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diff --git a/media/libstagefright/codecs/mp3dec/src/pvmp3_alias_reduction.h b/media/libstagefright/codecs/mp3dec/src/pvmp3_alias_reduction.h
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+/* ------------------------------------------------------------------
+ * Copyright (C) 1998-2009 PacketVideo
+ *
+ * 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.
+ * -------------------------------------------------------------------
+ */
+/*
+------------------------------------------------------------------------------
+   PacketVideo Corp.
+   MP3 Decoder Library
+
+   Filename: pvmp3_alias_reduction.h
+
+     Date: 09/21/2007
+
+------------------------------------------------------------------------------
+ REVISION HISTORY
+
+ Description:
+
+------------------------------------------------------------------------------
+ INCLUDE DESCRIPTION
+
+------------------------------------------------------------------------------
+*/
+
+/*----------------------------------------------------------------------------
+; CONTINUE ONLY IF NOT ALREADY DEFINED
+----------------------------------------------------------------------------*/
+#ifndef PVMP3_ALIAS_REDUCTION_H
+#define PVMP3_ALIAS_REDUCTION_H
+
+/*----------------------------------------------------------------------------
+; INCLUDES
+----------------------------------------------------------------------------*/
+#include "pvmp3_dec_defs.h"
+#include "pvmp3_audio_type_defs.h"
+
+/*----------------------------------------------------------------------------
+; MACROS
+; Define module specific macros here
+----------------------------------------------------------------------------*/
+
+/*----------------------------------------------------------------------------
+; DEFINES
+; Include all pre-processor statements here.
+----------------------------------------------------------------------------*/
+
+/*----------------------------------------------------------------------------
+; EXTERNAL VARIABLES REFERENCES
+; Declare variables used in this module but defined elsewhere
+----------------------------------------------------------------------------*/
+
+/*----------------------------------------------------------------------------
+; SIMPLE TYPEDEF'S
+----------------------------------------------------------------------------*/
+
+/*----------------------------------------------------------------------------
+; ENUMERATED TYPEDEF'S
+----------------------------------------------------------------------------*/
+
+/*----------------------------------------------------------------------------
+; STRUCTURES TYPEDEF'S
+----------------------------------------------------------------------------*/
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+    void pvmp3_alias_reduction(int32 *input_buffer,
+    granuleInfo *gr_info,
+    int32 *used_freq_lines,
+    mp3Header *info);
+
+#ifdef __cplusplus
+}
+#endif
+
+/*----------------------------------------------------------------------------
+; GLOBAL FUNCTION DEFINITIONS
+; Function Prototype declaration
+----------------------------------------------------------------------------*/
+
+/*----------------------------------------------------------------------------
+; END
+----------------------------------------------------------------------------*/
+
+#endif
+