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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 */
+
+
+
+