/****************************************************************************** * * * 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 #include "ixheaacd_sbr_common.h" #include "ixheaacd_constants.h" #include #include #include #include "ixheaacd_basic_ops.h" #include "ixheaacd_bitbuffer.h" #include #include "ixheaacd_intrinsics.h" #include "ixheaacd_defines.h" #include #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_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 #include "ixheaacd_sbrdecsettings.h" #include "ixheaacd_sbr_scale.h" #include "ixheaacd_env_extr_part.h" #include #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_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); { 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_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_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].sbr_ele_id = ID_SCE; ptr_sbr_bitstream->str_sbr_ele[0].size_payload = 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; 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; } if (frame_length == 1024) { WORD16 *psfb_table_idx[2]; const WORD8 *psfb_width[2]; WORD width_idx; WORD32 j; 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[i]; psfb_width[1] = ptr_aac_tables->scale_factor_bands_short[i]; 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]; 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); }