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Diffstat (limited to 'media/libstagefright/codecs/amrwb/src/pvamrwbdecoder_basic_op_armv5.h')
| -rw-r--r-- | media/libstagefright/codecs/amrwb/src/pvamrwbdecoder_basic_op_armv5.h | 253 |
1 files changed, 253 insertions, 0 deletions
diff --git a/media/libstagefright/codecs/amrwb/src/pvamrwbdecoder_basic_op_armv5.h b/media/libstagefright/codecs/amrwb/src/pvamrwbdecoder_basic_op_armv5.h new file mode 100644 index 0000000..c800a2e --- /dev/null +++ b/media/libstagefright/codecs/amrwb/src/pvamrwbdecoder_basic_op_armv5.h @@ -0,0 +1,253 @@ +/* ------------------------------------------------------------------ + * 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 26.173 + ANSI-C code for the Adaptive Multi-Rate - Wideband (AMR-WB) speech codec + Available from http://www.3gpp.org + +(C) 2007, 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: ./src/pvamrwbdecoder_basic_op_armv5.h + + Date: 05/07/2007 + +------------------------------------------------------------------------------ + REVISION HISTORY + + Description: +------------------------------------------------------------------------------ + INCLUDE DESCRIPTION + +------------------------------------------------------------------------------ +*/ + +#ifndef PVAMRWBDECODER_BASIC_OP_ARMV5_H +#define PVAMRWBDECODER_BASIC_OP_ARMV5_H + +#ifdef __cplusplus +extern "C" +{ +#endif + + + + + +#if defined(PV_ARM_V5) + + __inline int16 add_int16(int16 var1, int16 var2) + { + int32 L_var_out; + int32 L_var_aux; + + __asm + { + mov L_var_out, var1, lsl #16 + mov L_var_aux, var2, lsl #16 + qadd L_var_out, L_var_out, L_var_aux + mov L_var_out, L_var_out, asr #16 + + } + return L_var_out; + } + + + __inline int16 sub_int16(int16 var1, int16 var2) + { + int32 L_var_out; + int32 L_var_aux; + + __asm + { + mov L_var_out, var1, lsl #16 + mov L_var_aux, var2, lsl #16 + qsub L_var_out, L_var_out, L_var_aux + mov L_var_out, L_var_out, asr #16 + + } + return L_var_out; + } + + + __inline int32 add_int32(int32 L_var1, int32 L_var2) + { + int32 L_var_out; + + __asm + { + qadd L_var_out, L_var1, L_var2 + } + return L_var_out; + } + + + __inline int32 mac_16by16_to_int32(int32 L_var3, int16 var1, int16 var2) + { + int32 L_var_out; + + + __asm + { + smulbb L_var_out, var1, var2 + qdadd L_var_out, L_var3, L_var_out + } + return L_var_out; + } + + __inline int32 sub_int32(int32 L_var1, int32 L_var2) + { + int32 L_var_out; + + __asm + { + qsub L_var_out, L_var1, L_var2 + } + return L_var_out; + } + + __inline int32 msu_16by16_from_int32(int32 L_var3, int16 var1, int16 var2) + { + int32 L_var_out; + + + __asm + { + smulbb L_var_out, var1, var2 + qdsub L_var_out, L_var3, L_var_out + } + return L_var_out; + } + + __inline int32 mul_16by16_to_int32(int16 var1, int16 var2) + { + int32 L_var_out; + + __asm + { + smulbb L_var_out, var1, var2 + qadd L_var_out, L_var_out, L_var_out + } + return L_var_out; + } + + __inline int16 mult_int16(int16 var1, int16 var2) + { + int32 L_var_out; + + __asm + { + smulbb L_var_out, var1, var2 + mov L_var_out, L_var_out, asr #15 + } + return L_var_out; + } + + + __inline int16 amr_wb_round(int32 L_var1) + { + int32 L_var_out; + + __asm + { + qadd L_var_out, L_var1, (int32) 0x00008000L + mov L_var_out, L_var_out, asr #16 + } + return L_var_out; + } + + + + __inline int16 amr_wb_shl1_round(int32 L_var1) + { + int32 L_var_out; + + __asm + { + qadd L_var_out, L_var1, L_var1 + qadd L_var_out, L_var_out, (int32) 0x00008000L + mov L_var_out, L_var_out, asr #16 + } + return L_var_out; + } + + __inline int32 mul_32by16(int16 hi, int16 lo, int16 n) + { + int32 H_32; + int32 L_32; + __asm + { + smulbb H_32, hi, n + smulbb L_32, lo, n + add H_32, H_32, L_32, asr #15 + qadd H_32, H_32, H_32 + } + + return (H_32); + } + + __inline int32 fxp_mac_16by16(const int16 var1, const int16 var2, int32 L_add) + { + __asm + { + smlabb L_add, var1, var2, L_add + } + return (L_add); + } + + __inline int32 fxp_mul_16by16(int16 var1, const int16 var2) + { + int32 L_mult; + __asm + { + smulbb L_mult, var1, var2 + } + return (L_mult); + } + + __inline int32 fxp_mul32_by_16b(int32 L_var1, const int32 L_var2) + { + int32 L_mult; + __asm + { + smulwb L_mult, L_var1, L_var2 + } + + return L_mult; + } + + +#endif + +#ifdef __cplusplus +} +#endif + + + + +#endif /* PVAMRWBDECODER_BASIC_OP_ARMV5_H */ + |