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+/****************************************************************************
+
+ (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.
+
+
+ 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.
+
+ $Id$
+
+*******************************************************************************/
+/*!
+ \file
+ \brief Main SBR structs definitions $Revision: 36847 $
+*/
+
+#ifndef __SBR_H
+#define __SBR_H
+
+#include "fram_gen.h"
+#include "bit_sbr.h"
+#include "tran_det.h"
+#include "code_env.h"
+#include "env_est.h"
+#include "cmondata.h"
+
+#include "qmf.h"
+#include "resampler.h"
+
+#include "ton_corr.h"
+
+
+/* SBR bitstream delay */
+ #define DELAY_FRAMES 2
+
+typedef struct {
+ struct ENV_CHANNEL hEnvChannel;
+ //INT_PCM *pDSOutBuffer; /**< Pointer to downsampled audio output of SBR encoder */
+ DOWNSAMPLER downSampler;
+
+} SBR_CHANNEL;
+typedef SBR_CHANNEL* HANDLE_SBR_CHANNEL;
+
+typedef struct {
+ HANDLE_SBR_CHANNEL sbrChannel[2];
+ QMF_FILTER_BANK *hQmfAnalysis[2];
+ SBR_CONFIG_DATA sbrConfigData;
+ SBR_HEADER_DATA sbrHeaderData;
+ SBR_BITSTREAM_DATA sbrBitstreamData;
+ COMMON_DATA CmonData;
+ INT dynXOverFreqDelay[5]; /**< to delay a frame (I don't like it that much that way - hrc) */
+ SBR_ELEMENT_INFO elInfo;
+
+ UCHAR payloadDelayLine[1+DELAY_FRAMES][MAX_PAYLOAD_SIZE];
+ UINT payloadDelayLineSize[1+DELAY_FRAMES]; /* Sizes in bits */
+
+} SBR_ELEMENT;
+typedef SBR_ELEMENT* HANDLE_SBR_ELEMENT;
+
+struct SBR_ENCODER
+{
+ HANDLE_SBR_ELEMENT sbrElement[(6)];
+ HANDLE_SBR_CHANNEL pSbrChannel[(6)];
+ QMF_FILTER_BANK QmfAnalysis[(6)];
+ DOWNSAMPLER lfeDownSampler;
+ int lfeChIdx; /* -1 default for no lfe, else assign channel index */
+ int noElements; /* Number of elements */
+ int nChannels; /* Total channel count across all elements. */
+ int frameSize; /* SBR framelength. */
+ int bufferOffset; /* Offset for SBR parameter extraction in time domain input buffer. */
+ int downsampledOffset; /* Offset of downsampled/mixed output for core encoder. */
+ int downmixSize; /* Size in samples of downsampled/mixed output for core encoder. */
+ int fTimeDomainDownsampling; /* Flag signalling time domain downsampling instead of QMF downsampling. */
+ int nBitstrDelay; /* Amount of SBR frames to be delayed in bitstream domain. */
+ INT estimateBitrate; /* estimate bitrate of SBR encoder */
+ INT inputDataDelay; /* delay caused by downsampler, in/out buffer at sbrEncoder_EncodeFrame */
+
+ UCHAR* dynamicRam;
+ UCHAR* pSBRdynamic_RAM;
+
+ HANDLE_PSENC_CONFIG hPsEncConfig;
+ HANDLE_PARAMETRIC_STEREO hParametricStereo;
+ QMF_FILTER_BANK qmfSynthesisPS;
+
+ /* parameters describing allocation volume of present instance */
+ INT maxElements;
+ INT maxChannels;
+ INT supportPS;
+
+} ;
+
+
+#endif /* __SBR_H */