X-Git-Url: https://scm.cri.ensmp.fr/git/Faustine.git/blobdiff_plain/e5b0e8bee502e61dfaaf2a5bc4b4d9d4938a9a2a..e775f23a10c4ba37fc1a762299f52cd0d71593b7:/interpretor/libsndfile-1.0.25/src/common.h diff --git a/interpretor/libsndfile-1.0.25/src/common.h b/interpretor/libsndfile-1.0.25/src/common.h new file mode 100644 index 0000000..ed57804 --- /dev/null +++ b/interpretor/libsndfile-1.0.25/src/common.h @@ -0,0 +1,919 @@ +/* +** Copyright (C) 1999-2011 Erik de Castro Lopo +** +** 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 +#include + +#if HAVE_STDINT_H +#include +#elif HAVE_INTTYPES_H +#include +#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 */ +