live_dump.h

CMU大名鼎鼎的SPHINX－3大词汇量连续语音识别系统

/* ====================================================================
 * 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.
 *
 * ====================================================================
 *
 */

#ifndef _LIVE_DUMP_H_
#define _LIVE_DUMP_H_

/* 01.18.01 - RAH, allow for C++ compiles */
#ifdef __cplusplus
extern "C" {
#endif

#include <s3types.h>
#include <feat.h>

#define SWAPW(x)        *(x) = ((0xff & (*(x))>>8) | (0xff00 & (*(x))<<8))
#define SWAPL(x)        *(x) = ((0xff & (*(x))>>24) | (0xff00 & (*(x))>>8) |\
                        (0xff0000 & (*(x))<<8) | (0xff000000 & (*(x))<<24))
#define SWAPF(x)        SWAPL((int *) x)

int32 needswap;

typedef struct {
    int32 ascr;
    int32 lscr;
    char  *word;
    int32 sf;
    int32 ef;
} partialhyp_t;

void live_initialize_decoder (char *argsfile);

int32 live_get_partialhyp(int32 endutt);

/* Routine to decode a block of incoming samples. A partial hypothesis
 * for the utterance upto the current block of samples is returned.
 * The calling routine has to inform the routine if the block of samples
 * being passed is the final block of samples for an utterance by
 * setting live_endutt to 1. On receipt of a live_endutt flag the routine
 * automatically assumes that the next block of samples is the beginning
 * of a new utterance
 */

int32 live_utt_decode_block (int16 *samples,    /* Incoming samples */
			     int32 nsamples,    /* No. of incoming samples */
                      	     int32 live_endutt, /* End of utterance flag */
			     partialhyp_t **ohyp);

int32 live_fe_process_block (int16 *samples, int32 nsamples, 
			     int32 live_endutt, partialhyp_t **ohyp);

int32 live_free_memory ();

void live_print_profiles(FILE *file);
  
#ifdef __cplusplus
}
#endif

#endif