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/*
** Copyright 2003-2010, VisualOn, Inc.
**
** 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.
*/
/*******************************************************************************
File: qc_data.h
Content: Quantizing & coding structures
*******************************************************************************/
#ifndef _QC_DATA_H
#define _QC_DATA_H
#include "psy_const.h"
#include "dyn_bits.h"
#include "adj_thr_data.h"
#define MAX_MODES 10
typedef enum {
MODE_INVALID = 0,
MODE_1, /* mono */
MODE_1_1, /* dual mono */
MODE_2 /* stereo */
} ENCODER_MODE;
typedef enum {
ID_SCE=0, /* Single Channel Element */
ID_CPE=1, /* Channel Pair Element */
ID_CCE=2, /* Coupling Channel Element */
ID_LFE=3, /* LFE Channel Element */
ID_DSE=4, /* current one DSE element for ancillary is supported */
ID_PCE=5,
ID_FIL=6,
ID_END=7
}ELEMENT_TYPE;
typedef struct {
ELEMENT_TYPE elType;
Word16 instanceTag;
Word16 nChannelsInEl;
Word16 ChannelIndex[MAX_CHANNELS];
} ELEMENT_INFO;
typedef struct {
Word32 paddingRest;
} PADDING;
/* Quantizing & coding stage */
struct QC_INIT{
ELEMENT_INFO *elInfo;
Word16 maxBits; /* maximum number of bits in reservoir */
Word16 averageBits; /* average number of bits we should use */
Word16 bitRes;
Word16 meanPe;
Word32 chBitrate;
Word16 maxBitFac;
Word32 bitrate;
PADDING padding;
};
typedef struct
{
Word16 *quantSpec; /* [FRAME_LEN_LONG]; */
UWord16 *maxValueInSfb; /* [MAX_GROUPED_SFB]; */
Word16 *scf; /* [MAX_GROUPED_SFB]; */
Word16 globalGain;
Word16 mdctScale;
Word16 groupingMask;
SECTION_DATA sectionData;
Word16 windowShape;
} QC_OUT_CHANNEL;
typedef struct
{
Word16 adtsUsed;
Word16 staticBitsUsed; /* for verification purposes */
Word16 dynBitsUsed; /* for verification purposes */
Word16 pe;
Word16 ancBitsUsed;
Word16 fillBits;
} QC_OUT_ELEMENT;
typedef struct
{
QC_OUT_CHANNEL qcChannel[MAX_CHANNELS];
QC_OUT_ELEMENT qcElement;
Word16 totStaticBitsUsed; /* for verification purposes */
Word16 totDynBitsUsed; /* for verification purposes */
Word16 totAncBitsUsed; /* for verification purposes */
Word16 totFillBits;
Word16 alignBits;
Word16 bitResTot;
Word16 averageBitsTot;
} QC_OUT;
typedef struct {
Word32 chBitrate;
Word16 averageBits; /* brutto -> look ancillary.h */
Word16 maxBits;
Word16 bitResLevel;
Word16 maxBitResBits;
Word16 relativeBits; /* Bits relative to total Bits scaled down by 2 */
} ELEMENT_BITS;
typedef struct
{
/* this is basically struct QC_INIT */
Word16 averageBitsTot;
Word16 maxBitsTot;
Word16 globStatBits;
Word16 nChannels;
Word16 bitResTot;
Word16 maxBitFac;
PADDING padding;
ELEMENT_BITS elementBits;
ADJ_THR_STATE adjThr;
Word16 logSfbFormFactor[MAX_CHANNELS][MAX_GROUPED_SFB];
Word16 sfbNRelevantLines[MAX_CHANNELS][MAX_GROUPED_SFB];
Word16 logSfbEnergy[MAX_CHANNELS][MAX_GROUPED_SFB];
} QC_STATE;
#endif /* _QC_DATA_H */
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