diff options
author | Jinkun Jang <jinkun.jang@samsung.com> | 2013-03-13 01:44:24 +0900 |
---|---|---|
committer | Jinkun Jang <jinkun.jang@samsung.com> | 2013-03-13 01:44:24 +0900 |
commit | e28f3aee8eca3cc7a10935f63899d5c4f6ba1ede (patch) | |
tree | 3e9da8eb6a913278403e100d0bbe0b9231a4b6ac /opencore/codecs_v2/audio/gsm_amr/amr_nb/enc/src/spreproc.h | |
parent | 54f90e8fa8d02c96e2c6d0a5bd71603dc016cf70 (diff) | |
download | opencore-amr-e28f3aee8eca3cc7a10935f63899d5c4f6ba1ede.tar.gz opencore-amr-e28f3aee8eca3cc7a10935f63899d5c4f6ba1ede.tar.bz2 opencore-amr-e28f3aee8eca3cc7a10935f63899d5c4f6ba1ede.zip |
Tizen 2.1 base
Diffstat (limited to 'opencore/codecs_v2/audio/gsm_amr/amr_nb/enc/src/spreproc.h')
-rw-r--r-- | opencore/codecs_v2/audio/gsm_amr/amr_nb/enc/src/spreproc.h | 122 |
1 files changed, 122 insertions, 0 deletions
diff --git a/opencore/codecs_v2/audio/gsm_amr/amr_nb/enc/src/spreproc.h b/opencore/codecs_v2/audio/gsm_amr/amr_nb/enc/src/spreproc.h new file mode 100644 index 0000000..ee283dc --- /dev/null +++ b/opencore/codecs_v2/audio/gsm_amr/amr_nb/enc/src/spreproc.h @@ -0,0 +1,122 @@ +/* ------------------------------------------------------------------ + * 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: spreproc.h + +------------------------------------------------------------------------------ + INCLUDE DESCRIPTION + + This file contains all the constant definitions and prototype definitions + needed by the file, spreproc.c + +------------------------------------------------------------------------------ +*/ + +/*---------------------------------------------------------------------------- +; CONTINUE ONLY IF NOT ALREADY DEFINED +----------------------------------------------------------------------------*/ +#ifndef spreproc_h +#define spreproc_h "$Id $" + +/*---------------------------------------------------------------------------- +; INCLUDES +----------------------------------------------------------------------------*/ +#include "cnst.h" +#include "mode.h" +#include "typedef.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 subframePreProc( + enum Mode mode, /* i : coder mode */ + const Word16 gamma1[], /* i : spectral exp. factor 1 */ + const Word16 gamma1_12k2[],/* i : spectral exp. factor 1 for EFR */ + const Word16 gamma2[], /* i : spectral exp. factor 2 */ + Word16 *A, /* i : A(z) unquantized for the 4 subframes */ + Word16 *Aq, /* i : A(z) quantized for the 4 subframes */ + Word16 *speech, /* i : speech segment */ + Word16 *mem_err, /* i : pointer to error signal */ + Word16 *mem_w0, /* i : memory of weighting filter */ + Word16 *zero, /* i : pointer to zero vector */ + Word16 ai_zero[], /* o : history of weighted synth. filter */ + Word16 exc[], /* o : long term prediction residual */ + Word16 h1[], /* o : impulse response */ + Word16 xn[], /* o : target vector for pitch search */ + Word16 res2[], /* o : long term prediction residual */ + Word16 error[] /* o : error of LPC synthesis filter */ + ); + + /*---------------------------------------------------------------------------- + ; END + ----------------------------------------------------------------------------*/ +#ifdef __cplusplus +} +#endif + +#endif /* spreproc_h */ + |