10 files changed, 176 insertions, 7 deletions

diff --git a/ExCameraParameters.cpp b/ExCameraParameters.cpp
index b1c23be..7c86f45 100755
--- a/ExCameraParameters.cpp
+++ b/ExCameraParameters.cpp
@@ -22,8 +22,8 @@
 
 #include <string.h>
 #include <stdlib.h>
-#include <ExCameraParameters.h>
 #include "CameraHal.h"
+#include <ExCameraParameters.h>
 
 namespace android {
 
@@ -198,5 +198,14 @@ const char ExCameraParameters::ORIENTATION_SENSOR_NONE[] = "0";
 const char ExCameraParameters::ORIENTATION_SENSOR_90[] = "90";
 const char ExCameraParameters::ORIENTATION_SENSOR_180[] = "180";
 const char ExCameraParameters::ORIENTATION_SENSOR_270[] = "270";
+#ifdef METADATA_MODE_FOR_PREVIEW_CALLBACK
+ //extensions to add preview callback in metadata mode
+const char ExCameraParameters::KEY_PREVEIW_CALLBACK_IN_METADATA_ENABLE[] = "preview-callback-in-metadata-enable";
+const char ExCameraParameters::KEY_PREVEIW_CALLBACK_IN_METADATA_LENGTH[] = "preview-callback-in-metadata-length";
+const char ExCameraParameters::PREVEIW_CALLBACK_IN_METADATA_ENABLE[] = "1";
+const char ExCameraParameters::PREVEIW_CALLBACK_IN_METADATA_DISABLE[] = "0";
+const char ExCameraParameters::PREVEIW_CALLBACK_IN_METADATA_LENGTH_NONE[] = "0";
+const char ExCameraParameters::PREVEIW_CALLBACK_IN_METADATA_LENGTH[] = "16";
+#endif
 };