From e28f3aee8eca3cc7a10935f63899d5c4f6ba1ede Mon Sep 17 00:00:00 2001 From: Jinkun Jang Date: Wed, 13 Mar 2013 01:44:24 +0900 Subject: Tizen 2.1 base --- .../gsm_amr/amr_nb/common/include/mpy_32_16.h | 206 +++++++++++++++++++++ 1 file changed, 206 insertions(+) create mode 100644 opencore/codecs_v2/audio/gsm_amr/amr_nb/common/include/mpy_32_16.h (limited to 'opencore/codecs_v2/audio/gsm_amr/amr_nb/common/include/mpy_32_16.h') diff --git a/opencore/codecs_v2/audio/gsm_amr/amr_nb/common/include/mpy_32_16.h b/opencore/codecs_v2/audio/gsm_amr/amr_nb/common/include/mpy_32_16.h new file mode 100644 index 0000000..33ade51 --- /dev/null +++ b/opencore/codecs_v2/audio/gsm_amr/amr_nb/common/include/mpy_32_16.h @@ -0,0 +1,206 @@ +/* ------------------------------------------------------------------ + * 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: mpy_32_16.h + +------------------------------------------------------------------------------ + INCLUDE DESCRIPTION + + This file contains all the constant definitions and prototype definitions + needed by the Mpy_32_16 function. + +------------------------------------------------------------------------------ +*/ + +/*---------------------------------------------------------------------------- +; CONTINUE ONLY IF NOT ALREADY DEFINED +----------------------------------------------------------------------------*/ +#ifndef MPY_32_16_H +#define MPY_32_16_H + +/*---------------------------------------------------------------------------- +; INCLUDES +----------------------------------------------------------------------------*/ +#include "basicop_malloc.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 + ----------------------------------------------------------------------------*/ +#if defined(PV_ARM_V5) /* Instructions for ARM Assembly on ADS*/ + + __inline Word32 Mpy_32_16(Word16 L_var1_hi, + Word16 L_var1_lo, + Word16 var2, + Flag *pOverflow) + { + + Word32 L_product; + Word32 L_sum; + Word32 result; + + OSCL_UNUSED_ARG(pOverflow); + + __asm {SMULBB L_product, L_var1_hi, var2} + __asm {QDADD L_product, 0, L_product} + __asm {SMULBB result, L_var1_lo, var2} + result >>= 15; + __asm {QDADD L_sum, L_product, result} + return (L_sum); + } + +#elif defined(PV_ARM_GCC_V5) /* Instructions for ARM-linux cross-compiler*/ + + static inline Word32 Mpy_32_16(Word16 L_var1_hi, + Word16 L_var1_lo, + Word16 var2, + Flag *pOverflow) + { + + register Word32 ra = L_var1_hi; + register Word32 rb = L_var1_lo; + register Word32 rc = var2; + Word32 result, L_product; + + OSCL_UNUSED_ARG(pOverflow); + + asm volatile("smulbb %0, %1, %2" + : "=r"(L_product) + : "r"(ra), "r"(rc) + ); + asm volatile("mov %0, #0" + : "=r"(result) + ); + + asm volatile("qdadd %0, %1, %2" + : "=r"(L_product) + : "r"(result), "r"(L_product) + ); + + asm volatile("smulbb %0, %1, %2" + : "=r"(result) + : "r"(rb), "r"(rc) + ); + + asm volatile("mov %0, %1, ASR #15" + : "=r"(ra) + : "r"(result) + ); + asm volatile("qdadd %0, %1, %2" + : "=r"(result) + : "r"(L_product), "r"(ra) + ); + + return (result); + } + +#else /* C_EQUIVALENT */ + static inline Word32 Mpy_32_16(Word16 L_var1_hi, + Word16 L_var1_lo, + Word16 var2, + Flag *pOverflow) + { + + Word32 L_product; + Word32 L_sum; + Word32 result; + L_product = (Word32) L_var1_hi * var2; + + if (L_product != (Word32) 0x40000000L) + { + L_product <<= 1; + } + else + { + *pOverflow = 1; + L_product = MAX_32; + } + + result = ((Word32)L_var1_lo * var2) >> 15; + + L_sum = L_product + (result << 1); + + if ((L_product ^ result) > 0) + { + if ((L_sum ^ L_product) < 0) + { + L_sum = (L_product < 0) ? MIN_32 : MAX_32; + *pOverflow = 1; + } + } + return (L_sum); + + } + +#endif + /*---------------------------------------------------------------------------- + ; END + ----------------------------------------------------------------------------*/ +#ifdef __cplusplus +} +#endif + +#endif /* _MPY_32_16_H_ */ + + -- cgit v1.2.3