| /* ------------------------------------------------------------------ |
| * 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/qgain795.h |
| |
| Date: 02/05/2002 |
| |
| ------------------------------------------------------------------------------ |
| REVISION HISTORY |
| |
| Description: Placed header file in the proper template format. Added |
| parameter pOverflow for the basic math ops. |
| |
| Description: Moved _cplusplus #ifdef after Include section. |
| |
| Description: |
| |
| ------------------------------------------------------------------------------ |
| INCLUDE DESCRIPTION |
| |
| This file contains all the constant definitions and prototype definitions |
| needed by the file, qgain795.c |
| |
| ------------------------------------------------------------------------------ |
| */ |
| |
| /*---------------------------------------------------------------------------- |
| ; CONTINUE ONLY IF NOT ALREADY DEFINED |
| ----------------------------------------------------------------------------*/ |
| #ifndef qgain795_h |
| #define qgain795_h "$Id $" |
| |
| /*---------------------------------------------------------------------------- |
| ; INCLUDES |
| ----------------------------------------------------------------------------*/ |
| #include "typedef.h" |
| #include "g_adapt.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 |
| ----------------------------------------------------------------------------*/ |
| void |
| MR795_gain_quant( |
| GainAdaptState *adapt_st, /* i/o: gain adapter state structure */ |
| Word16 res[], /* i : LP residual, Q0 */ |
| Word16 exc[], /* i : LTP excitation (unfiltered), Q0 */ |
| Word16 code[], /* i : CB innovation (unfiltered), Q13 */ |
| Word16 frac_coeff[], /* i : coefficients (5), Q15 */ |
| Word16 exp_coeff[], /* i : energy coefficients (5), Q0 */ |
| /* coefficients from calc_filt_ener() */ |
| Word16 exp_code_en, /* i : innovation energy (exponent), Q0 */ |
| Word16 frac_code_en, /* i : innovation energy (fraction), Q15 */ |
| Word16 exp_gcode0, /* i : predicted CB gain (exponent), Q0 */ |
| Word16 frac_gcode0, /* i : predicted CB gain (fraction), Q15 */ |
| Word16 L_subfr, /* i : Subframe length */ |
| Word16 cod_gain_frac, /* i : opt. codebook gain (fraction),Q15 */ |
| Word16 cod_gain_exp, /* i : opt. codebook gain (exponent), Q0 */ |
| Word16 gp_limit, /* i : pitch gain limit */ |
| Word16 *gain_pit, /* i/o: Pitch gain (unquant/quant), Q14 */ |
| Word16 *gain_cod, /* o : Code gain, Q1 */ |
| Word16 *qua_ener_MR122, /* o : quantized energy error, Q10 */ |
| /* (for MR122 MA predictor update) */ |
| Word16 *qua_ener, /* o : quantized energy error, Q10 */ |
| /* (for other MA predictor update) */ |
| Word16 **anap, /* o : Index of quantization */ |
| /* (first gain pitch, then code pitch)*/ |
| Flag *pOverflow /* o : overflow indicator */ |
| ); |
| |
| /*---------------------------------------------------------------------------- |
| ; END |
| ----------------------------------------------------------------------------*/ |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| #endif /* qgain795_H_ */ |
| |
| |