1 files changed, 124 insertions, 0 deletions
diff --git a/media/libstagefright/codecs/amrnb/dec/src/a_refl.h b/media/libstagefright/codecs/amrnb/dec/src/a_refl.h
new file mode 100644
index 0000000..4028e1e
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+++ b/media/libstagefright/codecs/amrnb/dec/src/a_refl.h
@@ -0,0 +1,124 @@
+/* ------------------------------------------------------------------
+ * 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.
+****************************************************************************************/
+/*
+------------------------------------------------------------------------------
+
+
+
+ Filename: /audio/gsm_amr/c/include/a_refl.h
+
+     Date: 08/11/2000
+
+------------------------------------------------------------------------------
+ REVISION HISTORY
+
+ Description: Moved _cplusplus #ifdef after Include section.
+
+ Description:
+
+------------------------------------------------------------------------------
+ INCLUDE DESCRIPTION
+
+    File             : a_refl.h
+    Purpose          : Convert from direct form coefficients to
+                       reflection coefficients
+
+------------------------------------------------------------------------------
+*/
+
+#ifndef A_REFL_H
+#define A_REFL_H
+#define a_refl_h "$Id $"
+
+/*----------------------------------------------------------------------------
+; INCLUDES
+----------------------------------------------------------------------------*/
+#include "typedef.h"
+
+/*--------------------------------------------------------------------------*/
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+    /*----------------------------------------------------------------------------
+    ; 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
+    ----------------------------------------------------------------------------*/
+
+    /*----------------------------------------------------------------------------
+    ; GLOBAL FUNCTION DEFINITIONS
+    ; Function Prototype declaration
+    ----------------------------------------------------------------------------*/
+    /*
+     *   FUNCTION:  A_Refl()
+     *   PURPOSE: Convert from direct form coefficients to reflection coefficients
+     *   DESCRIPTION:
+     *       Directform coeffs in Q12 are converted to
+     *       reflection coefficients Q15
+     */
+    void A_Refl(
+        Word16 a[],        /* i   : Directform coefficients */
+        Word16 refl[],     /* o   : Reflection coefficients */
+        Flag   *pOverflow
+    );
+
+    /*----------------------------------------------------------------------------
+    ; END
+    ----------------------------------------------------------------------------*/
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _A_REFL_H_ */
+
+
+