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diff --git a/media/libstagefright/codecs/amrnb/common/include/gsm_amr_typedefs.h b/media/libstagefright/codecs/amrnb/common/include/gsm_amr_typedefs.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.
+ * -------------------------------------------------------------------
+ */
+/****************************************************************************************
+Portions of this file are derived from the following 3GPP standard:
+
+ 3GPP TS 26.073
+ ANSI-C code for the Adaptive Multi-Rate (AMR) speech codec
+ Available from http://www.3gpp.org
+
+(C) 2004, 3GPP Organizational Partners (ARIB, ATIS, CCSA, ETSI, TTA, TTC)
+Permission to distribute, modify and use this file under the standard license
+terms listed above has been obtained from the copyright holder.
+****************************************************************************************/
+/*
+
+ Pathname: codecs/audio/gsm_amr/gsm_two_way/c/include/gsm_amr_typedefs.h
+
+------------------------------------------------------------------------------
+ REVISION HISTORY
+
+
+ Description: Removed unused defintions and corrected ifdef, that depended on
+ incorrect typedef
+
+------------------------------------------------------------------------------
+ INCLUDE DESCRIPTION
+
+ This file contains the definition of the amr codec types.
+
+------------------------------------------------------------------------------
+*/
+#ifndef GSM_AMR_TYPEDEFS_H
+#define GSM_AMR_TYPEDEFS_H
+
+/*----------------------------------------------------------------------------
+; INCLUDES
+----------------------------------------------------------------------------*/
+
+#include <stdint.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
+----------------------------------------------------------------------------*/
+
+typedef int8_t Word8;
+typedef uint8_t UWord8;
+
+
+/*----------------------------------------------------------------------------
+; Define 16 bit signed and unsigned words
+----------------------------------------------------------------------------*/
+
+typedef int16_t Word16;
+typedef uint16_t UWord16;
+
+/*----------------------------------------------------------------------------
+; Define 32 bit signed and unsigned words
+----------------------------------------------------------------------------*/
+
+typedef int32_t Word32;
+typedef uint32_t UWord32;
+
+
+/*----------------------------------------------------------------------------
+; Define boolean type
+----------------------------------------------------------------------------*/
+typedef int Bool;
+
+#ifndef FALSE
+#define FALSE 0
+#endif
+
+#ifndef TRUE
+#define TRUE 1
+#endif
+
+#ifndef OFF
+#define OFF 0
+#endif
+
+#ifndef ON
+#define ON 1
+#endif
+
+#ifndef NO
+#define NO 0
+#endif
+
+#ifndef YES
+#define YES 1
+#endif
+
+#ifndef SUCCESS
+#define SUCCESS 0
+#endif
+
+#ifndef NULL
+#define NULL 0
+#endif
+
+typedef int32_t Flag;
+
+#endif /* GSM_AMR_TYPEDEFS_H */