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305 lines
10 KiB
C
305 lines
10 KiB
C
/* -*- c-basic-offset: 4; indent-tabs-mode: nil -*- */
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/* ====================================================================
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* Copyright (c) 1999-2004 Carnegie Mellon University. All rights
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* reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* This work was supported in part by funding from the Defense Advanced
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* Research Projects Agency and the National Science Foundation of the
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* United States of America, and the CMU Sphinx Speech Consortium.
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*
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* THIS SOFTWARE IS PROVIDED BY CARNEGIE MELLON UNIVERSITY ``AS IS'' AND
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* ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL CARNEGIE MELLON UNIVERSITY
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* NOR ITS EMPLOYEES BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* ====================================================================
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*
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*/
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/*
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* bio.h -- Sphinx-3 binary file I/O functions.
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*
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* **********************************************
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* CMU ARPA Speech Project
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*
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* Copyright (c) 1996 Carnegie Mellon University.
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* ALL RIGHTS RESERVED.
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* **********************************************
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*
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* HISTORY
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* $Log: bio.h,v $
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* Revision 1.8 2005/06/21 20:40:46 arthchan2003
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* 1, Fixed doxygen documentation, 2, Add the $ keyword.
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*
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* Revision 1.5 2005/06/13 04:02:57 archan
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* Fixed most doxygen-style documentation under libs3decoder.
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*
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* Revision 1.4 2005/05/10 21:21:52 archan
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* 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.
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*
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* Revision 1.3 2005/03/30 01:22:46 archan
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* Fixed mistakes in last updates. Add
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*
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*
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* 28-Apr-1999 M K Ravishankar (rkm@cs.cmu.edu) at Carnegie Mellon University
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* Created.
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*/
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#ifndef _S3_BIO_H_
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#define _S3_BIO_H_
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#include <stdio.h>
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#include <stdarg.h>
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/* Win32/WinCE DLL gunk */
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#include <sphinxbase/sphinxbase_export.h>
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#include <sphinxbase/prim_type.h>
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#include <sphinxbase/byteorder.h>
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/** \file bio.h
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* \brief Cross platform binary IO to process files in sphinx3 format.
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*
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*
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*/
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#ifdef __cplusplus
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extern "C" {
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#endif
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#if 0
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/* Fool Emacs. */
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}
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#endif
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#define BYTE_ORDER_MAGIC (0x11223344)
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/** "reversed senses" SWAP, ARCHAN: This is still incorporated in
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Sphinx 3 because lm3g2dmp used it. Don't think that I am very
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happy with it. */
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#if (__BIG_ENDIAN__)
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#define REVERSE_SENSE_SWAP_INT16(x) x = ( (((x)<<8)&0x0000ff00) | (((x)>>8)&0x00ff) )
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#define REVERSE_SENSE_SWAP_INT32(x) x = ( (((x)<<24)&0xff000000) | (((x)<<8)&0x00ff0000) | \
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(((x)>>8)&0x0000ff00) | (((x)>>24)&0x000000ff) )
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#else
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#define REVERSE_SENSE_SWAP_INT16(x)
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#define REVERSE_SENSE_SWAP_INT32(x)
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#endif
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/**
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* Read binary file format header: has the following format
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* <pre>
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* s3
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* <argument-name> <argument-value>
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* <argument-name> <argument-value>
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* ...
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* endhdr
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* 4-byte byte-order word used to find file byte ordering relative to host machine.
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* </pre>
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* Lines beginning with # are ignored.
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* Memory for name and val allocated by this function; use bio_hdrarg_free to free them.
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* @return 0 if successful, -1 otherwise.
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*/
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SPHINXBASE_EXPORT
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int32 bio_readhdr (FILE *fp, /**< In: File to read */
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char ***name, /**< Out: array of argument name strings read */
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char ***val, /**< Out: corresponding value strings read */
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int32 *swap /**< Out: file needs byteswapping iff (*swap) */
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);
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/**
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* Write a simple binary file header, containing only the version string. Also write
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* the byte order magic word.
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* @return 0 if successful, -1 otherwise.
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*/
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SPHINXBASE_EXPORT
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int32 bio_writehdr_version (FILE *fp, /**< Output: File to write */
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char *version /**< Input: A string of version */
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);
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/**
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* Write a simple binary file header with only byte order magic word.
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* @return 0 if successful, -1 otherwise.
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*/
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SPHINXBASE_EXPORT
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int32 bio_writehdr(FILE *fp, ...);
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/**
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* Free name and value strings previously allocated and returned by bio_readhdr.
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*/
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SPHINXBASE_EXPORT
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void bio_hdrarg_free (char **name, /**< In: Array previously returned by bio_readhdr */
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char **val /**< In: Array previously returned by bio_readhdr */
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);
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/**
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* Like fread but perform byteswapping and accumulate checksum (the 2 extra arguments).
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*
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* @return unlike fread, returns -1 if required number of elements (n_el) not read; also,
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* no byteswapping or checksum accumulation is performed in that case.
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*/
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SPHINXBASE_EXPORT
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int32 bio_fread (void *buf, /**< In: buffer to write */
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int32 el_sz, /**< In: element size */
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int32 n_el, /**< In: number of elements */
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FILE *fp, /**< In: An input file pointer */
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int32 swap, /**< In: Byteswap iff (swap != 0) */
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uint32 *chksum /**< In/Out: Accumulated checksum */
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);
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/**
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* Like fwrite but perform byteswapping and accumulate checksum (the 2 extra arguments).
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*
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* @return the number of elemens written (like fwrite).
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*/
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SPHINXBASE_EXPORT
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int32 bio_fwrite(const void *buf, /**< In: buffer to write */
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int32 el_sz, /**< In: element size */
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int32 n_el, /**< In: number of elements */
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FILE *fp, /**< In: An input file pointer */
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int32 swap, /**< In: Byteswap iff (swap != 0) */
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uint32 *chksum /**< In/Out: Accumulated checksum */
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);
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/**
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* Read a 1-d array (fashioned after fread):
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*
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* - 4-byte array size (returned in n_el)
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* - memory allocated for the array and read (returned in buf)
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*
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* Byteswapping and checksum accumulation performed as necessary.
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* Fails fatally if expected data not read.
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* @return number of array elements allocated and read; -1 if error.
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*/
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SPHINXBASE_EXPORT
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int32 bio_fread_1d (void **buf, /**< Out: contains array data; allocated by this
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function; can be freed using ckd_free */
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size_t el_sz, /**< In: Array element size */
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uint32 *n_el, /**< Out: Number of array elements allocated/read */
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FILE *fp, /**< In: File to read */
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int32 sw, /**< In: Byteswap iff (swap != 0) */
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uint32 *ck /**< In/Out: Accumulated checksum */
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);
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/**
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* Read a 2-d matrix:
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*
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* - 4-byte # rows, # columns (returned in d1, d2, d3)
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* - memory allocated for the array and read (returned in buf)
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*
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* Byteswapping and checksum accumulation performed as necessary.
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* Fails fatally if expected data not read.
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* @return number of array elements allocated and read; -1 if error.
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*/
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SPHINXBASE_EXPORT
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int32 bio_fread_2d(void ***arr,
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size_t e_sz,
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uint32 *d1,
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uint32 *d2,
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FILE *fp,
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uint32 swap,
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uint32 *chksum);
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/**
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* Read a 3-d array (set of matrices)
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*
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* - 4-byte # matrices, # rows, # columns (returned in d1, d2, d3)
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* - memory allocated for the array and read (returned in buf)
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*
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* Byteswapping and checksum accumulation performed as necessary.
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* Fails fatally if expected data not read.
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* @return number of array elements allocated and read; -1 if error.
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*/
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SPHINXBASE_EXPORT
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int32 bio_fread_3d(void ****arr,
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size_t e_sz,
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uint32 *d1,
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uint32 *d2,
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uint32 *d3,
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FILE *fp,
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uint32 swap,
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uint32 *chksum);
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/**
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* Read and verify checksum at the end of binary file. Fails fatally if there is
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* a mismatch.
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*/
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SPHINXBASE_EXPORT
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void bio_verify_chksum (FILE *fp, /**< In: File to read */
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int32 byteswap, /**< In: Byteswap iff (swap != 0) */
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uint32 chksum /**< In: Value to compare with checksum in file */
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);
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/**
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* Write a 1-d array.
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* Checksum accumulation performed as necessary.
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*
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* @return number of array elements successfully written or -1 if error.
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*/
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SPHINXBASE_EXPORT
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int bio_fwrite_1d(void *arr, /**< In: Data to write */
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size_t e_sz, /**< In: Size of the elements in bytes */
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uint32 d1, /**< In: First dimension */
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FILE *fp, /**< In: File to write to */
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uint32 *chksum /**< In/Out: Checksum accumulator */
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);
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/**
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* Write a 3-d array (set of matrices).
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* Checksum accumulation performed as necessary.
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*
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* @return number of array elements successfully written or -1 if error.
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*/
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SPHINXBASE_EXPORT
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int bio_fwrite_3d(void ***arr, /**< In: Data to write */
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size_t e_sz, /**< In: Size of the elements in bytes */
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uint32 d1, /**< In: First dimension */
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uint32 d2, /**< In: Second dimension */
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uint32 d3, /**< In: Third dimension */
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FILE *fp, /**< In: File to write to */
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uint32 *chksum /**< In/Out: Checksum accumulator */
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);
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/**
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* Read raw data from the wav file.
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*
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* @return pointer to the data.
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*/
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SPHINXBASE_EXPORT
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int16* bio_read_wavfile(char const *directory, /**< In: the folder where the file is located */
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char const *filename, /**< In: the name of the file */
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char const *extension, /**< In: file extension */
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int32 header, /**< In: the size of the header to skip usually 44 bytes */
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int32 endian, /**< In: endian of the data */
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size_t *nsamps /**< Out: number of samples read */
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);
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#ifdef __cplusplus
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}
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#endif
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#endif
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