diff options
Diffstat (limited to 'opencore/codecs_v2/audio/gsm_amr/amr_nb/enc/src/cor_h_x2.h')
| -rw-r--r-- | opencore/codecs_v2/audio/gsm_amr/amr_nb/enc/src/cor_h_x2.h | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/opencore/codecs_v2/audio/gsm_amr/amr_nb/enc/src/cor_h_x2.h b/opencore/codecs_v2/audio/gsm_amr/amr_nb/enc/src/cor_h_x2.h new file mode 100644 index 0000000..8f43b99 --- /dev/null +++ b/opencore/codecs_v2/audio/gsm_amr/amr_nb/enc/src/cor_h_x2.h @@ -0,0 +1,108 @@ +/* ------------------------------------------------------------------ + * 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: cor_h_x2.h + +------------------------------------------------------------------------------ + INCLUDE DESCRIPTION + + This file contains prototype declaration for cor_h_x2 function. + +------------------------------------------------------------------------------ +*/ + +/*---------------------------------------------------------------------------- +; CONTINUE ONLY IF NOT ALREADY DEFINED +----------------------------------------------------------------------------*/ +#ifndef COR_H_X2_H +#define COR_H_X2_H + +/*---------------------------------------------------------------------------- +; INCLUDES +----------------------------------------------------------------------------*/ +#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 cor_h_x2( + Word16 h[], /* (i): impulse response of weighted synthesis filter */ + Word16 x[], /* (i): target */ + Word16 dn[], /* (o): correlation between target and h[] */ + Word16 sf, /* (i): scaling factor: 2 for 12.2, 1 for others */ + Word16 nb_track,/* (i): the number of ACB tracks */ + Word16 step, /* (i): step size from one pulse position to the next + in one track */ + Flag *pOverflow + ); + +#ifdef __cplusplus +} +#endif + +#endif /* _COR_H_X2_H_ */ + |