| /****************************************************************************** |
| * * |
| * 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 |