diff options
Diffstat (limited to 'media/libstagefright/codecs/amrnb/common/include/q_plsf.h')
| -rw-r--r-- | media/libstagefright/codecs/amrnb/common/include/q_plsf.h | 169 |
1 files changed, 169 insertions, 0 deletions
diff --git a/media/libstagefright/codecs/amrnb/common/include/q_plsf.h b/media/libstagefright/codecs/amrnb/common/include/q_plsf.h new file mode 100644 index 0000000..431272a --- /dev/null +++ b/media/libstagefright/codecs/amrnb/common/include/q_plsf.h @@ -0,0 +1,169 @@ +/* ------------------------------------------------------------------ + * 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_ */ + |