/// <summary>
/// Load configuration from App.config
/// </summary>
/// <returns></returns>
public static T2WParam LoadConfig(string inputFile)
{
var param = new T2WParam();
if (string.IsNullOrEmpty(inputFile))
{
param.PathToText = ConfigurationManager.AppSettings["PathToText"].ToString();
}
else
{
param.PathToText = inputFile;
}
param.VoiceName = ConfigurationManager.AppSettings["VoiceName"].ToString();
param.WordsPerSub = Int32.Parse(ConfigurationManager.AppSettings["WordsPerSub"].ToString());
param.VoiceRate = Int32.Parse(ConfigurationManager.AppSettings["VoiceRate"].ToString());
param.AskParams = ConfigurationManager.AppSettings["AskParams"].ToString();
param.FactorOrReplace = ConfigurationManager.AppSettings["FactorOrReplace"].ToString();
param.ResizeFactor = decimal.Parse(ConfigurationManager.AppSettings["ResizeFactor"].ToString());
param.ReplaceFinalTime = decimal.Parse(ConfigurationManager.AppSettings["ReplaceFinalTime"].ToString());
param.OutputFormat = ConfigurationManager.AppSettings["OutputFormat"].ToString();
param.SampleRate = Int32.Parse(ConfigurationManager.AppSettings["SampleRate"]);
param.BitsPerSample = Int32.Parse(ConfigurationManager.AppSettings["BitsPerSample"]);
param.ChannelCount = Int32.Parse(ConfigurationManager.AppSettings["ChannelCount"]);
param.AvgBytesPerSecond = Int32.Parse(ConfigurationManager.AppSettings["AvgBytesPerSecond"]);
param.BlockAlign = Int32.Parse(ConfigurationManager.AppSettings["BlockAlign"]);
return(param);
}
/// <summary>
/// Writes out the SRT File
/// </summary>
/// <param name="param"></param>
/// <param name="texts"></param>
private void ListStr2SRTFile(T2WParam param, List <string> texts)
{
string srtPath = Path.Combine(
Path.GetDirectoryName(param.PathToText),
Path.GetFileNameWithoutExtension(param.PathToText) + ".srt");
using (FileStream fs = File.Create(srtPath))
{
foreach (var sub in texts)
{
Byte[] info = new UTF8Encoding(true).GetBytes(sub);
//Byte[] info = System.Text.Encoding.Unicode.GetBytes(sub);
fs.Write(info, 0, info.Length);
}
}
}
/// <summary>
/// Generates SRT file after the wav file has been created
/// </summary>
/// <param name="progress"></param>
/// <param name="param"></param>
/// <returns></returns>
private List <string> GenSubtitles(List <SpeakProgress> progress, T2WParam param)
{
//MergeWords(ref progress, text);
var p = progress[progress.Count - 1];
progress.Add(EstimateEndTime(p.AudioPosition.Ticks, p.CharacterPosition, p.CharacterCount)); //added to avoid exception on final loop iteration.
//Get original text (text with punctuation)
//text = Regex.Replace(text, @"[\s\r\n]+", " "); //replace new line with blank space.
//var originalWords = text.Split(' ');
var finalSubs = new List <string>();
TimeSpan t1 = new TimeSpan();
TimeSpan t2 = new TimeSpan();
int wordCounter = 0;
int subNo = 1;
string sub = string.Empty;
t1 = progress[0].AudioPosition;
for (int i = 0; i < progress.Count - 1; i++)
{
wordCounter++;
t2 = progress[i + 1].AudioPosition;
//sub = sub + " " + originalWords[j];
sub = sub + progress[i].Text;
if (wordCounter >= param.WordsPerSub || i >= progress.Count - 2)
{
finalSubs.Add(
string.Format(_outputSub,
(subNo).ToString("D5"),
t1.Hours, t1.Minutes, t1.Seconds, t1.Milliseconds,
t2.Hours, t2.Minutes, t2.Seconds, t2.Milliseconds,
sub.Trim())
);
subNo++;
sub = string.Empty;
t1 = t2;
wordCounter = 0;
}
}
return(finalSubs);
}
/// <summary>
/// Create a wav file from text
/// </summary>
/// <param name="text"></param>
/// <param name="param"></param>
/// <param name="wavePath"></param>
/// <returns></returns>
private List <SpeakProgress> CreateWav(string text, T2WParam param, out string wavePath)
{
wavePath = Path.Combine(
Path.GetDirectoryName(param.PathToText),
Path.GetFileNameWithoutExtension(param.PathToText) + ".wav");
using (var synthesizer = new SpeechSynthesizer())
{
var synthFormat = new SpeechAudioFormatInfo(EncodingFormat.Pcm, param.SampleRate, param.BitsPerSample, param.ChannelCount, param.AvgBytesPerSecond, param.BlockAlign, null);
//synthesizer.SetOutputToAudioStream(streamAudio, synthFormat);
synthesizer.SpeakProgress += new EventHandler <SpeakProgressEventArgs>(synthesizer_SpeakProgress);
//synthesizer.SpeakCompleted += new EventHandler<SpeakCompletedEventArgs>(synthesizer_SpeakCompleted);
//synthesizer.SetOutputToDefaultAudioDevice();
synthesizer.SetOutputToWaveFile(wavePath, synthFormat);
synthesizer.SelectVoice(param.VoiceName);
synthesizer.Rate = param.VoiceRate;
PromptBuilder builder = new PromptBuilder();
builder.StartVoice(param.VoiceName);
builder.StartStyle(new PromptStyle(PromptEmphasis.Moderate));
//builder.AppendText(text, (PromptRate)param.VoiceRate);
//if (param.VoiceName == "Ines22k_HQ")
//{
// var dirtyText = text.Replace("...", ",,");
// dirtyText = Regex.Replace(dirtyText, @"[\s]*[\r\n]+", " ");
// dirtyText = dirtyText.Replace(".", ";");
// builder.AppendText(dirtyText, PromptVolume.Loud);
//}
//else
//{
// builder.AppendText(text, PromptVolume.Loud);
//}
builder.AppendText(text, PromptVolume.Loud);
builder.EndStyle();
builder.EndVoice();
synthesizer.Speak(builder);
}
return(_progress);
}
/// <summary>
/// Instantiate with default parameters but use specific input file
/// </summary>
/// <param name="inputFile"></param>
public TTSLogic(string inputFile)
{
_config = TTSLogic.LoadConfig(inputFile);
//_config.PathToText = inputFile;
}
/// <summary>
/// Constructor with specific parameters
/// </summary>
/// <param name="conf"></param>
public TTSLogic(T2WParam conf)
{
_config = conf;
}
/// <summary>
/// Default constructor
/// </summary>
public TTSLogic()
{
_config = TTSLogic.LoadConfig("");
}