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authorMatthias P. Braendli <matthias.braendli@mpb.li>2016-09-10 20:15:44 +0200
committerMatthias P. Braendli <matthias.braendli@mpb.li>2016-09-10 20:15:44 +0200
commit14c7b800eaa23e9da7c92c7c4df397d0c191f097 (patch)
treed840b6ec41ff74d1184ca1dcd7731d08f1e9ebbb /libMpegTPEnc/include/tpenc_lib.h
parent78a801e4d716c6f2403cc56cf6c5b6f138f24b2f (diff)
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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 Transport Encoder ************************
-
- Author(s): Manuel Jander
- Description: MPEG Transport encode
-
-******************************************************************************/
-
-#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__ */