| /* ------------------------------------------------------------------ |
| * 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/q_plsf.h |
| |
| ------------------------------------------------------------------------------ |
| REVISION HISTORY |
| |
| Description: Placed header file in the proper template format. Added |
| parameter pOverflow for the basic math ops. |
| |
| Description: Replaced "int" and/or "char" with OSCL defined types. |
| |
| Description: Moved _cplusplus #ifdef after Include section. |
| |
| Who: Date: |
| Description: |
| |
| ------------------------------------------------------------------------------ |
| INCLUDE DESCRIPTION |
| |
| This file contains all the constant definitions and prototype definitions |
| needed by the q_plsf_3.c and q_plsf_5.c |
| |
| ------------------------------------------------------------------------------ |
| */ |
| |
| /*---------------------------------------------------------------------------- |
| ; CONTINUE ONLY IF NOT ALREADY DEFINED |
| ----------------------------------------------------------------------------*/ |
| #ifndef q_plsf_h |
| #define q_plsf_h "$Id $" |
| |
| /*---------------------------------------------------------------------------- |
| ; INCLUDES |
| ----------------------------------------------------------------------------*/ |
| #include "typedef.h" |
| #include "cnst.h" |
| #include "mode.h" |
| |
| /*--------------------------------------------------------------------------*/ |
| #ifdef __cplusplus |
| extern "C" |
| { |
| #endif |
| |
| /*---------------------------------------------------------------------------- |
| ; MACROS |
| ; Define module specific macros here |
| ----------------------------------------------------------------------------*/ |
| |
| /*---------------------------------------------------------------------------- |
| ; DEFINES |
| ; Include all pre-processor statements here. |
| ----------------------------------------------------------------------------*/ |
| #define MR795_1_SIZE 512 |
| #define PAST_RQ_INIT_SIZE 8 |
| |
| #define DICO1_SIZE 256 |
| #define DICO2_SIZE 512 |
| #define DICO3_SIZE 512 |
| |
| #define DICO1_5_SIZE 128 |
| #define DICO2_5_SIZE 256 |
| #define DICO3_5_SIZE 256 |
| #define DICO4_5_SIZE 256 |
| #define DICO5_5_SIZE 64 |
| |
| #define MR515_3_SIZE 128 |
| |
| /*---------------------------------------------------------------------------- |
| ; EXTERNAL VARIABLES REFERENCES |
| ; Declare variables used in this module but defined elsewhere |
| ----------------------------------------------------------------------------*/ |
| |
| /*---------------------------------------------------------------------------- |
| ; SIMPLE TYPEDEF'S |
| ----------------------------------------------------------------------------*/ |
| |
| /*---------------------------------------------------------------------------- |
| ; ENUMERATED TYPEDEF'S |
| ----------------------------------------------------------------------------*/ |
| |
| /*---------------------------------------------------------------------------- |
| ; STRUCTURES TYPEDEF'S |
| ----------------------------------------------------------------------------*/ |
| typedef struct |
| { |
| Word16 past_rq[M]; /* Past quantized prediction error, Q15 */ |
| |
| } Q_plsfState; |
| |
| /*---------------------------------------------------------------------------- |
| ; GLOBAL FUNCTION DEFINITIONS |
| ; Function Prototype declaration |
| ----------------------------------------------------------------------------*/ |
| |
| Word16 Q_plsf_init(Q_plsfState **st); |
| /* initialize one instance of the state. |
| Stores pointer to filter status struct in *st. This pointer has to |
| be passed to Q_plsf_5 / Q_plsf_3 in each call. |
| returns 0 on success |
| */ |
| |
| Word16 Q_plsf_reset(Q_plsfState *st); |
| /* reset of state (i.e. set state memory to zero) |
| returns 0 on success |
| */ |
| |
| void Q_plsf_exit(Q_plsfState **st); |
| /* de-initialize state (i.e. free status struct) |
| stores NULL in *st |
| */ |
| |
| void Q_plsf_3( |
| Q_plsfState *st, /* i/o: state struct */ |
| enum Mode mode, /* i : coder mode */ |
| Word16 *lsp1, /* i : 1st LSP vector Q15 */ |
| Word16 *lsp1_q, /* o : quantized 1st LSP vector Q15 */ |
| Word16 *indice, /* o : quantization indices of 3 vectors Q0 */ |
| Word16 *pred_init_i,/* o : init index for MA prediction in DTX mode */ |
| Flag *pOverflow /* o : Flag set when overflow occurs */ |
| ); |
| |
| void Q_plsf_5( |
| Q_plsfState *st, |
| Word16 *lsp1, /* i : 1st LSP vector, Q15 */ |
| Word16 *lsp2, /* i : 2nd LSP vector, Q15 */ |
| Word16 *lsp1_q, /* o : quantized 1st LSP vector, Q15 */ |
| Word16 *lsp2_q, /* o : quantized 2nd LSP vector, Q15 */ |
| Word16 *indice, /* o : quantization indices of 5 matrices, Q0 */ |
| Flag *pOverflow /* o : Flag set when overflow occurs */ |
| ); |
| /*---------------------------------------------------------------------------- |
| ; END |
| ----------------------------------------------------------------------------*/ |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| #endif /* _Q_PLSF_H_ */ |
| |