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Diffstat (limited to 'libMpegTPDec/include/tp_data.h')
| -rw-r--r-- | libMpegTPDec/include/tp_data.h | 277 |
1 files changed, 277 insertions, 0 deletions
diff --git a/libMpegTPDec/include/tp_data.h b/libMpegTPDec/include/tp_data.h new file mode 100644 index 0000000..6149608 --- /dev/null +++ b/libMpegTPDec/include/tp_data.h @@ -0,0 +1,277 @@ +/***************************** MPEG-4 AAC Decoder ************************** + + (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. + + + $Id$ + Author(s): Manuel Jander + Description: MPEG Transport data tables + + 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. + +******************************************************************************/ +#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__ */ |