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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_frame_data.h
Funtions:
------------------------------------------------------------------------------
REVISION HISTORY
Who: Date: MM/DD/YYYY
Description:
------------------------------------------------------------------------------
----------------------------------------------------------------------------
; CONTINUE ONLY IF NOT ALREADY DEFINED
----------------------------------------------------------------------------*/
#ifndef S_SBR_FRAME_DATA_H
#define S_SBR_FRAME_DATA_H
/*----------------------------------------------------------------------------
; INCLUDES
----------------------------------------------------------------------------*/
#include "pv_audio_type_defs.h"
#include "s_sbr_header_data.h"
#include "e_invf_mode.h"
#include "e_coupling_mode.h"
#include "sbr_constants.h"
#include "s_patch.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 nScaleFactors; /* total number of scalefactors in frame */
Int32 nNoiseFactors;
Int32 crcCheckSum;
Int32 frameClass;
Int32 frameInfo[LENGTH_FRAME_INFO];
Int32 nSfb[2];
Int32 nNfb;
Int32 offset;
Int32 ampRes;
Int32 nNoiseFloorEnvelopes;
Int32 p;
Int32 prevEnvIsShort;
Int32 reset_flag;
SBR_HEADER_DATA sbr_header;
/* dynamic control signals */
Int32 domain_vec1[MAX_ENVELOPES];
Int32 domain_vec2[MAX_ENVELOPES];
INVF_MODE sbr_invf_mode[MAX_NUM_NOISE_VALUES];
INVF_MODE sbr_invf_mode_prev[MAX_NUM_NOISE_VALUES];
COUPLING_MODE coupling; /* 3 possibilities: off, level, pan */
Int32 addHarmonics[MAX_NUM_ENVELOPE_VALUES];
/* Used by calc_sbr_envelope */
Int32 hFp[64];
Int32 harm_index;
Int32 phase_index;
Int32 sUp;
/*
* envelope data
*/
Int32 iEnvelope_man[MAX_NUM_ENVELOPE_VALUES]; /* mantissa */
Int32 iEnvelope_exp[MAX_NUM_ENVELOPE_VALUES]; /* exponent */
Int32 sfb_nrg_prev_man[MAX_FREQ_COEFFS]; /* mantissa */
/*
* noise data
*/
Int32 sbrNoiseFloorLevel_man[MAX_NUM_NOISE_VALUES]; /* mantissa */
Int32 sbrNoiseFloorLevel_exp[MAX_NUM_NOISE_VALUES]; /* exponent */
Int32 prevNoiseLevel_man[MAX_NUM_NOISE_VALUES]; /* mantissa */
Int32 BwVector[MAX_NUM_PATCHES];
Int32 BwVectorOld[MAX_NUM_PATCHES];
/* Both implement a pseudo circular buffer */
/*
* 40 == Biggest of autoCorrLength(38) + sbrDec->bufReadOffs (2) and
* sbrDec->noCols (32) + sbrDec->bufWriteOffs (6)
*/
Int32 codecQmfBufferReal[40][32];
Int32 *sbrQmfBufferReal;
Int32 HistsbrQmfBufferReal[6*SBR_NUM_BANDS];
#ifdef HQ_SBR
Int32 codecQmfBufferImag[40][32];
Int32 *sbrQmfBufferImag;
Int32 HistsbrQmfBufferImag[6*SBR_NUM_BANDS];
#endif
Int16 V[1152]; /* Used by calc_sbr_synfilterbank as freq. history buffer */
Int32 degreeAlias[64];
#ifdef HQ_SBR
Int32 fBuffer_man[5][64]; /* smoothing history buffers */
Int32 fBufferN_man[5][64];
Int32 fBuffer_exp[5][64]; /* smoothing history buffers */
Int32 fBufferN_exp[5][64];
Int32 *fBuf_man[64]; /* pointer to smoothing history buffers */
Int32 *fBuf_exp[64]; /* pointer to smoothing history buffers */
Int32 *fBufN_man[64];
Int32 *fBufN_exp[64];
#endif
}
SBR_FRAME_DATA;
/*----------------------------------------------------------------------------
; GLOBAL FUNCTION DEFINITIONS
; Function Prototype declaration
----------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------
; END
----------------------------------------------------------------------------*/
#endif
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