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/***************************** MPEG Audio Encoder ***************************
(C) Copyright Fraunhofer IIS (2004-2005)
All Rights Reserved
Please be advised that this software and/or program delivery is
Confidential Information of Fraunhofer and subject to and covered by the
Fraunhofer IIS Software Evaluation Agreement
between Google Inc. and Fraunhofer
effective and in full force since March 1, 2012.
You may use this software and/or program only under the terms and
conditions described in the above mentioned Fraunhofer IIS Software
Evaluation Agreement. Any other and/or further use requires a separate agreement.
$Id$
Initial Authors: Markus Multrus
Contents/Description: PS Wrapper, Downmix header file
This software and/or program is protected by copyright law and international
treaties. Any reproduction or distribution of this software and/or program,
or any portion of it, may result in severe civil and criminal penalties, and
will be prosecuted to the maximum extent possible under law.
******************************************************************************/
#ifndef __INCLUDED_PS_MAIN_H
#define __INCLUDED_PS_MAIN_H
/* Includes ******************************************************************/
#include "sbr_def.h"
#include "psenc_hybrid.h"
#include "ps_encode.h"
#include "FDK_bitstream.h"
/* Data Types ****************************************************************/
typedef enum {
PSENC_STEREO_BANDS_INVALID = 0,
PSENC_STEREO_BANDS_10 = 10,
PSENC_STEREO_BANDS_20 = 20,
PSENC_STEREO_BANDS_34 = 34
} PSENC_STEREO_BANDS_CONFIG;
typedef enum {
PSENC_NENV_1 = 1,
PSENC_NENV_2 = 2,
PSENC_NENV_4 = 4,
PSENC_NENV_DEFAULT = PSENC_NENV_2,
PSENC_NENV_MAX = PSENC_NENV_4
} PSENC_NENV_CONFIG;
#define MAX_PS_CHANNELS ( 2 )
#define PSENC_QMF_BUFFER_LENGTH ( 48 )
typedef struct {
UINT bitrateFrom; /* inclusive */
UINT bitrateTo; /* exclusive */
PSENC_STEREO_BANDS_CONFIG nStereoBands;
PSENC_NENV_CONFIG nEnvelopes;
LONG iidQuantErrorThreshold; /* quantization threshold to switch between coarse and fine iid quantization */
} psTuningTable_t;
/* Function / Class Declarations *********************************************/
typedef struct T_PS_QMF_DATA
{
FIXP_QMF *rQmfData[PSENC_QMF_BUFFER_LENGTH];
FIXP_QMF *iQmfData[PSENC_QMF_BUFFER_LENGTH];
INT nCols;
INT nRows;
INT bufferReadOffset;
INT bufferReadOffsetHybrid;
INT bufferWriteOffset;
INT bufferLength;
} PS_QMF_DATA, *HANDLE_PS_QMF_DATA;
typedef struct T_PS_CHANNEL_DATA {
HANDLE_PS_QMF_DATA hPsQmfData;
int psQmfScale;
HANDLE_PS_HYBRID_DATA hHybData;
HANDLE_PS_HYBRID hHybAna;
INT psChannelDelay; /* delay in samples */
} PS_CHANNEL_DATA, *HANDLE_PS_CHANNEL_DATA;
typedef struct T_PARAMETRIC_STEREO {
HANDLE_PS_HYBRID_CONFIG hHybridConfig;
HANDLE_PS_CHANNEL_DATA hPsChannelData[MAX_PS_CHANNELS];
HANDLE_PS_ENCODE hPsEncode;
HANDLE_PS_OUT hPsOut[2];
FIXP_QMF *qmfDelayReal[QMF_MAX_TIME_SLOTS>>1];
FIXP_QMF *qmfDelayImag[QMF_MAX_TIME_SLOTS>>1];
FIXP_QMF *qmfDelayRealRef;
FIXP_QMF *qmfDelayImagRef;
int qmfDelayScale;
INT psDelay;
UINT maxEnvelopes;
UCHAR dynBandScale[PS_MAX_BANDS];
FIXP_DBL maxBandValue[PS_MAX_BANDS];
SCHAR dmxScale;
INT initPS;
INT noQmfSlots;
INT noQmfBands;
} PARAMETRIC_STEREO;
typedef struct T_PSENC_CONFIG {
INT frameSize;
INT qmfFilterMode;
INT sbrPsDelay;
PSENC_STEREO_BANDS_CONFIG nStereoBands;
PSENC_NENV_CONFIG maxEnvelopes;
FIXP_DBL iidQuantErrorThreshold;
} PSENC_CONFIG, *HANDLE_PSENC_CONFIG;
typedef struct T_PARAMETRIC_STEREO *HANDLE_PARAMETRIC_STEREO;
HANDLE_ERROR_INFO
PSEnc_Create(HANDLE_PARAMETRIC_STEREO *phParametricStereo);
HANDLE_ERROR_INFO
PSEnc_Init(HANDLE_PARAMETRIC_STEREO hParametricStereo,
HANDLE_PSENC_CONFIG hPsEncConfig,
INT noQmfSlots,
INT noQmfBands
,UCHAR *dynamic_RAM
);
HANDLE_ERROR_INFO
UpdatePSQmfData_second(HANDLE_PARAMETRIC_STEREO hParametricStereo);
HANDLE_ERROR_INFO
PSEnc_Destroy(HANDLE_PARAMETRIC_STEREO *hParametricStereo);
HANDLE_ERROR_INFO
FDKsbrEnc_PSEnc_ParametricStereoProcessing(HANDLE_PARAMETRIC_STEREO hParametricStereo,
FIXP_QMF **RESTRICT qmfRealData,
FIXP_QMF **RESTRICT qmfImagData,
INT qmfOffset,
INT_PCM *downsampledOutSignal,
HANDLE_QMF_FILTER_BANK sbrSynthQmf,
SCHAR *qmfScale,
const int sendHeader);
INT
FDKsbrEnc_PSEnc_WritePSData(HANDLE_PARAMETRIC_STEREO hParametricStereo, HANDLE_FDK_BITSTREAM hBitstream);
#endif /* __INCLUDED_PS_MAIN_H */
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