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diff --git a/media/libeffects/lvm/lib/Common/lib/AGC.h b/media/libeffects/lvm/lib/Common/lib/AGC.h
new file mode 100755
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+++ b/media/libeffects/lvm/lib/Common/lib/AGC.h
@@ -0,0 +1,92 @@
+/*
+ * Copyright (C) 2004-2010 NXP Software
+ * Copyright (C) 2010 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.
+ */
+
+/**********************************************************************************
+
+     $Author: beq07716 $
+     $Revision: 1000 $
+     $Date: 2010-06-28 13:08:20 +0200 (Mon, 28 Jun 2010) $
+
+***********************************************************************************/
+
+#ifndef __AGC_H__
+#define __AGC_H__
+
+
+#ifdef __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+
+/**********************************************************************************/
+/*                                                                                */
+/*    Includes                                                                    */
+/*                                                                                */
+/**********************************************************************************/
+
+#include "LVM_Types.h"
+
+
+/**********************************************************************************/
+/*                                                                                */
+/*    Types                                                                       */
+/*                                                                                */
+/**********************************************************************************/
+
+typedef struct
+{
+    LVM_INT32  AGC_Gain;                        /* The current AGC gain */
+    LVM_INT32  AGC_MaxGain;                     /* The maximum AGC gain */
+    LVM_INT32  Volume;                          /* The current volume setting */
+    LVM_INT32  Target;                          /* The target volume setting */
+    LVM_INT32  AGC_Target;                      /* AGC target level */
+    LVM_INT16  AGC_Attack;                      /* AGC attack scaler */
+    LVM_INT16  AGC_Decay;                       /* AGC decay scaler */
+    LVM_INT16  AGC_GainShift;                   /* The gain shift */
+    LVM_INT16  VolumeShift;                     /* Volume shift scaling */
+    LVM_INT16  VolumeTC;                        /* Volume update time constant */
+
+} AGC_MIX_VOL_2St1Mon_D32_t;
+
+
+/**********************************************************************************/
+/*                                                                                */
+/*    Function Prototypes                                                              */
+/*                                                                                */
+/**********************************************************************************/
+
+void AGC_MIX_VOL_2St1Mon_D32_WRA(AGC_MIX_VOL_2St1Mon_D32_t  *pInstance,     /* Instance pointer */
+                                 const LVM_INT32            *pStSrc,        /* Stereo source */
+                                 const LVM_INT32            *pMonoSrc,      /* Mono source */
+                                 LVM_INT32                  *pDst,          /* Stereo destination */
+                                 LVM_UINT16                 n);             /* Number of samples */
+
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
+
+
+#endif  /* __AGC_H__ */
+
+
+
+
+
+
+
+
+
+