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/******************************** MPEG Audio Encoder **************************
(C) Copyright Fraunhofer IIS (1999)
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.
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.
$Id$
Initial author: M. Werner
contents/description: Quantizing & coding data
******************************************************************************/
#ifndef _QC_DATA_H
#define _QC_DATA_H
#include "psy_const.h"
#include "dyn_bits.h"
#include "adj_thr_data.h"
#include "line_pe.h"
#include "FDK_audio.h"
#include "interface.h"
typedef enum {
QCDATA_BR_MODE_INVALID = -1,
QCDATA_BR_MODE_CBR = 0,
QCDATA_BR_MODE_VBR_1 = 1, /* 32 kbps/channel */
QCDATA_BR_MODE_VBR_2 = 2, /* 40 kbps/channel */
QCDATA_BR_MODE_VBR_3 = 3, /* 48 kbps/channel */
QCDATA_BR_MODE_VBR_4 = 4, /* 64 kbps/channel */
QCDATA_BR_MODE_VBR_5 = 5, /* 96 kbps/channel */
QCDATA_BR_MODE_FF = 6, /* Fixed frame mode. */
QCDATA_BR_MODE_SFR = 7 /* Superframe mode. */
} QCDATA_BR_MODE;
typedef struct {
MP4_ELEMENT_ID elType;
INT instanceTag;
INT nChannelsInEl;
INT ChannelIndex[2];
FIXP_DBL relativeBits;
} ELEMENT_INFO;
typedef struct {
CHANNEL_MODE encMode;
INT nChannels;
INT nChannelsEff;
INT nElements;
ELEMENT_INFO elInfo[(6)];
// INT elDSE; /* DSE element signalling */
} CHANNEL_MAPPING;
typedef struct {
INT paddingRest;
} PADDING;
/* Quantizing & coding stage */
struct QC_INIT{
CHANNEL_MAPPING* channelMapping;
INT sceCpe; /* not used yet */
INT maxBits; /* maximum number of bits in reservoir */
INT averageBits; /* average number of bits we should use */
INT bitRes;
INT staticBits; /* Bits per frame consumed by transport layers. */
QCDATA_BR_MODE bitrateMode;
INT meanPe;
INT chBitrate;
INT invQuant;
INT maxIterations; /* Maximum number of allowed iterations before FDKaacEnc_crashRecovery() is applied. */
FIXP_DBL maxBitFac;
INT bitrate;
INT nSubFrames; /* helper variable */
INT minBits; /* minimal number of bits in one frame*/
PADDING padding;
};
typedef struct
{
FIXP_DBL mdctSpectrum[(1024)];
SHORT quantSpec[(1024)];
UINT maxValueInSfb[MAX_GROUPED_SFB];
INT scf[MAX_GROUPED_SFB];
INT globalGain;
SECTION_DATA sectionData;
FIXP_DBL sfbFormFactorLdData[MAX_GROUPED_SFB];
FIXP_DBL sfbThresholdLdData[MAX_GROUPED_SFB];
FIXP_DBL sfbMinSnrLdData[MAX_GROUPED_SFB];
FIXP_DBL sfbEnergyLdData[MAX_GROUPED_SFB];
FIXP_DBL sfbEnergy[MAX_GROUPED_SFB];
FIXP_DBL sfbWeightedEnergyLdData[MAX_GROUPED_SFB];
FIXP_DBL sfbEnFacLd[MAX_GROUPED_SFB];
FIXP_DBL sfbSpreadEnergy[MAX_GROUPED_SFB];
} QC_OUT_CHANNEL;
typedef struct
{
EXT_PAYLOAD_TYPE type; /* type of the extension payload */
INT nPayloadBits; /* size of the payload */
UCHAR *pPayload; /* pointer to payload */
} QC_OUT_EXTENSION;
typedef struct
{
INT staticBitsUsed; /* for verification purposes */
INT dynBitsUsed; /* for verification purposes */
INT extBitsUsed; /* bit consumption of extended fill elements */
INT nExtensions; /* number of extension payloads for this element */
QC_OUT_EXTENSION extension[(1)]; /* reffering extension payload */
INT grantedDynBits;
INT grantedPe;
INT grantedPeCorr;
PE_DATA peData;
QC_OUT_CHANNEL *qcOutChannel[(2)];
} QC_OUT_ELEMENT;
typedef struct
{
QC_OUT_ELEMENT *qcElement[(6)];
QC_OUT_CHANNEL *pQcOutChannels[(6)];
QC_OUT_EXTENSION extension[(2+2)]; /* global extension payload */
INT nExtensions; /* number of extension payloads for this AU */
INT maxDynBits; /* maximal allowed dynamic bits in frame */
INT grantedDynBits; /* granted dynamic bits in frame */
INT totFillBits; /* fill bits */
INT elementExtBits; /* element associated extension payload bits, e.g. sbr, drc ... */
INT globalExtBits; /* frame/au associated extension payload bits (anc data ...) */
INT staticBits; /* aac side info bits */
INT totalNoRedPe;
INT totalGrantedPeCorr;
INT usedDynBits; /* number of dynamic bits in use */
INT alignBits; /* AU alignment bits */
INT totalBits; /* sum of static, dyn, sbr, fill, align and dse bits */
} QC_OUT;
typedef struct {
INT chBitrateEl; /* channel bitrate in element (totalbitrate*el_relativeBits/el_channels) */
INT maxBitsEl; /* used in crash recovery */
INT bitResLevelEl; /* update bitreservoir level in each call of FDKaacEnc_QCMain */
INT maxBitResBitsEl; /* nEffChannels*6144 - averageBitsInFrame */
FIXP_DBL relativeBitsEl; /* Bits relative to total Bits*/
} ELEMENT_BITS;
typedef struct
{
/* this is basically struct QC_INIT */
INT globHdrBits;
INT maxBitsPerFrame; /* maximal allowed bits per frame, 6144*nChannelsEff */
INT minBitsPerFrame; /* minimal allowd bits per fram, superframing - DRM */
INT nElements;
QCDATA_BR_MODE bitrateMode;
INT bitDistributenMode; /* 0: full bitreservoir, 1: reduced bitreservoir, 2: disabled bitreservoir */
INT bitResTot;
INT bitResTotMax;
INT maxIterations; /* Maximum number of allowed iterations before FDKaacEnc_crashRecovery() is applied. */
INT invQuant;
FIXP_DBL vbrQualFactor;
FIXP_DBL maxBitFac;
PADDING padding;
ELEMENT_BITS *elementBits[(6)];
BITCNTR_STATE *hBitCounter;
ADJ_THR_STATE *hAdjThr;
} QC_STATE;
#endif /* _QC_DATA_H */
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