/usr/include/sphinxbase/bio.h is in libsphinxbase-dev 0.8-0ubuntu10.
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/* ====================================================================
* Copyright (c) 1999-2004 Carnegie Mellon University. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* This work was supported in part by funding from the Defense Advanced
* Research Projects Agency and the National Science Foundation of the
* United States of America, and the CMU Sphinx Speech Consortium.
*
* THIS SOFTWARE IS PROVIDED BY CARNEGIE MELLON UNIVERSITY ``AS IS'' AND
* ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL CARNEGIE MELLON UNIVERSITY
* NOR ITS EMPLOYEES BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* ====================================================================
*
*/
/*
* bio.h -- Sphinx-3 binary file I/O functions.
*
* **********************************************
* CMU ARPA Speech Project
*
* Copyright (c) 1996 Carnegie Mellon University.
* ALL RIGHTS RESERVED.
* **********************************************
*
* HISTORY
* $Log: bio.h,v $
* Revision 1.8 2005/06/21 20:40:46 arthchan2003
* 1, Fixed doxygen documentation, 2, Add the $ keyword.
*
* Revision 1.5 2005/06/13 04:02:57 archan
* Fixed most doxygen-style documentation under libs3decoder.
*
* Revision 1.4 2005/05/10 21:21:52 archan
* Three functionalities added but not tested. Code on 1) addition/deletion of LM in mode 4. 2) reading text-based LM 3) Converting txt-based LM to dmp-based LM.
*
* Revision 1.3 2005/03/30 01:22:46 archan
* Fixed mistakes in last updates. Add
*
*
* 28-Apr-1999 M K Ravishankar (rkm@cs.cmu.edu) at Carnegie Mellon University
* Created.
*/
#ifndef _S3_BIO_H_
#define _S3_BIO_H_
#include <stdio.h>
#include <stdarg.h>
/* Win32/WinCE DLL gunk */
#include <sphinxbase/sphinxbase_export.h>
#include <sphinxbase/prim_type.h>
#include <sphinxbase/byteorder.h>
/** \file bio.h
* \brief Cross platform binary IO to process files in sphinx3 format.
*
*
*/
#ifdef __cplusplus
extern "C" {
#endif
#if 0
/* Fool Emacs. */
}
#endif
#define BYTE_ORDER_MAGIC (0x11223344)
/** "reversed senses" SWAP, ARCHAN: This is still incorporated in
Sphinx 3 because lm3g2dmp used it. Don't think that I am very
happy with it. */
#if (__BIG_ENDIAN__)
#define REVERSE_SENSE_SWAP_INT16(x) x = ( (((x)<<8)&0x0000ff00) | (((x)>>8)&0x00ff) )
#define REVERSE_SENSE_SWAP_INT32(x) x = ( (((x)<<24)&0xff000000) | (((x)<<8)&0x00ff0000) | \
(((x)>>8)&0x0000ff00) | (((x)>>24)&0x000000ff) )
#else
#define REVERSE_SENSE_SWAP_INT16(x)
#define REVERSE_SENSE_SWAP_INT32(x)
#endif
/**
* Read binary file format header: has the following format
* <pre>
* s3
* <argument-name> <argument-value>
* <argument-name> <argument-value>
* ...
* endhdr
* 4-byte byte-order word used to find file byte ordering relative to host machine.
* </pre>
* Lines beginning with # are ignored.
* Memory for name and val allocated by this function; use bio_hdrarg_free to free them.
* @return: 0 if successful, -1 otherwise.
*/
SPHINXBASE_EXPORT
int32 bio_readhdr (FILE *fp, /**< In: File to read */
char ***name, /**< Out: array of argument name strings read */
char ***val, /**< Out: corresponding value strings read */
int32 *swap /**< Out: file needs byteswapping iff (*swap) */
);
/**
* Write a simple binary file header, containing only the version string. Also write
* the byte order magic word.
* @return: 0 if successful, -1 otherwise.
*/
SPHINXBASE_EXPORT
int32 bio_writehdr_version (FILE *fp, /**< Output: File to write */
char *version /**< Input: A string of version */
);
SPHINXBASE_EXPORT
int32 bio_writehdr(FILE *fp, ...);
/**
* Free name and value strings previously allocated and returned by bio_readhdr.
*/
SPHINXBASE_EXPORT
void bio_hdrarg_free (char **name, /**< In: Array previously returned by bio_readhdr */
char **val /**< In: Array previously returned by bio_readhdr */
);
/**
* Like fread but perform byteswapping and accumulate checksum (the 2 extra arguments).
* But unlike fread, returns -1 if required number of elements (n_el) not read; also,
* no byteswapping or checksum accumulation is performed in that case.
*/
SPHINXBASE_EXPORT
int32 bio_fread (void *buf,
int32 el_sz,
int32 n_el,
FILE *fp, /**< In: An input file pointer */
int32 swap, /**< In: Byteswap iff (swap != 0) */
uint32 *chksum /**< In/Out: Accumulated checksum */
);
/**
* Like fwrite but perform byteswapping and accumulate checksum (the 2 extra arguments).
* @return the number of elemens written (like fwrite).
*/
SPHINXBASE_EXPORT
int32 bio_fwrite(void *buf,
int32 el_sz,
int32 n_el,
FILE *fp, /**< In: An input file pointer */
int32 swap, /**< In: Byteswap iff (swap != 0) */
uint32 *chksum /**< In/Out: Accumulated checksum */
);
/**
* Read a 1-d array (fashioned after fread):
*
* - 4-byte array size (returned in n_el)
* - memory allocated for the array and read (returned in buf)
*
* Byteswapping and checksum accumulation performed as necessary.
* Fails fatally if expected data not read.
* Return value: number of array elements allocated and read; -1 if error.
*/
SPHINXBASE_EXPORT
int32 bio_fread_1d (void **buf, /**< Out: contains array data; allocated by this
function; can be freed using ckd_free */
size_t el_sz, /**< In: Array element size */
uint32 *n_el, /**< Out: Number of array elements allocated/read */
FILE *fp, /**< In: File to read */
int32 sw, /**< In: Byteswap iff (swap != 0) */
uint32 *ck /**< In/Out: Accumulated checksum */
);
/**
* Read a 2-d matrix:
*
* - 4-byte # rows, # columns (returned in d1, d2, d3)
* - memory allocated for the array and read (returned in buf)
*
* Byteswapping and checksum accumulation performed as necessary.
* Fails fatally if expected data not read.
* Return value: number of array elements allocated and read; -1 if error.
*/
SPHINXBASE_EXPORT
int32 bio_fread_2d(void ***arr,
size_t e_sz,
uint32 *d1,
uint32 *d2,
FILE *fp,
uint32 swap,
uint32 *chksum);
/**
* Read a 3-d array (set of matrices)
*
* - 4-byte # matrices, # rows, # columns (returned in d1, d2, d3)
* - memory allocated for the array and read (returned in buf)
*
* Byteswapping and checksum accumulation performed as necessary.
* Fails fatally if expected data not read.
* Return value: number of array elements allocated and read; -1 if error.
*/
SPHINXBASE_EXPORT
int32 bio_fread_3d(void ****arr,
size_t e_sz,
uint32 *d1,
uint32 *d2,
uint32 *d3,
FILE *fp,
uint32 swap,
uint32 *chksum);
/**
* Read and verify checksum at the end of binary file. Fails fatally if there is
* a mismatch.
*/
SPHINXBASE_EXPORT
void bio_verify_chksum (FILE *fp, /**< In: File to read */
int32 byteswap, /**< In: Byteswap iff (swap != 0) */
uint32 chksum /**< In: Value to compare with checksum in file */
);
/**
* Read raw data from the wav file.
*
* @param directory the folder where the file is located
* @param filename the name of the file
* @param extension file extension
* @param header the size of the header to skip usually 44 bytes.
* @param endian Endian of the data
* @param nsamps number of samples read
* @return pointer to the data
*/
SPHINXBASE_EXPORT
int16* bio_read_wavfile(char const *directory,
char const *filename,
char const *extension,
int32 header,
int32 endian,
int32 *nsamps);
#ifdef __cplusplus
}
#endif
#endif
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