diff --git a/camera/gstCamera.cpp b/camera/gstCamera.cpp
index 282c975..82350f9 100644
--- a/camera/gstCamera.cpp
+++ b/camera/gstCamera.cpp
@@ -43,6 +43,7 @@ const char* gstCameraSrcToString( gstCameraSrc src )
 	if( src == GST_SOURCE_NVCAMERA )		return "GST_SOURCE_NVCAMERA";
 	else if( src == GST_SOURCE_NVARGUS )	return "GST_SOURCE_NVARGUS";
 	else if( src == GST_SOURCE_V4L2 )		return "GST_SOURCE_V4L2";
+	else if (src == GST_SOURCE_USERPIPELINE)	return "GST_SOURCE_USERPIPELINE";
 
 	return "UNKNOWN";
 }
@@ -423,7 +424,7 @@ bool gstCamera::buildLaunchStr( gstCameraSrc src )
 		
 		ss << "video/x-raw ! appsink name=mysink";
 	}
-	else
+	else if( GST_SOURCE_V4L2 == src )
 	{
 		ss << "v4l2src device=" << mCameraStr << " ! ";
 		ss << "video/x-raw, width=(int)" << mWidth << ", height=(int)" << mHeight << ", "; 
@@ -438,7 +439,14 @@ bool gstCamera::buildLaunchStr( gstCameraSrc src )
 
 		mSource = GST_SOURCE_V4L2;
 	}
-	
+	else // GST_SOURCE_USERPIPELINE
+        {
+		ss << mCameraStr;
+		ss << " ! videoconvert ! video/x-raw, format=RGB, width=(int)" << mWidth << ", height=(int)" << mHeight << " ! "; 
+		ss << "appsink name=mysink";
+		mSource = GST_SOURCE_USERPIPELINE;
+	}
+
 	mLaunchStr = ss.str();
 
 	printf(LOG_GSTREAMER "gstCamera pipeline string:\n");
@@ -477,8 +485,10 @@ bool gstCamera::parseCameraStr( const char* camera )
 		return true;
 	}
 
-	printf(LOG_GSTREAMER "gstCamera::Create('%s') -- invalid camera device requested\n", camera);
-	return false;
+	printf(LOG_GSTREAMER "gstCamera::Create('%s') as user pipeline, may fail...\n", camera);
+
+	mCameraStr = camera;
+	return true;
 }
 
 
diff --git a/camera/gstCamera.h b/camera/gstCamera.h
index e148c15..8d00dfe 100644
--- a/camera/gstCamera.h
+++ b/camera/gstCamera.h
@@ -42,7 +42,8 @@ enum gstCameraSrc
 {
 	GST_SOURCE_NVCAMERA,	/* use nvcamerasrc element */
 	GST_SOURCE_NVARGUS,		/* use nvargussrc element */
-	GST_SOURCE_V4L2		/* use v4l2src element */
+	GST_SOURCE_V4L2,		/* use v4l2src element */
+	GST_SOURCE_USERPIPELINE		/* use user pipeline */
 };
 
 /**