/* ------------------------------------------------------------------
 * 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.
 * -------------------------------------------------------------------
 */
/****************************************************************************

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 2003.

*******************************************************************************/

#ifndef S_PS_DEC_H
#define S_PS_DEC_H


#include "s_hybrid.h"
#include "s_patch.h"

/****************************************************************
  Type definitions
 ****************************************************************/
struct PS_DEC
{

    Int psDetected;
    Int32 *R_ch_qmf_filter_history;
    Int32 invNoSubSamples;

    Int32 bForceMono;
    UInt32 noSubSamples;
    Int32 usb;
    Int32 lastUsb;

    Int32 bPsDataAvail;

    UInt32 bEnableIid;
    UInt32 bEnableIcc;

    UInt32 bEnableExt;
    Int32 bFineIidQ;

    Int32 aIidPrevFrameIndex[NO_HI_RES_BINS];
    Int32 aIccPrevFrameIndex[NO_HI_RES_BINS];

    UInt32 freqResIid;
    UInt32 freqResIcc;

    UInt32 bFrameClass;
    UInt32 noEnv;
    UInt32 aEnvStartStop[MAX_NO_PS_ENV+1];

    UInt32 abIidDtFlag[MAX_NO_PS_ENV];
    UInt32 abIccDtFlag[MAX_NO_PS_ENV];

    Int32   delayBufIndex;

    UInt32 aDelayRBufIndexSer[NO_SERIAL_ALLPASS_LINKS];

    Int32 **aaaRealDelayRBufferSerQmf[NO_SERIAL_ALLPASS_LINKS];
    Int32 **aaaImagDelayRBufferSerQmf[NO_SERIAL_ALLPASS_LINKS];

    Int32 **aaaRealDelayRBufferSerSubQmf[NO_SERIAL_ALLPASS_LINKS];
    Int32 **aaaImagDelayRBufferSerSubQmf[NO_SERIAL_ALLPASS_LINKS];

    Int32 **aaRealDelayBufferQmf;
    Int32 **aaImagDelayBufferQmf;
    Int32 **aaRealDelayBufferSubQmf;
    Int32 **aaImagDelayBufferSubQmf;

    Int32 *aPeakDecayFast;
    Int32 *aPrevNrg;
    Int32 *aPrevPeakDiff;

    Int32 *mHybridRealLeft;
    Int32 *mHybridImagLeft;
    Int32 *mHybridRealRight;
    Int32 *mHybridImagRight;


    HYBRID *hHybrid;


    Int32 h11Prev[NO_IID_GROUPS];
    Int32 h12Prev[NO_IID_GROUPS];
    Int32 h21Prev[NO_IID_GROUPS];
    Int32 h22Prev[NO_IID_GROUPS];

    Int32 H11[NO_IID_GROUPS];
    Int32 H12[NO_IID_GROUPS];
    Int32 H21[NO_IID_GROUPS];
    Int32 H22[NO_IID_GROUPS];

    Int32 deltaH11[NO_IID_GROUPS];
    Int32 deltaH12[NO_IID_GROUPS];
    Int32 deltaH21[NO_IID_GROUPS];
    Int32 deltaH22[NO_IID_GROUPS];

    Int32(*qmfBufferReal)[64];
    Int32(*qmfBufferImag)[64];

    Int32 aDelayBufIndex[NO_DELAY_CHANNELS];
    Int32 aNoSampleDelay[NO_DELAY_CHANNELS];  /////
    Int32 aaIidIndex[MAX_NO_PS_ENV+1][NO_HI_RES_BINS];
    Int32 aaIccIndex[MAX_NO_PS_ENV+1][NO_HI_RES_BINS];

};

typedef struct PS_DEC STRUCT_PS_DEC;
typedef struct PS_DEC * HANDLE_PS_DEC;


#endif      /*  E_PS_DEC_H */