Fraunhofer AAC codec.

License boilerplate update to follow.

Change-Id: I2810460c11a58b6d148d84673cc031f3685e79b5

7 files changed, 1687 insertions, 0 deletions

diff --git a/libSYS/include/FDK_audio.h b/libSYS/include/FDK_audio.h
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+++ b/libSYS/include/FDK_audio.h
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+/**************************  Fraunhofer IIS FDK SysLib  **********************
+
+                        (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
+
+   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.
+
+******************************************************************************/
+
+/** \file   FDK_audio.h
+ *  \brief  Global audio struct and constant definitions.
+ */
+
+#ifndef FDK_AUDIO_H
+#define FDK_AUDIO_H
+
+#include "machine_type.h"
+#include "genericStds.h"
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+/**
+ * File format identifiers.
+ */
+typedef enum
+{
+  FF_UNKNOWN           = -1, /**< Unknown format.        */
+  FF_RAW               = 0,  /**< No container, bit stream data conveyed "as is". */
+
+  FF_MP4_3GPP          = 3,  /**< 3GPP file format.      */
+  FF_MP4_MP4F          = 4,  /**< MPEG-4 File format.     */
+
+  FF_RAWPACKETS        = 5,  /**< Proprietary raw packet file. */
+
+  FF_DRMCT             = 12  /**< Digital Radio Mondial (DRM30/DRM+) CT proprietary file format. */
+
+} FILE_FORMAT;
+
+/**
+ * Transport type identifiers.
+ */
+typedef enum
+{
+  TT_UNKNOWN           = -1, /**< Unknown format.            */
+  TT_MP4_RAW           = 0,  /**< "as is" access units (packet based since there is obviously no sync layer) */
+  TT_MP4_ADIF          = 1,  /**< ADIF bitstream format.     */
+  TT_MP4_ADTS          = 2,  /**< ADTS bitstream format.     */
+
+  TT_MP4_LATM_MCP1     = 6,  /**< Audio Mux Elements with muxConfigPresent = 1 */
+  TT_MP4_LATM_MCP0     = 7,  /**< Audio Mux Elements with muxConfigPresent = 0, out of band StreamMuxConfig */
+
+  TT_MP4_LOAS          = 10, /**< Audio Sync Stream.         */
+
+  TT_DRM               = 12, /**< Digital Radio Mondial (DRM30/DRM+) bitstream format. */
+
+  TT_MP1_L1            = 16, /**< MPEG 1 Audio Layer 1 audio bitstream. */
+  TT_MP1_L2            = 17, /**< MPEG 1 Audio Layer 2 audio bitstream. */
+  TT_MP1_L3            = 18, /**< MPEG 1 Audio Layer 3 audio bitstream. */
+
+  TT_RSVD50            = 50 /**< */
+
+} TRANSPORT_TYPE;
+
+/**
+ * Audio Object Type definitions.
+ */
+typedef enum
+{
+  AOT_NONE             = -1,
+  AOT_NULL_OBJECT      = 0,
+  AOT_AAC_MAIN         = 1, /**< Main profile                              */
+  AOT_AAC_LC           = 2, /**< Low Complexity object                     */
+  AOT_AAC_SSR          = 3,
+  AOT_AAC_LTP          = 4,
+  AOT_SBR              = 5,
+  AOT_AAC_SCAL         = 6,
+  AOT_TWIN_VQ          = 7,
+  AOT_CELP             = 8,
+  AOT_HVXC             = 9,
+  AOT_RSVD_10          = 10, /**< (reserved)                                */
+  AOT_RSVD_11          = 11, /**< (reserved)                                */
+  AOT_TTSI             = 12, /**< TTSI Object                               */
+  AOT_MAIN_SYNTH       = 13, /**< Main Synthetic object                     */
+  AOT_WAV_TAB_SYNTH    = 14, /**< Wavetable Synthesis object                */
+  AOT_GEN_MIDI         = 15, /**< General MIDI object                       */
+  AOT_ALG_SYNTH_AUD_FX = 16, /**< Algorithmic Synthesis and Audio FX object */
+  AOT_ER_AAC_LC        = 17, /**< Error Resilient(ER) AAC Low Complexity    */
+  AOT_RSVD_18          = 18, /**< (reserved)                                */
+  AOT_ER_AAC_LTP       = 19, /**< Error Resilient(ER) AAC LTP object        */
+  AOT_ER_AAC_SCAL      = 20, /**< Error Resilient(ER) AAC Scalable object   */
+  AOT_ER_TWIN_VQ       = 21, /**< Error Resilient(ER) TwinVQ object         */
+  AOT_ER_BSAC          = 22, /**< Error Resilient(ER) BSAC object           */
+  AOT_ER_AAC_LD        = 23, /**< Error Resilient(ER) AAC LowDelay object   */
+  AOT_ER_CELP          = 24, /**< Error Resilient(ER) CELP object           */
+  AOT_ER_HVXC          = 25, /**< Error Resilient(ER) HVXC object           */
+  AOT_ER_HILN          = 26, /**< Error Resilient(ER) HILN object           */
+  AOT_ER_PARA          = 27, /**< Error Resilient(ER) Parametric object     */
+  AOT_RSVD_28          = 28, /**< might become SSC                          */
+  AOT_PS               = 29, /**< PS, Parametric Stereo (includes SBR)      */
+  AOT_MPEGS            = 30, /**< MPEG Surround                             */
+
+  AOT_ESCAPE           = 31, /**< Signal AOT uses more than 5 bits          */
+
+  AOT_MP3ONMP4_L1      = 32, /**< MPEG-Layer1 in mp4                        */
+  AOT_MP3ONMP4_L2      = 33, /**< MPEG-Layer2 in mp4                        */
+  AOT_MP3ONMP4_L3      = 34, /**< MPEG-Layer3 in mp4                        */
+  AOT_RSVD_35          = 35, /**< might become DST                          */
+  AOT_RSVD_36          = 36, /**< might become ALS                          */
+  AOT_AAC_SLS          = 37, /**< AAC + SLS                                 */
+  AOT_SLS              = 38, /**< SLS                                       */
+  AOT_ER_AAC_ELD       = 39, /**< AAC Enhanced Low Delay                    */
+
+  AOT_USAC             = 42, /**< USAC                                      */
+  AOT_SAOC             = 43, /**< SAOC                                      */
+  AOT_LD_MPEGS         = 44, /**< Low Delay MPEG Surround                   */
+
+  AOT_RSVD50           = 50,  /**< Interim AOT for Rsvd50                   */
+
+  /* Pseudo AOTs */
+  AOT_MP2_AAC_MAIN     = 128, /**< Virtual AOT MP2 Main profile                           */
+  AOT_MP2_AAC_LC       = 129, /**< Virtual AOT MP2 Low Complexity profile                 */
+  AOT_MP2_AAC_SSR      = 130, /**< Virtual AOT MP2 Scalable Sampling Rate profile         */
+
+  AOT_MP2_SBR          = 132, /**< Virtual AOT MP2 Low Complexity Profile with SBR        */
+
+  AOT_DAB              = 134, /**< Virtual AOT for DAB (Layer2 with scalefactor CRC)      */
+  AOT_DABPLUS_AAC_LC   = 135, /**< Virtual AOT for DAB plus AAC-LC                        */
+  AOT_DABPLUS_SBR      = 136, /**< Virtual AOT for DAB plus HE-AAC                        */
+  AOT_DABPLUS_PS       = 137, /**< Virtual AOT for DAB plus HE-AAC v2                     */
+
+  AOT_PLAIN_MP1        = 140, /**< Virtual AOT for plain mp1                              */
+  AOT_PLAIN_MP2        = 141, /**< Virtual AOT for plain mp2                              */
+  AOT_PLAIN_MP3        = 142, /**< Virtual AOT for plain mp3                              */
+
+  AOT_DRM_AAC          = 143, /**< Virtual AOT for DRM (ER-AAC-SCAL without SBR)          */
+  AOT_DRM_SBR          = 144, /**< Virtual AOT for DRM (ER-AAC-SCAL with SBR)             */
+  AOT_DRM_MPEG_PS      = 145, /**< Virtual AOT for DRM (ER-AAC-SCAL with SBR and MPEG-PS) */
+  AOT_DRM_SURROUND     = 146, /**< Virtual AOT for DRM Surround (ER-AAC-SCAL (+SBR) +MPS) */
+
+  AOT_MP2_PS           = 156, /**< Virtual AOT MP2 Low Complexity Profile with SBR and PS */
+
+  AOT_MPEGS_RESIDUALS  = 256  /**< Virtual AOT for MPEG Surround residuals                */
+
+} AUDIO_OBJECT_TYPE;
+
+/** Channel Mode ( 1-7 equals MPEG channel configurations, others are arbitrary). */
+typedef enum {
+  MODE_INVALID    = -1,
+  MODE_UNKNOWN    = 0,
+  MODE_1          = 1,           /**< SCE                 */
+  MODE_2          = 2,           /**< CPE                 */
+  MODE_1_2        = 3,           /**< SCE,CPE             */
+  MODE_1_2_1      = 4,           /**< SCE,CPE,SCE         */
+  MODE_1_2_2      = 5,           /**< SCE,CPE,CPE         */
+  MODE_1_2_2_1    = 6,           /**< SCE,CPE,CPE,LFE     */
+  MODE_1_2_2_2_1  = 7,           /**< SCE,CPE,CPE,CPE,LFE */
+
+  MODE_1_1                      = 16,          /**< 2 SCEs (dual mono) */
+  MODE_1_1_1_1                  = 17,          /**< 4 SCEs */
+  MODE_1_1_1_1_1_1              = 18,          /**< 6 SCEs */
+  MODE_1_1_1_1_1_1_1_1          = 19,          /**< 8 SCEs */
+  MODE_1_1_1_1_1_1_1_1_1_1_1_1  = 20,          /**< 12 SCEs */
+
+  MODE_2_2                      = 21,          /**< 2 CPEs */
+  MODE_2_2_2                    = 22,          /**< 3 CPEs */
+  MODE_2_2_2_2                  = 23,          /**< 4 CPEs */
+  MODE_2_2_2_2_2_2              = 24,          /**< 6 CPEs */
+
+  MODE_2_1                      = 30           /**< CPE,SCE (ARIB standard) */
+
+} CHANNEL_MODE;
+
+/** Speaker description tags */
+typedef enum {
+  ACT_NONE,
+  ACT_FRONT,
+  ACT_SIDE,
+  ACT_BACK,
+  ACT_LFE,
+  ACT_FRONT_TOP,
+  ACT_SIDE_TOP,
+  ACT_BACK_TOP,
+  ACT_TOP /* Ts */
+} AUDIO_CHANNEL_TYPE;
+
+/**
+ * Audio Codec flags.
+ */
+#define AC_ER_VCB11     0x000001  /*!< aacSectionDataResilienceFlag     flag (from ASC): 1 means use virtual codebooks  */
+#define AC_ER_RVLC      0x000002  /*!< aacSpectralDataResilienceFlag     flag (from ASC): 1 means use huffman codeword reordering */
+#define AC_ER_HCR       0x000004  /*!< aacSectionDataResilienceFlag     flag (from ASC): 1 means use virtual codebooks  */
+#define AC_SCALABLE     0x000008  /*!< AAC Scalable*/
+#define AC_ELD          0x000010  /*!< AAC-ELD */
+#define AC_LD           0x000020  /*!< AAC-LD */
+#define AC_ER           0x000040  /*!< ER syntax */
+#define AC_BSAC         0x000080  /*!< BSAC */
+#define AC_USAC         0x000100  /*!< USAC */
+#define AC_USAC_TW      0x000200  /*!< USAC time warped filter bank is active */
+#define AC_USAC_NOISE   0x000400  /*!< USAC noise filling is active */
+#define AC_USAC_HBE     0x000800  /*!< USAC harmonic bandwidth extension is active */
+#define AC_RSVD50       0x001000  /*!< Rsvd50 */
+#define AC_SBR_PRESENT  0x002000  /*!< SBR present flag (from ASC)             */
+#define AC_SBRCRC       0x004000  /*!< SBR CRC present flag. Only relevant for AAC-ELD for now. */
+#define AC_PS_PRESENT   0x008000  /*!< PS present flag (from ASC or implicit)  */
+#define AC_MPS_PRESENT  0x010000  /*!< MPS present flag (from ASC or implicit) */
+#define AC_DRM          0x020000  /*!< DRM bit stream syntax */
+#define AC_INDEP        0x040000  /*!< Independency flag */
+#define AC_MPS_RES      0x080000  /*!< MPS residual individual channel data. */
+#define AC_DAB          0x800000  /*!< DAB bit stream syntax */
+#define AC_LD_MPS     0x01000000  /*!< Low Delay MPS. */
+
+
+/* CODER_CONFIG::flags */
+#define CC_MPEG_ID         0x00100000
+#define CC_IS_BASELAYER    0x00200000
+#define CC_PROTECTION      0x00400000
+#define CC_SBR             0x00800000
+#define CC_RVLC            0x01000000
+#define CC_VCB11           0x02000000
+#define CC_HCR             0x04000000
+#define CC_PSEUDO_SURROUND 0x08000000
+#define CC_USAC_NOISE      0x10000000
+#define CC_USAC_TW         0x20000000
+#define CC_USAC_HBE        0x40000000
+
+/** Generic audio coder configuration structure. */
+typedef struct {
+  AUDIO_OBJECT_TYPE aot;         /**< Audio Object Type (AOT).           */
+  AUDIO_OBJECT_TYPE extAOT;      /**< Extension Audio Object Type (SBR). */
+  CHANNEL_MODE channelMode;      /**< Channel mode.                      */
+  INT        samplingRate;       /**< Sampling rate.                     */
+  INT        extSamplingRate;    /**< Extended samplerate (SBR).         */
+  INT        bitRate;            /**< Average bitrate.                   */
+  int        samplesPerFrame;    /**< Number of PCM samples per codec frame and audio channel. */
+  int        noChannels;         /**< Number of audio channels.          */
+  int        bitsFrame;
+  int        nSubFrames;         /**< Amount of encoder subframes. 1 means no subframing.                                     */
+  int        BSACnumOfSubFrame;  /**< The number of the sub-frames which are grouped and transmitted in a super-frame (BSAC). */
+  int        BSAClayerLength;    /**< The average length of the large-step layers in bytes (BSAC).                            */
+  UINT       flags;              /**< flags */
+  UCHAR      matrixMixdownA;     /**< Matrix mixdown index to put into PCE. Default value 0 means no mixdown coefficient,
+                                      valid values are 1-4 which correspond to matrix_mixdown_idx 0-3. */
+  UCHAR      headerPeriod;       /**< Frame period for sending in band configuration buffers in the transport layer. */
+
+  UCHAR      stereoConfigIndex; /**< USAC MPS stereo mode */
+  UCHAR      sbrMode;           /**< USAC SBR mode */
+} CODER_CONFIG;
+
+/** MP4 Element IDs. */
+typedef enum
+{
+  ID_NONE = -1,   /**< Invalid Element helper ID.             */
+  ID_SCE = 0,     /**< Single Channel Element.                */
+  ID_CPE = 1,     /**< Channel Pair Element.                  */
+  ID_CCE = 2,     /**< Coupling Channel Element.              */
+  ID_LFE = 3,     /**< LFE Channel Element.                   */
+  ID_DSE = 4,     /**< Currently one Data Stream Element for ancillary data is supported. */
+  ID_PCE = 5,     /**< Program Config Element.                */
+  ID_FIL = 6,     /**< Fill Element.                          */
+  ID_END = 7,     /**< Arnie (End Element = Terminator).      */
+  ID_EXT = 8,     /**< Extension Payload (ER only).           */
+  ID_SCAL = 9,    /**< AAC scalable element (ER only).        */
+  ID_LAST
+} MP4_ELEMENT_ID;
+
+#define EXT_ID_BITS 4  /**< Size in bits of extension payload type tags. */
+
+/** Extension payload types. */
+typedef enum {
+  EXT_FIL           = 0x00,
+  EXT_FILL_DATA     = 0x01,
+  EXT_DATA_ELEMENT  = 0x02,
+  EXT_DATA_LENGTH   = 0x03,
+  EXT_LDSAC_DATA    = 0x09,
+  EXT_SAOC_DATA     = 0x0a,
+  EXT_DYNAMIC_RANGE = 0x0b,
+  EXT_SAC_DATA      = 0x0c,
+  EXT_SBR_DATA      = 0x0d,
+  EXT_SBR_DATA_CRC  = 0x0e
+} EXT_PAYLOAD_TYPE;
+
+
+/**
+ * Proprietary raw packet file configuration data type identifier.
+ */
+typedef enum
+{
+  TC_NOTHING = 0,     /* No configuration available -> in-band configuration.   */
+  TC_RAW_ASC,         /* Configuration data field is a raw AudioSpecificConfig. */
+  TC_RAW_SMC,         /* Configuration data field is a raw StreamMuxConfig.     */
+  TC_RAW_SDC          /* Configuration data field is a raw Drm SDC.             */
+
+} TP_CONFIG_TYPE;
+
+/*
+ * ##############################################################################################
+ * Library identification and error handling
+ * ##############################################################################################
+ */
+/* \cond */
+#define MODULE_ID_MASK  (0x000000ff)
+#define MODULE_ID_SHIFT (24)
+
+typedef enum {
+  FDK_NONE   = 0,
+  FDK_TOOLS  = 1,
+  FDK_SYSLIB = 2,
+  FDK_AACDEC = 3,
+  FDK_AACENC = 4,
+  FDK_SBRDEC = 5,
+  FDK_SBRENC = 6,
+  FDK_TPDEC  = 7,
+  FDK_TPENC  = 8,
+  FDK_MPSDEC = 9,
+  FDK_MPEGFILEREAD  = 10,
+  FDK_MPEGFILEWRITE = 11,
+  FDK_MP2DEC = 12,
+  FDK_DABDEC = 13,
+  FDK_DABPARSE = 14,
+  FDK_DRMDEC = 15,
+  FDK_DRMPARSE = 16,
+  FDK_AACLDENC = 17,
+  FDK_MP2ENC = 18,
+  FDK_MP3ENC = 19,
+  FDK_MP3DEC = 20,
+  FDK_MP3HEADPHONE = 21,
+  FDK_MP3SDEC = 22,
+  FDK_MP3SENC = 23,
+  FDK_EAEC    = 24,
+  FDK_DABENC  = 25,
+  FDK_DMBDEC  = 26,
+  FDK_FDREVERB = 27,
+  FDK_DRMENC  = 28,
+  FDK_METADATATRANSCODER = 29,
+  FDK_AC3DEC = 30,
+  FDK_PCMDMX = 31,
+
+  FDK_MODULE_LAST
+
+} FDK_MODULE_ID;
+
+/* AAC capability flags */
+#define CAPF_AAC_LC           0x00000001  /**< Support flag for AAC Low Complexity.                             */
+#define CAPF_ER_AAC_LD        0x00000002  /**< Support flag for AAC Low Delay with Error Resilience tools.      */
+#define CAPF_ER_AAC_SCAL      0x00000004  /**< Support flag for AAC Scalable.                                   */
+#define CAPF_ER_AAC_LC        0x00000008  /**< Support flag for AAC Low Complexity with Error Resilience tools. */
+#define CAPF_AAC_480          0x00000010  /**< Support flag for AAC with 480 framelength.  */
+#define CAPF_AAC_512          0x00000020  /**< Support flag for AAC with 512 framelength.  */
+#define CAPF_AAC_960          0x00000040  /**< Support flag for AAC with 960 framelength.  */
+#define CAPF_AAC_1024         0x00000080  /**< Support flag for AAC with 1024 framelength. */
+#define CAPF_AAC_HCR          0x00000100  /**< Support flag for AAC with Huffman Codeword Reordering.    */
+#define CAPF_AAC_VCB11        0x00000200  /**< Support flag for AAC Virtual Codebook 11.    */
+#define CAPF_AAC_RVLC         0x00000400  /**< Support flag for AAC Reversible Variable Length Coding.   */
+#define CAPF_AAC_MPEG4        0x00000800  /**< Support flag for MPEG file format.                           */
+#define CAPF_AAC_DRC          0x00001000  /**< Support flag for AAC Dynamic Range Control. */
+#define CAPF_AAC_CONCEALMENT  0x00002000  /**< Support flag for AAC concealment.           */
+#define CAPF_AAC_DRM_BSFORMAT 0x00004000  /**< Support flag for AAC DRM bistream format.                         */
+#define CAPF_ER_AAC_ELD       0x00008000  /**< Support flag for AAC Enhanced Low Delay with Error Resilience tools.  */
+#define CAPF_ER_AAC_BSAC      0x00010000  /**< Support flag for AAC BSAC.                           */
+#define CAPF_AAC_SUPERFRAMING 0x00020000  /**< Support flag for AAC Superframing.                           */
+
+/* Transport capability flags */
+#define CAPF_ADTS             0x00000001  /**< Support flag for ADTS transport format.        */
+#define CAPF_ADIF             0x00000002  /**< Support flag for ADIF transport format.        */
+#define CAPF_LATM             0x00000004  /**< Support flag for LATM transport format.        */
+#define CAPF_LOAS             0x00000008  /**< Support flag for LOAS transport format.        */
+#define CAPF_RAWPACKETS       0x00000010  /**< Support flag for RAW PACKETS transport format. */
+#define CAPF_DRM              0x00000020  /**< Support flag for DRM/DRM+ transport format.    */
+#define CAPF_RSVD50           0x00000040  /**< Support flag for RSVD50 transport format       */
+
+/* SBR capability flags */
+#define CAPF_SBR_LP           0x00000001  /**< Support flag for SBR Low Power mode.           */
+#define CAPF_SBR_HQ           0x00000002  /**< Support flag for SBR High Quality mode.        */
+#define CAPF_SBR_DRM_BS       0x00000004  /**< Support flag for                               */
+#define CAPF_SBR_CONCEALMENT  0x00000008  /**< Support flag for SBR concealment.              */
+#define CAPF_SBR_DRC          0x00000010  /**< Support flag for SBR Dynamic Range Control.    */
+#define CAPF_SBR_PS_MPEG      0x00000020  /**< Support flag for MPEG Parametric Stereo.       */
+#define CAPF_SBR_PS_DRM       0x00000040  /**< Support flag for DRM Parametric Stereo.        */
+
+/* MP2 encoder capability flags */
+#define CAPF_MP2ENC_SS        0x00000001  /**< Support flag for Seamless Switching.           */
+#define CAPF_MP2ENC_DAB       0x00000002  /**< Support flag for Layer2 DAB.                   */
+
+/* DAB capability flags */
+#define CAPF_DAB_MP2          0x00000001  /**< Support flag for Layer2 DAB.                   */
+#define CAPF_DAB_AAC          0x00000002  /**< Support flag for DAB+ (HE-AAC v2).             */
+#define CAPF_DAB_PAD          0x00000004  /**< Support flag for PAD extraction.               */
+#define CAPF_DAB_DRC          0x00000008  /**< Support flag for Dynamic Range Control.        */
+#define CAPF_DAB_SURROUND     0x00000010  /**< Support flag for DAB Surround (MPS).           */
+
+/* DMB capability flags */
+#define CAPF_DMB_BSAC         0x00000001  /**< Support flag for ER AAC BSAC.                  */
+#define CAPF_DMB_DRC          0x00000008  /**< Support flag for Dynamic Range Control.        */
+#define CAPF_DMB_SURROUND     0x00000010  /**< Support flag for DMB Surround (MPS).           */
+
+/* PCM up/downmmix capability flags */
+#define CAPF_DMX_BLIND        0x00000001  /**< Support flag for blind downmixing.             */
+#define CAPF_DMX_PCE          0x00000002  /**< Support flag for guided downmix with data from MPEG-2/4 Program Config Elements (PCE). */
+#define CAPF_DMX_ARIB         0x00000004  /**< Support flag for PCE guided downmix with slightly different equations and levels to fulfill ARIB standard. */
+#define CAPF_DMX_DVB          0x00000008  /**< Support flag for guided downmix with data from DVB ancillary data fields. */
+#define CAPF_DMX_CH_EXP       0x00000010  /**< Support flag for simple upmixing by dublicating channels or adding zero channels. */
+/* \endcond */
+
+
+/*
+ * ##############################################################################################
+ * Library versioning
+ * ##############################################################################################
+ */
+
+/**
+ * Convert each member of version numbers to one single numeric version representation.
+ * \param lev0  1st level of version number.
+ * \param lev1  2nd level of version number.
+ * \param lev2  3rd level of version number.
+  */
+#define LIB_VERSION(lev0, lev1, lev2) ((lev0<<24 & 0xff000000) | \
+                                       (lev1<<16 & 0x00ff0000) | \
+                                       (lev2<<8  & 0x0000ff00))
+
+/**
+ *  Build text string of version.
+ */
+#define LIB_VERSION_STRING(info) FDKsprintf((info)->versionStr, "%d.%d.%d", (((info)->version >> 24) & 0xff), (((info)->version >> 16) & 0xff), (((info)->version >> 8 ) & 0xff))
+
+/**
+ *  Library information.
+ */
+typedef struct LIB_INFO
+{
+  const char* title;
+  const char* build_date;
+  const char* build_time;
+  FDK_MODULE_ID module_id;
+  INT version;
+  UINT  flags;
+  char versionStr[32];
+} LIB_INFO;
+
+/** Initialize library info. */
+static inline void FDKinitLibInfo( LIB_INFO* info )
+{
+  int i;
+
+  for (i = 0; i < FDK_MODULE_LAST; i++) {
+    info[i].module_id = FDK_NONE;
+  }
+}
+
+/** Aquire supported features of library. */
+static inline UINT FDKlibInfo_getCapabilities( const LIB_INFO* info, FDK_MODULE_ID module_id )
+{
+  int i;
+
+  for (i=0; i<FDK_MODULE_LAST; i++) {
+    if (info[i].module_id == module_id) {
+      return info[i].flags;
+    }
+  }
+  return 0;
+}
+
+/** Search for next free tab. */
+static inline INT FDKlibInfo_lookup( const LIB_INFO* info, FDK_MODULE_ID module_id )
+{
+  int i = -1;
+
+  for (i = 0; i < FDK_MODULE_LAST; i++) {
+    if (info[i].module_id == module_id)
+      return -1;
+    if (info[i].module_id == FDK_NONE)
+      break;
+  }
+  if (i == FDK_MODULE_LAST)
+    return -1;
+
+  return i;
+}
+
+
+/*
+ * ##############################################################################################
+ * Buffer description
+ * ##############################################################################################
+ */
+
+/**
+ *  I/O buffer descriptor.
+ */
+typedef struct FDK_bufDescr
+{
+  void  **ppBase;     /*!< Pointer to an array containing buffer base addresses.
+                           Set to NULL for buffer requirement info. */
+  UINT   *pBufSize;   /*!< Pointer to an array containing the number of elements that can
+                           be placed in the specific buffer. */
+  UINT   *pEleSize;   /*!< Pointer to an array containing the element size for each buffer
+                           in bytes. That is mostly the number returned by the sizeof()
+                           operator for the data type used for the specific buffer. */
+  UINT   *pBufType;   /*!< Pointer to an array of bit fields containing a description
+                           for each buffer. See XXX below for more details.  */
+  UINT    numBufs;    /*!< Total number of buffers. */
+
+} FDK_bufDescr;
+
+/**
+ * Buffer type description field.
+ */
+#define FDK_BUF_TYPE_MASK_IO     ( 0x03 << 30 )
+#define FDK_BUF_TYPE_MASK_DESCR  ( 0x3F << 16 )
+#define FDK_BUF_TYPE_MASK_ID     ( 0xFF )
+
+#define FDK_BUF_TYPE_INPUT       ( 0x1 << 30 )
+#define FDK_BUF_TYPE_OUTPUT      ( 0x2 << 30 )
+
+#define FDK_BUF_TYPE_PCM_DATA    ( 0x1 << 16 )
+#define FDK_BUF_TYPE_ANC_DATA    ( 0x2 << 16 )
+#define FDK_BUF_TYPE_BS_DATA     ( 0x4 << 16 )
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* FDK_AUDIO_H */
diff --git a/libSYS/include/audio.h b/libSYS/include/audio.h
new file mode 100644
index 0000000..08e679d
--- /dev/null
+++ b/libSYS/include/audio.h
@@ -0,0 +1,44 @@
+/**************************  Fraunhofer IIS FDK SysLib  **********************
+
+                        (C) Copyright Fraunhofer IIS (2003)
+                               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: Manuel Jander
+
+   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.
+
+******************************************************************************/
+
+/** \file   audio.h
+ *  \brief  Audio device support.
+ *
+ * This component features audio playback and capture with a common API for
+ * any software/hardware platform.
+ *
+ * If you use Microsoft Visual C++ Version 6 and Ksmedia.h cannot be found,
+ * installing DirectX (e.g. dx9sdk_summer2004.exe) solves it.
+ *
+ */
+
+#ifndef AUDIO_H
+#define AUDIO_H
+
+
+
+#endif
diff --git a/libSYS/include/cmdl_parser.h b/libSYS/include/cmdl_parser.h
new file mode 100644
index 0000000..9ddf692
--- /dev/null
+++ b/libSYS/include/cmdl_parser.h
@@ -0,0 +1,159 @@
+/**************************  Fraunhofer IIS FDK SysLib  **********************
+
+                        (C) Copyright Fraunhofer IIS (1999)
+                               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):
+   Description: command line parser
+
+   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.
+
+******************************************************************************/
+
+/** \file   cmdl_parser.h
+ *  \brief  Command line parser.
+ *
+ *  The command line parser can extract certain data fields out of a character
+ *  string and assign values to variables. It has 2 main functions. One to parse
+ *  a command line in the form of standard C runtime "argc" and "argv" parameters,
+ *  and the other to assemble these parameters reading text lines from a file in
+ *  case the C runtime does not provide them.
+ */
+
+#ifndef  __PARSER_H
+#define __PARSER_H
+
+
+
+#include "machine_type.h"
+
+#define CMDL_MAX_STRLEN 255
+#define CMDL_MAX_ARGC    30
+
+/* \cond */
+/* Type definition for text */
+
+
+#ifdef WIN32
+  #include <tchar.h>
+  #ifndef _tstof  /* For Visual Studio 6 */
+    #ifdef _UNICODE
+      #include <wchar.h>
+      #define _tstof(x)   (float) wcstod(x, NULL)  /* For Visual Studio 6 */
+    #else
+      #define _tstof      atof
+    #endif
+  #endif
+
+  #ifndef _tstol  /* For Visual Studio 6 */
+    #ifdef _UNICODE
+      #define _tstol      _wtol
+    #else
+      #define _tstol      atol
+    #endif
+  #endif
+
+  #ifndef _tstoi  /* For Visual Studio 6 */
+    #ifdef _UNICODE
+      #define _tstoi      _wtoi
+    #else
+      #define _tstoi      atoi
+    #endif
+  #endif
+
+  #ifndef TEXTCHAR
+    #define TEXTCHAR char
+  #endif
+
+  #ifndef _TEXT
+    #define _TEXT
+  #endif
+
+#else /* WIN32 */
+
+    #define TEXTCHAR char
+    #define _tcslen(a)  FDKstrlen(a)
+    #define _tcscpy     strcpy
+    #define _tcscmp     FDKstrcmp
+    #define _tcsncmp    FDKstrncmp
+    #define _tscanf     scanf
+    #define _TEXT(x)    x
+    #define _tfopen     fopen
+    #define _ftprintf   fprintf
+    #define _tcsncpy    FDKstrncpy
+    #define _tstof      FDKatof
+    #define _tstol      FDKatol
+    #define _tstoi      FDKatoi
+    #define _tcstol     strtol
+    #define _istdigit   isdigit
+#endif /* WIN32 */
+
+/* \endcond */
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+/**
+ *  Scans argc, argv and a scanf style format string for parameters and stores the
+ *  values in the variable number of pointers passed to the function.
+
+ For example:
+   \code
+   #define ARG_PARAM  "(-a %d) (-v %1)"
+   #define ARG_VALUE &config->aot, &verbose
+   int nFoundArgs = IIS_ScanCmdl(argc, argv, ARG_PARAM, ARG_VALUE);
+   \endcode
+   wheras the wild-cards (\%d, \%1, ..) define the data type of the argument:
+	- \%1 boolean (e. g. -x)
+	- \%d integer (e. g. -x 23)
+	- \%f float (e. g. -x 3.4)
+	- \%y double (e. g. -x 31415926535897932384626433832795028841971693993751)
+	- \%s string (e. g. -x "file.dat")
+	- \%u unsigned character (e. g. -x 3)
+	- \%c signed character (e. g. -x -3)
+    More examples on how to use it are located in every (encoder/decoder) example framework.
+
+ * \param argc      Number of arguments.
+ * \param argv      Complete character string of the command line arguments.
+ * \param pReqArgs  A list of parameters and a corresponding list of memory addresses to
+ *                  assign each parameter to.
+ *
+ * \return  Number of found arguments.
+ */
+INT IIS_ScanCmdl(INT argc, TEXTCHAR* argv[], const TEXTCHAR* pReqArgs, ...);
+
+#ifdef __cplusplus
+}
+#endif
+
+/**
+ *  Reads a text file, assembles argc and argv parameters for each text line
+ *  and calls the given function for each set of argc, argv parameters.
+ *
+ * \param param_filename  Name of text file that should be parsed.
+ * \param pFunction       Pointer to function that should be called for every text line found.
+ *
+ * \return  0 on success, 1 on failure.
+ */
+INT IIS_ProcessCmdlList(const TEXTCHAR* param_filename, int (*pFunction)(int, TEXTCHAR**));
+
+
+#endif /* __PARSER_H */
diff --git a/libSYS/include/conv_string.h b/libSYS/include/conv_string.h
new file mode 100644
index 0000000..923ae4d
--- /dev/null
+++ b/libSYS/include/conv_string.h
@@ -0,0 +1,74 @@
+/**************************  Fraunhofer IIS FDK SysLib  **********************
+
+                        (C) Copyright Fraunhofer IIS (2009)
+                               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):
+
+   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.
+
+******************************************************************************/
+
+/** \file   conv_string.h
+ *  \brief  String conversion functions.
+ */
+
+#ifndef _CONV_STRING_H
+#define _CONV_STRING_H
+
+
+
+#include "genericStds.h"
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+/**
+ * \brief                Convert a bitbuffer to a hex string.
+ * \param string         Hex string.
+ * \param charBuf        Input buffer that has to be converted.
+ * \param charBufLength  Size of the input buffer.
+ * \return               Error code.
+ */
+INT charBuf2HexString(char *string, UCHAR *charBuf, INT charBufLength);
+
+/**
+ * \brief                Convert a hex string to bits.
+ * \param string         Hex string that has to be converted.
+ * \param charBuf        Output buffer holding the bits, will be filled up with zeros.
+ * \param charBufLength  Size of the output buffer.
+ * \return               Error code.
+ */
+INT hexString2CharBuf(const char *string, UCHAR *charBuf, UINT charBufLength);
+
+/**
+ * \brief    Convert a character representing a hex sign to the appropriate value.
+ * \param c  Character that has to be converted.
+ * \return   Converted value (value between 0 and 15), if 16, an error has occured.
+ */
+UCHAR hexChar2Dec(const char c);
+
+#ifdef __cplusplus
+}
+#endif
+
+
+#endif /* _CONV_STRING_H */
diff --git a/libSYS/include/genericStds.h b/libSYS/include/genericStds.h
new file mode 100644
index 0000000..8009050
--- /dev/null
+++ b/libSYS/include/genericStds.h
@@ -0,0 +1,421 @@
+/**************************  Fraunhofer IIS FDK SysLib  **********************
+
+                        (C) Copyright Fraunhofer IIS (2002)
+                               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):
+
+   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.
+
+******************************************************************************/
+
+/** \file   genericStds.h
+    \brief  Generic Run-Time Support function wrappers and heap allocation monitoring.
+ */
+
+#if !defined(__GENERICSTDS_H__)
+#define __GENERICSTDS_H__
+
+#include "machine_type.h"
+
+/* Work around for broken android toolchain: sys/types.h:137: error: 'uint64_t' does not name a type */
+#define _SYS_TYPES_H_
+
+
+/* Always increase verbosity of memory allocation in case of a debug built. DEBUG is defined globally in that case. */
+#if defined(DEBUG) || defined(FDK_DEBUG)
+#define MEMORY_MEASUREMENT
+#endif
+
+#ifndef M_PI
+  #define M_PI   3.14159265358979323846  /*! Pi. Only used in example projects. */
+#endif
+
+
+/* #define _CRT_SECURE_NO_DEPRECATE */
+
+
+/**
+ * Identifiers for various memory locations. They are used along with memory allocation
+ * functions like FDKcalloc_L() to specify the requested memory's location.
+ */
+typedef enum {
+  /* Internal */
+  SECT_DATA_L1 = 0x2000,
+  SECT_DATA_L2,
+  SECT_DATA_L1_A,
+  SECT_DATA_L1_B,
+  SECT_CONSTDATA_L1,
+
+  /* External */
+  SECT_DATA_EXTERN = 0x4000,
+  SECT_CONSTDATA_EXTERN
+
+} MEMORY_SECTION;
+
+
+/**
+ * The H_ prefix indicates header file version, the C_* prefix indicates the corresponding
+ * object version.
+ *
+ * Declaring memory areas requires to specify a unique name and a data type. Use the H_ macro
+ * for this purpose inside a header file.
+ *
+ * For defining a memory area your require additionally one or two sizes, depending if the
+ * memory should be organized into one or two dimensions.
+ *
+ * The macros containing the keyword AALLOC instead of ALLOC also do take care of returning
+ * aligned memory addresses (beyond the natural alignment of its type). The preprocesor macro
+ * ::ALIGNMENT_DEFAULT indicates the aligment to be used (this is hardware specific).
+ *
+ * The _L suffix indicates that the memory will be located in a specific section. This is
+ * useful to allocate critical memory section into fast internal SRAM for example.
+ *
+ */
+
+#define H_ALLOC_MEM(name,type)          type * Get ## name(int n=0); void Free ## name(type** p); \
+                                        UINT GetRequiredMem ## name(void);
+
+/** See #H_ALLOC_MEM for description. */
+#define H_ALLOC_MEM_OVERLAY(name,type)  type * Get ## name(int n=0); void Free ## name(type** p); \
+                                        UINT GetRequiredMem ## name(void);
+
+
+  /** See #H_ALLOC_MEM for description. */
+  #define C_ALLOC_MEM(name,type,num) \
+    type * Get ## name(int n) { FDK_ASSERT((n) == 0); return ((type*)FDKcalloc(num, sizeof(type))); } \
+    void Free ## name(type** p) { if (p != NULL) { FDKfree(*p); *p=NULL; } } \
+    UINT GetRequiredMem ## name(void) { return ALGN_SIZE_EXTRES((num) * sizeof(type)); }
+
+  /** See #H_ALLOC_MEM for description. */
+  #define C_ALLOC_MEM_STATIC(name,type,num) \
+    static type * Get ## name(int n) { FDK_ASSERT((n) == 0); return ((type*)FDKcalloc(num, sizeof(type))); } \
+    static void Free ## name(type** p) { if (p != NULL) { FDKfree(*p); *p=NULL; } } \
+    static UINT GetRequiredMem ## name(void) { return ALGN_SIZE_EXTRES((num) * sizeof(type)); }
+
+  /** See #H_ALLOC_MEM for description. */
+  #define C_ALLOC_MEM2(name,type,n1,n2) \
+    type * Get ## name (int n) { FDK_ASSERT((n) < (n2)); return ((type*)FDKcalloc(n1, sizeof(type))); } \
+    void Free ## name(type** p) { if (p != NULL) { FDKfree(*p); *p=NULL; } } \
+    UINT GetRequiredMem ## name(void) { return ALGN_SIZE_EXTRES((n1) * sizeof(type)) * (n2); }
+
+  /** See #H_ALLOC_MEM for description. */
+  #define C_AALLOC_MEM(name,type,num) \
+    type * Get ## name(int n) { FDK_ASSERT((n) == 0); return ((type*)FDKaalloc((num)*sizeof(type), ALIGNMENT_DEFAULT)); } \
+    void Free ## name(type** p) { if (p != NULL) { FDKafree(*p); *p=NULL; } } \
+    UINT GetRequiredMem ## name(void) { return ALGN_SIZE_EXTRES((num) * sizeof(type) + ALIGNMENT_DEFAULT + sizeof(void *)); }
+
+  /** See #H_ALLOC_MEM for description. */
+  #define C_AALLOC_MEM2(name,type,n1,n2) \
+    type * Get ## name (int n) { FDK_ASSERT((n) < (n2)); return ((type*)FDKaalloc((n1)*sizeof(type), ALIGNMENT_DEFAULT)); } \
+    void Free ## name(type** p) { if (p != NULL) { FDKafree(*p); *p=NULL; } } \
+    UINT GetRequiredMem ## name(void) { return ALGN_SIZE_EXTRES((n1) * sizeof(type) + ALIGNMENT_DEFAULT + sizeof(void *)) * (n2); }
+
+  /** See #H_ALLOC_MEM for description. */
+  #define C_ALLOC_MEM_L(name,type,num,s) \
+    type * Get ## name(int n) { FDK_ASSERT((n) == 0); return ((type*)FDKcalloc_L(num, sizeof(type), s)); } \
+    void Free ## name(type** p) { if (p != NULL) { FDKfree_L(*p); *p=NULL; } } \
+    UINT GetRequiredMem ## name(void) { return ALGN_SIZE_EXTRES((num) * sizeof(type)); }
+
+  /** See #H_ALLOC_MEM for description. */
+  #define C_ALLOC_MEM2_L(name,type,n1,n2,s) \
+    type * Get ## name (int n) { FDK_ASSERT((n) < (n2)); return (type*)FDKcalloc_L(n1, sizeof(type), s); } \
+    void Free ## name(type** p) { if (p != NULL) { FDKfree_L(*p); *p=NULL; } } \
+    UINT GetRequiredMem ## name(void) { return ALGN_SIZE_EXTRES((n1) * sizeof(type)) * (n2); }
+
+  /** See #H_ALLOC_MEM for description. */
+  #define C_AALLOC_MEM_L(name,type,num,s) \
+    type * Get ## name(int n) { FDK_ASSERT((n) == 0); return ((type*)FDKaalloc_L((num)*sizeof(type), ALIGNMENT_DEFAULT, s)); } \
+    void Free ## name(type** p) { if (p != NULL) { FDKafree_L(*p); *p=NULL; } } \
+    UINT GetRequiredMem ## name(void) { return ALGN_SIZE_EXTRES((num) * sizeof(type) + ALIGNMENT_DEFAULT + sizeof(void *)); }
+
+  /** See #H_ALLOC_MEM for description. */
+  #define C_AALLOC_MEM2_L(name,type,n1,n2,s) \
+    type * Get ## name (int n) { FDK_ASSERT((n) < (n2)); return ((type*)FDKaalloc_L((n1)*sizeof(type), ALIGNMENT_DEFAULT, s)); } \
+    void Free ## name(type** p) { if (p != NULL) { FDKafree_L(*p); *p=NULL; } } \
+    UINT GetRequiredMem ## name(void) { return ALGN_SIZE_EXTRES((n1) * sizeof(type) + ALIGNMENT_DEFAULT + sizeof(void *)) * (n2); }
+
+/** See #H_ALLOC_MEM_OVERLAY for description. */
+
+
+  #define C_ALLOC_MEM_OVERLAY(name,type,num,sect,tag) C_AALLOC_MEM_L(name,type,num,sect)
+
+
+   #define C_AALLOC_SCRATCH_START(name,type,n) \
+     type _ ## name[(n)+(ALIGNMENT_DEFAULT+sizeof(type)-1)]; \
+     type * name = (type*)ALIGN_PTR(_ ## name); \
+
+   #define C_ALLOC_SCRATCH_START(name,type,n) \
+     type name[n];
+
+   #define C_AALLOC_SCRATCH_END(name,type,n)
+   #define C_ALLOC_SCRATCH_END(name,type,n)
+
+
+/*--------------------------------------------
+ * Runtime support declarations
+ *---------------------------------------------*/
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/** printf() using stdout. If ::ARCH_WA_FLUSH_CONSOLE defined, a flush is  done additionally after printf(). */
+void FDKprintf    ( const char* szFmt, ...);
+
+/** printf() using stderr. If ::ARCH_WA_FLUSH_CONSOLE defined, a flush is done additionally after printf(). */
+void FDKprintfErr ( const char* szFmt, ...);
+
+/** Wrapper for <stdio.h>'s getchar(). */
+int FDKgetchar(void);
+
+INT  FDKfprintf(void  *stream,  const  char *format, ...);
+INT  FDKsprintf(char *str, const char *format, ...);
+
+
+
+const char *FDKstrchr(const char *s, INT c);
+const char *FDKstrstr(const char *haystack, const char *needle);
+char *FDKstrcpy(char *dest, const char *src);
+char *FDKstrncpy(char *dest, const char *src, const UINT n);
+
+#define FDK_MAX_OVERLAYS 8   /**< Maximum number of memory overlays. */
+
+
+void *FDKcalloc (const UINT n, const UINT size);
+void *FDKmalloc (const UINT size);
+void  FDKfree   (void *ptr);
+
+/**
+ *  Allocate and clear an aligned memory area. Use FDKafree() instead of FDKfree() for these memory areas.
+ *
+ * \param size       Size of requested memory in bytes.
+ * \param alignment  Alignment of requested memory in bytes.
+ * \return           Pointer to allocated memory.
+ */
+void *FDKaalloc (const UINT size, const UINT alignment);
+
+/**
+ *  Free an aligned memory area.
+ *
+ * \param ptr  Pointer to be freed.
+ * \return     void
+ */
+void FDKafree (void *ptr);
+
+
+/**
+ *  Allocate memory in a specific memory section.
+ *  Requests can be made for internal or external memory. If internal memory is
+ *  requested, FDKcalloc_L() first tries to use L1 memory, which sizes are defined
+ *  by ::DATA_L1_A_SIZE and ::DATA_L1_B_SIZE. If no L1 memory is available, then
+ *  FDKcalloc_L() tries to use L2 memory. If that fails as well, the requested
+ *  memory is allocated at an extern location using the fallback FDKcalloc().
+ *
+ * \param n     See MSDN documentation on calloc().
+ * \param size  See MSDN documentation on calloc().
+ * \param s     Memory section.
+ * \return      See MSDN documentation on calloc().
+ */
+void *FDKcalloc_L(const UINT n, const UINT size, MEMORY_SECTION s);
+
+/**
+ *  Allocate aligned memory in a specific memory section.
+ *  See FDKcalloc_L() description for details - same applies here.
+ */
+void *FDKaalloc_L(const UINT size, const UINT alignment, MEMORY_SECTION s);
+
+/**
+ *  Free memory that was allocated in a specific memory section.
+ */
+void  FDKfree_L(void *ptr);
+
+/**
+ *  Free aligned memory that was allocated in a specific memory section.
+ */
+void  FDKafree_L(void *ptr);
+
+
+/**
+ * Copy memory. Source and destination memory must not overlap.
+ * Either use implementation from a Standard Library, or, if no Standard Library
+ * is available, a generic implementation.
+ * The define ::USE_BUILTIN_MEM_FUNCTIONS in genericStds.cpp controls what to use.
+ * The function arguments correspond to the standard memcpy(). Please see MSDN
+ * documentation for details on how to use it.
+ */
+void FDKmemcpy(void *dst, const void *src, const UINT size);
+
+/**
+ * Copy memory. Source and destination memory are allowed to overlap.
+ * Either use implementation from a Standard Library, or, if no Standard Library
+ * is available, a generic implementation.
+ * The define ::USE_BUILTIN_MEM_FUNCTIONS in genericStds.cpp controls what to use.
+ * The function arguments correspond to the standard memmove(). Please see MSDN
+ * documentation for details on how to use it.
+*/
+void FDKmemmove(void *dst, const void *src, const UINT size);
+
+/**
+ * Clear memory.
+ * Either use implementation from a Standard Library, or, if no Standard Library
+ * is available, a generic implementation.
+ * The define ::USE_BUILTIN_MEM_FUNCTIONS in genericStds.cpp controls what to use.
+ * The function arguments correspond to the standard memclear(). Please see MSDN
+ * documentation for details on how to use it.
+*/
+void FDKmemclear(void *memPtr, const UINT size);
+
+/**
+ * Fill memory with values.
+ * The function arguments correspond to the standard memset(). Please see MSDN
+ * documentation for details on how to use it.
+ */
+void FDKmemset(void *memPtr, const INT value, const UINT size);
+
+/* Compare function wrappers */
+INT   FDKmemcmp(const void *s1, const void *s2, const UINT size);
+INT   FDKstrcmp(const char *s1, const char *s2);
+INT   FDKstrncmp(const char *s1, const char *s2, const UINT size);
+
+UINT  FDKstrlen(const char *s);
+
+#define FDKmax(a,b) ( (a) > (b) ? (a):(b))
+#define FDKmin(a,b) ( (a) < (b) ? (a):(b))
+
+#define FDK_INT_MAX ((INT)0x7FFFFFFF)
+#define FDK_INT_MIN ((INT)0x80000000)
+
+/* Math function wrappers. Only intended for compatibility, not to be highly optimized. */
+/* Used for debugging, dev code .. */
+
+INT FDKabs(INT j);
+double FDKfabs(double x);
+double FDKpow(double x, double y);
+double FDKsqrt(double x);
+double FDKatan(double x);
+double FDKlog(double x);
+double FDKsin(double x);
+double FDKcos(double x);
+double FDKexp(double x);
+#define FDKlog2(a) (FDKlog(a)*1.442695041) /* log(2.0) = 1.442695041 */
+#define FDKlog10(a) (FDKlog(a)*0.434294482) /* 1.0/log(10.0) = 0.434294482 */
+double FDKatan2(double y, double x);
+double FDKacos(double x);
+double FDKtan(double x);
+double FDKfloor(double x);
+double FDKceil(double x);
+INT   FDKatoi(const char *nptr);
+long  FDKatol(const char *nptr);
+float FDKatof(const char *nptr);
+/* LONG LONG FDKatoll(const char *nptr); */
+/* LONG LONG FDKatoq(const char *nptr); */
+
+
+
+/* FILE I/O */
+
+/*!
+ *  Check platform for endianess.
+ *
+ * \return  1 if platform is little endian, non-1 if platform is big endian.
+ */
+#ifdef __cplusplus
+inline
+#else
+static
+#endif
+int IS_LITTLE_ENDIAN(void) {
+  int __dummy = 1;
+  return ( *( (UCHAR*)(&(__dummy) ) ) );
+}
+
+/*!
+ *  Convert input value to little endian format.
+ *
+ * \param val  Value to be converted. It may be in both big or little endian.
+ * \return     Value in little endian format.
+ */
+#define TO_LITTLE_ENDIAN(val) \
+  ( (IS_LITTLE_ENDIAN()) ? \
+     (val) \
+   : ( (((val) & 0xff) << 24) || (((val) & 0xff00)<< 8) || (((val) & 0xff0000)>>8) || (((val) & 0xff000000) >> 24) ) )
+
+
+/*!
+ * \fn     FDKFILE *FDKfopen(const char *filename, const char *mode);
+ *         Standard fopen() wrapper.
+ * \fn     INT FDKfclose(FDKFILE *FP);
+ *         Standard fclose() wrapper.
+ * \fn     INT FDKfseek(FDKFILE *FP, LONG OFFSET, int WHENCE);
+ *         Standard fseek() wrapper.
+ * \fn     INT FDKftell(FDKFILE *FP);
+ *         Standard ftell() wrapper.
+ * \fn     INT FDKfflush(FDKFILE *fp);
+ *         Standard fflush() wrapper.
+ * \fn     UINT FDKfwrite(void *ptrf, INT size, UINT nmemb, FDKFILE *fp);
+ *         Standard fwrite() wrapper.
+ * \fn     UINT FDKfread(void *dst, INT size, UINT nmemb, FDKFILE *fp);
+ *         Standard fread() wrapper.
+ */
+typedef void FDKFILE;
+extern const INT FDKSEEK_SET, FDKSEEK_CUR, FDKSEEK_END;
+
+FDKFILE *FDKfopen(const char *filename, const char *mode);
+INT FDKfclose(FDKFILE *FP);
+INT FDKfseek(FDKFILE *FP, LONG OFFSET, int WHENCE);
+INT FDKftell(FDKFILE *FP);
+INT FDKfflush(FDKFILE *fp);
+UINT FDKfwrite(void *ptrf, INT size, UINT nmemb, FDKFILE *fp);
+UINT FDKfread(void *dst, INT size, UINT nmemb, FDKFILE *fp);
+char* FDKfgets(void *dst, INT size, FDKFILE *fp);
+void FDKrewind(FDKFILE *fp);
+INT FDKfeof(FDKFILE *fp);
+
+/**
+ * \brief        Write each member in little endian order. Convert automatically to host endianess.
+ * \param ptrf   Pointer to memory where to read data from.
+ * \param size   Size of each item to be written.
+ * \param nmemb  Number of items to be written.
+ * \param fp     File pointer of type FDKFILE.
+ * \return       Number of items read on success and fread() error on failure.
+ */
+UINT FDKfwrite_EL(void *ptrf, INT size, UINT nmemb, FDKFILE *fp);
+
+/**
+ * \brief        Read variable of size "size" as little endian. Convert automatically to host endianess.
+ *                4-byte alignment is enforced for 24 bit data, at 32 bit full scale.
+ * \param dst    Pointer to memory where to store data into.
+ * \param size   Size of each item to be read.
+ * \param nmemb  Number of items to be read.
+ * \param fp     File pointer of type FDKFILE.
+ * \return       Number of items read on success and fread() error on failure.
+ */
+UINT FDKfread_EL(void *dst, INT size, UINT nmemb, FDKFILE *fp);
+
+
+/**
+ * \brief  Print FDK software disclaimer.
+ */
+void FDKprintDisclaimer(void);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __GENERICSTDS_H__ */
diff --git a/libSYS/include/machine_type.h b/libSYS/include/machine_type.h
new file mode 100644
index 0000000..6b9b7e6
--- /dev/null
+++ b/libSYS/include/machine_type.h
@@ -0,0 +1,295 @@
+/**************************  Fraunhofer IIS FDK SysLib  **********************
+
+                        (C) Copyright Fraunhofer IIS (2003)
+                               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):
+
+   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.
+
+******************************************************************************/
+
+/** \file   machine_type.h
+ *  \brief  Type defines for various processors and compiler tools.
+ */
+
+#if !defined(__MACHINE_TYPE_H__)
+#define __MACHINE_TYPE_H__
+
+
+/* Library calling convention spec. __cdecl and friends might be added here as required. */
+  #define LINKSPEC_H
+  #define LINKSPEC_CPP
+
+
+/**
+ *  collate all corresponding compiler specific macros to detect a debug build, and set the DEBUG macro if that is the case.
+ */
+#if defined(_DEBUG)
+#define DEBUG
+#endif
+
+
+/* for doxygen the following docu parts must be separated */
+/** \var  SCHAR
+ *        Data type representing at least 1 byte signed integer on all supported platforms.
+ */
+/** \var  UCHAR
+ *        Data type representing at least 1 byte unsigned integer on all supported platforms.
+ */
+/** \var  INT
+ *        Data type representing at least 4 byte signed integer on all supported platforms.
+ */
+/** \var  UINT
+ *        Data type representing at least 4 byte unsigned integer on all supported platforms.
+ */
+/** \var  LONG
+ *        Data type representing 4 byte signed integer on all supported platforms.
+ */
+/** \var  ULONG
+ *        Data type representing 4 byte unsigned integer on all supported platforms.
+ */
+/** \var  SHORT
+ *        Data type representing 2 byte signed integer on all supported platforms.
+ */
+/** \var  USHORT
+ *        Data type representing 2 byte unsigned integer on all supported platforms.
+ */
+/** \var  INT64
+ *        Data type representing 8 byte signed integer on all supported platforms.
+ */
+/** \var  UINT64
+ *        Data type representing 8 byte unsigned integer on all supported platforms.
+ */
+/** \def  SHORT_BITS
+ *        Number of bits the data type short represents. sizeof() is not suited to get this info,
+ *        because a byte is not always defined as 8 bits.
+ */
+/** \def  CHAR_BITS
+ *        Number of bits the data type char represents. sizeof() is not suited to get this info,
+ *        because a byte is not always defined as 8 bits.
+ */
+/** \var  INT_PCM
+ *        Data type representing the width of input and output PCM samples.
+ */
+
+
+  typedef signed int INT;
+  typedef unsigned int UINT;
+#ifdef __x86_64__
+  /* force FDK long-datatypes to 4 byte  */
+  /* jdr: Use defines to avoid type alias problems on 64 bit machines. */
+  #define LONG INT
+  #define ULONG UINT
+#else /* __x86_64__ */
+  typedef signed long LONG;
+  typedef unsigned long ULONG;
+#endif	/* __x86_64__ */
+  typedef signed short SHORT;
+  typedef unsigned short USHORT;
+  typedef signed char SCHAR;
+  typedef unsigned char UCHAR;
+
+  #define SHORT_BITS 16
+  #define CHAR_BITS 8
+
+
+/* Define 64 bit base integer type. */
+#ifdef _WIN32
+  typedef __int64 INT64;
+  typedef unsigned __int64 UINT64;
+#else
+  typedef long long INT64;
+  typedef unsigned long long UINT64;
+#endif
+
+#ifndef NULL
+  #ifdef __cplusplus
+    #define NULL    0
+  #else
+    #define NULL    ((void *)0)
+  #endif
+#endif
+
+/* Assert is functional on x86 PC's and also when debugging is turned on. */
+#if defined(DEBUG) || defined(__i686__) || defined(__i586__) || defined(__i386__) || defined(__x86_64__) || defined(_M_IX86) || defined(FDK_DEBUG) || defined(FDK_ASSERT_ENABLE)
+  #include <assert.h>
+  #define FDK_ASSERT(x) assert(x)
+#else
+  #define FDK_ASSERT(ignore)
+#endif
+
+  typedef SHORT        INT_PCM;
+  #define WAV_BITS     16
+  #define SAMPLE_BITS  16
+  #define SAMPLE_MAX (((LONG)1<<(SAMPLE_BITS-1))-1)
+  #define SAMPLE_MIN (~SAMPLE_MAX)
+
+/*!
+* \def    RAM_ALIGN
+*  Used to align memory as prefix before memory declaration. For example:
+   \code
+   RAM_ALIGN
+   int myArray[16];
+   \endcode
+
+   Note, that not all platforms support this mechanism. For example with TI compilers
+   a preprocessor pragma is used, but to do something like
+
+   \code
+   #define RAM_ALIGN #pragma DATA_ALIGN(x)
+   \encode
+
+   would require the preprocessor to process this line twice to fully resolve it. Hence,
+   a fully platform-independant way to use alignment is not supported.
+
+* \def    ALIGNMENT_DEFAULT
+*         Default alignment in bytes.
+*/
+#if defined(__GNUC__)	/* cppp replaced: elif */
+  #define ALIGNMENT_DEFAULT 8
+  #define RAM_ALIGN __attribute__((aligned(ALIGNMENT_DEFAULT)))
+#else
+  #define ALIGNMENT_DEFAULT 8
+  #define RAM_ALIGN
+#endif
+
+
+/*!
+* \def  RESTRICT
+*       The restrict keyword is supported by some platforms and RESTRICT maps to
+*       either the corresponding keyword on each platform or to void if the
+*       compiler does not provide such feature.
+*
+* \def  WORD_ALIGNED(x)
+*       Tells the compiler that pointer x is WORD aligned.
+*       At the moment only supported by TI compilers.
+*
+* \def  DWORD_ALIGNED(x)
+*       Tells the compiler that pointer x is DWORD aligned.
+*       At the moment only supported by TI compilers.
+*/
+  #define RESTRICT
+  #define WORD_ALIGNED(x)
+  #define DWORD_ALIGNED(x)
+
+
+/*-----------------------------------------------------------------------------------
+ * ALIGN_SIZE
+ *-----------------------------------------------------------------------------------*/
+/*!
+ * \brief  This macro aligns a given value depending on ::ALIGNMENT_DEFAULT.
+ *
+ * For example if #ALIGNMENT_DEFAULT equals 8, then:
+ * - ALIGN_SIZE(3) returns 8
+ * - ALIGN_SIZE(8) returns 8
+ * - ALIGN_SIZE(9) returns 16
+ */
+#define ALIGN_SIZE(a) ((a)+ (((INT)ALIGNMENT_DEFAULT - ((INT)(a) & (ALIGNMENT_DEFAULT-1)) ) & (ALIGNMENT_DEFAULT-1)))
+
+/*-----------------------------------------------------------------------------------
+ * ALIGN_PTR
+ * cast (a) to width of pointer
+ *-----------------------------------------------------------------------------------*/
+/*!
+ * \brief  This macro aligns a given address depending on ::ALIGNMENT_DEFAULT.
+ */
+#define ALIGN_PTR(a) ( (unsigned char*)(a) + (((INT)ALIGNMENT_DEFAULT - ((INT)(UINT64)(a) & (ALIGNMENT_DEFAULT-1)) ) & (ALIGNMENT_DEFAULT-1)) )
+
+ /* Alignment macro for libSYS heap implementation */
+#define ALIGNMENT_EXTRES    ( ALIGNMENT_DEFAULT )
+#define ALGN_SIZE_EXTRES(a) ((a)+ (((INT)ALIGNMENT_EXTRES - ((INT)(a) & (ALIGNMENT_EXTRES-1)) ) & (ALIGNMENT_EXTRES-1)))
+
+
+/*!
+ * \def  FORCEINLINE
+ *       Sometimes compiler do not do what they are told to do, and in case of inlining some
+ *       additional command might be necessary depending on the platform.
+ *
+ * \def  FDK_INLINE
+ *       Defines how the compiler is told to inline stuff.
+ */
+#ifdef DEBUG
+#undef FORCEINLINE
+#define FORCEINLINE
+#else
+#ifndef FORCEINLINE
+  #if defined(__GNUC__)	/* cppp replaced: elif */
+    #define FORCEINLINE __attribute((always_inline))
+  #else
+    #define FORCEINLINE
+  #endif
+#endif
+#endif
+
+  /* for all other platforms */
+  #define FDK_INLINE inline
+
+
+/*!
+ * \def  LNK_SECTION_DATA_L1
+ *       The LNK_SECTION_* defines allow memory to be drawn from specific memory
+ *       sections. Used as prefix before variable declaration.
+ *
+ * \def  LNK_SECTION_DATA_L2
+ *       See ::LNK_SECTION_DATA_L1
+ * \def  LNK_SECTION_L1_DATA_A
+ *       See ::LNK_SECTION_DATA_L1
+ * \def  LNK_SECTION_L1_DATA_B
+ *       See ::LNK_SECTION_DATA_L1
+ * \def  LNK_SECTION_CONSTDATA_L1
+ *       See ::LNK_SECTION_DATA_L1
+ * \def  LNK_SECTION_CONSTDATA
+ *       See ::LNK_SECTION_DATA_L1
+ * \def  LNK_SECTION_CODE_L1
+ *       See ::LNK_SECTION_DATA_L1
+ * \def  LNK_SECTION_CODE_L2
+ *       See ::LNK_SECTION_DATA_L1
+ * \def  LNK_SECTION_INITCODE
+ *       See ::LNK_SECTION_DATA_L1
+ */
+/**************************************************
+ * Code Section macros
+ **************************************************/
+  #define LNK_SECTION_CODE_L1
+  #define LNK_SECTION_CODE_L2
+  #define LNK_SECTION_INITCODE
+
+/* Memory section macros. */
+
+  /* default fall back */
+  #define LNK_SECTION_DATA_L1
+  #define LNK_SECTION_DATA_L2
+  #define LNK_SECTION_CONSTDATA
+  #define LNK_SECTION_CONSTDATA_L1
+
+  #define LNK_SECTION_L1_DATA_A
+  #define LNK_SECTION_L1_DATA_B
+
+
+#ifdef _MSC_VER
+  /*
+   * Sometimes certain features are excluded from compilation and therefore the warning 4065 may occur:
+   * "switch statement contains 'default' but no 'case' labels"
+   * We consider this warning irrelevant and disable it.
+   */
+  #pragma warning( disable : 4065 )
+#endif
+
+#endif /* __MACHINE_TYPE_H__ */
diff --git a/libSYS/include/wav_file.h b/libSYS/include/wav_file.h
new file mode 100644
index 0000000..bebf112
--- /dev/null
+++ b/libSYS/include/wav_file.h
@@ -0,0 +1,150 @@
+/**************************  Fraunhofer IIS FDK SysLib  **********************
+
+                        (C) Copyright Fraunhofer IIS (2000)
+                               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):   Eric Allamanche
+
+   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.
+
+******************************************************************************/
+
+/** \file   wav_file.h
+ *  \brief  Rudimentary WAVE file read/write support.
+ *
+ *  The WAVE file reader/writer is intented to be used in the codec's example
+ *  framework for easily getting started with encoding/decoding. Therefore
+ *  it serves mainly for helping quickly understand how a codec's API actually
+ *  works.
+ *  Being a WAVE file reader/writer with very basic functionality, it may not be
+ *  able to read WAVE files that come with unusual configurations.
+ *  Details on how to use the interface functions can be found in every
+ *  (encoder/decoder) example framework.
+ */
+
+#ifndef __WAV_FILE_H__
+#define __WAV_FILE_H__
+
+
+
+#include "genericStds.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*!
+ * RIFF WAVE file struct.
+ * For details see WAVE file format documentation (for example at http://www.wotsit.org).
+ */
+typedef struct WAV_HEADER
+{
+  char  riffType[4];
+  UINT   riffSize;
+  char  waveType[4];
+  char  formatType[4];
+  UINT   formatSize;
+  USHORT compressionCode;
+  USHORT numChannels;
+  UINT   sampleRate;
+  UINT   bytesPerSecond;
+  USHORT blockAlign;
+  USHORT bitsPerSample;
+  char  dataType[4];
+  UINT   dataSize;
+} WAV_HEADER;
+
+struct WAV
+{
+  WAV_HEADER header;
+  FDKFILE *fp;
+};
+
+typedef struct WAV *HANDLE_WAV;
+
+/**
+ * \brief  Open a WAV file handle for reading.
+ *
+ * \param pWav      Pointer to a memory location, where a WAV handle is returned.
+ * \param filename  File name to be opened.
+ *
+ * \return  0 on success and non-zero on failure.
+ */
+INT WAV_InputOpen (HANDLE_WAV *pWav, const char *filename);
+
+/**
+ * \brief  Read samples from a WAVE file. The samples are automatically re-ordered to the
+ *         native host endianess and scaled to full scale of the INT_PCM type, from
+ *         whatever BPS the WAVE file had specified in its header data.
+ *
+ *  \param wav           Handle of WAV file.
+ *  \param sampleBuffer  Pointer to store audio data.
+ *  \param numSamples    Desired number of samples to read.
+ *  \param nBufBits      Size in bit of each audio sample of sampleBuffer.
+ *
+ *  \return  Number of samples actually read.
+ */
+INT WAV_InputRead (HANDLE_WAV wav, void *sampleBuffer, UINT numSamples, int nBufBits);
+
+/**
+ * \brief       Close a WAV file reading handle.
+ * \param pWav  Pointer to a WAV file reading handle.
+ * \return      void
+ */
+void WAV_InputClose(HANDLE_WAV *pWav);
+
+/**
+ * \brief  Open WAV output/writer handle.
+ *
+ * \param pWav            Pointer to WAV handle to be returned.
+ * \param outputFilename  File name of the file to be written to.
+ * \param sampleRate      Desired samplerate of the resulting WAV file.
+ * \param numChannels     Desired number of audio channels of the resulting WAV file.
+ * \param bitsPerSample   Desired number of bits per audio sample of the resulting WAV file.
+ *
+ * \return  0: ok; -1: error
+ */
+INT WAV_OutputOpen(HANDLE_WAV *pWav, const char *outputFilename, INT sampleRate, INT numChannels, INT bitsPerSample);
+
+/**
+ * \brief  Write data to WAV file asociated to WAV handle.
+ *
+ * \param wav              Handle of WAV file
+ * \param sampleBuffer     Pointer to audio samples, right justified integer values.
+ * \param numberOfSamples  The number of individual audio sample valuesto be written.
+ * \param nBufBits         Size in bits of each audio sample in sampleBuffer.
+ * \param nSigBits         Amount of significant bits of each nBufBits in sampleBuffer.
+ *
+ * \return 0: ok; -1: error
+ */
+INT WAV_OutputWrite(HANDLE_WAV wav, void *sampleBuffer, UINT numberOfSamples, int nBufBits, int nSigBits);
+
+/**
+ * \brief       Close WAV output handle.
+ * \param pWav  Pointer to WAV handle. *pWav is set to NULL.
+ * \return      void
+ */
+void WAV_OutputClose(HANDLE_WAV *pWav);
+
+#ifdef __cplusplus
+}
+#endif
+
+
+#endif /* __WAV_FILE_H__ */