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livetrax/libs/libsndfile/src/common.h
Paul Davis 81486cf7bd add libsndfile directory 
git-svn-id: svn://localhost/ardour2/trunk@583 d708f5d6-7413-0410-9779-e7cbd77b26cf
2006-06-14 17:05:39 +00:00

767 lines
22 KiB
C
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/*
** Copyright (C) 1999-2006 Erik de Castro Lopo <erikd@mega-nerd.com>
**
** This program 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 program 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 program; if not, write to the Free Software
** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifndef SNDFILE_COMMON_H
#define SNDFILE_COMMON_H
#include "sfconfig.h"
#include <stdlib.h>
#if HAVE_STDINT_H
#include <stdint.h>
#endif
#ifndef SNDFILE_H
#include "sndfile.h"
#elif HAVE_INTTYPES_H
#include <inttypes.h>
#endif
#ifdef __cplusplus
#error "This code is not designed to be compiled with a C++ compiler."
#endif
#ifdef UNUSED
#elif defined (__GNUC__)
# define UNUSED(x) UNUSED_ ## x __attribute__ ((unused))
#elif defined (__LCLINT__)
# define UNUSED(x) /*@unused@*/ x
#else
# define UNUSED(x) x
#endif
#ifdef __GNUC__
# define WARN_UNUSED __attribute__ ((warn_unused_result))
#else
# define WARN_UNUSED
#endif
#define SF_BUFFER_LEN (8192*2)
#define SF_FILENAME_LEN (512)
#define SF_SYSERR_LEN (256)
#define SF_MAX_STRINGS (16)
#define SF_STR_BUFFER_LEN (8192)
#define SF_HEADER_LEN (4100 + SF_STR_BUFFER_LEN)
#define PSF_SEEK_ERROR ((sf_count_t) -1)
#define BITWIDTH2BYTES(x) (((x) + 7) / 8)
/* For some reason sizeof returns an unsigned value which causes
** a warning when that value is added or subtracted from a signed
** value. Use SIGNED_SIZEOF instead.
*/
#define SIGNED_SIZEOF(x) ((int) sizeof (x))
#define ARRAY_LEN(x) ((int) (sizeof (x) / sizeof ((x) [0])))
#define SF_MAX(a,b) ((a) > (b) ? (a) : (b))
#define SF_MIN(a,b) ((a) < (b) ? (a) : (b))
enum
{ /* PEAK chunk location. */
SF_PEAK_START = 42,
SF_PEAK_END = 43,
/* PEAK chunk location. */
SF_SCALE_MAX = 52,
SF_SCALE_MIN = 53,
/* str_flags values. */
SF_STR_ALLOW_START = 0x0100,
SF_STR_ALLOW_END = 0x0200,
/* Location of strings. */
SF_STR_LOCATE_START = 0x0400,
SF_STR_LOCATE_END = 0x0800,
SFD_TYPEMASK = 0x0FFFFFFF
} ;
#define SFM_MASK (SFM_READ | SFM_WRITE | SFM_RDWR)
#define SFM_UNMASK (~SFM_MASK)
/*---------------------------------------------------------------------------------------
** Formats that may be supported at some time in the future.
** When support is finalised, these values move to src/sndfile.h.
*/
enum
{ /* Work in progress. */
/* Formats supported read only. */
SF_FORMAT_WVE = 0x4020000, /* Psion ALaw Sound File */
SF_FORMAT_TXW = 0x4030000, /* Yamaha TX16 sampler file */
SF_FORMAT_DWD = 0x4040000, /* DiamondWare Digirized */
/* Following are detected but not supported. */
SF_FORMAT_OGG = 0x4090000,
SF_FORMAT_REX = 0x40A0000, /* Propellorheads Rex/Rcy */
SF_FORMAT_REX2 = 0x40D0000, /* Propellorheads Rex2 */
SF_FORMAT_KRZ = 0x40E0000, /* Kurzweil sampler file */
SF_FORMAT_WMA = 0x4100000, /* Windows Media Audio. */
SF_FORMAT_SHN = 0x4110000, /* Shorten. */
/* Unsupported encodings. */
SF_FORMAT_VORBIS = 0x1001,
SF_FORMAT_SVX_FIB = 0x1020, /* SVX Fibonacci Delta encoding. */
SF_FORMAT_SVX_EXP = 0x1021, /* SVX Exponential Delta encoding. */
SF_FORMAT_PCM_N = 0x1030
} ;
/*---------------------------------------------------------------------------------------
** PEAK_CHUNK - This chunk type is common to both AIFF and WAVE files although their
** endian encodings are different.
*/
typedef struct
{ double value ; /* signed value of peak */
sf_count_t position ; /* the sample frame for the peak */
} PEAK_POS ;
typedef struct
{ /* libsndfile internal : write a PEAK chunk at the start or end of the file? */
int peak_loc ;
/* WAV/AIFF */
unsigned int version ; /* version of the PEAK chunk */
unsigned int timestamp ; /* secs since 1/1/1970 */
/* CAF */
unsigned int edit_number ;
#if HAVE_FLEXIBLE_ARRAY
/* the per channel peak info */
PEAK_POS peaks [] ;
#else
/*
** This is not ISO compliant C. It works on some compilers which
** don't support the ISO standard flexible struct array which is
** used above. If your compiler doesn't like this I suggest you find
** youself a 1999 ISO C standards compilant compiler. GCC-3.X is
** highly recommended.
*/
PEAK_POS peaks [0] ;
#endif
} PEAK_INFO ;
static inline PEAK_INFO *
peak_info_calloc (int channels)
{ return calloc (1, sizeof (PEAK_INFO) + channels * sizeof (PEAK_POS)) ;
} /* peak_info_calloc */
typedef struct
{ int type ;
int flags ;
char *str ;
} STR_DATA ;
static inline size_t
make_size_t (int x)
{ return (size_t) x ;
} /* size_t_of_int */
/*=======================================================================================
** SF_PRIVATE stuct - a pointer to this struct is passed back to the caller of the
** sf_open_XXXX functions. The caller however has no knowledge of the struct's
** contents.
*/
typedef struct sf_private_tag
{ /* Force the compiler to double align the start of buffer. */
union
{ double dbuf [SF_BUFFER_LEN / sizeof (double)] ;
#if (defined (SIZEOF_INT64_T) && (SIZEOF_INT64_T == 8))
int64_t lbuf [SF_BUFFER_LEN / sizeof (int64_t)] ;
#else
long lbuf [SF_BUFFER_LEN / sizeof (double)] ;
#endif
float fbuf [SF_BUFFER_LEN / sizeof (float)] ;
int ibuf [SF_BUFFER_LEN / sizeof (int)] ;
short sbuf [SF_BUFFER_LEN / sizeof (short)] ;
char cbuf [SF_BUFFER_LEN / sizeof (char)] ;
signed char scbuf [SF_BUFFER_LEN / sizeof (signed char)] ;
unsigned char ucbuf [SF_BUFFER_LEN / sizeof (signed char)] ;
} u ;
char filepath [SF_FILENAME_LEN] ;
char rsrcpath [SF_FILENAME_LEN] ;
char directory [SF_FILENAME_LEN] ;
char filename [SF_FILENAME_LEN / 4] ;
char syserr [SF_SYSERR_LEN] ;
/* logbuffer and logindex should only be changed within the logging functions
** of common.c
*/
char logbuffer [SF_BUFFER_LEN] ;
unsigned char header [SF_HEADER_LEN] ; /* Must be unsigned */
int rwf_endian ; /* Header endian-ness flag. */
/* Storage and housekeeping data for adding/reading strings from
** sound files.
*/
STR_DATA strings [SF_MAX_STRINGS] ;
char str_storage [SF_STR_BUFFER_LEN] ;
char *str_end ;
int str_flags ;
/* Guard value. If this changes the buffers above have overflowed. */
int Magick ;
/* Index variables for maintaining logbuffer and header above. */
int logindex ;
int headindex, headend ;
int has_text ;
int do_not_close_descriptor ;
#if USE_WINDOWS_API
/*
** These fields can only be used in src/file_io.c.
** They are basically the same as a windows file HANDLE.
*/
void *hfile, *hrsrc, *hsaved ;
#else
/* These fields can only be used in src/file_io.c. */
int filedes, rsrcdes, savedes ;
#endif
int error ;
int mode ; /* Open mode : SFM_READ, SFM_WRITE or SFM_RDWR. */
int endian ; /* File endianness : SF_ENDIAN_LITTLE or SF_ENDIAN_BIG. */
int float_endswap ; /* Need to endswap float32s? */
/*
** Maximum float value for calculating the multiplier for
** float/double to short/int conversions.
*/
int float_int_mult ;
float float_max ;
/* Vairables for handling pipes. */
int is_pipe ; /* True if file is a pipe. */
sf_count_t pipeoffset ; /* Number of bytes read from a pipe. */
/* True if clipping must be performed on float->int conversions. */
int add_clipping ;
SF_INFO sf ;
int have_written ; /* Has a single write been done to the file? */
PEAK_INFO *peak_info ;
/* Loop Info */
SF_LOOP_INFO *loop_info ;
SF_INSTRUMENT *instrument ;
/* Broadcast (EBU) Info */
SF_BROADCAST_INFO *broadcast_info ;
sf_count_t filelength ; /* Overall length of (embedded) file. */
sf_count_t fileoffset ; /* Offset in number of bytes from beginning of file. */
sf_count_t rsrclength ; /* Length of the resource fork (if it exists). */
sf_count_t dataoffset ; /* Offset in number of bytes from beginning of file. */
sf_count_t datalength ; /* Length in bytes of the audio data. */
sf_count_t dataend ; /* Offset to file tailer. */
int blockwidth ; /* Size in bytes of one set of interleaved samples. */
int bytewidth ; /* Size in bytes of one sample (one channel). */
void *dither ;
void *interleave ;
int last_op ; /* Last operation; either SFM_READ or SFM_WRITE */
sf_count_t read_current ;
sf_count_t write_current ;
void *fdata ; /* This is a pointer to dynamically allocated file format
** specific data.
*/
SF_DITHER_INFO write_dither ;
SF_DITHER_INFO read_dither ;
int norm_double ;
int norm_float ;
int auto_header ;
int ieee_replace ;
/* A set of file specific function pointers */
sf_count_t (*read_short) (struct sf_private_tag*, short *ptr, sf_count_t len) ;
sf_count_t (*read_int) (struct sf_private_tag*, int *ptr, sf_count_t len) ;
sf_count_t (*read_float) (struct sf_private_tag*, float *ptr, sf_count_t len) ;
sf_count_t (*read_double) (struct sf_private_tag*, double *ptr, sf_count_t len) ;
sf_count_t (*write_short) (struct sf_private_tag*, const short *ptr, sf_count_t len) ;
sf_count_t (*write_int) (struct sf_private_tag*, const int *ptr, sf_count_t len) ;
sf_count_t (*write_float) (struct sf_private_tag*, const float *ptr, sf_count_t len) ;
sf_count_t (*write_double) (struct sf_private_tag*, const double *ptr, sf_count_t len) ;
sf_count_t (*seek) (struct sf_private_tag*, int mode, sf_count_t samples_from_start) ;
int (*write_header) (struct sf_private_tag*, int calc_length) ;
int (*command) (struct sf_private_tag*, int command, void *data, int datasize) ;
/*
** Separate close functions for the codec and the container.
** The codec close function is always called first.
*/
int (*codec_close) (struct sf_private_tag*) ;
int (*container_close) (struct sf_private_tag*) ;
char *format_desc ;
/* Virtual I/O functions. */
int virtual_io ;
SF_VIRTUAL_IO vio ;
void *vio_user_data ;
} SF_PRIVATE ;
enum
{ SFE_NO_ERROR = SF_ERR_NO_ERROR,
SFE_BAD_OPEN_FORMAT = SF_ERR_UNRECOGNISED_FORMAT,
SFE_SYSTEM = SF_ERR_SYSTEM,
SFE_MALFORMED_FILE = SF_ERR_MALFORMED_FILE,
SFE_UNSUPPORTED_ENCODING = SF_ERR_UNSUPPORTED_ENCODING,
SFE_BAD_FILE,
SFE_BAD_FILE_READ,
SFE_OPEN_FAILED,
SFE_BAD_SNDFILE_PTR,
SFE_BAD_SF_INFO_PTR,
SFE_BAD_SF_INCOMPLETE,
SFE_BAD_FILE_PTR,
SFE_BAD_INT_PTR,
SFE_BAD_STAT_SIZE,
SFE_MALLOC_FAILED,
SFE_UNIMPLEMENTED,
SFE_BAD_READ_ALIGN,
SFE_BAD_WRITE_ALIGN,
SFE_UNKNOWN_FORMAT,
SFE_NOT_READMODE,
SFE_NOT_WRITEMODE,
SFE_BAD_MODE_RW,
SFE_BAD_SF_INFO,
SFE_BAD_OFFSET,
SFE_NO_EMBED_SUPPORT,
SFE_NO_EMBEDDED_RDWR,
SFE_NO_PIPE_WRITE,
SFE_INTERNAL,
SFE_BAD_CONTROL_CMD,
SFE_BAD_ENDIAN,
SFE_CHANNEL_COUNT,
SFE_BAD_RDWR_FORMAT,
SFE_BAD_VIRTUAL_IO,
SFE_INTERLEAVE_MODE,
SFE_INTERLEAVE_SEEK,
SFE_INTERLEAVE_READ,
SFE_BAD_SEEK,
SFE_NOT_SEEKABLE,
SFE_AMBIGUOUS_SEEK,
SFE_WRONG_SEEK,
SFE_SEEK_FAILED,
SFE_BAD_OPEN_MODE,
SFE_OPEN_PIPE_RDWR,
SFE_RDWR_POSITION,
SFE_RDWR_BAD_HEADER,
SFE_STR_NO_SUPPORT,
SFE_STR_NOT_WRITE,
SFE_STR_MAX_DATA,
SFE_STR_MAX_COUNT,
SFE_STR_BAD_TYPE,
SFE_STR_NO_ADD_END,
SFE_STR_BAD_STRING,
SFE_STR_WEIRD,
SFE_WAV_NO_RIFF,
SFE_WAV_NO_WAVE,
SFE_WAV_NO_FMT,
SFE_WAV_FMT_SHORT,
SFE_WAV_BAD_FACT,
SFE_WAV_BAD_PEAK,
SFE_WAV_PEAK_B4_FMT,
SFE_WAV_BAD_FORMAT,
SFE_WAV_BAD_BLOCKALIGN,
SFE_WAV_NO_DATA,
SFE_WAV_BAD_LIST,
SFE_WAV_ADPCM_NOT4BIT,
SFE_WAV_ADPCM_CHANNELS,
SFE_WAV_GSM610_FORMAT,
SFE_WAV_UNKNOWN_CHUNK,
SFE_WAV_WVPK_DATA,
SFE_AIFF_NO_FORM,
SFE_AIFF_AIFF_NO_FORM,
SFE_AIFF_COMM_NO_FORM,
SFE_AIFF_SSND_NO_COMM,
SFE_AIFF_UNKNOWN_CHUNK,
SFE_AIFF_COMM_CHUNK_SIZE,
SFE_AIFF_BAD_COMM_CHUNK,
SFE_AIFF_PEAK_B4_COMM,
SFE_AIFF_BAD_PEAK,
SFE_AIFF_NO_SSND,
SFE_AIFF_NO_DATA,
SFE_AIFF_RW_SSND_NOT_LAST,
SFE_AU_UNKNOWN_FORMAT,
SFE_AU_NO_DOTSND,
SFE_AU_EMBED_BAD_LEN,
SFE_RAW_READ_BAD_SPEC,
SFE_RAW_BAD_BITWIDTH,
SFE_RAW_BAD_FORMAT,
SFE_PAF_NO_MARKER,
SFE_PAF_VERSION,
SFE_PAF_UNKNOWN_FORMAT,
SFE_PAF_SHORT_HEADER,
SFE_SVX_NO_FORM,
SFE_SVX_NO_BODY,
SFE_SVX_NO_DATA,
SFE_SVX_BAD_COMP,
SFE_SVX_BAD_NAME_LENGTH,
SFE_NIST_BAD_HEADER,
SFE_NIST_CRLF_CONVERISON,
SFE_NIST_BAD_ENCODING,
SFE_VOC_NO_CREATIVE,
SFE_VOC_BAD_FORMAT,
SFE_VOC_BAD_VERSION,
SFE_VOC_BAD_MARKER,
SFE_VOC_BAD_SECTIONS,
SFE_VOC_MULTI_SAMPLERATE,
SFE_VOC_MULTI_SECTION,
SFE_VOC_MULTI_PARAM,
SFE_VOC_SECTION_COUNT,
SFE_VOC_NO_PIPE,
SFE_IRCAM_NO_MARKER,
SFE_IRCAM_BAD_CHANNELS,
SFE_IRCAM_UNKNOWN_FORMAT,
SFE_W64_64_BIT,
SFE_W64_NO_RIFF,
SFE_W64_NO_WAVE,
SFE_W64_NO_FMT,
SFE_W64_NO_DATA,
SFE_W64_FMT_SHORT,
SFE_W64_FMT_TOO_BIG,
SFE_W64_ADPCM_NOT4BIT,
SFE_W64_ADPCM_CHANNELS,
SFE_W64_GSM610_FORMAT,
SFE_MAT4_BAD_NAME,
SFE_MAT4_NO_SAMPLERATE,
SFE_MAT4_ZERO_CHANNELS,
SFE_MAT5_BAD_ENDIAN,
SFE_MAT5_NO_BLOCK,
SFE_MAT5_SAMPLE_RATE,
SFE_MAT5_ZERO_CHANNELS,
SFE_PVF_NO_PVF1,
SFE_PVF_BAD_HEADER,
SFE_PVF_BAD_BITWIDTH,
SFE_DWVW_BAD_BITWIDTH,
SFE_G72X_NOT_MONO,
SFE_XI_BAD_HEADER,
SFE_XI_EXCESS_SAMPLES,
SFE_XI_NO_PIPE,
SFE_HTK_NO_PIPE,
SFE_SDS_NOT_SDS,
SFE_SDS_BAD_BIT_WIDTH,
SFE_SD2_FD_DISALLOWED,
SFE_SD2_BAD_DATA_OFFSET,
SFE_SD2_BAD_MAP_OFFSET,
SFE_SD2_BAD_DATA_LENGTH,
SFE_SD2_BAD_MAP_LENGTH,
SFE_SD2_BAD_RSRC,
SFE_SD2_BAD_SAMPLE_SIZE,
SFE_FLAC_BAD_HEADER,
SFE_FLAC_NEW_DECODER,
SFE_FLAC_INIT_DECODER,
SFE_FLAC_LOST_SYNC,
SFE_FLAC_BAD_SAMPLE_RATE,
SFE_FLAC_UNKOWN_ERROR,
SFE_MAX_ERROR /* This must be last in list. */
} ;
int subformat_to_bytewidth (int format) ;
int s_bitwidth_to_subformat (int bits) ;
int u_bitwidth_to_subformat (int bits) ;
/* Functions for reading and writing floats and doubles on processors
** with non-IEEE floats/doubles.
*/
float float32_be_read (unsigned char *cptr) ;
float float32_le_read (unsigned char *cptr) ;
void float32_be_write (float in, unsigned char *out) ;
void float32_le_write (float in, unsigned char *out) ;
double double64_be_read (unsigned char *cptr) ;
double double64_le_read (unsigned char *cptr) ;
void double64_be_write (double in, unsigned char *out) ;
void double64_le_write (double in, unsigned char *out) ;
/* Functions for writing to the internal logging buffer. */
void psf_log_printf (SF_PRIVATE *psf, const char *format, ...) ;
void psf_log_SF_INFO (SF_PRIVATE *psf) ;
void psf_hexdump (void *ptr, int len) ;
/* Functions used when writing file headers. */
int psf_binheader_writef (SF_PRIVATE *psf, const char *format, ...) ;
void psf_asciiheader_printf (SF_PRIVATE *psf, const char *format, ...) ;
/* Functions used when reading file headers. */
int psf_binheader_readf (SF_PRIVATE *psf, char const *format, ...) ;
/* Functions used in the write function for updating the peak chunk. */
void peak_update_short (SF_PRIVATE *psf, short *ptr, size_t items) ;
void peak_update_int (SF_PRIVATE *psf, int *ptr, size_t items) ;
void peak_update_double (SF_PRIVATE *psf, double *ptr, size_t items) ;
/* Functions defined in command.c. */
int psf_get_format_simple_count (void) ;
int psf_get_format_simple (SF_FORMAT_INFO *data) ;
int psf_get_format_info (SF_FORMAT_INFO *data) ;
int psf_get_format_major_count (void) ;
int psf_get_format_major (SF_FORMAT_INFO *data) ;
int psf_get_format_subtype_count (void) ;
int psf_get_format_subtype (SF_FORMAT_INFO *data) ;
void psf_generate_format_desc (SF_PRIVATE *psf) ;
double psf_calc_signal_max (SF_PRIVATE *psf, int normalize) ;
int psf_calc_max_all_channels (SF_PRIVATE *psf, double *peaks, int normalize) ;
int psf_get_signal_max (SF_PRIVATE *psf, double *peak) ;
int psf_get_max_all_channels (SF_PRIVATE *psf, double *peaks) ;
/* Functions in strings.c. */
const char* psf_get_string (SF_PRIVATE *psf, int str_type) ;
int psf_set_string (SF_PRIVATE *psf, int str_type, const char *str) ;
int psf_store_string (SF_PRIVATE *psf, int str_type, const char *str) ;
/* Default seek function. Use for PCM and float encoded data. */
sf_count_t psf_default_seek (SF_PRIVATE *psf, int mode, sf_count_t samples_from_start) ;
/* Generate the currebt date as a string. */
void psf_get_date_str (char *str, int maxlen) ;
int macos_guess_file_type (SF_PRIVATE *psf, const char *filename) ;
/*------------------------------------------------------------------------------------
** File I/O functions which will allow access to large files (> 2 Gig) on
** some 32 bit OSes. Implementation in file_io.c.
*/
int psf_fopen (SF_PRIVATE *psf, const char *pathname, int flags) ;
int psf_set_stdio (SF_PRIVATE *psf, int mode) ;
int psf_file_valid (SF_PRIVATE *psf) ;
void psf_set_file (SF_PRIVATE *psf, int fd) ;
void psf_init_files (SF_PRIVATE *psf) ;
void psf_use_rsrc (SF_PRIVATE *psf, int on_off) ;
sf_count_t psf_fseek (SF_PRIVATE *psf, sf_count_t offset, int whence) ;
sf_count_t psf_fread (void *ptr, sf_count_t bytes, sf_count_t count, SF_PRIVATE *psf) ;
sf_count_t psf_fwrite (const void *ptr, sf_count_t bytes, sf_count_t count, SF_PRIVATE *psf) ;
sf_count_t psf_fgets (char *buffer, sf_count_t bufsize, SF_PRIVATE *psf) ;
sf_count_t psf_ftell (SF_PRIVATE *psf) ;
sf_count_t psf_get_filelen (SF_PRIVATE *psf) ;
void psf_fsync (SF_PRIVATE *psf) ;
int psf_is_pipe (SF_PRIVATE *psf) ;
int psf_ftruncate (SF_PRIVATE *psf, sf_count_t len) ;
int psf_fclose (SF_PRIVATE *psf) ;
/* Open and close the resource fork of a file. */
int psf_open_rsrc (SF_PRIVATE *psf, int mode) ;
int psf_close_rsrc (SF_PRIVATE *psf) ;
/*
void psf_fclearerr (SF_PRIVATE *psf) ;
int psf_ferror (SF_PRIVATE *psf) ;
*/
/*------------------------------------------------------------------------------------
** Functions for reading and writing different file formats.
*/
int aiff_open (SF_PRIVATE *psf) ;
int au_open (SF_PRIVATE *psf) ;
int avr_open (SF_PRIVATE *psf) ;
int htk_open (SF_PRIVATE *psf) ;
int ircam_open (SF_PRIVATE *psf) ;
int mat4_open (SF_PRIVATE *psf) ;
int mat5_open (SF_PRIVATE *psf) ;
int nist_open (SF_PRIVATE *psf) ;
int paf_open (SF_PRIVATE *psf) ;
int pvf_open (SF_PRIVATE *psf) ;
int raw_open (SF_PRIVATE *psf) ;
int sd2_open (SF_PRIVATE *psf) ;
int sds_open (SF_PRIVATE *psf) ;
int svx_open (SF_PRIVATE *psf) ;
int voc_open (SF_PRIVATE *psf) ;
int w64_open (SF_PRIVATE *psf) ;
int wav_open (SF_PRIVATE *psf) ;
int xi_open (SF_PRIVATE *psf) ;
int flac_open (SF_PRIVATE *psf) ;
int caf_open (SF_PRIVATE *psf) ;
/* In progress. Do not currently work. */
int mpeg_open (SF_PRIVATE *psf) ;
int ogg_open (SF_PRIVATE *psf) ;
int rx2_open (SF_PRIVATE *psf) ;
int txw_open (SF_PRIVATE *psf) ;
int wve_open (SF_PRIVATE *psf) ;
int dwd_open (SF_PRIVATE *psf) ;
int macbinary3_open (SF_PRIVATE *psf) ;
/*------------------------------------------------------------------------------------
** Init functions for a number of common data encodings.
*/
int pcm_init (SF_PRIVATE *psf) ;
int ulaw_init (SF_PRIVATE *psf) ;
int alaw_init (SF_PRIVATE *psf) ;
int float32_init (SF_PRIVATE *psf) ;
int double64_init (SF_PRIVATE *psf) ;
int dwvw_init (SF_PRIVATE *psf, int bitwidth) ;
int gsm610_init (SF_PRIVATE *psf) ;
int vox_adpcm_init (SF_PRIVATE *psf) ;
int flac_init (SF_PRIVATE *psf) ;
int g72x_init (SF_PRIVATE * psf) ;
int dither_init (SF_PRIVATE *psf, int mode) ;
int wav_w64_ima_init (SF_PRIVATE *psf, int blockalign, int samplesperblock) ;
int wav_w64_msadpcm_init (SF_PRIVATE *psf, int blockalign, int samplesperblock) ;
int aiff_ima_init (SF_PRIVATE *psf, int blockalign, int samplesperblock) ;
int interleave_init (SF_PRIVATE *psf) ;
/*------------------------------------------------------------------------------------
** Other helper functions.
*/
void *psf_memset (void *s, int c, sf_count_t n) ;
SF_INSTRUMENT * psf_instrument_alloc (void) ;
SF_BROADCAST_INFO* broadcast_info_alloc (void) ;
int broadcast_info_copy (SF_BROADCAST_INFO* dst, SF_BROADCAST_INFO* src) ;
int broadcast_add_coding_history (SF_BROADCAST_INFO* bext, unsigned int channels, unsigned int samplerate) ;
/*------------------------------------------------------------------------------------
** Here's how we fix systems which don't snprintf / vsnprintf.
** Systems without these functions should use the
*/
#if USE_WINDOWS_API
#define LSF_SNPRINTF _snprintf
#elif (HAVE_SNPRINTF && ! FORCE_MISSING_SNPRINTF)
#define LSF_SNPRINTF snprintf
#else
int missing_snprintf (char *str, size_t n, char const *fmt, ...) ;
#define LSF_SNPRINTF missing_snprintf
#endif
#if USE_WINDOWS_API
#define LSF_VSNPRINTF _vsnprintf
#elif (HAVE_VSNPRINTF && ! FORCE_MISSING_SNPRINTF)
#define LSF_VSNPRINTF vsnprintf
#else
int missing_vsnprintf (char *str, size_t n, const char *fmt, ...) ;
#define LSF_VSNPRINTF missing_vsnprintf
#endif
/*------------------------------------------------------------------------------------
** Extra commands for sf_command(). Not for public use yet.
*/
enum
{ SFC_TEST_AIFF_ADD_INST_CHUNK = 0x2000,
SFC_TEST_WAV_ADD_INFO_CHUNK = 0x2010
} ;
/*
** Maybe, one day, make these functions or something like them, public.
**
** Buffer to buffer dithering. Pointer in and out are allowed to point
** to the same buffer for in-place dithering.
*/
#if 0
int sf_dither_short (const SF_DITHER_INFO *dither, const short *in, short *out, int count) ;
int sf_dither_int (const SF_DITHER_INFO *dither, const int *in, int *out, int count) ;
int sf_dither_float (const SF_DITHER_INFO *dither, const float *in, float *out, int count) ;
int sf_dither_double (const SF_DITHER_INFO *dither, const double *in, double *out, int count) ;
#endif
#endif /* SNDFILE_COMMON_H */
/*
** Do not edit or modify anything in this comment block.
** The arch-tag line is a file identity tag for the GNU Arch
** revision control system.
**
** arch-tag: 7b45c0ee-5835-4a18-a4ef-994e4cd95b67
*/
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