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s_mc_info.h
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s_mc_info.h
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/* ------------------------------------------------------------------
* 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