aosp12/external/libxaac/decoder/ixheaacd_headerdecode.h

72 lines
3.0 KiB
C

/******************************************************************************
* *
* 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
*/
#ifndef IXHEAACD_HEADERDECODE_H
#define IXHEAACD_HEADERDECODE_H
typedef struct {
WORD32 bit_stream_type;
WORD32 prog_config_present;
ia_program_config_struct str_prog_config;
} ia_adif_header_struct;
WORD32 ixheaacd_aac_headerdecode(
ia_exhaacplus_dec_api_struct *p_obj_enhaacplus_dec, UWORD8 *buffer,
WORD32 *bytes_consumed,
const ia_aac_dec_huffman_tables_struct *ptr_huffmann_tables);
ia_aac_decoder_struct *ixheaacd_aac_decoder_init(
ia_aac_dec_state_struct *p_state_enhaacplus_dec,
ia_aac_dec_sbr_bitstream_struct *ptr_sbr_bitstream, WORD channels,
VOID *aac_persistent_mem_v, WORD32 frame_length);
VOID ixheaacd_fill_prog_config_slots(
ia_aac_dec_state_struct *p_state_enhaacplus_dec);
WORD ixheaacd_decode_pce(struct ia_bit_buf_struct *it_bit_buff,
UWORD32 *ui_pce_found_in_hdr,
ia_program_config_struct *pce_t);
WORD32 ixheaacd_ga_hdr_dec(ia_aac_dec_state_struct *pstate_aac_dec,
WORD32 header_len, WORD32 *bytes_consumed,
ia_sampling_rate_info_struct *pstr_samp_rate_info,
struct ia_bit_buf_struct *it_bit_buff);
WORD32 ixheaacd_latm_audio_mux_element(
struct ia_bit_buf_struct *it_bit_buff, ixheaacd_latm_struct *latm_element,
ia_aac_dec_state_struct *aac_state_struct,
ia_sampling_rate_info_struct *sample_rate_info);
WORD32 ixheaacd_get_element_index_tag(
ia_exhaacplus_dec_api_struct *p_obj_exhaacplus_dec, WORD ch_idx1,
WORD *ch_idx, WORD *channel, WORD *element_index_order, WORD total_elements,
WORD8 *element_used, WORD total_channels, ia_drc_dec_struct *pstr_drc_dec,
ia_drc_dec_struct *drc_dummy);
WORD32 ixheaacd_latm_audio_mux_element(
struct ia_bit_buf_struct *it_bit_buff, ixheaacd_latm_struct *latm_element,
ia_aac_dec_state_struct *aac_state_struct,
ia_sampling_rate_info_struct *ptr_samp_rate_info);
VOID ixheaacd_set_sbr_persistent_table_pointer(
VOID *sbr_persistent_mem_v, ia_sbr_tables_struct *ptr_sbr_tables,
ixheaacd_misc_tables *ptr_common_tables);
#endif /* IXHEAACD_HEADERDECODE_H */