網上找了好多資料也沒找到多少 支持返回當前朗讀的位置 用到了C#的回調函數
然後為了方便使用 我多此一舉的封裝了下
沒什麼技術含量 大牛直接飛過
[csharp]
using System;
using System.Collections.Generic;
using System.Text;
using DotNetSpeech;
using System.Threading;
using System.IO;
namespace SpVoiceDemo
{
class SpVoiceUtil
{
SpVoice voice = new DotNetSpeech.SpVoiceClass();
public delegate void CallBack(bool b,int InputWordPosition, int InputWordLength);
/// <summary>
/// 朗讀文本
/// </summary>
/// <param name="str">要朗讀的文本</param>
/// <param name="CallBack">回調地址</param>
/// <returns>返回bool</returns>
public bool Speak(string str, CallBack CallBack)
{
int n = voice.Speak(str, SpeechVoiceSpeakFlags.SVSFlagsAsync);
Thread thread = new Thread(new ParameterizedThreadStart(Call));
thread.IsBackground = true;
thread.Start((Object)CallBack);
return !(n!=1);
}
/// <summary>
/// 回調函數線程子程序
/// </summary>
/// <param name="callBack"></param>
private void Call(Object callBack)
{
int InputWordLength = 0; //局部_朗讀長度
int InputWordPosition = 0; //局部_朗讀位置
CallBack CallBack = (CallBack)callBack;
while ((int)voice.Status.RunningState != 1)
{
if (InputWordPosition != voice.Status.InputWordPosition || InputWordLength != voice.Status.InputWordLength)
{
InputWordPosition = voice.Status.InputWordPosition;
InputWordLength = voice.Status.InputWordLength;
//回調
CallBack(false, InputWordPosition, InputWordLength);
}
}
CallBack(true, InputWordPosition, InputWordLength);
}
/// <summary>
/// 獲取語音庫
/// </summary>
/// <returns>List<string></returns>
public List<string> getDescription()
{
List<string> list = new List<string>();
DotNetSpeech.ISpeechObjectTokens obj = voice.GetVoices();
int count = obj.Count;//獲取語音庫總數
for (int i = 0; i < count; i++)
{
string desc = obj.Item(i).GetDescription(); //遍歷語音庫
list.Add(desc);
}
return list;
}
/// <summary>
/// 設置當前使用語音庫
/// </summary>
/// <returns>bool</returns>
public bool setDescription(string name)
{
List<string> list = new List<string>();
DotNetSpeech.ISpeechObjectTokens obj = voice.GetVoices();
int count = obj.Count;//獲取語音庫總數
bool result = false;
for (int i = 0; i < count; i++)
{
string desc = obj.Item(i).GetDescription(); //遍歷語音庫
if (desc.Equals(name))
{
voice.Voice = obj.Item(i);
result = true;
}
}
return result;
}
/// <summary>
/// 設置語速
/// </summary>
/// <param name="n"></param>
public void setRate(int n)
{
voice.Rate = n;
}
/// <summary>
/// 設置聲音大小
/// </summary>
/// <param name="n"></param>
public void setVolume(int n)
{
voice.Volume = n;
}
/// <summary>
/// 暫停
/// </summary>
public void Pause()
{
voice.Pause();
}
/// <summary>
/// 繼續
/// </summary>
public void Resume()
{
voice.Resume();
}
/// <summary>
/// 停止
/// </summary>
public void Stop()
{
voice.Speak(string.Empty, SpeechVoiceSpeakFlags.SVSFPurgeBeforeSpeak);
}
/// <summary>
/// 輸出WAV
/// </summary>
/// <param name="path">保存路徑</param>
/// <param name="str">要轉換的文本內容</param>
/// <returns></returns>
public bool WreiteToWAV(string path,string str,SpeechAudioFormatType SpAudioType)
{
SpeechStreamFileMode SpFileMode = SpeechStreamFileMode.SSFMCreateForWrite;
SpFileStream SpFileStream = new SpFileStream();
SpeechVoiceSpeakFlags SpFlags = SpeechVoiceSpeakFlags.SVSFlagsAsync;
SpAudioFormat SpAudio = new DotNetSpeech.SpAudioFormat();
SpAudio.Type = SpAudioType;
SpFileStream.Format = SpAudio;
SpFileStream.Open(path, SpFileMode, false);
voice.AudioOutputStream = SpFileStream;
voice.Speak(str, SpFlags);
voice.WaitUntilDone(Timeout.Infinite);
SpFileStream.Close();
return File.Exists(path);
}
}
}
