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diff --git a/libFDK/include/FDK_hybrid.h b/libFDK/include/FDK_hybrid.h deleted file mode 100644 index 63f2d70..0000000 --- a/libFDK/include/FDK_hybrid.h +++ /dev/null @@ -1,273 +0,0 @@ - -/* ----------------------------------------------------------------------------------------------------------- -Software License for The Fraunhofer FDK AAC Codec Library for Android - -© Copyright 1995 - 2013 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. - All rights reserved. - - 1. INTRODUCTION -The Fraunhofer FDK AAC Codec Library for Android ("FDK AAC Codec") is software that implements -the MPEG Advanced Audio Coding ("AAC") encoding and decoding scheme for digital audio. -This FDK AAC Codec software is intended to be used on a wide variety of Android devices. - -AAC's HE-AAC and HE-AAC v2 versions are regarded as today's most efficient general perceptual -audio codecs. AAC-ELD is considered the best-performing full-bandwidth communications codec by -independent studies and is widely deployed. AAC has been standardized by ISO and IEC as part -of the MPEG specifications. - -Patent licenses for necessary patent claims for the FDK AAC Codec (including those of Fraunhofer) -may be obtained through Via Licensing (www.vialicensing.com) or through the respective patent owners -individually for the purpose of encoding or decoding bit streams in products that are compliant with -the ISO/IEC MPEG audio standards. Please note that most manufacturers of Android devices already license -these patent claims through Via Licensing or directly from the patent owners, and therefore FDK AAC Codec -software may already be covered under those patent licenses when it is used for those licensed purposes only. - -Commercially-licensed AAC software libraries, including floating-point versions with enhanced sound quality, -are also available from Fraunhofer. Users are encouraged to check the Fraunhofer website for additional -applications information and documentation. - -2. COPYRIGHT LICENSE - -Redistribution and use in source and binary forms, with or without modification, are permitted without -payment of copyright license fees provided that you satisfy the following conditions: - -You must retain the complete text of this software license in redistributions of the FDK AAC Codec or -your modifications thereto in source code form. - -You must retain the complete text of this software license in the documentation and/or other materials -provided with redistributions of the FDK AAC Codec or your modifications thereto in binary form. -You must make available free of charge copies of the complete source code of the FDK AAC Codec and your -modifications thereto to recipients of copies in binary form. - -The name of Fraunhofer may not be used to endorse or promote products derived from this library without -prior written permission. - -You may not charge copyright license fees for anyone to use, copy or distribute the FDK AAC Codec -software or your modifications thereto. - -Your modified versions of the FDK AAC Codec must carry prominent notices stating that you changed the software -and the date of any change. For modified versions of the FDK AAC Codec, the term -"Fraunhofer FDK AAC Codec Library for Android" must be replaced by the term -"Third-Party Modified Version of the Fraunhofer FDK AAC Codec Library for Android." - -3. NO PATENT LICENSE - -NO EXPRESS OR IMPLIED LICENSES TO ANY PATENT CLAIMS, including without limitation the patents of Fraunhofer, -ARE GRANTED BY THIS SOFTWARE LICENSE. Fraunhofer provides no warranty of patent non-infringement with -respect to this software. - -You may use this FDK AAC Codec software or modifications thereto only for purposes that are authorized -by appropriate patent licenses. - -4. DISCLAIMER - -This FDK AAC Codec software is provided by Fraunhofer on behalf of the copyright holders and contributors -"AS IS" and WITHOUT ANY EXPRESS OR IMPLIED WARRANTIES, including but not limited to the implied warranties -of merchantability and fitness for a particular purpose. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR -CONTRIBUTORS BE LIABLE for any direct, indirect, incidental, special, exemplary, or consequential damages, -including but not limited to procurement of substitute goods or services; loss of use, data, or profits, -or business interruption, however caused and on any theory of liability, whether in contract, strict -liability, or tort (including negligence), arising in any way out of the use of this software, even if -advised of the possibility of such damage. - -5. CONTACT INFORMATION - -Fraunhofer Institute for Integrated Circuits IIS -Attention: Audio and Multimedia Departments - FDK AAC LL -Am Wolfsmantel 33 -91058 Erlangen, Germany - -www.iis.fraunhofer.de/amm -amm-info@iis.fraunhofer.de ------------------------------------------------------------------------------------------------------------ */ - -/*************************** Fraunhofer IIS FDK Tools ********************** - - Author(s): Markus Lohwasser - Description: FDK Tools Hybrid Filterbank - -******************************************************************************/ - -#ifndef __FDK_HYBRID_H -#define __FDK_HYBRID_H - - - -#include "common_fix.h" - -/*--------------- enums -------------------------------*/ - -/** - * Hybrid Filterband modes. - */ -typedef enum { - THREE_TO_TEN, - THREE_TO_TWELVE, - THREE_TO_SIXTEEN - -} FDK_HYBRID_MODE; - - -/*--------------- structure definitions ---------------*/ -typedef struct FDK_HYBRID_SETUP *HANDLE_FDK_HYBRID_SETUP; - -typedef struct -{ - FIXP_DBL *bufferLFReal[3]; /*!< LF real filter states. */ - FIXP_DBL *bufferLFImag[3]; /*!< LF imag filter states. */ - FIXP_DBL *bufferHFReal[13]; /*!< HF real delay lines. */ - FIXP_DBL *bufferHFImag[13]; /*!< HF imag delay lines. */ - - INT bufferLFpos; /*!< Position to write incoming data into ringbuffer. */ - INT bufferHFpos; /*!< Delay line positioning. */ - INT nrBands; /*!< Number of QMF bands. */ - INT cplxBands; /*!< Number of complex QMF bands.*/ - UCHAR hfMode; /*!< Flag signalizes treatment of HF bands. */ - - FIXP_DBL *pLFmemory; /*!< Pointer to LF states buffer. */ - FIXP_DBL *pHFmemory; /*!< Pointer to HF states buffer. */ - - UINT LFmemorySize; /*!< Size of LF states buffer. */ - UINT HFmemorySize; /*!< Size of HF states buffer. */ - - HANDLE_FDK_HYBRID_SETUP pSetup; /*!< Pointer to filter setup. */ - -} FDK_ANA_HYB_FILTER; - - -typedef struct -{ - INT nrBands; /*!< Number of QMF bands. */ - INT cplxBands; /*!< Number of complex QMF bands.*/ - - HANDLE_FDK_HYBRID_SETUP pSetup; /*!< Pointer to filter setup. */ - -} FDK_SYN_HYB_FILTER; - -typedef FDK_ANA_HYB_FILTER *HANDLE_FDK_ANA_HYB_FILTER; -typedef FDK_SYN_HYB_FILTER *HANDLE_FDK_SYN_HYB_FILTER; - - -/** - * \brief Create one instance of Hybrid Analyis Filterbank. - * - * \param hAnalysisHybFilter Pointer to an outlying allocated Hybrid Analysis Filterbank structure. - * \param pLFmemory Pointer to outlying buffer used LF filtering. - * \param LFmemorySize Size of pLFmemory in bytes. - * \param pHFmemory Pointer to outlying buffer used HF delay line. - * \param HFmemorySize Size of pLFmemory in bytes. - * - * \return 0 on success. - */ -INT FDKhybridAnalysisOpen( - HANDLE_FDK_ANA_HYB_FILTER hAnalysisHybFilter, - FIXP_DBL *const pLFmemory, - const UINT LFmemorySize, - FIXP_DBL *const pHFmemory, - const UINT HFmemorySize - ); - - -/** - * \brief Initialize and configure Hybrdid Analysis Filterbank instance. - * - * \param hAnalysisHybFilter A Hybrid Analysis Filterbank handle. - * \param mode Select hybrid filter configuration. - * \param qmfBands Number of qmf bands to be processed. - * \param cplxBands Number of complex qmf bands to be processed. - * \param initStatesFlag Indicates whether the states buffer has to be cleared. - * - * \return 0 on success. - */ -INT FDKhybridAnalysisInit( - HANDLE_FDK_ANA_HYB_FILTER hAnalysisHybFilter, - const FDK_HYBRID_MODE mode, - const INT qmfBands, - const INT cplxBands, - const INT initStatesFlag - ); - - -/** - * \brief Adjust Hybrdid Analysis Filterbank states. - * - * \param hAnalysisHybFilter A Hybrid Analysis Filterbank handle. - * \param scalingValue Scaling value to be applied on filter states. - * - * \return 0 on success. - */ -INT FDKhybridAnalysisScaleStates( - HANDLE_FDK_ANA_HYB_FILTER hAnalysisHybFilter, - const INT scalingValue - ); - - -/** - * \brief Apply Hybrid Analysis Filterbank on Qmf input data. - * - * \param hAnalysisHybFilter A Hybrid Analysis Filterbank handle. - * \param pQmfReal Qmf input data. - * \param pQmfImag Qmf input data. - * \param pHybridReal Hybrid output data. - * \param pHybridImag Hybrid output data. - * - * \return 0 on success. - */ -INT FDKhybridAnalysisApply( - HANDLE_FDK_ANA_HYB_FILTER hAnalysisHybFilter, - const FIXP_DBL *const pQmfReal, - const FIXP_DBL *const pQmfImag, - FIXP_DBL *const pHybridReal, - FIXP_DBL *const pHybridImag - ); - - -/** - * \brief Close a Hybrid Analysis Filterbank instance. - * - * \param hAnalysisHybFilter Pointer to a Hybrid Analysis Filterbank instance. - * - * \return 0 on success. - */ -INT FDKhybridAnalysisClose( - HANDLE_FDK_ANA_HYB_FILTER hAnalysisHybFilter - ); - -/** - * \brief Initialize and configure Hybrdid Synthesis Filterbank instance. - * - * \param hSynthesisHybFilter A Hybrid Synthesis Filterbank handle. - * \param mode Select hybrid filter configuration. - * \param qmfBands Number of qmf bands to be processed. - * \param cplxBands Number of complex qmf bands to be processed. - * - * \return 0 on success. - */ -INT FDKhybridSynthesisInit( - HANDLE_FDK_SYN_HYB_FILTER hSynthesisHybFilter, - const FDK_HYBRID_MODE mode, - const INT qmfBands, - const INT cplxBands - ); - -/** - * \brief Apply Hybrid Analysis Filterbank on Hybrid data. - * - * \param hSynthesisHybFilter A Hybrid Analysis Filterbandk handle. - * \param pHybridReal Hybrid input data. - * \param pHybridImag Hybrid input data. - * \param pQmfReal Qmf output data. - * \param pQmfImag Qmf output data. - * - * \return 0 on success. - */ -INT FDKhybridSynthesisApply( - HANDLE_FDK_SYN_HYB_FILTER hSynthesisHybFilter, - const FIXP_DBL *const pHybridReal, - const FIXP_DBL *const pHybridImag, - FIXP_DBL *const pQmfReal, - FIXP_DBL *const pQmfImag - ); - - -#endif /* __FDK_HYBRID_H */ |