Import xHE-AAC decoder from Ittiam

Clean copy of version XHEAAC_V1_36 as delivered 2018/4/13
Sole change is to map cr/lf line termination to unix lf.

Added appropriate LICENSE, MODULE_LICENSE_APACHE2, and NOTICE files
as part of folding into internal master.

Bug: 77287124
Test: CTS audio/media
Change-Id: I3c8d124033f967b29d6e384cce5c843ee17a7bb1

1 files changed, 492 insertions, 0 deletions

diff --git a/decoder/ixheaacd_initfuncs.c b/decoder/ixheaacd_initfuncs.c
new file mode 100644
index 0000000..b8f1eae
--- /dev/null
+++ b/decoder/ixheaacd_initfuncs.c
@@ -0,0 +1,492 @@
+/******************************************************************************
+ *                                                                            *
+ * 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
+*/
+#include <string.h>
+#include <ixheaacd_type_def.h>
+
+#include "ixheaacd_sbr_common.h"
+
+#include "ixheaacd_constants.h"
+#include <ixheaacd_basic_ops32.h>
+#include <ixheaacd_basic_ops16.h>
+#include <ixheaacd_basic_ops40.h>
+#include "ixheaacd_basic_ops.h"
+#include "ixheaacd_bitbuffer.h"
+
+#include <ixheaacd_basic_op.h>
+#include "ixheaacd_intrinsics.h"
+
+#include "ixheaacd_defines.h"
+
+#include <ixheaacd_aac_rom.h>
+
+#include "ixheaacd_definitions.h"
+
+#include "ixheaacd_error_codes.h"
+
+#include "ixheaacd_pulsedata.h"
+
+#include "ixheaacd_pns.h"
+#include "ixheaacd_drc_data_struct.h"
+
+#include "ixheaacd_lt_predict.h"
+
+#include "ixheaacd_channelinfo.h"
+#include "ixheaacd_drc_dec.h"
+
+#include "ixheaacd_sbrdecoder.h"
+#include "ixheaacd_block.h"
+#include "ixheaacd_channel.h"
+
+#include "ixheaacd_sbr_payload.h"
+#include "ixheaacd_common_rom.h"
+
+#include <ixheaacd_type_def.h>
+
+#include "ixheaacd_sbrdecsettings.h"
+#include "ixheaacd_sbr_scale.h"
+#include "ixheaacd_env_extr_part.h"
+#include <ixheaacd_sbr_rom.h>
+
+#include "ixheaacd_lpp_tran.h"
+#include "ixheaacd_hybrid.h"
+#include "ixheaacd_ps_dec.h"
+
+#include "ixheaacd_env_extr.h"
+#include "ixheaacd_adts.h"
+#include "ixheaacd_audioobjtypes.h"
+#include "ixheaacd_memory_standards.h"
+
+#include "ixheaacd_latmdemux.h"
+
+#include "ixheaacd_aacdec.h"
+#include "ixheaacd_mps_polyphase.h"
+#include "ixheaacd_config.h"
+#include "ixheaacd_mps_dec.h"
+
+#include "ixheaacd_struct_def.h"
+
+#include "ixheaacd_multichannel.h"
+
+#define ALIGN_SIZE64(x) ((((x) + 7) >> 3) << 3)
+
+WORD32 ixheaacd_set_aac_persistent_buffers(VOID *aac_persistent_mem_v,
+                                           WORD32 num_channel) {
+  WORD32 persistent_used;
+
+  struct ia_aac_persistent_struct *aac_persistent_mem =
+      (struct ia_aac_persistent_struct *)aac_persistent_mem_v;
+
+  persistent_used = sizeof(struct ia_aac_persistent_struct);
+
+  memset(aac_persistent_mem, 0, sizeof(struct ia_aac_persistent_struct));
+  aac_persistent_mem->overlap_buffer =
+      (WORD32 *)((WORD8 *)aac_persistent_mem_v + persistent_used);
+
+  memset((WORD32 *)((WORD8 *)aac_persistent_mem_v + persistent_used), 0,
+         4 * 512 * num_channel * sizeof(WORD32));
+
+  persistent_used += 4 * 512 * num_channel * sizeof(WORD32);
+
+  aac_persistent_mem->sbr_payload_buffer =
+      (WORD8 *)((WORD8 *)aac_persistent_mem_v + persistent_used);
+
+  memset((WORD16 *)((WORD8 *)aac_persistent_mem_v + persistent_used), 0,
+         ALIGN_SIZE64(MAXSBRBYTES) * num_channel * sizeof(WORD8));
+
+  persistent_used += ALIGN_SIZE64(MAXSBRBYTES) * num_channel * sizeof(WORD8);
+
+  {
+    WORD32 i;
+
+    for (i = 0; i < num_channel; i++) {
+      aac_persistent_mem->ltp_buf[i] =
+          (WORD16 *)((WORD8 *)aac_persistent_mem_v + persistent_used);
+
+      memset((WORD16 *)((WORD8 *)aac_persistent_mem_v + persistent_used), 0,
+             ltp_buffer_size * sizeof(WORD16));
+
+      persistent_used += (ltp_buffer_size * sizeof(WORD16));
+
+      aac_persistent_mem->ptr_aac_dec_static_channel_info[i] =
+          (ia_aac_dec_channel_info *)((WORD8 *)aac_persistent_mem_v +
+                                      persistent_used);
+      persistent_used += sizeof(ia_aac_dec_channel_info);
+
+      aac_persistent_mem->ptr_aac_dec_static_channel_info[i]
+          ->overlap_add_data.win_shape = 0;
+      aac_persistent_mem->ptr_aac_dec_static_channel_info[i]
+          ->overlap_add_data.win_seq = 0;
+
+      aac_persistent_mem->ptr_aac_dec_static_channel_info[i]
+          ->overlap_add_data.ptr_overlap_buf =
+          &aac_persistent_mem->overlap_buffer[i * OVERLAP_BUFFER_SIZE];
+    }
+  }
+
+  return persistent_used;
+}
+
+VOID ixheaacd_huff_tables_create(ia_aac_dec_tables_struct *ptr_aac_tables) {
+  ptr_aac_tables->code_book[0] = 0;
+  ptr_aac_tables->code_book[1] =
+      (UWORD16 *)ptr_aac_tables->pstr_huffmann_tables->input_table_cb1;
+  ptr_aac_tables->code_book[2] =
+      (UWORD16 *)ptr_aac_tables->pstr_huffmann_tables->input_table_cb2;
+  ptr_aac_tables->code_book[3] =
+      (UWORD16 *)ptr_aac_tables->pstr_huffmann_tables->input_table_cb3;
+  ptr_aac_tables->code_book[4] =
+      (UWORD16 *)ptr_aac_tables->pstr_huffmann_tables->input_table_cb4;
+  ptr_aac_tables->code_book[5] =
+      (UWORD16 *)ptr_aac_tables->pstr_huffmann_tables->input_table_cb5;
+  ptr_aac_tables->code_book[6] =
+      (UWORD16 *)ptr_aac_tables->pstr_huffmann_tables->input_table_cb6;
+  ptr_aac_tables->code_book[7] =
+      (UWORD16 *)ptr_aac_tables->pstr_huffmann_tables->input_table_cb7;
+  ptr_aac_tables->code_book[8] =
+      (UWORD16 *)ptr_aac_tables->pstr_huffmann_tables->input_table_cb8;
+  ptr_aac_tables->code_book[9] =
+      (UWORD16 *)ptr_aac_tables->pstr_huffmann_tables->input_table_cb9;
+  ptr_aac_tables->code_book[10] =
+      (UWORD16 *)ptr_aac_tables->pstr_huffmann_tables->input_table_cb10;
+  ptr_aac_tables->code_book[11] =
+      (UWORD16 *)ptr_aac_tables->pstr_huffmann_tables->input_table_cb10;
+  ptr_aac_tables->code_book[12] =
+      (UWORD16 *)ptr_aac_tables->pstr_huffmann_tables->input_table_cb10;
+
+  ptr_aac_tables->index_table[1] =
+      (UWORD32 *)ptr_aac_tables->pstr_huffmann_tables->idx_table_hf1;
+  ptr_aac_tables->index_table[2] =
+      (UWORD32 *)ptr_aac_tables->pstr_huffmann_tables->idx_table_hf2;
+  ptr_aac_tables->index_table[3] =
+      (UWORD32 *)ptr_aac_tables->pstr_huffmann_tables->idx_table_hf3;
+  ptr_aac_tables->index_table[4] =
+      (UWORD32 *)ptr_aac_tables->pstr_huffmann_tables->idx_table_hf4;
+  ptr_aac_tables->index_table[5] =
+      (UWORD32 *)ptr_aac_tables->pstr_huffmann_tables->idx_table_hf5;
+  ptr_aac_tables->index_table[6] =
+      (UWORD32 *)ptr_aac_tables->pstr_huffmann_tables->idx_table_hf6;
+  ptr_aac_tables->index_table[7] =
+      (UWORD32 *)ptr_aac_tables->pstr_huffmann_tables->idx_table_hf7;
+  ptr_aac_tables->index_table[8] =
+      (UWORD32 *)ptr_aac_tables->pstr_huffmann_tables->idx_table_hf8;
+  ptr_aac_tables->index_table[9] =
+      (UWORD32 *)ptr_aac_tables->pstr_huffmann_tables->idx_table_hf9;
+  ptr_aac_tables->index_table[10] =
+      (UWORD32 *)ptr_aac_tables->pstr_huffmann_tables->idx_table_hf10;
+  ptr_aac_tables->index_table[11] =
+      (UWORD32 *)ptr_aac_tables->pstr_huffmann_tables->idx_table_hf10;
+  ptr_aac_tables->index_table[12] =
+      (UWORD32 *)ptr_aac_tables->pstr_huffmann_tables->idx_table_hf10;
+
+  ptr_aac_tables->scale_factor_bands_short[0] =
+      ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_96_128;
+  ptr_aac_tables->scale_factor_bands_short[1] =
+      ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_96_128;
+  ptr_aac_tables->scale_factor_bands_short[2] =
+      ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_96_128;
+  ptr_aac_tables->scale_factor_bands_short[3] =
+      ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_48_128;
+  ptr_aac_tables->scale_factor_bands_short[4] =
+      ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_48_128;
+  ptr_aac_tables->scale_factor_bands_short[5] =
+      ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_48_128;
+  ptr_aac_tables->scale_factor_bands_short[6] =
+      ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_24_128;
+  ptr_aac_tables->scale_factor_bands_short[7] =
+      ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_24_128;
+  ptr_aac_tables->scale_factor_bands_short[8] =
+      ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_16_128;
+  ptr_aac_tables->scale_factor_bands_short[9] =
+      ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_16_128;
+  ptr_aac_tables->scale_factor_bands_short[10] =
+      ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_16_128;
+  ptr_aac_tables->scale_factor_bands_short[11] =
+      ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_8_128;
+
+  ptr_aac_tables->scale_factor_bands_long[0] =
+      ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_96_1024;
+  ptr_aac_tables->scale_factor_bands_long[1] =
+      ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_96_1024;
+  ptr_aac_tables->scale_factor_bands_long[2] =
+      ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_64_1024;
+  ptr_aac_tables->scale_factor_bands_long[3] =
+      ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_48_1024;
+  ptr_aac_tables->scale_factor_bands_long[4] =
+      ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_48_1024;
+  ptr_aac_tables->scale_factor_bands_long[5] =
+      ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_32_1024;
+  ptr_aac_tables->scale_factor_bands_long[6] =
+      ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_24_1024;
+  ptr_aac_tables->scale_factor_bands_long[7] =
+      ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_24_1024;
+  ptr_aac_tables->scale_factor_bands_long[8] =
+      ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_16_1024;
+  ptr_aac_tables->scale_factor_bands_long[9] =
+      ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_16_1024;
+  ptr_aac_tables->scale_factor_bands_long[10] =
+      ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_16_1024;
+  ptr_aac_tables->scale_factor_bands_long[11] =
+      ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_8_1024;
+
+  ptr_aac_tables->scale_fac_bands_512[0] =
+      ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_48_512;
+  ptr_aac_tables->scale_fac_bands_512[1] =
+      ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_48_512;
+  ptr_aac_tables->scale_fac_bands_512[2] =
+      ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_48_512;
+  ptr_aac_tables->scale_fac_bands_512[3] =
+      ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_48_512;
+  ptr_aac_tables->scale_fac_bands_512[4] =
+      ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_48_512;
+  ptr_aac_tables->scale_fac_bands_512[5] =
+      ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_32_512;
+  ptr_aac_tables->scale_fac_bands_512[6] =
+      ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_24_512;
+  ptr_aac_tables->scale_fac_bands_512[7] =
+      ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_24_512;
+  ptr_aac_tables->scale_fac_bands_512[8] =
+      ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_24_512;
+  ptr_aac_tables->scale_fac_bands_512[9] =
+      ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_24_512;
+  ptr_aac_tables->scale_fac_bands_512[10] =
+      ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_24_512;
+  ptr_aac_tables->scale_fac_bands_512[11] =
+      ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_24_512;
+  ptr_aac_tables->scale_fac_bands_512[12] =
+      ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_24_512;
+  ptr_aac_tables->scale_fac_bands_512[13] =
+      ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_24_512;
+  ptr_aac_tables->scale_fac_bands_512[14] =
+      ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_24_512;
+  ptr_aac_tables->scale_fac_bands_512[15] =
+      ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_24_512;
+
+  ptr_aac_tables->scale_fac_bands_480[0] =
+      ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_48_480;
+  ptr_aac_tables->scale_fac_bands_480[1] =
+      ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_48_480;
+  ptr_aac_tables->scale_fac_bands_480[2] =
+      ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_48_480;
+  ptr_aac_tables->scale_fac_bands_480[3] =
+      ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_48_480;
+  ptr_aac_tables->scale_fac_bands_480[4] =
+      ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_48_480;
+  ptr_aac_tables->scale_fac_bands_480[5] =
+      ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_32_480;
+  ptr_aac_tables->scale_fac_bands_480[6] =
+      ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_24_480;
+  ptr_aac_tables->scale_fac_bands_480[7] =
+      ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_24_480;
+  ptr_aac_tables->scale_fac_bands_480[8] =
+      ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_24_480;
+  ptr_aac_tables->scale_fac_bands_480[9] =
+      ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_24_480;
+  ptr_aac_tables->scale_fac_bands_480[10] =
+      ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_24_480;
+  ptr_aac_tables->scale_fac_bands_480[11] =
+      ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_24_480;
+  ptr_aac_tables->scale_fac_bands_480[12] =
+      ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_24_480;
+  ptr_aac_tables->scale_fac_bands_480[13] =
+      ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_24_480;
+  ptr_aac_tables->scale_fac_bands_480[14] =
+      ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_24_480;
+  ptr_aac_tables->scale_fac_bands_480[15] =
+      ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_24_480;
+}
+
+ia_aac_decoder_struct *ixheaacd_aac_decoder_init(
+    ia_aac_dec_state_struct *p_state_enhaacplus_dec,
+    ia_aac_dec_sbr_bitstream_struct *ptr_sbr_bitstream, WORD channels,
+    VOID *aac_persistent_mem_v, WORD32 frame_length) {
+  WORD i, ch;
+  struct ia_aac_persistent_struct *aac_persistent_mem;
+  aac_persistent_mem = (struct ia_aac_persistent_struct *)aac_persistent_mem_v;
+
+  aac_persistent_mem->str_aac_decoder.pstr_sbr_bitstream = ptr_sbr_bitstream;
+
+  for (ch = 0; ch < channels; ch++) {
+    ia_aac_decoder_struct *aac_dec_handle =
+        &aac_persistent_mem->str_aac_decoder;
+    aac_dec_handle->pstr_aac_dec_overlap_info[ch] =
+        &aac_persistent_mem->str_aac_dec_overlap_info[ch];
+    aac_dec_handle->pstr_pns_rand_vec_data =
+        &aac_persistent_mem->str_pns_rand_vec_data;
+
+    aac_dec_handle->pstr_aac_dec_overlap_info[ch]->window_shape = 0;
+    aac_dec_handle->pstr_aac_dec_overlap_info[ch]->window_sequence = 0;
+    if (p_state_enhaacplus_dec->audio_object_type == AOT_ER_AAC_ELD)
+      aac_dec_handle->pstr_aac_dec_overlap_info[ch]->ptr_overlap_buf =
+          &aac_persistent_mem->overlap_buffer[ch * 4 * OVERLAP_BUFFER_SIZE];
+    else
+      aac_dec_handle->pstr_aac_dec_overlap_info[ch]->ptr_overlap_buf =
+          &aac_persistent_mem->overlap_buffer[ch * OVERLAP_BUFFER_SIZE];
+
+    {
+      WORD32 *ptr_overlap_buf =
+          aac_dec_handle->pstr_aac_dec_overlap_info[ch]->ptr_overlap_buf;
+      memset(ptr_overlap_buf, 0, sizeof(WORD32) * 4 * 512);
+    }
+    aac_persistent_mem->str_aac_decoder.ptr_aac_dec_static_channel_info[ch] =
+        aac_persistent_mem->ptr_aac_dec_static_channel_info[ch];
+    aac_persistent_mem->str_aac_decoder.ptr_aac_dec_static_channel_info[ch]
+        ->ltp_buf = aac_persistent_mem->ltp_buf[ch];
+  }
+
+  for (i = 0; i < 1; i++) {
+    ia_aac_dec_sbr_bitstream_struct *ptr_sbr_bitstream =
+        &aac_persistent_mem->str_aac_decoder.pstr_sbr_bitstream[i];
+
+    ptr_sbr_bitstream->no_elements = 0;
+    ptr_sbr_bitstream->str_sbr_ele[0].ptr_sbr_data =
+        &aac_persistent_mem->sbr_payload_buffer[ALIGN_SIZE64(MAXSBRBYTES) * i];
+    ptr_sbr_bitstream->str_sbr_ele[0].sbr_ele_id = ID_SCE;
+    ptr_sbr_bitstream->str_sbr_ele[0].size_payload = 0;
+  }
+
+  {
+    ia_aac_dec_tables_struct *ptr_aac_tables =
+        aac_persistent_mem->str_aac_decoder.pstr_aac_tables;
+    ia_aac_dec_huffman_tables_struct *pstr_huffmann_tables =
+        ptr_aac_tables->pstr_huffmann_tables;
+
+    WORD num_entries = sizeof(pstr_huffmann_tables->str_sample_rate_info) /
+                       sizeof(ia_sampling_rate_info_struct);
+
+    WORD32 sampling_rate = p_state_enhaacplus_dec->sampling_rate;
+
+    i = 0;
+    while (sampling_rate != ((pstr_huffmann_tables->str_sample_rate_info[i]
+                                  .sampling_frequency)) &&
+           (i < num_entries)) {
+      i++;
+    }
+    if (i == 12) {
+      i = i - 1;
+    }
+
+    if (i == num_entries) {
+      return NULL;
+    }
+
+    if (frame_length == 1024) {
+      WORD16 *psfb_table_idx[2];
+      const WORD8 *psfb_width[2];
+      WORD width_idx;
+      WORD32 j;
+
+      psfb_table_idx[0] = ptr_aac_tables->sfb_long_table;
+      psfb_table_idx[1] = ptr_aac_tables->sfb_short_table;
+
+      psfb_width[0] = ptr_aac_tables->scale_factor_bands_long[i];
+      psfb_width[1] = ptr_aac_tables->scale_factor_bands_short[i];
+
+      for (j = 1; j >= 0; j--) {
+        const WORD8 *ptr_width = psfb_width[j];
+        WORD16 *ptable_idx = psfb_table_idx[j];
+        width_idx = 0;
+        *ptable_idx++ = width_idx;
+        do {
+          width_idx += (*ptr_width++);
+          *ptable_idx++ = width_idx;
+        } while (*ptr_width != -1);
+
+        aac_persistent_mem->str_aac_decoder.num_swb_window[j] =
+            (WORD8)(ptr_width - psfb_width[j]);
+      }
+
+      {
+        ptr_aac_tables->str_aac_sfb_info[0].sfb_index =
+            ptr_aac_tables->sfb_long_table;
+        ptr_aac_tables->str_aac_sfb_info[1].sfb_index =
+            ptr_aac_tables->sfb_long_table;
+        ptr_aac_tables->str_aac_sfb_info[3].sfb_index =
+            ptr_aac_tables->sfb_long_table;
+
+        ptr_aac_tables->str_aac_sfb_info[2].sfb_index =
+            ptr_aac_tables->sfb_short_table;
+
+        ptr_aac_tables->str_aac_sfb_info[0].sfb_width = (WORD8 *)psfb_width[0];
+        ptr_aac_tables->str_aac_sfb_info[1].sfb_width = (WORD8 *)psfb_width[0];
+        ptr_aac_tables->str_aac_sfb_info[3].sfb_width = (WORD8 *)psfb_width[0];
+
+        ptr_aac_tables->str_aac_sfb_info[2].sfb_width = (WORD8 *)psfb_width[1];
+      }
+    } else {
+      WORD16 *ptr_sfb_idx[2];
+      const WORD8 *ptr_sfb_width[2];
+      WORD width_idx;
+      WORD32 j;
+
+      ptr_sfb_idx[0] = ptr_aac_tables->sfb_long_table;
+      ptr_sfb_idx[1] = ptr_aac_tables->sfb_short_table;
+
+      if (frame_length == 512)
+        ptr_sfb_width[0] = ptr_aac_tables->scale_fac_bands_512[i];
+      else
+        ptr_sfb_width[0] = ptr_aac_tables->scale_fac_bands_480[i];
+
+      for (j = 0; j >= 0; j--) {
+        const WORD8 *ptr_width = ptr_sfb_width[j];
+        WORD16 *ptr_idx = ptr_sfb_idx[j];
+        width_idx = 0;
+        *ptr_idx++ = width_idx;
+        do {
+          width_idx += (*ptr_width++);
+          *ptr_idx++ = width_idx;
+        } while (*ptr_width != -1);
+
+        aac_persistent_mem->str_aac_decoder.num_swb_window[j] =
+            (WORD8)(ptr_width - ptr_sfb_width[j]);
+      }
+
+      {
+        ptr_aac_tables->str_aac_sfb_info[0].sfb_index =
+            ptr_aac_tables->sfb_long_table;
+        ptr_aac_tables->str_aac_sfb_info[1].sfb_index =
+            ptr_aac_tables->sfb_long_table;
+        ptr_aac_tables->str_aac_sfb_info[3].sfb_index =
+            ptr_aac_tables->sfb_long_table;
+        ptr_aac_tables->str_aac_sfb_info[2].sfb_index =
+            ptr_aac_tables->sfb_short_table;
+
+        ptr_aac_tables->str_aac_sfb_info[0].sfb_width =
+            (WORD8 *)ptr_sfb_width[0];
+        ptr_aac_tables->str_aac_sfb_info[1].sfb_width =
+            (WORD8 *)ptr_sfb_width[0];
+        ptr_aac_tables->str_aac_sfb_info[3].sfb_width =
+            (WORD8 *)ptr_sfb_width[0];
+        ptr_aac_tables->str_aac_sfb_info[2].sfb_width =
+            (WORD8 *)ptr_sfb_width[1];
+      }
+    }
+    {
+      ia_aac_decoder_struct *aac_dec_handle =
+          &aac_persistent_mem->str_aac_decoder;
+      aac_dec_handle->sampling_rate_index = (WORD16)i;
+      aac_dec_handle->sampling_rate = sampling_rate;
+      aac_dec_handle->channels = 1;
+      aac_dec_handle->block_number = 0;
+      aac_dec_handle->samples_per_frame = frame_length;
+    }
+  }
+
+  return &(aac_persistent_mem->str_aac_decoder);
+}