128 lines
4.6 KiB
C
128 lines
4.6 KiB
C
/******************************************************************************
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* *
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* Copyright (C) 2023 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at:
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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*****************************************************************************
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* Originally developed and contributed by Ittiam Systems Pvt. Ltd, Bangalore
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*/
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#pragma once
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/****************************************************************************/
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/* structure definitions */
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/****************************************************************************/
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/* enhaacplus_enc configuration */
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typedef struct {
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WORD32 i_channels;
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WORD32 i_native_channels;
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WORD32 i_n_memtabs;
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WORD32 sample_rate;
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WORD32 native_sample_rate;
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WORD32 i_channels_mode;
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WORD32 aot;
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WORD32 i_channels_mask;
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WORD32 i_num_coupling_chan;
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WORD32 element_type;
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WORD32 element_slot;
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WORD32 num_bs_elements;
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WORD32 element_instance_tag;
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/* Add config params here */
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WORD32 aac_classic;
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WORD32 use_parametric_stereo;
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WORD32 chmode_nchannels;
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WORD32 chmode;
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WORD32 firstframe;
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WORD32 adts_flag;
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WORD32 esbr_flag;
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WORD32 init_success;
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WORD32 silence_marker;
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WORD32 frame_count;
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FLAG write_program_config_element;
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iaace_config aac_config;
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ixheaace_config_ancillary pstr_ancillary;
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WORD32 mps_tree_config;
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WORD32 use_mps;
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WORD32 eldsbr_found;
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WORD32 ccfl_idx;
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UWORD32 ui_pcm_wd_sz;
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WORD32 frame_length;
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ia_usac_encoder_config_struct usac_config;
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} ixheaace_config_struct;
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typedef struct ixheaace_state_struct {
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// The first AACENC_BLOCKSIZE*2 elements are the same as that of the encoder i/p buffer.
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// The usage of input buffer as scratch is avoided here
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FLOAT32 *inp_delay;
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FLOAT32 *time_signal_mps;
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FLOAT32 *time_signal;
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UWORD8 *mps_bs;
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ixheaace_config_struct *pstr_config[MAXIMUM_BS_ELE];
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WORD32 aot;
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WORD32 mps_enable;
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WORD32 mps_tree_config;
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WORD32 i_out_bytes;
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UWORD32 ui_in_bytes;
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UWORD32 ui_input_over;
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UWORD32 ui_init_done;
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/* other state structure variables */
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WORD32 downsample[MAXIMUM_BS_ELE];
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WORD32 buffer_offset;
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iexheaac_encoder_str *aac_enc_pers_mem[MAXIMUM_BS_ELE];
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VOID *temp_buff_aac;
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ixheaace_bit_buf bit_stream;
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ixheaace_bit_buf_handle pstr_bit_stream_handle;
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struct ixheaace_str_sbr_enc *spectral_band_replication_enc_pers_mem[MAXIMUM_BS_ELE];
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VOID *temp_buff_sbr;
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VOID *ptr_temp_buff_resamp;
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ixheaace_iir21_resampler down_sampler[MAXIMUM_BS_ELE][IXHEAACE_MAX_CH_IN_BS_ELE];
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ixheaace_iir_sos_resampler down_samp_sos[MAXIMUM_BS_ELE][IXHEAACE_MAX_CH_IN_BS_ELE];
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ixheaace_iir_sos_resampler up_sampler[MAXIMUM_BS_ELE][IXHEAACE_MAX_CH_IN_BS_ELE];
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ixheaace_iir21_resampler hbe_down_sampler[MAXIMUM_BS_ELE][IXHEAACE_MAX_CH_IN_BS_ELE];
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ixheaace_iir_sos_resampler hbe_down_samp_sos[MAXIMUM_BS_ELE][IXHEAACE_MAX_CH_IN_BS_ELE];
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ixheaace_iir_sos_resampler hbe_up_sampler[MAXIMUM_BS_ELE][IXHEAACE_MAX_CH_IN_BS_ELE];
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UWORD8 num_anc_data_bytes[MAXIMUM_BS_ELE][IXHEAACE_MAX_CH_IN_BS_ELE];
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UWORD8 anc_data_bytes[MAXIMUM_BS_ELE][IXHEAACE_MAX_PAYLOAD_SIZE];
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WORD32 total_fill_bits;
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int *scratch_addr;
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char flag_error;
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FLOAT32 **ptr_in_buf;
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FLOAT32 **pp_drc_in_buf;
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FLOAT32 *mps_scratch;
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ixheaace_audio_specific_config_struct audio_specific_config;
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ia_usac_data_struct str_usac_enc_data;
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ia_bit_buf_struct str_bit_buf;
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ixheaace_mps_212_memory_struct *mps_pers_mem;
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ixheaace_mps_515_memory_struct *mps_515_pers_mem;
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WORD32 is_quant_spec_zero;
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WORD32 is_gain_limited;
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WORD32 i_out_bits;
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VOID *loudness_handle;
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} ixheaace_state_struct;
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typedef struct ixheaace_api_struct {
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/* pointer to the state structure */
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ixheaace_state_struct *pstr_state;
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ixheaace_config_struct config[MAXIMUM_BS_ELE];
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/* the mem tables */
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ixheaace_mem_info_struct *pstr_mem_info;
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/* the mem pointers */
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pVOID *pp_mem;
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/* the table structs */
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ixheaace_aac_tables pstr_aac_tabs;
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ixheaace_comm_tables common_tabs;
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ixheaace_str_sbr_tabs spectral_band_replication_tabs;
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WORD32 usac_en;
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VOID *pstr_mps_212_enc;
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VOID *pstr_mps_515_enc;
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} ixheaace_api_struct;
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