summaryrefslogtreecommitdiffstats
path: root/libSYS/include/FDK_audio.h
diff options
context:
space:
mode:
Diffstat (limited to 'libSYS/include/FDK_audio.h')
-rw-r--r--libSYS/include/FDK_audio.h544
1 files changed, 544 insertions, 0 deletions
diff --git a/libSYS/include/FDK_audio.h b/libSYS/include/FDK_audio.h
new file mode 100644
index 0000000..1d28187
--- /dev/null
+++ b/libSYS/include/FDK_audio.h
@@ -0,0 +1,544 @@
+/************************** 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 */