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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
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+/* -*- c-basic-offset: 4; indent-tabs-mode: nil -*- */
+/* ====================================================================
+ * 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.
+ *
+ * ====================================================================
+ *
+ */
+/*
+ * ms_mgau.h -- Essentially a wrapper that wrap up gauden and
+ * senone. It supports multi-stream.
+ *
+ *
+ * **********************************************
+ * CMU ARPA Speech Project
+ *
+ * Copyright (c) 1997 Carnegie Mellon University.
+ * ALL RIGHTS RESERVED.
+ * **********************************************
+ * HISTORY
+ * $Log$
+ * Revision 1.1 2006/04/05 20:27:30 dhdfu
+ * A Great Reorganzation of header files and executables
+ *
+ * Revision 1.3 2006/02/22 16:57:15 arthchan2003
+ * Fixed minor dox-doc issue
+ *
+ * Revision 1.2 2006/02/22 16:56:01 arthchan2003
+ * Merged from SPHINX3_5_2_RCI_IRII_BRANCH: Added ms_mgau.[ch] into the trunk. It is a wrapper of ms_gauden and ms_senone
+ *
+ * Revision 1.1.2.4 2005/09/25 18:55:19 arthchan2003
+ * Added a flag to turn on and off precomputation.
+ *
+ * Revision 1.1.2.3 2005/08/03 18:53:44 dhdfu
+ * Add memory deallocation functions. Also move all the initialization
+ * of ms_mgau_model_t into ms_mgau_init (duh!), which entails removing it
+ * from decode_anytopo and friends.
+ *
+ * Revision 1.1.2.2 2005/08/02 21:05:38 arthchan2003
+ * 1, Added dist and mgau_active as intermediate variable for computation. 2, Added ms_cont_mgau_frame_eval, which is a multi stream version of GMM computation mainly s3.0 family of tools. 3, Fixed dox-doc.
+ *
+ * Revision 1.1.2.1 2005/07/20 19:37:09 arthchan2003
+ * Added a multi-stream cont_mgau (ms_mgau) which is a wrapper of both gauden and senone. Add ms_mgau_init and model_set_mllr. This allow eliminating 600 lines of code in decode_anytopo/align/allphone.
+ *
+ *
+ *
+ */
+
+/** \file ms_mgau.h
+ *
+ * \brief (Sphinx 3.0 specific) A module that wraps up the code of
+ * gauden and senone because they are closely related.
+ *
+ * At the time at Sphinx 3.1 to 3.2, Ravi has decided to rewrite only
+ * single-stream part of the code into cont_mgau.[ch]. This marks the
+ * beginning of historical problem of having two sets of Gaussian
+ * distribution computation routine, one for single-stream and one of
+ * multi-stream.
+ *
+ * In Sphinx 3.5, when we figure out that it is possible to allow both
+ * 3.0 family of tools and 3.x family of tools to coexist. This
+ * becomes one problem we found that very hard to reconcile. That is
+ * why we currently allow two versions of the code in the code
+ * base. This is likely to change in the future.
+ */
+
+
+#ifndef _LIBFBS_MS_CONT_MGAU_H_
+#define _LIBFBS_MS_CONT_MGAU_H_
+
+/* SphinxBase headers. */
+#include <sphinxbase/cmd_ln.h>
+#include <sphinxbase/logmath.h>
+#include <sphinxbase/feat.h>
+
+/* Local headers. */
+#include "acmod.h"
+#include "bin_mdef.h"
+#include "ms_gauden.h"
+#include "ms_senone.h"
+
+/** \struct ms_mgau_t
+ \brief Multi-stream mixture gaussian. It is not necessary to be continr
+*/
+
+typedef struct {
+ ps_mgau_t base;
+ gauden_t* g; /**< The codebook */
+ senone_t* s; /**< The senone */
+ int topn; /**< Top-n gaussian will be computed */
+
+ /**< Intermediate used in computation */
+ gauden_dist_t ***dist;
+ uint8 *mgau_active;
+ cmd_ln_t *config;
+} ms_mgau_model_t;
+
+#define ms_mgau_gauden(msg) (msg->g)
+#define ms_mgau_senone(msg) (msg->s)
+#define ms_mgau_topn(msg) (msg->topn)
+
+ps_mgau_t* ms_mgau_init(acmod_t *acmod, logmath_t *lmath, bin_mdef_t *mdef);
+void ms_mgau_free(ps_mgau_t *g);
+int32 ms_cont_mgau_frame_eval(ps_mgau_t * msg,
+ int16 *senscr,
+ uint8 *senone_active,
+ int32 n_senone_active,
+ mfcc_t ** feat,
+ int32 frame,
+ int32 compallsen);
+int32 ms_mgau_mllr_transform(ps_mgau_t *s,
+ ps_mllr_t *mllr);
+
+#endif /* _LIBFBS_MS_CONT_MGAU_H_*/
+