ref: 5f0d6417237a6895b39ef2a20f9fbbe6689f57fe
dir: /common/libsndfile/src/wav.h/
#ifndef WAV_H_INCLUDED
#define WAV_H_INCLUDED
#ifdef _WIN32
#pragma pack(push,1)
#endif
typedef struct
{ unsigned short format ;
unsigned short channels ;
unsigned int samplerate ;
unsigned int bytespersec ;
unsigned short blockalign ;
unsigned short bitwidth ;
} MIN_WAV_FMT ;
typedef struct
{ unsigned short format ;
unsigned short channels ;
unsigned int samplerate ;
unsigned int bytespersec ;
unsigned short blockalign ;
unsigned short bitwidth ;
unsigned short extrabytes ;
unsigned short dummy ;
} WAV_FMT_SIZE20 ;
typedef struct
{ unsigned short format ;
unsigned short channels ;
unsigned int samplerate ;
unsigned int bytespersec ;
unsigned short blockalign ;
unsigned short bitwidth ;
unsigned short extrabytes ;
unsigned short samplesperblock ;
unsigned short numcoeffs ;
struct
{ short coeff1 ;
short coeff2 ;
} coeffs [7] ;
} MS_ADPCM_WAV_FMT ;
typedef struct
{ unsigned short format ;
unsigned short channels ;
unsigned int samplerate ;
unsigned int bytespersec ;
unsigned short blockalign ;
unsigned short bitwidth ;
unsigned short extrabytes ;
unsigned short samplesperblock ;
} IMA_ADPCM_WAV_FMT ;
typedef struct
{ unsigned int esf_field1 ;
unsigned short esf_field2 ;
unsigned short esf_field3 ;
unsigned char esf_field4 [8] ;
} EXT_SUBFORMAT ;
typedef struct
{ unsigned short format ;
unsigned short channels ;
unsigned int samplerate ;
unsigned int bytespersec ;
unsigned short blockalign ;
unsigned short bitwidth ;
unsigned short extrabytes ;
unsigned short validbits ;
unsigned int channelmask ;
EXT_SUBFORMAT esf ;
} EXTENSIBLE_WAV_FMT ;
typedef struct
{ unsigned short format ;
unsigned short channels ;
unsigned int samplerate ;
unsigned int bytespersec ;
unsigned short blockalign ;
unsigned short bitwidth ;
unsigned short extrabytes ;
unsigned short samplesperblock ;
} GSM610_WAV_FMT ;
typedef union
{ unsigned short format ;
MIN_WAV_FMT min ;
IMA_ADPCM_WAV_FMT ima ;
MS_ADPCM_WAV_FMT msadpcm ;
EXTENSIBLE_WAV_FMT ext ;
GSM610_WAV_FMT gsm610 ;
WAV_FMT_SIZE20 size20 ;
char padding [512] ;
} WAV_FMT ;
typedef struct
{ unsigned int samples ;
} FACT_CHUNK ;
/*------------------------------------------------------------------------------------
** Functions defined in wav.c
*/
int wav_close (SF_PRIVATE *psf) ;
/*------------------------------------------------------------------------------------
** Functions defined in wav_float.c
*/
int wav_read_x86f2s (SF_PRIVATE *psf, short *ptr, int len) ;
int wav_read_x86f2i (SF_PRIVATE *psf, int *ptr, int len) ;
int wav_read_x86f2d (SF_PRIVATE *psf, double *ptr, int len, int normalize) ;
int wav_write_s2x86f (SF_PRIVATE *psf, short *ptr, int len) ;
int wav_write_i2x86f (SF_PRIVATE *psf, int *ptr, int len) ;
int wav_write_d2x86f (SF_PRIVATE *psf, double *ptr, int len, int normalize) ;
/*------------------------------------------------------------------------------------
** Functions defined in wav_ima_adpcm.c
*/
off_t ima_seek (SF_PRIVATE *psf, off_t offset, int whence) ;
int wav_ima_close (SF_PRIVATE *psf) ;
int wav_ima_reader_init (SF_PRIVATE *psf, WAV_FMT *fmt) ;
int ima_read_s (SF_PRIVATE *psf, short *ptr, int len) ;
int ima_read_i (SF_PRIVATE *psf, int *ptr, int len) ;
int ima_read_d (SF_PRIVATE *psf, double *ptr, int len, int normalize) ;
int wav_ima_writer_init (SF_PRIVATE *psf, WAV_FMT *fmt) ;
int ima_write_s (SF_PRIVATE *psf, short *ptr, int len) ;
int ima_write_i (SF_PRIVATE *psf, int *ptr, int len) ;
int ima_write_d (SF_PRIVATE *psf, double *ptr, int len, int normalize) ;
/*------------------------------------------------------------------------------------
** Functions defined in wav_ms_adpcm.c
*/
off_t msadpcm_seek (SF_PRIVATE *psf, off_t offset, int whence) ;
int msadpcm_close (SF_PRIVATE *psf) ;
int msadpcm_reader_init (SF_PRIVATE *psf, WAV_FMT *fmt) ;
int msadpcm_read_s (SF_PRIVATE *psf, short *ptr, int len) ;
int msadpcm_read_i (SF_PRIVATE *psf, int *ptr, int len) ;
int msadpcm_read_d (SF_PRIVATE *psf, double *ptr, int len, int normalize) ;
int msadpcm_writer_init (SF_PRIVATE *psf, WAV_FMT *fmt) ;
int msadpcm_write_s (SF_PRIVATE *psf, short *ptr, int len) ;
int msadpcm_write_i (SF_PRIVATE *psf, int *ptr, int len) ;
int msadpcm_write_d (SF_PRIVATE *psf, double *ptr, int len, int normalize) ;
/*------------------------------------------------------------------------------------
** Functions defined in wav_gsm610.c
*/
/*
** off_t wav_gsm610_seek (SF_PRIVATE *psf, off_t offset, int whence) ;
*/
int wav_gsm610_close (SF_PRIVATE *psf) ;
int wav_gsm610_reader_init (SF_PRIVATE *psf, WAV_FMT *fmt) ;
int wav_gsm610_read_s (SF_PRIVATE *psf, short *ptr, int len) ;
int wav_gsm610_read_i (SF_PRIVATE *psf, int *ptr, int len) ;
int wav_gsm610_read_d (SF_PRIVATE *psf, double *ptr, int len, int normalize) ;
int wav_gsm610_writer_init (SF_PRIVATE *psf, WAV_FMT *fmt) ;
int wav_gsm610_write_s (SF_PRIVATE *psf, short *ptr, int len) ;
int wav_gsm610_write_i (SF_PRIVATE *psf, int *ptr, int len) ;
int wav_gsm610_write_d (SF_PRIVATE *psf, double *ptr, int len, int normalize) ;
#ifdef _WIN32
#pragma pack(pop,1)
#endif
#endif