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/* ------------------------------------------------------------------
* 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.
* -------------------------------------------------------------------
*/
/*
Filename: s_sbr_dec.h
Funtions:
get_dse
------------------------------------------------------------------------------
REVISION HISTORY
Who: Date: MM/DD/YYYY
Description:
------------------------------------------------------------------------------
SC 29 Software Copyright Licencing Disclaimer:
This software module was originally developed by
Coding Technologies
and edited by
-
in the course of development of the ISO/IEC 13818-7 and ISO/IEC 14496-3
standards for reference purposes and its performance may not have been
optimized. This software module is an implementation of one or more tools as
specified by the ISO/IEC 13818-7 and ISO/IEC 14496-3 standards.
ISO/IEC gives users free license to this software module or modifications
thereof for use in products claiming conformance to audiovisual and
image-coding related ITU Recommendations and/or ISO/IEC International
Standards. ISO/IEC gives users the same free license to this software module or
modifications thereof for research purposes and further ISO/IEC standardisation.
Those intending to use this software module in products are advised that its
use may infringe existing patents. ISO/IEC have no liability for use of this
software module or modifications thereof. Copyright is not released for
products that do not conform to audiovisual and image-coding related ITU
Recommendations and/or ISO/IEC International Standards.
The original developer retains full right to modify and use the code for its
own purpose, assign or donate the code to a third party and to inhibit third
parties from using the code for products that do not conform to audiovisual and
image-coding related ITU Recommendations and/or ISO/IEC International Standards.
This copyright notice must be included in all copies or derivative works.
Copyright (c) ISO/IEC 2002.
$Id: ct_envcalc.h,v 1.3 2002/11/29 16:11:49 kaehleof Exp $
*/
/*----------------------------------------------------------------------------
; CONTINUE ONLY IF NOT ALREADY DEFINED
----------------------------------------------------------------------------*/
#ifndef S_SBR_DEC_H
#define S_SBR_DEC_H
/*----------------------------------------------------------------------------
; INCLUDES
----------------------------------------------------------------------------*/
#include "s_sbr_frame_data.h"
#include "pv_audio_type_defs.h"
#include "s_patch.h"
#include "e_blockswitching.h"
/*----------------------------------------------------------------------------
; 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
----------------------------------------------------------------------------*/
typedef struct
{
Int32 outSampleRate;
Int32 LC_aacP_DecoderFlag; /* Low Complexity decoder flag */
Int32 startIndexCodecQmf;
Int32 lowBandAddSamples;
Int32 noCols;
Int32 qmfBufLen;
Int32 bufWriteOffs;
Int32 bufReadOffs;
Int32 sbStopCodec;
Int lowSubband;
Int prevLowSubband;
Int32 highSubband;
Int32 noSubbands;
Int FreqBandTable[2][MAX_FREQ_COEFFS + 1];
Int32 FreqBandTableNoise[MAX_NOISE_COEFFS + 1];
Int32 V_k_master[MAX_FREQ_COEFFS + 1]; /* Master BandTable which freqBandTable is derived from*/
Int32 NSfb[2];
Int32 NoNoiseBands; /* Number of noisebands */
Int32 Num_Master; /* Number of bands in V_k_master*/
struct PATCH Patch; /* Used by sbr_generate_high_freq */
/* Used by calc_sbr_envelope */
Int32 gateMode[4];
Int32 limSbc[4][12 + 1]; /* Limiting bands */
Int32 sqrt_cache[8][4]; /* cache memory for repeated sqrt() calculations */
} SBR_DEC;
/*----------------------------------------------------------------------------
; END
----------------------------------------------------------------------------*/
#endif
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