192 lines
6.6 KiB
C
192 lines
6.6 KiB
C
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/*************************************************************************/
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/* */
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/* Cepstral, LLC */
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/* Copyright (c) 2001 */
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/* All Rights Reserved. */
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/* */
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/* Permission is hereby granted, free of charge, to use and distribute */
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/* this software and its documentation without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of this work, and to */
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/* permit persons to whom this work is furnished to do so, subject to */
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/* the following conditions: */
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/* 1. The code must retain the above copyright notice, this list of */
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/* conditions and the following disclaimer. */
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/* 2. Any modifications must be clearly marked as such. */
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/* 3. Original authors' names are not deleted. */
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/* 4. The authors' names are not used to endorse or promote products */
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/* derived from this software without specific prior written */
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/* permission. */
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/* */
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/* CEPSTRAL, LLC AND THE CONTRIBUTORS TO THIS WORK DISCLAIM ALL */
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/* WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED */
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/* WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL */
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/* CEPSTRAL, LLC NOR THE CONTRIBUTORS BE LIABLE FOR ANY SPECIAL, */
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/* INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER */
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/* RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION */
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/* OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR */
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/* IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */
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/* */
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/*************************************************************************/
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/* Author: David Huggins-Daines (dhd@cepstral.com) */
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/* Date: December 2001 */
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/*************************************************************************/
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/* */
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/* flite_sapi_usenglish.c: US English specific functions for Flite/SAPI */
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/* */
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/*************************************************************************/
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#include "flite_sapi_usenglish.h"
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#include "cst_string.h"
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static const char *sapi_usenglish_phones[] = {
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NULL, NULL, NULL, NULL, NULL, NULL, NULL, "pau", "1",
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"2", "aa", "ae", "ah", "ao", "aw", "ax", "ay", "b",
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"ch", "d", "dh", "eh", "er", "ey", "f", "g", "hh", "ih",
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"iy", "jh", "k", "l", "m", "n", "ng", "ow", "oy", "p",
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"r", "s", "sh", "t", "th", "uh", "uw", "v", "w", "y",
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"z", "zh"
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};
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static const int sapi_usenglish_nphones = (sizeof(sapi_usenglish_phones)
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/ sizeof(sapi_usenglish_phones[0]));
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static const char *vis0[] = {"pau", NULL};
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static const char *vis1[] = {"ae", "ax", "ah", NULL};
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static const char *vis2[] = {"aa", NULL};
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static const char *vis3[] = {"ao", NULL};
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static const char *vis4[] = {"ey", "eh", "uh", NULL};
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static const char *vis5[] = {"er", NULL};
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static const char *vis6[] = {"y", "iy", "ih", NULL};
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static const char *vis7[] = {"w", "uw", NULL};
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static const char *vis8[] = {"ow", NULL};
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static const char *vis9[] = {"aw", NULL};
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static const char *vis10[] = {"oy", NULL};
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static const char *vis11[] = {"ay", NULL};
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static const char *vis12[] = {"hh", NULL};
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static const char *vis13[] = {"r", NULL};
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static const char *vis14[] = {"l", NULL};
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static const char *vis15[] = {"s", "z", NULL};
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static const char *vis16[] = {"sh", "ch", "jh", "zh", NULL};
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static const char *vis17[] = {"th", "dh", NULL};
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static const char *vis18[] = {"f", "v", NULL};
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static const char *vis19[] = {"d", "t", "n", NULL};
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static const char *vis20[] = {"k", "g", "ng", NULL};
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static const char *vis21[] = {"p", "b", "m", NULL};
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static const struct {
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int vis;
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const char *const *phones;
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} sapi_usenglish_visemes[] = {
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{ SP_VISEME_0, vis0 },
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{ SP_VISEME_1, vis1 },
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{ SP_VISEME_2, vis2 },
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{ SP_VISEME_3, vis3 },
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{ SP_VISEME_4, vis4 },
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{ SP_VISEME_5, vis5 },
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{ SP_VISEME_6, vis6 },
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{ SP_VISEME_7, vis7 },
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{ SP_VISEME_8, vis8 },
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{ SP_VISEME_9, vis9 },
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{ SP_VISEME_10, vis10 },
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{ SP_VISEME_11, vis11 },
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{ SP_VISEME_12, vis12 },
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{ SP_VISEME_13, vis13 },
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{ SP_VISEME_14, vis14 },
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{ SP_VISEME_15, vis15 },
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{ SP_VISEME_16, vis16 },
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{ SP_VISEME_17, vis17 },
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{ SP_VISEME_18, vis18 },
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{ SP_VISEME_19, vis19 },
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{ SP_VISEME_20, vis20 },
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{ SP_VISEME_21, vis21 },
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{ -1, NULL }
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};
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int
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flite_sapi_usenglish_phoneme(cst_item *s)
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{
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const char *name;
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int i;
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if (s == NULL)
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return 0;
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name = item_name(s);
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for (i = 0; i < sapi_usenglish_nphones; ++i)
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if (sapi_usenglish_phones[i]
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&& cst_streq(sapi_usenglish_phones[i], name))
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break;
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if (i == sapi_usenglish_nphones)
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return 0;
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return i;
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}
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int
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flite_sapi_usenglish_viseme(cst_item *s)
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{
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const char *name;
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int i;
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/* FIXME: Is 0 a valid viseme or not? */
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if (s == NULL)
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return -1;
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name = item_name(s);
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for (i = 0; sapi_usenglish_visemes[i].phones; ++i)
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if (cst_member_string(name, sapi_usenglish_visemes[i].phones))
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break;
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return sapi_usenglish_visemes[i].vis;
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}
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int
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flite_sapi_usenglish_feature(cst_item *s)
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{
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int feat = 0;
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if (s == NULL)
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return 0;
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if (ffeature_int(s, "R:SylStructure.parent.stress"))
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feat |= SPVFEATURE_STRESSED;
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if (ffeature_int(s, "R:SylStructure.parent.accented"))
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feat |= SPVFEATURE_EMPHASIS;
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return feat;
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}
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cst_val *
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flite_sapi_usenglish_pronounce(SPPHONEID *pids)
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{
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SPPHONEID *p;
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cst_val *phones = NULL;
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for (p = pids; *p; ++p) {
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const char *pname;
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if (*p >= sapi_usenglish_nphones)
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continue;
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pname = sapi_usenglish_phones[*p];
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if (pname == NULL)
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continue;
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if (isdigit(pname[0])) {
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/* stress numbers */
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if (phones) {
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char *psname;
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cst_val *car, *cdr;
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car = (cst_val *) val_car(phones);
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cdr = (cst_val *) val_cdr(phones);
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psname = cst_alloc(char,
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strlen(val_string(car))
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+ strlen(pname) + 1);
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sprintf(psname, "%s%s", val_string(car), pname);
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phones = cons_val(string_val(psname), cdr);
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cst_free(psname);
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delete_val(car);
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}
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} else
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phones = cons_val(string_val(pname), phones);
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}
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return val_reverse(phones);
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}
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