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/******************************************************************************
* *
* Copyright (C) 2023 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
*/
#pragma once
/****************************************************************************/
/* structure definitions */
/****************************************************************************/
/* enhaacplus_enc configuration */
typedef struct {
WORD32 i_channels;
WORD32 i_native_channels;
WORD32 i_n_memtabs;
WORD32 sample_rate;
WORD32 native_sample_rate;
WORD32 i_channels_mode;
WORD32 aot;
WORD32 i_channels_mask;
WORD32 i_num_coupling_chan;
WORD32 element_type;
WORD32 element_slot;
WORD32 num_bs_elements;
WORD32 element_instance_tag;
/* Add config params here */
WORD32 aac_classic;
WORD32 use_parametric_stereo;
WORD32 chmode_nchannels;
WORD32 chmode;
WORD32 firstframe;
WORD32 adts_flag;
WORD32 esbr_flag;
WORD32 init_success;
WORD32 silence_marker;
WORD32 frame_count;
FLAG write_program_config_element;
iaace_config aac_config;
ixheaace_config_ancillary pstr_ancillary;
WORD32 mps_tree_config;
WORD32 use_mps;
WORD32 eldsbr_found;
WORD32 ccfl_idx;
UWORD32 ui_pcm_wd_sz;
WORD32 frame_length;
ia_usac_encoder_config_struct usac_config;
} ixheaace_config_struct;
typedef struct ixheaace_state_struct {
// The first AACENC_BLOCKSIZE*2 elements are the same as that of the encoder i/p buffer.
// The usage of input buffer as scratch is avoided here
FLOAT32 *inp_delay;
FLOAT32 *time_signal_mps;
FLOAT32 *time_signal;
UWORD8 *mps_bs;
ixheaace_config_struct *pstr_config[MAXIMUM_BS_ELE];
WORD32 aot;
WORD32 mps_enable;
WORD32 mps_tree_config;
WORD32 i_out_bytes;
UWORD32 ui_in_bytes;
UWORD32 ui_input_over;
UWORD32 ui_init_done;
/* other state structure variables */
WORD32 downsample[MAXIMUM_BS_ELE];
WORD32 buffer_offset;
iexheaac_encoder_str *aac_enc_pers_mem[MAXIMUM_BS_ELE];
VOID *temp_buff_aac;
ixheaace_bit_buf bit_stream;
ixheaace_bit_buf_handle pstr_bit_stream_handle;
struct ixheaace_str_sbr_enc *spectral_band_replication_enc_pers_mem[MAXIMUM_BS_ELE];
VOID *temp_buff_sbr;
VOID *ptr_temp_buff_resamp;
ixheaace_iir21_resampler down_sampler[MAXIMUM_BS_ELE][IXHEAACE_MAX_CH_IN_BS_ELE];
ixheaace_iir_sos_resampler down_samp_sos[MAXIMUM_BS_ELE][IXHEAACE_MAX_CH_IN_BS_ELE];
ixheaace_iir_sos_resampler up_sampler[MAXIMUM_BS_ELE][IXHEAACE_MAX_CH_IN_BS_ELE];
ixheaace_iir21_resampler hbe_down_sampler[MAXIMUM_BS_ELE][IXHEAACE_MAX_CH_IN_BS_ELE];
ixheaace_iir_sos_resampler hbe_down_samp_sos[MAXIMUM_BS_ELE][IXHEAACE_MAX_CH_IN_BS_ELE];
ixheaace_iir_sos_resampler hbe_up_sampler[MAXIMUM_BS_ELE][IXHEAACE_MAX_CH_IN_BS_ELE];
UWORD8 num_anc_data_bytes[MAXIMUM_BS_ELE][IXHEAACE_MAX_CH_IN_BS_ELE];
UWORD8 anc_data_bytes[MAXIMUM_BS_ELE][IXHEAACE_MAX_PAYLOAD_SIZE];
WORD32 total_fill_bits;
int *scratch_addr;
char flag_error;
FLOAT32 **ptr_in_buf;
FLOAT32 **pp_drc_in_buf;
FLOAT32 *mps_scratch;
ixheaace_audio_specific_config_struct audio_specific_config;
ia_usac_data_struct str_usac_enc_data;
ia_bit_buf_struct str_bit_buf;
ixheaace_mps_212_memory_struct *mps_pers_mem;
ixheaace_mps_515_memory_struct *mps_515_pers_mem;
WORD32 is_quant_spec_zero;
WORD32 is_gain_limited;
} ixheaace_state_struct;
typedef struct ixheaace_api_struct {
/* pointer to the state structure */
ixheaace_state_struct *pstr_state;
ixheaace_config_struct config[MAXIMUM_BS_ELE];
/* the mem tables */
ixheaace_mem_info_struct *pstr_mem_info;
/* the mem pointers */
pVOID *pp_mem;
/* the table structs */
ixheaace_aac_tables pstr_aac_tabs;
ixheaace_comm_tables common_tabs;
ixheaace_str_sbr_tabs spectral_band_replication_tabs;
WORD32 usac_en;
VOID *pstr_mps_212_enc;
VOID *pstr_mps_515_enc;
} ixheaace_api_struct;
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