Initial Contribution
diff --git a/Embedded/common/src/b_BitFeatureEm/I04Dns2x2Ftr.h b/Embedded/common/src/b_BitFeatureEm/I04Dns2x2Ftr.h
new file mode 100644
index 0000000..f8888ae
--- /dev/null
+++ b/Embedded/common/src/b_BitFeatureEm/I04Dns2x2Ftr.h
@@ -0,0 +1,112 @@
+/*
+ * Copyright (C) 2008 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef bbf_I04_DNS_2X2_FTR_EM_H
+#define bbf_I04_DNS_2X2_FTR_EM_H
+
+/* ---- includes ----------------------------------------------------------- */
+
+#include "b_BasicEm/Context.h"
+#include "b_BasicEm/Basic.h"
+#include "b_BasicEm/UInt32Arr.h"
+#include "b_BasicEm/Int16Arr.h"
+#include "b_BasicEm/MemTbl.h"
+#include "b_BitFeatureEm/Feature.h"
+
+/* ---- related objects --------------------------------------------------- */
+
+/* ---- typedefs ----------------------------------------------------------- */
+
+/* ---- constants ---------------------------------------------------------- */
+
+/* data format version number */
+#define bbf_I04_DNS_2X2_FTR_VERSION 100
+
+/* ---- object definition -------------------------------------------------- */
+
+/** discrete feature set */
+struct bbf_I04Dns2x2Ftr
+{
+ /* ---- private data --------------------------------------------------- */
+
+ /* ---- public data ---------------------------------------------------- */
+
+ /** base element */
+ struct bbf_Feature baseE;
+
+ /** pattern array */
+ struct bbs_UInt32Arr ptnArrE;
+
+ /** look up table of weights */
+ struct bbs_Int16Arr tableE;
+
+ /** factor to convert activity to proper range (.36) */
+ int32 activityFactorE;
+};
+
+/* ---- associated objects ------------------------------------------------- */
+
+/* ---- external functions ------------------------------------------------- */
+
+/* ---- \ghd{ constructor/destructor } ------------------------------------- */
+
+/** initializes bbf_I04Dns2x2Ftr */
+void bbf_I04Dns2x2Ftr_init( struct bbs_Context* cpA,
+ struct bbf_I04Dns2x2Ftr* ptrA );
+
+/** resets bbf_I04Dns2x2Ftr */
+void bbf_I04Dns2x2Ftr_exit( struct bbs_Context* cpA,
+ struct bbf_I04Dns2x2Ftr* ptrA );
+
+/* ---- \ghd{ operators } -------------------------------------------------- */
+
+/** copy operator */
+void bbf_I04Dns2x2Ftr_copy( struct bbs_Context* cpA,
+ struct bbf_I04Dns2x2Ftr* ptrA,
+ const struct bbf_I04Dns2x2Ftr* srcPtrA );
+
+/** equal operator */
+flag bbf_I04Dns2x2Ftr_equal( struct bbs_Context* cpA,
+ const struct bbf_I04Dns2x2Ftr* ptrA,
+ const struct bbf_I04Dns2x2Ftr* srcPtrA );
+
+/* ---- \ghd{ query functions } -------------------------------------------- */
+
+/* ---- \ghd{ modify functions } ------------------------------------------- */
+
+/* ---- \ghd{ memory I/O } ------------------------------------------------- */
+
+/** word size (16-bit) object needs when written to memory */
+uint32 bbf_I04Dns2x2Ftr_memSize( struct bbs_Context* cpA,
+ const struct bbf_I04Dns2x2Ftr* ptrA );
+
+/** writes object to memory; returns number of words (16-bit) written */
+uint32 bbf_I04Dns2x2Ftr_memWrite( struct bbs_Context* cpA,
+ const struct bbf_I04Dns2x2Ftr* ptrA, uint16* memPtrA );
+
+/** reads object from memory; returns number of words (16-bit) read */
+uint32 bbf_I04Dns2x2Ftr_memRead( struct bbs_Context* cpA,
+ struct bbf_I04Dns2x2Ftr* ptrA,
+ const uint16* memPtrA,
+ struct bbs_MemTbl* mtpA );
+
+/* ---- \ghd{ exec functions } --------------------------------------------- */
+
+/** computes feature's activity (4.28) on the given patch */
+int32 bbf_I04Dns2x2Ftr_activity( const struct bbf_Feature* ptrA, const uint32* patchA );
+
+#endif /* bbf_I04_DNS_2X2_FTR_EM_H */
+