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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
/* read only memory, intra frame */
#define IA_MEMTYPE_INPUT 0x02
/* read-write memory, for usable output, intra frame */
#define IA_MEMTYPE_OUTPUT 0x03
#define DEFAULT_MEM_ALIGN_8 (8)
#define IXHEAACE_MEM_ALLOC_CNT (6)
/* 1 <ixheaace_api_struct> 2 <ixheaace_mem_info_struct> 3 <Persistent> 4 <Scratch> 5 <Input>
* 6 <Output> */
/* Audio Object Type */
#define AOT_AAC_LC (2)
#define AOT_SBR (5)
#define AOT_AAC_LD (23)
#define AOT_AAC_ELD (39)
#define AOT_USAC (42)
#define AOT_PS (29)
/* standard memory table descriptor for libraries */
typedef struct {
UWORD32 ui_size; /* size of the memory in bytes */
UWORD32 ui_alignment; /* alignment in bytes */
UWORD32 ui_type; /* type of memory */
UWORD32 ui_placement[2]; /* 64 bit placement info */
UWORD32 ui_priority; /* the importance for placement */
UWORD32 ui_placed[2]; /* the o_red location for placement */
} ixheaace_mem_info_struct;
typedef struct {
UWORD32 ui_size;
UWORD32 ui_alignment;
UWORD32 ui_type;
pVOID mem_ptr;
} ixheaace_mem_info_table;
typedef struct {
WORD32 sample_rate; /* audio file sample rate */
WORD32 bitrate; /* encoder bit rate in bits/sec */
WORD32 num_channels_in; /* number of channels on input (1,2) */
WORD32 num_channels_out; /* number of channels on output (1,2) */
WORD32 bandwidth; /* targeted audio bandwidth in Hz */
WORD32 dual_mono; /* flag: make 2 SCEs for stereo input files */
WORD32 use_tns; /* flag: use temporal noise shaping */
WORD32 noise_filling; /* flag: use noise filling */
WORD32 use_adts; /* flag: use ADTS instead of ADIF */
WORD32 private_bit; /* private bit of MPEG Header */
WORD32 copyright_bit; /* copyright bit of MPEG Header */
WORD32 original_copy_bit; /* original bit of MPEG Header */
WORD32 f_no_stereo_preprocessing; /* forbid usage of stereo prerpocessing */
WORD32 inv_quant; /* improve distortion by inverse quantization */
WORD32 full_bandwidth; /* improve distortion by inverse quantization */
WORD32 bitreservoir_size; /* size of bit reservoir (default:0; max 6144)*/
WORD32 length;
} ixheaace_aac_enc_config;
typedef struct {
UWORD32 ui_pcm_wd_sz;
WORD32 i_bitrate;
WORD32 frame_length;
WORD32 frame_cmd_flag;
WORD32 out_bytes_flag;
WORD32 user_tns_flag;
WORD32 user_esbr_flag;
WORD32 aot;
WORD32 i_mps_tree_config;
WORD32 esbr_flag;
WORD32 i_channels;
UWORD32 i_samp_freq;
WORD32 i_native_samp_freq;
WORD32 i_channels_mask;
WORD32 i_num_coupling_chan;
/* Add config params here */
WORD32 i_use_mps;
WORD32 i_use_adts;
WORD32 i_use_es;
WORD32 usac_en;
WORD32 codec_mode;
WORD32 cplx_pred;
WORD32 ccfl_idx;
WORD32 pvc_active;
WORD32 harmonic_sbr;
WORD32 inter_tes_active;
pVOID pv_drc_cfg;
FLAG use_drc_element;
WORD32 drc_frame_size;
WORD32 hq_esbr;
FLAG write_program_config_element;
ixheaace_aac_enc_config aac_config;
} ixheaace_input_config;
typedef struct {
WORD8 *p_lib_name;
WORD8 *p_version_num;
} ixheaace_version;
typedef struct {
WORD32 i_out_bytes;
WORD32 i_bytes_consumed;
UWORD32 ui_inp_buf_size;
UWORD32 malloc_count;
SIZE_T ui_rem;
UWORD32 ui_proc_mem_tabs_size;
pVOID pv_ia_process_api_obj;
pVOID arr_alloc_memory[IXHEAACE_MEM_ALLOC_CNT];
pVOID (*malloc_xheaace)(UWORD32, UWORD32);
VOID (*free_xheaace)(pVOID);
ixheaace_version version;
ixheaace_mem_info_table mem_info_table[4];
WORD32 input_size;
WORD32 samp_freq;
WORD32 header_samp_freq;
WORD32 audio_profile;
FLOAT32 down_sampling_ratio;
pWORD32 pb_inp_buf_32;
} ixheaace_output_config;
typedef struct {
ixheaace_input_config input_config;
ixheaace_output_config output_config;
} ixheaace_user_config_struct;
typedef struct {
WORD32 codec_mode;
} ia_input_config;
/* gets the encoder library name and version number details */
IA_ERRORCODE ixheaace_get_lib_id_strings(pVOID pv_output);
/* handles memory requirements and initialization*/
IA_ERRORCODE ixheaace_create(pVOID pv_input, pVOID pv_output);
/* encodes the input frame data */
IA_ERRORCODE ixheaace_process(pVOID pv_ia_process_api_obj, pVOID pstr_in_cfg, pVOID pstr_out_cfg);
/* frees the allocated memories for the encoder*/
IA_ERRORCODE ixheaace_delete(pVOID pv_output);
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