diff options
author | Fraunhofer IIS FDK <audio-fdk@iis.fraunhofer.de> | 2018-02-26 20:17:00 +0100 |
---|---|---|
committer | Jean-Michel Trivi <jmtrivi@google.com> | 2018-04-19 11:21:15 -0700 |
commit | 6cfabd35363c3ef5e3b209b867169a500b3ccc3c (patch) | |
tree | 01c0a19f2735e8b5d2407555fe992d4230d089eb /libMpegTPEnc/src/tpenc_latm.cpp | |
parent | 6288a1e34c4dede4c2806beb1736ece6580558c7 (diff) | |
download | fdk-aac-6cfabd35363c3ef5e3b209b867169a500b3ccc3c.tar.gz fdk-aac-6cfabd35363c3ef5e3b209b867169a500b3ccc3c.tar.bz2 fdk-aac-6cfabd35363c3ef5e3b209b867169a500b3ccc3c.zip |
Upgrade to FDKv2
Bug: 71430241
Test: CTS DecoderTest and DecoderTestAacDrc
original-Change-Id: Iaa20f749b8a04d553b20247cfe1a8930ebbabe30
Apply clang-format also on header files.
original-Change-Id: I14de1ef16bbc79ec0283e745f98356a10efeb2e4
Fixes for MPEG-D DRC
original-Change-Id: If1de2d74bbbac84b3f67de3b88b83f6a23b8a15c
Catch unsupported tw_mdct at an early stage
original-Change-Id: Ied9dd00d754162a0e3ca1ae3e6b854315d818afe
Fixing PVC transition frames
original-Change-Id: Ib75725abe39252806c32d71176308f2c03547a4e
Move qmf bands sanity check
original-Change-Id: Iab540c3013c174d9490d2ae100a4576f51d8dbc4
Initialize scaling variable
original-Change-Id: I3c4087101b70e998c71c1689b122b0d7762e0f9e
Add 16 qmf band configuration to getSlotNrgHQ()
original-Change-Id: I49a5d30f703a1b126ff163df9656db2540df21f1
Always apply byte alignment at the end of the AudioMuxElement
original-Change-Id: I42d560287506d65d4c3de8bfe3eb9a4ebeb4efc7
Setup SBR element only if no parse error exists
original-Change-Id: I1915b73704bc80ab882b9173d6bec59cbd073676
Additional array index check in HCR
original-Change-Id: I18cc6e501ea683b5009f1bbee26de8ddd04d8267
Fix fade-in index selection in concealment module
original-Change-Id: Ibf802ed6ed8c05e9257e1f3b6d0ac1162e9b81c1
Enable explicit backward compatible parser for AAC_LD
original-Change-Id: I27e9c678dcb5d40ed760a6d1e06609563d02482d
Skip spatial specific config in explicit backward compatible ASC
original-Change-Id: Iff7cc365561319e886090cedf30533f562ea4d6e
Update flags description in decoder API
original-Change-Id: I9a5b4f8da76bb652f5580cbd3ba9760425c43830
Add QMF domain reset function
original-Change-Id: I4f89a8a2c0277d18103380134e4ed86996e9d8d6
DRC upgrade v2.1.0
original-Change-Id: I5731c0540139dab220094cd978ef42099fc45b74
Fix integer overflow in sqrtFixp_lookup()
original-Change-Id: I429a6f0d19aa2cc957e0f181066f0ca73968c914
Fix integer overflow in invSqrtNorm2()
original-Change-Id: I84de5cbf9fb3adeb611db203fe492fabf4eb6155
Fix integer overflow in GenerateRandomVector()
original-Change-Id: I3118a641008bd9484d479e5b0b1ee2b5d7d44d74
Fix integer overflow in adjustTimeSlot_EldGrid()
original-Change-Id: I29d503c247c5c8282349b79df940416a512fb9d5
Fix integer overflow in FDKsbrEnc_codeEnvelope()
original-Change-Id: I6b34b61ebb9d525b0c651ed08de2befc1f801449
Follow-up on: Fix integer overflow in adjustTimeSlot_EldGrid()
original-Change-Id: I6f8f578cc7089e5eb7c7b93e580b72ca35ad689a
Fix integer overflow in get_pk_v2()
original-Change-Id: I63375bed40d45867f6eeaa72b20b1f33e815938c
Fix integer overflow in Syn_filt_zero()
original-Change-Id: Ie0c02fdfbe03988f9d3b20d10cd9fe4c002d1279
Fix integer overflow in CFac_CalcFacSignal()
original-Change-Id: Id2d767c40066c591b51768e978eb8af3b803f0c5
Fix integer overflow in FDKaacEnc_FDKaacEnc_calcPeNoAH()
original-Change-Id: Idcbd0f4a51ae2550ed106aa6f3d678d1f9724841
Fix integer overflow in sbrDecoder_calculateGainVec()
original-Change-Id: I7081bcbe29c5cede9821b38d93de07c7add2d507
Fix integer overflow in CLpc_SynthesisLattice()
original-Change-Id: I4a95ddc18de150102352d4a1845f06094764c881
Fix integer overflow in Pred_Lt4()
original-Change-Id: I4dbd012b2de7d07c3e70a47b92e3bfae8dbc750a
Fix integer overflow in FDKsbrEnc_InitSbrFastTransientDetector()
original-Change-Id: I788cbec1a4a00f44c2f3a72ad7a4afa219807d04
Fix unsigned integer overflow in FDKaacEnc_WriteBitstream()
original-Change-Id: I68fc75166e7d2cd5cd45b18dbe3d8c2a92f1822a
Fix unsigned integer overflow in FDK_MetadataEnc_Init()
original-Change-Id: Ie8d025f9bcdb2442c704bd196e61065c03c10af4
Fix overflow in pseudo random number generators
original-Change-Id: I3e2551ee01356297ca14e3788436ede80bd5513c
Fix unsigned integer overflow in sbrDecoder_Parse()
original-Change-Id: I3f231b2f437e9c37db4d5b964164686710eee971
Fix unsigned integer overflow in longsub()
original-Change-Id: I73c2bc50415cac26f1f5a29e125bbe75f9180a6e
Fix unsigned integer overflow in CAacDecoder_DecodeFrame()
original-Change-Id: Ifce2db4b1454b46fa5f887e9d383f1cc43b291e4
Fix overflow at CLpdChannelStream_Read()
original-Change-Id: Idb9d822ce3a4272e4794b643644f5434e2d4bf3f
Fix unsigned integer overflow in Hcr_State_BODY_SIGN_ESC__ESC_WORD()
original-Change-Id: I1ccf77c0015684b85534c5eb97162740a870b71c
Fix unsigned integer overflow in UsacConfig_Parse()
original-Change-Id: Ie6d27f84b6ae7eef092ecbff4447941c77864d9f
Fix unsigned integer overflow in aacDecoder_drcParse()
original-Change-Id: I713f28e883eea3d70b6fa56a7b8f8c22bcf66ca0
Fix unsigned integer overflow in aacDecoder_drcReadCompression()
original-Change-Id: Ia34dfeb88c4705c558bce34314f584965cafcf7a
Fix unsigned integer overflow in CDataStreamElement_Read()
original-Change-Id: Iae896cc1d11f0a893d21be6aa90bd3e60a2c25f0
Fix unsigned integer overflow in transportDec_AdjustEndOfAccessUnit()
original-Change-Id: I64cf29a153ee784bb4a16fdc088baabebc0007dc
Fix unsigned integer overflow in transportDec_GetAuBitsRemaining()
original-Change-Id: I975b3420faa9c16a041874ba0db82e92035962e4
Fix unsigned integer overflow in extractExtendedData()
original-Change-Id: I2a59eb09e2053cfb58dfb75fcecfad6b85a80a8f
Fix signed integer overflow in CAacDecoder_ExtPayloadParse()
original-Change-Id: I4ad5ca4e3b83b5d964f1c2f8c5e7b17c477c7929
Fix unsigned integer overflow in CAacDecoder_DecodeFrame()
original-Change-Id: I29a39df77d45c52a0c9c5c83c1ba81f8d0f25090
Follow-up on: Fix integer overflow in CLpc_SynthesisLattice()
original-Change-Id: I8fb194ffc073a3432a380845be71036a272d388f
Fix signed integer overflow in _interpolateDrcGain()
original-Change-Id: I879ec9ab14005069a7c47faf80e8bc6e03d22e60
Fix unsigned integer overflow in FDKreadBits()
original-Change-Id: I1f47a6a8037ff70375aa8844947d5681bb4287ad
Fix unsigned integer overflow in FDKbyteAlign()
original-Change-Id: Id5f3a11a0c9e50fc6f76ed6c572dbd4e9f2af766
Fix unsigned integer overflow in FDK_get32()
original-Change-Id: I9d33b8e97e3d38cbb80629cb859266ca0acdce96
Fix unsigned integer overflow in FDK_pushBack()
original-Change-Id: Ic87f899bc8c6acf7a377a8ca7f3ba74c3a1e1c19
Fix unsigned integer overflow in FDK_pushForward()
original-Change-Id: I3b754382f6776a34be1602e66694ede8e0b8effc
Fix unsigned integer overflow in ReadPsData()
original-Change-Id: I25361664ba8139e32bbbef2ca8c106a606ce9c37
Fix signed integer overflow in E_UTIL_residu()
original-Change-Id: I8c3abd1f437ee869caa8fb5903ce7d3d641b6aad
REVERT: Follow-up on: Integer overflow in CLpc_SynthesisLattice().
original-Change-Id: I3d340099acb0414795c8dfbe6362bc0a8f045f9b
Follow-up on: Fix integer overflow in CLpc_SynthesisLattice()
original-Change-Id: I4aedb8b3a187064e9f4d985175aa55bb99cc7590
Follow-up on: Fix unsigned integer overflow in aacDecoder_drcParse()
original-Change-Id: I2aa2e13916213bf52a67e8b0518e7bf7e57fb37d
Fix integer overflow in acelp
original-Change-Id: Ie6390c136d84055f8b728aefbe4ebef6e029dc77
Fix unsigned integer overflow in aacDecoder_UpdateBitStreamCounters()
original-Change-Id: I391ffd97ddb0b2c184cba76139bfb356a3b4d2e2
Adjust concealment default settings
original-Change-Id: I6a95db935a327c47df348030bcceafcb29f54b21
Saturate estimatedStartPos
original-Change-Id: I27be2085e0ae83ec9501409f65e003f6bcba1ab6
Negative shift exponent in _interpolateDrcGain()
original-Change-Id: I18edb26b26d002aafd5e633d4914960f7a359c29
Negative shift exponent in calculateICC()
original-Change-Id: I3dcd2ae98d2eb70ee0d59750863cbb2a6f4f8aba
Too large shift exponent in FDK_put()
original-Change-Id: Ib7d9aaa434d2d8de4a13b720ca0464b31ca9b671
Too large shift exponent in CalcInvLdData()
original-Change-Id: I43e6e78d4cd12daeb1dcd5d82d1798bdc2550262
Member access within null pointer of type SBR_CHANNEL
original-Change-Id: Idc5e4ea8997810376d2f36bbdf628923b135b097
Member access within null pointer of type CpePersistentData
original-Change-Id: Ib6c91cb0d37882768e5baf63324e429589de0d9d
Member access within null pointer FDKaacEnc_psyMain()
original-Change-Id: I7729b7f4479970531d9dc823abff63ca52e01997
Member access within null pointer FDKaacEnc_GetPnsParam()
original-Change-Id: I9aa3b9f3456ae2e0f7483dbd5b3dde95fc62da39
Member access within null pointer FDKsbrEnc_EnvEncodeFrame()
original-Change-Id: I67936f90ea714e90b3e81bc0dd1472cc713eb23a
Add HCR sanity check
original-Change-Id: I6c1d9732ebcf6af12f50b7641400752f74be39f7
Fix memory issue for HBE edge case with 8:3 SBR
original-Change-Id: I11ea58a61e69fbe8bf75034b640baee3011e63e9
Additional SBR parametrization sanity check for ELD
original-Change-Id: Ie26026fbfe174c2c7b3691f6218b5ce63e322140
Add MPEG-D DRC channel layout check
original-Change-Id: Iea70a74f171b227cce636a9eac4ba662777a2f72
Additional out-of-bounds checks in MPEG-D DRC
original-Change-Id: Ife4a8c3452c6fde8a0a09e941154a39a769777d4
Change-Id: Ic63cb2f628720f54fe9b572b0cb528e2599c624e
Diffstat (limited to 'libMpegTPEnc/src/tpenc_latm.cpp')
-rw-r--r-- | libMpegTPEnc/src/tpenc_latm.cpp | 933 |
1 files changed, 451 insertions, 482 deletions
diff --git a/libMpegTPEnc/src/tpenc_latm.cpp b/libMpegTPEnc/src/tpenc_latm.cpp index f292019..2d35d48 100644 --- a/libMpegTPEnc/src/tpenc_latm.cpp +++ b/libMpegTPEnc/src/tpenc_latm.cpp @@ -1,74 +1,85 @@ - -/* ----------------------------------------------------------------------------------------------------------- +/* ----------------------------------------------------------------------------- Software License for The Fraunhofer FDK AAC Codec Library for Android -© Copyright 1995 - 2015 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. - All rights reserved. +© Copyright 1995 - 2018 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. +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: +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 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 +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. +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. +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." +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. +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. +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. +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 @@ -79,78 +90,69 @@ Am Wolfsmantel 33 www.iis.fraunhofer.de/amm amm-info@iis.fraunhofer.de ------------------------------------------------------------------------------------------------------------ */ +----------------------------------------------------------------------------- */ -/***************************** MPEG-4 AAC Encoder ************************** +/******************* MPEG transport format encoder library ********************* Author(s): + Description: -******************************************************************************/ +*******************************************************************************/ #include "tpenc_latm.h" - #include "genericStds.h" static const short celpFrameLengthTable[64] = { - 154, 170, 186, 147, 156, 165, 114, 120, - 186, 126, 132, 138, 142, 146, 154, 166, - 174, 182, 190, 198, 206, 210, 214, 110, - 114, 118, 120, 122, 218, 230, 242, 254, - 266, 278, 286, 294, 318, 342, 358, 374, - 390, 406, 422, 136, 142, 148, 154, 160, - 166, 170, 174, 186, 198, 206, 214, 222, - 230, 238, 216, 160, 280, 338, 0, 0 -}; + 154, 170, 186, 147, 156, 165, 114, 120, 186, 126, 132, 138, 142, + 146, 154, 166, 174, 182, 190, 198, 206, 210, 214, 110, 114, 118, + 120, 122, 218, 230, 242, 254, 266, 278, 286, 294, 318, 342, 358, + 374, 390, 406, 422, 136, 142, 148, 154, 160, 166, 170, 174, 186, + 198, 206, 214, 222, 230, 238, 216, 160, 280, 338, 0, 0}; /******* write value to transport stream first two bits define the size of the value itself then the value itself, with a size of 0-3 bytes *******/ -static -UINT transportEnc_LatmWriteValue(HANDLE_FDK_BITSTREAM hBs, int value) -{ +static UINT transportEnc_LatmWriteValue(HANDLE_FDK_BITSTREAM hBs, int value) { UCHAR valueBytes = 4; unsigned int bitsWritten = 0; int i; - if ( value < (1<<8) ) { + if (value < (1 << 8)) { valueBytes = 1; - } else if ( value < (1<<16) ) { + } else if (value < (1 << 16)) { valueBytes = 2; - } else if ( value < (1<<24) ) { + } else if (value < (1 << 24)) { valueBytes = 3; } else { valueBytes = 4; } - FDKwriteBits(hBs, valueBytes-1, 2 ); /* size of value in Bytes */ - for (i=0; i<valueBytes; i++) { + FDKwriteBits(hBs, valueBytes - 1, 2); /* size of value in Bytes */ + for (i = 0; i < valueBytes; i++) { /* write most significant Byte first */ - FDKwriteBits(hBs, (UCHAR)(value>>((valueBytes-1-i)<<3)), 8); + FDKwriteBits(hBs, (UCHAR)(value >> ((valueBytes - 1 - i) << 3)), 8); } - bitsWritten = (valueBytes<<3)+2; + bitsWritten = (valueBytes << 3) + 2; return bitsWritten; } -static -UINT transportEnc_LatmCountFixBitDemandHeader ( HANDLE_LATM_STREAM hAss ) -{ +static UINT transportEnc_LatmCountFixBitDemandHeader(HANDLE_LATM_STREAM hAss) { int bitDemand = 0; - int insertSetupData = 0 ; + int insertSetupData = 0; /* only if start of new latm frame */ - if (hAss->subFrameCnt==0) - { + if (hAss->subFrameCnt == 0) { /* AudioSyncStream */ if (hAss->tt == TT_MP4_LOAS) { - bitDemand += 11 ; /* syncword */ - bitDemand += 13 ; /* audioMuxLengthBytes */ + bitDemand += 11; /* syncword */ + bitDemand += 13; /* audioMuxLengthBytes */ } /* AudioMuxElement*/ @@ -164,191 +166,184 @@ UINT transportEnc_LatmCountFixBitDemandHeader ( HANDLE_LATM_STREAM hAss ) if (hAss->tt != TT_MP4_LATM_MCP0) { /* AudioMuxElement::useSameStreamMux Flag */ - bitDemand+=1; + bitDemand += 1; - if( insertSetupData ) { + if (insertSetupData) { bitDemand += hAss->streamMuxConfigBits; } } /* AudioMuxElement::otherDataBits */ - bitDemand += 8*hAss->otherDataLenBytes; + bitDemand += hAss->otherDataLenBits; /* AudioMuxElement::ByteAlign */ - if ( bitDemand % 8 ) { - hAss->fillBits = 8 - (bitDemand % 8); - bitDemand += hAss->fillBits ; + if (bitDemand % 8) { + hAss->fillBits = 8 - (bitDemand % 8); + bitDemand += hAss->fillBits; } else { hAss->fillBits = 0; } } - return bitDemand ; + return bitDemand; } -static -UINT transportEnc_LatmCountVarBitDemandHeader ( HANDLE_LATM_STREAM hAss , unsigned int streamDataLength ) -{ +static UINT transportEnc_LatmCountVarBitDemandHeader( + HANDLE_LATM_STREAM hAss, unsigned int streamDataLength) { int bitDemand = 0; - int prog, layer; + int prog, layer; /* Payload Length Info*/ - if( hAss->allStreamsSameTimeFraming ) { - for( prog=0; prog<hAss->noProgram; prog++ ) { - for( layer=0; layer<LATM_MAX_LAYERS; layer++ ) { + if (hAss->allStreamsSameTimeFraming) { + for (prog = 0; prog < hAss->noProgram; prog++) { + for (layer = 0; layer < LATM_MAX_LAYERS; layer++) { LATM_LAYER_INFO *p_linfo = &(hAss->m_linfo[prog][layer]); - if( p_linfo->streamID >= 0 ) { - switch( p_linfo->frameLengthType ) { - case 0: - if ( streamDataLength > 0 ) { - streamDataLength -= bitDemand ; - while( streamDataLength >= (255<<3) ) { - bitDemand+=8; - streamDataLength -= (255<<3); - } - bitDemand += 8; - } - break; - - case 1: - case 4: - case 6: - bitDemand += 2; - break; - - default: - return 0; - } - } - } - } - } else { - /* there are many possibilities to use this mechanism. */ - switch( hAss->varMode ) { - case LATMVAR_SIMPLE_SEQUENCE: { - /* Use the sequence generated by the encoder */ - //int streamCntPosition = transportEnc_SetWritePointer( hAss->hAssemble, 0 ); - //int streamCntPosition = FDKgetValidBits( hAss->hAssemble ); - bitDemand+=4; - - hAss->varStreamCnt = 0; - for( prog=0; prog<hAss->noProgram; prog++ ) { - for( layer=0; layer<LATM_MAX_LAYERS; layer++ ) { - LATM_LAYER_INFO *p_linfo = &(hAss->m_linfo[prog][layer]); - - if( p_linfo->streamID >= 0 ) { - - bitDemand+=4; /* streamID */ - switch( p_linfo->frameLengthType ) { + if (p_linfo->streamID >= 0) { + switch (p_linfo->frameLengthType) { case 0: - streamDataLength -= bitDemand ; - while( streamDataLength >= (255<<3) ) { - bitDemand+=8; - streamDataLength -= (255<<3); + if (streamDataLength > 0) { + streamDataLength -= bitDemand; + while (streamDataLength >= (255 << 3)) { + bitDemand += 8; + streamDataLength -= (255 << 3); + } + bitDemand += 8; } - - bitDemand += 8; break; - /*bitDemand += 1; endFlag - break;*/ case 1: case 4: case 6: - + bitDemand += 2; break; default: - return 0; - } - hAss->varStreamCnt++; + return 0; } } } - bitDemand+=4; - //transportEnc_UpdateBitstreamField( hAss->hAssemble, streamCntPosition, hAss->varStreamCnt-1, 4 ); - //UINT pos = streamCntPosition-FDKgetValidBits(hAss->hAssemble); - //FDKpushBack( hAss->hAssemble, pos); - //FDKwriteBits( hAss->hAssemble, hAss->varStreamCnt-1, 4); - //FDKpushFor( hAss->hAssemble, pos-4); } - break; + } else { + /* there are many possibilities to use this mechanism. */ + switch (hAss->varMode) { + case LATMVAR_SIMPLE_SEQUENCE: { + /* Use the sequence generated by the encoder */ + // int streamCntPosition = transportEnc_SetWritePointer( + // hAss->hAssemble, 0 ); int streamCntPosition = FDKgetValidBits( + // hAss->hAssemble ); + bitDemand += 4; + + hAss->varStreamCnt = 0; + for (prog = 0; prog < hAss->noProgram; prog++) { + for (layer = 0; layer < LATM_MAX_LAYERS; layer++) { + LATM_LAYER_INFO *p_linfo = &(hAss->m_linfo[prog][layer]); + + if (p_linfo->streamID >= 0) { + bitDemand += 4; /* streamID */ + switch (p_linfo->frameLengthType) { + case 0: + streamDataLength -= bitDemand; + while (streamDataLength >= (255 << 3)) { + bitDemand += 8; + streamDataLength -= (255 << 3); + } + + bitDemand += 8; + break; + /*bitDemand += 1; endFlag + break;*/ - default: - return 0; + case 1: + case 4: + case 6: + + break; + + default: + return 0; + } + hAss->varStreamCnt++; + } + } + } + bitDemand += 4; + // transportEnc_UpdateBitstreamField( hAss->hAssemble, + // streamCntPosition, hAss->varStreamCnt-1, 4 ); UINT pos = + // streamCntPosition-FDKgetValidBits(hAss->hAssemble); FDKpushBack( + // hAss->hAssemble, pos); FDKwriteBits( hAss->hAssemble, + // hAss->varStreamCnt-1, 4); FDKpushFor( hAss->hAssemble, pos-4); + } break; + + default: + return 0; } } - return bitDemand ; + return bitDemand; } TRANSPORTENC_ERROR -CreateStreamMuxConfig( - HANDLE_LATM_STREAM hAss, - HANDLE_FDK_BITSTREAM hBs, - int bufferFullness, - CSTpCallBacks *cb - ) -{ +CreateStreamMuxConfig(HANDLE_LATM_STREAM hAss, HANDLE_FDK_BITSTREAM hBs, + int bufferFullness, CSTpCallBacks *cb) { INT streamIDcnt, tmp; int layer, prog; - USHORT coreFrameOffset=0; + USHORT coreFrameOffset = 0; - hAss->taraBufferFullness = 0xFF; - hAss->audioMuxVersionA = 0; /* for future extensions */ + hAss->taraBufferFullness = 0xFF; + hAss->audioMuxVersionA = 0; /* for future extensions */ hAss->streamMuxConfigBits = 0; - FDKwriteBits( hBs, hAss->audioMuxVersion, 1 ); /* audioMuxVersion */ + FDKwriteBits(hBs, hAss->audioMuxVersion, 1); /* audioMuxVersion */ hAss->streamMuxConfigBits += 1; - if ( hAss->audioMuxVersion == 1 ) { - FDKwriteBits( hBs, hAss->audioMuxVersionA, 1 ); /* audioMuxVersionA */ - hAss->streamMuxConfigBits+=1; + if (hAss->audioMuxVersion == 1) { + FDKwriteBits(hBs, hAss->audioMuxVersionA, 1); /* audioMuxVersionA */ + hAss->streamMuxConfigBits += 1; } - if ( hAss->audioMuxVersionA == 0 ) - { - if ( hAss->audioMuxVersion == 1 ) { - hAss->streamMuxConfigBits+= transportEnc_LatmWriteValue( hBs, hAss->taraBufferFullness );/* taraBufferFullness */ + if (hAss->audioMuxVersionA == 0) { + if (hAss->audioMuxVersion == 1) { + hAss->streamMuxConfigBits += transportEnc_LatmWriteValue( + hBs, hAss->taraBufferFullness); /* taraBufferFullness */ } - FDKwriteBits( hBs, hAss->allStreamsSameTimeFraming ? 1:0, 1 ); /* allStreamsSameTimeFraming */ - FDKwriteBits( hBs, hAss->noSubframes-1, 6 ); /* Number of Subframes */ - FDKwriteBits( hBs, hAss->noProgram-1, 4 ); /* Number of Programs */ + FDKwriteBits(hBs, hAss->allStreamsSameTimeFraming ? 1 : 0, + 1); /* allStreamsSameTimeFraming */ + FDKwriteBits(hBs, hAss->noSubframes - 1, 6); /* Number of Subframes */ + FDKwriteBits(hBs, hAss->noProgram - 1, 4); /* Number of Programs */ - hAss->streamMuxConfigBits+=11; + hAss->streamMuxConfigBits += 11; streamIDcnt = 0; - for( prog=0; prog<hAss->noProgram; prog++ ) { + for (prog = 0; prog < hAss->noProgram; prog++) { int transLayer = 0; - FDKwriteBits( hBs, hAss->noLayer[prog]-1, 3 ); - hAss->streamMuxConfigBits+=3; + FDKwriteBits(hBs, hAss->noLayer[prog] - 1, 3); + hAss->streamMuxConfigBits += 3; - for( layer=0; layer<LATM_MAX_LAYERS; layer++ ) { - LATM_LAYER_INFO *p_linfo = &(hAss->m_linfo[prog][layer]); - CODER_CONFIG *p_lci = hAss->config[prog][layer]; + for (layer = 0; layer < LATM_MAX_LAYERS; layer++) { + LATM_LAYER_INFO *p_linfo = &(hAss->m_linfo[prog][layer]); + CODER_CONFIG *p_lci = hAss->config[prog][layer]; p_linfo->streamID = -1; - if( hAss->config[prog][layer] != NULL ) { + if (hAss->config[prog][layer] != NULL) { int useSameConfig = 0; - if( transLayer > 0 ) { - FDKwriteBits( hBs, useSameConfig ? 1 : 0, 1 ); - hAss->streamMuxConfigBits+=1; + if (transLayer > 0) { + FDKwriteBits(hBs, useSameConfig ? 1 : 0, 1); + hAss->streamMuxConfigBits += 1; } - if( (useSameConfig == 0) || (transLayer==0) ) { + if ((useSameConfig == 0) || (transLayer == 0)) { const UINT alignAnchor = FDKgetValidBits(hBs); - transportEnc_writeASC( - hBs, - hAss->config[prog][layer], - cb - ); + if (0 != + (transportEnc_writeASC(hBs, hAss->config[prog][layer], cb))) { + return TRANSPORTENC_UNKOWN_ERROR; + } - if ( hAss->audioMuxVersion == 1 ) { + if (hAss->audioMuxVersion == 1) { UINT ascLen = transportEnc_LatmWriteValue(hBs, 0); FDKbyteAlign(hBs, alignAnchor); ascLen = FDKgetValidBits(hBs) - alignAnchor - ascLen; @@ -356,180 +351,160 @@ CreateStreamMuxConfig( transportEnc_LatmWriteValue(hBs, ascLen); - transportEnc_writeASC( - hBs, - hAss->config[prog][layer], - cb - ); + if (0 != + (transportEnc_writeASC(hBs, hAss->config[prog][layer], cb))) { + return TRANSPORTENC_UNKOWN_ERROR; + } FDKbyteAlign(hBs, alignAnchor); /* asc length fillbits */ } - hAss->streamMuxConfigBits += FDKgetValidBits(hBs) - alignAnchor; /* add asc length to smc summary */ + hAss->streamMuxConfigBits += + FDKgetValidBits(hBs) - + alignAnchor; /* add asc length to smc summary */ } transLayer++; - if( !hAss->allStreamsSameTimeFraming ) { - if( streamIDcnt >= LATM_MAX_STREAM_ID ) + if (!hAss->allStreamsSameTimeFraming) { + if (streamIDcnt >= LATM_MAX_STREAM_ID) return TRANSPORTENC_INVALID_CONFIG; } p_linfo->streamID = streamIDcnt++; - switch( p_lci->aot ) { - case AOT_AAC_MAIN : - case AOT_AAC_LC : - case AOT_AAC_SSR : - case AOT_AAC_LTP : - case AOT_AAC_SCAL : - case AOT_ER_AAC_LD : - case AOT_ER_AAC_ELD : - case AOT_USAC: - p_linfo->frameLengthType = 0; - - FDKwriteBits( hBs, p_linfo->frameLengthType, 3 ); /* frameLengthType */ - FDKwriteBits( hBs, bufferFullness, 8 ); /* bufferFullness */ - hAss->streamMuxConfigBits+=11; - - if ( !hAss->allStreamsSameTimeFraming ) { - CODER_CONFIG *p_lci_prev = hAss->config[prog][layer-1]; - if ( ((p_lci->aot == AOT_AAC_SCAL) || (p_lci->aot == AOT_ER_AAC_SCAL)) && - ((p_lci_prev->aot == AOT_CELP) || (p_lci_prev->aot == AOT_ER_CELP)) ) { - FDKwriteBits( hBs, coreFrameOffset, 6 ); /* coreFrameOffset */ - hAss->streamMuxConfigBits+=6; + switch (p_lci->aot) { + case AOT_AAC_MAIN: + case AOT_AAC_LC: + case AOT_AAC_SSR: + case AOT_AAC_LTP: + case AOT_AAC_SCAL: + case AOT_ER_AAC_LD: + case AOT_ER_AAC_ELD: + case AOT_USAC: + p_linfo->frameLengthType = 0; + + FDKwriteBits(hBs, p_linfo->frameLengthType, + 3); /* frameLengthType */ + FDKwriteBits(hBs, bufferFullness, 8); /* bufferFullness */ + hAss->streamMuxConfigBits += 11; + + if (!hAss->allStreamsSameTimeFraming) { + CODER_CONFIG *p_lci_prev = hAss->config[prog][layer - 1]; + if (((p_lci->aot == AOT_AAC_SCAL) || + (p_lci->aot == AOT_ER_AAC_SCAL)) && + ((p_lci_prev->aot == AOT_CELP) || + (p_lci_prev->aot == AOT_ER_CELP))) { + FDKwriteBits(hBs, coreFrameOffset, 6); /* coreFrameOffset */ + hAss->streamMuxConfigBits += 6; + } } - } - break; + break; - case AOT_TWIN_VQ: - p_linfo->frameLengthType = 1; - tmp = ( (p_lci->bitsFrame+7) >> 3 ) - 20; /* transmission frame length in bytes */ - if( (tmp < 0) ) { - return TRANSPORTENC_INVALID_TRANSMISSION_FRAME_LENGTH; - } - FDKwriteBits( hBs, p_linfo->frameLengthType, 3 ); /* frameLengthType */ - FDKwriteBits( hBs, tmp, 9 ); - hAss->streamMuxConfigBits+=12; - - p_linfo->frameLengthBits = (tmp+20) << 3; - break; - - case AOT_CELP: - p_linfo->frameLengthType = 4; - FDKwriteBits( hBs, p_linfo->frameLengthType, 3 ); /* frameLengthType */ - hAss->streamMuxConfigBits+=3; - { - int i; - for( i=0; i<62; i++ ) { - if( celpFrameLengthTable[i] == p_lci->bitsFrame ) - break; + case AOT_TWIN_VQ: + p_linfo->frameLengthType = 1; + tmp = ((p_lci->bitsFrame + 7) >> 3) - + 20; /* transmission frame length in bytes */ + if ((tmp < 0)) { + return TRANSPORTENC_INVALID_TRANSMISSION_FRAME_LENGTH; } - if( i>=62 ) { - return TRANSPORTENC_INVALID_CELP_FRAME_LENGTH; + FDKwriteBits(hBs, p_linfo->frameLengthType, + 3); /* frameLengthType */ + FDKwriteBits(hBs, tmp, 9); + hAss->streamMuxConfigBits += 12; + + p_linfo->frameLengthBits = (tmp + 20) << 3; + break; + + case AOT_CELP: + p_linfo->frameLengthType = 4; + FDKwriteBits(hBs, p_linfo->frameLengthType, + 3); /* frameLengthType */ + hAss->streamMuxConfigBits += 3; + { + int i; + for (i = 0; i < 62; i++) { + if (celpFrameLengthTable[i] == p_lci->bitsFrame) break; + } + if (i >= 62) { + return TRANSPORTENC_INVALID_CELP_FRAME_LENGTH; + } + + FDKwriteBits(hBs, i, 6); /* CELPframeLengthTabelIndex */ + hAss->streamMuxConfigBits += 6; } + p_linfo->frameLengthBits = p_lci->bitsFrame; + break; - FDKwriteBits( hBs, i, 6 ); /* CELPframeLengthTabelIndex */ - hAss->streamMuxConfigBits+=6; - } - p_linfo->frameLengthBits = p_lci->bitsFrame; - break; - - case AOT_HVXC: - p_linfo->frameLengthType = 6; - FDKwriteBits( hBs, p_linfo->frameLengthType, 3 ); /* frameLengthType */ - hAss->streamMuxConfigBits+=3; - { - int i; - - if( p_lci->bitsFrame == 40 ) { - i = 0; - } else if( p_lci->bitsFrame == 80 ) { - i = 1; - } else { - return TRANSPORTENC_INVALID_FRAME_BITS; + case AOT_HVXC: + p_linfo->frameLengthType = 6; + FDKwriteBits(hBs, p_linfo->frameLengthType, + 3); /* frameLengthType */ + hAss->streamMuxConfigBits += 3; + { + int i; + + if (p_lci->bitsFrame == 40) { + i = 0; + } else if (p_lci->bitsFrame == 80) { + i = 1; + } else { + return TRANSPORTENC_INVALID_FRAME_BITS; + } + FDKwriteBits(hBs, i, 1); /* HVXCframeLengthTableIndex */ + hAss->streamMuxConfigBits += 1; } - FDKwriteBits( hBs, i, 1 ); /* HVXCframeLengthTableIndex */ - hAss->streamMuxConfigBits+=1; - } - p_linfo->frameLengthBits = p_lci->bitsFrame; - break; + p_linfo->frameLengthBits = p_lci->bitsFrame; + break; - case AOT_NULL_OBJECT: - default: - return TRANSPORTENC_INVALID_AOT; + case AOT_NULL_OBJECT: + default: + return TRANSPORTENC_INVALID_AOT; } } } } - FDKwriteBits( hBs, (hAss->otherDataLenBytes>0) ? 1:0, 1 ); /* otherDataPresent */ - hAss->streamMuxConfigBits+=1; - - if( hAss->otherDataLenBytes > 0 ) { - - INT otherDataLenTmp = hAss->otherDataLenBytes; - INT escCnt = 0; - INT otherDataLenEsc = 1; + FDKwriteBits(hBs, (hAss->otherDataLenBits > 0) ? 1 : 0, + 1); /* otherDataPresent */ + hAss->streamMuxConfigBits += 1; - while(otherDataLenTmp) { - otherDataLenTmp >>= 8; - escCnt ++; - } - - do { - otherDataLenTmp = (hAss->otherDataLenBytes>>(escCnt*8)) & 0xFF; - escCnt--; - otherDataLenEsc = escCnt>0; - - FDKwriteBits( hBs, otherDataLenEsc, 1 ); - FDKwriteBits( hBs, otherDataLenTmp, 8 ); - hAss->streamMuxConfigBits+=9; - } while(otherDataLenEsc); + if (hAss->otherDataLenBits > 0) { + FDKwriteBits(hBs, 0, 1); + FDKwriteBits(hBs, hAss->otherDataLenBits, 8); + hAss->streamMuxConfigBits += 9; } - { - USHORT crcCheckPresent=0; - USHORT crcCheckSum=0; + FDKwriteBits(hBs, 0, 1); /* crcCheckPresent=0 */ + hAss->streamMuxConfigBits += 1; - FDKwriteBits( hBs, crcCheckPresent, 1 ); /* crcCheckPresent */ - hAss->streamMuxConfigBits+=1; - if ( crcCheckPresent ){ - FDKwriteBits( hBs, crcCheckSum, 8 ); /* crcCheckSum */ - hAss->streamMuxConfigBits+=8; - } - } - - } else { /* if ( audioMuxVersionA == 0 ) */ + } else { /* if ( audioMuxVersionA == 0 ) */ /* for future extensions */ - } return TRANSPORTENC_OK; } - -static TRANSPORTENC_ERROR -WriteAuPayloadLengthInfo( HANDLE_FDK_BITSTREAM hBitStream, int AuLengthBits ) -{ +static TRANSPORTENC_ERROR WriteAuPayloadLengthInfo( + HANDLE_FDK_BITSTREAM hBitStream, int AuLengthBits) { int restBytes; - if( AuLengthBits % 8 ) - return TRANSPORTENC_INVALID_AU_LENGTH; + if (AuLengthBits % 8) return TRANSPORTENC_INVALID_AU_LENGTH; - while( AuLengthBits >= 255*8 ) { - FDKwriteBits( hBitStream, 255, 8 ); /* 255 shows incomplete AU */ - AuLengthBits -= (255*8); + while (AuLengthBits >= 255 * 8) { + FDKwriteBits(hBitStream, 255, 8); /* 255 shows incomplete AU */ + AuLengthBits -= (255 * 8); } restBytes = (AuLengthBits) >> 3; - FDKwriteBits( hBitStream, restBytes, 8 ); + FDKwriteBits(hBitStream, restBytes, 8); return TRANSPORTENC_OK; } -static -TRANSPORTENC_ERROR transportEnc_LatmSetNrOfSubframes( HANDLE_LATM_STREAM hAss, - INT noSubframes_next) /* nr of access units / payloads within a latm frame */ +static TRANSPORTENC_ERROR transportEnc_LatmSetNrOfSubframes( + HANDLE_LATM_STREAM hAss, INT noSubframes_next) /* nr of access units / + payloads within a latm + frame */ { /* sanity chk */ if (noSubframes_next < 1 || noSubframes_next > MAX_NR_OF_SUBFRAMES) { @@ -538,48 +513,50 @@ TRANSPORTENC_ERROR transportEnc_LatmSetNrOfSubframes( HANDLE_LATM_STREAM hAss, hAss->noSubframes_next = noSubframes_next; - /* if at start then we can take over the value immediately, otherwise we have to wait for the next SMC */ - if ( (hAss->subFrameCnt == 0) && (hAss->latmFrameCounter == 0) ) { + /* if at start then we can take over the value immediately, otherwise we have + * to wait for the next SMC */ + if ((hAss->subFrameCnt == 0) && (hAss->latmFrameCounter == 0)) { hAss->noSubframes = noSubframes_next; } return TRANSPORTENC_OK; } -static -int allStreamsSameTimeFraming( HANDLE_LATM_STREAM hAss, UCHAR noProgram, UCHAR noLayer[] /* return */ ) -{ +static int allStreamsSameTimeFraming(HANDLE_LATM_STREAM hAss, UCHAR noProgram, + UCHAR noLayer[] /* return */) { int prog, layer; - signed int lastNoSamples = -1; + signed int lastNoSamples = -1; signed int minFrameSamples = FDK_INT_MAX; signed int maxFrameSamples = 0; signed int highestSamplingRate = -1; - for( prog=0; prog<noProgram; prog++ ) { + for (prog = 0; prog < noProgram; prog++) { noLayer[prog] = 0; - for( layer=0; layer<LATM_MAX_LAYERS; layer++ ) - { - if( hAss->config[prog][layer] != NULL ) - { + for (layer = 0; layer < LATM_MAX_LAYERS; layer++) { + if (hAss->config[prog][layer] != NULL) { INT hsfSamplesFrame; noLayer[prog]++; - if( highestSamplingRate < 0 ) + if (highestSamplingRate < 0) highestSamplingRate = hAss->config[prog][layer]->samplingRate; - hsfSamplesFrame = hAss->config[prog][layer]->samplesPerFrame * highestSamplingRate / hAss->config[prog][layer]->samplingRate; + hsfSamplesFrame = hAss->config[prog][layer]->samplesPerFrame * + highestSamplingRate / + hAss->config[prog][layer]->samplingRate; - if( hsfSamplesFrame <= minFrameSamples ) minFrameSamples = hsfSamplesFrame; - if( hsfSamplesFrame >= maxFrameSamples ) maxFrameSamples = hsfSamplesFrame; + if (hsfSamplesFrame <= minFrameSamples) + minFrameSamples = hsfSamplesFrame; + if (hsfSamplesFrame >= maxFrameSamples) + maxFrameSamples = hsfSamplesFrame; - if( lastNoSamples == -1 ) { - lastNoSamples = hsfSamplesFrame; + if (lastNoSamples == -1) { + lastNoSamples = hsfSamplesFrame; } else { - if( hsfSamplesFrame != lastNoSamples ) { + if (hsfSamplesFrame != lastNoSamples) { return 0; } } @@ -593,18 +570,14 @@ int allStreamsSameTimeFraming( HANDLE_LATM_STREAM hAss, UCHAR noProgram, UCHAR n /** * Initialize LATM/LOAS Stream and add layer 0 at program 0. */ -static -TRANSPORTENC_ERROR transportEnc_InitLatmStream( HANDLE_LATM_STREAM hAss, - int fractDelayPresent, - signed int muxConfigPeriod, /* insert setup data every muxConfigPeriod frames */ - UINT audioMuxVersion, - TRANSPORT_TYPE tt - ) -{ +static TRANSPORTENC_ERROR transportEnc_InitLatmStream( + HANDLE_LATM_STREAM hAss, int fractDelayPresent, + signed int + muxConfigPeriod, /* insert setup data every muxConfigPeriod frames */ + UINT audioMuxVersion, TRANSPORT_TYPE tt) { TRANSPORTENC_ERROR ErrorStatus = TRANSPORTENC_OK; - if (hAss == NULL) - return TRANSPORTENC_INVALID_PARAMETER; + if (hAss == NULL) return TRANSPORTENC_INVALID_PARAMETER; hAss->tt = tt; @@ -613,82 +586,78 @@ TRANSPORTENC_ERROR transportEnc_InitLatmStream( HANDLE_LATM_STREAM hAss, hAss->audioMuxVersion = audioMuxVersion; /* Fill noLayer array using hAss->config */ - hAss->allStreamsSameTimeFraming = allStreamsSameTimeFraming( hAss, hAss->noProgram, hAss->noLayer ); + hAss->allStreamsSameTimeFraming = + allStreamsSameTimeFraming(hAss, hAss->noProgram, hAss->noLayer); /* Only allStreamsSameTimeFraming==1 is supported */ FDK_ASSERT(hAss->allStreamsSameTimeFraming); hAss->fractDelayPresent = fractDelayPresent; - hAss->otherDataLenBytes = 0; + hAss->otherDataLenBits = 0; hAss->varMode = LATMVAR_SIMPLE_SEQUENCE; /* initialize counters */ - hAss->subFrameCnt = 0; - hAss->noSubframes = DEFAULT_LATM_NR_OF_SUBFRAMES; - hAss->noSubframes_next = DEFAULT_LATM_NR_OF_SUBFRAMES; + hAss->subFrameCnt = 0; + hAss->noSubframes = DEFAULT_LATM_NR_OF_SUBFRAMES; + hAss->noSubframes_next = DEFAULT_LATM_NR_OF_SUBFRAMES; /* sync layer related */ - hAss->audioMuxLengthBytes = 0; + hAss->audioMuxLengthBytes = 0; - hAss->latmFrameCounter = 0; + hAss->latmFrameCounter = 0; hAss->muxConfigPeriod = muxConfigPeriod; return ErrorStatus; } - /** * */ -UINT transportEnc_LatmCountTotalBitDemandHeader ( HANDLE_LATM_STREAM hAss , unsigned int streamDataLength ) -{ +UINT transportEnc_LatmCountTotalBitDemandHeader(HANDLE_LATM_STREAM hAss, + unsigned int streamDataLength) { UINT bitDemand = 0; switch (hAss->tt) { - case TT_MP4_LOAS: - case TT_MP4_LATM_MCP0: - case TT_MP4_LATM_MCP1: - if (hAss->subFrameCnt == 0) { - bitDemand = transportEnc_LatmCountFixBitDemandHeader ( hAss ); - } - bitDemand += transportEnc_LatmCountVarBitDemandHeader ( hAss , streamDataLength /*- bitDemand*/); - break; - default: - break; + case TT_MP4_LOAS: + case TT_MP4_LATM_MCP0: + case TT_MP4_LATM_MCP1: + if (hAss->subFrameCnt == 0) { + bitDemand = transportEnc_LatmCountFixBitDemandHeader(hAss); + } + bitDemand += transportEnc_LatmCountVarBitDemandHeader( + hAss, streamDataLength /*- bitDemand*/); + break; + default: + break; } return bitDemand; } -static TRANSPORTENC_ERROR -AdvanceAudioMuxElement ( - HANDLE_LATM_STREAM hAss, - HANDLE_FDK_BITSTREAM hBs, - int auBits, - int bufferFullness, - CSTpCallBacks *cb - ) -{ +static TRANSPORTENC_ERROR AdvanceAudioMuxElement(HANDLE_LATM_STREAM hAss, + HANDLE_FDK_BITSTREAM hBs, + int auBits, int bufferFullness, + CSTpCallBacks *cb) { TRANSPORTENC_ERROR ErrorStatus = TRANSPORTENC_OK; int insertMuxSetup; /* Insert setup data to assemble Buffer */ - if (hAss->subFrameCnt == 0) - { + if (hAss->subFrameCnt == 0) { if (hAss->muxConfigPeriod > 0) { insertMuxSetup = (hAss->latmFrameCounter == 0); - } else { + } else { insertMuxSetup = 0; } if (hAss->tt != TT_MP4_LATM_MCP0) { - if( insertMuxSetup ) { - FDKwriteBits( hBs, 0, 1 ); /* useSameStreamMux useNewStreamMux */ - CreateStreamMuxConfig(hAss, hBs, bufferFullness, cb); - if (ErrorStatus != TRANSPORTENC_OK) + if (insertMuxSetup) { + FDKwriteBits(hBs, 0, 1); /* useSameStreamMux useNewStreamMux */ + if (TRANSPORTENC_OK != (ErrorStatus = CreateStreamMuxConfig( + hAss, hBs, bufferFullness, cb))) { return ErrorStatus; + } } else { - FDKwriteBits( hBs, 1, 1 ); /* useSameStreamMux */ + FDKwriteBits(hBs, 1, 1); /* useSameStreamMux */ } } } @@ -699,9 +668,8 @@ AdvanceAudioMuxElement ( for (prog = 0; prog < hAss->noProgram; prog++) { for (layer = 0; layer < hAss->noLayer[prog]; layer++) { - ErrorStatus = WriteAuPayloadLengthInfo( hBs, auBits ); - if (ErrorStatus != TRANSPORTENC_OK) - return ErrorStatus; + ErrorStatus = WriteAuPayloadLengthInfo(hBs, auBits); + if (ErrorStatus != TRANSPORTENC_OK) return ErrorStatus; } } } @@ -711,14 +679,8 @@ AdvanceAudioMuxElement ( } TRANSPORTENC_ERROR -transportEnc_LatmWrite ( - HANDLE_LATM_STREAM hAss, - HANDLE_FDK_BITSTREAM hBs, - int auBits, - int bufferFullness, - CSTpCallBacks *cb - ) -{ +transportEnc_LatmWrite(HANDLE_LATM_STREAM hAss, HANDLE_FDK_BITSTREAM hBs, + int auBits, int bufferFullness, CSTpCallBacks *cb) { TRANSPORTENC_ERROR ErrorStatus; if (hAss->subFrameCnt == 0) { @@ -732,81 +694,76 @@ transportEnc_LatmWrite ( - only if loas - we must update the syncword distance (=audiomuxlengthbytes) later */ - if( hAss->tt == TT_MP4_LOAS && hAss->subFrameCnt == 0) - { + if (hAss->tt == TT_MP4_LOAS && hAss->subFrameCnt == 0) { /* Start new LOAS frame */ - FDKwriteBits( hBs, 0x2B7, 11 ); + FDKwriteBits(hBs, 0x2B7, 11); hAss->audioMuxLengthBytes = 0; - hAss->audioMuxLengthBytesPos = FDKgetValidBits( hBs ); /* store read pointer position */ - FDKwriteBits( hBs, hAss->audioMuxLengthBytes, 13 ); + hAss->audioMuxLengthBytesPos = + FDKgetValidBits(hBs); /* store read pointer position */ + FDKwriteBits(hBs, hAss->audioMuxLengthBytes, 13); } - ErrorStatus = AdvanceAudioMuxElement( - hAss, - hBs, - auBits, - bufferFullness, - cb - ); + ErrorStatus = AdvanceAudioMuxElement(hAss, hBs, auBits, bufferFullness, cb); - if (ErrorStatus != TRANSPORTENC_OK) - return ErrorStatus; + if (ErrorStatus != TRANSPORTENC_OK) return ErrorStatus; return ErrorStatus; } -void transportEnc_LatmAdjustSubframeBits(HANDLE_LATM_STREAM hAss, - int *bits) -{ +void transportEnc_LatmAdjustSubframeBits(HANDLE_LATM_STREAM hAss, int *bits) { /* Substract bits from possible previous subframe */ *bits -= hAss->latmSubframeStart; /* Add fill bits */ - if (hAss->subFrameCnt == 0) + if (hAss->subFrameCnt == 0) { + *bits += hAss->otherDataLenBits; *bits += hAss->fillBits; + } } - -void transportEnc_LatmGetFrame(HANDLE_LATM_STREAM hAss, - HANDLE_FDK_BITSTREAM hBs, - int *bytes) -{ +TRANSPORTENC_ERROR transportEnc_LatmGetFrame(HANDLE_LATM_STREAM hAss, + HANDLE_FDK_BITSTREAM hBs, + int *pBytes) { + TRANSPORTENC_ERROR ErrorStatus = TRANSPORTENC_OK; hAss->subFrameCnt++; - if (hAss->subFrameCnt >= hAss->noSubframes) - { - + if (hAss->subFrameCnt >= hAss->noSubframes) { /* Add LOAS frame length if required. */ - if (hAss->tt == TT_MP4_LOAS) - { - int latmBytes; - - latmBytes = (FDKgetValidBits(hBs)+7) >> 3; + if (hAss->tt == TT_MP4_LOAS) { + FDK_BITSTREAM tmpBuf; - /* write length info into assembler buffer */ - hAss->audioMuxLengthBytes = latmBytes - 3; /* 3=Syncword + length */ - { - FDK_BITSTREAM tmpBuf; + /* Determine frame length info */ + hAss->audioMuxLengthBytes = + ((FDKgetValidBits(hBs) + hAss->otherDataLenBits + 7) >> 3) - + 3; /* 3=Syncword + length */ - FDKinitBitStream( &tmpBuf, hBs->hBitBuf.Buffer, hBs->hBitBuf.bufSize, 0, BS_WRITER ) ; - FDKpushFor( &tmpBuf, hAss->audioMuxLengthBytesPos ); - FDKwriteBits( &tmpBuf, hAss->audioMuxLengthBytes, 13 ); - FDKsyncCache( &tmpBuf ); + /* Check frame length info */ + if (hAss->audioMuxLengthBytes >= (1 << 13)) { + ErrorStatus = TRANSPORTENC_INVALID_AU_LENGTH; + goto bail; } + + /* Write length info into assembler buffer */ + FDKinitBitStream(&tmpBuf, hBs->hBitBuf.Buffer, hBs->hBitBuf.bufSize, 0, + BS_WRITER); + FDKpushFor(&tmpBuf, hAss->audioMuxLengthBytesPos); + FDKwriteBits(&tmpBuf, hAss->audioMuxLengthBytes, 13); + FDKsyncCache(&tmpBuf); } + /* Write AudioMuxElement other data bits */ + FDKwriteBits(hBs, 0, hAss->otherDataLenBits); + /* Write AudioMuxElement byte alignment fill bits */ FDKwriteBits(hBs, 0, hAss->fillBits); - FDK_ASSERT( (FDKgetValidBits(hBs) % 8) == 0); + FDK_ASSERT((FDKgetValidBits(hBs) % 8) == 0); hAss->subFrameCnt = 0; FDKsyncCache(hBs); - *bytes = (FDKgetValidBits(hBs) + 7)>>3; - //FDKfetchBuffer(hBs, buffer, (UINT*)bytes); + *pBytes = (FDKgetValidBits(hBs) + 7) >> 3; - if (hAss->muxConfigPeriod > 0) - { + if (hAss->muxConfigPeriod > 0) { hAss->latmFrameCounter++; if (hAss->latmFrameCounter >= hAss->muxConfigPeriod) { @@ -816,32 +773,32 @@ void transportEnc_LatmGetFrame(HANDLE_LATM_STREAM hAss, } } else { /* No data this time */ - *bytes = 0; + *pBytes = 0; } + +bail: + return ErrorStatus; } /** * Init LATM/LOAS */ -TRANSPORTENC_ERROR transportEnc_Latm_Init( - HANDLE_LATM_STREAM hAss, - HANDLE_FDK_BITSTREAM hBs, - CODER_CONFIG *layerConfig, - UINT audioMuxVersion, - TRANSPORT_TYPE tt, - CSTpCallBacks *cb - ) -{ +TRANSPORTENC_ERROR transportEnc_Latm_Init(HANDLE_LATM_STREAM hAss, + HANDLE_FDK_BITSTREAM hBs, + CODER_CONFIG *layerConfig, + UINT audioMuxVersion, + TRANSPORT_TYPE tt, + CSTpCallBacks *cb) { TRANSPORTENC_ERROR ErrorStatus; int fractDelayPresent = 0; int prog, layer; int setupDataDistanceFrames = layerConfig->headerPeriod; - FDK_ASSERT(setupDataDistanceFrames>=0); + FDK_ASSERT(setupDataDistanceFrames >= 0); - for (prog=0; prog<LATM_MAX_PROGRAMS; prog++) { - for (layer=0; layer<LATM_MAX_LAYERS; layer++) { + for (prog = 0; prog < LATM_MAX_PROGRAMS; prog++) { + for (layer = 0; layer < LATM_MAX_LAYERS; layer++) { hAss->config[prog][layer] = NULL; hAss->m_linfo[prog][layer].streamID = -1; } @@ -850,32 +807,44 @@ TRANSPORTENC_ERROR transportEnc_Latm_Init( hAss->config[0][0] = layerConfig; hAss->m_linfo[0][0].streamID = 0; - ErrorStatus = transportEnc_InitLatmStream( hAss, - fractDelayPresent, - setupDataDistanceFrames, - (audioMuxVersion)?1:0, - tt - ); - if (ErrorStatus != TRANSPORTENC_OK) - goto bail; + ErrorStatus = transportEnc_InitLatmStream(hAss, fractDelayPresent, + setupDataDistanceFrames, + (audioMuxVersion) ? 1 : 0, tt); + if (ErrorStatus != TRANSPORTENC_OK) goto bail; - ErrorStatus = transportEnc_LatmSetNrOfSubframes( - hAss, - layerConfig->nSubFrames - ); - if (ErrorStatus != TRANSPORTENC_OK) - goto bail; + ErrorStatus = + transportEnc_LatmSetNrOfSubframes(hAss, layerConfig->nSubFrames); + if (ErrorStatus != TRANSPORTENC_OK) goto bail; /* Get the size of the StreamMuxConfig somehow */ - AdvanceAudioMuxElement(hAss, hBs, 0, 0, cb); - //CreateStreamMuxConfig(hAss, hBs, 0); + if (TRANSPORTENC_OK != + (ErrorStatus = AdvanceAudioMuxElement(hAss, hBs, 0, 0, cb))) { + goto bail; + } + + // CreateStreamMuxConfig(hAss, hBs, 0); bail: return ErrorStatus; } +TRANSPORTENC_ERROR transportEnc_LatmAddOtherDataBits(HANDLE_LATM_STREAM hAss, + const int otherDataBits) { + TRANSPORTENC_ERROR ErrorStatus = TRANSPORTENC_OK; + if ((hAss->otherDataLenBits != 0) || (otherDataBits % 8 != 0)) { + /* This implementation allows to add other data bits only once. + To keep existing alignment only whole bytes are allowed. */ + ErrorStatus = TRANSPORTENC_UNKOWN_ERROR; + } else { + /* Ensure correct addional bits in payload. */ + if (hAss->tt == TT_MP4_LATM_MCP0) { + hAss->otherDataLenBits = otherDataBits; + } else { + hAss->otherDataLenBits = otherDataBits - 9; + hAss->streamMuxConfigBits += 9; + } + } - - - + return ErrorStatus; +} |