audiofile.h

/*
	Audio File Library
	Copyright (C) 1998-2000, 2010-2013 Michael Pruett <[email protected]>

	This library is free software; you can redistribute it and/or
	modify it under the terms of the GNU Lesser General Public
	License as published by the Free Software Foundation; either
	version 2.1 of the License, or (at your option) any later version.

	This library is distributed in the hope that it will be useful,
	but WITHOUT ANY WARRANTY; without even the implied warranty of
	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
	Lesser General Public License for more details.

	You should have received a copy of the GNU Lesser General Public
	License along with this library; if not, write to the
	Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
	Boston, MA  02110-1301  USA
*/

/*
	audiofile.h

	This file contains the public interfaces to the Audio File Library.
*/

#ifndef AUDIOFILE_H
#define AUDIOFILE_H

#include <aupvlist.h>
#include <stdint.h>
#include <sys/types.h>

#define LIBAUDIOFILE_MAJOR_VERSION 0
#define LIBAUDIOFILE_MINOR_VERSION 3
#define LIBAUDIOFILE_MICRO_VERSION 6

#ifdef __cplusplus
extern "C" {
#endif

#if (defined(__GNUC__) && __GNUC__ >= 4) || defined(__clang__)
#define AFAPI __attribute__((visibility("default")))
#else
#define AFAPI
#endif

typedef struct _AFvirtualfile AFvirtualfile;

typedef struct _AFfilesetup *AFfilesetup;
typedef struct _AFfilehandle *AFfilehandle;
typedef void (*AFerrfunc)(long, const char *);

// Define AFframecount and AFfileoffset as 64-bit signed integers.
#if defined(__FreeBSD__) || \
	defined(__DragonFly__) || \
	defined(__NetBSD__) || \
	defined(__OpenBSD__) || \
	defined(__APPLE__) || \
	defined(__sgi) || \
	(defined(__linux__) && defined(__LP64__))
// BSD and IRIX systems define off_t as a 64-bit signed integer.
// Linux defines off_t as a 64-bit signed integer in LP64 mode.
typedef off_t AFframecount;
typedef off_t AFfileoffset;
#else
// For all other systems, use int64_t.
typedef int64_t AFframecount;
typedef int64_t AFfileoffset;
#endif

#define AF_NULL_FILESETUP	((struct _AFfilesetup *) 0)
#define AF_NULL_FILEHANDLE	((struct _AFfilehandle *) 0)

#define AF_ERR_BASE 3000

enum
{
	AF_DEFAULT_TRACK = 1001
};

enum
{
	AF_DEFAULT_INST = 2001
};

enum
{
	AF_NUM_UNLIMITED = 99999
};

enum
{
	AF_BYTEORDER_BIGENDIAN = 501,
	AF_BYTEORDER_LITTLEENDIAN = 502
};

enum
{
	AF_FILE_UNKNOWN = -1,
	AF_FILE_RAWDATA = 0,
	AF_FILE_AIFFC = 1,
	AF_FILE_AIFF = 2,
	AF_FILE_NEXTSND = 3,
	AF_FILE_WAVE = 4,
	AF_FILE_BICSF = 5,
	AF_FILE_IRCAM = AF_FILE_BICSF,
	AF_FILE_MPEG1BITSTREAM = 6,	/* not implemented */
	AF_FILE_SOUNDDESIGNER1 = 7,	/* not implemented */
	AF_FILE_SOUNDDESIGNER2 = 8,	/* not implemented */
	AF_FILE_AVR = 9,
	AF_FILE_IFF_8SVX = 10,
	AF_FILE_SAMPLEVISION = 11,
	AF_FILE_VOC = 12,
	AF_FILE_NIST_SPHERE = 13,
	AF_FILE_SOUNDFONT2 = 14,	/* not implemented */
	AF_FILE_CAF = 15,
	AF_FILE_FLAC = 16
};

enum
{
	AF_LOOP_MODE_NOLOOP = 0,
	AF_LOOP_MODE_FORW = 1,
	AF_LOOP_MODE_FORWBAKW = 2
};

enum
{
	AF_SAMPFMT_TWOSCOMP = 401, /* linear two's complement */
	AF_SAMPFMT_UNSIGNED = 402, /* unsigned integer */
	AF_SAMPFMT_FLOAT = 403, /* 32-bit IEEE floating-point */
	AF_SAMPFMT_DOUBLE = 404 /* 64-bit IEEE double-precision floating-point */
};

enum
{
	AF_INST_LOOP_OFF = 0,			/* no looping */
	AF_INST_LOOP_CONTINUOUS = 1,	/* loop continuously through decay */
	AF_INST_LOOP_SUSTAIN = 3		/* loop during sustain, then continue */
};

enum
{
	AF_INST_MIDI_BASENOTE = 301,
	AF_INST_NUMCENTS_DETUNE = 302,
	AF_INST_MIDI_LONOTE = 303,
	AF_INST_MIDI_HINOTE = 304,
	AF_INST_MIDI_LOVELOCITY = 305,
	AF_INST_MIDI_HIVELOCITY = 306,
	AF_INST_NUMDBS_GAIN = 307,
	AF_INST_SUSLOOPID = 308,		/* loop id for AIFF sustain loop */
	AF_INST_RELLOOPID = 309,		/* loop id for AIFF release loop */
	AF_INST_SAMP_STARTFRAME = 310,	/* start sample for this inst */
	AF_INST_SAMP_ENDFRAME = 311,	/* end sample for this inst */
	AF_INST_SAMP_MODE = 312,		/* looping mode for this inst */
	AF_INST_TRACKID = 313,
	AF_INST_NAME = 314,				/* name of this inst */
	AF_INST_SAMP_RATE = 315,		/* sample rate of this inst's sample */
	AF_INST_PRESETID = 316,			/* ID of preset containing this inst */
	AF_INST_PRESET_NAME = 317		/* name of preset containing this inst */
};

enum
{
	AF_MISC_UNRECOGNIZED = 0,	/* unrecognized data chunk */
	AF_MISC_COPY = 201,	/* copyright string */
	AF_MISC_AUTH = 202,	/* author string */
	AF_MISC_NAME = 203,	/* name string */
	AF_MISC_ANNO = 204,	/* annotation string */
	AF_MISC_APPL = 205,	/* application-specific data */
	AF_MISC_MIDI = 206,	/* MIDI exclusive data */
	AF_MISC_PCMMAP = 207,	/* PCM mapping information (future use) */
	AF_MISC_NeXT = 208,	/* misc binary data appended to NeXT header */
	AF_MISC_IRCAM_PEAKAMP = 209,	/* peak amplitude information */
	AF_MISC_IRCAM_COMMENT = 210,	/* BICSF text comment */
	AF_MISC_COMMENT = 210,	/* general text comment */

	AF_MISC_ICMT = AF_MISC_COMMENT,	/* comments chunk (WAVE format) */
	AF_MISC_ICRD = 211,  /* creation date (WAVE format) */
	AF_MISC_ISFT = 212  /* software name (WAVE format) */
};

enum
{
	/* supported compression schemes */
	AF_COMPRESSION_UNKNOWN = -1,
	AF_COMPRESSION_NONE = 0,
	AF_COMPRESSION_G722 = 501,
	AF_COMPRESSION_G711_ULAW = 502,
	AF_COMPRESSION_G711_ALAW = 503,

	/* Apple proprietary AIFF-C compression schemes (not supported) */
	AF_COMPRESSION_APPLE_ACE2 = 504,
	AF_COMPRESSION_APPLE_ACE8 = 505,
	AF_COMPRESSION_APPLE_MAC3 = 506,
	AF_COMPRESSION_APPLE_MAC6 = 507,

	AF_COMPRESSION_G726 = 517,
	AF_COMPRESSION_G728 = 518,
	AF_COMPRESSION_DVI_AUDIO = 519,
	AF_COMPRESSION_IMA = AF_COMPRESSION_DVI_AUDIO,
	AF_COMPRESSION_GSM = 520,
	AF_COMPRESSION_FS1016 = 521,
	AF_COMPRESSION_DV = 522,
	AF_COMPRESSION_MS_ADPCM = 523,

	AF_COMPRESSION_FLAC = 530,
	AF_COMPRESSION_ALAC = 540
};

/* tokens for afQuery() -- see the man page for instructions */
/* level 1 selectors */
enum
{
	AF_QUERYTYPE_INSTPARAM = 500,
	AF_QUERYTYPE_FILEFMT = 501,
	AF_QUERYTYPE_COMPRESSION = 502,
	AF_QUERYTYPE_COMPRESSIONPARAM = 503,
	AF_QUERYTYPE_MISC = 504,
	AF_QUERYTYPE_INST = 505,
	AF_QUERYTYPE_MARK = 506,
	AF_QUERYTYPE_LOOP = 507
};

/* level 2 selectors */
enum
{
	AF_QUERY_NAME = 600,	/* get name (1-3 words) */
	AF_QUERY_DESC = 601,	/* get description */
	AF_QUERY_LABEL = 602,	/* get 4- or 5-char label */
	AF_QUERY_TYPE = 603,	/* get type token */
	AF_QUERY_DEFAULT = 604,	/* dflt. value for param */
	AF_QUERY_ID_COUNT = 605,	/* get number of ids avail. */
	AF_QUERY_IDS = 606,	/* get array of id tokens */
	AF_QUERY_IMPLEMENTED = 613,	/* boolean */
	AF_QUERY_TYPE_COUNT = 607,	/* get number of types av. */
	AF_QUERY_TYPES = 608,	/* get array of types */
	AF_QUERY_NATIVE_SAMPFMT = 609,	/* for compression */
	AF_QUERY_NATIVE_SAMPWIDTH = 610,
	AF_QUERY_SQUISHFAC = 611,	/* 1.0 means variable */
	AF_QUERY_MAX_NUMBER = 612,	/* max allowed in file */
	AF_QUERY_SUPPORTED = 613	/* insts, loops, etc., supported? */
};

/* level 2 selectors which have sub-selectors */
enum
{
	AF_QUERY_TRACKS = 620,
	AF_QUERY_CHANNELS = 621,
	AF_QUERY_SAMPLE_SIZES = 622,
	AF_QUERY_SAMPLE_FORMATS = 623,
	AF_QUERY_COMPRESSION_TYPES = 624
};

/* level 3 sub-selectors */
enum
{
	AF_QUERY_VALUE_COUNT = 650,	/* number of values of the above */
	AF_QUERY_VALUES = 651	/* array of those values */
};


/*
	Old Audio File Library error codes. These are still returned by the
	AFerrorhandler calls, but are not used by the new digital media library
	error reporting routines. See the bottom of this file for the new error
	tokens.
*/

enum
{
	AF_BAD_NOT_IMPLEMENTED = 0,	/* not implemented yet */
	AF_BAD_FILEHANDLE = 1,	/* tried to use invalid filehandle */
	AF_BAD_OPEN = 3,	/* unix open failed */
	AF_BAD_CLOSE = 4,	/* unix close failed */
	AF_BAD_READ = 5,	/* unix read failed */
	AF_BAD_WRITE = 6,	/* unix write failed */
	AF_BAD_LSEEK = 7,	/* unix lseek failed */
	AF_BAD_NO_FILEHANDLE = 8,	/* failed to allocate a filehandle struct */
	AF_BAD_ACCMODE = 10,	/* unrecognized audio file access mode */
	AF_BAD_NOWRITEACC = 11,	/* file not open for writing */
	AF_BAD_NOREADACC = 12,	/* file not open for reading */
	AF_BAD_FILEFMT = 13,	/* unrecognized audio file format */
	AF_BAD_RATE = 14,	/* invalid sample rate */
	AF_BAD_CHANNELS = 15,	/* invalid number of channels*/
	AF_BAD_SAMPCNT = 16,	/* invalid sample count */
	AF_BAD_WIDTH = 17,	/* invalid sample width */
	AF_BAD_SEEKMODE = 18,	/* invalid seek mode */
	AF_BAD_NO_LOOPDATA = 19,	/* failed to allocate loop struct */
	AF_BAD_MALLOC = 20,	/* malloc failed somewhere */
	AF_BAD_LOOPID = 21,
	AF_BAD_SAMPFMT = 22,	/* bad sample format */
	AF_BAD_FILESETUP = 23,	/* bad file setup structure*/
	AF_BAD_TRACKID = 24,	/* no track corresponding to id */
	AF_BAD_NUMTRACKS = 25,	/* wrong number of tracks for file format */
	AF_BAD_NO_FILESETUP = 26,	/* failed to allocate a filesetup struct*/
	AF_BAD_LOOPMODE = 27,	/* unrecognized loop mode value */
	AF_BAD_INSTID = 28,	/* invalid instrument id */
	AF_BAD_NUMLOOPS = 29,	/* bad number of loops */
	AF_BAD_NUMMARKS = 30,	/* bad number of markers */
	AF_BAD_MARKID = 31,	/* bad marker id */
	AF_BAD_MARKPOS = 32,	/* invalid marker position value */
	AF_BAD_NUMINSTS = 33,	/* invalid number of instruments */
	AF_BAD_NOAESDATA = 34,
	AF_BAD_MISCID = 35,
	AF_BAD_NUMMISC = 36,
	AF_BAD_MISCSIZE = 37,
	AF_BAD_MISCTYPE = 38,
	AF_BAD_MISCSEEK = 39,
	AF_BAD_STRLEN = 40,	/* invalid string length */
	AF_BAD_RATECONV = 45,
	AF_BAD_SYNCFILE = 46,
	AF_BAD_CODEC_CONFIG = 47,	/* improperly configured codec */
	AF_BAD_CODEC_STATE = 48,	/* invalid codec state: can't recover */
	AF_BAD_CODEC_LICENSE = 49,	/* no license available for codec */
	AF_BAD_CODEC_TYPE = 50,	/* unsupported codec type */
	AF_BAD_COMPRESSION = AF_BAD_CODEC_CONFIG,	/* for back compat */
	AF_BAD_COMPTYPE = AF_BAD_CODEC_TYPE,	/* for back compat */

	AF_BAD_INSTPTYPE = 51,	/* invalid instrument parameter type */
	AF_BAD_INSTPID = 52,	/* invalid instrument parameter id */
	AF_BAD_BYTEORDER = 53,
	AF_BAD_FILEFMT_PARAM = 54,	/* unrecognized file format parameter */
	AF_BAD_COMP_PARAM = 55,	/* unrecognized compression parameter */
	AF_BAD_DATAOFFSET = 56,	/* bad data offset */
	AF_BAD_FRAMECNT = 57,	/* bad frame count */
	AF_BAD_QUERYTYPE = 58,	/* bad query type */
	AF_BAD_QUERY = 59,	/* bad argument to afQuery() */
	AF_WARNING_CODEC_RATE = 60,	/* using 8k instead of codec rate 8012 */
	AF_WARNING_RATECVT = 61,	/* warning about rate conversion used */

	AF_BAD_HEADER = 62,	/* failed to parse header */
	AF_BAD_FRAME = 63,	/* bad frame number */
	AF_BAD_LOOPCOUNT = 64,	/* bad loop count */
	AF_BAD_DMEDIA_CALL = 65,	/* error in dmedia subsystem call */

	/* AIFF/AIFF-C specific errors when parsing file header */
	AF_BAD_AIFF_HEADER = 108,	/* failed to parse chunk header */
	AF_BAD_AIFF_FORM = 109,	/* failed to parse FORM chunk */
	AF_BAD_AIFF_SSND = 110,	/* failed to parse SSND chunk */
	AF_BAD_AIFF_CHUNKID = 111,	/* unrecognized AIFF/AIFF-C chunk id */
	AF_BAD_AIFF_COMM = 112,	/* failed to parse COMM chunk */
	AF_BAD_AIFF_INST = 113,	/* failed to parse INST chunk */
	AF_BAD_AIFF_MARK = 114,	/* failed to parse MARK chunk */
	AF_BAD_AIFF_SKIP = 115,	/* failed to skip unsupported chunk */
	AF_BAD_AIFF_LOOPMODE = 116	/* unrecognized loop mode (forw, etc)*/
};

/* new error codes which may be retrieved via dmGetError() */
/* The old error tokens continue to be retrievable via the AFerrorhandler */
/* AF_ERR_BASE is #defined in dmedia/dmedia.h */

enum
{
	AF_ERR_NOT_IMPLEMENTED = 0+AF_ERR_BASE,	/* not implemented yet */
	AF_ERR_BAD_FILEHANDLE = 1+AF_ERR_BASE,	/* invalid filehandle */
	AF_ERR_BAD_READ = 5+AF_ERR_BASE,	/* unix read failed */
	AF_ERR_BAD_WRITE = 6+AF_ERR_BASE,	/* unix write failed */
	AF_ERR_BAD_LSEEK = 7+AF_ERR_BASE,	/* unix lseek failed */
	AF_ERR_BAD_ACCMODE = 10+AF_ERR_BASE,	/* unrecognized audio file access mode */
	AF_ERR_NO_WRITEACC = 11+AF_ERR_BASE,	/* file not open for writing */
	AF_ERR_NO_READACC = 12+AF_ERR_BASE,	/* file not open for reading */
	AF_ERR_BAD_FILEFMT = 13+AF_ERR_BASE,	/* unrecognized audio file format */
	AF_ERR_BAD_RATE = 14+AF_ERR_BASE,	/* invalid sample rate */
	AF_ERR_BAD_CHANNELS = 15+AF_ERR_BASE,	/* invalid # channels*/
	AF_ERR_BAD_SAMPCNT = 16+AF_ERR_BASE,	/* invalid sample count */
	AF_ERR_BAD_WIDTH = 17+AF_ERR_BASE,	/* invalid sample width */
	AF_ERR_BAD_SEEKMODE = 18+AF_ERR_BASE,	/* invalid seek mode */
	AF_ERR_BAD_LOOPID = 21+AF_ERR_BASE,	/* invalid loop id */
	AF_ERR_BAD_SAMPFMT = 22+AF_ERR_BASE,	/* bad sample format */
	AF_ERR_BAD_FILESETUP = 23+AF_ERR_BASE,	/* bad file setup structure*/
	AF_ERR_BAD_TRACKID = 24+AF_ERR_BASE,	/* no track corresponding to id */
	AF_ERR_BAD_NUMTRACKS = 25+AF_ERR_BASE,	/* wrong number of tracks for file format */
	AF_ERR_BAD_LOOPMODE = 27+AF_ERR_BASE,	/* unrecognized loop mode symbol */
	AF_ERR_BAD_INSTID = 28+AF_ERR_BASE,	/* invalid instrument id */
	AF_ERR_BAD_NUMLOOPS = 29+AF_ERR_BASE,	/* bad number of loops */
	AF_ERR_BAD_NUMMARKS = 30+AF_ERR_BASE,	/* bad number of markers */
	AF_ERR_BAD_MARKID = 31+AF_ERR_BASE,	/* bad marker id */
	AF_ERR_BAD_MARKPOS = 32+AF_ERR_BASE,	/* invalid marker position value */
	AF_ERR_BAD_NUMINSTS = 33+AF_ERR_BASE,	/* invalid number of instruments */
	AF_ERR_BAD_NOAESDATA = 34+AF_ERR_BASE,
	AF_ERR_BAD_MISCID = 35+AF_ERR_BASE,
	AF_ERR_BAD_NUMMISC = 36+AF_ERR_BASE,
	AF_ERR_BAD_MISCSIZE = 37+AF_ERR_BASE,
	AF_ERR_BAD_MISCTYPE = 38+AF_ERR_BASE,
	AF_ERR_BAD_MISCSEEK = 39+AF_ERR_BASE,
	AF_ERR_BAD_STRLEN = 40+AF_ERR_BASE,	/* invalid string length */
	AF_ERR_BAD_RATECONV = 45+AF_ERR_BASE,
	AF_ERR_BAD_SYNCFILE = 46+AF_ERR_BASE,
	AF_ERR_BAD_CODEC_CONFIG = 47+AF_ERR_BASE,	/* improperly configured codec */
	AF_ERR_BAD_CODEC_TYPE = 50+AF_ERR_BASE,	/* unsupported codec type */
	AF_ERR_BAD_INSTPTYPE = 51+AF_ERR_BASE,	/* invalid instrument parameter type */
	AF_ERR_BAD_INSTPID = 52+AF_ERR_BASE,	/* invalid instrument parameter id */

	AF_ERR_BAD_BYTEORDER = 53+AF_ERR_BASE,
	AF_ERR_BAD_FILEFMT_PARAM = 54+AF_ERR_BASE,	/* unrecognized file format parameter */
	AF_ERR_BAD_COMP_PARAM = 55+AF_ERR_BASE,	/* unrecognized compression parameter */
	AF_ERR_BAD_DATAOFFSET = 56+AF_ERR_BASE,	/* bad data offset */
	AF_ERR_BAD_FRAMECNT = 57+AF_ERR_BASE,	/* bad frame count */

	AF_ERR_BAD_QUERYTYPE = 58+AF_ERR_BASE,	/* bad query type */
	AF_ERR_BAD_QUERY = 59+AF_ERR_BASE,	/* bad argument to afQuery() */
	AF_ERR_BAD_HEADER = 62+AF_ERR_BASE,	/* failed to parse header */
	AF_ERR_BAD_FRAME = 63+AF_ERR_BASE,	/* bad frame number */
	AF_ERR_BAD_LOOPCOUNT = 64+AF_ERR_BASE,	/* bad loop count */

	/* AIFF/AIFF-C specific errors when parsing file header */

	AF_ERR_BAD_AIFF_HEADER = 66+AF_ERR_BASE,	/* failed to parse chunk header */
	AF_ERR_BAD_AIFF_FORM = 67+AF_ERR_BASE,	/* failed to parse FORM chunk */
	AF_ERR_BAD_AIFF_SSND = 68+AF_ERR_BASE,	/* failed to parse SSND chunk */
	AF_ERR_BAD_AIFF_CHUNKID = 69+AF_ERR_BASE,	/* unrecognized AIFF/AIFF-C chunk id */
	AF_ERR_BAD_AIFF_COMM = 70+AF_ERR_BASE,	/* failed to parse COMM chunk */
	AF_ERR_BAD_AIFF_INST = 71+AF_ERR_BASE,	/* failed to parse INST chunk */
	AF_ERR_BAD_AIFF_MARK = 72+AF_ERR_BASE,	/* failed to parse MARK chunk */
	AF_ERR_BAD_AIFF_SKIP = 73+AF_ERR_BASE,	/* failed to skip unsupported chunk */
	AF_ERR_BAD_AIFF_LOOPMODE = 74+AF_ERR_BASE	/* unrecognized loop mode (forw, etc) */
};


/* global routines */
AFAPI AFerrfunc afSetErrorHandler (AFerrfunc efunc);

/* query routines */
AFAPI AUpvlist afQuery (int querytype, int arg1, int arg2, int arg3, int arg4);
AFAPI long afQueryLong (int querytype, int arg1, int arg2, int arg3, int arg4);
AFAPI double afQueryDouble (int querytype, int arg1, int arg2, int arg3, int arg4);
AFAPI void *afQueryPointer (int querytype, int arg1, int arg2, int arg3, int arg4);

/* basic operations on file handles and file setups */
AFAPI AFfilesetup afNewFileSetup (void);
AFAPI void afFreeFileSetup (AFfilesetup);
AFAPI int afIdentifyFD (int);
AFAPI int afIdentifyNamedFD (int, const char *filename, int *implemented);

AFAPI AFfilehandle afOpenFile (const char *filename, const char *mode,
	AFfilesetup setup);
AFAPI AFfilehandle afOpenVirtualFile (AFvirtualfile *vfile, const char *mode,
	AFfilesetup setup);
AFAPI AFfilehandle afOpenFD (int fd, const char *mode, AFfilesetup setup);
AFAPI AFfilehandle afOpenNamedFD (int fd, const char *mode, AFfilesetup setup,
	const char *filename);

AFAPI void afSaveFilePosition (AFfilehandle file);
AFAPI void afRestoreFilePosition (AFfilehandle file);
AFAPI int afSyncFile (AFfilehandle file);
AFAPI int afCloseFile (AFfilehandle file);

AFAPI void afInitFileFormat (AFfilesetup, int format);
AFAPI int afGetFileFormat (AFfilehandle, int *version);

/* track */
AFAPI void afInitTrackIDs (AFfilesetup, const int *trackids, int trackCount);
AFAPI int afGetTrackIDs (AFfilehandle, int *trackids);

/* track data: reading, writng, seeking, sizing frames */
AFAPI int afReadFrames (AFfilehandle, int track, void *buffer, int frameCount);
AFAPI int afWriteFrames (AFfilehandle, int track, const void *buffer, int frameCount);
AFAPI AFframecount afSeekFrame (AFfilehandle, int track, AFframecount frameoffset);
AFAPI AFframecount afTellFrame (AFfilehandle, int track);
AFAPI AFfileoffset afGetTrackBytes (AFfilehandle, int track);
AFAPI float afGetFrameSize (AFfilehandle, int track, int expand3to4);
AFAPI float afGetVirtualFrameSize (AFfilehandle, int track, int expand3to4);

/* track data: AES data */
/* afInitAESChannelData is obsolete -- use afInitAESChannelDataTo() */
AFAPI void afInitAESChannelData (AFfilesetup, int track); /* obsolete */
AFAPI void afInitAESChannelDataTo (AFfilesetup, int track, int willBeData);
AFAPI int afGetAESChannelData (AFfilehandle, int track, unsigned char buf[24]);
AFAPI void afSetAESChannelData (AFfilehandle, int track, unsigned char buf[24]);

/* track data: byte order */
AFAPI void afInitByteOrder (AFfilesetup, int track, int byteOrder);
AFAPI int afGetByteOrder (AFfilehandle, int track);
AFAPI int afSetVirtualByteOrder (AFfilehandle, int track, int byteOrder);
AFAPI int afGetVirtualByteOrder (AFfilehandle, int track);

/* track data: number of channels */
AFAPI void afInitChannels (AFfilesetup, int track, int nchannels);
AFAPI int afGetChannels (AFfilehandle, int track);
AFAPI int afSetVirtualChannels (AFfilehandle, int track, int channelCount);
AFAPI int afGetVirtualChannels (AFfilehandle, int track);
AFAPI void afSetChannelMatrix (AFfilehandle, int track, double *matrix);

/* track data: sample format and sample width */
AFAPI void afInitSampleFormat (AFfilesetup, int track, int sampleFormat,
	int sampleWidth);
AFAPI void afGetSampleFormat (AFfilehandle file, int track, int *sampleFormat,
	int *sampleWidth);
AFAPI int afSetVirtualSampleFormat (AFfilehandle, int track,
	int sampleFormat, int sampleWidth);
AFAPI void afGetVirtualSampleFormat (AFfilehandle, int track,
	int *sampleFormat, int *sampleWidth);

/* track data: sampling rate */
AFAPI void afInitRate (AFfilesetup, int track, double rate);
AFAPI double afGetRate (AFfilehandle, int track);

#if 0
int afSetVirtualRate (AFfilehandle, int track, double rate);
double afGetVirtualRate (AFfilehandle, int track);
#endif

/* track data: compression */
AFAPI void afInitCompression (AFfilesetup, int track, int compression);
#if 0
void afInitCompressionParams (AFfilesetup, int track, int compression
	AUpvlist params, int parameterCount);
#endif

AFAPI int afGetCompression (AFfilehandle, int track);
#if 0
void afGetCompressionParams (AFfilehandle, int track, int *compression,
	AUpvlist params, int parameterCount);

int afSetVirtualCompression (AFfilesetup, int track, int compression);
void afSetVirtualCompressionParams (AFfilehandle, int track, int compression,
	AUpvlist params, int parameterCount);

int afGetVirtualCompression (AFfilesetup, int track, int compression);
void afGetVirtualCompressionParams (AFfilehandle, int track, int *compression,
	AUpvlist params, int parameterCount);
#endif

/* track data: pcm mapping */
AFAPI void afInitPCMMapping (AFfilesetup filesetup, int track,
	double slope, double intercept, double minClip, double maxClip);
AFAPI void afGetPCMMapping (AFfilehandle file, int track,
	double *slope, double *intercept, double *minClip, double *maxClip);
/* NOTE: afSetTrackPCMMapping() is special--it does not set the virtual  */
/* format; it changes what the AF thinks the track format is! Be careful. */
AFAPI int afSetTrackPCMMapping (AFfilehandle file, int track,
	double slope, double intercept, double minClip, double maxClip);
/* NOTE: afSetVirtualPCMMapping() is different from afSetTrackPCMMapping(): */
/* see comment for afSetTrackPCMMapping(). */
AFAPI int afSetVirtualPCMMapping (AFfilehandle file, int track,
	double slope, double intercept, double minClip, double maxClip);
AFAPI void afGetVirtualPCMMapping (AFfilehandle file, int track,
	double *slope, double *intercept, double *minClip, double *maxClip);

/* track data: data offset within the file */
/* initialize for raw reading only */
AFAPI void afInitDataOffset(AFfilesetup, int track, AFfileoffset offset);
AFAPI AFfileoffset afGetDataOffset (AFfilehandle, int track);

/* track data: count of frames in file */
AFAPI void afInitFrameCount (AFfilesetup, int track, AFframecount frameCount);
AFAPI AFframecount afGetFrameCount (AFfilehandle file, int track);

/* loop operations */
AFAPI void afInitLoopIDs (AFfilesetup, int instid, const int *ids, int nids);
AFAPI int afGetLoopIDs (AFfilehandle, int instid, int loopids[]);
AFAPI void afSetLoopMode (AFfilehandle, int instid, int loop, int mode);
AFAPI int afGetLoopMode (AFfilehandle, int instid, int loopid);
AFAPI int afSetLoopCount (AFfilehandle, int instid, int loop, int count);
AFAPI int afGetLoopCount (AFfilehandle, int instid, int loopid);
AFAPI void afSetLoopStart (AFfilehandle, int instid, int loopid, int markerid);
AFAPI int afGetLoopStart (AFfilehandle, int instid, int loopid);
AFAPI void afSetLoopEnd (AFfilehandle, int instid, int loopid, int markerid);
AFAPI int afGetLoopEnd (AFfilehandle, int instid, int loopid);

AFAPI int afSetLoopStartFrame (AFfilehandle, int instid, int loop,
	AFframecount startFrame);
AFAPI AFframecount afGetLoopStartFrame (AFfilehandle, int instid, int loop);
AFAPI int afSetLoopEndFrame (AFfilehandle, int instid, int loop,
	AFframecount startFrame);
AFAPI AFframecount afGetLoopEndFrame (AFfilehandle, int instid, int loop);

AFAPI void afSetLoopTrack (AFfilehandle, int instid, int loopid, int trackid);
AFAPI int afGetLoopTrack (AFfilehandle, int instid, int loopid);

/* marker operations */
AFAPI void afInitMarkIDs (AFfilesetup, int trackid, const int *ids, int nids);
AFAPI int afGetMarkIDs (AFfilehandle file, int trackid, int markids[]);
AFAPI void afSetMarkPosition (AFfilehandle file, int trackid, int markid,
	AFframecount markpos);
AFAPI AFframecount afGetMarkPosition (AFfilehandle file, int trackid, int markid);
AFAPI void afInitMarkName (AFfilesetup, int trackid, int marker, const char *name);
AFAPI void afInitMarkComment (AFfilesetup, int trackid, int marker,
	const char *comment);
AFAPI char *afGetMarkName (AFfilehandle file, int trackid, int markid);
AFAPI char *afGetMarkComment (AFfilehandle file, int trackid, int markid);

/* instrument operations */
AFAPI void afInitInstIDs (AFfilesetup, const int *ids, int nids);
AFAPI int afGetInstIDs (AFfilehandle file, int *instids);
AFAPI void afGetInstParams (AFfilehandle file, int instid, AUpvlist pvlist,
	int nparams);
AFAPI void afSetInstParams (AFfilehandle file, int instid, AUpvlist pvlist,
	int nparams);
AFAPI long afGetInstParamLong (AFfilehandle file, int instid, int param);
AFAPI void afSetInstParamLong (AFfilehandle file, int instid, int param, long value);

/* miscellaneous data operations */
AFAPI void afInitMiscIDs (AFfilesetup, const int *ids, int nids);
AFAPI int afGetMiscIDs (AFfilehandle, int *ids);
AFAPI void afInitMiscType (AFfilesetup, int miscellaneousid, int type);
AFAPI int afGetMiscType (AFfilehandle, int miscellaneousid);
AFAPI void afInitMiscSize (AFfilesetup, int miscellaneousid, int size);
AFAPI int afGetMiscSize (AFfilehandle, int miscellaneousid);
AFAPI int afWriteMisc (AFfilehandle, int miscellaneousid, const void *buf, int bytes);
AFAPI int afReadMisc (AFfilehandle, int miscellaneousid, void *buf, int bytes);
AFAPI int afSeekMisc (AFfilehandle, int miscellaneousid, int offset);

#undef AFAPI

#ifdef __cplusplus
}
#endif

#endif /* AUDIOFILE_H */