1 files changed, 54 insertions, 3 deletions

diff --git a/camera/OMXCameraAdapter/OMXCameraAdapter.cpp b/camera/OMXCameraAdapter/OMXCameraAdapter.cpp
index 4495d50..976fe8f 100755
--- a/camera/OMXCameraAdapter/OMXCameraAdapter.cpp
+++ b/camera/OMXCameraAdapter/OMXCameraAdapter.cpp
@@ -1757,6 +1757,7 @@ status_t OMXCameraAdapter::startPreview()
     OMX_ERRORTYPE eError = OMX_ErrorNone;
     OMXCameraPortParameters *mPreviewData = NULL;
     OMXCameraPortParameters *measurementData = NULL;
+    OMX_CONFIG_EXTRADATATYPE extraDataControl;
 
     LOG_FUNCTION_NAME;
 
@@ -1863,6 +1864,22 @@ status_t OMXCameraAdapter::startPreview()
 
         }
 
+    // Enable Ancillary data. The nDCCStatus field is used to signify
+    // whether the preview frame is a snapshot
+    if ( OMX_ErrorNone == eError)
+        {
+        OMX_INIT_STRUCT_PTR (&extraDataControl, OMX_CONFIG_EXTRADATATYPE);
+        extraDataControl.nPortIndex = OMX_ALL;
+        extraDataControl.eExtraDataType = OMX_AncillaryData;
+        extraDataControl.bEnable = OMX_TRUE;
+
+        eError =  OMX_SetConfig(mCameraAdapterParameters.mHandleComp,
+                               ( OMX_INDEXTYPE ) OMX_IndexConfigOtherExtraDataControl,
+                               &extraDataControl);
+        GOTO_EXIT_IF((eError!=OMX_ErrorNone), eError);
+        }
+
+
     if ( mPending3Asettings )
         apply3Asettings(mParameters3A);
 
@@ -2878,6 +2895,10 @@ OMX_ERRORTYPE OMXCameraAdapter::OMXCameraAdapterFillBufferDone(OMX_IN OMX_HANDLE
     sp<CameraFDResult> fdResult = NULL;
     unsigned int mask = 0xFFFF;
     CameraFrame cameraFrame;
+    OMX_TI_PLATFORMPRIVATE *platformPrivate;
+    OMX_OTHER_EXTRADATATYPE *extraData;
+    OMX_TI_ANCILLARYDATATYPE *ancillaryData;
+    bool snapshotFrame = false;
 
     res1 = res2 = NO_ERROR;
     pPortParam = &(mCameraAdapterParameters.mCameraPortParams[pBuffHeader->nOutputPortIndex]);
@@ -2895,6 +2916,19 @@ OMX_ERRORTYPE OMXCameraAdapter::OMXCameraAdapterFillBufferDone(OMX_IN OMX_HANDLE
             return OMX_ErrorNone;
             }
 
+        if ( mWaitingForSnapshot )
+            {
+            platformPrivate = (OMX_TI_PLATFORMPRIVATE*) pBuffHeader->pPlatformPrivate;
+            extraData = getExtradata((OMX_OTHER_EXTRADATATYPE*) platformPrivate->pMetaDataBuffer,
+                    (OMX_EXTRADATATYPE) OMX_AncillaryData);
+
+            if ( NULL != extraData )
+                {
+                ancillaryData = (OMX_TI_ANCILLARYDATATYPE*) extraData->data;
+                snapshotFrame = ancillaryData->nDCCStatus;
+                }
+            }
+
         recalculateFPS();
 
             {
@@ -2914,15 +2948,15 @@ OMX_ERRORTYPE OMXCameraAdapter::OMXCameraAdapterFillBufferDone(OMX_IN OMX_HANDLE
             }
 
         ///Prepare the frames to be sent - initialize CameraFrame object and reference count
-        if( mWaitingForSnapshot &&  (mCapturedFrames > 0) )
+        if( mWaitingForSnapshot &&  (mCapturedFrames > 0) && snapshotFrame )
             {
             typeOfFrame = CameraFrame::SNAPSHOT_FRAME;
             mask = (unsigned int)CameraFrame::SNAPSHOT_FRAME;
             }
         else
             {
-              typeOfFrame = CameraFrame::PREVIEW_FRAME_SYNC;
-              mask = (unsigned int)CameraFrame::PREVIEW_FRAME_SYNC;
+            typeOfFrame = CameraFrame::PREVIEW_FRAME_SYNC;
+            mask = (unsigned int)CameraFrame::PREVIEW_FRAME_SYNC;
             }
 
         if (mRecording)
@@ -3322,6 +3356,23 @@ bool OMXCameraAdapter::OMXCallbackHandler::Handler()
     return false;
 }
 
+OMX_OTHER_EXTRADATATYPE *OMXCameraAdapter::getExtradata(OMX_OTHER_EXTRADATATYPE *extraData, OMX_EXTRADATATYPE type)
+{
+  if ( NULL != extraData )
+      {
+      while ( extraData->nDataSize != 0 )
+          {
+          if ( type == extraData->eType )
+              {
+              return extraData;
+              }
+          extraData = (OMX_OTHER_EXTRADATATYPE*) ((char*)extraData + extraData->nSize);
+          }
+      }
+  // Required extradata type wasn't found
+  return NULL;
+}
+
 OMXCameraAdapter::OMXCameraAdapter(size_t sensor_index): mComponentState (OMX_StateLoaded)
 {
     LOG_FUNCTION_NAME;