Some more changes from previous commit.

git-svn-id: svn+ssh://svn.code.sf.net/p/facetracknoir/code@58 19e81ba0-9b1a-49c3-bd6c-561e1906d5fb

1 files changed, 11 insertions, 2 deletions

diff --git a/faceAPI/main.cpp b/faceAPI/main.cpp
index 3b260dca..e60535fe 100644
--- a/faceAPI/main.cpp
+++ b/faceAPI/main.cpp
@@ -209,6 +209,8 @@ smCameraHandle createFirstCamera()
 void run()

 {

 	char msg[100];

+	int state;

+

 	// Capture control-C

 //    signal(SIGINT, CtrlCHandler);

 

@@ -334,7 +336,7 @@ void run()
     smWindowHandle win_handle = 0;

     THROW_ON_ERROR(smVideoDisplayGetWindowHandle(video_display_handle,&win_handle));    

     SetWindowText(win_handle, _T("faceAPI Video-widget"));

-	MoveWindow(win_handle, 0, 0, 250, 150, true);

+	MoveWindow(win_handle, 0, 0, 250, 180, true);

 

     // Loop on the keyboard

     while (processKeyPress(engine_handle, video_display_handle) && !stopCommand)

@@ -372,7 +374,14 @@ void run()
 		if (pMemData) {

 			switch (pMemData->command) {

 				case FT_SM_START:

-					THROW_ON_ERROR(smEngineStart(engine_handle));		// Start tracking

+

+					//

+					// Only execute Start, if the engine is not yet tracking.

+					//

+					THROW_ON_ERROR(smEngineGetState(engine_handle, &state));

+					if (state != SM_API_ENGINE_STATE_HT_TRACKING) {

+						THROW_ON_ERROR(smEngineStart(engine_handle));	// Start tracking

+					}

 					pMemData->command = 0;								// Reset

 					break;