From 6cfabd35363c3ef5e3b209b867169a500b3ccc3c Mon Sep 17 00:00:00 2001 From: Fraunhofer IIS FDK Date: Mon, 26 Feb 2018 20:17:00 +0100 Subject: 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 --- libFDK/include/mdct.h | 289 ++++++++++++++++++++++++++------------------------ 1 file changed, 149 insertions(+), 140 deletions(-) (limited to 'libFDK/include/mdct.h') diff --git a/libFDK/include/mdct.h b/libFDK/include/mdct.h index e1c2d74..e671da9 100644 --- a/libFDK/include/mdct.h +++ b/libFDK/include/mdct.h @@ -1,74 +1,85 @@ - -/* ----------------------------------------------------------------------------------------------------------- +/* ----------------------------------------------------------------------------- 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. +© 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 @@ -79,34 +90,47 @@ Am Wolfsmantel 33 www.iis.fraunhofer.de/amm amm-info@iis.fraunhofer.de ------------------------------------------------------------------------------------------------------------ */ - -/*************************** Fraunhofer IIS FDK Tools ********************** +----------------------------------------------------------------------------- */ - Author(s): Manuel Jander, Josef Hoepfl - Description: MDCT routines +/******************* Library for basic calculation routines ******************** -******************************************************************************/ + Author(s): Manuel Jander, Josef Hoepfl, Youliy Ninov, Daniel Hagel -#ifndef __MDCT_H__ -#define __MDCT_H__ + Description: MDCT/MDST routines +*******************************************************************************/ +#ifndef MDCT_H +#define MDCT_H #include "common_fix.h" -#define MDCT_OUT_HEADROOM 2 /* Output additional headroom */ -#define MDCT_OUTPUT_SCALE (DFRACT_BITS-SAMPLE_BITS-MDCT_OUT_HEADROOM) +#define MDCT_OUT_HEADROOM 2 /* Output additional headroom */ +#define PCM_OUT_BITS SAMPLE_BITS +#define PCM_OUT_HEADROOM 8 /* Must have the same values as DMXH_HEADROOM */ + +#define MDCT_OUTPUT_SCALE (-MDCT_OUT_HEADROOM + (DFRACT_BITS - SAMPLE_BITS)) /* Refer to "Output word length" in ISO/IEC 14496-3:2008(E) 23.2.3.6 */ -#define MDCT_OUTPUT_GAIN 16 +#define MDCT_OUTPUT_GAIN 16 -#if (SAMPLE_BITS == DFRACT_BITS) -#define IMDCT_SCALE(x) (INT_PCM)SATURATE_LEFT_SHIFT(x, -MDCT_OUTPUT_SCALE, SAMPLE_BITS) +#if (MDCT_OUTPUT_SCALE >= 0) +#define IMDCT_SCALE(x) SATURATE_RIGHT_SHIFT(x, MDCT_OUTPUT_SCALE, PCM_OUT_BITS) #else -#define IMDCT_SCALE(x) (INT_PCM)SATURATE_RIGHT_SHIFT(x, MDCT_OUTPUT_SCALE, SAMPLE_BITS) +#define IMDCT_SCALE(x) SATURATE_LEFT_SHIFT(x, -MDCT_OUTPUT_SCALE, PCM_OUT_BITS) #endif #define IMDCT_SCALE_DBL(x) (FIXP_DBL)(x) +#define MLT_FLAG_CURR_ALIAS_SYMMETRY 1 + +typedef enum { + BLOCK_LONG = 0, /* normal long block */ + BLOCK_START, /* long start block */ + BLOCK_SHORT, /* 8 short blocks sequence */ + BLOCK_STOP /* long stop block*/ +} BLOCK_TYPE; + +typedef enum { SHAPE_SINE = 0, SHAPE_KBD, SHAPE_LOL } WINDOW_SHAPE; + /** * \brief MDCT persistent data */ @@ -114,18 +138,24 @@ typedef struct { union { FIXP_DBL *freq; FIXP_DBL *time; - } overlap; /**< Pointer to overlap memory */ + } overlap; /**< Pointer to overlap memory */ + + const FIXP_WTP *prev_wrs; /**< pointer to previous right window slope */ + int prev_tl; /**< previous transform length */ + int prev_nr; /**< previous right window offset */ + int prev_fr; /**< previous right window slope length */ + int ov_offset; /**< overlap time data fill level */ + int ov_size; /**< Overlap buffer size in words */ - const FIXP_WTP *prev_wrs; /**< pointer to previous right window slope */ - int prev_tl; /**< previous tranform length */ - int prev_nr; /**< previous right window offset */ - int prev_fr; /**< previous right window slope length */ - int ov_offset; /**< overlap time data fill level */ - int ov_size; /**< Overlap buffer size in words */ + int prevAliasSymmetry; + int prevPrevAliasSymmetry; + FIXP_DBL *pFacZir; + FIXP_DBL *pAsymOvlp; /**< pointer to asymmetric overlap (used for stereo LPD + transition) */ } mdct_t; -typedef mdct_t* H_MDCT; +typedef mdct_t *H_MDCT; /** * \brief Initialize as valid MDCT handle @@ -133,68 +163,52 @@ typedef mdct_t* H_MDCT; * \param hMdct handle of an allocated MDCT handle. * \param overlap pointer to FIXP_DBL overlap buffer. * \param overlapBufferSize size in FIXP_DBLs of the given overlap buffer. - * \return void */ -void mdct_init( H_MDCT hMdct, - FIXP_DBL *overlap, - INT overlapBufferSize ); +void mdct_init(H_MDCT hMdct, FIXP_DBL *overlap, INT overlapBufferSize); /** - * \brief perform MDCT transform (time domain to frequency domain) with given parameters. + * \brief perform MDCT transform (time domain to frequency domain) with given + * parameters. * * \param hMdct handle of an allocated MDCT handle. - * \param spectrum pointer to where the resulting MDCT spectrum will be stored into. - * \param scalefactor pointer to the input scale shift value. Updated accordingly on return. - * \param input pointer to input time domain signal - * \param tl transformation length. - * \param nr right window slope offset (amount of window coefficients assumed to be 1.0) - * \param fr right overlap window slope length - * \param wrs pointer to the right side overlap window coefficients. + * \param pTimeData pointer to input time domain signal + * \param noInSamples number of input samples + * \param mdctData pointer to where the resulting MDCT spectrum will be stored + * into. + * \param nSpec number of spectra + * \param pMdctData_e pointer to the input data exponent. Updated accordingly on + * return for output data. * \return number of input samples processed. */ -INT mdct_block( - H_MDCT hMdct, - FIXP_DBL *spectrum, - INT *scalefactor, - INT_PCM *input, - INT tl, - INT nr, - INT fr, - const FIXP_WTB *wrs ); - +INT mdct_block(H_MDCT hMdct, const INT_PCM *pTimeData, const INT noInSamples, + FIXP_DBL *RESTRICT mdctData, const INT nSpec, const INT tl, + const FIXP_WTP *pRightWindowPart, const INT fr, + SHORT *pMdctData_e); /** - * \brief add/multiply 2/N transform gain and MPEG4 part 3 defined output gain (see definition - * of MDCT_OUTPUT_GAIN) to given mantissa factor and exponent. - * \param pGain pointer to the mantissa of a gain factor to be applied to IMDCT data. - * \param pExponent pointer to the exponent of a gain factor to be applied to IMDCT data. - * \param tl length of the IMDCT where the gain *pGain * (2 ^ *pExponent) will be applied to. + * \brief add/multiply 2/N transform gain and MPEG4 part 3 defined output gain + * (see definition of MDCT_OUTPUT_GAIN) to given mantissa factor and exponent. + * \param pGain pointer to the mantissa of a gain factor to be applied to IMDCT + * data. + * \param pExponent pointer to the exponent of a gain factor to be applied to + * IMDCT data. + * \param tl length of the IMDCT where the gain *pGain * (2 ^ *pExponent) will + * be applied to. */ -void imdct_gain( - FIXP_DBL *pGain, - int *pExponent, - int tl - ); +void imdct_gain(FIXP_DBL *pGain, int *pExponent, int tl); /** - * \brief drain buffered output samples into given buffer. Changes the MDCT state. + * \brief drain buffered output samples into given buffer. Changes the MDCT + * state. */ -INT imdct_drain( - H_MDCT hMdct, - FIXP_DBL * pTimeData, - INT nrSamplesRoom - ); - +INT imdct_drain(H_MDCT hMdct, FIXP_DBL *pTimeData, INT nrSamplesRoom); /** - * \brief Copy overlap time domain data to given buffer. Does not change the MDCT state. + * \brief Copy overlap time domain data to given buffer. Does not change the + * MDCT state. * \return number of actually copied samples (ov + nr). */ -INT imdct_copy_ov_and_nr( - H_MDCT hMdct, - FIXP_DBL * pTimeData, - INT nrSamples - ); +INT imdct_copy_ov_and_nr(H_MDCT hMdct, FIXP_DBL *pTimeData, INT nrSamples); /** * \brief Adapt MDCT parameters for non-matching window slopes. @@ -205,39 +219,34 @@ INT imdct_copy_ov_and_nr( * \param wls pointer to the left side overlap window coefficients. * \param noOutSamples desired number of output samples. */ -void imdct_adapt_parameters(H_MDCT hMdct, int *pfl, int *pnl, int tl, const FIXP_WTP *wls, int noOutSamples); +void imdct_adapt_parameters(H_MDCT hMdct, int *pfl, int *pnl, int tl, + const FIXP_WTP *wls, int noOutSamples); /** - * \brief perform several inverse MDCT transforms (frequency domain to time domain) with given parameters. + * \brief perform several inverse MLT transforms (frequency domain to time + * domain) with given parameters. * * \param hMdct handle of an allocated MDCT handle. - * \param output pointer to where the output time domain signal will be stored into. - * \param stride the stride factor for accessing time domain samples in output. + * \param output pointer to where the output time domain signal will be stored + * into. * \param spectrum pointer to the input MDCT spectra. - * \param scalefactors scale shift values of the input spectrum. + * \param scalefactors exponents of the input spectrum. * \param nSpec number of MDCT spectrums. * \param noOutSamples desired number of output samples. * \param tl transform length. * \param wls pointer to the left side overlap window coefficients. * \param fl left overlap window side length. - * \param wrs pointer to the right side overlap window coefficients of all individual IMDCTs. + * \param wrs pointer to the right side overlap window coefficients of all + * individual IMDCTs. * \param fr right overlap window side length of all individual IMDCTs. * \param gain factor to apply to output samples (if != 0). + * \param flags flags controlling the type of transform * \return number of output samples returned. */ -INT imdct_block( - H_MDCT hMdct, - FIXP_DBL *output, - FIXP_DBL *spectrum, - const SHORT scalefactor[], - const INT nSpec, - const INT noOutSamples, - const INT tl, - const FIXP_WTP *wls, - INT fl, - const FIXP_WTP *wrs, - const INT fr, - FIXP_DBL gain ); - - -#endif /* __MDCT_H__ */ +INT imlt_block(H_MDCT hMdct, FIXP_DBL *output, FIXP_DBL *spectrum, + const SHORT scalefactor[], const INT nSpec, + const INT noOutSamples, const INT tl, const FIXP_WTP *wls, + INT fl, const FIXP_WTP *wrs, const INT fr, FIXP_DBL gain, + int flags); + +#endif /* MDCT_H */ -- cgit v1.2.3