libxaac/encoder/ixheaace_mps_defines.h

/******************************************************************************
 *                                                                            *
 * Copyright (C) 2023 The Android Open Source Project
 *
 * 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.
 *
 *****************************************************************************
 * Originally developed and contributed by Ittiam Systems Pvt. Ltd, Bangalore
 */

#pragma once
#define NUM_QMF_BANDS (64)
#define MAX_HYBRID_BANDS (71)

#define MAX_INPUT_CHANNELS (6)
#define MAX_OUTPUT_CHANNELS (2)
#define PARAMETER_BANDS (20)

#define MAX_QMF_BANDS_TO_HYBRID (7)
#define MAX_HYBRID_ONLY_BANDS_PER_QMF (16)
#define PROTO_LEN (13)
#define BUFFER_LEN_LF (PROTO_LEN - 1 + MAX_TIME_SLOTS)

#define BUFFER_LEN_HF ((PROTO_LEN - 1) / 2)

#define MAX_BUFFER_SIZE (2048)
#define HYBRID_FILTER_DELAY (6)
#define QMF_FILTER_STATE_SYN_SIZE (640)
#define NUM_QMF_BANDS_TO_LF (3)

#define MPS_MAX_FRAME_LENGTH (4096)
#define MAX_SAMPLING_RATE (48000)
#define NUM_QMF_BANDS (64)
#define MAX_QMF_BANDS (128)

#define MAX_ANA_TIME_SLOT (192)
#define MAX_HYBRID_BAND (MAX_QMF_BANDS)
#define MAX_FRAME_TIME_SLOT (128)
#define MAX_HYBRID_STATIC_SLOT (96)
#define IXHEAACE_MPS_MAX_NUM_BOXES (1)
#define IXHEAACE_MPS_MAX_INPUT_CHANNELS (2)
#define IXHEAACE_MPS_MAX_OUTPUT_CHANNELS (1)

#define EPSILON (1e-9f)
#define PI_FLT (3.1415926535897931f)
#define ALPHA (0.0001f)

#define MAX_DELAY_INPUT (1024)
#define MAX_DELAY_OUTPUT (4096)
#define MAX_DELAY_SURROUND_ANALYSIS (20)
#define MAX_BITSTREAM_DELAY (4)
#define MAX_MPEGS_BYTES (1 << 14)
#define MAX_SSC_BYTES (1 << 6)
#define MAX_MPS_BS_PAYLOAD_SIZE 10000
#define MAX_SPACE_TREE_CHANNELS (2)
#define NUM_KEEP_WINDOWS (3)

#define WIN_ACTIV (1)
#define MAX_KEEP_FRAMECOUNT (100)

#define LEFT_CH (0)
#define RIGHT_CH (1)

#define SPACE_ONSET_THRESHOLD (3.0)
#define SPACE_ONSET_THRESHOLD_SQUARE_FLT ((1.0 / (SPACE_ONSET_THRESHOLD * SPACE_ONSET_THRESHOLD)))
#define MAX_NUM_TRANS (MAX_NUM_PARAMS / 2)

#define MAX_FREQ_RES_INDEX (8)
#define MAX_SAMPLING_FREQUENCY_INDEX (13)
#define SAMPLING_FREQUENCY_INDEX_ESCAPE (15)

#define IXHEAACE_MPS_SAC_VAR_HOLD (0)
#define IXHEAACE_MPS_SAC_VAR_ISOLATE (1)
#define IXHEAACE_MPS_FRAME_WINDOWING_INTP (0)
#define IXHEAACE_MPS_FRAME_WINDOWING_HOLD (1)

#define IXHEAACE_MPS_SAC_MAX_FREQ_BANDS (MAX_NUM_BINS)

#define IXHEAACE_MPS_MAX_CLD_QUANT_FINE (31)
#define IXHEAACE_MPS_MAX_CLD_QUANT_COARSE (15)
#define IXHEAACE_MPS_OFFSET_CLD_QUANT_COARSE (7)
#define IXHEAACE_MPS_OFFSET_CLD_QUANT_FINE (15)

#define IXHEAACE_MPS_MAX_ICC_QUANT_COARSE (4)
#define IXHEAACE_MPS_MAX_ICC_QUANT_FINE (8)
#define IXHEAACE_MPS_OFFSET_ICC_QUANT_COARSE (0)
#define IXHEAACE_MPS_OFFSET_ICC_QUANT_FINE (0)

#define MAX_NUM_PARAM_BANDS (56)

#define IXHEAACE_MPS_TREE_5151 (0)
#define IXHEAACE_MPS_TREE_5152 (1)
#define IXHEAACE_MPS_TREE_525 (2)
#define IXHEAACE_MPS_TREE_212 (7)
#define IXHEAACE_MPS_FIXED_GAIN_DMX_INVALID (-1)
#define IXHEAACE_MPS_MAX_FIXED_GAIN_DMX (7)

#define IXHEAACE_MPS_DECORR_INVALID (-1)
#define IXHEAACE_MPS_DECORR_QMFSPLIT0 (0)
#define IXHEAACE_MPS_DECORR_QMFSPLIT1 (1)
#define IXHEAACE_MPS_DECORR_QMFSPLIT2 (2)

#define IXHEAACE_MPS_DATA_MODE_DEFAULT (0)
#define IXHEAACE_MPS_DATA_MODE_KEEP (1)
#define IXHEAACE_MPS_DATA_MODE_INTERPOLATE (2)
#define IXHEAACE_MPS_DATA_MODE_FINECOARSE (3)

#define MAX_NUM_BOXES (5)
#define MAX_AAC_SHORTWINDOWGROUPS (4)
#define MAX_AAC_MDCT (1024)
#define MAX_AAC_FRAMES (2)

#define NUM_DATATYPES (3)

#define DELAY_COMPENSATION (352)

#define LOG10_2_10 (3.01029995664f)
#define INV_LN_10_10 (4.3429448190325182765112891891661f)

#define IXHEAACE_MPS_SAC_MODE_INVALID (0)
#define IXHEAACE_MPS_DMX_GAIN_DEFAULT (2)
#define IXHEAACE_MPS_SAC_BANDS_INVALID (0)
#define IXHEAACE_MPS_SAC_BANDS_ld (15)
#define IXHEAACE_MPS_SAC_BANDS_usac (28)

#define IXHEAACE_MPS_QUANTMODE_INVALID (-1)
#define IXHEAACE_MPS_QUANTMODE_FINE (0)
#define IXHEAACE_MPS_QUANTMODE_EBQ1 (1)
#define IXHEAACE_MPS_QUANTMODE_EBQ2 (2)
#define IXHEAACE_MPS_QUANTMODE_RSVD3 (3)

#define IXHEAACE_MPS_INPUT_BUFFER_IDX (0)
#define IXHEAACE_MPS_OUTUT_BUFFER_IDX (0)
#define IXHEAACE_MPS_BITSTREAM_BUFFER_IDX (1)

#define QMF_FILTER_PROTOTYPE_SIZE 640
#define QMF_NO_POLY 5
#define QMF640_PFT_TABLE_SIZE (640 / 2 + QMF_NO_POLY)
#define QMF320_MPSLDFB_PFT_TABLE_SIZE (320)
#define QMF640_MPSLDFB_PFT_TABLE_SIZE (640)
#define QMF_MPSLDFB_PFT_SCALE 1

#define MAX_MPEGS_BYTES (1 << 14)
#define MAX_SSC_BYTES (1 << 6)
#define MAX_HYBRID_BAND_OFFSET (64)

#define SQUARE_ROOT_TWO (1.41421356237f)
#define MPS_PAYLOAD_SIZE (1024)
#define ONE_BY_LN_TWO (1.44269504089f)

#define PBC_MIN_BANDS 5
#define MAXBANDS 56

#define MAX_FACTORS 23
#define MAX_PERM 209
#define NFACTOR 11
#ifndef M_PI
#define M_PI 3.14159265358979323846264338327950288
#endif
#define SIN_60 0.86602540378443865
#define COS_72 0.30901699437494742
#define SIN_72 0.95105651629515357
#define COS_22_5 (0.92387953251129f)
#define COS_67_5 (0.38268343236509f)
#define SIN_67_5 (0.92387953251129f)
#define SIN_22_5 (0.38268343236509f)
#define INV_SQRT_2 (0.70710678118655f)

#define MPS_COS_PI_BY_16 (0.980785280403230f)
#define MPS_SIN_PI_BY_16 (0.195090322016128f)
#define MPS_COS_3_PI_BY_16 (0.831469612302545f)
#define MPS_SIN_3_PI_BY_16 (0.555570233019602f)
#define MPS_COS_6_PI_BY_16 (0.923879532511287f)
#define MPS_SIN_6_PI_BY_16 (0.382683432365090f)
#define MPS_INV_SQRT2 (7.071067811865475e-1f)
#define MPS_COS_PI_DIV8 (9.238795325112867e-1f)
#define MPS_COS_3PI_DIV8 (3.826834323650898e-1f)
#define MPS_SQRT2PLUS1 (2.414213562373095f)
#define MPS_SQRT2MINUS1 (4.142135623730952e-1f)