Initial commit

Lts/Plugins/BuildingViewer/Common/BgViewer/viewerCtrl/videocomponent.cpp

@@ -0,0 +1,66 @@
+#include "videocomponent.h"
+
+#include <dtEntity/commandmessages.h>
+#include <dtEntity/systemmessages.h>
+#include <dtEntity/entity.h>
+#include <dtEntity/stringid.h>
+#include <dtEntityOSG/cameracomponent.h>
+#include "windowcapturecallback.h"
+
+namespace VCtrl
+{
+
+////////////////////////////////////////////////////////////////////////////
+const dtEntity::StringId VideoSystem::TYPE(dtEntity::SID("Video"));
+
+
+////////////////////////////////////////////////////////////////////////////
+bool VideoSystem::StartVideoRecording(unsigned int contextid, const std::string &path, int w, int h, int framerate, int quality)
+{
+  if (mWindowCaptureCallback.valid())
+  {
+    LOG_ERROR("Cannot start video recording, already started!");
+    return false;
+  }
+  StopVideoRecording(contextid);
+
+  dtEntityOSG::CameraSystem *cs;
+  GetEntityManager().GetES(cs);
+
+  dtEntity::EntityId camid = cs ? cs->GetCameraEntityByContextId(contextid) : 0;
+
+  dtEntityOSG::CameraComponent *camcomp;
+  if (camid == 0 || !GetEntityManager().GetComponent(camid, camcomp))
+  {
+    LOG_ERROR("Cannot set up video stream, camera not found");
+    return false;
+  }
+
+  mWindowCaptureCallback = new WindowCaptureCallback(GL_BACK, contextid, path, w, h, framerate, quality);
+
+  camcomp->GetCamera()->setFinalDrawCallback(mWindowCaptureCallback);
+
+  return true;
+}
+
+////////////////////////////////////////////////////////////////////////////
+bool VideoSystem::StopVideoRecording(unsigned int contextid)
+{
+  if (mWindowCaptureCallback.valid())
+  {
+    dtEntityOSG::CameraSystem *camsys;
+    if (GetEntityManager().GetES(camsys))
+    {
+      dtEntity::EntityId camid = camsys->GetCameraEntityByContextId(contextid);
+      if (camid != 0)
+      {
+        dtEntityOSG::CameraComponent *cam;
+        if (GetEntityManager().GetComponent(camid, cam))
+          cam->GetCamera()->setFinalDrawCallback(nullptr);
+      }
+    }
+    mWindowCaptureCallback = nullptr;
+  }
+  return true;
+}
+}