diff options
Diffstat (limited to 'libMpegTPDec/include')
| -rw-r--r-- | libMpegTPDec/include/mpegFileRead.h | 194 | ||||
| -rw-r--r-- | libMpegTPDec/include/tp_data.h | 340 | ||||
| -rw-r--r-- | libMpegTPDec/include/tpdec_lib.h | 514 |
3 files changed, 0 insertions, 1048 deletions
diff --git a/libMpegTPDec/include/mpegFileRead.h b/libMpegTPDec/include/mpegFileRead.h deleted file mode 100644 index 1fbfb58..0000000 --- a/libMpegTPDec/include/mpegFileRead.h +++ /dev/null @@ -1,194 +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 ------------------------------------------------------------------------------------------------------------ */ - -/***************************** MPEG-4 AAC Decoder ************************** - - Author(s): Manuel Jander - Description: Bitstream data provider for MP4 decoders - -******************************************************************************/ - -#include "machine_type.h" -#include "FDK_audio.h" - -#define MPFREAD_MP4FF_DISABLE - -#ifndef MPFREAD_MP4FF_DISABLE - /*!< If MPFREAD_MP4FF_ENABLE is set, include support for MPEG ISO fileformat. - If not set, no .mp4, .m4a and .3gp files can be used for input. */ - #define MPFREAD_MP4FF_ENABLE -#endif - -/* maximum number of layers which can be read */ -/* shall equal max number of layers read by iisisoff */ -#define FILEREAD_MAX_LAYERS (2) - -typedef struct STRUCT_FILEREAD *HANDLE_FILEREAD; - -#ifdef __cplusplus -extern "C" { -#endif - -/** - * \brief Open an MPEG audio file and try to detect its format. - * \param filename String of the filename to be opened. - * \param fileFormat Skip file format detection and use given format if fileFormat != FF_UNKNOWN. - Else store detected format into *fileFmt. - * \param transportType Skip transport type detection and use given format if transportType != TT_UNKNOWN. - Else store detected format into *fileFmt. - * \param conf Pointer to unsigned char to hold the AudioSpecificConfig of the input file, if - any (MPEG 4 file format). In case of RAW LATM it holds the StreamMuxConfig. - * \param confSize Pointer to an integer, where the length of the ASC or SMC (in case of RAW LATM) - is stored to. - * \return MPEG file read handle. - */ -HANDLE_FILEREAD mpegFileRead_Open( const char *filename, - FILE_FORMAT fileFormat, - TRANSPORT_TYPE transportType, - UCHAR *conf[], - UINT confSize[], - INT *noOfLayers - ); - -/** - * \brief Get the file format of the input file. - * \param hDataSrc MPEG file read handle. - * \return File format of the input file. - */ -FILE_FORMAT mpegFileRead_GetFileFormat(HANDLE_FILEREAD hDataSrc); - -/** - * \brief Get the transport type of the input file. - * \param hDataSrc MPEG file read handle. - * \return Transport type of the input file. - */ -TRANSPORT_TYPE mpegFileRead_GetTransportType(HANDLE_FILEREAD hDataSrc); - -/** - * \brief Read data from MPEG file. In case of packet file, read one packet, in case - * of streaming file with embedded synchronisation layer (LOAS/ADTS...), just - * fill the buffer. - * - * \param hMpegFile MPEG file read handle. - * \param inBuffer Pointer to input buffer. - * \param bufferSize Size of input buffer. - * \param bytesValid Number of bytes that were read. - * \return 0 on success, -1 if unsupported file format or file read error. - */ -int mpegFileRead_Read( HANDLE_FILEREAD hMpegFile, - UCHAR *inBuffer[], - UINT bufferSize, - UINT *bytesValid - ); - -/** - * \brief Seek in file from origin by given offset in frames. - * \param hMpegFile MPEG file read handle. - * \param origin If 0, the origin is the file beginning (absolute seek). - * If 1, the origin is the current position (relative seek). - * \param offset The amount of frames to seek from the given origin. - * \return 0 on sucess, -1 if offset < 0 or file read error. - */ -int mpegFileRead_seek( HANDLE_FILEREAD hMpegFile, - INT origin, - INT offset - ); - -/** - * \brief Get file position in percent. - * \param hMpegFile MPEG file read handle. - * \return File position in percent. - */ -int mpegFileRead_getPercent(HANDLE_FILEREAD hMpegFile); - - -/** - * \brief Close MPEG audio file. - * \param hMpegFile Mpeg file read handle. - * \return 0 on sucess. - */ -int mpegFileRead_Close(HANDLE_FILEREAD *hMpegFile); - -#ifdef __cplusplus -} -#endif diff --git a/libMpegTPDec/include/tp_data.h b/libMpegTPDec/include/tp_data.h deleted file mode 100644 index 5269858..0000000 --- a/libMpegTPDec/include/tp_data.h +++ /dev/null @@ -1,340 +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 ------------------------------------------------------------------------------------------------------------ */ - -/***************************** 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__ */ diff --git a/libMpegTPDec/include/tpdec_lib.h b/libMpegTPDec/include/tpdec_lib.h deleted file mode 100644 index fb4c41d..0000000 --- a/libMpegTPDec/include/tpdec_lib.h +++ /dev/null @@ -1,514 +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 ------------------------------------------------------------------------------------------------------------ */ - -/************************** MPEG-4 Transport Decoder *********************** - - Author(s): Manuel Jander - Description: MPEG Transport decoder - -******************************************************************************/ - -#ifndef __TPDEC_LIB_H__ -#define __TPDEC_LIB_H__ - -#include "tp_data.h" - -#include "FDK_bitstream.h" - -#define TRANSPORTDEC_INBUF_SIZE ( 8192 ) /*!< Size is in bytes. - Set the transport input buffer size carefully and - assure that it fulfills the requirements of the - supported transport format(s). */ - -typedef enum { - TRANSPORTDEC_OK = 0, /*!< All fine. */ - - /* Synchronization errors. Wait for new input data and try again. */ - tpdec_sync_error_start = 0x100, - TRANSPORTDEC_NOT_ENOUGH_BITS, /*!< Out of bits. Provide more bits and try again. */ - TRANSPORTDEC_SYNC_ERROR, /*!< No sync was found or sync got lost. Keep trying. */ - tpdec_sync_error_end, - - /* Decode errors. Mostly caused due to bit errors. */ - tpdec_decode_error_start = 0x400, - TRANSPORTDEC_PARSE_ERROR, /*!< Bitstream data showed inconsistencies (wrong syntax). */ - TRANSPORTDEC_UNSUPPORTED_FORMAT, /*!< Unsupported format or feature found in the bitstream data. */ - TRANSPORTDEC_CRC_ERROR, /*!< CRC error encountered in bitstream data. */ - tpdec_decode_error_end, - - /* Fatal errors. Stop immediately on one of these errors! */ - tpdec_fatal_error_start = 0x200, - TRANSPORTDEC_UNKOWN_ERROR, /*!< An unknown error occured. */ - TRANSPORTDEC_INVALID_PARAMETER, /*!< An invalid parameter was passed to a function. */ - TRANSPORTDEC_NEED_TO_RESTART, /*!< The decoder needs to be restarted, since the requiered - configuration change cannot be performed. */ - tpdec_fatal_error_end - -} TRANSPORTDEC_ERROR; - - -/** Macro to identify decode errors. */ -#define TPDEC_IS_DECODE_ERROR(err) ( ((err>=tpdec_decode_error_start) && (err<=tpdec_decode_error_end)) ? 1 : 0) -/** Macro to identify fatal errors. */ -#define TPDEC_IS_FATAL_ERROR(err) ( ((err>=tpdec_fatal_error_start) && (err<=tpdec_fatal_error_end)) ? 1 : 0) - - -/** - * \brief Parameter identifiers for transportDec_SetParam() - */ -typedef enum { - TPDEC_PARAM_MINIMIZE_DELAY = 1, /** Delay minimization strategy. 0: none, 1: discard as many frames as possible. */ - TPDEC_PARAM_EARLY_CONFIG, /** Enable early config discovery. */ - TPDEC_PARAM_IGNORE_BUFFERFULLNESS, /** Ignore buffer fullness. */ - TPDEC_PARAM_SET_BITRATE, /** Set average bit rate for bit stream interruption frame misses estimation. */ - TPDEC_PARAM_RESET, /** Reset transport decoder instance status. */ - TPDEC_PARAM_BURST_PERIOD /** Set data reception burst period in mili seconds. */ -} TPDEC_PARAM; - -/* 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 - - -/*! - \brief Reset Program Config Element. - \param pPce Program Config Element structure. - \return void -*/ -void CProgramConfig_Reset ( CProgramConfig *pPce ); - -/*! - \brief Initialize Program Config Element. - \param pPce Program Config Element structure. - \return void -*/ -void CProgramConfig_Init ( CProgramConfig *pPce ); - -/*! - \brief Inquire state of present Program Config Element structure. - \param pPce Program Config Element structure. - \return 1 if the PCE structure is filled correct, - 0 if no valid PCE present. -*/ -int CProgramConfig_IsValid ( const CProgramConfig *pPce ); - -#ifdef TP_PCE_ENABLE -/*! - \brief Read Program Config Element. - \param pPce Program Config Element structure. - \param bs Bitstream buffer to read from. - \param alignAnchor Align bitstream to alignAnchor bits after all read operations. - \return void -*/ -void CProgramConfig_Read ( CProgramConfig *pPce, - HANDLE_FDK_BITSTREAM bs, - UINT alignAnchor ); - -/*! - \brief Compare two Program Config Elements. - \param pPce1 Pointer to first Program Config Element structure. - \param pPce2 Pointer to second Program Config Element structure. - \return -1 if PCEs are completely different, - 0 if PCEs are completely equal, - 1 if PCEs are different but have the same channel config, - 2 if PCEs have different channel config but same number of channels. -*/ -int CProgramConfig_Compare ( const CProgramConfig * const pPce1, - const CProgramConfig * const pPce2 ); - -/*! - \brief Get a Program Config Element that matches the predefined MPEG-4 channel configurations 1-14. - \param pPce Program Config Element structure. - \param channelConfig MPEG-4 channel configuration. - \return void -*/ -void CProgramConfig_GetDefault ( CProgramConfig *pPce, - const UINT channelConfig ); -#endif /* TP_PCE_ENABLE */ - -/** - * \brief Lookup and verify a given element. The decoder calls this - * method with every new element ID found in the bitstream. - * - * \param pPce A valid Program config structure. - * \param tag Tag of the current element to be looked up. - * \param channelIdx The current channel count of the decoder parser. - * \param chMapping Array to store the canonical channel mapping indexes. - * \param chType Array to store the audio channel type. - * \param chIndex Array to store the individual audio channel type index. - * \param elMapping Pointer where the canonical element index is stored. - * \param elType The element id of the current element to be looked up. - * - * \return Non-zero if the element belongs to the current program, zero - * if it does not. - */ -int CProgramConfig_LookupElement( - CProgramConfig *pPce, - UINT channelConfig, - const UINT tag, - const UINT channelIdx, - UCHAR chMapping[], - AUDIO_CHANNEL_TYPE chType[], - UCHAR chIndex[], - UCHAR *elMapping, - MP4_ELEMENT_ID elList[], - MP4_ELEMENT_ID elType - ); - -/** - * \brief Get table of elements in canonical order. - * \param pPce A valid program config structure. - * \param table An array where the element IDs are stored. - * \return Total element count including all SCE, CPE and LFE. - */ -int CProgramConfig_GetElementTable( const CProgramConfig *pPce, - MP4_ELEMENT_ID table[], - const INT elListSize ); - -/** - * \brief Initialize a given AudioSpecificConfig structure. - * \param pAsc A pointer to an allocated CSAudioSpecificConfig struct. - * \return void - */ -void AudioSpecificConfig_Init(CSAudioSpecificConfig *pAsc); - -/** - * \brief Parse a AudioSpecificConfig from a given bitstream handle. - * - * \param pAsc A pointer to an allocated CSAudioSpecificConfig struct. - * \param hBs Bitstream handle. - * \param fExplicitBackwardCompatible Do explicit backward compatibility parsing if set (flag). - * \param cb pointer to structure holding callback information - * - * \return Total element count including all SCE, CPE and LFE. - */ -TRANSPORTDEC_ERROR AudioSpecificConfig_Parse( - CSAudioSpecificConfig *pAsc, - HANDLE_FDK_BITSTREAM hBs, - int fExplicitBackwardCompatible, - CSTpCallBacks *cb - ); - -/* CELP stuff */ -enum { - MPE = 0, - RPE = 1, - fs8KHz = 0, - fs16KHz = 1 -}; - -/* Defintion of flags that can be passed to transportDecOpen() */ -#define TP_FLAG_MPEG4 1 - -/* Capability flags */ -#define CAPF_TPDEC_ADIF 0x00001000 /**< Flag indicating support for ADIF transport format. */ -#define CAPF_TPDEC_ADTS 0x00002000 /**< Flag indicating support for ADTS transport format. */ -#define CAPF_TPDEC_LOAS 0x00004000 /**< Flag indicating support for LOAS transport format. */ -#define CAPF_TPDEC_LATM 0x00008000 /**< Flag indicating support for LATM transport format. */ -#define CAPF_TPDEC_RAWPACKETS 0x00010000 /**< Flag indicating support for raw packets transport format. */ - -typedef struct TRANSPORTDEC *HANDLE_TRANSPORTDEC; - - -/** - * \brief Configure Transport Decoder via a binary coded AudioSpecificConfig or StreamMuxConfig. - * The previously requested configuration callback will be called as well. The buffer conf - * must containt a SMC in case of LOAS/LATM transport format, and an ASC elseways. - * - * \param hTp Handle of a transport decoder. - * \param conf UCHAR buffer of the binary coded config (ASC or SMC). - * \param length The length in bytes of the conf buffer. - * - * \return Error code. - */ -TRANSPORTDEC_ERROR transportDec_OutOfBandConfig( const HANDLE_TRANSPORTDEC hTp, - UCHAR *conf, - const UINT length, - const UINT layer ); - -/** - * \brief Open Transport medium for reading. - * - * \param transportDecFmt Format of the transport decoder medium to be accessed. - * \param flags Transport decoder flags. Currently only TP_FLAG_MPEG4, which signals a - * MPEG4 capable decoder (relevant for ADTS only). - * - * \return A pointer to a valid and allocated HANDLE_TRANSPORTDEC or a null pointer on failure. - */ -HANDLE_TRANSPORTDEC transportDec_Open( TRANSPORT_TYPE transportDecFmt, - const UINT flags ); - -/** - * \brief Register configuration change callback. - * \param hTp Handle of transport decoder. - * \param cbUpdateConfig Pointer to a callback function to handle audio config changes. - * \param user_data void pointer for user data passed to the callback as first parameter. - * \return 0 on success. - */ -int transportDec_RegisterAscCallback ( - HANDLE_TRANSPORTDEC hTp, - const cbUpdateConfig_t cbUpdateConfig, - void* user_data ); - -/** - * \brief Register SSC parser callback. - * \param hTp Handle of transport decoder. - * \param cbUpdateConfig Pointer to a callback function to handle SSC parsing. - * \param user_data void pointer for user data passed to the callback as first parameter. - * \return 0 on success. - */ -int transportDec_RegisterSscCallback ( - HANDLE_TRANSPORTDEC hTp, - const cbSsc_t cbSscParse, - void* user_data ); - -/** - * \brief Register SBR header parser callback. - * \param hTp Handle of transport decoder. - * \param cbUpdateConfig Pointer to a callback function to handle SBR header parsing. - * \param user_data void pointer for user data passed to the callback as first parameter. - * \return 0 on success. - */ -int transportDec_RegisterSbrCallback( HANDLE_TRANSPORTDEC hTpDec, const cbSbr_t cbSbr, void* user_data); - -/** - * \brief Fill internal input buffer with bitstream data from the external input buffer. - * The function only copies such data as long as the decoder-internal input buffer is not full. - * So it grabs whatever it can from pBuffer and returns information (bytesValid) so that at a - * subsequent call of %transportDec_FillData(), the right position in pBuffer can be determined to - * grab the next data. - * - * \param hTp Handle of transportDec. - * \param pBuffer Pointer to external input buffer. - * \param bufferSize Size of external input buffer. This argument is required because decoder-internally - * we need the information to calculate the offset to pBuffer, where the next - * available data is, which is then fed into the decoder-internal buffer (as much - * as possible). Our example framework implementation fills the buffer at pBuffer - * again, once it contains no available valid bytes anymore (meaning bytesValid equal 0). - * \param bytesValid Number of bitstream bytes in the external bitstream buffer that have not yet been - * copied into the decoder's internal bitstream buffer by calling this function. - * The value is updated according to the amount of newly copied bytes. - * \param layer The layer the bitstream belongs to. - * \return Error code. - */ -TRANSPORTDEC_ERROR transportDec_FillData( - const HANDLE_TRANSPORTDEC hTp, - UCHAR *pBuffer, - const UINT bufferSize, - UINT *pBytesValid, - const INT layer ); - -/** - * \brief Get transportDec bitstream handle. - * \param hTp Pointer to a transport decoder handle. - * \return HANDLE_FDK_BITSTREAM bitstream handle. - */ -HANDLE_FDK_BITSTREAM transportDec_GetBitstream ( const HANDLE_TRANSPORTDEC hTp, const UINT layer ); - -/** - * \brief Get transport format. - * \param hTp Pointer to a transport decoder handle. - * \return The transport format. - */ -TRANSPORT_TYPE transportDec_GetFormat ( const HANDLE_TRANSPORTDEC hTp ); - -/** - * \brief Get the current buffer fullness value. - * - * \param hTp Handle of a transport decoder. - * - * \return Buffer fullness - */ -INT transportDec_GetBufferFullness( const HANDLE_TRANSPORTDEC hTp ); - -/** - * \brief Close and deallocate transportDec. - * \param phTp Pointer to a previously allocated transport decoder handle. - * \return void - */ -void transportDec_Close ( HANDLE_TRANSPORTDEC *phTp ); - -/** - * \brief Read one access unit from the transportDec medium. - * \param hTp Handle of transportDec. - * \param length On return, this value is overwritten with the actual access unit length in bits. - * Set to -1 if length is unknown. - * \return Error code. - */ -TRANSPORTDEC_ERROR transportDec_ReadAccessUnit ( const HANDLE_TRANSPORTDEC hTp, const UINT layer ); - -/** - * \brief Get the remaining amount of bits of the current access unit. The result - * can be below zero, meaning that too many bits have been read. - * \param hTp Handle of transportDec. - * \return amount of remaining bits. - */ -INT transportDec_GetAuBitsRemaining( const HANDLE_TRANSPORTDEC hTp, const UINT layer ); - -/** - * \brief Get the total amount of bits of the current access unit. - * \param hTp Handle of transportDec. - * \return amount of total bits. - */ -INT transportDec_GetAuBitsTotal( const HANDLE_TRANSPORTDEC hTp, const UINT layer ); - -/** - * \brief This function is required to be called when the decoder has finished parsing - * one Access Unit for bitstream housekeeping. - * \param hTp Transport Handle. - * \return Error code. - */ -TRANSPORTDEC_ERROR transportDec_EndAccessUnit ( const HANDLE_TRANSPORTDEC hTp ); - -/** - * \brief Obtain the amount of missing access units if applicable in case of - * a bit stream synchronization error. Each time transportDec_ReadAccessUnit() - * returns TRANSPORTDEC_SYNC_ERROR this function can be called to retrieve an estimate - * of the amount of missing access units. This works only in case of constant average - * bit rate (has to be known) and if the parameter TPDEC_PARAM_SET_BITRATE has been set - * accordingly. - * \param hTp Transport Handle. - * \param pNAccessUnits pointer to a memory location where the estimated lost frame count will be stored into. - * \return Error code. - */ -TRANSPORTDEC_ERROR transportDec_GetMissingAccessUnitCount ( INT *pNAccessUnits, HANDLE_TRANSPORTDEC hTp ); - - -/** - * \brief Set a given setting. - * \param hTp Transport Handle. - * \param param Identifier of the parameter to be changed. - * \param value Value for the parameter to be changed. - * \return Error code. - */ -TRANSPORTDEC_ERROR transportDec_SetParam ( const HANDLE_TRANSPORTDEC hTp, - const TPDEC_PARAM param, - const INT value ); - -/** - * \brief Get number of subframes (for LATM or ADTS) - * \param hTp Transport Handle. - * \return Number of ADTS/LATM subframes (return 1 for all other transport types). - */ -UINT transportDec_GetNrOfSubFrames(HANDLE_TRANSPORTDEC hTp); - - -/** - * \brief Get info structure of transport decoder library. - * \param info A pointer to an allocated LIB_INFO struct. - * \return Error code. - */ -TRANSPORTDEC_ERROR transportDec_GetLibInfo( LIB_INFO *info ); - -/* ADTS CRC support */ - -/** - * \brief Set current bitstream position as start of a new data region. - * \param hTp Transport handle. - * \param mBits Size in bits of the data region. Set to 0 if it should not be of a fixed size. - * \return Data region ID, which should be used when calling transportDec_CrcEndReg(). - */ -int transportDec_CrcStartReg ( const HANDLE_TRANSPORTDEC hTp, - const INT mBits ); - -/** - * \brief Set end of data region. - * \param hTp Transport handle. - * \param reg Data region ID, opbtained from transportDec_CrcStartReg(). - * \return void - */ -void transportDec_CrcEndReg ( const HANDLE_TRANSPORTDEC hTp, - const INT reg ); - -/** - * \brief Calculate ADTS crc and check if it is correct. The ADTS checksum is held internally. - * \param hTp Transport handle. - * \return Return TRANSPORTDEC_OK if the CRC is ok, or error if CRC is not correct. - */ -TRANSPORTDEC_ERROR transportDec_CrcCheck ( const HANDLE_TRANSPORTDEC hTp ); - - -#endif /* #ifndef __TPDEC_LIB_H__ */ |