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-
-/* -----------------------------------------------------------------------------------------------------------
-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
------------------------------------------------------------------------------------------------------------ */
-
-/***************************** MPEG-4 AAC Decoder **************************
-
- Author(s): Manuel Jander
- Description: MPEG Transport data tables
-
-******************************************************************************/
-
-#ifndef __TP_DATA_H__
-#define __TP_DATA_H__
-
-#include "machine_type.h"
-#include "FDK_audio.h"
-#include "FDK_bitstream.h"
-
-/*
- * Configuration
- */
-#define TP_GA_ENABLE
-/* #define TP_CELP_ENABLE */
-/* #define TP_HVXC_ENABLE */
-/* #define TP_SLS_ENABLE */
-#define TP_ELD_ENABLE
-/* #define TP_USAC_ENABLE */
-/* #define TP_RSVD50_ENABLE */
-
-#if defined(TP_GA_ENABLE) || defined(TP_SLS_ENABLE)
-#define TP_PCE_ENABLE /**< Enable full PCE support */
-#endif
-
-/**
- * ProgramConfig struct.
- */
-/* ISO/IEC 14496-3 4.4.1.1 Table 4.2 Program config element */
-#define PC_FSB_CHANNELS_MAX 16 /* Front/Side/Back channels */
-#define PC_LFE_CHANNELS_MAX 4
-#define PC_ASSOCDATA_MAX 8
-#define PC_CCEL_MAX 16 /* CC elements */
-#define PC_COMMENTLENGTH 256
-
-typedef struct
-{
-#ifdef TP_PCE_ENABLE
- /* PCE bitstream elements: */
- UCHAR ElementInstanceTag;
- UCHAR Profile;
- UCHAR SamplingFrequencyIndex;
- UCHAR NumFrontChannelElements;
- UCHAR NumSideChannelElements;
- UCHAR NumBackChannelElements;
- UCHAR NumLfeChannelElements;
- UCHAR NumAssocDataElements;
- UCHAR NumValidCcElements;
-
- UCHAR MonoMixdownPresent;
- UCHAR MonoMixdownElementNumber;
-
- UCHAR StereoMixdownPresent;
- UCHAR StereoMixdownElementNumber;
-
- UCHAR MatrixMixdownIndexPresent;
- UCHAR MatrixMixdownIndex;
- UCHAR PseudoSurroundEnable;
-
- UCHAR FrontElementIsCpe[PC_FSB_CHANNELS_MAX];
- UCHAR FrontElementTagSelect[PC_FSB_CHANNELS_MAX];
-
- UCHAR SideElementIsCpe[PC_FSB_CHANNELS_MAX];
- UCHAR SideElementTagSelect[PC_FSB_CHANNELS_MAX];
-
- UCHAR BackElementIsCpe[PC_FSB_CHANNELS_MAX];
- UCHAR BackElementTagSelect[PC_FSB_CHANNELS_MAX];
-
- UCHAR LfeElementTagSelect[PC_LFE_CHANNELS_MAX];
-
- UCHAR AssocDataElementTagSelect[PC_ASSOCDATA_MAX];
-
- UCHAR CcElementIsIndSw[PC_CCEL_MAX];
- UCHAR ValidCcElementTagSelect[PC_CCEL_MAX];
-
- UCHAR CommentFieldBytes;
- UCHAR Comment[PC_COMMENTLENGTH];
-#endif /* TP_PCE_ENABLE */
-
- /* Helper variables for administration: */
- UCHAR isValid; /*!< Flag showing if PCE has been read successfully. */
- UCHAR NumChannels; /*!< Amount of audio channels summing all channel elements including LFEs */
- UCHAR NumEffectiveChannels; /*!< Amount of audio channels summing only SCEs and CPEs */
- UCHAR elCounter;
-
-} CProgramConfig;
-
-typedef enum {
- ASCEXT_UNKOWN = -1,
- ASCEXT_SBR = 0x2b7,
- ASCEXT_PS = 0x548,
- ASCEXT_MPS = 0x76a,
- ASCEXT_SAOC = 0x7cb,
- ASCEXT_LDMPS = 0x7cc
-
-} TP_ASC_EXTENSION_ID;
-
-#ifdef TP_GA_ENABLE
-/**
- * GaSpecificConfig struct
- */
-typedef struct {
- UINT m_frameLengthFlag ;
- UINT m_dependsOnCoreCoder ;
- UINT m_coreCoderDelay ;
-
- UINT m_extensionFlag ;
- UINT m_extensionFlag3 ;
-
- UINT m_layer;
- UINT m_numOfSubFrame;
- UINT m_layerLength;
-
-} CSGaSpecificConfig;
-#endif /* TP_GA_ENABLE */
-
-
-
-
-#ifdef TP_ELD_ENABLE
-
-typedef enum {
- ELDEXT_TERM = 0x0, /* Termination tag */
- ELDEXT_SAOC = 0x1, /* SAOC config */
- ELDEXT_LDSAC = 0x2 /* LD MPEG Surround config */
- /* reserved */
-} ASC_ELD_EXT_TYPE;
-
-typedef struct {
- UCHAR m_frameLengthFlag;
-
- UCHAR m_sbrPresentFlag;
- UCHAR m_useLdQmfTimeAlign; /* Use LD-MPS QMF in SBR to achive time alignment */
- UCHAR m_sbrSamplingRate;
- UCHAR m_sbrCrcFlag;
-
-} CSEldSpecificConfig;
-#endif /* TP_ELD_ENABLE */
-
-
-
-
-/**
- * Audio configuration struct, suitable for encoder and decoder configuration.
- */
-typedef struct {
-
- /* XYZ Specific Data */
- union {
-#ifdef TP_GA_ENABLE
- CSGaSpecificConfig m_gaSpecificConfig; /**< General audio specific configuration. */
-#endif /* TP_GA_ENABLE */
-#ifdef TP_ELD_ENABLE
- CSEldSpecificConfig m_eldSpecificConfig; /**< ELD specific configuration. */
-#endif /* TP_ELD_ENABLE */
- } m_sc;
-
- /* Common ASC parameters */
-#ifdef TP_PCE_ENABLE
- CProgramConfig m_progrConfigElement; /**< Program configuration. */
-#endif /* TP_PCE_ENABLE */
-
- AUDIO_OBJECT_TYPE m_aot; /**< Audio Object Type. */
- UINT m_samplingFrequency; /**< Samplerate. */
- UINT m_samplesPerFrame; /**< Amount of samples per frame. */
- UINT m_directMapping; /**< Document this please !! */
-
- AUDIO_OBJECT_TYPE m_extensionAudioObjectType; /**< Audio object type */
- UINT m_extensionSamplingFrequency; /**< Samplerate */
-
- SCHAR m_channelConfiguration; /**< Channel configuration index */
-
- SCHAR m_epConfig; /**< Error protection index */
- SCHAR m_vcb11Flag; /**< aacSectionDataResilienceFlag */
- SCHAR m_rvlcFlag; /**< aacScalefactorDataResilienceFlag */
- SCHAR m_hcrFlag; /**< aacSpectralDataResilienceFlag */
-
- SCHAR m_sbrPresentFlag; /**< Flag indicating the presence of SBR data in the bitstream */
- SCHAR m_psPresentFlag; /**< Flag indicating the presence of parametric stereo data in the bitstream */
- UCHAR m_samplingFrequencyIndex; /**< Samplerate index */
- UCHAR m_extensionSamplingFrequencyIndex; /**< Samplerate index */
- SCHAR m_extensionChannelConfiguration; /**< Channel configuration index */
-
-} CSAudioSpecificConfig;
-
-typedef INT (*cbUpdateConfig_t)(void*, const CSAudioSpecificConfig*);
-typedef INT (*cbSsc_t)(
- void*, HANDLE_FDK_BITSTREAM,
- const AUDIO_OBJECT_TYPE coreCodec,
- const INT samplingFrequency,
- const INT muxMode,
- const INT configBytes
- );
-typedef INT (*cbSbr_t)(
- void * self,
- HANDLE_FDK_BITSTREAM hBs,
- const INT sampleRateIn,
- const INT sampleRateOut,
- const INT samplesPerFrame,
- const AUDIO_OBJECT_TYPE coreCodec,
- const MP4_ELEMENT_ID elementID,
- const INT elementIndex
- );
-
-typedef struct {
- cbUpdateConfig_t cbUpdateConfig; /*!< Function pointer for Config change notify callback. */
- void *cbUpdateConfigData; /*!< User data pointer for Config change notify callback. */
- cbSsc_t cbSsc; /*!< Function pointer for SSC parser callback. */
- void *cbSscData; /*!< User data pointer for SSC parser callback. */
- cbSbr_t cbSbr; /*!< Function pointer for SBR header parser callback. */
- void *cbSbrData; /*!< User data pointer for SBR header parser callback. */
-} CSTpCallBacks;
-
-static const UINT SamplingRateTable[] =
-{ 96000, 88200, 64000, 48000, 44100, 32000, 24000, 22050, 16000, 12000, 11025, 8000, 7350, 0, 0,
- 0
-};
-
-static inline
-int getSamplingRateIndex( UINT samplingRate )
-{
- UINT sf_index, tableSize=sizeof(SamplingRateTable)/sizeof(UINT);
-
- for (sf_index=0; sf_index<tableSize; sf_index++) {
- if( SamplingRateTable[sf_index] == samplingRate ) break;
- }
-
- if (sf_index>tableSize-1) {
- return tableSize-1;
- }
-
- return sf_index;
-}
-
-/*
- * Get Channel count from channel configuration
- */
-static inline int getNumberOfTotalChannels(int channelConfig)
-{
- if (channelConfig > 0 && channelConfig < 8)
- return (channelConfig == 7)?8:channelConfig;
- else
- return 0;
-}
-
-static inline
-int getNumberOfEffectiveChannels(const int channelConfig)
-{
- const int n[] = {0,1,2,3,4,5,5,7};
- return n[channelConfig];
-}
-
-#endif /* __TP_DATA_H__ */