speech_sapi.cpp

   1    #include <vole/vole.hpp>
   2
   3    #include <comstl/util/initialisers.hpp>
   4
   5    #include <iostream>
   6 #include "bcl.h"
   7 using namespace stlsoft;
   8 using namespace std;
   9
  10 string voicestr;
  11
  12 vole::object getSpeaker() {
  13 static vole::object ret =vole::object::create("SAPI.SpVoice");
  14 return ret;
  15 }
  16 vole::collection getVoices() {
  17 static vole::collection ret =getSpeaker().invoke_method<vole::collection>(L"GetVoices");
  18 return ret;
  19 }
  20 DECLSPEC void initSpeech() {
  21        try
  22        {
  23            comstl::com_initialiser coinit;
  24 vole::object voice =getSpeaker().get_property<vole::object>(L"voice");
  25 voicestr =voice.invoke_method<string>(L"GetDescription");
  26 }
  27        catch(std::bad_alloc&)
  28        {
  29            std::cerr << "out of memory" << std::endl;
  30        }
  31        catch(vole::vole_exception& x)
  32        {
  33            std::cerr << "operation failed: " << x.what() << ": " << winstl::error_desc_a(x.hr()) << std::endl;
  34        }
  35        catch(std::exception& x)
  36        {
  37            std::cerr << "operation failed: " << x.what() << std::endl;
  38        }
  39        catch(...)
  40        {
  41            std::cerr << "unexpected condition" << std::endl;
  42        }
  43 }
  44
  45 DECLSPEC void terminateSpeech() {
  46 return;
  47 }
  48 DECLSPEC void speak(char * text, int flags)
  49 {
  50 int sapiFlags =1;
  51 if (flags &SPEAK_BLOCKING) sapiFlags =0;
  52 if (flags &SPEAK_INTERRUPTING) sapiFlags =2;
  53 getSpeaker().invoke_method<void>(L"Speak", "<voice required=\"name="+voicestr+"\">"+text+"</voice>", sapiFlags);
  54 }
  55 DECLSPEC void setSpeechRate(int rate)
  56 {
  57 getSpeaker().put_property<int>(L"Rate",rate);
  58 }
  59
  60 DECLSPEC int getSpeechRate() {
  61 int ret = getSpeaker().get_property<int>(L"rate");
  62 return ret;
  63 }
  64 DECLSPEC void setSpeechVoice(int v)
  65 {
  66     int count = getVoices().get_property<int>(L"count");
  67 if (v >=count) return;
  68 vole::object voice = getVoices().invoke_method<vole::object>(L"Item",v);
  69 voicestr =voice.invoke_method<string>(L"GetDescription");
  70 }
  71 DECLSPEC int getSpeechVoice()
  72 {
  73     int count = getVoices().get_property<int>(L"count");
  74 for (int i =0;i<count;i++)
  75 {
  76 vole::object voice =getVoices().invoke_method<vole::object>(L"item", i);
  77 if (voicestr ==voice.invoke_method<string>(L"GetDescription")) return i;
  78 }
  79 return 0;
  80 }
  81
  82 DECLSPEC void stopSpeech()
  83 {
  84 getSpeaker().invoke_method<void>(L"Speak", "", 2);
  85 }
  86