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Diffstat (limited to 'libSBRdec/src/sbr_ram.h')
-rw-r--r-- | libSBRdec/src/sbr_ram.h | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/libSBRdec/src/sbr_ram.h b/libSBRdec/src/sbr_ram.h new file mode 100644 index 0000000..378d3c9 --- /dev/null +++ b/libSBRdec/src/sbr_ram.h @@ -0,0 +1,100 @@ +/**************************************************************************** + + (C) Copyright Fraunhofer IIS (2005) + 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 Memory layout +$Revision: 36841 $ +*/ +#ifndef _SBR_RAM_H_ +#define _SBR_RAM_H_ + +#include "sbrdecoder.h" + +#include "env_extr.h" +#include "sbr_dec.h" + + + +#define SBRDEC_MAX_CH_PER_ELEMENT (2) + +typedef struct +{ + SBR_CHANNEL *pSbrChannel[SBRDEC_MAX_CH_PER_ELEMENT]; + TRANSPOSER_SETTINGS transposerSettings; /* Common transport settings for each individual channel of an element */ + HANDLE_FDK_BITSTREAM hBs; + + MP4_ELEMENT_ID elementID; /* Element ID set during initialization. Can be used for concealment */ + int nChannels; /* Number of elements output channels (=2 in case of PS) */ + + UCHAR frameErrorFlag[(1)+1]; /* Frame error status (for every slot in the delay line). + Will be copied into header at the very beginning of decodeElement() routine. */ + + UCHAR useFrameSlot; /* Index which defines which slot will be decoded/filled next (used with additional delay) */ + UCHAR useHeaderSlot[(1)+1]; /* Index array that provides the link between header and frame data + (important when processing with additional delay). */ +} SBR_DECODER_ELEMENT; + + +struct SBR_DECODER_INSTANCE +{ + SBR_DECODER_ELEMENT *pSbrElement[(4)]; + SBR_HEADER_DATA sbrHeader[(4)][(1)+1]; /* Sbr header for each individual channel of an element */ + + FIXP_DBL *workBuffer1; + FIXP_DBL *workBuffer2; + + HANDLE_PS_DEC hParametricStereoDec; + + /* Global parameters */ + AUDIO_OBJECT_TYPE coreCodec; /* AOT of core codec */ + int numSbrElements; + int numSbrChannels; + INT sampleRateIn; /* SBR decoder input sampling rate; might be different than the transposer input sampling rate. */ + INT sampleRateOut; /* Sampling rate of the SBR decoder output audio samples. */ + USHORT codecFrameSize; + UCHAR synDownsampleFac; + UCHAR numDelayFrames; /* The current number of additional delay frames used for processing. */ + + UINT flags; + +}; + +H_ALLOC_MEM(Ram_SbrDecElement, SBR_DECODER_ELEMENT) +H_ALLOC_MEM(Ram_SbrDecChannel, SBR_CHANNEL) +H_ALLOC_MEM(Ram_SbrDecoder, struct SBR_DECODER_INSTANCE) + +H_ALLOC_MEM(Ram_sbr_QmfStatesSynthesis, FIXP_QSS) +H_ALLOC_MEM(Ram_sbr_OverlapBuffer, FIXP_DBL) + + +H_ALLOC_MEM(Ram_ps_dec, PS_DEC) + + +H_ALLOC_MEM_OVERLAY(Ram_SbrDecWorkBuffer1, FIXP_DBL) +H_ALLOC_MEM_OVERLAY(Ram_SbrDecWorkBuffer2, FIXP_DBL) + + +#endif /* _SBR_RAM_H_ */ |