diff options
Diffstat (limited to 'libMpegTPEnc/include')
| -rw-r--r-- | libMpegTPEnc/include/mpegFileWrite.h | 78 | ||||
| -rw-r--r-- | libMpegTPEnc/include/tp_data.h | 277 | ||||
| -rw-r--r-- | libMpegTPEnc/include/tpenc_lib.h | 234 |
3 files changed, 589 insertions, 0 deletions
diff --git a/libMpegTPEnc/include/mpegFileWrite.h b/libMpegTPEnc/include/mpegFileWrite.h new file mode 100644 index 0000000..c515d0c --- /dev/null +++ b/libMpegTPEnc/include/mpegFileWrite.h @@ -0,0 +1,78 @@ +/***************************** MPEG-4 AAC Decoder ************************** + + (C) Copyright Fraunhofer IIS (2006) + 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: Bitstream data provider for MP4 decoders + + 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. + +******************************************************************************/ + +#include "machine_type.h" +#include "FDK_audio.h" + +/*!< If MPFWRITE_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 MPFWRITE_MP4FF_ENABLE */ + +typedef struct STRUCT_FILEWRITE *HANDLE_FILEWRITE; + +#ifdef __cplusplus +extern "C" { +#endif + +/** + * \brief Open an MPEG audio file. + * \param mpegFileWrite_Filename String of the filename to be opened. + * \param fileFmt Transport format to use. + * \param conf + * \param confSize + * \return MPEG file write handle. + */ +HANDLE_FILEWRITE mpegFileWrite_Open( char *mpegFileWrite_Filename, + FILE_FORMAT fileFmt, + TRANSPORT_TYPE transportType, + UCHAR *conf, + UINT confSize + ); + +/** + * \brief Write to an MPEG audio file. + * \param inBuffer Buffer to write. + * \param bufferSize Size of buffer to write in bytes. + * \return 0 on sucess, -1 on unsupported file format or write error. + */ +int mpegFileWrite_Write( HANDLE_FILEWRITE hFileWrite, + UCHAR *inBuffer, + int bufferSize + ); + +/** + * \brief Deallocate memory and close file. + * \param hFileWrite MPEG file write handle. + * \return 0 on sucess. + */ +int mpegFileWrite_Close( HANDLE_FILEWRITE *hFileWrite ); + + +#ifdef __cplusplus +} +#endif diff --git a/libMpegTPEnc/include/tp_data.h b/libMpegTPEnc/include/tp_data.h new file mode 100644 index 0000000..6149608 --- /dev/null +++ b/libMpegTPEnc/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__ */ diff --git a/libMpegTPEnc/include/tpenc_lib.h b/libMpegTPEnc/include/tpenc_lib.h new file mode 100644 index 0000000..9c40211 --- /dev/null +++ b/libMpegTPEnc/include/tpenc_lib.h @@ -0,0 +1,234 @@ +/************************** MPEG-4 Transport Encoder ************************ + + (C) Copyright Fraunhofer IIS (2006) + 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 encode + + 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 __TPENC_LIB_H__ +#define __TPENC_LIB_H__ + +#include "tp_data.h" +#include "FDK_bitstream.h" + +#define TRANSPORTENC_INBUF_SIZE 8192 + +typedef enum { + TRANSPORTENC_OK = 0, /*!< All fine. */ + TRANSPORTENC_NO_MEM, /*!< Out of memory. */ + TRANSPORTENC_UNKOWN_ERROR = 1, /*!< Unknown error (embarrasing). */ + TRANSPORTENC_INVALID_PARAMETER, /*!< An invalid parameter was passed to a function . */ + TRANSPORTENC_PARSE_ERROR, /*!< Bitstream data contained inconsistencies (wrong syntax). */ + TRANSPORTENC_UNSUPPORTED_FORMAT, /*!< Unsupported transport format. */ + TRANSPORTENC_NOT_ENOUGH_BITS, /*!< Out of bits. Provide more bits and try again. */ + + TRANSPORTENC_INVALID_CONFIG, /*!< Error in configuration. */ + TRANSPORTENC_LATM_INVALID_NR_OF_SUBFRAMES, /*!< LATM: number of subframes out of range. */ + TRANSPORTENC_LOAS_NOT_AVAILABLE, /*!< LOAS format not supported. */ + TRANSPORTENC_INVALID_LATM_ALIGNMENT, /*!< AudioMuxElement length not aligned to 1 byte. */ + + TRANSPORTENC_INVALID_TRANSMISSION_FRAME_LENGTH, /*!< Invalid transmission frame length (< 0). */ + TRANSPORTENC_INVALID_CELP_FRAME_LENGTH, /*!< Invalid CELP frame length found (>= 62). */ + TRANSPORTENC_INVALID_FRAME_BITS, /*!< Frame bits is not 40 and not 80. */ + TRANSPORTENC_INVALID_AOT, /*!< Unknown AOT found. */ + TRANSPORTENC_INVALID_AU_LENGTH /*!< Invalid Access Unit length (not byte-aligned). */ + +} TRANSPORTENC_ERROR; + +typedef struct TRANSPORTENC *HANDLE_TRANSPORTENC; + +/** + * \brief Determine a reasonable channel configuration on the basis of channel_mode. + * \param noChannels Number of audio channels. + * \return CHANNEL_MODE value that matches the given amount of audio channels. + */ +CHANNEL_MODE transportEnc_GetChannelMode( int noChannels ); + +/** + * \brief Register SBR heaqder writer callback. + * \param hTp Handle of transport decoder. + * \param cbUpdateConfig Pointer to a callback function to handle SBR header writing. + * \param user_data void pointer for user data passed to the callback as first parameter. + * \return 0 on success. + */ +int transportEnc_RegisterSbrCallback ( + HANDLE_TRANSPORTENC hTpEnc, + const cbSbr_t cbSbr, + void* user_data + ); + +/** + * \brief Register SSC writer callback. + * \param hTp Handle of transport decoder. + * \param cbUpdateConfig Pointer to a callback function to handle SSC writing. + * \param user_data void pointer for user data passed to the callback as first parameter. + * \return 0 on success. + */ +int transportEnc_RegisterSscCallback ( + HANDLE_TRANSPORTENC hTpEnc, + const cbSsc_t cbSsc, + void* user_data + ); + +/** + * \brief Write ASC from given parameters. + * \param asc A HANDLE_FDK_BITSTREAM where the ASC is written to. + * \param config Structure containing the codec configuration settings. + * \param cb callback information structure. + * \return 0 on success. + */ +int transportEnc_writeASC ( + HANDLE_FDK_BITSTREAM asc, + CODER_CONFIG *config, + CSTpCallBacks *cb + ); + + +/* Defintion of flags that can be passed to transportEnc_Open() */ +#define TP_FLAG_MPEG4 1 /** MPEG4 (instead of MPEG2) */ +#define TP_FLAG_LATM_AMV 2 /** LATM AudioMuxVersion */ +#define TP_FLAG_LATM_AMVA 4 /** LATM AudioMuxVersionA */ + +/** + * \brief Allocate transport encoder. + * \param phTpEnc Pointer to transport encoder handle. + * \return Error code. + */ +TRANSPORTENC_ERROR transportEnc_Open( HANDLE_TRANSPORTENC *phTpEnc ); + +/** + * \brief Init transport encoder. + * \param bsBuffer Pointer to transport encoder. + * \param bsBuffer Pointer to bitstream buffer. + * \param bsBufferSize Size in bytes of bsBuffer. + * \param transportFmt Format of the transport to be written. + * \param config Pointer to a valid CODER_CONFIG struct. + * \param flags Transport encoder flags. + * \return Error code. + */ +TRANSPORTENC_ERROR transportEnc_Init( + HANDLE_TRANSPORTENC hTpEnc, + UCHAR *bsBuffer, + INT bsBufferSize, + TRANSPORT_TYPE transportFmt, + CODER_CONFIG *config, + UINT flags + ); + +/** + * \brief Get transport encoder bitstream. + * \param hTp Pointer to a transport encoder handle. + * \return The handle to the requested FDK bitstream. + */ +HANDLE_FDK_BITSTREAM transportEnc_GetBitstream( HANDLE_TRANSPORTENC hTp ); + +/** + * \brief Get amount of bits required by the transport headers. + * \param hTp Handle of transport encoder. + * \param auBits Amount of payload bits required for the current subframe. + * \return Error code. + */ +INT transportEnc_GetStaticBits( HANDLE_TRANSPORTENC hTp, int auBits ); + +/** + * \brief Close transport encoder. This function assures that all allocated memory is freed. + * \param phTp Pointer to a previously allocated transport encoder handle. + */ +void transportEnc_Close( HANDLE_TRANSPORTENC *phTp ); + +/** + * \brief Write one access unit. + * \param hTp Handle of transport encoder. + * \param total_bits Amount of total access unit bits. + * \param bufferFullness Value of current buffer fullness in bits. + * \param noConsideredChannels Number of bitrate wise considered channels (all minus LFE channels). + * \return Error code. + */ +TRANSPORTENC_ERROR transportEnc_WriteAccessUnit( HANDLE_TRANSPORTENC hTp, + INT total_bits, + int bufferFullness, + int noConsideredChannels ); + +/** + * \brief Inform the transportEnc layer that writing of access unit has finished. This function + * is required to be called when the encoder has finished writing one Access + * one Access Unit for bitstream housekeeping. + * \param hTp Transport handle. + * \param pBits Pointer to an int, where the current amount of frame bits is passed + * and where the current amount of subframe bits is returned. + * + * OR: This integer is modified by the amount of extra bit alignment that may occurr. + * + * \return Error code. + */ +TRANSPORTENC_ERROR transportEnc_EndAccessUnit( HANDLE_TRANSPORTENC hTp, int *pBits); + +/* + * \brief Get a payload frame. + * \param hTpEnc Transport encoder handle. + * \param nBytes Pointer to an int to hold the frame size in bytes. Returns zero + * if currently there is no complete frame for output (number of sub frames > 1). + * \return Error code. + */ +TRANSPORTENC_ERROR transportEnc_GetFrame(HANDLE_TRANSPORTENC hTpEnc, int *nbytes); + +/* ADTS CRC support */ + +/** + * \brief Set current bitstream position as start of a new data region. + * \param hTpEnc Transport encoder 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 transportEnc_CrcEndReg(). + */ +int transportEnc_CrcStartReg(HANDLE_TRANSPORTENC hTpEnc, int mBits); + +/** + * \brief Set end of data region. + * \param hTpEnc Transport encoder handle. + * \param reg Data region ID, opbtained from transportEnc_CrcStartReg(). + * \return void + */ +void transportEnc_CrcEndReg(HANDLE_TRANSPORTENC hTpEnc, int reg); + +/** + * \brief Get AudioSpecificConfig or StreamMuxConfig from transport encoder handle and write it to dataBuffer. + * \param hTpEnc Transport encoder handle. + * \param cc Pointer to the current and valid configuration contained in a CODER_CONFIG struct. + * \param dataBuffer Bitbuffer holding binary configuration. + * \param confType Pointer to an UINT where the configuration type is returned (0:ASC, 1:SMC). + * \return Error code. + */ +TRANSPORTENC_ERROR transportEnc_GetConf( HANDLE_TRANSPORTENC hTpEnc, + CODER_CONFIG *cc, + FDK_BITSTREAM *dataBuffer, + UINT *confType ); + +/** + * \brief Get information (version among other things) of the transport encoder library. + * \param info Pointer to an allocated LIB_INFO struct. + * \return Error code. + */ +TRANSPORTENC_ERROR transportEnc_GetLibInfo( LIB_INFO *info ); + +#endif /* #ifndef __TPENC_LIB_H__ */ |