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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
#define IXHEAACE_MAX_PAYLOAD_SIZE (256)
enum { MONO = 1, STEREO = 2 };
typedef struct {
WORD32 bit_rate;
WORD32 num_channels;
WORD32 sample_freq;
WORD32 trans_fac;
WORD32 standard_bitrate;
} ixheaace_str_codec_param;
typedef struct ixheaace_str_sbr_cfg {
ixheaace_str_codec_param codec_settings;
WORD32 send_header_data_time;
WORD32 crc_sbr;
WORD32 detect_missing_harmonics;
WORD32 parametric_coding;
WORD32 tran_thr;
WORD32 noise_floor_offset;
UWORD32 use_speech_config;
WORD32 sbr_data_extra;
WORD32 amp_res;
WORD32 ana_max_level;
WORD32 tran_fc;
WORD32 tran_det_mode;
WORD32 spread;
WORD32 stat;
WORD32 e;
ixheaace_sbr_stereo_mode stereo_mode;
WORD32 delta_t_across_frames;
FLOAT32 df_edge_1st_env;
FLOAT32 df_edge_incr;
WORD32 sbr_invf_mode;
WORD32 sbr_xpos_mode;
WORD32 sbr_xpos_ctrl;
WORD32 sbr_xpos_lvl;
WORD32 start_freq;
WORD32 stop_freq;
WORD32 use_ps;
WORD32 ps_mode;
WORD32 freq_scale;
WORD32 alter_scale;
WORD32 sbr_noise_bands;
WORD32 sbr_limiter_bands;
WORD32 sbr_limiter_gains;
WORD32 sbr_interpol_freq;
WORD32 sbr_smoothing_length;
WORD32 frame_flag_480;
WORD32 frame_flag_960;
WORD32 is_ld_sbr;
WORD32 is_esbr;
WORD32 sbr_pvc_rate;
WORD32 sbr_ratio_idx;
WORD32 sbr_pvc_active;
WORD32 sbr_harmonic;
WORD32 hq_esbr;
ixheaace_sbr_codec_type sbr_codec;
} ixheaace_str_sbr_cfg, *ixheaace_pstr_sbr_cfg;
typedef struct ixheaace_str_sbr_enc *ixheaace_pstr_sbr_enc;
UWORD32
ixheaace_is_sbr_setting_available(UWORD32 bitrate, UWORD32 num_output_channels,
UWORD32 sample_rate_input, UWORD32 *sample_rate_core,
ixheaace_str_qmf_tabs *ptr_qmf_tab, WORD32 aot);
UWORD32 ixheaace_sbr_limit_bitrate(UWORD32 bit_rate, UWORD32 num_channels,
UWORD32 core_sample_rate, ixheaace_str_qmf_tabs *ptr_qmf_tab,
WORD32 aot);
VOID ixheaace_adjust_sbr_settings(const ixheaace_pstr_sbr_cfg pstr_config, UWORD32 bit_rate,
UWORD32 num_channels, UWORD32 fs_core, UWORD32 trans_fac,
UWORD32 standard_bitrate, ixheaace_str_qmf_tabs *ptr_qmf_tab,
WORD32 aot);
VOID ixheaace_initialize_sbr_defaults(ixheaace_pstr_sbr_cfg pstr_config);
IA_ERRORCODE
ixheaace_env_open(ixheaace_pstr_sbr_enc *pstr_env_encoder, ixheaace_pstr_sbr_cfg params,
WORD32 *core_bandwidth, WORD8 *spectral_band_replication_scratch_ptr,
ixheaace_str_sbr_tabs *pstr_sbr_tab, ixheaace_pstr_sbr_hdr_data *sbr_config);
VOID ixheaace_env_close(ixheaace_pstr_sbr_enc pstr_env_encoder);
WORD32
ixheaace_sbr_get_stop_freq_raw(ixheaace_pstr_sbr_enc ptr_env);
IA_ERRORCODE
ixheaace_env_encode_frame(ixheaace_pstr_sbr_enc ptr_env_encoder, FLOAT32 *samples,
FLOAT32 *core_buffer, UWORD32 time_sn_stride, UWORD8 *num_anc_bytes,
UWORD8 *anc_data, ixheaace_str_sbr_tabs *pstr_sbr_tab,
ixheaace_comm_tables *common_tab, UWORD8 *mps_data, WORD32 mps_bits,
WORD32 flag_framelength_small, WORD32 *usac_stat_bits);
VOID ixheaace_sbr_set_scratch_ptr(ixheaace_pstr_sbr_enc h_env_enc, VOID *scr);
WORD32 ixheaace_sbr_enc_pers_size(WORD32 num_chan, WORD32 use_ps, WORD32 harmonic_sbr);
WORD32 ixheaace_sbr_enc_scr_size(VOID);
VOID ixheaace_set_usac_sbr_params(ixheaace_pstr_sbr_enc h_env_enc, WORD32 usac_indep_flag,
WORD32 sbr_pre_proc, WORD32 sbr_pvc_active, WORD32 sbr_pvc_mode,
WORD32 inter_tes_active, WORD32 sbr_harmonic,
WORD32 sbr_patching_mode);
FLOAT32 *ixheaace_get_hbe_resample_buffer(ixheaace_pstr_sbr_enc h_env_enc);
IA_ERRORCODE ixheaace_extract_sbr_envelope(FLOAT32 *ptr_in_time, FLOAT32 *ptr_core_buf,
UWORD32 time_sn_stride,
ixheaace_pstr_sbr_enc pstr_env_enc,
ixheaace_str_sbr_tabs *ptr_sbr_tab,
ixheaace_comm_tables *pstr_com_tab,
WORD32 flag_framelength_small);
VOID ia_enhaacplus_enc_init_sbr_tabs(ixheaace_str_sbr_tabs *pstr_sbr_tabs);
VOID ia_enhaacplus_enc_get_shared_bufs(VOID *scr, WORD32 **shared_buf1, WORD32 **shared_buf2,
WORD32 **shared_buf3, WORD8 **shared_buf4,
WORD32 aacenc_blocksize);
VOID ia_enhaacplus_enc_get_scratch_bufs(VOID *scr, FLOAT32 **shared_buf1_ring,
FLOAT32 **shared_buf2_ring);
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