/****************************************************************************** * * * 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 #include "ixheaacd_sbr_common.h" #include #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); }