/****************************************************************************** * * * 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 "ixheaac_type_def.h" #include "ixheaac_error_standards.h" #include "ixheaacd_memory_standards.h" #include "ixheaacd_sbrdecsettings.h" #include "ixheaacd_sbr_scale.h" #include "ixheaacd_env_extr_part.h" #include "ixheaacd_defines.h" #include "ixheaacd_aac_rom.h" #include "ixheaacd_common_rom.h" #include "ixheaacd_sbr_rom.h" #include "ixheaacd_bitbuffer.h" #include "ixheaacd_pulsedata.h" #include "ixheaacd_pns.h" #include "ixheaacd_interface.h" #include "ixheaacd_info.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_sbr_common.h" #include "ixheaacd_drc_data_struct.h" #include "ixheaacd_drc_dec.h" #include "ixheaacd_channel.h" #include "ixheaacd_sbrdecoder.h" #include "ixheaacd_audioobjtypes.h" #include "ixheaacd_latmdemux.h" #include "ixheaacd_aacdec.h" #include "ixheaacd_sbr_common.h" #include "ixheaacd_hybrid.h" #include "ixheaacd_ps_dec.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 "ixheaac_constants.h" #include "ixheaacd_mps_dec.h" #include "ixheaacd_struct_def.h" #include "ixheaacd_bitbuffer.h" #include "ixheaacd_interface.h" #include "ixheaacd_tns_usac.h" #include "ixheaacd_acelp_info.h" #include "ixheaacd_sbrdecsettings.h" #include "ixheaacd_info.h" #include "ixheaacd_sbrdecoder.h" #include "ixheaacd_mps_polyphase.h" #include "ixheaac_sbr_const.h" #include "ixheaacd_main.h" #include "ixheaacd_arith_dec.h" #include "ixheaacd_config.h" #include "ixheaacd_struct.h" #include "ixheaacd_create.h" #include "ixheaacd_dec_main.h" #include "ixheaac_error_standards.h" #include "ixheaacd_headerdecode.h" #include "ixheaacd_error_codes.h" VOID ixheaacd_samples_sat(WORD8 *outbuffer, WORD32 num_samples_out, WORD32 pcmsize, FLOAT32 (*out_samples)[4096], WORD32 *out_bytes, WORD32 num_channel_out) { WORD32 num; WORD32 i; WORD32 write_local; FLOAT32 write_local_float; WORD16 *out_buf = (WORD16 *)outbuffer; num = num_channel_out * num_samples_out; if (pcmsize == 16) { for (i = 0; i < num; i++) { write_local_float = (out_samples[i % num_channel_out][i / num_channel_out]); if (write_local_float > 32767.0f) { write_local_float = 32767.0f; } else if (write_local_float < -32768.0f) { write_local_float = -32768.0f; } out_buf[i] = (WORD16)write_local_float; } *out_bytes = num * sizeof(WORD16); } else { WORD8 *out_24bit = (WORD8 *)out_buf; for (i = 0; i < num; i++) { write_local_float = (out_samples[i % num_channel_out][i / num_channel_out] * 256); if (write_local_float > 8388607.0f) { write_local_float = 8388607.0f; } else if (write_local_float < -8388608.0f) { write_local_float = -8388608.0f; } write_local = (WORD32)write_local_float; *out_24bit++ = (WORD32)write_local & 0xff; *out_24bit++ = ((WORD32)write_local >> 8) & 0xff; *out_24bit++ = ((WORD32)write_local >> 16) & 0xff; } *out_bytes = num * 3 * sizeof(WORD8); } } VOID ixheaacd_samples_sat_mc(WORD8* outbuffer, WORD32 num_samples_out, FLOAT32(*out_samples)[4096], WORD32* out_bytes, WORD32 num_channel_out, WORD32 ch_fac) { WORD32 num; WORD32 i; FLOAT32 write_local_float; WORD16* out_buf = (WORD16*)outbuffer; num = num_channel_out * num_samples_out; if (num_channel_out == 1) { for (i = 0; i < num; i++) { write_local_float = (out_samples[i % num_channel_out][i / num_channel_out]); if (write_local_float > 32767.0f) { write_local_float = 32767.0f; } else if (write_local_float < -32768.0f) { write_local_float = -32768.0f; } out_buf[i * ch_fac] = (WORD16)write_local_float; } } else if (num_channel_out == 2) { for (i = 0; i < num_samples_out; i++) { write_local_float = (out_samples[(2*i) % num_channel_out][(2 * i) / num_channel_out]); if (write_local_float > 32767.0f) { write_local_float = 32767.0f; } else if (write_local_float < -32768.0f) { write_local_float = -32768.0f; } out_buf[i * ch_fac] = (WORD16)write_local_float; write_local_float = (out_samples[((2 * i) + 1) % num_channel_out][((2 * i) + 1) / num_channel_out]); if (write_local_float > 32767.0f) { write_local_float = 32767.0f; } else if (write_local_float < -32768.0f) { write_local_float = -32768.0f; } out_buf[i * ch_fac + 1] = (WORD16)write_local_float; } } *out_bytes = num * sizeof(WORD16); } /* audio pre roll frame parsing*/ static WORD32 ixheaacd_audio_preroll_parsing( ia_dec_data_struct *pstr_dec_data, UWORD8 *conf_buf, WORD32 *preroll_units, WORD32 *preroll_frame_offset, ia_aac_dec_state_struct *aac_dec_handle, WORD32 *config_changed, WORD32 *apply_crossfade) { ia_bit_buf_struct *temp_buff = (ia_bit_buf_struct *)&(pstr_dec_data->dec_bit_buf); WORD32 ext_ele_present = 0; WORD32 ext_ele_use_dflt_len = 0; WORD32 ext_ele_payload_len = 0; WORD32 num_pre_roll_frames = 0; WORD32 frame_idx = 0; WORD32 temp = 0; WORD32 config_len = 0; WORD32 loop; if (pstr_dec_data->str_frame_data.str_audio_specific_config.str_usac_config .str_usac_dec_config.usac_element_type[0] == ID_USAC_EXT) { temp = ixheaacd_show_bits_buf(temp_buff, 3); ext_ele_present = (temp >> 1) & 0x1; if (ext_ele_present) { ext_ele_use_dflt_len = temp & 0x1; if (ext_ele_use_dflt_len != 0) return 0; ixheaacd_read_bits_buf(temp_buff, 3); ext_ele_payload_len = ixheaacd_read_bits_buf(temp_buff, 8); if (ext_ele_payload_len == 255) { WORD32 val_add = 0; val_add = ixheaacd_read_bits_buf(temp_buff, 16); ext_ele_payload_len = (UWORD32)((WORD32)ext_ele_payload_len + val_add - 2); } config_len = ixheaacd_read_bits_buf(temp_buff, 4); if (config_len == 15) { WORD32 val_add = 0; val_add = ixheaacd_read_bits_buf(temp_buff, 4); config_len += val_add; if (val_add == 15) { WORD32 val_add1 = 0; val_add1 = ixheaacd_read_bits_buf(temp_buff, 8); config_len += val_add1; } } for (loop = 0; loop < config_len; loop++) conf_buf[loop] = ixheaacd_read_bits_buf(temp_buff, 8); if (aac_dec_handle->preroll_config_present == 1) { if (!(memcmp(aac_dec_handle->preroll_config_prev, conf_buf, sizeof(UWORD8) * config_len))) { config_len = 0; } if (memcmp(aac_dec_handle->preroll_config_prev, conf_buf, sizeof(UWORD8) * config_len) != 0) { *config_changed = 1; } else { *config_changed = 0; } } aac_dec_handle->preroll_config_present = 1; memcpy(aac_dec_handle->preroll_config_prev, conf_buf, sizeof(UWORD8) * config_len); *apply_crossfade = ixheaacd_read_bits_buf(temp_buff, 1); ixheaacd_read_bits_buf(temp_buff, 1); num_pre_roll_frames = ixheaacd_read_bits_buf(temp_buff, 2); if (num_pre_roll_frames == 3) { WORD32 val_add = 0; val_add = ixheaacd_read_bits_buf(temp_buff, 4); num_pre_roll_frames += val_add; } if (num_pre_roll_frames > MAX_AUDIO_PREROLLS) { if (pstr_dec_data->str_usac_data.ec_flag) { num_pre_roll_frames = 0; longjmp(*(pstr_dec_data->xaac_jmp_buf), IA_XHEAAC_DEC_EXE_NONFATAL_INSUFFICIENT_INPUT_BYTES); } else { return IA_FATAL_ERROR; } } for (frame_idx = 0; frame_idx < num_pre_roll_frames; frame_idx++) { WORD32 au_len = 0; au_len = ixheaacd_read_bits_buf(temp_buff, 16); if (au_len == 65535) { WORD32 val_add = ixheaacd_read_bits_buf(temp_buff, 16); au_len += val_add; } if (config_len != 0) { preroll_frame_offset[frame_idx] = temp_buff->size - temp_buff->cnt_bits; } temp_buff->ptr_read_next += au_len; temp_buff->cnt_bits -= au_len * 8; if (temp_buff->cnt_bits < 0) { if (pstr_dec_data->str_usac_data.ec_flag) { temp_buff->cnt_bits = 0; longjmp(*(pstr_dec_data->xaac_jmp_buf), IA_XHEAAC_DEC_EXE_NONFATAL_INSUFFICIENT_INPUT_BYTES); } else { return IA_FATAL_ERROR; } } } } } if (config_len == 0) *preroll_units = 0; else *preroll_units = num_pre_roll_frames; return config_len; } WORD32 ixheaacd_dec_main(VOID *temp_handle, WORD8 *inbuffer, WORD8 *outbuffer, WORD32 *out_bytes, WORD32 frames_done, WORD32 pcmsize, WORD32 *num_channel_out) { WORD32 err = 0; ia_exhaacplus_dec_api_struct *handle = (ia_exhaacplus_dec_api_struct *)temp_handle; ia_aac_dec_state_struct *aac_dec_handle = handle->p_state_aac; WORD32 tmp; ia_audio_specific_config_struct *pstr_audio_specific_config = (ia_audio_specific_config_struct *) aac_dec_handle->ia_audio_specific_config; WORD32 suitable_tracks = 1; WORD32 num_samples_out; ia_dec_data_struct *pstr_dec_data; UWORD8 config[MAX_PREROLL_SIZE]; WORD32 config_len; WORD32 delay; WORD preroll_frame_offset[MAX_PREROLL_FRAME_OFFSET] = {0}; WORD preroll_units = -1; WORD32 access_units = 0; WORD32 bits_consumed = 0; if (frames_done == 0) { if ((pstr_audio_specific_config->channel_configuration > 2) || (pstr_audio_specific_config->channel_configuration == 0)) { return -1; } pstr_dec_data = (ia_dec_data_struct *)aac_dec_handle->pstr_dec_data; tmp = pstr_audio_specific_config->channel_configuration; suitable_tracks = ixheaacd_frm_data_init(pstr_audio_specific_config, pstr_dec_data); pstr_audio_specific_config->channel_configuration = tmp; if (suitable_tracks <= 0) { return -1; } } { WORD32 tot_out_bytes = 0; jmp_buf local; pstr_dec_data = (ia_dec_data_struct *)aac_dec_handle->pstr_dec_data; pstr_dec_data->str_usac_data.frame_ok = 1; pstr_dec_data->str_usac_data.ec_flag = aac_dec_handle->p_config->ui_err_conceal; if (pstr_dec_data->str_usac_data.ec_flag) { err = setjmp(local); } if (aac_dec_handle->p_config->ui_err_conceal) { if (err == 0) { if (pstr_dec_data->dec_bit_buf.cnt_bits) { aac_dec_handle->ui_in_bytes += (pstr_dec_data->dec_bit_buf.cnt_bits >> 3); if (aac_dec_handle->ui_in_bytes > IA_MAX_INP_BUFFER_SIZE) { aac_dec_handle->ui_in_bytes = 0; } } } else { pstr_dec_data->str_usac_data.frame_ok = 0; } } if (frames_done == 0) { WORD32 delay; pstr_dec_data->str_usac_data.first_frame = 1; if (aac_dec_handle->decode_create_done == 0) { delay = ixheaacd_decode_create( handle, pstr_dec_data, pstr_dec_data->str_frame_data.scal_out_select + 1); if (delay == -1) return -1; } pstr_dec_data->dec_bit_buf.max_size = handle->p_mem_info_aac[IA_MEMTYPE_INPUT].ui_size; *num_channel_out = pstr_dec_data->str_frame_data.scal_out_num_channels; return 0; } pstr_dec_data->dec_bit_buf.ptr_bit_buf_base = (UWORD8 *)inbuffer; pstr_dec_data->dec_bit_buf.size = aac_dec_handle->ui_in_bytes << 3; pstr_dec_data->dec_bit_buf.ptr_bit_buf_end = (UWORD8 *)inbuffer + aac_dec_handle->ui_in_bytes - 1; pstr_dec_data->dec_bit_buf.ptr_read_next = (UWORD8 *)inbuffer; pstr_dec_data->dec_bit_buf.bit_pos = 7; pstr_dec_data->dec_bit_buf.cnt_bits = pstr_dec_data->dec_bit_buf.size; pstr_dec_data->dec_bit_buf.xaac_jmp_buf = &(aac_dec_handle->xaac_jmp_buf); if (pstr_dec_data->str_usac_data.ec_flag) { pstr_dec_data->xaac_jmp_buf = &local; } pstr_dec_data->str_usac_data.usac_flag = aac_dec_handle->usac_flag; pstr_dec_data->str_usac_data.esbr_hq = handle->aac_config.ui_hq_esbr; pstr_dec_data->str_usac_data.enh_sbr = 1; pstr_dec_data->str_usac_data.enh_sbr_ps = handle->aac_config.ui_enh_sbr_ps; if (pstr_dec_data->dec_bit_buf.size > pstr_dec_data->dec_bit_buf.max_size) pstr_dec_data->dec_bit_buf.max_size = pstr_dec_data->dec_bit_buf.size; /* audio pre roll frame parsing*/ if (aac_dec_handle->bs_format == LOAS_BSFORMAT && pstr_dec_data->str_usac_data.frame_ok) { WORD32 sync = ixheaacd_read_bits_buf(&pstr_dec_data->dec_bit_buf, 11); if (sync == 0x2b7) { WORD32 result = ixheaacd_latm_audio_mux_element( &pstr_dec_data->dec_bit_buf, &aac_dec_handle->latm_struct_element, aac_dec_handle, (ia_sampling_rate_info_struct *)&handle->aac_tables .pstr_huffmann_tables->str_sample_rate_info[0]); if (result < 0) { if (aac_dec_handle->p_config->ui_err_conceal) pstr_dec_data->str_usac_data.frame_ok = 0; else return result; } } bits_consumed = pstr_dec_data->dec_bit_buf.size - pstr_dec_data->dec_bit_buf.cnt_bits; } do { config_len = 0; if (err == 0 || aac_dec_handle->p_config->ui_err_conceal == 0) { if (access_units == 0 && pstr_audio_specific_config->str_usac_config.str_usac_dec_config.preroll_flag) { config_len = ixheaacd_audio_preroll_parsing( pstr_dec_data, &config[0], &preroll_units, &preroll_frame_offset[0], aac_dec_handle, &aac_dec_handle->drc_config_changed, &aac_dec_handle->apply_crossfade); if (config_len == IA_FATAL_ERROR) return IA_FATAL_ERROR; } if (config_len != 0) { ia_bit_buf_struct config_bit_buf = {0}; config_bit_buf.ptr_bit_buf_base = config; config_bit_buf.size = config_len << 3; config_bit_buf.ptr_read_next = config_bit_buf.ptr_bit_buf_base; config_bit_buf.ptr_bit_buf_end = (UWORD8 *)config + config_len; config_bit_buf.bit_pos = 7; config_bit_buf.cnt_bits = config_bit_buf.size; if (pstr_dec_data->str_usac_data.ec_flag) { config_bit_buf.xaac_jmp_buf = &local; } else { config_bit_buf.xaac_jmp_buf = &(aac_dec_handle->xaac_jmp_buf); } suitable_tracks = ixheaacd_frm_data_init(pstr_audio_specific_config, pstr_dec_data); if (suitable_tracks <= 0) return -1; aac_dec_handle->decode_create_done = 0; if (aac_dec_handle->p_config->ui_err_conceal) { if (pstr_dec_data->str_usac_data.frame_ok == 1 && err == 0) { err = ixheaacd_config( &config_bit_buf, &(pstr_dec_data->str_frame_data.str_audio_specific_config.str_usac_config), &(pstr_audio_specific_config->channel_configuration), aac_dec_handle->p_config->ui_err_conceal); if (err != 0) { if (frames_done == 0) return -1; else pstr_dec_data->str_usac_data.frame_ok = 0; } } } else { err = ixheaacd_config( &config_bit_buf, &(pstr_dec_data->str_frame_data.str_audio_specific_config.str_usac_config), &(pstr_audio_specific_config->channel_configuration), aac_dec_handle->p_config->ui_err_conceal); if (err != 0) { return err; } } pstr_dec_data->str_frame_data.str_audio_specific_config.sampling_frequency = pstr_dec_data->str_frame_data.str_audio_specific_config.str_usac_config .usac_sampling_frequency; delay = ixheaacd_decode_create(handle, pstr_dec_data, pstr_dec_data->str_frame_data.scal_out_select + 1); if (delay == -1) return -1; *num_channel_out = pstr_dec_data->str_frame_data.scal_out_num_channels; } } else { pstr_dec_data->str_usac_data.frame_ok = 0; } pstr_dec_data->dec_bit_buf.ptr_bit_buf_base = (UWORD8 *)inbuffer; pstr_dec_data->dec_bit_buf.size = aac_dec_handle->ui_in_bytes << 3; pstr_dec_data->dec_bit_buf.ptr_bit_buf_end = (UWORD8 *)inbuffer + aac_dec_handle->ui_in_bytes - 1; pstr_dec_data->dec_bit_buf.ptr_read_next = (UWORD8 *)inbuffer; pstr_dec_data->dec_bit_buf.bit_pos = 7; pstr_dec_data->dec_bit_buf.cnt_bits = pstr_dec_data->dec_bit_buf.size; pstr_dec_data->dec_bit_buf.xaac_jmp_buf = &(aac_dec_handle->xaac_jmp_buf); pstr_dec_data->str_usac_data.usac_flag = aac_dec_handle->usac_flag; pstr_dec_data->str_usac_data.esbr_hq = handle->aac_config.ui_hq_esbr; pstr_dec_data->str_usac_data.enh_sbr = 1; pstr_dec_data->str_usac_data.enh_sbr_ps = handle->aac_config.ui_enh_sbr_ps; if (preroll_frame_offset[access_units] && ((pstr_dec_data->str_usac_data.ec_flag && pstr_dec_data->str_usac_data.frame_ok == 1) || pstr_dec_data->str_usac_data.ec_flag == 0)) { pstr_dec_data->dec_bit_buf.cnt_bits = pstr_dec_data->dec_bit_buf.size - preroll_frame_offset[access_units]; pstr_dec_data->dec_bit_buf.bit_pos = 7 - preroll_frame_offset[access_units] % 8; pstr_dec_data->dec_bit_buf.ptr_read_next = pstr_dec_data->dec_bit_buf.ptr_read_next + (preroll_frame_offset[access_units] / 8); } else { pstr_dec_data->dec_bit_buf.cnt_bits = pstr_dec_data->dec_bit_buf.size - (bits_consumed); pstr_dec_data->dec_bit_buf.bit_pos = 7 - (bits_consumed) % 8; pstr_dec_data->dec_bit_buf.ptr_read_next = pstr_dec_data->dec_bit_buf.ptr_read_next + (bits_consumed / 8); } if (pstr_dec_data->str_usac_data.ec_flag) { if (!aac_dec_handle->decode_create_done && pstr_dec_data->str_usac_data.frame_ok == 1 && config_len != 0) return IA_FATAL_ERROR; } else { if (!aac_dec_handle->decode_create_done) return IA_FATAL_ERROR; } err = ixheaacd_usac_process(pstr_dec_data, num_channel_out, aac_dec_handle); switch (pstr_dec_data->str_usac_data.sbr_ratio_idx) { case 0: handle->aac_config.ui_sbr_mode = 0; break; case 1: handle->aac_config.ui_sbr_mode = 1; break; case 2: handle->aac_config.ui_sbr_mode = 1; break; case 3: handle->aac_config.ui_sbr_mode = 3; break; default: handle->aac_config.ui_sbr_mode = 0; } if (err == -1) return err; num_samples_out = pstr_dec_data->str_usac_data.output_samples; if (!handle->aac_config.peak_limiter_off && pstr_dec_data->str_usac_data.ec_flag) { aac_dec_handle->peak_limiter.num_channels = *num_channel_out; ixheaacd_peak_limiter_process_float(&aac_dec_handle->peak_limiter, pstr_dec_data->str_usac_data.time_sample_vector, num_samples_out); } ixheaacd_samples_sat((WORD8 *)outbuffer + tot_out_bytes, num_samples_out, pcmsize, pstr_dec_data->str_usac_data.time_sample_vector, out_bytes, *num_channel_out); { WORD32 preroll_counter = pstr_dec_data->str_frame_data.str_audio_specific_config .str_usac_config.str_usac_dec_config.preroll_counter; UWORD8 i; // for looping index used for payload calculation WORD32 payload_buffer_offset = 0; WORD32 copy_bytes = pstr_dec_data->str_frame_data.str_audio_specific_config .str_usac_config.str_usac_dec_config .usac_ext_gain_payload_len[preroll_counter] * sizeof(WORD8); pstr_audio_specific_config->str_usac_config.str_usac_dec_config .usac_ext_gain_payload_len[preroll_counter] = pstr_dec_data->str_frame_data.str_audio_specific_config .str_usac_config.str_usac_dec_config .usac_ext_gain_payload_len[preroll_counter]; for (i = 0; i < preroll_counter; i++) payload_buffer_offset += pstr_dec_data->str_frame_data.str_audio_specific_config .str_usac_config.str_usac_dec_config .usac_ext_gain_payload_len[i] * sizeof(WORD8); memcpy(pstr_audio_specific_config->str_usac_config.str_usac_dec_config .usac_ext_gain_payload_buf + payload_buffer_offset, pstr_dec_data->str_frame_data.str_audio_specific_config .str_usac_config.str_usac_dec_config .usac_ext_gain_payload_buf + payload_buffer_offset, copy_bytes); pstr_audio_specific_config->str_usac_config.str_usac_dec_config .preroll_bytes[preroll_counter] = *out_bytes; preroll_counter++; if (preroll_counter > (MAX_AUDIO_PREROLLS + 1)) return IA_FATAL_ERROR; pstr_dec_data->str_frame_data.str_audio_specific_config.str_usac_config .str_usac_dec_config.preroll_counter = preroll_counter; ia_usac_decoder_config_struct *pstr_usac_dec_config_state = &pstr_audio_specific_config->str_usac_config.str_usac_dec_config; ia_usac_decoder_config_struct *pstr_usac_dec_config_dec_data = &pstr_dec_data->str_frame_data.str_audio_specific_config.str_usac_config .str_usac_dec_config; pstr_usac_dec_config_state->num_config_extensions = pstr_usac_dec_config_dec_data->num_config_extensions; pstr_usac_dec_config_state->num_elements = pstr_usac_dec_config_dec_data->num_elements; memcpy(pstr_usac_dec_config_state->usac_cfg_ext_info_buf, pstr_usac_dec_config_dec_data->usac_cfg_ext_info_buf, sizeof(pstr_usac_dec_config_state->usac_cfg_ext_info_buf)); memcpy(pstr_usac_dec_config_state->usac_ext_ele_payload_present, pstr_usac_dec_config_dec_data->usac_ext_ele_payload_present, sizeof(pstr_usac_dec_config_dec_data->usac_ext_ele_payload_present)); memcpy(pstr_usac_dec_config_state->usac_ext_ele_payload_buf, pstr_usac_dec_config_dec_data->usac_ext_ele_payload_buf, sizeof(pstr_usac_dec_config_state->usac_ext_ele_payload_buf)); } access_units++; preroll_units--; tot_out_bytes += (*out_bytes); } while (preroll_units >= 0); *out_bytes = tot_out_bytes; } if (aac_dec_handle->bs_format == LOAS_BSFORMAT) { pstr_dec_data->dec_bit_buf.ptr_bit_buf_base = (UWORD8 *)inbuffer; pstr_dec_data->dec_bit_buf.size = aac_dec_handle->ui_in_bytes << 3; pstr_dec_data->dec_bit_buf.ptr_bit_buf_end = (UWORD8 *)inbuffer + aac_dec_handle->ui_in_bytes - 1; pstr_dec_data->dec_bit_buf.ptr_read_next = (UWORD8 *)inbuffer; pstr_dec_data->dec_bit_buf.bit_pos = 7; pstr_dec_data->dec_bit_buf.cnt_bits = pstr_dec_data->dec_bit_buf.size; pstr_dec_data->dec_bit_buf.xaac_jmp_buf = &(aac_dec_handle->xaac_jmp_buf); ixheaacd_read_bits_buf(&pstr_dec_data->dec_bit_buf, 11); aac_dec_handle->i_bytes_consumed = ixheaacd_read_bits_buf(&pstr_dec_data->dec_bit_buf, 13) + 3; } return err; }