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android13/external/libxaac/decoder/ixheaacd_huff_code_reorder.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 <string.h>
#include "ixheaacd_sbr_common.h"
#include "ixheaacd_type_def.h"
#include "ixheaacd_constants.h"
#include "ixheaacd_basic_ops32.h"
#include "ixheaacd_basic_ops40.h"
#include "ixheaacd_basic_ops.h"
#include "ixheaacd_bitbuffer.h"
#include "ixheaacd_defines.h"
#include "ixheaacd_aac_rom.h"
#include "ixheaacd_pulsedata.h"
#include "ixheaacd_pns.h"
#include "ixheaacd_lt_predict.h"
#include "ixheaacd_channelinfo.h"
#include "ixheaacd_drc_data_struct.h"
#include "ixheaacd_drc_dec.h"
#include "ixheaacd_sbrdecoder.h"
#include "ixheaacd_block.h"
#include "ixheaacd_channel.h"
#include "ixheaacd_common_rom.h"
#include "ixheaacd_aacdec.h"
#include "ixheaacd_sbrdecsettings.h"
#include "ixheaacd_env_extr_part.h"
#include "ixheaacd_sbr_rom.h"
#include "ixheaacd_audioobjtypes.h"
#include "ixheaacd_memory_standards.h"
#include "ixheaacd_latmdemux.h"
#include "ixheaacd_mps_polyphase.h"
#include "ixheaacd_config.h"
#include "ixheaacd_mps_dec.h"
#include "ixheaacd_struct_def.h"
#include "ixheaacd_cnst.h"
#include "ixheaacd_rvlc.h"
const UWORD8 ixheaacd_min_huff_cb_pair_tbl[MAX_CB_PAIRS] = {
0, 1, 3, 5, 7, 9, 16, 17, 18, 19, 20, 21,
22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 11};
const UWORD8 ixheaacd_max_huff_cb_pair_table[MAX_CB_PAIRS] = {
0, 2, 4, 6, 8, 10, 16, 17, 18, 19, 20, 21,
22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 11};
const UWORD8 ixheaacd_max_huff_cw_len_table[MAX_CB] = {
0, 11, 9, 20, 16, 13, 11, 14, 12, 17, 14, 49, 0, 0, 0, 0,
14, 17, 21, 21, 25, 25, 29, 29, 29, 29, 33, 33, 33, 37, 37, 41};
const UWORD8 ixheaacd_huff_cb_dim_table[MAX_CB] = {
2, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2};
const UWORD8 ixheaacd_huff_cb_dim_shift_table[MAX_CB] = {
1, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1};
const UWORD8 ixheaacd_huff_cb_sign_table[MAX_CB] = {
0, 0, 0, 1, 1, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0, 0,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1};
const UWORD8 ixheaacd_huff_cb_priority_table[MAX_CB] = {
0, 1, 1, 2, 2, 3, 3, 4, 4, 5, 5, 22, 0, 0, 0, 0,
6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21};
const UWORD16 ixheaacd_huff_reord_lav_table[MAX_CB] = {
0, 1, 1, 2, 2, 4, 4, 7, 7, 12, 12,
8191, 0, 0, 0, 0, 15, 31, 47, 63, 95, 127,
159, 191, 223, 255, 319, 383, 511, 767, 1023, 2047};
VOID ixheaacd_huff_code_reorder_tbl_init(ia_hcr_info_struct *ptr_hcr_info) {
ptr_hcr_info->codebook_pairs.ptr_min_cb_pair_tbl =
ixheaacd_min_huff_cb_pair_tbl;
ptr_hcr_info->codebook_pairs.ptr_max_cb_pair_tbl =
ixheaacd_max_huff_cb_pair_table;
ptr_hcr_info->table_info.ptr_max_cw_len_tbl = ixheaacd_max_huff_cw_len_table;
ptr_hcr_info->table_info.ptr_cb_dimension_tbl = ixheaacd_huff_cb_dim_table;
ptr_hcr_info->table_info.ptr_cb_dim_shift_tbl =
ixheaacd_huff_cb_dim_shift_table;
ptr_hcr_info->table_info.ptr_cb_sign_tbl = ixheaacd_huff_cb_sign_table;
ptr_hcr_info->table_info.ptr_cb_priority = ixheaacd_huff_cb_priority_table;
ptr_hcr_info->table_info.ptr_lav_tbl = ixheaacd_huff_reord_lav_table;
}
VOID ixheaacd_huff_mute_erroneous_lines(ia_hcr_info_struct *ptr_hcr_info) {
WORD32 c;
WORD32 *ptr_long = ptr_hcr_info->str_dec_io.ptr_quant_spec_coeff_base;
for (c = 0; c < 1024; c++) {
if (ptr_long[c] == (WORD32)8192) {
ptr_long[c] = 0;
}
}
}
static UWORD8 ixheaacd_err_detect_pcw_segment(WORD8 remaining_bits_in_segment,
ia_hcr_info_struct *ptr_hcr_info,
ia_pcw_type_struct kind,
WORD32 *qsc_base_of_cw,
UWORD8 dimension) {
WORD8 i;
if (remaining_bits_in_segment < 0) {
switch (kind) {
case PCW:
ptr_hcr_info->str_dec_io.err_log |= (ERROR_POS << 31);
break;
case PCW_SIGN:
ptr_hcr_info->str_dec_io.err_log |= (ERROR_POS << 30);
break;
case PCW_ESC_SIGN:
ptr_hcr_info->str_dec_io.err_log |= (ERROR_POS << 29);
break;
}
for (i = dimension; i != 0; i--) {
*qsc_base_of_cw++ = (WORD32)8192;
}
return 1;
}
return 0;
}
static VOID ixheaacd_nonpcw_sideinfo_init(ia_hcr_info_struct *ptr_hcr_info) {
UWORD16 i, k;
UWORD8 cb_dim;
UWORD8 *ptr_cb = ptr_hcr_info->str_non_pcw_side_info.ptr_cb;
UWORD16 *res_ptr_idx = ptr_hcr_info->str_non_pcw_side_info.res_ptr_idx;
UWORD16 *ptr_num_ext_sorted_cw_in_sect =
ptr_hcr_info->sect_info.ptr_num_ext_sorted_cw_in_sect;
WORD32 num_ext_sorted_cw_in_sect_idx =
ptr_hcr_info->sect_info.num_ext_sorted_cw_in_sect_idx;
UWORD8 *ptr_ext_sorted_cw = ptr_hcr_info->sect_info.ptr_ext_sorted_cw;
WORD32 ext_sorted_cw_idx = ptr_hcr_info->sect_info.ext_sorted_cw_idx;
UWORD16 *ptr_num_ext_sorted_sect_in_sets =
ptr_hcr_info->sect_info.ptr_num_ext_sorted_sect_in_sets;
WORD32 num_ext_sorted_sect_in_sets_idx =
ptr_hcr_info->sect_info.num_ext_sorted_sect_in_sets_idx;
WORD32 quant_spec_coeff_idx = ptr_hcr_info->str_dec_io.quant_spec_coeff_idx;
const UWORD8 *ptr_cb_dimension_tbl =
ptr_hcr_info->table_info.ptr_cb_dimension_tbl;
WORD32 loop_idx = 0;
for (i = ptr_num_ext_sorted_sect_in_sets[num_ext_sorted_sect_in_sets_idx];
i != 0; i--) {
cb_dim = ptr_cb_dimension_tbl[ptr_ext_sorted_cw[ext_sorted_cw_idx]];
for (k = ptr_num_ext_sorted_cw_in_sect[num_ext_sorted_cw_in_sect_idx];
k != 0; k--) {
loop_idx++;
if (loop_idx > 256) {
return;
}
*ptr_cb++ = ptr_ext_sorted_cw[ext_sorted_cw_idx];
*res_ptr_idx++ = quant_spec_coeff_idx;
quant_spec_coeff_idx += cb_dim;
if (quant_spec_coeff_idx >= 1024) {
return;
}
}
num_ext_sorted_cw_in_sect_idx++;
ext_sorted_cw_idx++;
if (num_ext_sorted_cw_in_sect_idx >= (MAX_SFB_HCR + MAX_HCR_SETS) ||
ext_sorted_cw_idx >= (MAX_SFB_HCR + MAX_HCR_SETS)) {
return;
}
}
num_ext_sorted_sect_in_sets_idx++;
if (num_ext_sorted_cw_in_sect_idx >= (MAX_SFB_HCR + MAX_HCR_SETS)) {
return;
}
ptr_hcr_info->sect_info.num_ext_sorted_cw_in_sect_idx =
num_ext_sorted_cw_in_sect_idx;
ptr_hcr_info->sect_info.ext_sorted_cw_idx = ext_sorted_cw_idx;
ptr_hcr_info->sect_info.num_ext_sorted_sect_in_sets_idx =
num_ext_sorted_sect_in_sets_idx;
ptr_hcr_info->sect_info.num_ext_sorted_cw_in_sect_idx =
num_ext_sorted_cw_in_sect_idx;
ptr_hcr_info->str_dec_io.quant_spec_coeff_idx = quant_spec_coeff_idx;
}
static VOID ixheaacd_calc_num_ext_sorted_sect_sets(
UWORD32 num_segment, UWORD16 *ptr_num_ext_sorted_cw_in_sect,
WORD32 num_ext_sorted_cw_in_sect_idx,
UWORD16 *ptr_num_ext_sorted_sect_in_sets,
WORD32 num_ext_sorted_sect_in_sets_idx) {
UWORD16 counter = 0;
UWORD32 cw_sum = 0;
UWORD16 *ptr_num_ext_sort_cw_in_sect = ptr_num_ext_sorted_cw_in_sect;
UWORD16 *ptr_num_ext_sort_sect_in_sets = ptr_num_ext_sorted_sect_in_sets;
while (ptr_num_ext_sort_cw_in_sect[num_ext_sorted_cw_in_sect_idx] != 0) {
cw_sum += ptr_num_ext_sort_cw_in_sect[num_ext_sorted_cw_in_sect_idx];
num_ext_sorted_cw_in_sect_idx++;
if (num_ext_sorted_cw_in_sect_idx >= (MAX_SFB_HCR + MAX_HCR_SETS)) {
return;
}
if (cw_sum > num_segment) {
return;
}
counter++;
if (counter > 256) {
return;
}
if (cw_sum == num_segment) {
ptr_num_ext_sort_sect_in_sets[num_ext_sorted_sect_in_sets_idx] = counter;
num_ext_sorted_sect_in_sets_idx++;
if (num_ext_sorted_sect_in_sets_idx >= MAX_HCR_SETS) {
return;
}
counter = 0;
cw_sum = 0;
}
}
ptr_num_ext_sort_sect_in_sets[num_ext_sorted_sect_in_sets_idx] = counter;
}
static VOID ixheaacd_validate_hcr_sideinfo(WORD8 cb, WORD32 num_line,
UWORD32 *error_word) {
if (cb < ZERO_HCB || cb >= MAX_CB_CHECK || cb == (ESC_HCB + 1)) {
*error_word |= (ERROR_POS << 4);
}
if (num_line < 0 || num_line > 1024) {
*error_word |= (ERROR_POS << 5);
}
}
static VOID ixheaacd_validate_hcr_lengths(WORD8 longest_cw_len,
WORD16 reordered_spec_data_len,
UWORD32 *error_word) {
if (reordered_spec_data_len < longest_cw_len) {
*error_word |= (ERROR_POS << 8);
}
}
UWORD32 ixheaacd_huff_code_reorder_init(
ia_hcr_info_struct *ptr_hcr_info,
ia_aac_dec_channel_info_struct *ptr_aac_dec_channel_info,
ia_aac_dec_tables_struct *ptr_aac_tables, ia_bit_buf_struct *itt_bit_buff) {
ia_ics_info_struct *ptr_ics_info = &ptr_aac_dec_channel_info->str_ics_info;
WORD16 *ptr_num_sect_lines;
UWORD8 *ptr_cb;
WORD16 num_sect;
WORD8 cb;
WORD32 num_line;
WORD32 i;
ptr_hcr_info->str_dec_io.reordered_spec_data_len =
ptr_aac_dec_channel_info->reorder_spect_data_len;
ptr_hcr_info->str_dec_io.longest_cw_len =
ptr_aac_dec_channel_info->longest_cw_len;
ptr_hcr_info->str_dec_io.ptr_quant_spec_coeff_base =
ptr_aac_dec_channel_info->ptr_spec_coeff;
ptr_hcr_info->str_dec_io.quant_spec_coeff_idx = 0;
ptr_hcr_info->str_dec_io.ptr_cb = ptr_aac_dec_channel_info->cb4_hcr_arr;
ptr_hcr_info->str_dec_io.ptr_num_line_in_sect =
ptr_aac_dec_channel_info->num_line_in_sec4_hcr_arr;
ptr_hcr_info->str_dec_io.num_sect = ptr_aac_dec_channel_info->number_sect;
ptr_hcr_info->str_dec_io.err_log = 0;
ptr_hcr_info->str_non_pcw_side_info.ptr_result_base =
ptr_aac_dec_channel_info->ptr_spec_coeff;
ptr_hcr_info->str_dec_io.bit_str_idx =
itt_bit_buff->size - itt_bit_buff->cnt_bits;
itt_bit_buff->byte_ptr = (UWORD8 *)ptr_aac_dec_channel_info->scratch_buf_ptr;
itt_bit_buff->ptr_start = (UWORD8 *)ptr_aac_dec_channel_info->scratch_buf_ptr;
if (ptr_aac_dec_channel_info->str_ics_info.window_sequence ==
EIGHT_SHORT_SEQUENCE) {
WORD16 band;
WORD16 max_band;
WORD8 group;
WORD8 win_group_len;
WORD8 window;
WORD8 num_unit_in_band;
WORD8 cnt_unit_in_band;
WORD8 grp_win;
WORD8 cb_prev;
WORD8 *ptr_code_book;
const WORD16 *band_offsets;
WORD16 num_groups;
ptr_code_book = ptr_aac_dec_channel_info->ptr_code_book;
ptr_num_sect_lines = ptr_hcr_info->str_dec_io.ptr_num_line_in_sect;
ptr_cb = ptr_hcr_info->str_dec_io.ptr_cb;
band_offsets = (WORD16 *)ixheaacd_getscalefactorbandoffsets(ptr_ics_info,
ptr_aac_tables);
num_groups = ptr_ics_info->num_window_groups;
num_line = 0;
num_sect = 0;
cb = ptr_code_book[0];
cb_prev = ptr_code_book[0];
*ptr_cb++ = cb_prev;
max_band = ptr_ics_info->max_sfb;
for (band = 0; band < max_band; band++) {
num_unit_in_band = ((band_offsets[band + 1] - band_offsets[band]) >> 2);
for (cnt_unit_in_band = num_unit_in_band; cnt_unit_in_band != 0;
cnt_unit_in_band--) {
for (window = 0, group = 0; group < num_groups; group++) {
win_group_len = ptr_ics_info->window_group_length[group];
for (grp_win = win_group_len; grp_win != 0; grp_win--, window++) {
cb = ptr_code_book[group * 16 + band];
if (cb != cb_prev) {
ixheaacd_validate_hcr_sideinfo(cb, num_line,
&ptr_hcr_info->str_dec_io.err_log);
if (ptr_hcr_info->str_dec_io.err_log != 0) {
return (ptr_hcr_info->str_dec_io.err_log);
}
*ptr_cb++ = cb;
*ptr_num_sect_lines++ = num_line;
num_sect++;
cb_prev = cb;
num_line = LINES_PER_UNIT;
} else {
num_line += LINES_PER_UNIT;
}
}
}
}
}
num_sect++;
ixheaacd_validate_hcr_sideinfo(cb, num_line,
&ptr_hcr_info->str_dec_io.err_log);
if (num_sect <= 0 || num_sect > 1024 / 2) {
ptr_hcr_info->str_dec_io.err_log |= (ERROR_POS << 7);
}
ixheaacd_validate_hcr_lengths(
ptr_hcr_info->str_dec_io.longest_cw_len,
ptr_hcr_info->str_dec_io.reordered_spec_data_len,
&ptr_hcr_info->str_dec_io.err_log);
if (ptr_hcr_info->str_dec_io.err_log != 0) {
return (ptr_hcr_info->str_dec_io.err_log);
}
*ptr_cb = cb;
*ptr_num_sect_lines = num_line;
ptr_hcr_info->str_dec_io.num_sect = num_sect;
} else {
ixheaacd_validate_hcr_lengths(
ptr_hcr_info->str_dec_io.longest_cw_len,
ptr_hcr_info->str_dec_io.reordered_spec_data_len,
&ptr_hcr_info->str_dec_io.err_log);
num_sect = ptr_hcr_info->str_dec_io.num_sect;
ptr_num_sect_lines = ptr_hcr_info->str_dec_io.ptr_num_line_in_sect;
ptr_cb = ptr_hcr_info->str_dec_io.ptr_cb;
if (num_sect <= 0 || num_sect > 64) {
ptr_hcr_info->str_dec_io.err_log |= (ERROR_POS << 6);
num_sect = 0;
}
for (i = num_sect; i != 0; i--) {
cb = *ptr_cb++;
if (cb < ZERO_HCB || cb >= MAX_CB_CHECK || cb == (ESC_HCB + 1)) {
ptr_hcr_info->str_dec_io.err_log |= (ERROR_POS << 2);
}
num_line = *ptr_num_sect_lines++;
if ((num_line <= 0) || (num_line > 1024)) {
ptr_hcr_info->str_dec_io.err_log |= (ERROR_POS << 3);
}
}
if (ptr_hcr_info->str_dec_io.err_log != 0) {
return (ptr_hcr_info->str_dec_io.err_log);
}
}
ptr_cb = ptr_hcr_info->str_dec_io.ptr_cb;
for (i = 0; i < num_sect; i++) {
if ((*ptr_cb == NOISE_HCB) || (*ptr_cb == INTENSITY_HCB2) ||
(*ptr_cb == INTENSITY_HCB)) {
*ptr_cb = 0;
}
ptr_cb++;
}
return (ptr_hcr_info->str_dec_io.err_log);
}
static VOID ixheaacd_huff_calc_num_cwd(ia_hcr_info_struct *ptr_hcr_info) {
WORD32 sect_idx;
UWORD32 num_code_word;
UWORD32 num_sect = ptr_hcr_info->str_dec_io.num_sect;
UWORD8 *ptr_cb = ptr_hcr_info->str_dec_io.ptr_cb;
WORD16 *ptr_num_line_in_sect = ptr_hcr_info->str_dec_io.ptr_num_line_in_sect;
const UWORD8 *ptr_cb_dim_shift_tbl =
ptr_hcr_info->table_info.ptr_cb_dim_shift_tbl;
UWORD16 *ptr_num_cw_in_sect = ptr_hcr_info->sect_info.ptr_num_cw_in_sect;
num_code_word = 0;
for (sect_idx = num_sect; sect_idx != 0; sect_idx--) {
*ptr_num_cw_in_sect =
*ptr_num_line_in_sect++ >> ptr_cb_dim_shift_tbl[*ptr_cb];
if (*ptr_cb != 0) {
num_code_word += *ptr_num_cw_in_sect;
}
ptr_num_cw_in_sect++;
ptr_cb++;
}
ptr_hcr_info->sect_info.num_code_word = num_code_word;
}
static VOID ixheaacd_huff_sort_sect_cb_cwd(ia_hcr_info_struct *ptr_hcr_info) {
UWORD32 i, j, k;
UWORD8 temp;
UWORD32 counter;
UWORD32 start_offset;
UWORD32 num_zero_sect;
UWORD8 *ptr_dest;
UWORD32 num_sect_dec;
UWORD32 num_sect = ptr_hcr_info->str_dec_io.num_sect;
UWORD8 *ptr_cb = ptr_hcr_info->str_dec_io.ptr_cb;
UWORD8 *ptr_sorted_cb = ptr_hcr_info->sect_info.ptr_sorted_cb;
UWORD16 *ptr_num_cw_in_sect = ptr_hcr_info->sect_info.ptr_num_cw_in_sect;
UWORD16 *ptr_num_sorted_cw_in_sect =
ptr_hcr_info->sect_info.ptr_num_sorted_cw_in_sect;
UWORD8 *ptr_cb_switch = ptr_hcr_info->sect_info.ptr_cb_switch;
UWORD16 *ptr_reorder_offset = ptr_hcr_info->sect_info.ptr_reorder_offset;
const UWORD8 *ptr_cb_priority = ptr_hcr_info->table_info.ptr_cb_priority;
const UWORD8 *ptr_min_cb_pair_tbl =
ptr_hcr_info->codebook_pairs.ptr_min_cb_pair_tbl;
const UWORD8 *ptr_max_cb_pair_tbl =
ptr_hcr_info->codebook_pairs.ptr_max_cb_pair_tbl;
const UWORD8 *ptr_cb_dim_shift_tbl =
ptr_hcr_info->table_info.ptr_cb_dim_shift_tbl;
UWORD32 search_start_idx = 0;
ptr_dest = ptr_sorted_cb;
num_zero_sect = 0;
for (i = num_sect; i != 0; i--) {
if (ptr_cb_priority[*ptr_cb] == 0) {
num_zero_sect += 1;
}
*ptr_dest++ = ptr_cb_priority[*ptr_cb++];
}
ptr_hcr_info->sect_info.num_sorted_section = num_sect - num_zero_sect;
ptr_cb = ptr_hcr_info->str_dec_io.ptr_cb;
num_sect_dec = num_sect - 1;
if (num_sect_dec > 0) {
counter = num_sect_dec;
for (j = num_sect_dec; j != 0; j--) {
for (i = 0; i < counter; i++) {
if (ptr_sorted_cb[i + 1] > ptr_sorted_cb[i]) {
temp = ptr_sorted_cb[i];
ptr_sorted_cb[i] = ptr_sorted_cb[i + 1];
ptr_sorted_cb[i + 1] = temp;
}
}
counter -= 1;
}
}
for (i = num_sect; i != 0; i--) {
*ptr_cb_switch++ = 0;
}
ptr_cb_switch = ptr_hcr_info->sect_info.ptr_cb_switch;
for (j = 0; j < num_sect; j++) {
for (i = search_start_idx; i < num_sect; i++) {
if (ptr_cb_switch[i] == 0 &&
(ptr_min_cb_pair_tbl[ptr_sorted_cb[j]] == ptr_cb[i] ||
ptr_max_cb_pair_tbl[ptr_sorted_cb[j]] == ptr_cb[i])) {
ptr_cb_switch[i] = 1;
ptr_sorted_cb[j] = ptr_cb[i];
ptr_num_sorted_cw_in_sect[j] = ptr_num_cw_in_sect[i];
start_offset = 0;
for (k = 0; k < i; k++) {
start_offset += ptr_num_cw_in_sect[k]
<< ptr_cb_dim_shift_tbl[ptr_cb[k]];
}
ptr_reorder_offset[j] = start_offset;
if (i == search_start_idx) {
UWORD32 k = i;
while (ptr_cb_switch[k++] == 1) search_start_idx++;
}
break;
}
}
}
}
static VOID ixheaacd_huff_ext_sect_info(ia_hcr_info_struct *ptr_hcr_info) {
UWORD32 srt_sec_cnt = 0;
UWORD32 x_srt_sc_cnt = 0;
UWORD32 remain_num_cw_sort_sec;
UWORD32 in_segment_remain_num_cw;
UWORD32 num_sorted_section = ptr_hcr_info->sect_info.num_sorted_section;
UWORD8 *ptr_sorted_cb = ptr_hcr_info->sect_info.ptr_sorted_cb;
UWORD16 *ptr_num_sorted_cw_in_sect =
ptr_hcr_info->sect_info.ptr_num_sorted_cw_in_sect;
UWORD8 *ptr_extended_sorted_code_book =
ptr_hcr_info->sect_info.ptr_ext_sorted_cw;
UWORD16 *ptr_num_ext_sort_cw_sect =
ptr_hcr_info->sect_info.ptr_num_ext_sorted_cw_in_sect;
UWORD32 num_segment = ptr_hcr_info->str_segment_info.num_segment;
UWORD8 *ptr_ext_sorted_sect_max_cb_len =
ptr_hcr_info->sect_info.ptr_ext_sorted_sect_max_cb_len;
WORD8 longest_cw_len = ptr_hcr_info->str_dec_io.longest_cw_len;
const UWORD8 *ptr_max_cw_len_tbl =
ptr_hcr_info->table_info.ptr_max_cw_len_tbl;
remain_num_cw_sort_sec = ptr_num_sorted_cw_in_sect[srt_sec_cnt];
in_segment_remain_num_cw = num_segment;
while (srt_sec_cnt < num_sorted_section) {
if (in_segment_remain_num_cw < remain_num_cw_sort_sec) {
ptr_num_ext_sort_cw_sect[x_srt_sc_cnt] = in_segment_remain_num_cw;
ptr_extended_sorted_code_book[x_srt_sc_cnt] = ptr_sorted_cb[srt_sec_cnt];
remain_num_cw_sort_sec -= in_segment_remain_num_cw;
in_segment_remain_num_cw = num_segment;
} else if (in_segment_remain_num_cw == remain_num_cw_sort_sec) {
ptr_num_ext_sort_cw_sect[x_srt_sc_cnt] = in_segment_remain_num_cw;
ptr_extended_sorted_code_book[x_srt_sc_cnt] = ptr_sorted_cb[srt_sec_cnt];
srt_sec_cnt++;
remain_num_cw_sort_sec = ptr_num_sorted_cw_in_sect[srt_sec_cnt];
in_segment_remain_num_cw = num_segment;
} else {
ptr_num_ext_sort_cw_sect[x_srt_sc_cnt] = remain_num_cw_sort_sec;
ptr_extended_sorted_code_book[x_srt_sc_cnt] = ptr_sorted_cb[srt_sec_cnt];
in_segment_remain_num_cw -= remain_num_cw_sort_sec;
srt_sec_cnt++;
remain_num_cw_sort_sec = ptr_num_sorted_cw_in_sect[srt_sec_cnt];
}
ptr_ext_sorted_sect_max_cb_len[x_srt_sc_cnt] =
min(ptr_max_cw_len_tbl[ptr_extended_sorted_code_book[x_srt_sc_cnt]],
longest_cw_len);
x_srt_sc_cnt += 1;
if (x_srt_sc_cnt >= (MAX_SFB_HCR + MAX_HCR_SETS)) {
ptr_hcr_info->str_dec_io.err_log |= (ERROR_POS << 28);
return;
}
}
ptr_num_ext_sort_cw_sect[x_srt_sc_cnt] = 0;
}
static UWORD32 ixheaacd_hcr_prepare_segmentation_grid(
ia_hcr_info_struct *ptr_hcr_info) {
UWORD16 i, j;
UWORD16 num_segment = 0;
UWORD16 segment_start = 0;
UWORD8 segment_width;
UWORD8 last_segment_width;
UWORD8 sorted_code_book;
UWORD8 end_flag = 0;
UWORD16 intermediate_result;
WORD8 longest_cw_len = ptr_hcr_info->str_dec_io.longest_cw_len;
WORD16 reordered_spec_data_len =
ptr_hcr_info->str_dec_io.reordered_spec_data_len;
UWORD32 num_sorted_section = ptr_hcr_info->sect_info.num_sorted_section;
UWORD8 *ptr_sorted_cb = ptr_hcr_info->sect_info.ptr_sorted_cb;
UWORD16 *ptr_num_sorted_cw_in_sect =
ptr_hcr_info->sect_info.ptr_num_sorted_cw_in_sect;
UWORD16 *arr_seg_start_l = ptr_hcr_info->str_segment_info.arr_seg_start_l;
UWORD16 *arr_seg_start_r = ptr_hcr_info->str_segment_info.arr_seg_start_r;
WORD8 *p_remaining_bits_in_seg =
ptr_hcr_info->str_segment_info.p_remaining_bits_in_seg;
UWORD16 bit_str_idx = ptr_hcr_info->str_dec_io.bit_str_idx;
const UWORD8 *ptr_max_cw_len_tbl =
ptr_hcr_info->table_info.ptr_max_cw_len_tbl;
for (i = num_sorted_section; i != 0; i--) {
sorted_code_book = *ptr_sorted_cb++;
segment_width = min(ptr_max_cw_len_tbl[sorted_code_book], longest_cw_len);
for (j = *ptr_num_sorted_cw_in_sect; j != 0; j--) {
intermediate_result = bit_str_idx + segment_start;
if ((segment_start + segment_width) <= reordered_spec_data_len) {
*arr_seg_start_l++ = intermediate_result;
*arr_seg_start_r++ = intermediate_result + segment_width - 1;
*p_remaining_bits_in_seg++ = segment_width;
segment_start += segment_width;
num_segment += 1;
} else {
arr_seg_start_l--;
arr_seg_start_r--;
p_remaining_bits_in_seg--;
segment_start = *arr_seg_start_l - bit_str_idx;
last_segment_width = reordered_spec_data_len - segment_start;
*p_remaining_bits_in_seg = last_segment_width;
*arr_seg_start_r = bit_str_idx + segment_start + last_segment_width - 1;
end_flag = 1;
break;
}
}
ptr_num_sorted_cw_in_sect++;
if (end_flag != 0) {
break;
}
}
if (num_segment == 0) ptr_hcr_info->str_dec_io.err_log |= (ERROR_POS << 9);
ptr_hcr_info->str_segment_info.num_segment = num_segment;
return (ptr_hcr_info->str_dec_io.err_log);
}
static PLATFORM_INLINE UWORD16 *ixheaacd_huff_dec_pair_hcr_pcw(
ia_hcr_info_struct *ptr_hcr_info, ia_bit_buf_struct *it_bit_buff,
WORD no_bands, const UWORD16 *code_book_tbl, WORD32 *read_word,
WORD32 tbl_sign, const UWORD32 *idx_table, UWORD16 *arr_seg_start_l,
WORD32 *read_bits, WORD32 huff_mode, WORD8 *p_remaining_bits_in_seg,
WORD32 *ptr_num_decoded_bits)
{
WORD32 spec_index = ptr_hcr_info->str_dec_io.quant_spec_coeff_idx;
WORD32 *spec_coef =
ptr_hcr_info->str_dec_io.ptr_quant_spec_coeff_base + spec_index;
WORD16 index, length;
WORD32 y, z;
UWORD8 *ptr_read_next = it_bit_buff->ptr_read_next;
WORD32 *bit_pos = &it_bit_buff->bit_pos;
do {
UWORD32 read_word1;
WORD32 read_bit_offset =
*arr_seg_start_l - (it_bit_buff->size - *read_bits);
if (read_bit_offset) {
*read_bits -= read_bit_offset;
*bit_pos += read_bit_offset;
ixheaacd_aac_read_byte_corr(&ptr_read_next, bit_pos, read_word,
it_bit_buff->ptr_bit_buf_end);
}
read_word1 = *read_word << *bit_pos;
ixheaacd_huffman_decode(read_word1, &index, &length, code_book_tbl,
idx_table);
*bit_pos += length;
*ptr_num_decoded_bits += length;
*p_remaining_bits_in_seg -= length;
*arr_seg_start_l += length;
*read_bits -= length;
ixheaacd_aac_read_byte_corr(&ptr_read_next, bit_pos, read_word,
it_bit_buff->ptr_bit_buf_end);
if (tbl_sign) {
WORD32 temp_word;
temp_word = *read_word << *bit_pos;
y = index / huff_mode;
z = index - huff_mode * y;
if (y) {
if (temp_word & 0x80000000) y = -y;
temp_word = temp_word << 1;
*bit_pos += 1;
*p_remaining_bits_in_seg -= 1;
*ptr_num_decoded_bits += 1;
*arr_seg_start_l += 1;
*read_bits -= 1;
}
*spec_coef++ = y;
spec_index++;
if (z) {
if (temp_word & 0x80000000) {
z = -z;
}
temp_word <<= 1;
*bit_pos += 1;
*p_remaining_bits_in_seg -= 1;
*ptr_num_decoded_bits += 1;
*arr_seg_start_l += 1;
*read_bits -= 1;
}
*spec_coef++ = z;
spec_index++;
} else {
y = (index / huff_mode) - 4;
z = index - ((y + 4) * huff_mode) - 4;
*spec_coef++ = y;
*spec_coef++ = z;
spec_index += 2;
}
ixheaacd_aac_read_byte_corr(&ptr_read_next, bit_pos, read_word,
it_bit_buff->ptr_bit_buf_end);
no_bands--;
arr_seg_start_l++;
p_remaining_bits_in_seg++;
} while (no_bands != 0);
it_bit_buff->ptr_read_next = ptr_read_next;
ptr_hcr_info->str_dec_io.quant_spec_coeff_idx = spec_index;
return arr_seg_start_l;
}
static PLATFORM_INLINE WORD16 ixheaacd_huff_dec_pair_hcr_non_pcw(
ia_bit_buf_struct *itt_bit_buff, WORD32 *spec_coef,
const UWORD16 *code_book_tbl, WORD32 tbl_sign, const UWORD32 *idx_table,
WORD32 huff_mode)
{
WORD16 index, length;
WORD32 y, z;
WORD32 read_word1;
WORD32 read_word;
read_word = ixheaacd_aac_showbits_32(itt_bit_buff->byte_ptr,
itt_bit_buff->bit_count, NULL);
ixheaacd_huffman_decode(read_word, &index, &length, code_book_tbl, idx_table);
read_word1 = read_word << length;
if (tbl_sign) {
WORD32 temp_word;
temp_word = read_word1;
y = index / huff_mode;
z = index - huff_mode * y;
if (y) {
if (temp_word & 0x80000000) y = -y;
temp_word = temp_word << 1;
length++;
}
*spec_coef++ = y;
if (z) {
if (temp_word & 0x80000000) {
z = -z;
}
temp_word <<= 1;
length++;
}
*spec_coef++ = z;
} else {
y = (index / huff_mode) - 4;
z = index - ((y + 4) * huff_mode) - 4;
*spec_coef++ = y;
*spec_coef++ = z;
}
return length;
}
static PLATFORM_INLINE UWORD16 *ixheaacd_huff_dec_quad_hcr_pcw(
ia_hcr_info_struct *ptr_hcr_info, ia_bit_buf_struct *it_bit_buff,
WORD no_bands, const UWORD16 *code_book_tbl, WORD32 tbl_sign,
const UWORD32 *idx_table, WORD32 *read_word, WORD32 *read_bits,
UWORD16 *arr_seg_start_l, WORD8 *p_remaining_bits_in_seg,
WORD32 *ptr_num_decoded_bits) {
WORD16 index, length;
UWORD8 *ptr_read_next = it_bit_buff->ptr_read_next;
WORD32 spec_index = ptr_hcr_info->str_dec_io.quant_spec_coeff_idx;
WORD32 *spec_coef =
ptr_hcr_info->str_dec_io.ptr_quant_spec_coeff_base + spec_index;
WORD32 *bit_pos = &it_bit_buff->bit_pos;
do {
UWORD32 read_word1;
WORD32 read_bit_offset =
*arr_seg_start_l - (it_bit_buff->size - *read_bits);
if (read_bit_offset) {
*read_bits -= read_bit_offset;
*bit_pos += read_bit_offset;
ixheaacd_aac_read_byte_corr(&ptr_read_next, bit_pos, read_word,
it_bit_buff->ptr_bit_buf_end);
}
read_word1 = *read_word << *bit_pos;
ixheaacd_huffman_decode(read_word1, &index, &length, code_book_tbl,
idx_table);
*bit_pos += length;
*p_remaining_bits_in_seg -= length;
*read_bits -= length;
*ptr_num_decoded_bits += length;
*arr_seg_start_l += length;
ixheaacd_aac_read_byte_corr(&ptr_read_next, bit_pos, read_word,
it_bit_buff->ptr_bit_buf_end);
if (tbl_sign) {
WORD32 temp_word;
WORD32 w, x, y, z;
temp_word = *read_word << *bit_pos;
w = index / 27;
index = index - w * 27;
x = index / 9;
index = index - x * 9;
y = index / 3;
z = index - y * 3;
if (w) {
if (temp_word & 0x80000000) w = -w;
temp_word <<= 1;
*bit_pos += 1;
*p_remaining_bits_in_seg -= 1;
*read_bits -= 1;
*ptr_num_decoded_bits += 1;
*arr_seg_start_l += 1;
}
*spec_coef++ = w;
spec_index++;
if (x) {
if (temp_word & 0x80000000) x = -x;
temp_word <<= 1;
*bit_pos += 1;
*p_remaining_bits_in_seg -= 1;
*read_bits -= 1;
*ptr_num_decoded_bits += 1;
*arr_seg_start_l += 1;
}
*spec_coef++ = x;
spec_index++;
if (y) {
if (temp_word & 0x80000000) y = -y;
temp_word <<= 1;
*bit_pos += 1;
*p_remaining_bits_in_seg -= 1;
*read_bits -= 1;
*ptr_num_decoded_bits += 1;
*arr_seg_start_l += 1;
}
*spec_coef++ = y;
spec_index++;
if (z) {
if (temp_word & 0x80000000) z = -z;
temp_word <<= 1;
*bit_pos += 1;
*p_remaining_bits_in_seg -= 1;
*read_bits -= 1;
*ptr_num_decoded_bits += 1;
*arr_seg_start_l += 1;
}
*spec_coef++ = z;
spec_index++;
}
else {
WORD32 w, x, y, z;
w = index / 27 - 1;
index = index - (w + 1) * 27;
x = index / 9 - 1;
index = index - (x + 1) * 9;
y = index / 3 - 1;
z = index - ((y + 1) * 3) - 1;
*spec_coef++ = w;
*spec_coef++ = x;
*spec_coef++ = y;
*spec_coef++ = z;
spec_index += 4;
}
ixheaacd_aac_read_byte_corr(&ptr_read_next, bit_pos, read_word,
it_bit_buff->ptr_bit_buf_end);
arr_seg_start_l++;
p_remaining_bits_in_seg++;
no_bands--;
} while (no_bands != 0);
it_bit_buff->ptr_read_next = ptr_read_next;
ptr_hcr_info->str_dec_io.quant_spec_coeff_idx = spec_index;
return arr_seg_start_l;
}
static UWORD16 *ixheaacd_huff_dec_word_hcr_pcw(
ia_hcr_info_struct *ptr_hcr_info, ia_bit_buf_struct *it_bit_buff,
WORD no_bands, const UWORD16 *code_book_tbl, WORD32 *read_word,
const UWORD32 *idx_table, UWORD16 *arr_seg_start_l, WORD32 *read_bits,
WORD8 *p_remaining_bits_in_seg, WORD32 *ptr_num_decoded_bits) {
WORD32 sp1, sp2;
WORD32 flush_cw;
WORD32 i, value, norm_val, off;
WORD32 out1, out2;
WORD16 index;
WORD32 length;
UWORD8 *ptr_read_next = it_bit_buff->ptr_read_next;
WORD32 spec_index = ptr_hcr_info->str_dec_io.quant_spec_coeff_idx;
WORD32 *spec_coef =
ptr_hcr_info->str_dec_io.ptr_quant_spec_coeff_base + spec_index;
WORD32 *bit_pos = &it_bit_buff->bit_pos;
do {
UWORD32 read_word1;
WORD32 read_bit_offset =
*arr_seg_start_l - (it_bit_buff->size - *read_bits);
if (read_bit_offset) {
*read_bits -= read_bit_offset;
*bit_pos += read_bit_offset;
ixheaacd_aac_read_byte_corr1(&ptr_read_next, bit_pos, read_word,
it_bit_buff->ptr_bit_buf_end);
}
read_word1 = *read_word << *bit_pos;
ixheaacd_huff_sfb_table(read_word1, &index, &length, code_book_tbl,
idx_table);
*bit_pos += length;
*read_bits -= length;
*arr_seg_start_l += length;
*p_remaining_bits_in_seg -= length;
*ptr_num_decoded_bits += length;
ixheaacd_aac_read_byte_corr(&ptr_read_next, bit_pos, read_word,
it_bit_buff->ptr_bit_buf_end);
out1 = index / 17;
out2 = index - out1 * 17;
flush_cw = *read_word << *bit_pos;
sp1 = out1;
sp2 = out2;
if (out1) {
if (flush_cw & 0x80000000) {
out1 = -out1;
}
*bit_pos += 1;
*read_bits -= 1;
*p_remaining_bits_in_seg -= 1;
*ptr_num_decoded_bits += 1;
*arr_seg_start_l += 1;
flush_cw = (WORD32)flush_cw << 1;
}
if (out2) {
*bit_pos += 1;
*read_bits -= 1;
*p_remaining_bits_in_seg -= 1;
*ptr_num_decoded_bits += 1;
*arr_seg_start_l += 1;
if (flush_cw & 0x80000000) {
out2 = -out2;
}
}
ixheaacd_aac_read_byte_corr(&ptr_read_next, bit_pos, read_word,
it_bit_buff->ptr_bit_buf_end);
if (sp1 == 16) {
i = 4;
value = ixheaacd_extu(*read_word, *bit_pos, 23);
value = value | 0xfffffe00;
norm_val = ixheaacd_norm32(value);
i += (norm_val - 22);
*bit_pos += (norm_val - 21);
*p_remaining_bits_in_seg -= (norm_val - 21);
*ptr_num_decoded_bits += (norm_val - 21);
*read_bits -= (norm_val - 21);
*arr_seg_start_l += (norm_val - 21);
ixheaacd_aac_read_byte_corr(&ptr_read_next, bit_pos, read_word,
it_bit_buff->ptr_bit_buf_end);
off = ixheaacd_extu(*read_word, *bit_pos, 32 - i);
*bit_pos += i;
*p_remaining_bits_in_seg -= i;
*ptr_num_decoded_bits += i;
*read_bits -= i;
*arr_seg_start_l += i;
ixheaacd_aac_read_byte_corr(&ptr_read_next, bit_pos, read_word,
it_bit_buff->ptr_bit_buf_end);
ixheaacd_aac_read_byte_corr(&ptr_read_next, bit_pos, read_word,
it_bit_buff->ptr_bit_buf_end);
i = off + ((WORD32)1 << i);
if (out1 < 0)
*spec_coef++ = -i;
else
*spec_coef++ = i;
spec_index++;
} else {
*spec_coef++ = out1;
spec_index++;
}
if (sp2 == 16) {
i = 4;
value = ixheaacd_extu(*read_word, *bit_pos, 23);
value = value | 0xfffffe00;
norm_val = ixheaacd_norm32(value);
i += (norm_val - 22);
*bit_pos += (norm_val - 21);
*read_bits -= (norm_val - 21);
*p_remaining_bits_in_seg -= (norm_val - 21);
*ptr_num_decoded_bits += (norm_val - 21);
*arr_seg_start_l += (norm_val - 21);
ixheaacd_aac_read_byte_corr(&ptr_read_next, bit_pos, read_word,
it_bit_buff->ptr_bit_buf_end);
off = ixheaacd_extu(*read_word, *bit_pos, 32 - i);
*bit_pos += i;
*p_remaining_bits_in_seg -= i;
*ptr_num_decoded_bits += i;
*read_bits -= i;
*arr_seg_start_l += i;
ixheaacd_aac_read_byte_corr(&ptr_read_next, bit_pos, read_word,
it_bit_buff->ptr_bit_buf_end);
ixheaacd_aac_read_byte_corr(&ptr_read_next, bit_pos, read_word,
it_bit_buff->ptr_bit_buf_end);
i = off + ((WORD32)1 << i);
if (out2 < 0)
*spec_coef++ = -i;
else
*spec_coef++ = i;
spec_index++;
} else {
*spec_coef++ = out2;
spec_index++;
}
arr_seg_start_l++;
p_remaining_bits_in_seg++;
no_bands--;
} while (no_bands != 0);
it_bit_buff->ptr_read_next = ptr_read_next;
ptr_hcr_info->str_dec_io.quant_spec_coeff_idx = spec_index;
return arr_seg_start_l;
}
static VOID ixheaacd_decode_pcw(ia_bit_buf_struct *itt_bit_buff,
ia_hcr_info_struct *ptr_hcr_info,
ia_aac_dec_tables_struct *ptr_aac_tables) {
UWORD16 ext_sort_sec;
UWORD16 cur_ext_sort_cw_sec;
UWORD8 codebook;
UWORD8 dimension;
WORD32 increment;
WORD32 num_ext_sorted_cw_in_sect_idx =
ptr_hcr_info->sect_info.num_ext_sorted_cw_in_sect_idx;
UWORD8 *ptr_ext_sorted_cw = ptr_hcr_info->sect_info.ptr_ext_sorted_cw;
WORD32 ext_sorted_cw_idx = ptr_hcr_info->sect_info.ext_sorted_cw_idx;
UWORD16 *ptr_num_ext_sorted_sect_in_sets =
ptr_hcr_info->sect_info.ptr_num_ext_sorted_sect_in_sets;
WORD32 num_ext_sorted_sect_in_sets_idx =
ptr_hcr_info->sect_info.num_ext_sorted_sect_in_sets_idx;
WORD32 *ptr_quant_spec_coeff =
ptr_hcr_info->str_dec_io.ptr_quant_spec_coeff_base;
UWORD16 *arr_seg_start_l = ptr_hcr_info->str_segment_info.arr_seg_start_l;
WORD8 *p_remaining_bits_in_seg =
ptr_hcr_info->str_segment_info.p_remaining_bits_in_seg;
UWORD8 *ptr_ext_sorted_sect_max_cb_len =
ptr_hcr_info->sect_info.ptr_ext_sorted_sect_max_cb_len;
WORD32 ext_sorted_sect_max_cb_len_idx =
ptr_hcr_info->sect_info.ext_sorted_sect_max_cb_len_idx;
UWORD8 max_allowed_cw_len;
WORD32 num_decoded_bits;
const UWORD8 *ptr_cb_dimension_tbl =
ptr_hcr_info->table_info.ptr_cb_dimension_tbl;
WORD32 read_word = ixheaacd_aac_showbits_32(
itt_bit_buff->ptr_read_next, itt_bit_buff->cnt_bits, &increment);
WORD32 read_bits = itt_bit_buff->cnt_bits;
itt_bit_buff->ptr_read_next += increment;
for (ext_sort_sec =
ptr_num_ext_sorted_sect_in_sets[num_ext_sorted_sect_in_sets_idx];
ext_sort_sec != 0; ext_sort_sec--) {
codebook = ptr_ext_sorted_cw[ext_sorted_cw_idx];
if (codebook <= 0) return;
ext_sorted_cw_idx++;
if (ext_sorted_cw_idx >= (MAX_SFB_HCR + MAX_HCR_SETS)) {
return;
}
dimension = ptr_cb_dimension_tbl[codebook];
max_allowed_cw_len =
ptr_ext_sorted_sect_max_cb_len[ext_sorted_sect_max_cb_len_idx];
ext_sorted_sect_max_cb_len_idx++;
if (ext_sorted_sect_max_cb_len_idx >= (MAX_SFB_HCR + MAX_HCR_SETS)) {
return;
}
if (codebook <= 4) {
WORD32 tbl_sign = 0;
const UWORD16 *cb_table = (UWORD16 *)(ptr_aac_tables->code_book[codebook]);
const UWORD32 *idx_table = (UWORD32 *)(ptr_aac_tables->index_table[codebook]);
if (codebook > 2) {
tbl_sign = 1;
}
{
num_decoded_bits = 0;
cur_ext_sort_cw_sec =
ptr_hcr_info->sect_info
.ptr_num_ext_sorted_cw_in_sect[num_ext_sorted_cw_in_sect_idx];
arr_seg_start_l = ixheaacd_huff_dec_quad_hcr_pcw(
ptr_hcr_info, itt_bit_buff, cur_ext_sort_cw_sec, cb_table, tbl_sign,
idx_table, &read_word, &read_bits, arr_seg_start_l,
p_remaining_bits_in_seg, &num_decoded_bits);
p_remaining_bits_in_seg += cur_ext_sort_cw_sec;
if (cur_ext_sort_cw_sec * max_allowed_cw_len < num_decoded_bits) {
ptr_hcr_info->str_dec_io.err_log |= (ERROR_POS << 19);
}
if (1 ==
ixheaacd_err_detect_pcw_segment(
*p_remaining_bits_in_seg, ptr_hcr_info, PCW,
ptr_quant_spec_coeff +
ptr_hcr_info->str_dec_io.quant_spec_coeff_idx - dimension,
dimension)) {
return;
}
}
} else if (codebook < 11) {
{
WORD32 tbl_sign = 0;
WORD32 huff_mode = 9;
const UWORD16 *cb_table = (UWORD16 *)(ptr_aac_tables->code_book[codebook]);
const UWORD32 *idx_table = (UWORD32 *)(ptr_aac_tables->index_table[codebook]);
num_decoded_bits = 0;
if (codebook > 6) {
if (codebook > 8)
huff_mode = 13;
else
huff_mode = 8;
tbl_sign = 1;
}
cur_ext_sort_cw_sec =
ptr_hcr_info->sect_info
.ptr_num_ext_sorted_cw_in_sect[num_ext_sorted_cw_in_sect_idx];
arr_seg_start_l = ixheaacd_huff_dec_pair_hcr_pcw(
ptr_hcr_info, itt_bit_buff, cur_ext_sort_cw_sec, cb_table,
&read_word, tbl_sign, idx_table, arr_seg_start_l, &read_bits,
huff_mode, p_remaining_bits_in_seg, &num_decoded_bits);
p_remaining_bits_in_seg += cur_ext_sort_cw_sec;
if (cur_ext_sort_cw_sec * max_allowed_cw_len < num_decoded_bits) {
ptr_hcr_info->str_dec_io.err_log |= (ERROR_POS << 18);
}
if (1 ==
ixheaacd_err_detect_pcw_segment(
*p_remaining_bits_in_seg, ptr_hcr_info, PCW_SIGN,
ptr_quant_spec_coeff +
ptr_hcr_info->str_dec_io.quant_spec_coeff_idx - dimension,
dimension)) {
return;
}
}
} else if ((codebook >= 11)) {
const UWORD32 *idx_table =
ptr_aac_tables->pstr_huffmann_tables->idx_table_hf11;
const UWORD16 *cb_table =
ptr_aac_tables->pstr_huffmann_tables->input_table_cb11;
num_decoded_bits = 0;
cur_ext_sort_cw_sec =
ptr_hcr_info->sect_info
.ptr_num_ext_sorted_cw_in_sect[num_ext_sorted_cw_in_sect_idx];
arr_seg_start_l = ixheaacd_huff_dec_word_hcr_pcw(
ptr_hcr_info, itt_bit_buff, cur_ext_sort_cw_sec, cb_table, &read_word,
idx_table, arr_seg_start_l, &read_bits, p_remaining_bits_in_seg,
&num_decoded_bits);
p_remaining_bits_in_seg += cur_ext_sort_cw_sec;
if (cur_ext_sort_cw_sec * max_allowed_cw_len < num_decoded_bits) {
ptr_hcr_info->str_dec_io.err_log |= (ERROR_POS << 17);
}
if (1 == ixheaacd_err_detect_pcw_segment(
*p_remaining_bits_in_seg, ptr_hcr_info, PCW_ESC_SIGN,
ptr_quant_spec_coeff +
ptr_hcr_info->str_dec_io.quant_spec_coeff_idx - 2,
2)) {
return;
}
}
num_ext_sorted_cw_in_sect_idx++;
if (num_ext_sorted_cw_in_sect_idx >= MAX_SFB_HCR + MAX_HCR_SETS) {
return;
}
}
num_ext_sorted_sect_in_sets_idx++;
if (num_ext_sorted_sect_in_sets_idx >= MAX_HCR_SETS) {
return;
}
itt_bit_buff->cnt_bits = read_bits;
ptr_hcr_info->sect_info.num_ext_sorted_cw_in_sect_idx =
num_ext_sorted_cw_in_sect_idx;
ptr_hcr_info->sect_info.ext_sorted_cw_idx = ext_sorted_cw_idx;
ptr_hcr_info->sect_info.num_ext_sorted_sect_in_sets_idx =
num_ext_sorted_sect_in_sets_idx;
ptr_hcr_info->sect_info.ext_sorted_sect_max_cb_len_idx =
ext_sorted_sect_max_cb_len_idx;
}
static UWORD32 ixheaacd_init_segment_bit_field(WORD32 num_segment,
WORD8 *p_remaining_bits_in_seg) {
WORD16 i;
WORD16 num_valid_segment = 0;
for (i = 0; i < num_segment; i++) {
if (p_remaining_bits_in_seg[i] != 0) {
num_valid_segment += 1;
}
}
return num_valid_segment;
}
UWORD8 ixheaacd_toggle_read_dir(UWORD8 read_direction) {
if (read_direction == FROM_LEFT_TO_RIGHT) {
return FROM_RIGHT_TO_LEFT;
} else {
return FROM_LEFT_TO_RIGHT;
}
}
static PLATFORM_INLINE UWORD16 ixheaacd_huff_dec_quad_hcr_non_pcw(
ia_bit_buf_struct *itt_bit_buff, WORD32 *spec_coef,
const UWORD16 *code_book_tbl, WORD32 tbl_sign, const UWORD32 *idx_table) {
WORD16 index, length;
WORD16 cw_len;
WORD32 read_word;
read_word = ixheaacd_aac_showbits_32(itt_bit_buff->byte_ptr,
itt_bit_buff->bit_count, NULL);
ixheaacd_huffman_decode(read_word, &index, &length, code_book_tbl, idx_table);
cw_len = length;
if (tbl_sign) {
WORD32 temp_word;
WORD32 w, x, y, z;
temp_word = read_word << length;
w = index / 27;
index = index - w * 27;
x = index / 9;
index = index - x * 9;
y = index / 3;
z = index - y * 3;
if (w) {
if (temp_word & 0x80000000) w = -w;
temp_word <<= 1;
cw_len++;
}
*spec_coef++ = w;
if (x) {
if (temp_word & 0x80000000) x = -x;
temp_word <<= 1;
cw_len++;
}
*spec_coef++ = x;
if (y) {
if (temp_word & 0x80000000) y = -y;
temp_word <<= 1;
cw_len++;
}
*spec_coef++ = y;
if (z) {
if (temp_word & 0x80000000) z = -z;
temp_word <<= 1;
cw_len++;
}
*spec_coef++ = z;
}
else {
WORD32 w, x, y, z;
w = index / 27 - 1;
index = index - (w + 1) * 27;
x = index / 9 - 1;
index = index - (x + 1) * 9;
y = index / 3 - 1;
z = index - ((y + 1) * 3) - 1;
*spec_coef++ = w;
*spec_coef++ = x;
*spec_coef++ = y;
*spec_coef++ = z;
}
return cw_len;
}
static PLATFORM_INLINE UWORD16 ixheaacd_huff_dec_word_hcr_non_pcw(
ia_bit_buf_struct *itt_bit_buff, WORD32 *spec_coef,
const UWORD16 *code_book_tbl, const UWORD32 *idx_table) {
WORD32 sp1, sp2;
WORD32 flush_cw;
WORD32 i, value, norm_val, off;
WORD32 out1, out2;
UWORD16 cw_len;
WORD16 index;
WORD32 length;
WORD32 read_word;
WORD32 increment;
read_word = ixheaacd_aac_showbits_32(itt_bit_buff->byte_ptr,
itt_bit_buff->bit_count, &increment);
UWORD8 *ptr_read_next = itt_bit_buff->byte_ptr;
ptr_read_next += increment;
ixheaacd_huff_sfb_table(read_word, &index, &length, code_book_tbl, idx_table);
cw_len = length;
ixheaacd_aac_read_byte_corr1(&ptr_read_next, &length, &read_word, NULL);
out1 = index / 17;
out2 = index - out1 * 17;
flush_cw = read_word << length;
sp1 = out1;
sp2 = out2;
if (out1) {
if (flush_cw & 0x80000000) {
out1 = -out1;
}
flush_cw = (WORD32)flush_cw << 1;
length++;
cw_len++;
}
if (out2) {
if (flush_cw & 0x80000000) {
out2 = -out2;
}
length++;
cw_len++;
}
ixheaacd_aac_read_byte_corr1(&ptr_read_next, &length, &read_word, NULL);
if (sp1 == 16) {
i = 4;
value = ixheaacd_extu(read_word, length, 23);
value = value | 0xfffffe00;
norm_val = ixheaacd_norm32(value);
i += (norm_val - 22);
length += (norm_val - 21);
cw_len += (norm_val - 21);
ixheaacd_aac_read_byte_corr1(&ptr_read_next, &length, &read_word, NULL);
off = ixheaacd_extu(read_word, length, 32 - i);
length += i;
cw_len += i;
ixheaacd_aac_read_byte_corr1(&ptr_read_next, &length, &read_word, NULL);
i = off + ((WORD32)1 << i);
if (out1 < 0)
*spec_coef++ = -i;
else
*spec_coef++ = i;
} else {
*spec_coef++ = out1;
}
if (sp2 == 16) {
i = 4;
value = ixheaacd_extu(read_word, length, 23);
value = value | 0xfffffe00;
norm_val = ixheaacd_norm32(value);
i += (norm_val - 22);
length += (norm_val - 21);
cw_len += (norm_val - 21);
ixheaacd_aac_read_byte_corr1(&ptr_read_next, &length, &read_word, NULL);
off = ixheaacd_extu(read_word, length, 32 - i);
length += i;
cw_len += i;
ixheaacd_aac_read_byte_corr1(&ptr_read_next, &length, &read_word, NULL);
i = off + ((WORD32)1 << i);
if (out2 < 0)
*spec_coef++ = -i;
else
*spec_coef++ = i;
} else {
*spec_coef++ = out2;
}
return cw_len;
}
static VOID ixheaacd_decode_hcr_non_pcw(
ia_bit_buf_struct *itt_bit_buff, ia_hcr_info_struct *ptr_hcr_info,
ia_aac_dec_tables_struct *ptr_aac_tables, WORD32 *cw_offset, WORD32 trial,
WORD32 start) {
WORD16 codeword_len = 0;
WORD8 seg_bits_left;
UWORD8 tot_bits_to_save, code_bits_to_save, extra_code_bits;
WORD32 segment_offset = 0;
WORD8 *p_remaining_bits_in_seg =
ptr_hcr_info->str_segment_info.p_remaining_bits_in_seg;
WORD32 num_segment = ptr_hcr_info->str_segment_info.num_segment;
for (segment_offset = start; segment_offset < trial;
segment_offset++, *cw_offset += 1) {
if (p_remaining_bits_in_seg[segment_offset] &&
!ptr_hcr_info->str_segment_info.is_decoded[*cw_offset]) {
{
UWORD32 i_qsc;
WORD8 current_seg_bits = p_remaining_bits_in_seg[segment_offset];
itt_bit_buff->byte_ptr = itt_bit_buff->ptr_start;
itt_bit_buff->valid_bits = 0;
itt_bit_buff->byte = 0;
itt_bit_buff->bit_count = 0;
itt_bit_buff->write_bit_count = 0;
if (ptr_hcr_info->str_segment_info.p_num_bits[*cw_offset]) {
extra_code_bits = max(
ptr_hcr_info->str_segment_info.p_num_bits[*cw_offset] - 32, 0);
code_bits_to_save =
min(ptr_hcr_info->str_segment_info.p_num_bits[*cw_offset], 32);
ixheaacd_write_bit(
itt_bit_buff,
ptr_hcr_info->str_segment_info.code_extra[*cw_offset],
extra_code_bits);
ixheaacd_write_bit(itt_bit_buff,
ptr_hcr_info->str_segment_info.code[*cw_offset],
code_bits_to_save);
}
{
UWORD32 bit;
WORD32 read_bit_offset;
if (ptr_hcr_info->str_segment_info.read_direction ==
FROM_LEFT_TO_RIGHT) {
read_bit_offset =
ptr_hcr_info->str_segment_info.arr_seg_start_l[segment_offset] -
(itt_bit_buff->size - itt_bit_buff->cnt_bits);
if (read_bit_offset) {
itt_bit_buff->cnt_bits += -read_bit_offset;
}
itt_bit_buff->ptr_read_next =
itt_bit_buff->ptr_bit_buf_base +
((itt_bit_buff->size - itt_bit_buff->cnt_bits) >> 3);
itt_bit_buff->bit_pos =
((itt_bit_buff->size - itt_bit_buff->cnt_bits) & 7);
for (; p_remaining_bits_in_seg[segment_offset] > 0;
p_remaining_bits_in_seg[segment_offset] -= 1) {
bit = ixheaacd_aac_read_bit_rev(itt_bit_buff);
ptr_hcr_info->str_segment_info.arr_seg_start_l[segment_offset] +=
1;
ixheaacd_write_bit(itt_bit_buff, bit, 1);
}
} else {
read_bit_offset =
ptr_hcr_info->str_segment_info.arr_seg_start_r[segment_offset] -
(itt_bit_buff->size - itt_bit_buff->cnt_bits);
if (read_bit_offset) {
itt_bit_buff->cnt_bits += -read_bit_offset;
}
itt_bit_buff->ptr_read_next =
itt_bit_buff->ptr_bit_buf_base +
((itt_bit_buff->size - itt_bit_buff->cnt_bits) >> 3);
itt_bit_buff->bit_pos =
((itt_bit_buff->size - itt_bit_buff->cnt_bits) & 7);
for (; p_remaining_bits_in_seg[segment_offset] > 0;
p_remaining_bits_in_seg[segment_offset] -= 1) {
bit = ixheaacd_aac_read_bit(itt_bit_buff);
ptr_hcr_info->str_segment_info.arr_seg_start_r[segment_offset] -=
1;
ixheaacd_write_bit(itt_bit_buff, bit, 1);
}
}
}
ixheaacd_write_bit(itt_bit_buff, 0, 32 - itt_bit_buff->bit_count % 32);
itt_bit_buff->valid_bits = 8;
itt_bit_buff->byte_ptr = itt_bit_buff->ptr_start;
itt_bit_buff->byte = *itt_bit_buff->ptr_start;
if (current_seg_bits) {
i_qsc = ptr_hcr_info->str_non_pcw_side_info
.res_ptr_idx[*cw_offset % num_segment];
if (ptr_hcr_info->str_non_pcw_side_info
.ptr_cb[*cw_offset % num_segment] <= 4) {
WORD32 tbl_sign = 0;
const UWORD16 *cb_table =
(UWORD16
*)(ptr_aac_tables
->code_book[ptr_hcr_info->str_non_pcw_side_info
.ptr_cb[*cw_offset % num_segment]]);
const UWORD32 *idx_table =
(UWORD32 *)(ptr_aac_tables->index_table
[ptr_hcr_info->str_non_pcw_side_info
.ptr_cb[*cw_offset % num_segment]]);
if (ptr_hcr_info->str_non_pcw_side_info
.ptr_cb[*cw_offset % num_segment] > 2) {
tbl_sign = 1;
}
codeword_len = ixheaacd_huff_dec_quad_hcr_non_pcw(
itt_bit_buff,
&ptr_hcr_info->str_non_pcw_side_info.ptr_result_base[i_qsc],
cb_table, tbl_sign, idx_table);
seg_bits_left =
current_seg_bits - codeword_len +
ptr_hcr_info->str_segment_info.p_num_bits[*cw_offset];
}
else if (ptr_hcr_info->str_non_pcw_side_info
.ptr_cb[*cw_offset % num_segment] < 11) {
WORD32 tbl_sign = 0;
WORD32 huff_mode = 9;
const UWORD16 *cb_table =
(UWORD16
*)(ptr_aac_tables
->code_book[ptr_hcr_info->str_non_pcw_side_info
.ptr_cb[*cw_offset % num_segment]]);
const UWORD32 *idx_table =
(UWORD32 *)(ptr_aac_tables->index_table
[ptr_hcr_info->str_non_pcw_side_info
.ptr_cb[*cw_offset % num_segment]]);
if (ptr_hcr_info->str_non_pcw_side_info
.ptr_cb[*cw_offset % num_segment] > 6) {
if (ptr_hcr_info->str_non_pcw_side_info
.ptr_cb[*cw_offset % num_segment] > 8)
huff_mode = 13;
else
huff_mode = 8;
tbl_sign = 1;
}
codeword_len = ixheaacd_huff_dec_pair_hcr_non_pcw(
itt_bit_buff,
&ptr_hcr_info->str_non_pcw_side_info.ptr_result_base[i_qsc],
cb_table, tbl_sign, idx_table, huff_mode);
seg_bits_left =
current_seg_bits - codeword_len +
ptr_hcr_info->str_segment_info.p_num_bits[*cw_offset];
}
if (ptr_hcr_info->str_non_pcw_side_info
.ptr_cb[*cw_offset % num_segment] >= 11) {
const UWORD32 *idx_table =
ptr_aac_tables->pstr_huffmann_tables->idx_table_hf11;
const UWORD16 *cb_table =
ptr_aac_tables->pstr_huffmann_tables->input_table_cb11;
codeword_len = ixheaacd_huff_dec_word_hcr_non_pcw(
itt_bit_buff,
&ptr_hcr_info->str_non_pcw_side_info.ptr_result_base[i_qsc],
cb_table, idx_table);
seg_bits_left =
current_seg_bits - codeword_len +
ptr_hcr_info->str_segment_info.p_num_bits[*cw_offset];
}
if (seg_bits_left < 0) {
tot_bits_to_save =
current_seg_bits +
ptr_hcr_info->str_segment_info.p_num_bits[*cw_offset];
extra_code_bits = max(tot_bits_to_save - 32, 0);
code_bits_to_save = min(tot_bits_to_save, 32);
ptr_hcr_info->str_segment_info.code_extra[*cw_offset] =
ixheaacd_read_bit(itt_bit_buff, extra_code_bits);
ptr_hcr_info->str_segment_info.code[*cw_offset] =
ixheaacd_read_bit(itt_bit_buff, code_bits_to_save);
ptr_hcr_info->str_segment_info.p_num_bits[*cw_offset] =
tot_bits_to_save;
p_remaining_bits_in_seg[segment_offset] = 0;
if (p_remaining_bits_in_seg[segment_offset] < 0)
p_remaining_bits_in_seg[segment_offset] = 0;
} else {
p_remaining_bits_in_seg[segment_offset] =
current_seg_bits -
(codeword_len -
ptr_hcr_info->str_segment_info.p_num_bits[*cw_offset]);
ptr_hcr_info->str_segment_info.p_num_bits[*cw_offset] = 0;
ptr_hcr_info->str_segment_info.is_decoded[*cw_offset] = 1;
if (p_remaining_bits_in_seg[segment_offset] < 0)
p_remaining_bits_in_seg[segment_offset] = 0;
}
if (p_remaining_bits_in_seg[segment_offset] > 0) {
if (ptr_hcr_info->str_segment_info.read_direction ==
FROM_LEFT_TO_RIGHT)
ptr_hcr_info->str_segment_info.arr_seg_start_l[segment_offset] -=
(p_remaining_bits_in_seg[segment_offset]);
else
ptr_hcr_info->str_segment_info.arr_seg_start_r[segment_offset] +=
(p_remaining_bits_in_seg[segment_offset]);
}
}
}
}
}
}
VOID ixheaacd_decode_non_pcw(ia_bit_buf_struct *itt_bit_buff,
ia_hcr_info_struct *ptr_hcr_info,
ia_aac_dec_tables_struct *ptr_aac_tables) {
UWORD32 num_valid_segment;
WORD32 cw_offset;
WORD32 trial;
WORD32 num_segment;
WORD32 num_code_word;
UWORD8 num_set;
UWORD8 current_set;
WORD32 code_word_set;
WORD32 loop1, loop2;
num_segment = ptr_hcr_info->str_segment_info.num_segment;
num_valid_segment = ixheaacd_init_segment_bit_field(
num_segment, ptr_hcr_info->str_segment_info.p_remaining_bits_in_seg);
if (num_valid_segment != 0) {
num_code_word = ptr_hcr_info->sect_info.num_code_word;
num_set = ((num_code_word - 1) / num_segment) + 1;
ptr_hcr_info->str_segment_info.read_direction = FROM_RIGHT_TO_LEFT;
for (current_set = 1; current_set < num_set; current_set++) {
num_code_word -= num_segment;
if (num_code_word < num_segment) {
code_word_set = num_code_word;
} else {
code_word_set = num_segment;
}
ixheaacd_nonpcw_sideinfo_init(ptr_hcr_info);
cw_offset = num_segment * current_set;
ixheaacd_decode_hcr_non_pcw(itt_bit_buff, ptr_hcr_info, ptr_aac_tables,
&cw_offset, code_word_set, 0);
for (trial = 1; trial < num_segment; trial++) {
cw_offset = num_segment * current_set;
loop1 = min(num_segment, trial + code_word_set);
loop2 = max(0, trial + code_word_set - num_segment);
ixheaacd_decode_hcr_non_pcw(itt_bit_buff, ptr_hcr_info, ptr_aac_tables,
&cw_offset, loop1, trial);
ixheaacd_decode_hcr_non_pcw(itt_bit_buff, ptr_hcr_info, ptr_aac_tables,
&cw_offset, loop2, 0);
}
ptr_hcr_info->str_segment_info.read_direction = ixheaacd_toggle_read_dir(
ptr_hcr_info->str_segment_info.read_direction);
}
}
}
static VOID ixheaacd_hcr_reorder_quantized_spec_coeff(
ia_hcr_info_struct *ptr_hcr_info,
ia_aac_dec_channel_info_struct *ptr_aac_dec_channel_info) {
WORD32 qsc;
UWORD32 abs_qsc;
UWORD32 i, j;
UWORD16 num_spec_val_sect;
WORD32 *ptr_teva;
UWORD16 lav_err_cnt = 0;
UWORD32 num_sect = ptr_hcr_info->str_dec_io.num_sect;
WORD32 *ptr_quant_spec_coeff_base =
ptr_hcr_info->str_dec_io.ptr_quant_spec_coeff_base;
WORD32 *ptr_quant_spec_coeff =
ptr_hcr_info->str_dec_io.ptr_quant_spec_coeff_base;
const UWORD8 *ptr_cb_dim_shift_tbl =
ptr_hcr_info->table_info.ptr_cb_dim_shift_tbl;
const UWORD16 *ptr_lav_tbl = ptr_hcr_info->table_info.ptr_lav_tbl;
UWORD8 *ptr_sorted_cb = ptr_hcr_info->sect_info.ptr_sorted_cb;
UWORD16 *ptr_num_sorted_cw_in_sect =
ptr_hcr_info->sect_info.ptr_num_sorted_cw_in_sect;
UWORD16 *ptr_reorder_offset = ptr_hcr_info->sect_info.ptr_reorder_offset;
WORD32 *arr_temp_values = ptr_hcr_info->str_segment_info.arr_temp_values;
WORD32 *ptr_bak = ptr_hcr_info->str_segment_info.arr_temp_values;
for (i = num_sect; i != 0; i--) {
num_spec_val_sect = *ptr_num_sorted_cw_in_sect++
<< ptr_cb_dim_shift_tbl[*ptr_sorted_cb];
ptr_teva = &arr_temp_values[*ptr_reorder_offset++];
for (j = num_spec_val_sect; j != 0; j--) {
qsc = *ptr_quant_spec_coeff++;
abs_qsc = ixheaacd_abs32(qsc);
if (abs_qsc <= ptr_lav_tbl[*ptr_sorted_cb]) {
*ptr_teva++ = (WORD32)qsc;
} else {
if (abs_qsc == 8192) {
*ptr_teva++ = (WORD32)qsc;
} else {
*ptr_teva++ = (WORD32)8192;
lav_err_cnt += 1;
}
}
}
ptr_sorted_cb++;
}
if (ptr_aac_dec_channel_info->str_ics_info.window_sequence ==
EIGHT_SHORT_SEQUENCE) {
WORD32 *ptr_out;
WORD8 window;
ptr_bak = ptr_hcr_info->str_segment_info.arr_temp_values;
for (window = 0; window < 8; window++) {
ptr_out = ptr_quant_spec_coeff_base +
(window * ptr_aac_dec_channel_info->granule_len);
for (i = 0; i < (LINES_PER_UNIT_GROUP); i++) {
ptr_teva = ptr_bak + (window << 2) + i * 32;
for (j = (LINES_PER_UNIT); j != 0; j--) {
*ptr_out++ = *ptr_teva++;
}
}
}
} else {
ptr_quant_spec_coeff = ptr_quant_spec_coeff_base;
for (i = 1024; i != 0; i--) {
*ptr_quant_spec_coeff++ = *ptr_bak++;
}
}
if (lav_err_cnt != 0) {
ptr_hcr_info->str_dec_io.err_log |= (ERROR_POS << 1);
}
}
static VOID ixheaacd_err_detect_segmentation_final(
ia_hcr_info_struct *ptr_hcr_info) {
UWORD8 segmentation_err_flag = 0;
UWORD16 i;
WORD8 *p_remaining_bits_in_seg =
ptr_hcr_info->str_segment_info.p_remaining_bits_in_seg;
UWORD32 num_segment = ptr_hcr_info->str_segment_info.num_segment;
for (i = num_segment; i != 0; i--) {
if (*p_remaining_bits_in_seg++ != 0) {
segmentation_err_flag = 1;
}
}
if (segmentation_err_flag == 1) {
ptr_hcr_info->str_dec_io.err_log |= ERROR_POS;
}
}
UWORD32 ixheaacd_hcr_decoder(
ia_hcr_info_struct *ptr_hcr_info,
ia_aac_dec_channel_info_struct *ptr_aac_dec_channel_info,
ia_aac_dec_tables_struct *ptr_aac_tables, ia_bit_buf_struct *itt_bit_buff) {
WORD32 ptr_tmp1, ptr_tmp2, ptr_tmp3, ptr_tmp4;
WORD32 ptr_tmp5;
WORD32 bit_cnt_offset;
UWORD32 save_bit_cnt = itt_bit_buff->cnt_bits;
ixheaacd_huff_calc_num_cwd(ptr_hcr_info);
ixheaacd_huff_sort_sect_cb_cwd(ptr_hcr_info);
if (ixheaacd_hcr_prepare_segmentation_grid(ptr_hcr_info) != 0)
return (ptr_hcr_info->str_dec_io.err_log);
ixheaacd_huff_ext_sect_info(ptr_hcr_info);
if ((ptr_hcr_info->str_dec_io.err_log & HCR_FATAL_PCW_ERROR_MASK) != 0) {
return (ptr_hcr_info->str_dec_io.err_log);
}
ixheaacd_calc_num_ext_sorted_sect_sets(
ptr_hcr_info->str_segment_info.num_segment,
ptr_hcr_info->sect_info.ptr_num_ext_sorted_cw_in_sect,
ptr_hcr_info->sect_info.num_ext_sorted_cw_in_sect_idx,
ptr_hcr_info->sect_info.ptr_num_ext_sorted_sect_in_sets,
ptr_hcr_info->sect_info.num_ext_sorted_sect_in_sets_idx);
ptr_tmp1 = ptr_hcr_info->sect_info.num_ext_sorted_cw_in_sect_idx;
ptr_tmp2 = ptr_hcr_info->sect_info.ext_sorted_cw_idx;
ptr_tmp3 = ptr_hcr_info->sect_info.num_ext_sorted_sect_in_sets_idx;
ptr_tmp4 = ptr_hcr_info->str_dec_io.quant_spec_coeff_idx;
ptr_tmp5 = ptr_hcr_info->sect_info.ext_sorted_sect_max_cb_len_idx;
ixheaacd_decode_pcw(itt_bit_buff, ptr_hcr_info, ptr_aac_tables);
if ((ptr_hcr_info->str_dec_io.err_log & HCR_FATAL_PCW_ERROR_MASK) == 0) {
ixheaacd_decode_non_pcw(itt_bit_buff, ptr_hcr_info, ptr_aac_tables);
}
ixheaacd_err_detect_segmentation_final(ptr_hcr_info);
ptr_hcr_info->sect_info.num_ext_sorted_cw_in_sect_idx = ptr_tmp1;
ptr_hcr_info->sect_info.ext_sorted_cw_idx = ptr_tmp2;
ptr_hcr_info->sect_info.num_ext_sorted_sect_in_sets_idx = ptr_tmp3;
ptr_hcr_info->str_dec_io.quant_spec_coeff_idx = ptr_tmp4;
ptr_hcr_info->sect_info.ext_sorted_sect_max_cb_len_idx = ptr_tmp5;
ixheaacd_hcr_reorder_quantized_spec_coeff(ptr_hcr_info,
ptr_aac_dec_channel_info);
bit_cnt_offset = (WORD32)itt_bit_buff->cnt_bits - (WORD32)save_bit_cnt;
if (bit_cnt_offset) {
itt_bit_buff->cnt_bits += -bit_cnt_offset;
itt_bit_buff->ptr_read_next =
itt_bit_buff->ptr_bit_buf_base +
((itt_bit_buff->size - itt_bit_buff->cnt_bits) >> 3);
itt_bit_buff->bit_pos = (itt_bit_buff->size - itt_bit_buff->cnt_bits) & 7;
}
return (ptr_hcr_info->str_dec_io.err_log);
}
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