| /****************************************************************************** |
| * * |
| * 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 "ixheaac_type_def.h" |
| |
| #include "ixheaacd_sbr_common.h" |
| |
| #include "ixheaac_constants.h" |
| #include "ixheaac_basic_ops32.h" |
| #include "ixheaac_basic_ops16.h" |
| #include "ixheaac_basic_ops40.h" |
| #include "ixheaac_basic_ops.h" |
| #include "ixheaacd_bitbuffer.h" |
| |
| #include "ixheaac_basic_op.h" |
| #include "ixheaacd_intrinsics.h" |
| |
| #include "ixheaacd_defines.h" |
| |
| #include "ixheaacd_aac_rom.h" |
| |
| #include "ixheaacd_definitions.h" |
| |
| #include "ixheaacd_error_codes.h" |
| |
| #include "ixheaacd_pulsedata.h" |
| |
| #include "ixheaacd_pns.h" |
| #include "ixheaacd_drc_data_struct.h" |
| |
| #include "ixheaacd_lt_predict.h" |
| #include "ixheaacd_cnst.h" |
| #include "ixheaacd_ec_defines.h" |
| #include "ixheaacd_ec_struct_def.h" |
| |
| #include "ixheaacd_channelinfo.h" |
| #include "ixheaacd_drc_dec.h" |
| |
| #include "ixheaacd_sbrdecoder.h" |
| #include "ixheaacd_block.h" |
| #include "ixheaacd_channel.h" |
| |
| #include "ixheaacd_sbr_payload.h" |
| #include "ixheaacd_common_rom.h" |
| #include "ixheaacd_sbrdecsettings.h" |
| #include "ixheaacd_sbr_scale.h" |
| #include "ixheaacd_env_extr_part.h" |
| #include "ixheaacd_sbr_rom.h" |
| |
| #include "ixheaacd_lpp_tran.h" |
| #include "ixheaacd_hybrid.h" |
| #include "ixheaacd_ps_dec.h" |
| |
| #include "ixheaacd_env_extr.h" |
| #include "ixheaacd_adts.h" |
| #include "ixheaacd_audioobjtypes.h" |
| #include "ixheaacd_memory_standards.h" |
| |
| #include "ixheaacd_latmdemux.h" |
| |
| #include "ixheaacd_aacdec.h" |
| #include "ixheaacd_mps_polyphase.h" |
| #include "ixheaacd_config.h" |
| #include "ixheaacd_qmf_dec.h" |
| #include "ixheaacd_mps_macro_def.h" |
| #include "ixheaacd_mps_struct_def.h" |
| #include "ixheaacd_mps_res_rom.h" |
| #include "ixheaacd_mps_aac_struct.h" |
| #include "ixheaacd_mps_dec.h" |
| |
| #include "ixheaacd_struct_def.h" |
| |
| #include "ixheaacd_multichannel.h" |
| |
| #define ALIGN_SIZE64(x) ((((x) + 7) >> 3) << 3) |
| |
| WORD32 ixheaacd_set_aac_persistent_buffers(VOID *aac_persistent_mem_v, |
| WORD32 num_channel) { |
| WORD32 persistent_used; |
| |
| struct ia_aac_persistent_struct *aac_persistent_mem = |
| (struct ia_aac_persistent_struct *)aac_persistent_mem_v; |
| |
| persistent_used = sizeof(struct ia_aac_persistent_struct); |
| |
| memset(aac_persistent_mem, 0, sizeof(struct ia_aac_persistent_struct)); |
| aac_persistent_mem->overlap_buffer = |
| (WORD32 *)((WORD8 *)aac_persistent_mem_v + persistent_used); |
| |
| memset((WORD32 *)((WORD8 *)aac_persistent_mem_v + persistent_used), 0, |
| 4 * 512 * num_channel * sizeof(WORD32)); |
| |
| persistent_used += 4 * 512 * num_channel * sizeof(WORD32); |
| |
| aac_persistent_mem->sbr_payload_buffer = |
| (WORD8 *)((WORD8 *)aac_persistent_mem_v + persistent_used); |
| |
| memset((WORD16 *)((WORD8 *)aac_persistent_mem_v + persistent_used), 0, |
| ALIGN_SIZE64(MAXSBRBYTES) * num_channel * sizeof(WORD8)); |
| |
| persistent_used += ALIGN_SIZE64(MAXSBRBYTES) * num_channel * sizeof(WORD8); |
| |
| aac_persistent_mem->prev_sbr_payload_buffer = |
| (WORD8 *)((WORD8 *)aac_persistent_mem_v + persistent_used); |
| |
| memset((WORD8 *)aac_persistent_mem->prev_sbr_payload_buffer, 0, |
| ALIGN_SIZE64(MAXSBRBYTES) * num_channel * |
| sizeof(*(aac_persistent_mem->prev_sbr_payload_buffer))); |
| |
| persistent_used += ALIGN_SIZE64(MAXSBRBYTES) * num_channel * |
| sizeof(*(aac_persistent_mem->prev_sbr_payload_buffer)); |
| |
| { |
| WORD32 i; |
| |
| for (i = 0; i < num_channel; i++) { |
| aac_persistent_mem->ltp_buf[i] = |
| (WORD16 *)((WORD8 *)aac_persistent_mem_v + persistent_used); |
| |
| memset((WORD16 *)((WORD8 *)aac_persistent_mem_v + persistent_used), 0, |
| ltp_buffer_size * sizeof(WORD16)); |
| |
| persistent_used += (ltp_buffer_size * sizeof(WORD16)); |
| |
| aac_persistent_mem->ptr_aac_dec_static_channel_info[i] = |
| (ia_aac_dec_channel_info *)((WORD8 *)aac_persistent_mem_v + |
| persistent_used); |
| persistent_used += sizeof(ia_aac_dec_channel_info); |
| |
| aac_persistent_mem->ptr_aac_dec_static_channel_info[i] |
| ->overlap_add_data.win_shape = 0; |
| aac_persistent_mem->ptr_aac_dec_static_channel_info[i] |
| ->overlap_add_data.win_seq = 0; |
| |
| aac_persistent_mem->ptr_aac_dec_static_channel_info[i] |
| ->overlap_add_data.ptr_overlap_buf = |
| &aac_persistent_mem->overlap_buffer[i * OVERLAP_BUFFER_SIZE]; |
| } |
| } |
| |
| return persistent_used; |
| } |
| |
| VOID ixheaacd_huff_tables_create(ia_aac_dec_tables_struct *ptr_aac_tables) { |
| ptr_aac_tables->code_book[0] = 0; |
| ptr_aac_tables->code_book[1] = |
| (UWORD16 *)ptr_aac_tables->pstr_huffmann_tables->input_table_cb1; |
| ptr_aac_tables->code_book[2] = |
| (UWORD16 *)ptr_aac_tables->pstr_huffmann_tables->input_table_cb2; |
| ptr_aac_tables->code_book[3] = |
| (UWORD16 *)ptr_aac_tables->pstr_huffmann_tables->input_table_cb3; |
| ptr_aac_tables->code_book[4] = |
| (UWORD16 *)ptr_aac_tables->pstr_huffmann_tables->input_table_cb4; |
| ptr_aac_tables->code_book[5] = |
| (UWORD16 *)ptr_aac_tables->pstr_huffmann_tables->input_table_cb5; |
| ptr_aac_tables->code_book[6] = |
| (UWORD16 *)ptr_aac_tables->pstr_huffmann_tables->input_table_cb6; |
| ptr_aac_tables->code_book[7] = |
| (UWORD16 *)ptr_aac_tables->pstr_huffmann_tables->input_table_cb7; |
| ptr_aac_tables->code_book[8] = |
| (UWORD16 *)ptr_aac_tables->pstr_huffmann_tables->input_table_cb8; |
| ptr_aac_tables->code_book[9] = |
| (UWORD16 *)ptr_aac_tables->pstr_huffmann_tables->input_table_cb9; |
| ptr_aac_tables->code_book[10] = |
| (UWORD16 *)ptr_aac_tables->pstr_huffmann_tables->input_table_cb10; |
| ptr_aac_tables->code_book[11] = |
| (UWORD16 *)ptr_aac_tables->pstr_huffmann_tables->input_table_cb10; |
| ptr_aac_tables->code_book[12] = |
| (UWORD16 *)ptr_aac_tables->pstr_huffmann_tables->input_table_cb10; |
| |
| ptr_aac_tables->index_table[1] = |
| (UWORD32 *)ptr_aac_tables->pstr_huffmann_tables->idx_table_hf1; |
| ptr_aac_tables->index_table[2] = |
| (UWORD32 *)ptr_aac_tables->pstr_huffmann_tables->idx_table_hf2; |
| ptr_aac_tables->index_table[3] = |
| (UWORD32 *)ptr_aac_tables->pstr_huffmann_tables->idx_table_hf3; |
| ptr_aac_tables->index_table[4] = |
| (UWORD32 *)ptr_aac_tables->pstr_huffmann_tables->idx_table_hf4; |
| ptr_aac_tables->index_table[5] = |
| (UWORD32 *)ptr_aac_tables->pstr_huffmann_tables->idx_table_hf5; |
| ptr_aac_tables->index_table[6] = |
| (UWORD32 *)ptr_aac_tables->pstr_huffmann_tables->idx_table_hf6; |
| ptr_aac_tables->index_table[7] = |
| (UWORD32 *)ptr_aac_tables->pstr_huffmann_tables->idx_table_hf7; |
| ptr_aac_tables->index_table[8] = |
| (UWORD32 *)ptr_aac_tables->pstr_huffmann_tables->idx_table_hf8; |
| ptr_aac_tables->index_table[9] = |
| (UWORD32 *)ptr_aac_tables->pstr_huffmann_tables->idx_table_hf9; |
| ptr_aac_tables->index_table[10] = |
| (UWORD32 *)ptr_aac_tables->pstr_huffmann_tables->idx_table_hf10; |
| ptr_aac_tables->index_table[11] = |
| (UWORD32 *)ptr_aac_tables->pstr_huffmann_tables->idx_table_hf10; |
| ptr_aac_tables->index_table[12] = |
| (UWORD32 *)ptr_aac_tables->pstr_huffmann_tables->idx_table_hf10; |
| |
| ptr_aac_tables->scale_factor_bands_short[0] = |
| ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_96_128; |
| ptr_aac_tables->scale_factor_bands_short[1] = |
| ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_96_128; |
| ptr_aac_tables->scale_factor_bands_short[2] = |
| ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_96_128; |
| ptr_aac_tables->scale_factor_bands_short[3] = |
| ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_48_128; |
| ptr_aac_tables->scale_factor_bands_short[4] = |
| ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_48_128; |
| ptr_aac_tables->scale_factor_bands_short[5] = |
| ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_48_128; |
| ptr_aac_tables->scale_factor_bands_short[6] = |
| ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_24_128; |
| ptr_aac_tables->scale_factor_bands_short[7] = |
| ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_24_128; |
| ptr_aac_tables->scale_factor_bands_short[8] = |
| ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_16_128; |
| ptr_aac_tables->scale_factor_bands_short[9] = |
| ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_16_128; |
| ptr_aac_tables->scale_factor_bands_short[10] = |
| ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_16_128; |
| ptr_aac_tables->scale_factor_bands_short[11] = |
| ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_8_128; |
| |
| ptr_aac_tables->scale_factor_bands_short[12] = |
| ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_96_120; |
| ptr_aac_tables->scale_factor_bands_short[13] = |
| ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_96_120; |
| ptr_aac_tables->scale_factor_bands_short[14] = |
| ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_96_120; |
| ptr_aac_tables->scale_factor_bands_short[15] = |
| ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_48_120; |
| ptr_aac_tables->scale_factor_bands_short[16] = |
| ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_48_120; |
| ptr_aac_tables->scale_factor_bands_short[17] = |
| ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_48_120; |
| ptr_aac_tables->scale_factor_bands_short[18] = |
| ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_24_120; |
| ptr_aac_tables->scale_factor_bands_short[19] = |
| ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_24_120; |
| ptr_aac_tables->scale_factor_bands_short[20] = |
| ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_16_120; |
| ptr_aac_tables->scale_factor_bands_short[21] = |
| ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_16_120; |
| ptr_aac_tables->scale_factor_bands_short[22] = |
| ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_16_120; |
| ptr_aac_tables->scale_factor_bands_short[23] = |
| ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_8_120; |
| |
| ptr_aac_tables->scale_factor_bands_long[0] = |
| ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_96_1024; |
| ptr_aac_tables->scale_factor_bands_long[1] = |
| ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_96_1024; |
| ptr_aac_tables->scale_factor_bands_long[2] = |
| ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_64_1024; |
| ptr_aac_tables->scale_factor_bands_long[3] = |
| ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_48_1024; |
| ptr_aac_tables->scale_factor_bands_long[4] = |
| ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_48_1024; |
| ptr_aac_tables->scale_factor_bands_long[5] = |
| ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_32_1024; |
| ptr_aac_tables->scale_factor_bands_long[6] = |
| ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_24_1024; |
| ptr_aac_tables->scale_factor_bands_long[7] = |
| ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_24_1024; |
| ptr_aac_tables->scale_factor_bands_long[8] = |
| ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_16_1024; |
| ptr_aac_tables->scale_factor_bands_long[9] = |
| ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_16_1024; |
| ptr_aac_tables->scale_factor_bands_long[10] = |
| ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_16_1024; |
| ptr_aac_tables->scale_factor_bands_long[11] = |
| ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_8_1024; |
| |
| ptr_aac_tables->scale_factor_bands_long[12] = |
| ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_96_960; |
| ptr_aac_tables->scale_factor_bands_long[13] = |
| ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_96_960; |
| ptr_aac_tables->scale_factor_bands_long[14] = |
| ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_64_960; |
| ptr_aac_tables->scale_factor_bands_long[15] = |
| ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_48_960; |
| ptr_aac_tables->scale_factor_bands_long[16] = |
| ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_48_960; |
| ptr_aac_tables->scale_factor_bands_long[17] = |
| ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_48_960; |
| ptr_aac_tables->scale_factor_bands_long[18] = |
| ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_24_960; |
| ptr_aac_tables->scale_factor_bands_long[19] = |
| ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_24_960; |
| ptr_aac_tables->scale_factor_bands_long[20] = |
| ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_16_960; |
| ptr_aac_tables->scale_factor_bands_long[21] = |
| ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_16_960; |
| ptr_aac_tables->scale_factor_bands_long[22] = |
| ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_16_960; |
| ptr_aac_tables->scale_factor_bands_long[23] = |
| ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_8_960; |
| |
| ptr_aac_tables->scale_fac_bands_512[0] = |
| ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_48_512; |
| ptr_aac_tables->scale_fac_bands_512[1] = |
| ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_48_512; |
| ptr_aac_tables->scale_fac_bands_512[2] = |
| ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_48_512; |
| ptr_aac_tables->scale_fac_bands_512[3] = |
| ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_48_512; |
| ptr_aac_tables->scale_fac_bands_512[4] = |
| ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_48_512; |
| ptr_aac_tables->scale_fac_bands_512[5] = |
| ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_32_512; |
| ptr_aac_tables->scale_fac_bands_512[6] = |
| ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_24_512; |
| ptr_aac_tables->scale_fac_bands_512[7] = |
| ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_24_512; |
| ptr_aac_tables->scale_fac_bands_512[8] = |
| ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_24_512; |
| ptr_aac_tables->scale_fac_bands_512[9] = |
| ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_24_512; |
| ptr_aac_tables->scale_fac_bands_512[10] = |
| ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_24_512; |
| ptr_aac_tables->scale_fac_bands_512[11] = |
| ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_24_512; |
| ptr_aac_tables->scale_fac_bands_512[12] = |
| ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_24_512; |
| ptr_aac_tables->scale_fac_bands_512[13] = |
| ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_24_512; |
| ptr_aac_tables->scale_fac_bands_512[14] = |
| ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_24_512; |
| ptr_aac_tables->scale_fac_bands_512[15] = |
| ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_24_512; |
| |
| ptr_aac_tables->scale_fac_bands_480[0] = |
| ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_48_480; |
| ptr_aac_tables->scale_fac_bands_480[1] = |
| ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_48_480; |
| ptr_aac_tables->scale_fac_bands_480[2] = |
| ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_48_480; |
| ptr_aac_tables->scale_fac_bands_480[3] = |
| ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_48_480; |
| ptr_aac_tables->scale_fac_bands_480[4] = |
| ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_48_480; |
| ptr_aac_tables->scale_fac_bands_480[5] = |
| ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_32_480; |
| ptr_aac_tables->scale_fac_bands_480[6] = |
| ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_24_480; |
| ptr_aac_tables->scale_fac_bands_480[7] = |
| ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_24_480; |
| ptr_aac_tables->scale_fac_bands_480[8] = |
| ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_24_480; |
| ptr_aac_tables->scale_fac_bands_480[9] = |
| ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_24_480; |
| ptr_aac_tables->scale_fac_bands_480[10] = |
| ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_24_480; |
| ptr_aac_tables->scale_fac_bands_480[11] = |
| ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_24_480; |
| ptr_aac_tables->scale_fac_bands_480[12] = |
| ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_24_480; |
| ptr_aac_tables->scale_fac_bands_480[13] = |
| ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_24_480; |
| ptr_aac_tables->scale_fac_bands_480[14] = |
| ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_24_480; |
| ptr_aac_tables->scale_fac_bands_480[15] = |
| ptr_aac_tables->pstr_huffmann_tables->ixheaacd_sfb_24_480; |
| } |
| |
| ia_aac_decoder_struct *ixheaacd_aac_decoder_init( |
| ia_aac_dec_state_struct *p_state_enhaacplus_dec, |
| ia_aac_dec_sbr_bitstream_struct *ptr_sbr_bitstream, WORD channels, |
| VOID *aac_persistent_mem_v, WORD32 frame_length) { |
| WORD i, ch; |
| struct ia_aac_persistent_struct *aac_persistent_mem; |
| aac_persistent_mem = (struct ia_aac_persistent_struct *)aac_persistent_mem_v; |
| |
| aac_persistent_mem->str_aac_decoder.pstr_sbr_bitstream = ptr_sbr_bitstream; |
| |
| for (ch = 0; ch < channels; ch++) { |
| ia_aac_decoder_struct *aac_dec_handle = |
| &aac_persistent_mem->str_aac_decoder; |
| aac_dec_handle->pstr_aac_dec_overlap_info[ch] = |
| &aac_persistent_mem->str_aac_dec_overlap_info[ch]; |
| aac_dec_handle->pstr_pns_rand_vec_data = |
| &aac_persistent_mem->str_pns_rand_vec_data; |
| |
| aac_dec_handle->pstr_aac_dec_overlap_info[ch]->window_shape = 0; |
| aac_dec_handle->pstr_aac_dec_overlap_info[ch]->window_sequence = 0; |
| if (p_state_enhaacplus_dec->audio_object_type == AOT_ER_AAC_ELD) |
| aac_dec_handle->pstr_aac_dec_overlap_info[ch]->ptr_overlap_buf = |
| &aac_persistent_mem->overlap_buffer[ch * 4 * OVERLAP_BUFFER_SIZE]; |
| else |
| aac_dec_handle->pstr_aac_dec_overlap_info[ch]->ptr_overlap_buf = |
| &aac_persistent_mem->overlap_buffer[ch * OVERLAP_BUFFER_SIZE]; |
| |
| { |
| WORD32 *ptr_overlap_buf = |
| aac_dec_handle->pstr_aac_dec_overlap_info[ch]->ptr_overlap_buf; |
| memset(ptr_overlap_buf, 0, sizeof(WORD32) * 4 * 512); |
| } |
| aac_persistent_mem->str_aac_decoder.ptr_aac_dec_static_channel_info[ch] = |
| aac_persistent_mem->ptr_aac_dec_static_channel_info[ch]; |
| aac_persistent_mem->str_aac_decoder.ptr_aac_dec_static_channel_info[ch] |
| ->ltp_buf = aac_persistent_mem->ltp_buf[ch]; |
| } |
| |
| for (i = 0; i < 1; i++) { |
| ia_aac_dec_sbr_bitstream_struct *ptr_sbr_bitstream = |
| &aac_persistent_mem->str_aac_decoder.pstr_sbr_bitstream[i]; |
| |
| ptr_sbr_bitstream->no_elements = 0; |
| ptr_sbr_bitstream->str_sbr_ele[0].ptr_sbr_data = |
| &aac_persistent_mem->sbr_payload_buffer[ALIGN_SIZE64(MAXSBRBYTES) * i]; |
| ptr_sbr_bitstream->str_sbr_ele[0].ptr_prev_sbr_data = |
| &aac_persistent_mem->prev_sbr_payload_buffer[ALIGN_SIZE64(MAXSBRBYTES) * i]; |
| ptr_sbr_bitstream->str_sbr_ele[0].sbr_ele_id = ID_SCE; |
| ptr_sbr_bitstream->str_sbr_ele[0].size_payload = 0; |
| ptr_sbr_bitstream->str_sbr_ele[0].prev_size_payload = 0; |
| ptr_sbr_bitstream->str_sbr_ele[0].prev_sbr_ele_id = ID_SCE; |
| ptr_sbr_bitstream->str_sbr_ele[0].size_payload_old = 0; |
| } |
| |
| { |
| ia_aac_dec_tables_struct *ptr_aac_tables = |
| aac_persistent_mem->str_aac_decoder.pstr_aac_tables; |
| ia_aac_dec_huffman_tables_struct *pstr_huffmann_tables = |
| ptr_aac_tables->pstr_huffmann_tables; |
| |
| WORD num_entries = sizeof(pstr_huffmann_tables->str_sample_rate_info) / |
| sizeof(ia_sampling_rate_info_struct); |
| |
| WORD32 sampling_rate = p_state_enhaacplus_dec->sampling_rate; |
| WORD sfidx; |
| |
| i = 0; |
| while ((i < num_entries) && |
| sampling_rate != ((pstr_huffmann_tables->str_sample_rate_info[i] |
| .sampling_frequency))) { |
| i++; |
| } |
| if (i == 12) { |
| i = i - 1; |
| } |
| |
| if (i == num_entries) { |
| return NULL; |
| } |
| sfidx = i; |
| |
| if (frame_length == 1024 || frame_length == 960) { |
| WORD16 *psfb_table_idx[2]; |
| const WORD8 *psfb_width[2]; |
| WORD width_idx; |
| WORD32 j; |
| |
| if (frame_length == 960) |
| sfidx += 12; |
| |
| psfb_table_idx[0] = ptr_aac_tables->sfb_long_table; |
| psfb_table_idx[1] = ptr_aac_tables->sfb_short_table; |
| |
| psfb_width[0] = ptr_aac_tables->scale_factor_bands_long[sfidx]; |
| psfb_width[1] = ptr_aac_tables->scale_factor_bands_short[sfidx]; |
| |
| for (j = 1; j >= 0; j--) { |
| const WORD8 *ptr_width = psfb_width[j]; |
| WORD16 *ptable_idx = psfb_table_idx[j]; |
| width_idx = 0; |
| *ptable_idx++ = width_idx; |
| do { |
| width_idx += (*ptr_width++); |
| *ptable_idx++ = width_idx; |
| } while (*ptr_width != -1); |
| |
| aac_persistent_mem->str_aac_decoder.num_swb_window[j] = |
| (WORD8)(ptr_width - psfb_width[j]); |
| } |
| |
| { |
| ptr_aac_tables->str_aac_sfb_info[0].sfb_index = |
| ptr_aac_tables->sfb_long_table; |
| ptr_aac_tables->str_aac_sfb_info[1].sfb_index = |
| ptr_aac_tables->sfb_long_table; |
| ptr_aac_tables->str_aac_sfb_info[3].sfb_index = |
| ptr_aac_tables->sfb_long_table; |
| |
| ptr_aac_tables->str_aac_sfb_info[2].sfb_index = |
| ptr_aac_tables->sfb_short_table; |
| |
| ptr_aac_tables->str_aac_sfb_info[0].sfb_width = (WORD8 *)psfb_width[0]; |
| ptr_aac_tables->str_aac_sfb_info[1].sfb_width = (WORD8 *)psfb_width[0]; |
| ptr_aac_tables->str_aac_sfb_info[3].sfb_width = (WORD8 *)psfb_width[0]; |
| |
| ptr_aac_tables->str_aac_sfb_info[2].sfb_width = (WORD8 *)psfb_width[1]; |
| } |
| } else { |
| WORD16 *ptr_sfb_idx[2]; |
| const WORD8 *ptr_sfb_width[2] = {0}; |
| WORD width_idx; |
| WORD32 j; |
| |
| ptr_sfb_idx[0] = ptr_aac_tables->sfb_long_table; |
| ptr_sfb_idx[1] = ptr_aac_tables->sfb_short_table; |
| |
| if (frame_length == 512) |
| ptr_sfb_width[0] = ptr_aac_tables->scale_fac_bands_512[i]; |
| else |
| ptr_sfb_width[0] = ptr_aac_tables->scale_fac_bands_480[i]; |
| |
| for (j = 0; j >= 0; j--) { |
| const WORD8 *ptr_width = ptr_sfb_width[j]; |
| WORD16 *ptr_idx = ptr_sfb_idx[j]; |
| width_idx = 0; |
| *ptr_idx++ = width_idx; |
| do { |
| width_idx += (*ptr_width++); |
| *ptr_idx++ = width_idx; |
| } while (*ptr_width != -1); |
| |
| aac_persistent_mem->str_aac_decoder.num_swb_window[j] = |
| (WORD8)(ptr_width - ptr_sfb_width[j]); |
| } |
| |
| { |
| ptr_aac_tables->str_aac_sfb_info[0].sfb_index = |
| ptr_aac_tables->sfb_long_table; |
| ptr_aac_tables->str_aac_sfb_info[1].sfb_index = |
| ptr_aac_tables->sfb_long_table; |
| ptr_aac_tables->str_aac_sfb_info[3].sfb_index = |
| ptr_aac_tables->sfb_long_table; |
| ptr_aac_tables->str_aac_sfb_info[2].sfb_index = |
| ptr_aac_tables->sfb_short_table; |
| |
| ptr_aac_tables->str_aac_sfb_info[0].sfb_width = |
| (WORD8 *)ptr_sfb_width[0]; |
| ptr_aac_tables->str_aac_sfb_info[1].sfb_width = |
| (WORD8 *)ptr_sfb_width[0]; |
| ptr_aac_tables->str_aac_sfb_info[3].sfb_width = |
| (WORD8 *)ptr_sfb_width[0]; |
| ptr_aac_tables->str_aac_sfb_info[2].sfb_width = |
| (WORD8 *)ptr_sfb_width[1]; |
| } |
| } |
| { |
| ia_aac_decoder_struct *aac_dec_handle = |
| &aac_persistent_mem->str_aac_decoder; |
| aac_dec_handle->sampling_rate_index = (WORD16)i; |
| aac_dec_handle->sampling_rate = sampling_rate; |
| aac_dec_handle->channels = 1; |
| aac_dec_handle->block_number = 0; |
| aac_dec_handle->samples_per_frame = frame_length; |
| } |
| } |
| |
| return &(aac_persistent_mem->str_aac_decoder); |
| } |
