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/***************************** MPEG-4 AAC Decoder **************************
(C) Copyright Fraunhofer IIS (2004)
All Rights Reserved
Please be advised that this software and/or program delivery is
Confidential Information of Fraunhofer and subject to and covered by the
Fraunhofer IIS Software Evaluation Agreement
between Google Inc. and Fraunhofer
effective and in full force since March 1, 2012.
You may use this software and/or program only under the terms and
conditions described in the above mentioned Fraunhofer IIS Software
Evaluation Agreement. Any other and/or further use requires a separate agreement.
$Id$
Author(s): Christian Griebel
Description: Error concealment structs and types
This software and/or program is protected by copyright law and international
treaties. Any reproduction or distribution of this software and/or program,
or any portion of it, may result in severe civil and criminal penalties, and
will be prosecuted to the maximum extent possible under law.
******************************************************************************/
#ifndef CONCEAL_TYPES_H
#define CONCEAL_TYPES_H
#include "machine_type.h"
#include "common_fix.h"
#include "rvlc_info.h"
#define CONCEAL_MAX_NUM_FADE_FACTORS ( 16 )
#define FIXP_CNCL FIXP_DBL
#define FL2FXCONST_CNCL FL2FXCONST_DBL
#define FX_DBL2FX_CNCL
#define FX_CNCL2FX_DBL
#define CNCL_FRACT_BITS DFRACT_BITS
/* Warning: Do not ever change these values. */
typedef enum
{
ConcealMethodNone = -1,
ConcealMethodMute = 0,
ConcealMethodNoise = 1,
ConcealMethodInter = 2,
ConcealMethodTonal = 3
} CConcealmentMethod;
typedef enum
{
ConcealState_Ok,
ConcealState_Single,
ConcealState_FadeIn,
ConcealState_Mute,
ConcealState_FadeOut
} CConcealmentState;
typedef struct
{
FIXP_SGL fadeOutFactor[CONCEAL_MAX_NUM_FADE_FACTORS];
FIXP_SGL fadeInFactor [CONCEAL_MAX_NUM_FADE_FACTORS];
CConcealmentMethod method;
int numFadeOutFrames;
int numFadeInFrames;
int numMuteReleaseFrames;
int comfortNoiseLevel;
} CConcealParams;
typedef struct
{
CConcealParams *pConcealParams;
FIXP_CNCL spectralCoefficient[1024];
SHORT specScale[8];
INT iRandomPhase;
INT prevFrameOk[2];
INT cntFadeFrames;
INT cntValidFrames;
SHORT aRvlcPreviousScaleFactor[RVLC_MAX_SFB]; /* needed once per channel */
UCHAR aRvlcPreviousCodebook[RVLC_MAX_SFB]; /* needed once per channel */
SCHAR rvlcPreviousScaleFactorOK;
SCHAR rvlcPreviousBlockType;
SCHAR lastRenderMode;
UCHAR windowShape;
UCHAR windowSequence;
UCHAR lastWinGrpLen;
CConcealmentState concealState;
} CConcealmentInfo;
#endif /* #ifndef CONCEAL_TYPES_H */
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