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Diffstat (limited to 'media/libstagefright/codecs/amrnb/enc/src/dtx_enc.h')
| -rw-r--r-- | media/libstagefright/codecs/amrnb/enc/src/dtx_enc.h | 209 |
1 files changed, 0 insertions, 209 deletions
diff --git a/media/libstagefright/codecs/amrnb/enc/src/dtx_enc.h b/media/libstagefright/codecs/amrnb/enc/src/dtx_enc.h deleted file mode 100644 index 5bb168d..0000000 --- a/media/libstagefright/codecs/amrnb/enc/src/dtx_enc.h +++ /dev/null @@ -1,209 +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/dtx_enc.h - - Date: 01/29/2002 - ------------------------------------------------------------------------------- - REVISION HISTORY - - Description: Replaced "int" and/or "char" with OSCL defined types. - - Description: Moved _cplusplus #ifdef after Include section. - - Description: - ------------------------------------------------------------------------------- - INCLUDE DESCRIPTION - - File : dtx_enc.h - Purpose : DTX mode computation of SID parameters - ------------------------------------------------------------------------------- -*/ - -#ifndef dtx_enc_h -#define dtx_enc_h "$Id $" - -/*---------------------------------------------------------------------------- -; INCLUDES -----------------------------------------------------------------------------*/ -#include "typedef.h" -#include "cnst.h" -#include "q_plsf.h" -#include "gc_pred.h" -#include "mode.h" -#include "dtx_common_def.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] - ----------------------------------------------------------------------------*/ - extern const Word16 lsp_init_data[]; - /*---------------------------------------------------------------------------- - ; SIMPLE TYPEDEF'S - ----------------------------------------------------------------------------*/ - - /*---------------------------------------------------------------------------- - ; ENUMERATED TYPEDEF'S - ----------------------------------------------------------------------------*/ - - /*---------------------------------------------------------------------------- - ; STRUCTURES TYPEDEF'S - ----------------------------------------------------------------------------*/ - typedef struct - { - Word16 lsp_hist[M * DTX_HIST_SIZE]; - Word16 log_en_hist[DTX_HIST_SIZE]; - Word16 hist_ptr; - Word16 log_en_index; - Word16 init_lsf_vq_index; - Word16 lsp_index[3]; - - /* DTX handler stuff */ - Word16 dtxHangoverCount; - Word16 decAnaElapsedCount; - - } dtx_encState; - - /*---------------------------------------------------------------------------- - ; GLOBAL FUNCTION DEFINITIONS - ; [List function prototypes here] - ----------------------------------------------------------------------------*/ - /* - ************************************************************************** - * Function : dtx_enc_init - * Purpose : Allocates memory and initializes state variables - * Description : Stores pointer to filter status struct in *st. This - * pointer has to be passed to dtx_enc in each call. - * Returns : 0 on success - * - ************************************************************************** - */ - Word16 dtx_enc_init(dtx_encState **st); - - /* - ************************************************************************** - * - * Function : dtx_enc_reset - * Purpose : Resets state memory - * Returns : 0 on success - * - ************************************************************************** - */ - Word16 dtx_enc_reset(dtx_encState *st); - - /* - ************************************************************************** - * - * Function : dtx_enc_exit - * Purpose : The memory used for state memory is freed - * Description : Stores NULL in *st - * - ************************************************************************** - */ - void dtx_enc_exit(dtx_encState **st); - - /* - ************************************************************************** - * - * Function : dtx_enc - * Purpose : - * Description : - * - ************************************************************************** - */ - void dtx_enc(dtx_encState *st, /* i/o : State struct */ - Word16 computeSidFlag, /* i : compute SID */ - Q_plsfState *qSt, /* i/o : Qunatizer state struct */ - gc_predState* predState, /* i/o : State struct */ - Word16 **anap, /* o : analysis parameters */ - Flag *pOverflow /* i/o : overflow indicator */ - ); - - /* - ************************************************************************** - * - * Function : dtx_buffer - * Purpose : handles the DTX buffer - * - ************************************************************************** - */ - void dtx_buffer(dtx_encState *st, /* i/o : State struct */ - Word16 lsp_new[], /* i : LSP vector */ - Word16 speech[], /* i : speech samples */ - Flag *pOverflow /* i/o : overflow indicator */ - ); - - /* - ************************************************************************** - * - * Function : tx_dtx_handler - * Purpose : adds extra speech hangover to analyze speech on the decoding side. - * Description : returns 1 when a new SID analysis may be made - * otherwise it adds the appropriate hangover after a sequence - * with out updates of SID parameters . - * - ************************************************************************** - */ - Word16 tx_dtx_handler(dtx_encState *st, /* i/o : State struct */ - Word16 vad_flag, /* i : vad decision */ - enum Mode *usedMode, /* i/o : mode changed or not */ - Flag *pOverflow /* i/o : overflow indicator */ - ); - - -#ifdef __cplusplus -} -#endif - -#endif /* _dtx_enc_h_ */ - - |