708 lines
24 KiB
C
708 lines
24 KiB
C
/******************************************************************************
|
|
* *
|
|
* 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;
|
|
}
|