1 /*---------------------------------------------------------------------------* 2 * utt_basi.c * 3 * * 4 * Copyright 2007, 2008 Nuance Communciations, Inc. * 5 * * 6 * Licensed under the Apache License, Version 2.0 (the 'License'); * 7 * you may not use this file except in compliance with the License. * 8 * * 9 * You may obtain a copy of the License at * 10 * http://www.apache.org/licenses/LICENSE-2.0 * 11 * * 12 * Unless required by applicable law or agreed to in writing, software * 13 * distributed under the License is distributed on an 'AS IS' BASIS, * 14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * 15 * See the License for the specific language governing permissions and * 16 * limitations under the License. * 17 * * 18 *---------------------------------------------------------------------------*/ 19 20 #include <stdlib.h> 21 #include <string.h> 22 #ifndef _RTT 23 #include <stdio.h> 24 #endif 25 26 #ifdef unix 27 #include <unistd.h> 28 #endif 29 #include <assert.h> 30 31 32 #include "simapi.h" 33 #include "portable.h" 34 35 #include "../clib/fpi_tgt.inl" 36 37 static const char utt_basi[] = "$Id: utt_basi.c,v 1.6.6.8 2007/10/15 18:06:24 dahan Exp $"; 38 39 40 CA_Utterance *CA_AllocateUtterance(void) 41 { 42 CA_Utterance *hUtt = NULL; 43 TRY_CA_EXCEPT 44 45 hUtt = (CA_Utterance *) CALLOC_CLR(1, sizeof(CA_Utterance), "ca.hUtt"); 46 hUtt->ca_rtti = CA_UTTERANCE_SIGNATURE; 47 return (hUtt); 48 49 BEG_CATCH_CA_EXCEPT 50 END_CATCH_CA_EXCEPT(hUtt) 51 } 52 53 54 void CA_FreeUtterance(CA_Utterance *hUtt) 55 { 56 TRY_CA_EXCEPT 57 ASSERT(hUtt); 58 59 FREE((char *) hUtt); 60 return; 61 62 BEG_CATCH_CA_EXCEPT 63 END_CATCH_CA_EXCEPT(hUtt) 64 } 65 66 67 int CA_InitUtteranceForFrontend(CA_Utterance *hUtt, 68 CA_FrontendInputParams *hFrontPar) 69 { 70 TRY_CA_EXCEPT 71 ASSERT(hUtt); 72 ASSERT(hFrontPar > 0); 73 if (hUtt->data.utt_type != 0) 74 SERVICE_ERROR(UTTERANCE_ALREADY_INITIALISED); 75 76 init_utterance(&hUtt->data, LIVE_INPUT, 3*hFrontPar->mel_dim, /* TODO: change to proper function */ 77 DEFAULT_BUFFER_SIZE, KEEP_FRAMES, 78 hFrontPar->mel_dim, 1); 79 if (hFrontPar->do_skip_even_frames) 80 set_voicing_durations(&hUtt->data, hFrontPar->voice_duration / 2, 81 hFrontPar->quiet_duration / 2, 82 hFrontPar->unsure_duration / 2, 83 hFrontPar->start_windback / 2); 84 else 85 set_voicing_durations(&hUtt->data, hFrontPar->voice_duration, 86 hFrontPar->quiet_duration, 87 hFrontPar->unsure_duration, 88 hFrontPar->start_windback); 89 return (0); 90 91 BEG_CATCH_CA_EXCEPT 92 END_CATCH_CA_EXCEPT(hUtt) 93 94 } 95 96 97 void CA_ClearUtterance(CA_Utterance *hUtt) 98 { 99 100 TRY_CA_EXCEPT 101 ASSERT(hUtt); 102 if (hUtt->data.utt_type == 0) 103 { 104 SERVICE_ERROR(UTTERANCE_NOT_INITIALISED); 105 } 106 107 if (hUtt->data.utt_type == LIVE_INPUT) 108 { 109 free_utterance(&hUtt->data); 110 hUtt->data.utt_type = 0; 111 } 112 else 113 { 114 SERVICE_ERROR(UTTERANCE_UNKNOWN); 115 } 116 return; 117 118 BEG_CATCH_CA_EXCEPT 119 END_CATCH_CA_EXCEPT(hUtt) 120 } 121 122 123 int CA_AdvanceUtteranceFrame(CA_Utterance *hUtt) 124 { 125 TRY_CA_EXCEPT 126 int status_code; 127 128 ASSERT(hUtt); 129 if (hUtt->data.utt_type != LIVE_INPUT) 130 SERVICE_ERROR(UTTERANCE_NOT_INITIALISED); 131 132 status_code = advance_utterance_frame(&hUtt->data); 133 return (status_code); 134 135 BEG_CATCH_CA_EXCEPT 136 END_CATCH_CA_EXCEPT(hUtt) 137 } 138 139 int CA_UtteranceHasVoicing(CA_Utterance *hUtt) 140 { 141 TRY_CA_EXCEPT 142 ASSERT(hUtt); 143 if (hUtt->data.utt_type != LIVE_INPUT) 144 SERVICE_ERROR(UTTERANCE_NOT_INITIALISED); 145 146 return (hUtt->data.gen_utt.frame->voicingDetected); 147 148 BEG_CATCH_CA_EXCEPT 149 END_CATCH_CA_EXCEPT(hUtt) 150 } 151 152 153 void CA_UnlockUtteranceForInput(CA_Utterance *hUtt) 154 { 155 TRY_CA_EXCEPT 156 ASSERT(hUtt); 157 if (hUtt->data.utt_type != LIVE_INPUT) 158 SERVICE_ERROR(UTTERANCE_NOT_INITIALISED); 159 ASSERT(!isFrameBufferActive(hUtt->data.gen_utt.frame)); 160 startFrameCollection(hUtt->data.gen_utt.frame); 161 return; 162 163 BEG_CATCH_CA_EXCEPT 164 END_CATCH_CA_EXCEPT(hUtt) 165 } 166 167 168 void CA_LockUtteranceFromInput(CA_Utterance *hUtt) 169 { 170 TRY_CA_EXCEPT 171 ASSERT(hUtt); 172 if (hUtt->data.utt_type != LIVE_INPUT) 173 SERVICE_ERROR(UTTERANCE_NOT_INITIALISED); 174 ASSERT(isFrameBufferActive(hUtt->data.gen_utt.frame)); 175 176 177 stopFrameCollection(hUtt->data.gen_utt.frame); 178 return; 179 180 BEG_CATCH_CA_EXCEPT 181 END_CATCH_CA_EXCEPT(hUtt) 182 } 183 184 185 void CA_ResetVoicing(CA_Utterance *hUtt) 186 { 187 TRY_CA_EXCEPT 188 ASSERT(hUtt); 189 if (hUtt->data.utt_type != LIVE_INPUT) 190 SERVICE_ERROR(UTTERANCE_NOT_INITIALISED); 191 192 clearEndOfUtterance(hUtt->data.gen_utt.frame); 193 clearC0Entries(hUtt->data.gen_utt.frame); 194 startFrameCollection(hUtt->data.gen_utt.frame); 195 return; 196 197 BEG_CATCH_CA_EXCEPT 198 END_CATCH_CA_EXCEPT(hUtt) 199 } 200 201 202 void CA_FlushUtteranceFrames(CA_Utterance *hUtt) 203 { 204 TRY_CA_EXCEPT 205 ASSERT(hUtt); 206 if (hUtt->data.utt_type != LIVE_INPUT) 207 SERVICE_ERROR(UTTERANCE_NOT_INITIALISED); 208 209 setRECframePtr(hUtt->data.gen_utt.frame, 0, 0); 210 releaseBlockedFramesInBuffer(hUtt->data.gen_utt.frame); 211 hUtt->data.gen_utt.last_push = NULL; 212 return; 213 214 BEG_CATCH_CA_EXCEPT 215 END_CATCH_CA_EXCEPT(hUtt) 216 } 217 218 219 void CA_SetEndOfUtteranceByLevelTimeout(CA_Utterance *hUtt, long timeout, long holdOff) 220 { 221 TRY_CA_EXCEPT 222 ASSERT(hUtt); 223 if (hUtt->data.utt_type != LIVE_INPUT) 224 SERVICE_ERROR(UTTERANCE_NOT_INITIALISED); 225 226 setupEndOfUtterance(hUtt->data.gen_utt.frame, timeout, holdOff); 227 return; 228 229 BEG_CATCH_CA_EXCEPT 230 END_CATCH_CA_EXCEPT(hUtt) 231 } 232 233 234 int CA_UtteranceHasEnded(CA_Utterance *hUtt) 235 { 236 TRY_CA_EXCEPT 237 ASSERT(hUtt); 238 if (hUtt->data.utt_type != LIVE_INPUT) 239 SERVICE_ERROR(UTTERANCE_NOT_INITIALISED); 240 241 return (utterance_ended(&hUtt->data)); 242 243 BEG_CATCH_CA_EXCEPT 244 END_CATCH_CA_EXCEPT(hUtt) 245 } 246
