--- /dev/null
+/*
+** Copyright (C) 1999-2011 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>
+#include <string.h>
+
+#if HAVE_STDINT_H
+#include <stdint.h>
+#elif HAVE_INTTYPES_H
+#include <inttypes.h>
+#endif
+
+#ifndef SNDFILE_H
+#include "sndfile.h"
+#endif
+
+#ifdef __cplusplus
+#error "This code is not designed to be compiled with a C++ compiler."
+#endif
+
+#if (SIZEOF_LONG == 8)
+# define SF_PLATFORM_S64(x) x##l
+#elif (SIZEOF_LONG_LONG == 8)
+# define SF_PLATFORM_S64(x) x##ll
+#elif COMPILER_IS_GCC
+# define SF_PLATFORM_S64(x) x##ll
+#elif OS_IS_WIN32
+# define SF_PLATFORM_S64(x) x##I64
+#else
+# error "Don't know how to define a 64 bit integer constant."
+#endif
+
+
+
+/*
+** Inspiration : http://sourcefrog.net/weblog/software/languages/C/unused.html
+*/
+#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 (32)
+#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 NOT(x) (! (x))
+
+#if (COMPILER_IS_GCC == 1)
+#define SF_MAX(x,y) ({ \
+ typeof (x) sf_max_x1 = (x) ; \
+ typeof (y) sf_max_y1 = (y) ; \
+ (void) (&sf_max_x1 == &sf_max_y1) ; \
+ sf_max_x1 > sf_max_y1 ? sf_max_x1 : sf_max_y1 ; })
+
+#define SF_MIN(x,y) ({ \
+ typeof (x) sf_min_x2 = (x) ; \
+ typeof (y) sf_min_y2 = (y) ; \
+ (void) (&sf_min_x2 == &sf_min_y2) ; \
+ sf_min_x2 < sf_min_y2 ? sf_min_x2 : sf_min_y2 ; })
+#else
+#define SF_MAX(a,b) ((a) > (b) ? (a) : (b))
+#define SF_MIN(a,b) ((a) < (b) ? (a) : (b))
+#endif
+
+
+#define SF_MAX_CHANNELS 256
+
+
+/*
+* Macros for spliting the format file of SF_INFI into contrainer type,
+** codec type and endian-ness.
+*/
+#define SF_CONTAINER(x) ((x) & SF_FORMAT_TYPEMASK)
+#define SF_CODEC(x) ((x) & SF_FORMAT_SUBMASK)
+#define SF_ENDIAN(x) ((x) & SF_FORMAT_ENDMASK)
+
+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. */
+ SF_FORMAT_SPEEX = 0x5000000,
+ SF_FORMAT_OGGFLAC = 0x5000001,
+
+ /* Formats supported read only. */
+ SF_FORMAT_TXW = 0x4030000, /* Yamaha TX16 sampler file */
+ SF_FORMAT_DWD = 0x4040000, /* DiamondWare Digirized */
+
+ /* Following are detected but not supported. */
+ 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_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 */
+
+typedef SF_BROADCAST_INFO_VAR (16 * 1024) SF_BROADCAST_INFO_16K ;
+
+#if SIZEOF_WCHAR_T == 2
+typedef wchar_t sfwchar_t ;
+#else
+typedef int16_t sfwchar_t ;
+#endif
+
+/*
+** This version of isprint specifically ignores any locale info. Its used for
+** determining which characters can be printed in things like hexdumps.
+*/
+static inline int
+psf_isprint (int ch)
+{ return (ch >= ' ' && ch <= '~') ;
+} /* psf_isprint */
+
+/*=======================================================================================
+** 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
+{
+ union
+ { char c [SF_FILENAME_LEN] ;
+ sfwchar_t wc [SF_FILENAME_LEN] ;
+ } path ;
+
+ union
+ { char c [SF_FILENAME_LEN] ;
+ sfwchar_t wc [SF_FILENAME_LEN] ;
+ } dir ;
+
+ union
+ { char c [SF_FILENAME_LEN / 4] ;
+ sfwchar_t wc [SF_FILENAME_LEN / 4] ;
+ } name ;
+
+#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 *handle, *hsaved ;
+
+ int use_wchar ;
+#else
+ /* These fields can only be used in src/file_io.c. */
+ int filedes, savedes ;
+#endif
+
+ int do_not_close_descriptor ;
+ int mode ; /* Open mode : SFM_READ, SFM_WRITE or SFM_RDWR. */
+} PSF_FILE ;
+
+
+typedef struct sf_private_tag
+{
+ /* Canary in a coal mine. */
+ union
+ { /* Place a double here to encourage double alignment. */
+ double d [2] ;
+ char c [16] ;
+ } canary ;
+
+ /* 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 ;
+
+
+ PSF_FILE file, rsrc ;
+
+ 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 ;
+
+ unsigned unique_id ;
+
+ /* Index variables for maintaining logbuffer and header above. */
+ int logindex ;
+ int headindex, headend ;
+ int has_text ;
+
+ int error ;
+
+ int endian ; /* File endianness : SF_ENDIAN_LITTLE or SF_ENDIAN_BIG. */
+ int data_endswap ; /* Need to endswap data? */
+
+ /*
+ ** Maximum float value for calculating the multiplier for
+ ** float/double to short/int conversions.
+ */
+ int float_int_mult ;
+ float float_max ;
+
+ int scale_int_float ;
+
+ /* 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_16K *broadcast_16k ;
+
+ /* Channel map data (if present) : an array of ints. */
+ int *channel_map ;
+
+ 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 *container_data ; /* This is a pointer to dynamically allocated file
+ ** container format specific data.
+ */
+
+ void *codec_data ; /* This is a pointer to dynamically allocated file
+ ** codec 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_ZERO_MAJOR_FORMAT,
+ SFE_ZERO_MINOR_FORMAT,
+ 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_COMMAND_PARAM,
+ SFE_BAD_ENDIAN,
+ SFE_CHANNEL_COUNT_ZERO,
+ SFE_CHANNEL_COUNT,
+
+ 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_CMD_HAS_DATA,
+ SFE_BAD_BROADCAST_INFO_SIZE,
+ SFE_BAD_BROADCAST_INFO_TOO_BIG,
+
+ 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_BAD_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_PAF_BAD_CHANNELS,
+
+ 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_DATA,
+ SFE_W64_ADPCM_NOT4BIT,
+ SFE_W64_ADPCM_CHANNELS,
+ SFE_W64_GSM610_FORMAT,
+
+ SFE_MAT4_BAD_NAME,
+ SFE_MAT4_NO_SAMPLERATE,
+
+ SFE_MAT5_BAD_ENDIAN,
+ SFE_MAT5_NO_BLOCK,
+ SFE_MAT5_SAMPLE_RATE,
+
+ 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_WVE_NOT_WVE,
+ SFE_WVE_NO_PIPE,
+
+ SFE_VORBIS_ENCODER_BUG,
+
+ SFE_RF64_NOT_RF64,
+
+ 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) ;
+
+int32_t psf_rand_int32 (void) ;
+
+void append_snprintf (char * dest, size_t maxlen, const char * fmt, ...) ;
+void psf_strlcpy_crlf (char *dest, const char *src, size_t destmax, size_t srcmax) ;
+
+/* 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) ;
+int psf_location_string_count (const SF_PRIVATE * psf, int location) ;
+
+/* 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) ;
+
+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) ;
+int psf_set_stdio (SF_PRIVATE *psf) ;
+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) ;
+
+SNDFILE * psf_open_file (SF_PRIVATE *psf, SF_INFO *sfinfo) ;
+
+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 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) ;
+int mpc2k_open (SF_PRIVATE *psf) ;
+int rf64_open (SF_PRIVATE *psf) ;
+
+/* In progress. Do not currently work. */
+
+int ogg_vorbis_open (SF_PRIVATE *psf) ;
+int ogg_speex_open (SF_PRIVATE *psf) ;
+int ogg_pcm_open (SF_PRIVATE *psf) ;
+
+
+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) ;
+
+/*------------------------------------------------------------------------------------
+** Chunk logging functions.
+*/
+
+typedef struct
+{ struct
+ { int chunk ;
+ sf_count_t offset ;
+ sf_count_t len ;
+ } l [100] ;
+
+ int count ;
+} PRIV_CHUNK4 ;
+
+void pchk4_store (PRIV_CHUNK4 * pchk, int marker, sf_count_t offset, sf_count_t len) ;
+int pchk4_find (PRIV_CHUNK4 * pchk, int marker) ;
+
+/*------------------------------------------------------------------------------------
+** Functions that work like OpenBSD's strlcpy/strlcat to replace strncpy/strncat.
+**
+** See : http://www.gratisoft.us/todd/papers/strlcpy.html
+**
+** These functions are available on *BSD, but are not avaialble everywhere so we
+** implement them here.
+**
+** The argument order has been changed to that of strncpy/strncat to cause
+** compiler errors if code is carelessly converted from one to the other.
+*/
+
+static inline void
+psf_strlcat (char *dest, size_t n, const char *src)
+{ strncat (dest, src, n - strlen (dest) - 1) ;
+ dest [n - 1] = 0 ;
+} /* psf_strlcat */
+
+static inline void
+psf_strlcpy (char *dest, size_t n, const char *src)
+{ strncpy (dest, src, n - 1) ;
+ dest [n - 1] = 0 ;
+} /* psf_strlcpy */
+
+/*------------------------------------------------------------------------------------
+** Other helper functions.
+*/
+
+void *psf_memset (void *s, int c, sf_count_t n) ;
+
+SF_INSTRUMENT * psf_instrument_alloc (void) ;
+
+void psf_sanitize_string (char * cptr, int len) ;
+
+/* Generate the current date as a string. */
+void psf_get_date_str (char *str, int maxlen) ;
+
+SF_BROADCAST_INFO_16K * broadcast_var_alloc (void) ;
+int broadcast_var_set (SF_PRIVATE *psf, const SF_BROADCAST_INFO * data, size_t datasize) ;
+int broadcast_var_get (SF_PRIVATE *psf, SF_BROADCAST_INFO * data, size_t datasize) ;
+
+
+typedef struct
+{ int channels ;
+ int endianness ;
+} AUDIO_DETECT ;
+
+int audio_detect (SF_PRIVATE * psf, AUDIO_DETECT *ad, const unsigned char * data, int datalen) ;
+int id3_skip (SF_PRIVATE * psf) ;
+
+/*------------------------------------------------------------------------------------
+** Helper/debug functions.
+*/
+
+void psf_hexdump (const void *ptr, int len) ;
+
+const char * str_of_major_format (int format) ;
+const char * str_of_minor_format (int format) ;
+const char * str_of_open_mode (int mode) ;
+const char * str_of_endianness (int end) ;
+
+/*------------------------------------------------------------------------------------
+** 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 */
+
projects / Faustine.git / blobdiff