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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: Dynamic range control (DRC) decoder tool for AAC
+
+ 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_H
+#define AACDEC_DRC_H
+
+#include "tp_data.h" /* for program config element support */
+
+
+#include "aacdec_drc_types.h"
+#include "channel.h"
+#include "FDK_bitstream.h"
+
+#define AACDEC_DRC_DEFAULT_REF_LEVEL ( 108 ) /* -27 dB below full scale (typical for movies) */
+#define AACDEC_DRC_DFLT_EXPIRY_FRAMES ( 40 ) /* Default DRC data expiry time in AAC frames */
+#define MAX_SBR_SYN_CHAN ( 64 )
+#define MAX_SBR_COLS ( 32 )
+
+
+/**
+ * \brief DRC module setting parameters
+ */
+typedef enum
+{
+ DRC_CUT_SCALE = 0,
+ DRC_BOOST_SCALE,
+ TARGET_REF_LEVEL,
+ DRC_BS_DELAY,
+ DRC_DATA_EXPIRY_FRAME,
+ APPLY_HEAVY_COMPRESSION
+
+} AACDEC_DRC_PARAM;
+
+
+/**
+ * \brief DRC module interface functions
+ */
+void aacDecoder_drcInit (
+ HANDLE_AAC_DRC self );
+
+void aacDecoder_drcInitChannelData (
+ CDrcChannelData *pDrcChannel );
+
+AAC_DECODER_ERROR aacDecoder_drcSetParam (
+ HANDLE_AAC_DRC self,
+ AACDEC_DRC_PARAM param,
+ INT value );
+
+int aacDecoder_drcMarkPayload (
+ HANDLE_AAC_DRC self,
+ HANDLE_FDK_BITSTREAM hBs,
+ AACDEC_DRC_PAYLOAD_TYPE type );
+
+int aacDecoder_drcProlog (
+ HANDLE_AAC_DRC self,
+ HANDLE_FDK_BITSTREAM hBs,
+ CAacDecoderStaticChannelInfo *pAacDecoderStaticChannelInfo[],
+ UCHAR pceInstanceTag,
+ UCHAR channelMapping[],
+ int numChannels );
+
+void aacDecoder_drcApply (
+ HANDLE_AAC_DRC self,
+ void *pSbrDec,
+ CAacDecoderChannelInfo *pAacDecoderChannelInfo,
+ CDrcChannelData *pDrcDat,
+ int ch,
+ int aacFrameSize,
+ int bSbrPresent );
+
+int aacDecoder_drcEpilog (
+ HANDLE_AAC_DRC self,
+ HANDLE_FDK_BITSTREAM hBs,
+ CAacDecoderStaticChannelInfo *pAacDecoderStaticChannelInfo[],
+ UCHAR pceInstanceTag,
+ UCHAR channelMapping[],
+ int validChannels );
+
+
+#endif /* AACDEC_DRC_H */