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Diffstat (limited to 'libSBRenc/src/sbr.h')
| -rw-r--r-- | libSBRenc/src/sbr.h | 107 |
1 files changed, 107 insertions, 0 deletions
diff --git a/libSBRenc/src/sbr.h b/libSBRenc/src/sbr.h new file mode 100644 index 0000000..40a3953 --- /dev/null +++ b/libSBRenc/src/sbr.h @@ -0,0 +1,107 @@ +/**************************************************************************** + + (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 */ |