088122e748
* Combined Workspace for Encoder and Decoder * Addressed review comments and some minor edits --------- Co-authored-by: Divya B M <100655@ittiam.com>
82 lines
No EOL
3.8 KiB
C
82 lines
No EOL
3.8 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 PI
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#define PI (3.141592653589795)
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#endif
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#define LS_TRANS_128 448 //((long_frame_len - FRAME_LEN_SHORT_128) / 2)
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#define LS_TRANS_120 420
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#define DIG_REV(i, m, j) \
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do { \
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unsigned _ = (i); \
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_ = ((_ & 0x33333333) << 2) | ((_ & ~0x33333333) >> 2); \
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_ = ((_ & 0x0F0F0F0F) << 4) | ((_ & ~0x0F0F0F0F) >> 4); \
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_ = ((_ & 0x00FF00FF) << 8) | ((_ & ~0x00FF00FF) >> 8); \
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_ = ((_ & 0x0000FFFF) << 16) | ((_ & ~0x0000FFFF) >> 16); \
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(j) = _ >> (m); \
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} while (0)
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#define DIG_REV_NEW(i, m, j) \
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do { \
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unsigned _ = (i); \
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_ = ((_ & 0x33333333) << 2) | ((_ & ~0x33333333) >> 2); \
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_ = ((_ & 0x0F0F0F0F) << 4) | ((_ & ~0x0F0F0F0F) >> 4); \
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_ = ((_ & 0x00FF00FF) << 8) | ((_ & ~0x00FF00FF) >> 8); \
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(j) = _ >> (m); \
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} while (0)
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typedef struct {
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FLOAT32 p_fft_p2_y[2048];
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FLOAT32 p_fft_p3_data_3[800];
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FLOAT32 p_fft_p3_y[2048];
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} ixheaace_scratch_mem;
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VOID ia_enhaacplus_enc_complex_fft(FLOAT32 *ptr_data, WORD32 len,
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ixheaace_scratch_mem *pstr_scratch);
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VOID ia_eaacp_enc_pre_twiddle_aac(FLOAT32 *ptr_x, FLOAT32 *ptr_data, WORD32 n,
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const FLOAT32 *ptr_cos_array);
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VOID ia_enhaacplus_enc_post_twiddle(FLOAT32 *ptr_out, FLOAT32 *ptr_x,
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const FLOAT32 *ptr_cos_sin_tbl, WORD m);
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VOID ia_aac_ld_enc_mdct_480(FLOAT32 *ptr_inp, FLOAT32 *ptr_scratch, WORD32 mdct_flag,
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ixheaace_mdct_tables *pstr_mdct_tables);
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VOID ia_enhaacplus_enc_complex_fft_p2(FLOAT32 *ptr_x, WORD32 nlength,
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FLOAT32 *ptr_scratch_fft_p2_y);
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VOID ixheaace_transform_real_lc_ld(FLOAT32 *ptr_mdct_delay_buffer, const FLOAT32 *ptr_time_signal,
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WORD32 ch_increment, FLOAT32 *ptr_real_out, WORD32 block_type,
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WORD32 frame_len, WORD8 *ptr_scratch);
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VOID ia_enhaacplus_enc_transform_real_eld(FLOAT32 *ptr_mdct_delay_buffer,
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const FLOAT32 *ptr_time_signal, WORD32 ch_increment,
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FLOAT32 *ptr_real_out, WORD8 *ptr_shared_buffer5,
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WORD32 frame_len);
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VOID ia_enhaacplus_enc_transform_real(FLOAT32 *ptr_mdct_delay_buffer,
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const FLOAT32 *ptr_time_signal, WORD32 ch_increment,
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FLOAT32 *ptr_real_out, ixheaace_mdct_tables *pstr_mdct_tab,
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FLOAT32 *ptr_shared_buffer1, WORD8 *ptr_shared_buffer5,
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WORD32 long_frame_len); |