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-rw-r--r--media/libstagefright/codecs/aacdec/pv_pow2.cpp170
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diff --git a/media/libstagefright/codecs/aacdec/pv_pow2.cpp b/media/libstagefright/codecs/aacdec/pv_pow2.cpp
deleted file mode 100644
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--- a/media/libstagefright/codecs/aacdec/pv_pow2.cpp
+++ /dev/null
@@ -1,170 +0,0 @@
-/* ------------------------------------------------------------------
- * 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.
- * -------------------------------------------------------------------
- */
-/*
-
- Filename: pv_pow2.c
-
-
-------------------------------------------------------------------------------
- REVISION HISTORY
-
-
- Who: Date: MM/DD/YYYY
- Description:
-
-------------------------------------------------------------------------------
- INPUT AND OUTPUT DEFINITIONS
-
-Input
- Int32 x 32-bit integer input Q27
-
-Output
- Int32 32-bit integer in Q25
-
-
-------------------------------------------------------------------------------
- FUNCTION DESCRIPTION
-
- Implement the power base 2 for positive numbers lesser than 5.999999
-------------------------------------------------------------------------------
- REQUIREMENTS
-
-
-------------------------------------------------------------------------------
- REFERENCES
-
-------------------------------------------------------------------------------
- PSEUDO-CODE
-
-------------------------------------------------------------------------------
-*/
-#ifdef AAC_PLUS
-
-/*----------------------------------------------------------------------------
-; INCLUDES
-----------------------------------------------------------------------------*/
-#include "pv_pow2.h"
-#include "fxp_mul32.h"
-
-/*----------------------------------------------------------------------------
-; MACROS
-; Define module specific macros here
-----------------------------------------------------------------------------*/
-
-
-/*----------------------------------------------------------------------------
-; DEFINES
-; Include all pre-processor statements here. Include conditional
-; compile variables also.
-----------------------------------------------------------------------------*/
-
-/*----------------------------------------------------------------------------
-; LOCAL FUNCTION DEFINITIONS
-; Function Prototype declaration
-----------------------------------------------------------------------------*/
-#define POW_2_TABLE_LENGTH 6
-#define POW_2_TABLE_LENGTH_m_2 (POW_2_TABLE_LENGTH - 2)
-
-/*----------------------------------------------------------------------------
-; LOCAL STORE/BUFFER/POINTER DEFINITIONS
-; Variable declaration - defined here and used outside this module
-----------------------------------------------------------------------------*/
-
-#define R_SHIFT 29
-#define Q_fmt(x) (Int32)(x*((Int32)1<<R_SHIFT) + (x>=0?0.5F:-0.5F))
-
-#define Q27fmt(x) (Int32)(x*((Int32)1<<27) + (x>=0?0.5F:-0.5F))
-
-const Int32 pow2_table[6] =
-{
- Q_fmt(0.00224510927441F), Q_fmt(0.00777943379416F),
- Q_fmt(0.05737929218747F), Q_fmt(0.23918017179889F),
- Q_fmt(0.69345251849351F), Q_fmt(0.99996347120248F)
-};
-
-
-/*----------------------------------------------------------------------------
-; EXTERNAL FUNCTION REFERENCES
-; Declare functions defined elsewhere and referenced in this module
-----------------------------------------------------------------------------*/
-
-/*----------------------------------------------------------------------------
-; EXTERNAL GLOBAL STORE/BUFFER/POINTER REFERENCES
-; Declare variables used in this module but defined elsewhere
-----------------------------------------------------------------------------*/
-
-/*----------------------------------------------------------------------------
-; FUNCTION CODE
-----------------------------------------------------------------------------*/
-
-
-/*
- * z in Q27 format
- */
-
-Int32 pv_pow2(Int32 z)
-{
- const Int32 *pt_table = pow2_table;
- Int32 multiplier = 0;
- Int32 shift_factor;
- Int32 i;
- Int32 v_q;
- Int32 y;
-
-
- if (z > Q27fmt(1.0f))
- {
- v_q = z - (z & 0xF8000000);
- shift_factor = z >> 27;
- }
- else
- {
- v_q = z;
- shift_factor = 0;
- }
-
- if (v_q < Q27fmt(0.5f))
- {
- v_q += Q27fmt(0.5f);
- multiplier = Q_fmt(0.70710678118655F);
- }
-
- v_q = v_q << 2;
-
- y = fxp_mul32_Q29(*(pt_table++), v_q);
-
- for (i = POW_2_TABLE_LENGTH_m_2; i != 0; i--)
- {
- y += *(pt_table++);
- y = fxp_mul32_Q29(y, v_q);
- }
- y += *(pt_table++);
-
- if (multiplier)
- {
- y = fxp_mul32_Q29(y, multiplier);
- }
-
- /*
- * returns number on Q25
- */
- return (y >> (4 - shift_factor));
-
-}
-
-#endif