1209 lines
41 KiB
C
1209 lines
41 KiB
C
/******************************************************************************
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* *
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* Copyright (C) 2018 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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#include <string.h>
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#include "ixheaacd_sbr_common.h"
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#include "ixheaacd_type_def.h"
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#include "ixheaacd_constants.h"
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#include "ixheaacd_basic_ops32.h"
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#include "ixheaacd_basic_ops16.h"
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#include "ixheaacd_basic_ops40.h"
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#include "ixheaacd_basic_ops.h"
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#include "ixheaacd_bitbuffer.h"
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#include "ixheaacd_basic_op.h"
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#include "ixheaacd_intrinsics.h"
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#include "ixheaacd_defines.h"
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#include "ixheaacd_aac_rom.h"
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#include "ixheaacd_definitions.h"
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#include "ixheaacd_error_codes.h"
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#include "ixheaacd_pulsedata.h"
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#include "ixheaacd_pns.h"
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#include "ixheaacd_drc_data_struct.h"
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#include "ixheaacd_lt_predict.h"
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#include "ixheaacd_cnst.h"
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#include "ixheaacd_ec_defines.h"
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#include "ixheaacd_ec_struct_def.h"
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#include "ixheaacd_channelinfo.h"
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#include "ixheaacd_drc_dec.h"
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#include "ixheaacd_sbrdecoder.h"
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#include "ixheaacd_block.h"
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#include "ixheaacd_channel.h"
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#include "ixheaacd_sbr_payload.h"
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#include "ixheaacd_common_rom.h"
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#include "ixheaacd_sbrdecsettings.h"
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#include "ixheaacd_sbr_scale.h"
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#include "ixheaacd_env_extr_part.h"
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#include "ixheaacd_sbr_rom.h"
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#include "ixheaacd_lpp_tran.h"
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#include "ixheaacd_hybrid.h"
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#include "ixheaacd_ps_dec.h"
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#include "ixheaacd_env_extr.h"
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#include "ixheaacd_adts.h"
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#include "ixheaacd_audioobjtypes.h"
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#include "ixheaacd_memory_standards.h"
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#include "ixheaacd_latmdemux.h"
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#include "ixheaacd_qmf_dec.h"
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#include "ixheaacd_aacdec.h"
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#include "ixheaacd_mps_polyphase.h"
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#include "ixheaacd_config.h"
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#include "ixheaacd_mps_macro_def.h"
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#include "ixheaacd_mps_struct_def.h"
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#include "ixheaacd_mps_res_rom.h"
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#include "ixheaacd_mps_aac_struct.h"
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#include "ixheaacd_mps_dec.h"
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#include "ixheaacd_struct_def.h"
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#include "ixheaacd_tns.h"
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#include "ixheaacd_aac_imdct.h"
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#include "ixheaacd_multichannel.h"
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#include "ixheaacd_function_selector.h"
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VOID ixheaacd_process_win_seq(WORD32 *coef, WORD32 *prev, WORD32 *out,
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const WORD16 *window_long,
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const WORD16 *window_short, WORD16 q_shift,
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WORD16 ch_fac, WORD16 flag, WORD16 size_01) {
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WORD32 i, accu;
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WORD32 *coef_1;
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const WORD16 *temp_win_sh, *temp_win_long;
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WORD32 *out1, *out2;
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WORD32 *temp_prev;
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WORD16 size_07 = 7 * size_01;
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WORD16 size_08 = 8 * size_01;
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WORD16 size_09 = 9 * size_01;
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WORD16 size_14 = 14 * size_01;
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WORD16 size_15 = 15 * size_01;
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if (flag == 1) {
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for (i = 0; i < size_07; i++) {
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WORD32 temp1 = ixheaacd_shl32_dir_sat_limit(
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ixheaacd_mult32x16in32(coef[size_08 + i], window_long[2 * i]),
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(q_shift + 1));
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accu = ixheaacd_add32_sat(temp1, ((WORD32)prev[i] << 16));
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out[ch_fac * i] = accu;
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accu = ixheaacd_shl32_dir_sat_limit(
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ixheaacd_mult32x16in32(-(coef[size_15 - 1 - i]),
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window_long[2 * (size_07 - i) - 1]),
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q_shift);
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out[ch_fac * (i + size_09)] = (accu << 1);
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}
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temp_win_sh = &(window_short[0]);
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coef_1 = &(coef[size_15]);
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temp_win_long = &(window_long[size_14]);
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temp_prev = &(prev[size_08 - 1]);
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out1 = &(out[ch_fac * (size_07)]);
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out2 = &(out[ch_fac * (size_09 - 1)]);
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} else {
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for (i = 0; i < size_07; i++) {
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accu = ixheaacd_mult32x16in32_sat(
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prev[size_08 - 1 - i], ixheaacd_negate16(window_long[2 * i + 1]));
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out[ch_fac * i] = accu;
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accu = ixheaacd_sub32_sat(
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ixheaacd_shl32_dir_sat_limit(-(coef[size_15 - 1 - i]), (q_shift - 1)),
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ixheaacd_mult32x16in32_sat(prev[i + size_01],
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window_long[2 * size_07 - 2 - 2 * i]));
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out[ch_fac * (size_09 + i)] = accu;
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}
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temp_win_sh = &(window_long[size_14]);
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coef_1 = &(coef[size_15]);
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temp_win_long = &(window_short[0]);
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temp_prev = &(prev[size_01 - 1]);
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out1 = &(out[ch_fac * (size_07)]);
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out2 = &(out[ch_fac * (size_09 - 1)]);
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}
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for (i = size_01 - 1; i >= 0; i--) {
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WORD32 temp_coef = *coef_1++;
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WORD16 win1 = *temp_win_long++;
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WORD16 win2 = *temp_win_long++;
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WORD32 prev1 = *temp_prev--;
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WORD16 win4 = *temp_win_sh++;
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WORD16 win3 = *temp_win_sh++;
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accu = ixheaacd_sub32_sat(
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ixheaacd_shl32_dir_sat_limit(ixheaacd_mult32x16in32(temp_coef, win1),
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q_shift),
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ixheaacd_mult32x16in32_sat(prev1, win3));
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*out1 = accu << flag;
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out1 += ch_fac;
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accu = ixheaacd_sub32_sat(
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ixheaacd_shl32_dir_sat_limit(
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ixheaacd_mult32x16in32(ixheaacd_negate32_sat(temp_coef), win2),
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q_shift),
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ixheaacd_mult32x16in32_sat(prev1, win4));
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*out2 = accu << flag;
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out2 -= ch_fac;
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}
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}
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static PLATFORM_INLINE VOID ixheaacd_long_short_win_process(
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WORD32 *current, WORD32 *prev, WORD32 *out, const WORD16 *short_window,
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const WORD16 *long_window_prev, WORD16 q_shift, WORD16 ch_fac,
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WORD32 flag, WORD16 size_01) {
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WORD16 size_02 = 2 * size_01;
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WORD16 size_03 = 3 * size_01;
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WORD i;
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WORD32 accu;
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WORD32 *current_tmp1 = &(current[(size_03 - 1)]);
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WORD32 *current_tmp2 = &(current[-size_01]);
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const WORD16 *short_ptr = &(short_window[size_02 - 1]);
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for (i = size_01 - 1; i >= 0; i--) {
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WORD32 tmp1_cur = *current_tmp1--;
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WORD32 tmp2_cur = *current_tmp2++;
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WORD16 short1 = *short_ptr--;
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WORD16 short2 = *short_ptr--;
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accu = ixheaacd_sub32_sat(
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ixheaacd_shl32_dir_sat_limit((ixheaacd_mult32x16in32(tmp1_cur, short2) -
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ixheaacd_mult32x16in32(tmp2_cur, short1)),
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q_shift),
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ixheaacd_mult32x16in32_sat(prev[i], long_window_prev[0 - 2 - 2 * i]));
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out[ch_fac * (0 + i)] = accu;
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if (flag) {
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accu = ixheaacd_sub32_sat(
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ixheaacd_shl32_dir_sat_limit(
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(ixheaacd_mult32x16in32(ixheaacd_negate32_sat(tmp1_cur), short1) -
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ixheaacd_mult32x16in32(tmp2_cur, short2)),
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q_shift),
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ixheaacd_mult32x16in32_sat(prev[size_02 - 1 - i],
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long_window_prev[-2 * size_02 + 2 * i]));
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out[ch_fac * (size_02 - 1 - i)] = accu;
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}
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}
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}
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VOID ixheaacd_long_short_win_seq(WORD32 *current, WORD32 *prev, WORD32 *out,
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const WORD16 *short_window,
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const WORD16 *short_window_prev,
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const WORD16 *long_window_prev, WORD16 q_shift,
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WORD16 ch_fac, WORD16 size_01) {
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WORD16 size_02 = 2 * size_01;
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WORD16 size_06 = 6 * size_01;
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WORD16 size_07 = 7 * size_01;
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WORD16 size_08 = 8 * size_01;
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WORD16 size_09 = 9 * size_01;
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WORD16 size_10 = 10 * size_01;
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WORD16 size_16 = 16 * size_01;
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WORD32 i, flag;
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WORD32 accu;
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for (i = 0; i < size_07; i++) {
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accu = ixheaacd_mult32x16in32_sat(
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prev[size_08 - 1 - i], ixheaacd_negate16(long_window_prev[2 * i + 1]));
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out[ch_fac * i] = accu;
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}
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for (i = 0; i < size_01; i++) {
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accu = ixheaacd_sub32_sat(
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ixheaacd_shl32_dir_sat_limit(
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ixheaacd_mult32x16in32(current[size_01 + i],
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short_window_prev[2 * i]),
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q_shift),
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ixheaacd_mult32x16in32_sat(prev[size_01 - 1 - i],
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long_window_prev[2 * size_07 + 1 + 2 * i]));
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out[ch_fac * (size_07 + i)] = accu;
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}
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for (i = 0; i < size_01; i++) {
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accu = ixheaacd_sub32_sat(
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ixheaacd_shl32_dir_sat_limit(
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ixheaacd_mult32x16in32(ixheaacd_negate32_sat(current[size_02 - 1 - i]),
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short_window_prev[size_02 - 2 * i - 1]),
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q_shift),
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ixheaacd_mult32x16in32_sat(prev[i],
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long_window_prev[size_16 - 2 - (2 * i)]));
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out[ch_fac * (size_08 + i)] = accu;
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}
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flag = 1;
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for (i = 0; i < 4; i++) {
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WORD32 inc = i * size_02;
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if (i == 3) {
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flag = 0;
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}
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ixheaacd_long_short_win_process(¤t[size_01 + inc], &prev[size_01 + inc],
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&out[ch_fac * (size_09 + inc)], short_window,
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&long_window_prev[2 * (size_07 - inc)],
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q_shift, ch_fac, flag, size_01);
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}
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for (i = 0; i < size_01; i++) {
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accu = (ixheaacd_mult32x16in32(-(current[size_10 - 1 - i]),
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short_window[size_02 - 2 * i - 1]) -
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ixheaacd_mult32x16in32(current[size_06 + i],
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short_window[size_02 - 2 * i - 2]));
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prev[i] =
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ixheaacd_round16(ixheaacd_shl32_dir_sat_limit(accu, (q_shift + 1)));
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}
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}
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VOID ixheaacd_nolap1_32(WORD32 *coef, WORD32 *out, WORD16 q_shift,
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WORD16 ch_fac, WORD16 size_01) {
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WORD16 size_07 = 7 * size_01;
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WORD32 i;
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for (i = 0; i < size_07; i++) {
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out[ch_fac * i] = ixheaacd_shr32_sat(
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ixheaacd_negate32_sat(coef[size_07 - 1 - i]), 16 - q_shift);
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}
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}
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VOID ixheaacd_neg_shift_spec_dec(WORD32 *coef, WORD32 *out, WORD16 q_shift,
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WORD16 ch_fac) {
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WORD32 i;
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for (i = 0; i < SIZE07; i++) {
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out[ch_fac * i] = (ixheaacd_shl32_dir_sat_limit(
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ixheaacd_negate32_sat(coef[SIZE07 - 1 - i]), q_shift));
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}
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}
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VOID ixheaacd_Nolap_dec(WORD32 *coef, WORD32 *out, WORD16 q_shift,
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WORD16 ch_fac, WORD16 size_01) {
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WORD16 size_07 = 7 * size_01;
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WORD32 i;
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for (i = 0; i < size_07; i++) {
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out[ch_fac * i] = ixheaacd_shl32_dir_sat_limit(
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ixheaacd_negate32_sat(coef[size_07 - 1 - i]), q_shift);
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}
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}
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VOID ixheaacd_spec_to_overlapbuf_dec(WORD32 *ptr_overlap_buf,
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WORD32 *ptr_spec_coeff, WORD32 q_shift,
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WORD32 size) {
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WORD32 i;
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for (i = 0; i < size; i++) {
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ptr_overlap_buf[i] = ixheaacd_shr32_sat(ptr_spec_coeff[i], 16 - q_shift);
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}
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}
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VOID ixheaacd_overlap_buf_out_dec(WORD32 *out_samples, WORD32 *ptr_overlap_buf,
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WORD32 size, const WORD16 ch_fac) {
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WORD32 i;
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for (i = 0; i < size; i++) {
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out_samples[ch_fac * i] =
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(ixheaacd_shl32_sat((WORD16)ptr_overlap_buf[i], 15));
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}
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}
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VOID ixheaacd_overlap_out_copy_dec(WORD32 *out_samples, WORD32 *ptr_overlap_buf,
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WORD32 *ptr_overlap_buf1,
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const WORD16 ch_fac, WORD16 size_01) {
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WORD32 i;
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for (i = 0; i < size_01; i++) {
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out_samples[ch_fac * i] =
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ixheaacd_shl32_sat((WORD16)ptr_overlap_buf[i], 15);
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ptr_overlap_buf[i] = ptr_overlap_buf1[i];
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}
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}
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VOID ixheaacd_imdct_process(ia_aac_dec_overlap_info *ptr_aac_dec_overlap_info,
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WORD32 *ptr_spec_coeff,
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ia_ics_info_struct *ptr_ics_info, VOID *out_samples,
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const WORD16 ch_fac, WORD32 *scratch,
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ia_aac_dec_tables_struct *ptr_aac_tables,
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WORD32 object_type, WORD32 ld_mps_present,
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WORD slot_element) {
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WORD32 *ptr_overlap_buf;
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const WORD16 *ptr_long_window;
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const WORD16 *ptr_short_window;
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WORD16 max_bin_long = ptr_ics_info->frame_length;
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WORD16 size_01;
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if (max_bin_long == 960)
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size_01 = (max_bin_long / 16);
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else
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size_01 = (MAX_BINS_LONG / 16);
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WORD16 size_02 = 2 * size_01;
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WORD16 size_04 = 4 * size_01;
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WORD16 size_06 = 6 * size_01;
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WORD16 size_07 = 7 * size_01;
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WORD16 size_08 = 8 * size_01;
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WORD16 size_09 = 9 * size_01;
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WORD16 size_10 = 10 * size_01;
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WORD16 size_14 = 14 * size_01;
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WORD16 size_15 = 15 * size_01;
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ptr_overlap_buf = ptr_aac_dec_overlap_info->ptr_overlap_buf;
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ptr_long_window =
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ptr_aac_dec_overlap_info
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->ptr_long_window[(WORD32)ptr_aac_dec_overlap_info->window_shape];
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ptr_short_window =
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ptr_aac_dec_overlap_info
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->ptr_short_window[(WORD32)ptr_aac_dec_overlap_info->window_shape];
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if (ptr_ics_info->window_sequence != EIGHT_SHORT_SEQUENCE) {
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WORD16 q_shift;
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WORD32 expo, imdct_scale;
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if ((512 == ptr_ics_info->frame_length) ||
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(480 == ptr_ics_info->frame_length)) {
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ptr_ics_info->qshift_adj = -2;
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if (512 == ptr_ics_info->frame_length) {
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WORD32 *ld_cos_sin_ptr =
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(WORD32 *)ptr_aac_tables->pstr_imdct_tables->cosine_array_1024;
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ixheaacd_inverse_transform_512(
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ptr_spec_coeff, scratch, &imdct_scale, ld_cos_sin_ptr,
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ptr_aac_tables->pstr_imdct_tables, object_type);
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} else {
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ixheaacd_mdct_480_ld(ptr_spec_coeff, scratch, &imdct_scale, 0,
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ptr_aac_tables->pstr_imdct_tables, object_type);
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}
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if (object_type == AOT_ER_AAC_ELD) {
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int i, N = (ptr_ics_info->frame_length << 1);
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for (i = 0; i < N / 2; i++) {
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ptr_spec_coeff[i] = -ptr_spec_coeff[i + N];
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ptr_spec_coeff[i + N + N / 2] = -ptr_spec_coeff[i + N / 2];
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}
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}
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} else if (960 == ptr_ics_info->frame_length) {
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ixheaacd_mdct_960(ptr_spec_coeff, scratch, &imdct_scale, 0,
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ptr_aac_tables->pstr_imdct_tables);
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} else {
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expo = (*ixheaacd_calc_max_spectral_line)(ptr_spec_coeff, 1024) - 1;
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expo = 8 - expo;
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imdct_scale = ixheaacd_inverse_transform(
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ptr_spec_coeff, scratch, ptr_aac_tables->pstr_imdct_tables, expo,
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1024);
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}
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|
|
|
q_shift = (31 + imdct_scale) + (-1 - 16 - 9);
|
|
|
|
switch (ptr_ics_info->window_sequence) {
|
|
case ONLY_LONG_SEQUENCE:
|
|
|
|
switch (ptr_aac_dec_overlap_info->window_sequence) {
|
|
case ONLY_LONG_SEQUENCE:
|
|
case LONG_STOP_SEQUENCE:
|
|
|
|
if (1024 == ptr_ics_info->frame_length) {
|
|
ia_ics_info_struct *tmp_ptr_ics_info = ptr_ics_info;
|
|
|
|
(*ixheaacd_post_twid_overlap_add)(
|
|
(WORD32 *)out_samples, ptr_spec_coeff,
|
|
ptr_aac_tables->pstr_imdct_tables, 1024, ptr_overlap_buf,
|
|
q_shift, ptr_long_window, ch_fac);
|
|
|
|
ptr_ics_info->qshift_adj = 2;
|
|
ptr_ics_info = tmp_ptr_ics_info;
|
|
}
|
|
|
|
if (960 == ptr_ics_info->frame_length)
|
|
{
|
|
ixheaacd_over_lap_add1_dec(ptr_spec_coeff, ptr_overlap_buf,
|
|
(WORD32*)out_samples, ptr_long_window, q_shift,
|
|
480, ch_fac);
|
|
|
|
ixheaacd_spec_to_overlapbuf(ptr_overlap_buf, ptr_spec_coeff,
|
|
q_shift, 480);
|
|
|
|
ptr_ics_info->qshift_adj = 2;
|
|
}
|
|
|
|
if ((512 == ptr_ics_info->frame_length) ||
|
|
(480 == ptr_ics_info->frame_length)) {
|
|
if (object_type != AOT_ER_AAC_ELD) {
|
|
if (512 == ptr_ics_info->frame_length) {
|
|
ixheaacd_lap1_512_480(ptr_spec_coeff, ptr_overlap_buf,
|
|
(WORD16 *)out_samples, ptr_long_window,
|
|
q_shift, size_04, ch_fac, slot_element);
|
|
ixheaacd_spec_to_overlapbuf(ptr_overlap_buf, ptr_spec_coeff,
|
|
q_shift, size_04);
|
|
} else if (480 == ptr_ics_info->frame_length) {
|
|
ixheaacd_lap1_512_480(ptr_spec_coeff, ptr_overlap_buf,
|
|
(WORD16 *)out_samples, ptr_long_window,
|
|
q_shift, 240, ch_fac, slot_element);
|
|
ixheaacd_spec_to_overlapbuf(ptr_overlap_buf, ptr_spec_coeff,
|
|
q_shift, 240);
|
|
}
|
|
} else {
|
|
if (ld_mps_present == 1) {
|
|
ixheaacd_eld_dec_windowing_32bit(
|
|
ptr_spec_coeff, ptr_long_window,
|
|
ptr_ics_info->frame_length, q_shift, ptr_overlap_buf,
|
|
ch_fac, (WORD32 *)out_samples);
|
|
} else {
|
|
ixheaacd_eld_dec_windowing(
|
|
ptr_spec_coeff, ptr_long_window,
|
|
ptr_ics_info->frame_length, q_shift, ptr_overlap_buf,
|
|
ch_fac, (WORD16 *)out_samples, slot_element);
|
|
}
|
|
ptr_ics_info->qshift_adj = -2;
|
|
}
|
|
}
|
|
break;
|
|
|
|
case LONG_START_SEQUENCE:
|
|
case EIGHT_SHORT_SEQUENCE:
|
|
if (1024 == ptr_ics_info->frame_length) {
|
|
(*ixheaacd_post_twiddle)(scratch, ptr_spec_coeff,
|
|
ptr_aac_tables->pstr_imdct_tables, 1024);
|
|
ixheaacd_process_win_seq(scratch, ptr_overlap_buf,
|
|
(WORD32*)out_samples, ptr_long_window,
|
|
ptr_short_window, q_shift, ch_fac, 1,
|
|
size_01);
|
|
(*ixheaacd_spec_to_overlapbuf)(ptr_overlap_buf, scratch, q_shift,
|
|
size_08);
|
|
}
|
|
|
|
if (960 == ptr_ics_info->frame_length) {
|
|
ixheaacd_process_win_seq(ptr_spec_coeff, ptr_overlap_buf,
|
|
(WORD32*)out_samples, ptr_long_window,
|
|
ptr_short_window, q_shift, ch_fac, 1,
|
|
size_01);
|
|
ixheaacd_spec_to_overlapbuf(ptr_overlap_buf, ptr_spec_coeff,
|
|
q_shift, 480);
|
|
}
|
|
|
|
ptr_ics_info->qshift_adj = 1;
|
|
|
|
if (512 == ptr_ics_info->frame_length) {
|
|
ixheaacd_spec_to_overlapbuf(ptr_overlap_buf, ptr_spec_coeff,
|
|
q_shift, size_04);
|
|
}
|
|
if (480 == ptr_ics_info->frame_length) {
|
|
ixheaacd_spec_to_overlapbuf(ptr_overlap_buf, ptr_spec_coeff,
|
|
q_shift, 240);
|
|
}
|
|
break;
|
|
}
|
|
|
|
break;
|
|
|
|
case LONG_START_SEQUENCE:
|
|
if (1024 == ptr_ics_info->frame_length) {
|
|
(*ixheaacd_post_twiddle)(scratch, ptr_spec_coeff,
|
|
ptr_aac_tables->pstr_imdct_tables, 1024);
|
|
}
|
|
switch (ptr_aac_dec_overlap_info->window_sequence) {
|
|
case ONLY_LONG_SEQUENCE:
|
|
case LONG_STOP_SEQUENCE:
|
|
|
|
if (1024 == ptr_ics_info->frame_length) {
|
|
(*ixheaacd_over_lap_add1)(scratch, ptr_overlap_buf,
|
|
(WORD32*)out_samples, ptr_long_window,
|
|
q_shift, size_08, ch_fac);
|
|
} else {
|
|
ixheaacd_over_lap_add1_dec(ptr_spec_coeff, ptr_overlap_buf,
|
|
(WORD32*)out_samples, ptr_long_window,
|
|
q_shift, size_08, ch_fac);
|
|
}
|
|
ptr_ics_info->qshift_adj = 2;
|
|
break;
|
|
|
|
case LONG_START_SEQUENCE:
|
|
case EIGHT_SHORT_SEQUENCE:
|
|
|
|
if (1024 == ptr_ics_info->frame_length) {
|
|
ixheaacd_process_win_seq(scratch, ptr_overlap_buf,
|
|
(WORD32*)out_samples, ptr_long_window,
|
|
ptr_short_window, q_shift, ch_fac, 1,
|
|
size_01);
|
|
} else {
|
|
ixheaacd_process_win_seq(ptr_spec_coeff, ptr_overlap_buf,
|
|
(WORD32*)out_samples, ptr_long_window,
|
|
ptr_short_window, q_shift, ch_fac, 1,
|
|
size_01);
|
|
}
|
|
|
|
ptr_ics_info->qshift_adj = 1;
|
|
|
|
break;
|
|
}
|
|
|
|
if (960 != ptr_ics_info->frame_length) {
|
|
ixheaacd_nolap1_32(&scratch[size_01], ptr_overlap_buf, q_shift, 1,
|
|
size_01);
|
|
|
|
(*ixheaacd_spec_to_overlapbuf)(&ptr_overlap_buf[size_07], scratch,
|
|
q_shift, size_01);
|
|
} else {
|
|
ixheaacd_nolap1_32(&ptr_spec_coeff[size_01], ptr_overlap_buf,
|
|
q_shift, 1, size_01);
|
|
|
|
(*ixheaacd_spec_to_overlapbuf)(&ptr_overlap_buf[size_07],
|
|
ptr_spec_coeff, q_shift, size_01);
|
|
}
|
|
|
|
break;
|
|
|
|
case LONG_STOP_SEQUENCE:
|
|
if (1024 == ptr_ics_info->frame_length) {
|
|
(*ixheaacd_post_twiddle)(scratch, ptr_spec_coeff,
|
|
ptr_aac_tables->pstr_imdct_tables, 1024);
|
|
}
|
|
|
|
switch (ptr_aac_dec_overlap_info->window_sequence) {
|
|
case EIGHT_SHORT_SEQUENCE:
|
|
case LONG_START_SEQUENCE:
|
|
|
|
if (960 != ptr_ics_info->frame_length) {
|
|
(*ixheaacd_overlap_buf_out)((WORD32*)out_samples,
|
|
ptr_overlap_buf, size_07, ch_fac);
|
|
(*ixheaacd_over_lap_add1)(
|
|
&scratch[size_14], &ptr_overlap_buf[size_07],
|
|
((WORD32*)out_samples + ch_fac * (size_07)),
|
|
ptr_short_window, q_shift, size_01, ch_fac);
|
|
} else {
|
|
ixheaacd_dec_copy_outsample((WORD32*)out_samples,
|
|
ptr_overlap_buf, size_07, ch_fac);
|
|
ixheaacd_over_lap_add1_dec(&ptr_spec_coeff[size_14],
|
|
&ptr_overlap_buf[size_07],
|
|
((WORD32*)out_samples + ch_fac * (size_07)),
|
|
ptr_short_window, q_shift, size_01,
|
|
ch_fac);
|
|
}
|
|
|
|
{
|
|
if (960 != ptr_ics_info->frame_length) {
|
|
|
|
WORD16 q_shift1 = q_shift - 1;
|
|
(*ixheaacd_neg_shift_spec)(&scratch[size_08],
|
|
((WORD32*)out_samples + ch_fac * size_09),
|
|
q_shift1, ch_fac);
|
|
} else {
|
|
WORD16 q_shift1 = q_shift - 1;
|
|
ixheaacd_Nolap_dec(&ptr_spec_coeff[size_08],
|
|
((WORD32*)out_samples + ch_fac * size_09),
|
|
q_shift1, ch_fac, size_01);
|
|
}
|
|
}
|
|
ptr_ics_info->qshift_adj = 2;
|
|
|
|
break;
|
|
case ONLY_LONG_SEQUENCE:
|
|
case LONG_STOP_SEQUENCE:
|
|
|
|
if (1024 == ptr_ics_info->frame_length) {
|
|
ixheaacd_process_win_seq(scratch, ptr_overlap_buf,
|
|
(WORD32*)out_samples, ptr_long_window,
|
|
ptr_short_window, q_shift, ch_fac, 0,
|
|
size_01);
|
|
} else {
|
|
ixheaacd_process_win_seq(ptr_spec_coeff, ptr_overlap_buf,
|
|
(WORD32*)out_samples, ptr_long_window,
|
|
ptr_short_window, q_shift, ch_fac, 0,
|
|
size_01);
|
|
}
|
|
|
|
ptr_ics_info->qshift_adj = 2;
|
|
break;
|
|
}
|
|
|
|
if (1024 == ptr_ics_info->frame_length) {
|
|
(*ixheaacd_spec_to_overlapbuf)(ptr_overlap_buf, scratch, q_shift,
|
|
size_08);
|
|
} else {
|
|
(*ixheaacd_spec_to_overlapbuf)(ptr_overlap_buf, ptr_spec_coeff,
|
|
q_shift, size_08);
|
|
}
|
|
|
|
break;
|
|
}
|
|
|
|
} else {
|
|
WORD16 q_shift, max_scale;
|
|
WORD32 imdct_scale[8], i;
|
|
const WORD16 *short_window;
|
|
|
|
short_window = ptr_aac_dec_overlap_info
|
|
->ptr_short_window[(WORD32)ptr_ics_info->window_shape];
|
|
|
|
{
|
|
WORD32 expo;
|
|
|
|
if (1024 == ptr_ics_info->frame_length) {
|
|
expo = (*ixheaacd_calc_max_spectral_line)(ptr_spec_coeff, 1024) - 1;
|
|
|
|
expo = 5 - expo;
|
|
|
|
for (i = 0; i < MAX_WINDOWS; i++) {
|
|
imdct_scale[i] = ixheaacd_inverse_transform(
|
|
&ptr_spec_coeff[i * size_02], &scratch[i * size_02],
|
|
ptr_aac_tables->pstr_imdct_tables, expo, 128);
|
|
|
|
(*ixheaacd_post_twiddle)(&scratch[i * size_02],
|
|
&ptr_spec_coeff[i * size_02],
|
|
ptr_aac_tables->pstr_imdct_tables, 128);
|
|
}
|
|
max_scale = 31 + imdct_scale[0];
|
|
q_shift = max_scale + (-16 - 6 - 1);
|
|
} else {
|
|
expo = (*ixheaacd_calc_max_spectral_line)(ptr_spec_coeff, 960) - 1;
|
|
memcpy(scratch, ptr_spec_coeff, sizeof(WORD32) * 960);
|
|
|
|
for (i = 0; i < MAX_WINDOWS; i++) {
|
|
ixheaacd_inverse_transform_960(
|
|
&ptr_spec_coeff[i * size_02], &scratch[i * size_02],
|
|
ptr_aac_tables->pstr_imdct_tables, expo, &imdct_scale[i]);
|
|
|
|
imdct_scale[i] -= expo;
|
|
}
|
|
max_scale = 31 + imdct_scale[0];
|
|
q_shift = max_scale + (-16 - 6 - 1);
|
|
|
|
}
|
|
}
|
|
switch (ptr_aac_dec_overlap_info->window_sequence) {
|
|
WORD32 overlap_buf_loc[64];
|
|
|
|
case EIGHT_SHORT_SEQUENCE:
|
|
case LONG_START_SEQUENCE:
|
|
|
|
(*ixheaacd_overlap_buf_out)((WORD32 *)out_samples, ptr_overlap_buf,
|
|
size_07, ch_fac);
|
|
|
|
if (1024 == ptr_ics_info->frame_length) {
|
|
(*ixheaacd_over_lap_add1)(&scratch[0], &ptr_overlap_buf[size_07],
|
|
((WORD32*)out_samples + ch_fac * size_07),
|
|
ptr_short_window, q_shift, size_01, ch_fac);
|
|
} else {
|
|
ixheaacd_over_lap_add1_dec(&ptr_spec_coeff[0], &ptr_overlap_buf[size_07],
|
|
((WORD32*)out_samples + ch_fac * size_07),
|
|
ptr_short_window, q_shift, size_01, ch_fac);
|
|
}
|
|
|
|
for (i = 0; i < 3; i++) {
|
|
WORD32 inc = (i * size_02);
|
|
|
|
if (1024 == ptr_ics_info->frame_length) {
|
|
(*ixheaacd_spec_to_overlapbuf)(overlap_buf_loc, &scratch[inc],
|
|
q_shift, size_01);
|
|
|
|
(*ixheaacd_over_lap_add1)(&scratch[size_02 + inc], overlap_buf_loc,
|
|
((WORD32*)out_samples + ch_fac * (size_09 + inc)),
|
|
short_window, q_shift, size_01, ch_fac);
|
|
} else {
|
|
(*ixheaacd_spec_to_overlapbuf)(overlap_buf_loc, &ptr_spec_coeff[inc],
|
|
q_shift, size_01);
|
|
|
|
ixheaacd_over_lap_add1_dec(&ptr_spec_coeff[size_02 + inc], overlap_buf_loc,
|
|
((WORD32*)out_samples + ch_fac * (size_09 + inc)),
|
|
short_window, q_shift, size_01, ch_fac);
|
|
}
|
|
}
|
|
|
|
if (1024 == ptr_ics_info->frame_length) {
|
|
(*ixheaacd_over_lap_add2)(&scratch[size_08], &scratch[size_06],
|
|
ptr_overlap_buf, short_window, q_shift,
|
|
size_01, 1);
|
|
} else {
|
|
ixheaacd_over_lap_add2_dec(&ptr_spec_coeff[size_08], &ptr_spec_coeff[size_06],
|
|
ptr_overlap_buf, short_window, q_shift,
|
|
size_01, 1);
|
|
}
|
|
|
|
|
|
(*ixheaacd_overlap_out_copy)(((WORD32 *)out_samples + ch_fac * size_15),
|
|
ptr_overlap_buf, &ptr_overlap_buf[size_01],
|
|
ch_fac, size_01);
|
|
|
|
ptr_ics_info->qshift_adj = 2;
|
|
|
|
break;
|
|
|
|
case ONLY_LONG_SEQUENCE:
|
|
case LONG_STOP_SEQUENCE:
|
|
|
|
if (1024 == ptr_ics_info->frame_length) {
|
|
|
|
ixheaacd_long_short_win_seq(
|
|
scratch, ptr_overlap_buf, (WORD32*)out_samples, short_window,
|
|
ptr_short_window, ptr_long_window, q_shift, ch_fac, size_01);
|
|
} else {
|
|
ixheaacd_long_short_win_seq(
|
|
ptr_spec_coeff, ptr_overlap_buf, (WORD32*)out_samples, short_window,
|
|
ptr_short_window, ptr_long_window, q_shift, ch_fac, size_01);
|
|
}
|
|
|
|
ptr_ics_info->qshift_adj = 2;
|
|
break;
|
|
}
|
|
|
|
for (i = 0; i < 3; i++) {
|
|
WORD32 inc = (i * size_02);
|
|
|
|
if (1024 == ptr_ics_info->frame_length) {
|
|
(*ixheaacd_over_lap_add2)(&scratch[size_10 + inc], &scratch[size_08 + inc],
|
|
&ptr_overlap_buf[size_01 + inc], short_window,
|
|
q_shift, size_01, 1);
|
|
} else {
|
|
ixheaacd_over_lap_add2_dec(&ptr_spec_coeff[size_10 + inc],
|
|
&ptr_spec_coeff[size_08 + inc],
|
|
&ptr_overlap_buf[size_01 + inc],
|
|
short_window, q_shift, size_01, 1);
|
|
}
|
|
}
|
|
|
|
if (1024 == ptr_ics_info->frame_length) {
|
|
(*ixheaacd_spec_to_overlapbuf)(&ptr_overlap_buf[size_07], &scratch[size_14],
|
|
q_shift, size_01);
|
|
} else {
|
|
(*ixheaacd_spec_to_overlapbuf)(&ptr_overlap_buf[size_07], &ptr_spec_coeff[size_14],
|
|
q_shift, size_01);
|
|
}
|
|
}
|
|
|
|
ptr_aac_dec_overlap_info->window_shape = ptr_ics_info->window_shape;
|
|
ptr_aac_dec_overlap_info->window_sequence = ptr_ics_info->window_sequence;
|
|
}
|
|
|
|
void ixheaacd_eld_dec_windowing(WORD32 *ptr_spect_coeff, const WORD16 *p_win,
|
|
WORD32 framesize, WORD16 q_shift,
|
|
WORD32 *p_overlap_buffer, const WORD16 stride,
|
|
VOID *out_samples_t, WORD slot_element) {
|
|
int i = 0;
|
|
int loop_size;
|
|
WORD32 *ptr_z = ptr_spect_coeff;
|
|
|
|
WORD32 *ptr_out, *p_out2;
|
|
WORD32 *p_overlap_buffer32 = (WORD32 *)p_overlap_buffer;
|
|
WORD32 delay = framesize >> 2;
|
|
|
|
WORD16 *out_samples = (WORD16 *)out_samples_t - slot_element;
|
|
|
|
ptr_z = ptr_spect_coeff + delay;
|
|
p_win += delay;
|
|
ptr_out = p_overlap_buffer32;
|
|
|
|
q_shift = q_shift + 2;
|
|
|
|
if (q_shift >= 0) {
|
|
for (i = (delay)-1; i >= 0; i--) {
|
|
WORD32 win_op;
|
|
WORD32 win_ovadd_op;
|
|
WORD16 win_val;
|
|
|
|
win_val = *p_win++;
|
|
|
|
win_op = ixheaacd_mult32x16in32(*ptr_z++, (win_val));
|
|
|
|
win_ovadd_op =
|
|
ixheaacd_add32_sat(ixheaacd_shl32(win_op, q_shift), *ptr_out++);
|
|
|
|
*out_samples = ixheaacd_round16(ixheaacd_shl32_sat(win_ovadd_op, 1));
|
|
out_samples += stride;
|
|
|
|
win_val = *p_win++;
|
|
|
|
win_op = ixheaacd_mult32x16in32(*ptr_z++, (win_val));
|
|
|
|
win_ovadd_op =
|
|
ixheaacd_add32_sat(ixheaacd_shl32(win_op, q_shift), *ptr_out++);
|
|
|
|
*out_samples = ixheaacd_round16(ixheaacd_shl32_sat(win_ovadd_op, 1));
|
|
out_samples += stride;
|
|
win_val = *p_win++;
|
|
|
|
win_op = ixheaacd_mult32x16in32(*ptr_z++, (win_val));
|
|
|
|
win_ovadd_op =
|
|
ixheaacd_add32_sat(ixheaacd_shl32(win_op, q_shift), *ptr_out++);
|
|
|
|
*out_samples = ixheaacd_round16(ixheaacd_shl32_sat(win_ovadd_op, 1));
|
|
out_samples += stride;
|
|
|
|
win_val = *p_win++;
|
|
|
|
win_op = ixheaacd_mult32x16in32(*ptr_z++, (win_val));
|
|
|
|
win_ovadd_op =
|
|
ixheaacd_add32_sat(ixheaacd_shl32(win_op, q_shift), *ptr_out++);
|
|
|
|
*out_samples = ixheaacd_round16(ixheaacd_shl32_sat(win_ovadd_op, 1));
|
|
out_samples += stride;
|
|
}
|
|
|
|
p_out2 = p_overlap_buffer32;
|
|
loop_size = (((framesize * 3) - framesize) >> 2) - 1;
|
|
|
|
for (i = loop_size; i >= 0; i--) {
|
|
WORD32 win_op;
|
|
WORD16 win_val;
|
|
win_val = *p_win++;
|
|
win_op = ixheaacd_mult32x16in32(*ptr_z++, (win_val));
|
|
*p_out2++ =
|
|
ixheaacd_add32_sat(ixheaacd_shl32(win_op, q_shift), *ptr_out++);
|
|
|
|
win_val = *p_win++;
|
|
win_op = ixheaacd_mult32x16in32(*ptr_z++, (win_val));
|
|
*p_out2++ =
|
|
ixheaacd_add32_sat(ixheaacd_shl32(win_op, q_shift), *ptr_out++);
|
|
|
|
win_val = *p_win++;
|
|
win_op = ixheaacd_mult32x16in32(*ptr_z++, (win_val));
|
|
*p_out2++ =
|
|
ixheaacd_add32_sat(ixheaacd_shl32(win_op, q_shift), *ptr_out++);
|
|
|
|
win_val = *p_win++;
|
|
win_op = ixheaacd_mult32x16in32(*ptr_z++, (win_val));
|
|
*p_out2++ =
|
|
ixheaacd_add32_sat(ixheaacd_shl32(win_op, q_shift), *ptr_out++);
|
|
}
|
|
|
|
loop_size = ((((framesize << 2) - delay) - (framesize * 3)) >> 2) - 1;
|
|
for (i = loop_size; i >= 0; i--) {
|
|
WORD32 win_op;
|
|
WORD16 win_val;
|
|
|
|
win_val = *p_win++;
|
|
win_op = ixheaacd_mult32x16in32(*ptr_z++, (win_val));
|
|
*p_out2++ = ixheaacd_shl32(win_op, q_shift);
|
|
|
|
win_val = *p_win++;
|
|
win_op = ixheaacd_mult32x16in32(*ptr_z++, (win_val));
|
|
*p_out2++ = ixheaacd_shl32(win_op, q_shift);
|
|
|
|
win_val = *p_win++;
|
|
win_op = ixheaacd_mult32x16in32(*ptr_z++, (win_val));
|
|
*p_out2++ = ixheaacd_shl32(win_op, q_shift);
|
|
|
|
win_val = *p_win++;
|
|
win_op = ixheaacd_mult32x16in32(*ptr_z++, (win_val));
|
|
*p_out2++ = ixheaacd_shl32(win_op, q_shift);
|
|
}
|
|
} else {
|
|
q_shift = -q_shift;
|
|
|
|
for (i = (delay)-1; i >= 0; i--) {
|
|
WORD32 win_op;
|
|
WORD32 win_ovadd_op;
|
|
WORD16 win_val;
|
|
|
|
win_val = *p_win++;
|
|
win_op = ixheaacd_mult32x16in32(*ptr_z++, (win_val));
|
|
|
|
win_ovadd_op =
|
|
ixheaacd_add32_sat(ixheaacd_shr32(win_op, q_shift), *ptr_out++);
|
|
|
|
*out_samples = ixheaacd_round16(ixheaacd_shl32(win_ovadd_op, 1));
|
|
out_samples += stride;
|
|
|
|
win_val = *p_win++;
|
|
win_op = ixheaacd_mult32x16in32(*ptr_z++, (win_val));
|
|
|
|
win_ovadd_op =
|
|
ixheaacd_add32_sat(ixheaacd_shr32(win_op, q_shift), *ptr_out++);
|
|
|
|
*out_samples = ixheaacd_round16(ixheaacd_shl32(win_ovadd_op, 1));
|
|
out_samples += stride;
|
|
|
|
win_val = *p_win++;
|
|
win_op = ixheaacd_mult32x16in32(*ptr_z++, (win_val));
|
|
|
|
win_ovadd_op =
|
|
ixheaacd_add32_sat(ixheaacd_shr32(win_op, q_shift), *ptr_out++);
|
|
|
|
*out_samples = ixheaacd_round16(ixheaacd_shl32(win_ovadd_op, 1));
|
|
out_samples += stride;
|
|
|
|
win_val = *p_win++;
|
|
win_op = ixheaacd_mult32x16in32(*ptr_z++, (win_val));
|
|
|
|
win_ovadd_op =
|
|
ixheaacd_add32_sat(ixheaacd_shr32(win_op, q_shift), *ptr_out++);
|
|
|
|
*out_samples = ixheaacd_round16(ixheaacd_shl32(win_ovadd_op, 1));
|
|
out_samples += stride;
|
|
}
|
|
|
|
p_out2 = p_overlap_buffer32;
|
|
loop_size = (((framesize * 3) - framesize) >> 2) - 1;
|
|
|
|
for (i = loop_size; i >= 0; i--) {
|
|
WORD32 win_op;
|
|
WORD16 win_val;
|
|
win_val = *p_win++;
|
|
win_op = ixheaacd_mult32x16in32(*ptr_z++, (win_val));
|
|
*p_out2++ =
|
|
ixheaacd_add32_sat(ixheaacd_shr32(win_op, q_shift), *ptr_out++);
|
|
|
|
win_val = *p_win++;
|
|
win_op = ixheaacd_mult32x16in32(*ptr_z++, (win_val));
|
|
*p_out2++ =
|
|
ixheaacd_add32_sat(ixheaacd_shr32(win_op, q_shift), *ptr_out++);
|
|
|
|
win_val = *p_win++;
|
|
win_op = ixheaacd_mult32x16in32(*ptr_z++, (win_val));
|
|
*p_out2++ =
|
|
ixheaacd_add32_sat(ixheaacd_shr32(win_op, q_shift), *ptr_out++);
|
|
|
|
win_val = *p_win++;
|
|
win_op = ixheaacd_mult32x16in32(*ptr_z++, (win_val));
|
|
*p_out2++ =
|
|
ixheaacd_add32_sat(ixheaacd_shr32(win_op, q_shift), *ptr_out++);
|
|
}
|
|
loop_size = ((((framesize << 2) - delay) - (framesize * 3)) >> 2) - 1;
|
|
for (i = loop_size; i >= 0; i--) {
|
|
WORD32 win_op;
|
|
WORD16 win_val;
|
|
win_val = *p_win++;
|
|
win_op = ixheaacd_mult32x16in32(*ptr_z++, (win_val));
|
|
*p_out2++ = ixheaacd_shr32(win_op, q_shift);
|
|
|
|
win_val = *p_win++;
|
|
win_op = ixheaacd_mult32x16in32(*ptr_z++, (win_val));
|
|
*p_out2++ = ixheaacd_shr32(win_op, q_shift);
|
|
|
|
win_val = *p_win++;
|
|
win_op = ixheaacd_mult32x16in32(*ptr_z++, (win_val));
|
|
*p_out2++ = ixheaacd_shr32(win_op, q_shift);
|
|
|
|
win_val = *p_win++;
|
|
win_op = ixheaacd_mult32x16in32(*ptr_z++, (win_val));
|
|
*p_out2++ = ixheaacd_shr32(win_op, q_shift);
|
|
}
|
|
}
|
|
}
|
|
|
|
void ixheaacd_eld_dec_windowing_32bit(WORD32 *ptr_spect_coeff,
|
|
const WORD16 *p_win, WORD32 framesize,
|
|
WORD16 q_shift, WORD32 *p_overlap_buffer,
|
|
const WORD16 stride, WORD32 *out_samples)
|
|
|
|
{
|
|
WORD32 i = 0;
|
|
WORD32 loop_size;
|
|
WORD32 *ptr_z = ptr_spect_coeff;
|
|
|
|
WORD32 *ptr_out, *p_out2;
|
|
WORD32 *p_overlap_buffer32 = (WORD32 *)p_overlap_buffer;
|
|
WORD32 delay = framesize >> 2;
|
|
|
|
ptr_z = ptr_spect_coeff + delay;
|
|
p_win += delay;
|
|
ptr_out = p_overlap_buffer32;
|
|
|
|
q_shift = q_shift + 2;
|
|
|
|
if (q_shift >= 0) {
|
|
for (i = (delay)-1; i >= 0; i--) {
|
|
WORD32 win_op;
|
|
WORD16 win_val;
|
|
|
|
win_val = *p_win++;
|
|
|
|
win_op = ixheaacd_mult32x16in32(*ptr_z++, (win_val));
|
|
|
|
*out_samples =
|
|
ixheaacd_add32_sat(ixheaacd_shl32(win_op, q_shift), *ptr_out++);
|
|
|
|
out_samples += stride;
|
|
|
|
win_val = *p_win++;
|
|
|
|
win_op = ixheaacd_mult32x16in32(*ptr_z++, (win_val));
|
|
|
|
*out_samples =
|
|
ixheaacd_add32_sat(ixheaacd_shl32(win_op, q_shift), *ptr_out++);
|
|
|
|
out_samples += stride;
|
|
win_val = *p_win++;
|
|
|
|
win_op = ixheaacd_mult32x16in32(*ptr_z++, (win_val));
|
|
|
|
*out_samples =
|
|
ixheaacd_add32_sat(ixheaacd_shl32(win_op, q_shift), *ptr_out++);
|
|
|
|
out_samples += stride;
|
|
|
|
win_val = *p_win++;
|
|
|
|
win_op = ixheaacd_mult32x16in32(*ptr_z++, (win_val));
|
|
|
|
*out_samples =
|
|
ixheaacd_add32_sat(ixheaacd_shl32(win_op, q_shift), *ptr_out++);
|
|
|
|
out_samples += stride;
|
|
}
|
|
|
|
p_out2 = p_overlap_buffer32;
|
|
loop_size = (((framesize * 3) - framesize) >> 2) - 1;
|
|
|
|
for (i = loop_size; i >= 0; i--) {
|
|
WORD32 win_op;
|
|
WORD16 win_val;
|
|
win_val = *p_win++;
|
|
win_op = ixheaacd_mult32x16in32(*ptr_z++, (win_val));
|
|
*p_out2++ =
|
|
ixheaacd_add32_sat(ixheaacd_shl32(win_op, q_shift), *ptr_out++);
|
|
|
|
win_val = *p_win++;
|
|
win_op = ixheaacd_mult32x16in32(*ptr_z++, (win_val));
|
|
*p_out2++ =
|
|
ixheaacd_add32_sat(ixheaacd_shl32(win_op, q_shift), *ptr_out++);
|
|
|
|
win_val = *p_win++;
|
|
win_op = ixheaacd_mult32x16in32(*ptr_z++, (win_val));
|
|
*p_out2++ =
|
|
ixheaacd_add32_sat(ixheaacd_shl32(win_op, q_shift), *ptr_out++);
|
|
|
|
win_val = *p_win++;
|
|
win_op = ixheaacd_mult32x16in32(*ptr_z++, (win_val));
|
|
*p_out2++ =
|
|
ixheaacd_add32_sat(ixheaacd_shl32(win_op, q_shift), *ptr_out++);
|
|
}
|
|
|
|
loop_size = ((((framesize << 2) - delay) - (framesize * 3)) >> 2) - 1;
|
|
for (i = loop_size; i >= 0; i--) {
|
|
WORD32 win_op;
|
|
WORD16 win_val;
|
|
|
|
win_val = *p_win++;
|
|
win_op = ixheaacd_mult32x16in32(*ptr_z++, (win_val));
|
|
*p_out2++ = ixheaacd_shl32(win_op, q_shift);
|
|
|
|
win_val = *p_win++;
|
|
win_op = ixheaacd_mult32x16in32(*ptr_z++, (win_val));
|
|
*p_out2++ = ixheaacd_shl32(win_op, q_shift);
|
|
|
|
win_val = *p_win++;
|
|
win_op = ixheaacd_mult32x16in32(*ptr_z++, (win_val));
|
|
*p_out2++ = ixheaacd_shl32(win_op, q_shift);
|
|
|
|
win_val = *p_win++;
|
|
win_op = ixheaacd_mult32x16in32(*ptr_z++, (win_val));
|
|
*p_out2++ = ixheaacd_shl32(win_op, q_shift);
|
|
}
|
|
} else {
|
|
q_shift = -q_shift;
|
|
|
|
for (i = (delay)-1; i >= 0; i--) {
|
|
WORD32 win_op;
|
|
WORD16 win_val;
|
|
|
|
win_val = *p_win++;
|
|
win_op = ixheaacd_mult32x16in32(*ptr_z++, (win_val));
|
|
|
|
*out_samples =
|
|
ixheaacd_add32_sat(ixheaacd_shr32(win_op, q_shift), *ptr_out++);
|
|
|
|
out_samples += stride;
|
|
|
|
win_val = *p_win++;
|
|
win_op = ixheaacd_mult32x16in32(*ptr_z++, (win_val));
|
|
|
|
*out_samples =
|
|
ixheaacd_add32_sat(ixheaacd_shr32(win_op, q_shift), *ptr_out++);
|
|
|
|
out_samples += stride;
|
|
|
|
win_val = *p_win++;
|
|
win_op = ixheaacd_mult32x16in32(*ptr_z++, (win_val));
|
|
|
|
*out_samples =
|
|
ixheaacd_add32_sat(ixheaacd_shr32(win_op, q_shift), *ptr_out++);
|
|
|
|
out_samples += stride;
|
|
|
|
win_val = *p_win++;
|
|
win_op = ixheaacd_mult32x16in32(*ptr_z++, (win_val));
|
|
|
|
*out_samples =
|
|
ixheaacd_add32_sat(ixheaacd_shr32(win_op, q_shift), *ptr_out++);
|
|
|
|
out_samples += stride;
|
|
}
|
|
|
|
p_out2 = p_overlap_buffer32;
|
|
loop_size = (((framesize * 3) - framesize) >> 2) - 1;
|
|
|
|
for (i = loop_size; i >= 0; i--) {
|
|
WORD32 win_op;
|
|
WORD16 win_val;
|
|
win_val = *p_win++;
|
|
win_op = ixheaacd_mult32x16in32(*ptr_z++, (win_val));
|
|
*p_out2++ =
|
|
ixheaacd_add32_sat(ixheaacd_shr32(win_op, q_shift), *ptr_out++);
|
|
|
|
win_val = *p_win++;
|
|
win_op = ixheaacd_mult32x16in32(*ptr_z++, (win_val));
|
|
*p_out2++ =
|
|
ixheaacd_add32_sat(ixheaacd_shr32(win_op, q_shift), *ptr_out++);
|
|
|
|
win_val = *p_win++;
|
|
win_op = ixheaacd_mult32x16in32(*ptr_z++, (win_val));
|
|
*p_out2++ =
|
|
ixheaacd_add32_sat(ixheaacd_shr32(win_op, q_shift), *ptr_out++);
|
|
|
|
win_val = *p_win++;
|
|
win_op = ixheaacd_mult32x16in32(*ptr_z++, (win_val));
|
|
*p_out2++ =
|
|
ixheaacd_add32_sat(ixheaacd_shr32(win_op, q_shift), *ptr_out++);
|
|
}
|
|
loop_size = ((((framesize << 2) - delay) - (framesize * 3)) >> 2) - 1;
|
|
for (i = loop_size; i >= 0; i--) {
|
|
WORD32 win_op;
|
|
WORD16 win_val;
|
|
win_val = *p_win++;
|
|
win_op = ixheaacd_mult32x16in32(*ptr_z++, (win_val));
|
|
*p_out2++ = ixheaacd_shr32(win_op, q_shift);
|
|
|
|
win_val = *p_win++;
|
|
win_op = ixheaacd_mult32x16in32(*ptr_z++, (win_val));
|
|
*p_out2++ = ixheaacd_shr32(win_op, q_shift);
|
|
|
|
win_val = *p_win++;
|
|
win_op = ixheaacd_mult32x16in32(*ptr_z++, (win_val));
|
|
*p_out2++ = ixheaacd_shr32(win_op, q_shift);
|
|
|
|
win_val = *p_win++;
|
|
win_op = ixheaacd_mult32x16in32(*ptr_z++, (win_val));
|
|
*p_out2++ = ixheaacd_shr32(win_op, q_shift);
|
|
}
|
|
}
|
|
}
|