| /* ------------------------------------------------------------------ |
| * Copyright (C) 1998-2009 PacketVideo |
| * |
| * 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. |
| * ------------------------------------------------------------------- |
| */ |
| /* |
| |
| Pathname: s_MC_Info.h |
| |
| ------------------------------------------------------------------------------ |
| REVISION HISTORY |
| |
| Description: (1) use enum type for audioObjectType (2) update revision history |
| |
| Who: Date: |
| Description: |
| ------------------------------------------------------------------------------ |
| INCLUDE DESCRIPTION |
| |
| This include file defines the structure, MC_Info |
| |
| ------------------------------------------------------------------------------ |
| */ |
| |
| /*---------------------------------------------------------------------------- |
| ; CONTINUE ONLY IF NOT ALREADY DEFINED |
| ----------------------------------------------------------------------------*/ |
| #ifndef S_MC_INFO_H |
| #define S_MC_INFO_H |
| |
| /*---------------------------------------------------------------------------- |
| ; INCLUDES |
| ----------------------------------------------------------------------------*/ |
| #include "pv_audio_type_defs.h" |
| #include "e_rawbitstreamconst.h" |
| #include "s_ch_info.h" |
| #include "chans.h" |
| #include "e_tmp4audioobjecttype.h" |
| |
| /*---------------------------------------------------------------------------- |
| ; MACROS |
| ; Define module specific macros here |
| ----------------------------------------------------------------------------*/ |
| |
| /*---------------------------------------------------------------------------- |
| ; DEFINES |
| ; Include all pre-processor statements here. |
| ----------------------------------------------------------------------------*/ |
| |
| /*---------------------------------------------------------------------------- |
| ; EXTERNAL VARIABLES REFERENCES |
| ; Declare variables used in this module but defined elsewhere |
| ----------------------------------------------------------------------------*/ |
| |
| /*---------------------------------------------------------------------------- |
| ; SIMPLE TYPEDEF'S |
| ----------------------------------------------------------------------------*/ |
| |
| /*---------------------------------------------------------------------------- |
| ; ENUMERATED TYPEDEF'S |
| ----------------------------------------------------------------------------*/ |
| |
| /*---------------------------------------------------------------------------- |
| ; STRUCTURES TYPEDEF'S |
| ----------------------------------------------------------------------------*/ |
| |
| typedef struct |
| { |
| Int nch; /* total number of audio channels */ |
| Int nfsce; /* number of front SCE's pror to first front CPE */ |
| Int nfch; /* number of front channels */ |
| Int nsch; /* number of side channels */ |
| Int nbch; /* number of back channels */ |
| Int nlch; /* number of lfe channels */ |
| Int ncch; /* number of valid coupling channels */ |
| tMP4AudioObjectType audioObjectType; /* Should eventually be called object */ |
| Int sampling_rate_idx; |
| |
| Int implicit_channeling; |
| Int upsamplingFactor; |
| #ifdef AAC_PLUS |
| bool bDownSampledSbr; |
| Int HE_AAC_level; |
| #endif |
| /* All AAC content should be aware of these flag */ |
| /* AAC+ content Flag */ |
| Int sbrPresentFlag; |
| /* Enhanced AAC+ content Flag */ |
| Int psPresentFlag; |
| tMP4AudioObjectType ExtendedAudioObjectType; /* Should eventually be called object */ |
| |
| Ch_Info ch_info[Chans]; |
| } MC_Info; |
| |
| /*---------------------------------------------------------------------------- |
| ; GLOBAL FUNCTION DEFINITIONS |
| ; Function Prototype declaration |
| ----------------------------------------------------------------------------*/ |
| |
| /*---------------------------------------------------------------------------- |
| ; END |
| ----------------------------------------------------------------------------*/ |
| #endif |
| |
