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Diffstat (limited to 'media/libstagefright/codecs/amrnb/dec/src/c_g_aver.h')
| -rw-r--r-- | media/libstagefright/codecs/amrnb/dec/src/c_g_aver.h | 163 |
1 files changed, 0 insertions, 163 deletions
diff --git a/media/libstagefright/codecs/amrnb/dec/src/c_g_aver.h b/media/libstagefright/codecs/amrnb/dec/src/c_g_aver.h deleted file mode 100644 index 0b53753..0000000 --- a/media/libstagefright/codecs/amrnb/dec/src/c_g_aver.h +++ /dev/null @@ -1,163 +0,0 @@ -/* ------------------------------------------------------------------ - * 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/src/include/c_g_aver.h - - Date: 12/29/2002 - ------------------------------------------------------------------------------- - REVISION HISTORY - - Description: Moved _cplusplus #ifdef after Include section. - - Description: - ------------------------------------------------------------------------------- - INCLUDE DESCRIPTION - - File : c_g_aver.h - Purpose : Background noise source charateristic detector (SCD) - ------------------------------------------------------------------------------- -*/ - -#ifndef _C_G_AVER_H_ -#define _C_G_AVER_H_ - -/*---------------------------------------------------------------------------- -; INCLUDES -----------------------------------------------------------------------------*/ -#include "typedef.h" -#include "mode.h" -#include "cnst.h" - -/*--------------------------------------------------------------------------*/ -#ifdef __cplusplus -extern "C" -{ -#endif - - /*---------------------------------------------------------------------------- - ; MACROS - ; [Define module specific macros here] - ----------------------------------------------------------------------------*/ - - /*---------------------------------------------------------------------------- - ; DEFINES - ; [Include all pre-processor statements here.] - ----------------------------------------------------------------------------*/ -#define L_CBGAINHIST 7 - - /*---------------------------------------------------------------------------- - ; EXTERNAL VARIABLES REFERENCES - ; [Declare variables used in this module but defined elsewhere] - ----------------------------------------------------------------------------*/ - - /*---------------------------------------------------------------------------- - ; SIMPLE TYPEDEF'S - ----------------------------------------------------------------------------*/ - - /*---------------------------------------------------------------------------- - ; ENUMERATED TYPEDEF'S - ----------------------------------------------------------------------------*/ - - /*---------------------------------------------------------------------------- - ; STRUCTURES TYPEDEF'S - ----------------------------------------------------------------------------*/ - typedef struct - { - /* history vector of past synthesis speech energy */ - Word16 cbGainHistory[L_CBGAINHIST]; - - /* state flags */ - Word16 hangVar; /* counter; */ - Word16 hangCount; /* counter; */ - - } Cb_gain_averageState; - - /*---------------------------------------------------------------------------- - ; GLOBAL FUNCTION DEFINITIONS - ; [List function prototypes here] - ----------------------------------------------------------------------------*/ - /* - * Function : Cb_gain_average_init - * Purpose : Allocates initializes state memory - * Description : Stores pointer to filter status struct in *st. This - * pointer has to be passed to Cb_gain_average in each call. - * Returns : 0 on success - */ - Word16 Cb_gain_average_init(Cb_gain_averageState **st); - - /* - * Function : Cb_gain_average_reset - * Purpose : Resets state memory - * Returns : 0 on success - */ - Word16 Cb_gain_average_reset(Cb_gain_averageState *st); - - /* - * Function : Cb_gain_average_exit - * Purpose : The memory used for state memory is freed - * Description : Stores NULL in *s - * Returns : void - */ - void Cb_gain_average_exit(Cb_gain_averageState **st); - - /* - * Function : Cb_gain_average - * Purpose : Charaterice synthesis speech and detect background noise - * Returns : background noise decision; 0 = bgn, 1 = no bgn - */ - Word16 Cb_gain_average( - Cb_gain_averageState *st, /* i/o : State variables for CB gain avergeing */ - enum Mode mode, /* i : AMR mode */ - Word16 gain_code, /* i : CB gain Q1 */ - Word16 lsp[], /* i : The LSP for the current frame Q15 */ - Word16 lspAver[], /* i : The average of LSP for 8 frames Q15 */ - Word16 bfi, /* i : bad frame indication flag */ - Word16 prev_bf, /* i : previous bad frame indication flag */ - Word16 pdfi, /* i : potential degraded bad frame ind flag */ - Word16 prev_pdf, /* i : prev pot. degraded bad frame ind flag */ - Word16 inBackgroundNoise, /* i : background noise decision */ - Word16 voicedHangover, /* i : # of frames after last voiced frame */ - Flag *pOverflow - ); - - -#ifdef __cplusplus -} -#endif - -#endif /* _C_G_AVER_H_ */ - - |