Add m-esr52 at 52.6.0

1 files changed, 179 insertions, 0 deletions

diff --git a/media/pocketsphinx/src/allphone_search.h b/media/pocketsphinx/src/allphone_search.h
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+++ b/media/pocketsphinx/src/allphone_search.h
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+/* -*- c-basic-offset:4; indent-tabs-mode: nil -*- */
+/* ====================================================================
+ * Copyright (c) 2014 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 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.
+ *
+ * ====================================================================
+ *
+ */
+
+/*
+ * allphone_search.h -- Search structures for phoneme decoding.
+ */
+
+
+#ifndef __ALLPHONE_SEARCH_H__
+#define __ALLPHONE_SEARCH_H__
+
+
+/* SphinxBase headers. */
+#include <sphinxbase/glist.h>
+#include <sphinxbase/cmd_ln.h>
+#include <sphinxbase/ngram_model.h>
+#include <sphinxbase/bitvec.h>
+
+/* Local headers. */
+#include "pocketsphinx_internal.h"
+#include "blkarray_list.h"
+#include "hmm.h"
+
+/**
+ * Models a single unique <senone-sequence, tmat> pair.
+ * Can represent several different triphones, but all with the same parent basephone.
+ * (NOTE: Word-position attribute of triphone is ignored.)
+ */
+typedef struct phmm_s {
+    hmm_t hmm;          /**< Base HMM structure */
+    s3pid_t pid;        /**< Phone id (temp. during init.) */
+    s3cipid_t ci;       /**< Parent basephone for this PHMM */
+    bitvec_t *lc;         /**< Set (bit-vector) of left context phones seen for this PHMM */
+    bitvec_t *rc;         /**< Set (bit-vector) of right context phones seen for this PHMM */
+    struct phmm_s *next;        /**< Next unique PHMM for same parent basephone */
+    struct plink_s *succlist;   /**< List of predecessor PHMM nodes */
+} phmm_t;
+
+/**
+ * List of links from a PHMM node to its successors; one link per successor.
+ */
+typedef struct plink_s {
+    phmm_t *phmm;               /**< Successor PHMM node */
+    struct plink_s *next;       /**< Next link for parent PHMM node */
+} plink_t;
+
+/**
+ * History (paths) information at any point in allphone Viterbi search.
+ */
+typedef struct history_s {
+    phmm_t *phmm;       /**< PHMM ending this path */
+    int32 score;        /**< Path score for this path */
+    int32 tscore;       /**< Transition score for this path */
+    frame_idx_t ef;     /**< End frame */
+    int32 hist;         /**< Previous history entry */
+} history_t;
+
+/**
+ * Phone level segmentation information
+ */
+typedef struct phseg_s {
+    s3cipid_t ci;               /* CI-phone id */
+    frame_idx_t sf, ef;         /* Start and end frame for this phone occurrence */
+    int32 score;                /* Acoustic score for this segment of alignment */
+    int32 tscore;               /* Transition ("LM") score for this segment */
+} phseg_t;
+
+/**
+ * Segment iterator over list of phseg
+ */
+typedef struct phseg_iter_s {
+    ps_seg_t base;
+    glist_t seg;
+} phseg_iter_t;
+
+/**
+ * Implementation of allphone search structure.
+ */
+typedef struct allphone_search_s {
+    ps_search_t base;
+
+    hmm_context_t *hmmctx;    /**< HMM context. */
+    ngram_model_t *lm;        /**< Ngram model set */
+    int32 ci_only; 	      /**< Use context-independent phones for decoding */
+    phmm_t **ci_phmm;         /**< PHMM lists (for each CI phone) */
+    int32 *ci2lmwid;          /**< Mapping of CI phones to LM word IDs */
+
+    int32 beam, pbeam;        /**< Effective beams after applying beam_factor */
+    int32 lw, inspen;         /**< Language weights */
+
+    frame_idx_t frame;          /**< Current frame. */
+    float32 ascale;           /**< Acoustic score scale for posterior probabilities. */
+
+    int32 n_tot_frame;         /**< Total number of frames processed */
+    int32 n_hmm_eval;          /**< Total HMMs evaluated this utt */
+    int32 n_sen_eval;          /**< Total senones evaluated this utt */
+
+    /* Backtrace information */
+    blkarray_list_t *history;     /**< List of history nodes allocated in each frame */
+    /* Hypothesis DAG */
+    glist_t segments;
+
+    ptmr_t perf; /**< Performance counter */
+
+} allphone_search_t;
+
+/**
+ * Create, initialize and return a search module.
+ */
+ps_search_t *allphone_search_init(ngram_model_t * lm,
+                                  cmd_ln_t * config,
+                                  acmod_t * acmod,
+                                  dict_t * dict, dict2pid_t * d2p);
+
+/**
+ * Deallocate search structure.
+ */
+void allphone_search_free(ps_search_t * search);
+
+/**
+ * Update allphone search module.
+ */
+int allphone_search_reinit(ps_search_t * search, dict_t * dict,
+                           dict2pid_t * d2p);
+
+/**
+ * Prepare the allphone search structure for beginning decoding of the next
+ * utterance.
+ */
+int allphone_search_start(ps_search_t * search);
+
+/**
+ * Step one frame forward through the Viterbi search.
+ */
+int allphone_search_step(ps_search_t * search, int frame_idx);
+
+/**
+ * Windup and clean the allphone search structure after utterance.
+ */
+int allphone_search_finish(ps_search_t * search);
+
+/**
+ * Get hypothesis string from the allphone search.
+ */
+char const *allphone_search_hyp(ps_search_t * search, int32 * out_score,
+                                int32 * out_is_final);
+
+#endif                          /* __ALLPHONE_SEARCH_H__ */