/components/call/CallModel): add a `cameraFirstFrameReceived`

linphone-desktop/src/components/call/CallModel.cpp

@@ -104,6 +104,15 @@ void CallModel::updateStats (const shared_ptr<const linphone::CallStats> &callSt
 
 // -----------------------------------------------------------------------------
 
+void CallModel::notifyCameraFirstFrameReceived (unsigned int width, unsigned int height) {
+  if (mNotifyCameraFirstFrameReceived) {
+    mNotifyCameraFirstFrameReceived = false;
+    emit cameraFirstFrameReceived(width, height);
+  }
+}
+
+// -----------------------------------------------------------------------------
+
 void CallModel::accept () {
   stopAutoAnswerTimer();
 
@@ -231,10 +240,12 @@ void CallModel::handleCallStateChanged (const shared_ptr<linphone::Call> &call,
       break;
 
     case linphone::CallStatePausedByRemote:
+      mNotifyCameraFirstFrameReceived = true;
       mPausedByRemote = true;
       break;
 
     case linphone::CallStatePausing:
+      mNotifyCameraFirstFrameReceived = true;
       mPausedByUser = true;
       break;
 

linphone-desktop/src/components/call/CallModel.hpp

@@ -98,6 +98,8 @@ public:
   static void setRecordFile (std::shared_ptr<linphone::CallParams> &callParams);
   void updateStats (const std::shared_ptr<const linphone::CallStats> &callStats);
 
+  void notifyCameraFirstFrameReceived (unsigned int width, unsigned int height);
+
   Q_INVOKABLE void accept ();
   Q_INVOKABLE void acceptWithVideo ();
   Q_INVOKABLE void terminate ();
@@ -127,6 +129,8 @@ signals:
   void videoRequested ();
   void securityUpdated ();
 
+  void cameraFirstFrameReceived (unsigned int width, unsigned int height);
+
 private:
   void handleCallStateChanged (const std::shared_ptr<linphone::Call> &call, linphone::CallState state);
 
@@ -183,6 +187,8 @@ private:
   bool mPausedByUser = false;
   bool mRecording = false;
 
+  bool mNotifyCameraFirstFrameReceived = true;
+
   QString mCallError;
 
   QVariantList mAudioStats;

linphone-desktop/src/components/camera/Camera.cpp

@@ -104,8 +104,11 @@ void CameraRenderer::render () {
 
     if (mIsPreview)
       coreManager->getCore()->previewOglRender();
-    else if (mCall)
+    else if (mCall) {
       mCall->oglRender();
+      if (mNotifyReceivedVideoSize && notifyReceivedVideoSize())
+        mNotifyReceivedVideoSize = false;
+    }
 
     msFunctions->bind(nullptr);
     coreManager->unlockVideoRender();
@@ -148,6 +151,26 @@ void CameraRenderer::updateWindowId () {
     mCall->setNativeVideoWindowId(mContextInfo);
 }
 
+bool CameraRenderer::notifyReceivedVideoSize () const {
+  shared_ptr<const linphone::VideoDefinition> videoDefinition = mCall->getCurrentParams()->getReceivedVideoDefinition();
+  unsigned int width = videoDefinition->getWidth();
+  unsigned int height = videoDefinition->getHeight();
+
+  if (width && height) {
+    qInfo() << "Thread" << QThread::currentThread() << QStringLiteral("Received video size (width: %1, height: %2):")
+      .arg(width).arg(height) << mContextInfo;
+
+    CallModel *callModel = &mCall->getData<CallModel>("call-model");
+    QTimer::singleShot(0, callModel, [callModel, width, height] {
+      callModel->notifyCameraFirstFrameReceived(width, height);
+    });
+
+    return true;
+  }
+
+  return false;
+}
+
 // -----------------------------------------------------------------------------
 
 Camera::Camera (QQuickItem *parent) : QQuickFramebufferObject(parent) {

linphone-desktop/src/components/camera/Camera.hpp

@@ -31,7 +31,6 @@
 // =============================================================================
 
 class CallModel;
-class Camera;
 struct ContextInfo;
 
 namespace linphone {
@@ -39,8 +38,6 @@ namespace linphone {
 }
 
 class CameraRenderer : public QQuickFramebufferObject::Renderer {
-  friend class Camera;
-
 public:
   CameraRenderer ();
   ~CameraRenderer ();
@@ -52,10 +49,12 @@ protected:
 
 private:
   void updateWindowId ();
+  bool notifyReceivedVideoSize () const;
 
   ContextInfo *mContextInfo;
   bool mUpdateContextInfo = false;
 
+  bool mNotifyReceivedVideoSize = true;
   bool mIsPreview = false;
   std::shared_ptr<linphone::Call> mCall;