Add m-esr52 at 52.6.0

1 files changed, 169 insertions, 0 deletions

diff --git a/media/pocketsphinx/src/ps_mllr.c b/media/pocketsphinx/src/ps_mllr.c
new file mode 100644
index 000000000..b43f6fbdb
--- /dev/null
+++ b/media/pocketsphinx/src/ps_mllr.c
@@ -0,0 +1,169 @@
+/* -*- c-basic-offset: 4; indent-tabs-mode: nil -*- */
+/* ====================================================================
+ * Copyright (c) 2009 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.
+ *
+ * ====================================================================
+ *
+ */
+
+/**
+ * @file ps_mllr.c Model-space linear transforms for speaker adaptation
+ */
+
+/* System headers. */
+#include <stdio.h>
+
+/* SphinxBase headers. */
+#include <sphinxbase/ckd_alloc.h>
+
+/* Local headers. */
+#include "acmod.h"
+
+ps_mllr_t *
+ps_mllr_read(char const *regmatfile)
+{
+    ps_mllr_t *mllr;
+    FILE *fp;
+    int n, i, m, j, k;
+
+    mllr = ckd_calloc(1, sizeof(*mllr));
+    mllr->refcnt = 1;
+
+    if ((fp = fopen(regmatfile, "r")) == NULL) {
+        E_ERROR_SYSTEM("Failed to open MLLR file '%s' for reading", regmatfile);
+        goto error_out;
+    }
+    else
+        E_INFO("Reading MLLR transformation file '%s'\n", regmatfile);
+
+    if ((fscanf(fp, "%d", &n) != 1) || (n < 1)) {
+        E_ERROR("Failed to read number of MLLR classes\n");
+        goto error_out;
+    }
+    mllr->n_class = n;
+
+    if ((fscanf(fp, "%d", &n) != 1)) {
+        E_ERROR("Failed to read number of feature streams\n");
+        goto error_out;
+    }
+    mllr->n_feat = n;
+    mllr->veclen = ckd_calloc(mllr->n_feat, sizeof(*mllr->veclen));
+
+    mllr->A = (float32 ****) ckd_calloc(mllr->n_feat, sizeof(float32 **));
+    mllr->b = (float32 ***) ckd_calloc(mllr->n_feat, sizeof(float32 *));
+    mllr->h = (float32 ***) ckd_calloc(mllr->n_feat, sizeof(float32 *));
+
+    for (i = 0; i < mllr->n_feat; ++i) {
+        if (fscanf(fp, "%d", &n) != 1) {
+            E_ERROR("Failed to read stream length for feature %d\n", i);
+            goto error_out;
+        }
+        mllr->veclen[i] = n;
+        mllr->A[i] =
+            (float32 ***) ckd_calloc_3d(mllr->n_class, mllr->veclen[i],
+                                        mllr->veclen[i], sizeof(float32));
+        mllr->b[i] =
+            (float32 **) ckd_calloc_2d(mllr->n_class, mllr->veclen[i],
+                                       sizeof(float32));
+        mllr->h[i] =
+            (float32 **) ckd_calloc_2d(mllr->n_class, mllr->veclen[i],
+                                       sizeof(float32));
+
+        for (m = 0; m < mllr->n_class; ++m) {
+            for (j = 0; j < mllr->veclen[i]; ++j) {
+                for (k = 0; k < mllr->veclen[i]; ++k) {
+                    if (fscanf(fp, "%f ", &mllr->A[i][m][j][k]) != 1) {
+                        E_ERROR("Failed reading MLLR rotation (%d,%d,%d,%d)\n",
+                                i, m, j, k);
+                        goto error_out;
+                    }
+                }
+            }
+            for (j = 0; j < mllr->veclen[i]; ++j) {
+                if (fscanf(fp, "%f ", &mllr->b[i][m][j]) != 1) {
+                    E_ERROR("Failed reading MLLR bias (%d,%d,%d)\n",
+                            i, m, j);
+                    goto error_out;
+                }
+            }
+            for (j = 0; j < mllr->veclen[i]; ++j) {
+                if (fscanf(fp, "%f ", &mllr->h[i][m][j]) != 1) {
+                    E_ERROR("Failed reading MLLR variance scale (%d,%d,%d)\n",
+                            i, m, j);
+                    goto error_out;
+                }
+            }
+        }
+    }
+    fclose(fp);
+    return mllr;
+
+error_out:
+    if (fp)
+        fclose(fp);
+    ps_mllr_free(mllr);
+    return NULL;
+}
+
+ps_mllr_t *
+ps_mllr_retain(ps_mllr_t *mllr)
+{
+    ++mllr->refcnt;
+    return mllr;
+}
+
+int
+ps_mllr_free(ps_mllr_t *mllr)
+{
+    int i;
+
+    if (mllr == NULL)
+        return 0;
+    if (--mllr->refcnt > 0)
+        return mllr->refcnt;
+
+    for (i = 0; i < mllr->n_feat; ++i) {
+        if (mllr->A)
+            ckd_free_3d(mllr->A[i]);
+        if (mllr->b)
+            ckd_free_2d(mllr->b[i]);
+        if (mllr->h)
+            ckd_free_2d(mllr->h[i]);
+    }
+    ckd_free(mllr->veclen);
+    ckd_free(mllr->A);
+    ckd_free(mllr->b);
+    ckd_free(mllr->h);
+    ckd_free(mllr);
+
+    return 0;
+}