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android13/external/libxaac/decoder/ixheaacd_create.c

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/******************************************************************************
* *
* 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 <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <assert.h>
#include "ixheaacd_type_def.h"
#include "ixheaacd_cnst.h"
#include "ixheaacd_bitbuffer.h"
#include "ixheaacd_config.h"
#include "ixheaacd_interface.h"
#include "ixheaacd_acelp_info.h"
#include "ixheaacd_tns_usac.h"
#include "ixheaacd_sbrdecsettings.h"
#include "ixheaacd_info.h"
#include "ixheaacd_struct.h"
#include "ixheaacd_sbr_common.h"
#include "ixheaacd_drc_data_struct.h"
#include "ixheaacd_drc_dec.h"
#include "ixheaacd_sbr_scale.h"
#include "ixheaacd_env_extr_part.h"
#include "ixheaacd_sbr_rom.h"
#include "ixheaacd_hybrid.h"
#include "ixheaacd_ps_dec.h"
#include "ixheaacd_common_rom.h"
#include "ixheaacd_qmf_dec.h"
#include "ixheaacd_sbr_const.h"
#include "ixheaacd_lpp_tran.h"
#include "ixheaacd_sbrdecoder.h"
#include "ixheaacd_env_extr.h"
#include "ixheaacd_env_calc.h"
#include "ixheaacd_pvc_dec.h"
#include "ixheaacd_sbr_dec.h"
#include "ixheaacd_mps_polyphase.h"
#include "ixheaacd_sbr_const.h"
#include "ixheaacd_main.h"
#include "ixheaacd_arith_dec.h"
#include "ixheaacd_memory_standards.h"
#include "ixheaacd_sbrdecsettings.h"
#include "ixheaacd_defines.h"
#include "ixheaacd_aac_rom.h"
#include "ixheaacd_common_rom.h"
#include "ixheaacd_sbr_rom.h"
#include "ixheaacd_bitbuffer.h"
#include "ixheaacd_pulsedata.h"
#include "ixheaacd_pns.h"
#include "ixheaacd_lt_predict.h"
#include "ixheaacd_channelinfo.h"
#include "ixheaacd_channel.h"
#include "ixheaacd_channelinfo.h"
#include "ixheaacd_sbrdecoder.h"
#include "ixheaacd_audioobjtypes.h"
#include "ixheaacd_latmdemux.h"
#include "ixheaacd_aacdec.h"
#include "ixheaacd_sbr_common.h"
#include "ixheaacd_mps_polyphase.h"
#include "ixheaacd_config.h"
#include "ixheaacd_mps_dec.h"
#include "ixheaacd_struct_def.h"
#include "ixheaacd_create.h"
#include "ixheaacd_process.h"
#include "ixheaacd_sbrdecoder.h"
#include "ixheaacd_mps_interface.h"
#include "ixheaacd_bit_extract.h"
#include "ixheaacd_func_def.h"
#include "ixheaacd_interface.h"
extern const ia_huff_code_word_struct ixheaacd_huff_book_scl[];
extern const WORD32 ixheaacd_book_scl_index[];
extern const WORD16 ixheaacd_book_scl_code_book[];
extern const ia_usac_samp_rate_info ixheaacd_samp_rate_info[];
extern const WORD32 ixheaacd_sampling_boundaries[(1 << LEN_SAMP_IDX)];
const WORD32 ixheaacd_sampl_freq_idx_table[17] = {
96000, 88200, 64000, 48000, 44100, 32000, 24000, 22050, 16000,
12000, 11025, 8000, 7350, -1, -1, -1, -1};
static VOID ixheaacd_info_init(const ia_usac_samp_rate_info *ptr_samp_info,
WORD32 block_size_samples,
ia_sfb_info_struct *pstr_sfb_info_long,
ia_sfb_info_struct *pstr_sfb_info_short,
WORD16 *sfb_width_short,
WORD16 *sfb_width_long) {
WORD32 i, j, k, n, ws;
const WORD16 *sfbands;
ia_sfb_info_struct *pstr_sfb_info_ip;
pstr_sfb_info_long->islong = 1;
pstr_sfb_info_long->max_win_len = 1;
pstr_sfb_info_long->samp_per_bk = block_size_samples;
switch (block_size_samples) {
case 480:
pstr_sfb_info_long->ptr_sfb_tbl = ptr_samp_info->ptr_sfb_480;
pstr_sfb_info_long->sfb_per_sbk = ptr_samp_info->num_sfb_480;
break;
case 512:
pstr_sfb_info_long->ptr_sfb_tbl = ptr_samp_info->ptr_sfb_512;
pstr_sfb_info_long->sfb_per_sbk = ptr_samp_info->num_sfb_512;
break;
case 768:
pstr_sfb_info_long->sfb_per_sbk = ptr_samp_info->num_sfb_768;
pstr_sfb_info_long->ptr_sfb_tbl = ptr_samp_info->ptr_sfb_768;
break;
case 960:
pstr_sfb_info_long->ptr_sfb_tbl = ptr_samp_info->ptr_sfb_960;
pstr_sfb_info_long->sfb_per_sbk = ptr_samp_info->num_sfb_960;
break;
case 1024:
pstr_sfb_info_long->sfb_per_sbk = ptr_samp_info->num_sfb_1024;
pstr_sfb_info_long->ptr_sfb_tbl = ptr_samp_info->ptr_sfb_1024;
break;
default:
assert(0);
break;
}
pstr_sfb_info_long->sfb_width = sfb_width_long;
pstr_sfb_info_long->num_groups = 1;
pstr_sfb_info_long->group_len[0] = 1;
for (i = 0, j = 0, n = pstr_sfb_info_long->sfb_per_sbk; i < n; i++) {
k = pstr_sfb_info_long->ptr_sfb_tbl[i];
pstr_sfb_info_long->sfb_width[i] = k - j;
j = k;
}
pstr_sfb_info_short->islong = 0;
pstr_sfb_info_short->max_win_len = NSHORT;
pstr_sfb_info_short->samp_per_bk = block_size_samples;
for (i = 0; i < pstr_sfb_info_short->max_win_len; i++) {
switch (block_size_samples) {
case 768:
pstr_sfb_info_short->ptr_sfb_tbl = ptr_samp_info->ptr_sfb_96;
pstr_sfb_info_short->sfb_per_sbk = ptr_samp_info->num_sfb_96;
break;
case 960:
pstr_sfb_info_short->ptr_sfb_tbl = ptr_samp_info->ptr_sfb_120;
pstr_sfb_info_short->sfb_per_sbk = ptr_samp_info->num_sfb_120;
break;
case 1024:
pstr_sfb_info_short->ptr_sfb_tbl = ptr_samp_info->ptr_sfb_128;
pstr_sfb_info_short->sfb_per_sbk = ptr_samp_info->num_sfb_128;
break;
default:
assert(0);
break;
}
}
pstr_sfb_info_short->sfb_width = sfb_width_short;
for (i = 0, j = 0, n = pstr_sfb_info_short->sfb_per_sbk; i < n; i++) {
k = pstr_sfb_info_short->ptr_sfb_tbl[i];
pstr_sfb_info_short->sfb_width[i] = k - j;
j = k;
}
pstr_sfb_info_ip = pstr_sfb_info_long;
for (ws = 0; ws < 2; ws++) {
pstr_sfb_info_ip->sfb_per_bk = 0;
k = 0;
n = 0;
for (i = 0; i < pstr_sfb_info_ip->max_win_len; i++) {
pstr_sfb_info_ip->bins_per_sbk =
pstr_sfb_info_ip->samp_per_bk / pstr_sfb_info_ip->max_win_len;
pstr_sfb_info_ip->sfb_per_bk += pstr_sfb_info_ip->sfb_per_sbk;
sfbands = pstr_sfb_info_ip->ptr_sfb_tbl;
for (j = 0; j < pstr_sfb_info_ip->sfb_per_sbk; j++)
pstr_sfb_info_ip->sfb_idx_tbl[j + k] = sfbands[j] + n;
n += pstr_sfb_info_ip->bins_per_sbk;
k += pstr_sfb_info_ip->sfb_per_sbk;
}
pstr_sfb_info_ip = pstr_sfb_info_short;
}
}
WORD32 ixheaacd_decode_init(
VOID *handle, WORD32 sample_rate, ia_usac_data_struct *usac_data,
ia_audio_specific_config_struct *pstr_stream_config) {
WORD32 i;
ia_exhaacplus_dec_api_struct *codec_handle =
(ia_exhaacplus_dec_api_struct *)handle;
ia_aac_dec_state_struct *aac_dec_handle = codec_handle->p_state_aac;
WORD32 fscale;
WORD32 ele_id = 0;
ia_usac_config_struct *ptr_usac_config =
&(pstr_stream_config->str_usac_config);
ia_usac_decoder_config_struct *ptr_usac_dec_config =
&(pstr_stream_config->str_usac_config.str_usac_dec_config);
WORD32 num_elements = ptr_usac_dec_config->num_elements;
WORD32 chan = 0;
usac_data->huffman_code_book_scl = aac_dec_handle->huffman_code_book_scl;
usac_data->huffman_code_book_scl_index =
aac_dec_handle->huffman_code_book_scl_index;
usac_data->tns_coeff3_32 =
aac_dec_handle->pstr_aac_tables->pstr_block_tables->tns_coeff3_32;
usac_data->tns_coeff4_32 =
aac_dec_handle->pstr_aac_tables->pstr_block_tables->tns_coeff4_32;
usac_data->tns_max_bands_tbl_usac =
&aac_dec_handle->pstr_aac_tables->pstr_block_tables
->tns_max_bands_tbl_usac;
for (i = 0; i < 11; i++) {
if (ixheaacd_sampling_boundaries[i] <= sample_rate) break;
}
if (i == (1 << LEN_SAMP_IDX)) return -1;
usac_data->sampling_rate_idx = i;
fscale = (WORD32)((double)sample_rate * (double)FSCALE_DENOM / 12800.0f);
for (i = 0; i < MAX_NUM_CHANNELS; i++) {
usac_data->window_shape_prev[i] = 0;
usac_data->window_shape[i] = 0;
}
ixheaacd_hufftab(&ixheaacd_book, ixheaacd_huff_book_scl,
ixheaacd_book_scl_code_book, ixheaacd_book_scl_index, 1, 60,
60, 1, 19);
usac_data->pstr_usac_winmap[0] = &usac_data->str_only_long_info;
usac_data->pstr_usac_winmap[1] = &usac_data->str_only_long_info;
usac_data->pstr_usac_winmap[2] = &usac_data->str_eight_short_info;
usac_data->pstr_usac_winmap[3] = &usac_data->str_only_long_info;
usac_data->pstr_usac_winmap[4] = &usac_data->str_only_long_info;
if ((usac_data->ccfl != 480) && (usac_data->ccfl != 512) &&
(usac_data->ccfl != 768) && (usac_data->ccfl != 960) &&
(usac_data->ccfl != 1024))
return -1;
ixheaacd_info_init(&ixheaacd_samp_rate_info[usac_data->sampling_rate_idx],
usac_data->ccfl, usac_data->pstr_usac_winmap[0],
usac_data->pstr_usac_winmap[2], usac_data->sfb_width_short,
usac_data->sfb_width_long);
for (i = 0; i < MAX_NUM_CHANNELS; i++) {
usac_data->str_tddec[i] = &usac_data->arr_str_tddec[i];
if (usac_data->ccfl == 768)
usac_data->str_tddec[i]->fscale = pstr_stream_config->sampling_frequency;
else
usac_data->str_tddec[i]->fscale =
((fscale)*usac_data->ccfl) / LEN_SUPERFRAME;
usac_data->len_subfrm = usac_data->ccfl / 4;
usac_data->num_subfrm = (MAX_NUM_SUBFR * usac_data->ccfl) / LEN_SUPERFRAME;
ixheaacd_init_acelp_data(usac_data, usac_data->str_tddec[i]);
usac_data->str_tddec[i]->fd_synth =
&usac_data->str_tddec[i]->fd_synth_buf[LEN_FRAME];
}
for (ele_id = 0; ele_id < num_elements; ele_id++) {
UWORD32 ele_type;
WORD32 stereo_config_index;
ia_usac_dec_element_config_struct *ptr_usac_ele_config =
&ptr_usac_config->str_usac_dec_config.str_usac_element_config[ele_id];
if (ptr_usac_ele_config) {
if (usac_data->tw_mdct[ele_id]) {
return -1;
}
usac_data->noise_filling_config[ele_id] =
ptr_usac_ele_config->noise_filling;
}
ele_type = ptr_usac_config->str_usac_dec_config.usac_element_type[ele_id];
stereo_config_index = ptr_usac_ele_config->stereo_config_index;
switch (ele_type) {
case ID_USAC_SCE:
case ID_USAC_LFE:
if ((chan + 1) > MAX_NUM_CHANNELS_USAC_LVL2) return -1;
usac_data->seed_value[chan] = 0x3039;
chan++;
break;
case ID_USAC_CPE: {
static const WORD32 frame_len_tbl[MAX_CORE_SBR_FRAME_LEN_IDX + 1] = {
-1, -1, 32, 32, 64};
if ((chan + 2) > MAX_NUM_CHANNELS_USAC_LVL2) return -1;
usac_data->seed_value[chan] = 0x3039;
chan++;
usac_data->seed_value[chan] = 0x10932;
chan++;
if (stereo_config_index > 0) {
WORD32 bs_frame_length =
frame_len_tbl[ptr_usac_config->core_sbr_framelength_index];
WORD32 bs_residual_coding = (stereo_config_index > 1) ? 1 : 0;
ia_usac_dec_mps_config_struct *ptr_usac_mps212_config =
&(ptr_usac_config->str_usac_dec_config
.str_usac_element_config[ele_id]
.str_usac_mps212_config);
if (ixheaacd_mps_create(&aac_dec_handle->mps_dec_handle,
bs_frame_length, bs_residual_coding,
ptr_usac_mps212_config)) {
return -1;
}
}
break;
}
break;
case ID_USAC_EXT:
break;
default:
return -1;
break;
}
}
return 0;
}
WORD32 ixheaacd_dec_data_init(VOID *handle,
ia_frame_data_struct *pstr_frame_data,
ia_usac_data_struct *usac_data) {
ia_audio_specific_config_struct *pstr_stream_config, *layer_config;
WORD32 err_code = 0;
WORD32 num_out_chan = 0;
WORD32 i_ch, i, ele_id;
WORD32 num_elements;
WORD32 out_frame_len, sbr_ratio_idx;
ia_usac_config_struct *ptr_usac_config =
&(pstr_frame_data->str_audio_specific_config.str_usac_config);
usac_data->window_shape_prev[0] = WIN_SEL_0;
usac_data->window_shape_prev[1] = WIN_SEL_0;
pstr_frame_data->str_layer.bit_rate =
pstr_frame_data->str_audio_specific_config.avg_bit_rate;
pstr_stream_config = &pstr_frame_data->str_audio_specific_config;
layer_config = &pstr_frame_data->str_audio_specific_config;
sbr_ratio_idx = ixheaacd_sbr_params(
ptr_usac_config->core_sbr_framelength_index, &out_frame_len,
&usac_data->ccfl, &usac_data->output_samples,
&pstr_frame_data->str_layer.sample_rate_layer,
&layer_config->samp_frequency_index);
pstr_stream_config->sampling_frequency =
pstr_frame_data->str_layer.sample_rate_layer;
pstr_stream_config->samp_frequency_index = layer_config->samp_frequency_index;
num_elements = ptr_usac_config->str_usac_dec_config.num_elements;
for (ele_id = 0; ele_id < num_elements; ele_id++) {
ia_usac_dec_element_config_struct *ptr_usac_ele_config =
&(ptr_usac_config->str_usac_dec_config.str_usac_element_config[ele_id]);
if (ptr_usac_ele_config) {
usac_data->tw_mdct[ele_id] = ptr_usac_ele_config->tw_mdct;
}
{
ia_usac_dec_mps_config_struct *ptr_usac_mps212_config =
&ptr_usac_ele_config->str_usac_mps212_config;
WORD32 stereo_config_index = ptr_usac_ele_config->stereo_config_index;
usac_data->mps_pseudo_lr[ele_id] =
(stereo_config_index > 1) ? ptr_usac_mps212_config->bs_pseudo_lr : 0;
}
}
usac_data->sbr_ratio_idx = sbr_ratio_idx;
usac_data->esbr_bit_str[0].no_elements = 0;
usac_data->esbr_bit_str[1].no_elements = 0;
num_out_chan = ptr_usac_config->num_out_channels;
if (usac_data->ccfl == 768)
pstr_frame_data->str_layer.sample_rate_layer =
4 * pstr_frame_data->str_layer.sample_rate_layer / 3;
for (i = 0; i < MAX_NUM_CHANNELS; i++) {
usac_data->coef_fix[i] = &usac_data->arr_coef_fix[i][0];
usac_data->coef[i] = &usac_data->arr_coef[i][0];
usac_data->coef_save[i] = &usac_data->arr_coef_save[i][0];
usac_data->factors[i] = &usac_data->arr_factors[i][0];
usac_data->group_dis[i] = &usac_data->arr_group_dis[i][0];
usac_data->pstr_tns[i] = &usac_data->arr_str_tns[i];
usac_data->tw_ratio[i] = &usac_data->arr_tw_ratio[i][0];
usac_data->ms_used[i] = &usac_data->arr_ms_used[i][0];
usac_data->window_shape_prev[i] = WIN_SEL_0;
usac_data->seed_value[i] = 0x0;
usac_data->fac_data_present[i] = 0;
}
err_code =
ixheaacd_decode_init(handle, pstr_frame_data->str_layer.sample_rate_layer,
usac_data, pstr_stream_config);
if (err_code != 0) return err_code;
for (i_ch = 0; i_ch < MAX_NUM_CHANNELS; i_ch++) {
if (usac_data->tw_mdct[0] == 1) {
WORD32 i;
for (i = 0; i < 2 * usac_data->ccfl; i++) {
usac_data->warp_cont_mem[i_ch][i] = 1.0;
}
usac_data->warp_sum[i_ch][0] = usac_data->warp_sum[i_ch][1] =
(FLOAT32)usac_data->ccfl;
}
}
return err_code;
}
static VOID ixheaacd_count_tracks_per_layer(int *max_layer, int *stream_count,
int *tracks_in_layer) {
WORD32 stream;
WORD32 num_layer;
WORD32 num_streams;
WORD32 layer = 0;
if (stream_count == NULL)
num_streams = 0;
else
num_streams = *stream_count;
if (max_layer == NULL)
num_layer = num_streams;
else
num_layer = *max_layer;
if (num_layer < 0) num_layer = num_streams;
for (stream = 0; (layer <= num_layer) && (stream < num_streams);) {
*tracks_in_layer = 1;
stream += 1;
layer++;
if (layer <= num_layer) *tracks_in_layer = 0;
}
if (max_layer) *max_layer = (layer - 1);
if (stream_count) *stream_count = stream;
}
WORD32 ixheaacd_frm_data_init(ia_audio_specific_config_struct *pstr_audio_conf,
ia_dec_data_struct *pstr_dec_data)
{
WORD32 layer;
WORD32 track;
WORD32 num_dec_streams;
ia_frame_data_struct *pstr_frame_data;
WORD32 stream_count = 1;
WORD32 max_layer = -1;
memset(pstr_dec_data, 0, sizeof(ia_dec_data_struct));
memset(&(pstr_dec_data->str_frame_data), 0,
sizeof(pstr_dec_data->str_frame_data));
pstr_frame_data = &(pstr_dec_data->str_frame_data);
if (max_layer < 0) max_layer = stream_count - 1;
ixheaacd_count_tracks_per_layer(&max_layer, &stream_count,
&pstr_frame_data->tracks_in_layer);
pstr_frame_data->scal_out_select = max_layer;
pstr_frame_data->stream_count = 0;
num_dec_streams = track = 0;
for (layer = 0; layer < (signed)pstr_frame_data->scal_out_select + 1;
layer++) {
WORD32 j;
for (j = 0; j < 1; j++, num_dec_streams++) {
pstr_frame_data->str_audio_specific_config = *pstr_audio_conf;
pstr_frame_data->str_layer.sample_rate_layer =
pstr_frame_data->str_audio_specific_config.sampling_frequency;
pstr_frame_data->str_layer.bit_rate =
pstr_frame_data->str_audio_specific_config.avg_bit_rate;
}
track += pstr_frame_data->tracks_in_layer;
}
pstr_frame_data->stream_count = num_dec_streams;
return num_dec_streams;
}
WORD32 ixheaacd_decode_create(ia_exhaacplus_dec_api_struct *handle,
ia_dec_data_struct *pstr_dec_data,
WORD32 tracks_for_decoder) {
WORD32 stream;
WORD32 err = 0;
ia_frame_data_struct *pstr_frame_data;
WORD32 stream_count;
ia_aac_dec_state_struct *aac_dec_handle = handle->p_state_aac;
pstr_frame_data = &(pstr_dec_data->str_frame_data);
stream_count = pstr_frame_data->stream_count;
pstr_frame_data->stream_count = tracks_for_decoder;
for (stream = 0; stream < stream_count; stream++) {
UWORD32 aot = pstr_frame_data->str_audio_specific_config.audio_object_type;
switch (aot) {
case AOT_USAC:
err = ixheaacd_dec_data_init(handle, pstr_frame_data,
&(pstr_dec_data->str_usac_data));
if (err != 0) return err;
switch (pstr_dec_data->str_usac_data.sbr_ratio_idx) {
case 0:
handle->aac_config.ui_sbr_mode = 0;
break;
case 1:
handle->aac_config.ui_sbr_mode = 1;
break;
case 2:
handle->aac_config.ui_sbr_mode = 1;
break;
case 3:
handle->aac_config.ui_sbr_mode = 3;
break;
default:
handle->aac_config.ui_sbr_mode = 0;
}
break;
default:
break;
}
}
pstr_frame_data->scal_out_object_type =
pstr_frame_data->str_audio_specific_config.audio_object_type;
pstr_frame_data->scal_out_num_channels =
pstr_frame_data->str_audio_specific_config.channel_configuration;
pstr_frame_data->scal_out_sampling_frequency =
pstr_frame_data->str_audio_specific_config.sampling_frequency;
if (&(pstr_dec_data->str_usac_data) != NULL) {
ia_sbr_header_data_struct usac_def_header;
ia_audio_specific_config_struct *pstr_aud_spec_config =
&pstr_frame_data->str_audio_specific_config;
ia_usac_config_struct *ptr_usac_config =
&(pstr_frame_data->str_audio_specific_config.str_usac_config);
WORD32 inter_tes[MAX_NUM_ELEMENTS] = {0};
WORD32 bs_pvc[MAX_NUM_ELEMENTS] = {0};
WORD32 harmonic_sbr[MAX_NUM_ELEMENTS] = {0};
WORD32 inter_test_flag = 0;
WORD32 bs_pvc_flag = 0;
WORD32 harmonic_Sbr_flag = 0;
ia_usac_decoder_config_struct *ptr_usac_dec_config =
&ptr_usac_config->str_usac_dec_config;
WORD32 const num_ele = ptr_usac_dec_config->num_elements;
WORD32 elem_idx = 0;
memset(&usac_def_header, 0, sizeof(ia_sbr_header_data_struct));
for (elem_idx = 0; elem_idx < num_ele; elem_idx++) {
UWORD32 usac_ele_type =
ptr_usac_config->str_usac_dec_config.usac_element_type[elem_idx];
ia_usac_dec_element_config_struct *ptr_usac_ele_config =
&ptr_usac_config->str_usac_dec_config
.str_usac_element_config[elem_idx];
ia_usac_dec_sbr_config_struct *ptr_usac_sbr_config =
&(ptr_usac_dec_config->str_usac_element_config[elem_idx]
.str_usac_sbr_config);
inter_tes[elem_idx] =
(ptr_usac_sbr_config != NULL) ? ptr_usac_sbr_config->bs_inter_tes : 0;
bs_pvc[elem_idx] =
(ptr_usac_sbr_config != NULL) ? ptr_usac_sbr_config->bs_pvc : 0;
harmonic_sbr[elem_idx] =
(ptr_usac_sbr_config != NULL) ? ptr_usac_sbr_config->harmonic_sbr : 0;
if (ptr_usac_sbr_config->bs_inter_tes) inter_test_flag = 1;
if (ptr_usac_sbr_config->bs_pvc) bs_pvc_flag = 1;
if (ptr_usac_sbr_config->harmonic_sbr) harmonic_Sbr_flag = 1;
if ((usac_ele_type != ID_USAC_LFE) && (usac_ele_type != ID_USAC_EXT)) {
ia_usac_dec_sbr_config_struct *ptr_usac_sbr_config =
&(ptr_usac_ele_config->str_usac_sbr_config);
usac_def_header.start_freq = ptr_usac_sbr_config->dflt_start_freq;
usac_def_header.stop_freq = ptr_usac_sbr_config->dflt_stop_freq;
usac_def_header.header_extra_1 =
ptr_usac_sbr_config->dflt_header_extra1;
usac_def_header.header_extra_2 =
ptr_usac_sbr_config->dflt_header_extra2;
usac_def_header.freq_scale = ptr_usac_sbr_config->dflt_freq_scale;
usac_def_header.alter_scale = ptr_usac_sbr_config->dflt_alter_scale;
usac_def_header.noise_bands = ptr_usac_sbr_config->dflt_noise_bands;
usac_def_header.limiter_bands = ptr_usac_sbr_config->dflt_limiter_bands;
usac_def_header.limiter_gains = ptr_usac_sbr_config->dflt_limiter_gains;
usac_def_header.interpol_freq = ptr_usac_sbr_config->dflt_interpol_freq;
usac_def_header.smoothing_mode =
ptr_usac_sbr_config->dflt_smoothing_mode;
}
}
pstr_dec_data->str_usac_data.down_samp_sbr = 0;
if (pstr_dec_data->str_usac_data.sbr_ratio_idx > 0) {
if (pstr_aud_spec_config->ext_sampling_frequency ==
pstr_aud_spec_config->sampling_frequency) {
pstr_dec_data->str_usac_data.down_samp_sbr = 1;
}
if (pstr_dec_data->str_usac_data.down_samp_sbr == 0) {
if (pstr_dec_data->str_usac_data.sbr_ratio_idx == 3) {
pstr_frame_data->scal_out_sampling_frequency =
4 * pstr_frame_data->scal_out_sampling_frequency;
} else {
pstr_frame_data->scal_out_sampling_frequency =
2 * pstr_frame_data->scal_out_sampling_frequency;
}
}
{
void *sbr_persistent_mem_v = aac_dec_handle->sbr_persistent_mem_u;
pstr_dec_data->str_usac_data.pstr_esbr_dec = ixheaacd_init_sbr(
pstr_frame_data->str_layer.sample_rate_layer,
pstr_dec_data->str_usac_data.ccfl,
&pstr_dec_data->str_usac_data.down_samp_sbr, sbr_persistent_mem_v,
NULL, pstr_frame_data->scal_out_num_channels, 0,
pstr_dec_data->str_usac_data.sbr_ratio_idx,
pstr_dec_data->str_usac_data.output_samples, &harmonic_Sbr_flag,
(void *)&usac_def_header, aac_dec_handle->str_sbr_config,
pstr_dec_data->str_usac_data.audio_object_type);
pstr_dec_data->str_usac_data.sbr_scratch_mem_base =
aac_dec_handle->sbr_scratch_mem_u;
if (num_ele)
ixheaacd_setesbr_flags(sbr_persistent_mem_v, bs_pvc_flag,
harmonic_Sbr_flag, inter_test_flag);
}
if (pstr_dec_data->str_usac_data.pstr_esbr_dec == NULL) {
return -1;
} else {
pstr_dec_data->str_usac_data.pstr_esbr_dec->xaac_jmp_buf =
&(aac_dec_handle->xaac_jmp_buf);
}
}
}
aac_dec_handle->decode_create_done = 1;
return 0;
}
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