088122e748
* Combined Workspace for Encoder and Decoder * Addressed review comments and some minor edits --------- Co-authored-by: Divya B M <100655@ittiam.com>
106 lines
3.4 KiB
C
106 lines
3.4 KiB
C
/******************************************************************************
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* *
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* Copyright (C) 2023 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at:
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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*****************************************************************************
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* Originally developed and contributed by Ittiam Systems Pvt. Ltd, Bangalore
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*/
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#pragma once
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#ifndef TRUE
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#define TRUE (1)
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#endif
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#ifndef FALSE
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#define FALSE (0)
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#endif
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#define TRANS_FAC 8
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#define FRAME_LEN_SHORT_128 (128)
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#define FRAME_LEN_SHORT_120 (120)
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/* Block types */
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enum { LONG_WINDOW = 0, START_WINDOW, SHORT_WINDOW, STOP_WINDOW };
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/* Window shapes */
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enum { SINE_WINDOW = 0, KBD_WINDOW = 1 };
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enum { LD_WINDOW = 1 };
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/* MS stuff */
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enum { SI_MS_MASK_NONE = 0, SI_MS_MASK_SOME = 1, SI_MS_MASK_ALL = 2 };
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#define MDCT_LEN 480
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#define MDCT_LEN_BY2 240
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#define FFT5 (5)
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#define FFT2 (2)
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#define FFT16 (16)
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#define FFT4 (4)
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#define FFT3 (3)
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#define FFT15 (15)
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#define FFT15X2 (30)
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#define FFT32 (32)
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#define FFT16X2 (32)
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#define FFT32X2 (FFT32 * 2)
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#define MAX_FLT_VAL (3.402823466e+38F)
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#define MIN_FLT_VAL (1.175494351e-38F)
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#define MIN_SHRT_VAL (-32768)
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#define MAX_SHRT_VAL (32767)
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#define MAXIMUM_NO_OF_GROUPS 4
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#define MAXIMUM_SCALE_FACTOR_BAND_SHORT 15
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#define MAXIMUM_SCALE_FACTOR_BAND_LONG 51
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/* = MAXIMUM_SCALE_FACTOR_BAND_LONG */
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#define MAXIMUM_SCALE_FACTOR_BAND \
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(MAXIMUM_SCALE_FACTOR_BAND_SHORT > MAXIMUM_SCALE_FACTOR_BAND_LONG \
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? MAXIMUM_SCALE_FACTOR_BAND_SHORT \
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: MAXIMUM_SCALE_FACTOR_BAND_LONG)
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#define MAXIMUM_GROUPED_SCALE_FACTOR_BAND \
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(MAXIMUM_NO_OF_GROUPS * MAXIMUM_SCALE_FACTOR_BAND_SHORT > MAXIMUM_SCALE_FACTOR_BAND_LONG \
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? MAXIMUM_NO_OF_GROUPS * MAXIMUM_SCALE_FACTOR_BAND_SHORT \
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: MAXIMUM_SCALE_FACTOR_BAND_LONG)
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#define MAX_CHANNELS (2)
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/* For 2:1 resampler -> max phase delay * resamp_fac */
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#define MAX_DS_2_1_FILTER_DELAY (16)
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/* For 4:1 resampler -> max phase delay * resamp_fac */
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#define MAX_DS_4_1_FILTER_DELAY (64)
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/* For 8:1 resampler -> max phase delay * resamp_fac */
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#define MAX_DS_8_1_FILTER_DELAY (248)
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/* For 1:3 resampler -> max phase delay * resamp_fac */
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#define MAX_DS_1_3_FILTER_DELAY (36)
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#define BLK_SWITCH_OFFSET_LC_128 (1 * 1024 + 3 * 128 + 64 + 128)
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#define BLK_SWITCH_OFFSET_LC_120 (1 * 960 + 3 * 120 + 60 + 120)
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#define BLK_SWITCH_OFFSET_LD (2048)
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#define MAXIMUM_CHANNEL_BITS_1024 6144
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#define MAXIMUM_CHANNEL_BITS_960 5760
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#define MAXIMUM_CHANNEL_BITS_512 3072
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#define MAXIMUM_CHANNEL_BITS_480 2880
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#define TRANSFORM_OFFSET_SHORT_128 448
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#define TRANSFORM_OFFSET_SHORT_120 420
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#define PCM_LEVEL 1.0f
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#define NORMALIZED_PCM (PCM_LEVEL)
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#define CLIP_ENERGY_VALUE_LONG (1.0e9f)
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#define FADE_OUT_LEN (6)
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#define MIN_THRESH_FAC (0.01f)
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