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/***************************** MPEG-4 AAC Decoder **************************
(C) Copyright Fraunhofer IIS (2010)
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: Dynamic range control (DRC) global data 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 AACDEC_DRC_TYPES_H
#define AACDEC_DRC_TYPES_H
#include "common_fix.h"
#define MAX_DRC_THREADS ( 3 ) /* Heavy compression value is handled just like MPEG DRC data */
#define MAX_DRC_BANDS ( 16 ) /* 2^LEN_DRC_BAND_INCR (LEN_DRC_BAND_INCR = 4) */
/**
* \brief DRC module global data types
*/
typedef enum
{
UNKNOWN_PAYLOAD = 0,
MPEG_DRC_EXT_DATA,
DVB_DRC_ANC_DATA
} AACDEC_DRC_PAYLOAD_TYPE;
typedef struct
{
UINT expiryCount;
UINT numBands;
USHORT bandTop[MAX_DRC_BANDS];
SHORT drcInterpolationScheme;
UCHAR drcValue[MAX_DRC_BANDS];
} CDrcChannelData;
typedef struct
{
AACDEC_DRC_PAYLOAD_TYPE type;
UINT excludedChnsMask;
SCHAR progRefLevel;
SCHAR pceInstanceTag;
CDrcChannelData channelData;
} CDrcPayload;
typedef struct
{
FIXP_DBL cut;
FIXP_DBL boost;
UINT expiryFrame;
SCHAR targetRefLevel;
UCHAR bsDelayEnable;
UCHAR applyHeavyCompression;
} CDrcParams;
typedef struct
{
CDrcParams params; /* Module parameters that can be set by user (via SetParam API function) */
UCHAR enable; /* Switch that controls dynamic range processing */
UCHAR digitalNorm; /* Switch to en-/disable reference level normalization in digital domain */
USHORT numPayloads; /* The number of DRC data payload elements found within frame */
USHORT numThreads; /* The number of DRC data threads extracted from the found payload elements */
SCHAR progRefLevel; /* Program reference level for all channels */
UCHAR dvbAncDataAvailable; /* Flag that indicates whether DVB ancillary data is present or not */
UINT dvbAncDataPosition; /* Used to store the DVB ancillary data payload position in the bitstream (only one per frame) */
UINT drcPayloadPosition[MAX_DRC_THREADS]; /* Used to store the DRC payload positions in the bitstream */
} CDrcInfo;
typedef CDrcInfo *HANDLE_AAC_DRC;
#endif /* AACDEC_DRC_TYPES_H */
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