aosp12/external/libxaac/decoder/ixheaacd_latmdemux.h

66 lines
2.0 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 LATM_DEMUX_H
#define LATM_DEMUX_H
#define LATM_MAX_PROG 8
#define LATM_MAX_LAYER 8
#define LATM_MAX_VAR_CHUNKS 16
#define LATM_MAX_ID 16
typedef struct {
AUDIO_OBJECT_TYPE aot;
UWORD32 sampling_freq_index;
UWORD32 sampling_freq;
WORD32 channel_config;
UWORD32 samples_per_frame;
} ixheaacd_latm_specs;
typedef struct {
UWORD32 frame_len_type;
UWORD32 buffer_fullness;
UWORD32 frame_len_bits;
ixheaacd_latm_specs asc;
} ixheaacd_latm_layer_info;
typedef struct {
UWORD32 use_same_stream_mux;
UWORD32 audio_mux_version;
UWORD32 all_streams_same_time_framing;
UWORD32 num_sub_frames;
UWORD32 num_program;
UWORD32 num_layer;
UWORD32 use_same_config;
UWORD32 other_data_present;
UWORD32 other_data_length;
UWORD32 crc_check_present;
UWORD32 crc_check_sum;
UWORD32 frame_length;
ixheaacd_latm_layer_info layer_info[LATM_MAX_PROG][LATM_MAX_LAYER];
} ixheaacd_latm_struct;
WORD32 ixheaacd_latm_au_chunk_length_info(ia_bit_buf_struct* it_bit_buff);
WORD32 ixheaacd_latm_payload_length_info(ia_bit_buf_struct* it_bit_buff,
ixheaacd_latm_struct* latm_element);
#endif