src/w-input-stt-engine.cpp

   1 /*
   2  * Copyright (c) 2016 Samsung Electronics Co., Ltd All Rights Reserved
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the License);
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  * http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an AS IS BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16
  17 #include <Elementary.h>
  18 #include <gmodule.h>
  19 #include <stdlib.h>
  20 #include <string.h>
  21 #include <vconf.h>
  22 #include <feedback.h>
  23 #include <wav_player.h>
  24 #include <vconf-internal-keys.h>
  25 #include <app.h>
  26
  27 #include "w-input-selector.h"
  28 #include "w-input-stt-voice.h"
  29 #include "w-input-stt-engine.h"
  30 #include "Debug.h"
  31
  32 #define FREE(ptr)       \
  33                 do { \
  34                         if (ptr != NULL) { \
  35                                 free(ptr); \
  36                                 ptr = NULL; \
  37                         } \
  38                 } while (0);
  39
  40
  41 static stt_state_e static_current_stt_state = STT_STATE_CREATED;
  42 static stt_h g_stt;
  43
  44 static void _on_state_change_cb(stt_h stt, stt_state_e previous, stt_state_e current, void* voice_data);
  45 static void _on_error_cb(stt_h stt, stt_error_e reason, void *voice_data);
  46 static void _on_result_cb(stt_h stt, stt_result_event_e event, const char** data, int data_count, const char* msg, void *voice_data);
  47
  48 static bool is_auto_spacing(void *voice_data)
  49 {
  50         VoiceData *voicedata = (VoiceData *)voice_data;
  51         int lang = 0, ret = 0;
  52 #if 0
  53         ret = preference_get_int(PREFERENCE_ISE_STT_LANGUAGE, &lang);
  54         if(PREFERENCE_ERROR_NONE != ret){
  55                 PRINTFUNC(DLOG_ERROR, "preference_get_int error!(%d)", ret);
  56         }
  57 #else
  58         ret = vconf_get_int(VCONFKEY_ISE_STT_LANGUAGE, &lang);
  59         if (ret !=0) {
  60                 PRINTFUNC(DLOG_ERROR, "Vconf_get_int error!(%d)", ret);
  61         }
  62 #endif
  63         switch(lang) {
  64         case 0 :
  65                 if((strcmp(voicedata->kbd_lang, "zh_CN") == 0) || (strcmp(voicedata->kbd_lang, "ja_JP") == 0))
  66                         return false;
  67                 else
  68                         return true;
  69         case 7: // Japanese
  70         case 10: // Chinese
  71                 return false;
  72         default :
  73                 return true;
  74         }
  75
  76         return true;
  77 }
  78
  79 char * error_string(int ecode)
  80 {
  81         char *str = NULL;
  82         switch (ecode) {
  83         case STT_ERROR_OUT_OF_MEMORY:
  84                 str = "STT_ERROR_OUT_OF_MEMORY";
  85                 break;
  86         case STT_ERROR_IO_ERROR:
  87                 str = "STT_ERROR_IO_ERROR";
  88                 break;
  89         case STT_ERROR_INVALID_PARAMETER:
  90                 str = "STT_ERROR_INVALID_PARAMETER";
  91                 break;
  92         case STT_ERROR_TIMED_OUT:
  93                 str = "STT_ERROR_TIMED_OUT";
  94                 break;
  95         case STT_ERROR_RECORDER_BUSY:
  96                 str = "STT_ERROR_RECORDER_BUSY";
  97                 break;
  98         case STT_ERROR_OUT_OF_NETWORK:
  99                 str = "STT_ERROR_OUT_OF_NETWORK";
 100                 break;
 101         case STT_ERROR_INVALID_STATE:
 102                 str = " STT_ERROR_INVALID_STATE";
 103                 break;
 104         case STT_ERROR_INVALID_LANGUAGE:
 105                 str = "STT_ERROR_INVALID_LANGUAGE";
 106                 break;
 107         case STT_ERROR_ENGINE_NOT_FOUND:
 108                 str = "STT_ERROR_ENGINE_NOT_FOUND";
 109                 break;
 110         case STT_ERROR_OPERATION_FAILED:
 111                 str = "STT_ERROR_OPERATION_FAILED";
 112                 break;
 113         case STT_ERROR_NOT_SUPPORTED_FEATURE:
 114                 str = "STT_ERROR_NOT_SUPPORTED_FEATURE";
 115                 break;
 116         }
 117         return str;
 118 }
 119
 120 void voice_stt_set_silence_detection_func(bool bEnable)
 121 {
 122         int ret = STT_ERROR_NONE;
 123
 124         stt_option_silence_detection_e s_option;
 125
 126         if(bEnable)
 127                 s_option = STT_OPTION_SILENCE_DETECTION_TRUE;
 128         else
 129                 s_option = STT_OPTION_SILENCE_DETECTION_FALSE;
 130
 131         ret = stt_set_silence_detection(g_stt, s_option);
 132         if (STT_ERROR_NONE != ret) {
 133                 PRINTFUNC(DLOG_ERROR,"stt_set_silence_detection Failed : error(%d) = %s", ret, error_string((stt_error_e)ret));
 134         } else {
 135                 PRINTFUNC(NO_PRINT,"stt_set_silence_detection Successful");
 136         }
 137
 138 }
 139
 140
 141 ////////////////////////////////////////////////////////////////////////////////
 142 // STT Callback functions
 143 ////////////////////////////////////////////////////////////////////////////////
 144
 145 void on_feedback(stt_h handle)
 146 {
 147         int is_sound = 0;
 148         int is_sound_vibe = 0;
 149
 150         if(vconf_get_bool(VCONFKEY_SETAPPL_SOUND_STATUS_BOOL, &is_sound)) {
 151                 PRINTFUNC(DLOG_ERROR, "get sound status failed.");
 152         }
 153
 154         if(vconf_get_bool(VCONFKEY_SETAPPL_VIBRATION_STATUS_BOOL, &is_sound_vibe)) {
 155                 PRINTFUNC(DLOG_ERROR, "get vibe status failed.");
 156         }
 157
 158         if(is_sound || is_sound_vibe) {
 159                 stt_set_start_sound(handle, "/usr/share/ise-voice-input/audio/voice_start.wav");
 160                 stt_set_stop_sound(handle, "/usr/share/ise-voice-input/audio/voice_stop.wav");
 161         }else{
 162                 stt_unset_start_sound(handle);
 163                 stt_unset_stop_sound(handle);
 164         }
 165 }
 166
 167 ////////////////////////////////////////////////////////////////////////////////
 168 // STT APIs callers
 169 ////////////////////////////////////////////////////////////////////////////////
 170
 171 bool _app_stt_initialize(VoiceData *voice_data)
 172 {
 173         PRINTFUNC(NO_PRINT,"_app_stt_initialize");
 174         VoiceData *vd = (VoiceData *)voice_data;
 175
 176         try {
 177                 if(vd->sttmanager) {
 178                         vd->sttmanager->Cancel();
 179                         delete vd->sttmanager;
 180                         vd->sttmanager = NULL;
 181                 }
 182
 183                 if(vd->sttfeedback) {
 184                         delete vd->sttfeedback;
 185                         vd->sttfeedback = NULL;
 186                 }
 187
 188                 vd->sttfeedback = new is::stt::SttFeedback();
 189                 vd->sttfeedback->SetVoiceData(vd);
 190
 191                 vd->sttmanager = new is::stt::SttManager(*(vd->sttfeedback));
 192                 vd->sttmanager->Prepare();
 193
 194         } catch(std::exception &e) {
 195                 PRINTFUNC(DLOG_ERROR, "%s", e.what());
 196                 return false;
 197         }
 198
 199         return true;
 200 }
 201
 202