decoder/ixheaacd_sbr_const.h - platform/external/libxaac - Git at Google

 /******************************************************************************
  *                                                                            *
  * Copyright (C) 2018 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
 */
 #ifndef IXHEAACD_SBR_CONST_H
 #define IXHEAACD_SBR_CONST_H

 #define SBR_AMPLITUDE_RESOLUTION_1_5 0
 #define SBR_AMPLITUDE_RESOLUTION_3_0 1
 #define NOISE_FLOOR_OFFSET_INT 6

 #define LOW 0
 #define HIGH 1

 #define DTDF_DIR_TIME 1
 #define DTDF_DIR_FREQ 0

 #define SBR_CYC_REDCY_CHK_BITS 10

 #define SBR_SAMP_FEQ_LVL_DEF 2
 #define SBR_CHANGE_LVL_DEF 1
 #define SBR_NOISE_BND_DEF 2

 #define SBR_BND_LIMIT_DEF 2
 #define SBR_GAIN_LIMIT_DEF 2
 #define SBR_INTERPOL_SAMP_FEQ_DEF 1
 #define SBR_SMOOTH_LEN_DEF 1

 #define SBR_AMPLITUDE_RESOLUTION_BITS 1
 #define SBR_BEGIN_SAMP_FREQ_BITS 4
 #define SBR_END_SAMP_FREQ_BITS 4
 #define SBR_CROSS_OVER_BND_BITS 3

 #define ESBR_CROSS_OVER_BND_BITS 4
 #define ESBR_PRE_FLAT_BITS 1
 #define ESBR_PVC_MODE_BITS 2

 #define ESBR_HEADER_EXTRA_3_BITS 1
 #define PVC_MODE_BITS 2

 #define SBR_HDR_EXTR_1_BITS 1
 #define SBR_HDR_EXTR_2_BITS 1

 #define SBR_SAMP_FREQ_LVL_BITS 2
 #define SBR_CHANGE_LVL_BITS 1
 #define SBR_NOISE_BND_BITS 2

 #define SBR_BND_LIMIT_BITS 2
 #define SBR_GAIN_LIMIT_BITS 2
 #define SBR_INTERPOL_SAMP_FREQ_BITS 1
 #define SBR_SMOOTH_LEN_BITS 1
 #define SBR_STOCK_HE2_BITS 1
 #define SBR_HDR_RESERV_BITS 2
 #define SBR_SCE_RESERV_BITS 4

 #define SBR_COUPLNG_MODE_BITS 1

 #define SBR_INVERSE_FILT_MODE_BITS 2

 #define SBR_ENLARGED_DATA_BITS 1
 #define SBR_CONT_SIZE_BITS 4
 #define SBR_CONT_ESC_CNT_BITS 8
 #define SBR_CONT_ID_BITS 2

 #define SBR_DEL_COD_DIR_BITS 1

 #define SBR_ADD_SINE_FLAG_BITS 1

 #define SBR_BEGIN_ENVN_BITS_AMPLITUDE_RESOLUTION_3_0 6
 #define SBR_BEGIN_ENVN_BITS_BALNCE_AMPLITUDE_RESOLUTION_3_0 5
 #define SBR_BEGIN_NOISE_BITS_AMPLITUDE_RESOLUTION_3_0 5
 #define SBR_BEGIN_NOISE_BITS_BALNCE_AMPLITUDE_RESOLUTION_3_0 5

 #define SBR_BEGIN_ENVN_BITS_AMPLITUDE_RESOLUTION_1_5 7
 #define SBR_BEGIN_ENVN_BITS_BALNCE_AMPLITUDE_RESOLUTION_1_5 6

 #define NOISE_FLOOR_OFFSET 6.0f

 #define QMF_BUFFER_SIZE 64
 #define TIMESLOT_BUFFER_SIZE 78

 #define MAX_NUM_QMF_BANDS_ESBR 128

 #define SBR_HF_ADJ_OFFSET 2

 #define ESBR_HBE_DELAY_OFFSET 32

 #define HBE_OPER_WIN_LEN (13)
 #define NO_QMF_SYNTH_CHANNELS 64
 #define TWICE_QMF_SYNTH_CHANNELS_NUM 128

 #define MAX_NO_COLS_VALUE 64
 #define MAX_NO_COLS_VALUE_BY_2 (MAX_NO_COLS_VALUE >> 1)

 #define MAX_QMF_X_INBUF_SIZE (MAX_NO_COLS_VALUE_BY_2 + HBE_OPER_WIN_LEN - 1)
 #define MAX_QMF_X_OUTBUF_SIZE \
   2 * (MAX_NO_COLS_VALUE_BY_2 + HBE_OPER_WIN_LEN - 1)
 #define MAX_QMF_X_IN_REAL_BUF (NO_QMF_SYNTH_CHANNELS * MAX_QMF_X_INBUF_SIZE)
 #define MAX_QMF_X_IN_IMAG_BUF (NO_QMF_SYNTH_CHANNELS * MAX_QMF_X_INBUF_SIZE)

 #define MAX_QMF_X_OUT_REAL_BUF (NO_QMF_SYNTH_CHANNELS * MAX_QMF_X_OUTBUF_SIZE)
 #define MAX_QMF_X_OUT_IMAG_BUF (NO_QMF_SYNTH_CHANNELS * MAX_QMF_X_OUTBUF_SIZE)

 #define X_INBUF_SIZE (MAX_FRAME_SIZE + NO_QMF_SYNTH_CHANNELS)
 #define X_OUTBUF_SIZE (X_INBUF_SIZE * 2)

 #define HBE_OPER_BLK_LEN_2 10
 #define HBE_OPER_BLK_LEN_3 8
 #define HBE_OPER_BLK_LEN_4 6

 #define MAX_HBE_PERSISTENT_SIZE                                                \
   (MAX_QMF_X_INBUF_SIZE * sizeof(FLOAT32*) +                                   \
    MAX_QMF_X_OUTBUF_SIZE * sizeof(FLOAT32*) +                                  \
    MAX_QMF_X_IN_REAL_BUF * sizeof(FLOAT32) +                                   \
    MAX_QMF_X_IN_IMAG_BUF * sizeof(FLOAT32) +                                   \
    MAX_QMF_X_OUT_REAL_BUF * sizeof(FLOAT32) +                                  \
    MAX_QMF_X_OUT_IMAG_BUF * sizeof(FLOAT32) + X_INBUF_SIZE * sizeof(FLOAT32) + \
    X_OUTBUF_SIZE * sizeof(FLOAT32))

 #define MAX_QMF_BUF_LEN 78

 #define SBR_FRAME_CLASS_BITS 2
 #define SBR_VAR_BORD_BITS 2
 #define SBR_FRQ_RES_BITS 1
 #define SBR_REL_BITS 2
 #define SBR_ENV_BITS 2
 #define SBR_NUM_BITS 2

 #define FIXFIX 0
 #define FIXVAR 1
 #define VARFIX 2
 #define VARVAR 3

 #define LEN_NIBBLE (4)

 #define PI 3.14159265358979323846264338327950288
 #define EPS 1e-12f
 #define LOG2 0.69314718056f

 #define MAX_STRETCH 4
 #define MAXDEG 3

 #define EXP_FOR_SQRT 0.5f

 #define SBR_HF_RELAXATION_PARAM 0.999999f

 #define ESBR_PATCHING_MODE_BITS 1
 #define ESBR_OVERSAMPLING_FLAG_BITS 1
 #define ESBR_PITCHIN_FLAG_BITS 1
 #define ESBR_PITCHIN_BINS_BITS 7
 #define ESBR_RESERVED_PRESENT 1
 #define ESBR_RESERVED_BITS_DATA 4
 #define ESBR_INVF_MODE_BITS 2
 #define ESBR_NOISE_MODE_BITS 1
 #define ESBR_DOMAIN_BITS 1

 #define SBR_NUM_QMF_BANDS 64
 #define SBR_NUM_QMF_BANDS_2 32

 #define PVC_NUM_TIME_SLOTS 16
 #define PVC_ESG_MIN_VAL 0.1f

 #define PVC_10LOG10_ESG_MIN_VAL -10.0f

 #define PVC_DIV_MODE_BITS 3
 #define PVC_NS_MODE_BITS 1
 #define PVC_GRID_INFO_BITS 1
 #define PVC_REUSE_PVC_ID_BITS 1
 #define PVC_ID_BITS 7
 #define PVC_NB_HIGH_MODE1 8
 #define PVC_NB_HIGH_MODE2 6

 #define PVC_NB_LOW 3
 #define PVC_ID_NUM_GROUPS 3
 #define PVC_NB_HIGH 128
 #define PVC_ID_NBIT 7

 #define ESC_SIN_POS 31
 #define MAX_OCTAVE 29
 #define MAX_SECOND_REGION 50

 #define SBR_ENERGY_PAN_OFFSET 12
 #define SBR_ENV_SF_MAX_VAL_1_5 70
 #define MAX_NOISE_FLOOR_FAC_VAL 35
 #define MIN_NOISE_FLOOR_FAC_VAL 0

 #define HBE_ZERO_BAND_IDX 6

 #define MAX_OV_DELAY 12

 #define LD_TRAN 1
 #define SBR_TRAN_BITS 4
 #define SBRLD_CLA_BITS 1
 #define SBR_ENVT_NUMENV 0
 #define SBR_ENVT_TRANIDX 3

 static const int ixheaacd_ld_env_table_512[16][4] = {
     {2, 4, -1, 0},  {2, 5, -1, 0},  {3, 2, 6, 1},   {3, 3, 7, 1},
     {3, 4, 8, 1},   {3, 5, 9, 1},   {3, 6, 10, 1},  {3, 7, 11, 1},
     {3, 8, 12, 1},  {3, 9, 13, 1},  {3, 10, 14, 1}, {2, 11, -1, 1},
     {2, 12, -1, 1}, {2, 13, -1, 1}, {2, 14, -1, 1}, {2, 15, -1, 1},
 };

 static const int ixheaacd_ld_env_table_480[15][4] = {
     {2, 4, -1, 0},  {2, 5, -1, 0},  {3, 2, 6, 1},   {3, 3, 7, 1},
     {3, 4, 8, 1},   {3, 5, 9, 1},   {3, 6, 10, 1},  {3, 7, 11, 1},
     {3, 8, 12, 1},  {3, 9, 13, 1},  {2, 10, -1, 1}, {2, 11, -1, 1},
     {2, 12, -1, 1}, {2, 13, -1, 1}, {2, 14, -1, 1},
 };

 static const int ixheaacd_ld_env_table_time_slot[4] = {8, 5, 0, 0};

 #define SBR_CLA_BITS 2
 #define SBR_ABS_BITS 2
 #define SBR_RES_BITS 1
 #define SBR_REL_BITS 2
 #define SBR_ENV_BITS 2
 #define SBR_NUM_BITS 2

 #define FIXFIX 0
 #define FIXVAR 1
 #define VARFIX 2
 #define VARVAR 3

 #define LEN_NIBBLE (4)

 #endif
	/******************************************************************************
	* *
	* Copyright (C) 2018 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
	*/
	#ifndef IXHEAACD_SBR_CONST_H
	#define IXHEAACD_SBR_CONST_H

	#define SBR_AMPLITUDE_RESOLUTION_1_5 0
	#define SBR_AMPLITUDE_RESOLUTION_3_0 1
	#define NOISE_FLOOR_OFFSET_INT 6

	#define LOW 0
	#define HIGH 1

	#define DTDF_DIR_TIME 1
	#define DTDF_DIR_FREQ 0

	#define SBR_CYC_REDCY_CHK_BITS 10

	#define SBR_SAMP_FEQ_LVL_DEF 2
	#define SBR_CHANGE_LVL_DEF 1
	#define SBR_NOISE_BND_DEF 2

	#define SBR_BND_LIMIT_DEF 2
	#define SBR_GAIN_LIMIT_DEF 2
	#define SBR_INTERPOL_SAMP_FEQ_DEF 1
	#define SBR_SMOOTH_LEN_DEF 1

	#define SBR_AMPLITUDE_RESOLUTION_BITS 1
	#define SBR_BEGIN_SAMP_FREQ_BITS 4
	#define SBR_END_SAMP_FREQ_BITS 4
	#define SBR_CROSS_OVER_BND_BITS 3

	#define ESBR_CROSS_OVER_BND_BITS 4
	#define ESBR_PRE_FLAT_BITS 1
	#define ESBR_PVC_MODE_BITS 2

	#define ESBR_HEADER_EXTRA_3_BITS 1
	#define PVC_MODE_BITS 2

	#define SBR_HDR_EXTR_1_BITS 1
	#define SBR_HDR_EXTR_2_BITS 1

	#define SBR_SAMP_FREQ_LVL_BITS 2
	#define SBR_CHANGE_LVL_BITS 1
	#define SBR_NOISE_BND_BITS 2

	#define SBR_BND_LIMIT_BITS 2
	#define SBR_GAIN_LIMIT_BITS 2
	#define SBR_INTERPOL_SAMP_FREQ_BITS 1
	#define SBR_SMOOTH_LEN_BITS 1
	#define SBR_STOCK_HE2_BITS 1
	#define SBR_HDR_RESERV_BITS 2
	#define SBR_SCE_RESERV_BITS 4

	#define SBR_COUPLNG_MODE_BITS 1

	#define SBR_INVERSE_FILT_MODE_BITS 2

	#define SBR_ENLARGED_DATA_BITS 1
	#define SBR_CONT_SIZE_BITS 4
	#define SBR_CONT_ESC_CNT_BITS 8
	#define SBR_CONT_ID_BITS 2

	#define SBR_DEL_COD_DIR_BITS 1

	#define SBR_ADD_SINE_FLAG_BITS 1

	#define SBR_BEGIN_ENVN_BITS_AMPLITUDE_RESOLUTION_3_0 6
	#define SBR_BEGIN_ENVN_BITS_BALNCE_AMPLITUDE_RESOLUTION_3_0 5
	#define SBR_BEGIN_NOISE_BITS_AMPLITUDE_RESOLUTION_3_0 5
	#define SBR_BEGIN_NOISE_BITS_BALNCE_AMPLITUDE_RESOLUTION_3_0 5

	#define SBR_BEGIN_ENVN_BITS_AMPLITUDE_RESOLUTION_1_5 7
	#define SBR_BEGIN_ENVN_BITS_BALNCE_AMPLITUDE_RESOLUTION_1_5 6

	#define NOISE_FLOOR_OFFSET 6.0f

	#define QMF_BUFFER_SIZE 64
	#define TIMESLOT_BUFFER_SIZE 78

	#define MAX_NUM_QMF_BANDS_ESBR 128

	#define SBR_HF_ADJ_OFFSET 2

	#define ESBR_HBE_DELAY_OFFSET 32

	#define HBE_OPER_WIN_LEN (13)
	#define NO_QMF_SYNTH_CHANNELS 64
	#define TWICE_QMF_SYNTH_CHANNELS_NUM 128

	#define MAX_NO_COLS_VALUE 64
	#define MAX_NO_COLS_VALUE_BY_2 (MAX_NO_COLS_VALUE >> 1)

	#define MAX_QMF_X_INBUF_SIZE (MAX_NO_COLS_VALUE_BY_2 + HBE_OPER_WIN_LEN - 1)
	#define MAX_QMF_X_OUTBUF_SIZE \
	2 * (MAX_NO_COLS_VALUE_BY_2 + HBE_OPER_WIN_LEN - 1)
	#define MAX_QMF_X_IN_REAL_BUF (NO_QMF_SYNTH_CHANNELS * MAX_QMF_X_INBUF_SIZE)
	#define MAX_QMF_X_IN_IMAG_BUF (NO_QMF_SYNTH_CHANNELS * MAX_QMF_X_INBUF_SIZE)

	#define MAX_QMF_X_OUT_REAL_BUF (NO_QMF_SYNTH_CHANNELS * MAX_QMF_X_OUTBUF_SIZE)
	#define MAX_QMF_X_OUT_IMAG_BUF (NO_QMF_SYNTH_CHANNELS * MAX_QMF_X_OUTBUF_SIZE)

	#define X_INBUF_SIZE (MAX_FRAME_SIZE + NO_QMF_SYNTH_CHANNELS)
	#define X_OUTBUF_SIZE (X_INBUF_SIZE * 2)

	#define HBE_OPER_BLK_LEN_2 10
	#define HBE_OPER_BLK_LEN_3 8
	#define HBE_OPER_BLK_LEN_4 6

	#define MAX_HBE_PERSISTENT_SIZE \
	(MAX_QMF_X_INBUF_SIZE * sizeof(FLOAT32*) + \
	MAX_QMF_X_OUTBUF_SIZE * sizeof(FLOAT32*) + \
	MAX_QMF_X_IN_REAL_BUF * sizeof(FLOAT32) + \
	MAX_QMF_X_IN_IMAG_BUF * sizeof(FLOAT32) + \
	MAX_QMF_X_OUT_REAL_BUF * sizeof(FLOAT32) + \
	MAX_QMF_X_OUT_IMAG_BUF * sizeof(FLOAT32) + X_INBUF_SIZE * sizeof(FLOAT32) + \
	X_OUTBUF_SIZE * sizeof(FLOAT32))

	#define MAX_QMF_BUF_LEN 78

	#define SBR_FRAME_CLASS_BITS 2
	#define SBR_VAR_BORD_BITS 2
	#define SBR_FRQ_RES_BITS 1
	#define SBR_REL_BITS 2
	#define SBR_ENV_BITS 2
	#define SBR_NUM_BITS 2

	#define FIXFIX 0
	#define FIXVAR 1
	#define VARFIX 2
	#define VARVAR 3

	#define LEN_NIBBLE (4)

	#define PI 3.14159265358979323846264338327950288
	#define EPS 1e-12f
	#define LOG2 0.69314718056f

	#define MAX_STRETCH 4
	#define MAXDEG 3

	#define EXP_FOR_SQRT 0.5f

	#define SBR_HF_RELAXATION_PARAM 0.999999f

	#define ESBR_PATCHING_MODE_BITS 1
	#define ESBR_OVERSAMPLING_FLAG_BITS 1
	#define ESBR_PITCHIN_FLAG_BITS 1
	#define ESBR_PITCHIN_BINS_BITS 7
	#define ESBR_RESERVED_PRESENT 1
	#define ESBR_RESERVED_BITS_DATA 4
	#define ESBR_INVF_MODE_BITS 2
	#define ESBR_NOISE_MODE_BITS 1
	#define ESBR_DOMAIN_BITS 1

	#define SBR_NUM_QMF_BANDS 64
	#define SBR_NUM_QMF_BANDS_2 32

	#define PVC_NUM_TIME_SLOTS 16
	#define PVC_ESG_MIN_VAL 0.1f

	#define PVC_10LOG10_ESG_MIN_VAL -10.0f

	#define PVC_DIV_MODE_BITS 3
	#define PVC_NS_MODE_BITS 1
	#define PVC_GRID_INFO_BITS 1
	#define PVC_REUSE_PVC_ID_BITS 1
	#define PVC_ID_BITS 7
	#define PVC_NB_HIGH_MODE1 8
	#define PVC_NB_HIGH_MODE2 6

	#define PVC_NB_LOW 3
	#define PVC_ID_NUM_GROUPS 3
	#define PVC_NB_HIGH 128
	#define PVC_ID_NBIT 7

	#define ESC_SIN_POS 31
	#define MAX_OCTAVE 29
	#define MAX_SECOND_REGION 50

	#define SBR_ENERGY_PAN_OFFSET 12
	#define SBR_ENV_SF_MAX_VAL_1_5 70
	#define MAX_NOISE_FLOOR_FAC_VAL 35
	#define MIN_NOISE_FLOOR_FAC_VAL 0

	#define HBE_ZERO_BAND_IDX 6

	#define MAX_OV_DELAY 12

	#define LD_TRAN 1
	#define SBR_TRAN_BITS 4
	#define SBRLD_CLA_BITS 1
	#define SBR_ENVT_NUMENV 0
	#define SBR_ENVT_TRANIDX 3

	static const int ixheaacd_ld_env_table_512[16][4] = {
	{2, 4, -1, 0}, {2, 5, -1, 0}, {3, 2, 6, 1}, {3, 3, 7, 1},
	{3, 4, 8, 1}, {3, 5, 9, 1}, {3, 6, 10, 1}, {3, 7, 11, 1},
	{3, 8, 12, 1}, {3, 9, 13, 1}, {3, 10, 14, 1}, {2, 11, -1, 1},
	{2, 12, -1, 1}, {2, 13, -1, 1}, {2, 14, -1, 1}, {2, 15, -1, 1},
	};

	static const int ixheaacd_ld_env_table_480[15][4] = {
	{2, 4, -1, 0}, {2, 5, -1, 0}, {3, 2, 6, 1}, {3, 3, 7, 1},
	{3, 4, 8, 1}, {3, 5, 9, 1}, {3, 6, 10, 1}, {3, 7, 11, 1},
	{3, 8, 12, 1}, {3, 9, 13, 1}, {2, 10, -1, 1}, {2, 11, -1, 1},
	{2, 12, -1, 1}, {2, 13, -1, 1}, {2, 14, -1, 1},
	};

	static const int ixheaacd_ld_env_table_time_slot[4] = {8, 5, 0, 0};

	#define SBR_CLA_BITS 2
	#define SBR_ABS_BITS 2
	#define SBR_RES_BITS 1
	#define SBR_REL_BITS 2
	#define SBR_ENV_BITS 2
	#define SBR_NUM_BITS 2

	#define FIXFIX 0
	#define FIXVAR 1
	#define VARFIX 2
	#define VARVAR 3

	#define LEN_NIBBLE (4)

	#endif