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twoapple-reboot/src/sndfile.d

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module sndfile;
import derelict.util.loader;
/+
+ The following file types can be read and written.
+ A file type would consist of a major type (ie SF_FORMAT_WAV) bitwise
+ ORed with a minor type (ie SF_FORMAT_PCM). SF_FORMAT_TYPEMASK and
+ SF_FORMAT_SUBMASK can be used to separate the major and minor file
+ types.
+/
enum
{
// Major formats.
SF_FORMAT_WAV = 0x010000, /+ Microsoft WAV format
(little endian default). +/
SF_FORMAT_AIFF = 0x020000, // Apple/SGI AIFF format (big endian).
SF_FORMAT_AU = 0x030000, // Sun/NeXT AU format (big endian).
SF_FORMAT_RAW = 0x040000, // RAW PCM data.
SF_FORMAT_PAF = 0x050000, // Ensoniq PARIS file format.
SF_FORMAT_SVX = 0x060000, // Amiga IFF / SVX8 / SV16 format.
SF_FORMAT_NIST = 0x070000, // Sphere NIST format.
SF_FORMAT_VOC = 0x080000, // VOC files.
SF_FORMAT_IRCAM = 0x0A0000, // Berkeley/IRCAM/CARL
SF_FORMAT_W64 = 0x0B0000, // Sonic Foundry's 64 bit RIFF/WAV
SF_FORMAT_MAT4 = 0x0C0000, // Matlab (tm) V4.2 / GNU Octave 2.0
SF_FORMAT_MAT5 = 0x0D0000, // Matlab (tm) V5.0 / GNU Octave 2.1
SF_FORMAT_PVF = 0x0E0000, // Portable Voice Format
SF_FORMAT_XI = 0x0F0000, // Fasttracker 2 Extended Instrument
SF_FORMAT_HTK = 0x100000, // HMM Tool Kit format
SF_FORMAT_SDS = 0x110000, // Midi Sample Dump Standard
SF_FORMAT_AVR = 0x120000, // Audio Visual Research
SF_FORMAT_WAVEX = 0x130000, // MS WAVE with WAVEFORMATEX
SF_FORMAT_SD2 = 0x160000, // Sound Designer 2
SF_FORMAT_FLAC = 0x170000, // FLAC lossless file format
SF_FORMAT_CAF = 0x180000, // Core Audio File format
// Subtypes from here on.
SF_FORMAT_PCM_S8 = 0x0001, // Signed 8 bit data
SF_FORMAT_PCM_16 = 0x0002, // Signed 16 bit data
SF_FORMAT_PCM_24 = 0x0003, // Signed 24 bit data
SF_FORMAT_PCM_32 = 0x0004, // Signed 32 bit data
SF_FORMAT_PCM_U8 = 0x0005, /+ Unsigned 8 bit data
(WAV and RAW only) +/
SF_FORMAT_FLOAT = 0x0006, // 32 bit float data
SF_FORMAT_DOUBLE = 0x0007, // 64 bit float data
SF_FORMAT_ULAW = 0x0010, // U-Law encoded.
SF_FORMAT_ALAW = 0x0011, // A-Law encoded.
SF_FORMAT_IMA_ADPCM = 0x0012, // IMA ADPCM.
SF_FORMAT_MS_ADPCM = 0x0013, // Microsoft ADPCM.
SF_FORMAT_GSM610 = 0x0020, // GSM 6.10 encoding.
SF_FORMAT_VOX_ADPCM = 0x0021, // OKI / Dialogix ADPCM
SF_FORMAT_G721_32 = 0x0030, // 32kbs G721 ADPCM encoding.
SF_FORMAT_G723_24 = 0x0031, // 24kbs G723 ADPCM encoding.
SF_FORMAT_G723_40 = 0x0032, // 40kbs G723 ADPCM encoding.
SF_FORMAT_DWVW_12 = 0x0040, /+ 12 bit Delta Width Variable Word
encoding. +/
SF_FORMAT_DWVW_16 = 0x0041, /+ 16 bit Delta Width Variable Word
encoding. +/
SF_FORMAT_DWVW_24 = 0x0042, /+ 24 bit Delta Width Variable Word
encoding. +/
SF_FORMAT_DWVW_N = 0x0043, /+ N bit Delta Width Variable Word
encoding. +/
SF_FORMAT_DPCM_8 = 0x0050, // 8 bit differential PCM (XI only)
SF_FORMAT_DPCM_16 = 0x0051, // 16 bit differential PCM (XI only)
// Endian-ness options.
SF_ENDIAN_FILE = 0x00000000, // Default file endian-ness.
SF_ENDIAN_LITTLE = 0x10000000, // Force little endian-ness.
SF_ENDIAN_BIG = 0x20000000, // Force big endian-ness.
SF_ENDIAN_CPU = 0x30000000, // Force CPU endian-ness.
SF_FORMAT_SUBMASK = 0x0000FFFF,
SF_FORMAT_TYPEMASK = 0x0FFF0000,
SF_FORMAT_ENDMASK = 0x30000000
}
/+
+ The following are the valid command numbers for the sf_command()
+ interface. The use of these commands is documented in the file
+ command.html in the doc directory of the source code distribution.
+/
enum
{
SFC_GET_LIB_VERSION = 0x1000,
SFC_GET_LOG_INFO = 0x1001,
SFC_GET_NORM_DOUBLE = 0x1010,
SFC_GET_NORM_FLOAT = 0x1011,
SFC_SET_NORM_DOUBLE = 0x1012,
SFC_SET_NORM_FLOAT = 0x1013,
SFC_SET_SCALE_FLOAT_INT_READ = 0x1014,
SFC_GET_SIMPLE_FORMAT_COUNT = 0x1020,
SFC_GET_SIMPLE_FORMAT = 0x1021,
SFC_GET_FORMAT_INFO = 0x1028,
SFC_GET_FORMAT_MAJOR_COUNT = 0x1030,
SFC_GET_FORMAT_MAJOR = 0x1031,
SFC_GET_FORMAT_SUBTYPE_COUNT = 0x1032,
SFC_GET_FORMAT_SUBTYPE = 0x1033,
SFC_CALC_SIGNAL_MAX = 0x1040,
SFC_CALC_NORM_SIGNAL_MAX = 0x1041,
SFC_CALC_MAX_ALL_CHANNELS = 0x1042,
SFC_CALC_NORM_MAX_ALL_CHANNELS = 0x1043,
SFC_GET_SIGNAL_MAX = 0x1044,
SFC_GET_MAX_ALL_CHANNELS = 0x1045,
SFC_SET_ADD_PEAK_CHUNK = 0x1050,
SFC_UPDATE_HEADER_NOW = 0x1060,
SFC_SET_UPDATE_HEADER_AUTO = 0x1061,
SFC_FILE_TRUNCATE = 0x1080,
SFC_SET_RAW_START_OFFSET = 0x1090,
SFC_SET_DITHER_ON_WRITE = 0x10A0,
SFC_SET_DITHER_ON_READ = 0x10A1,
SFC_GET_DITHER_INFO_COUNT = 0x10A2,
SFC_GET_DITHER_INFO = 0x10A3,
SFC_GET_EMBED_FILE_INFO = 0x10B0,
SFC_SET_CLIPPING = 0x10C0,
SFC_GET_CLIPPING = 0x10C1,
SFC_GET_INSTRUMENT = 0x10D0,
SFC_SET_INSTRUMENT = 0x10D1,
SFC_GET_LOOP_INFO = 0x10E0,
SFC_GET_BROADCAST_INFO = 0x10F0,
SFC_SET_BROADCAST_INFO = 0x10F1,
// Following commands for testing only.
SFC_TEST_IEEE_FLOAT_REPLACE = 0x6001,
/+
+ SFC_SET_ADD_* values are deprecated and will disappear at some
+ time in the future. They are guaranteed to be here up to and
+ including version 1.0.8 to avoid breakage of existng software.
+ They currently do nothing and will continue to do nothing.
+/
SFC_SET_ADD_DITHER_ON_WRITE = 0x1070,
SFC_SET_ADD_DITHER_ON_READ = 0x1071
}
/+
+ String types that can be set and read from files. Not all file types
+ support this and even the file types which support one, may not support
+ all string types.
+/
enum
{
SF_STR_TITLE = 0x01,
SF_STR_COPYRIGHT = 0x02,
SF_STR_SOFTWARE = 0x03,
SF_STR_ARTIST = 0x04,
SF_STR_COMMENT = 0x05,
SF_STR_DATE = 0x06
}
/+
+ Use the following as the start and end index when doing metadata
+ transcoding.
+/
alias SF_STR_TITLE SF_STR_FIRST;
alias SF_STR_DATE SF_STR_LAST;
enum
{
// True and false
SF_FALSE = 0,
SF_TRUE = 1,
// Modes for opening files.
SFM_READ = 0x10,
SFM_WRITE = 0x20,
SFM_RDWR = 0x30
}
/+
+ Public error values. These are guaranteed to remain unchanged for the
+ duration of the library major version number. There are also a large number
+ of private error numbers which are internal to the library which can change
+ at any time.
+/
enum
{
SF_ERR_NO_ERROR = 0,
SF_ERR_UNRECOGNISED_FORMAT = 1,
SF_ERR_SYSTEM = 2,
SF_ERR_MALFORMED_FILE = 3,
SF_ERR_UNSUPPORTED_ENCODING = 4
}
// A SNDFILE* pointer can be passed around much like stdio.h's FILE* pointer.
struct SNDFILE_tag {}
alias SNDFILE_tag SNDFILE;
alias long sf_count_t;
enum : long
{
SF_COUNT_MAX = 0x7FFFFFFFFFFFFFFFL
}
/+
+ A pointer to a SF_INFO structure is passed to sf_open_read() and filled in.
+ On write, the SF_INFO structure is filled in by the user and passed into
+ sf_open_write().
+/
struct SF_INFO
{
sf_count_t frames; /+ Used to be called samples.
Changed to avoid confusion. +/
int samplerate;
int channels;
int format;
int sections;
int seekable;
}
/+
+ The SF_FORMAT_INFO struct is used to retrieve information about the sound
+ file formats libsndfile supports using the sf_command() interface.
+
+ Using this interface will allow applications to support new file formats
+ and encoding types when libsndfile is upgraded, without requiring
+ re-compilation of the application.
+
+ Please consult the libsndfile documentation (particularly the information
+ on the sf_command() interface) for examples of its use.
+/
struct SF_FORMAT_INFO
{
int format;
char* name;
char* extension;
}
/+
+ Enums and typedefs for adding dither on read and write.
+ See the html documentation for sf_command(), SFC_SET_DITHER_ON_WRITE
+ and SFC_SET_DITHER_ON_READ.
+/
enum
{
SFD_DEFAULT_LEVEL = 0,
SFD_CUSTOM_LEVEL = 0x40000000,
SFD_NO_DITHER = 500,
SFD_WHITE = 501,
SFD_TRIANGULAR_PDF = 502
}
struct SF_DITHER_INFO
{
int type;
double level;
char* name;
}
/+
+ Struct used to retrieve information about a file embedded within a
+ larger file. See SFC_GET_EMBED_FILE_INFO.
+/
struct SF_EMBED_FILE_INFO
{
sf_count_t offset;
sf_count_t length;
}
// Structs used to retrieve music sample information from a file.
enum
{
// The loop mode field in SF_INSTRUMENT will be one of the following.
SF_LOOP_NONE = 800,
SF_LOOP_FORWARD,
SF_LOOP_BACKWARD,
SF_LOOP_ALTERNATING
}
struct SF_INSTRUMENT
{
int gain;
byte basenote, detune;
byte velocity_lo, velocity_hi;
byte key_lo, key_hi;
int loop_count;
struct __loops
{ int mode;
uint start;
uint end;
uint count;
}
__loops[16] loops;
}
// Struct used to retrieve loop information from a file.
struct SF_LOOP_INFO
{
short time_sig_num; // any positive integer > 0
short time_sig_den; // any positive power of 2 > 0
int loop_mode; // see SF_LOOP enum
int num_beats; /+ this is NOT the amount of quarter notes !!!
a full bar of 4/4 is 4 beats
a full bar of 7/8 is 7 beats +/
float bpm; /+ suggestion, as it can be calculated using other
fields (file's length, file's sampleRate and
our time_sig_den). bpms are always the amount
of _quarter notes_ per minute +/
int root_key; // MIDI note, or -1 for None
int[6] future;
}
/+
+ Struct used to retrieve broadcast (EBU) information from a file.
+ Strongly (!) based on EBU "bext" chunk format used in Broadcast WAVE.
+/
struct SF_BROADCAST_INFO
{
byte[256] description;
byte[32] originator;
byte[32] originator_reference;
byte[10] origination_date;
byte[8] origination_time;
int time_reference_low;
int time_reference_high;
short version_; // XXX changed from version
byte[64] umid;
byte[190] reserved;
uint coding_history_size ;
byte[256] coding_history;
}
extern(C) alias sf_count_t function(void*) sf_vio_get_filelen;
extern(C) alias sf_count_t function(sf_count_t, int, void*) sf_vio_seek;
extern(C) alias sf_count_t function(void*, sf_count_t, void*) sf_vio_read;
extern(C) alias sf_count_t function(void*, sf_count_t, void*) sf_vio_write;
extern(C) alias sf_count_t function(void*) sf_vio_tell;
struct SF_VIRTUAL_IO
{
sf_vio_get_filelen get_filelen;
sf_vio_seek seek;
sf_vio_read read;
sf_vio_write write;
sf_vio_tell tell;
}
private void loadsndfile(SharedLib lib)
{
bindFunc(sf_open)("sf_open", lib);
bindFunc(sf_open_fd)("sf_open_fd", lib);
bindFunc(sf_open_virtual)("sf_open_virtual", lib);
bindFunc(sf_error)("sf_error", lib);
bindFunc(sf_strerror)("sf_strerror", lib);
bindFunc(sf_error_number)("sf_error_number", lib);
bindFunc(sf_perror)("sf_perror", lib);
bindFunc(sf_error_str)("sf_error_str", lib);
bindFunc(sf_command)("sf_command", lib);
bindFunc(sf_format_check)("sf_format_check", lib);
bindFunc(sf_seek)("sf_seek", lib);
bindFunc(sf_set_string)("sf_set_string", lib);
bindFunc(sf_get_string)("sf_get_string", lib);
bindFunc(sf_read_raw)("sf_read_raw", lib);
bindFunc(sf_write_raw)("sf_write_raw", lib);
bindFunc(sf_readf_short)("sf_readf_short", lib);
bindFunc(sf_writef_short)("sf_writef_short", lib);
bindFunc(sf_readf_int)("sf_readf_int", lib);
bindFunc(sf_writef_int)("sf_writef_int", lib);
bindFunc(sf_readf_float)("sf_readf_float", lib);
bindFunc(sf_writef_float)("sf_writef_float", lib);
bindFunc(sf_readf_double)("sf_readf_double", lib);
bindFunc(sf_writef_double)("sf_writef_double", lib);
bindFunc(sf_read_short)("sf_read_short", lib);
bindFunc(sf_write_short)("sf_write_short", lib);
bindFunc(sf_read_int)("sf_read_int", lib);
bindFunc(sf_write_int)("sf_write_int", lib);
bindFunc(sf_read_float)("sf_read_float", lib);
bindFunc(sf_write_float)("sf_write_float", lib);
bindFunc(sf_read_double)("sf_read_double", lib);
bindFunc(sf_write_double)("sf_write_double", lib);
bindFunc(sf_close)("sf_close", lib);
bindFunc(sf_write_sync)("sf_write_sync", lib);
}
GenericLoader libsndfile;
static this()
{
libsndfile.setup(
"libsndfile.dll",
"libsndfile.so, libsndfile.so.1",
"",
&loadsndfile);
}
extern(C):
/+
+ Open the specified file for read, write or both. On error, this will
+ return a NULL pointer. To find the error number, pass a NULL SNDFILE
+ to sf_perror() or sf_error_str().
+ All calls to sf_open() should be matched with a call to sf_close().
+/
typedef SNDFILE* function(char* path, int mode, SF_INFO* sfinfo) pfsf_open;
pfsf_open sf_open;
/+
+ Use the existing file descriptor to create a SNDFILE object. If close_desc
+ is TRUE, the file descriptor will be closed when sf_close() is called. If
+ it is FALSE, the descritor will not be closed.
+ When passed a descriptor like this, the library will assume that the start
+ of file header is at the current file offset. This allows sound files within
+ larger container files to be read and/or written.
+ On error, this will return a NULL pointer. To find the error number, pass a
+ NULL SNDFILE to sf_perror() or sf_error_str().
+ All calls to sf_open_fd() should be matched with a call to sf_close().
+/
typedef SNDFILE* function(int fd, int mode, SF_INFO* sfinfo, int close_desc)
pfsf_open_fd;
typedef SNDFILE* function(SF_VIRTUAL_IO* sfvirtual, int mode, SF_INFO* sfinfo,
void* user_data) pfsf_open_virtual;
pfsf_open_fd sf_open_fd;
pfsf_open_virtual sf_open_virtual;
/+
+ sf_error() returns a error number which can be translated to a text
+ string using sf_error_number().
+/
typedef int function(SNDFILE* sndfile) pfsf_error;
pfsf_error sf_error;
/+
+ sf_strerror() returns to the caller a pointer to the current error message
+ for the given SNDFILE.
+/
typedef char* function(SNDFILE* sndfile) pfsf_strerror;
pfsf_strerror sf_strerror;
/+
+ sf_error_number() allows the retrieval of the error string for each
+ internal error number.
+/
typedef char* function(int errnum) pfsf_error_number;
pfsf_error_number sf_error_number;
/+
+ The following three error functions are deprecated but they will remain in
+ the library for the forseeable future. The function sf_strerror() should be
+ used in their place.
+/
typedef int function(SNDFILE* sndfile) pfsf_perror;
typedef int function(SNDFILE* sndfile, char* str, size_t len) pfsf_error_str;
pfsf_perror sf_perror;
pfsf_error_str sf_error_str;
/+
+ Return TRUE if fields of the SF_INFO struct are a valid combination of
+ values.
+/
typedef int function(SNDFILE* sndfile, int command, void* data, int datasize)
pfsf_command;
pfsf_command sf_command;
/+
+ Return TRUE if fields of the SF_INFO struct are a valid combination of
+ values.
+/
typedef int function(SF_INFO* info) pfsf_format_check;
pfsf_format_check sf_format_check;
/+
+ Seek within the waveform data chunk of the SNDFILE. sf_seek() uses
+ the same values for whence (SEEK_SET, SEEK_CUR and SEEK_END) as
+ stdio.h function fseek().
+ An offset of zero with whence set to SEEK_SET will position the
+ read / write pointer to the first data sample.
+ On success sf_seek returns the current position in (multi-channel)
+ samples from the start of the file.
+ Please see the libsndfile documentation for moving the read pointer
+ separately from the write pointer on files open in mode SFM_RDWR.
+ On error all of these functions return -1.
+/
typedef sf_count_t function(SNDFILE* sndfile, sf_count_t frames, int whence)
pfsf_seek;
pfsf_seek sf_seek;
/+
+ Functions for retrieving and setting string data within sound files.
+ Not all file types support this features; AIFF and WAV do. For both
+ functions, the str_type parameter must be one of the SF_STR_* values
+ defined above.
+ On error, sf_set_string() returns non-zero while sf_get_string()
+ returns NULL.
+/
typedef int function(SNDFILE* sndfile, int str_type, char* str)
pfsf_set_string;
typedef char* function(SNDFILE* sndfile, int str_type) pfsf_get_string;
pfsf_set_string sf_set_string;
pfsf_get_string sf_get_string;
// Functions for reading/writing the waveform data of a sound file.
typedef sf_count_t function(SNDFILE* sndfile, void* ptr, sf_count_t bytes)
pfsf_read_raw;
typedef sf_count_t function(SNDFILE* sndfile, void* ptr, sf_count_t bytes)
pfsf_write_raw;
pfsf_read_raw sf_read_raw;
pfsf_write_raw sf_write_raw;
/+
+ Functions for reading and writing the data chunk in terms of frames.
+ The number of items actually read/written = frames * number of channels.
+ sf_xxxx_raw read/writes the raw data bytes from/to the file
+ sf_xxxx_short passes data in the native short format
+ sf_xxxx_int passes data in the native int format
+ sf_xxxx_float passes data in the native float format
+ sf_xxxx_double passes data in the native double format
+ All of these read/write function return number of frames read/written.
+/
typedef sf_count_t function(SNDFILE* sndfile, short* ptr, sf_count_t frames)
pfsf_readf_short;
typedef sf_count_t function(SNDFILE* sndfile, short* ptr, sf_count_t frames)
pfsf_writef_short;
typedef sf_count_t function(SNDFILE* sndfile, int* ptr, sf_count_t frames)
pfsf_readf_int;
typedef sf_count_t function(SNDFILE* sndfile, int* ptr, sf_count_t frames)
pfsf_writef_int;
typedef sf_count_t function(SNDFILE* sndfile, float* ptr, sf_count_t frames)
pfsf_readf_float;
typedef sf_count_t function(SNDFILE* sndfile, float* ptr, sf_count_t frames)
pfsf_writef_float;
typedef sf_count_t function(SNDFILE* sndfile, double* ptr, sf_count_t frames)
pfsf_readf_double;
typedef sf_count_t function(SNDFILE* sndfile, double* ptr, sf_count_t frames)
pfsf_writef_double;
pfsf_readf_short sf_readf_short;
pfsf_writef_short sf_writef_short;
pfsf_readf_int sf_readf_int;
pfsf_writef_int sf_writef_int;
pfsf_readf_float sf_readf_float;
pfsf_writef_float sf_writef_float;
pfsf_readf_double sf_readf_double;
pfsf_writef_double sf_writef_double;
/+
+ Functions for reading and writing the data chunk in terms of items.
+ Otherwise similar to above.
+ All of these read/write function return number of items read/written.
+/
typedef sf_count_t function(SNDFILE* sndfile, short* ptr, sf_count_t items)
pfsf_read_short;
typedef sf_count_t function(SNDFILE* sndfile, short* ptr, sf_count_t items)
pfsf_write_short;
typedef sf_count_t function(SNDFILE* sndfile, int* ptr, sf_count_t items)
pfsf_read_int;
typedef sf_count_t function(SNDFILE* sndfile, int* ptr, sf_count_t items)
pfsf_write_int;
typedef sf_count_t function(SNDFILE* sndfile, float* ptr, sf_count_t items)
pfsf_read_float;
typedef sf_count_t function(SNDFILE* sndfile, float* ptr, sf_count_t items)
pfsf_write_float;
typedef sf_count_t function(SNDFILE* sndfile, double* ptr, sf_count_t items)
pfsf_read_double;
typedef sf_count_t function(SNDFILE* sndfile, double* ptr, sf_count_t items)
pfsf_write_double;
pfsf_read_short sf_read_short;
pfsf_write_short sf_write_short;
pfsf_read_int sf_read_int;
pfsf_write_int sf_write_int;
pfsf_read_float sf_read_float;
pfsf_write_float sf_write_float;
pfsf_read_double sf_read_double;
pfsf_write_double sf_write_double;
/+
+ Close the SNDFILE and clean up all memory allocations associated with this
+ file.
+ Returns 0 on success, or an error number.
+/
typedef int function(SNDFILE* sndfile) pfsf_close;
pfsf_close sf_close;
/+
+ If the file is opened SFM_WRITE or SFM_RDWR, call fsync() on the file
+ to force the writing of data to disk. If the file is opened SFM_READ
+ no action is taken.
+/
typedef void function(SNDFILE* sndfile) pfsf_write_sync;
pfsf_write_sync sf_write_sync;
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