/// <summary>
/// 截取音频后，对每个小音频获语音转文字
/// </summary>
/// <param name="startMilliSecond">开始时间戳</param>
/// <param name="endMilliSecond">结束时间戳</param>
/// <param name="reader">音频流</param>
/// <param name="i">用于创建新的文件</param>
/// <param name="language">语言（zh，en）</param>
/// <param name="splitTime">时间间隔</param>
private void GetBaiduSpeech1(TimeSpan startMilliSecond, TimeSpan endMilliSecond, string sound_path, int i, string language, double splitTime)
{
try
{
var reader = new AudioFileReader(sound_path);
//开始时间往前取startMilliSecond一半的偏移，结束时间往后取间隔时间的一半的偏移
if (i == 0)
{
startMilliSecond = startMilliSecond - TimeSpan.FromMilliseconds(startMilliSecond.TotalMilliseconds / 2);
}
else
{
startMilliSecond = startMilliSecond - TimeSpan.FromMilliseconds(splitTime / 2);
}
if (endMilliSecond < reader.TotalTime)//最后一次不用取偏移
{
endMilliSecond = endMilliSecond + TimeSpan.FromMilliseconds(splitTime / 2);
}
TimeSpan span = endMilliSecond - startMilliSecond;
if (span.TotalSeconds > 60)//超过60s，只取60秒
{
span = TimeSpan.FromSeconds(60);
}
var trimed = reader.Skip(startMilliSecond).Take(endMilliSecond - startMilliSecond);
//保存新的音频文件
string fileName = Path.GetFileNameWithoutExtension(sound_path) + "_" + i + Path.GetExtension(sound_path);//重命名文件
string newFolder = System.AppDomain.CurrentDomain.BaseDirectory + "NewSoundFiles/" + Path.GetFileNameWithoutExtension(sound_path) + "/";
//重新存储到一个新的文件目录
if (!System.IO.Directory.Exists(newFolder))
{
System.IO.Directory.CreateDirectory(newFolder);
}
string newFile = newFolder + fileName;
WaveFileWriter.CreateWaveFile16(newFile, trimed);
//绝对路径
string path_absolute = context.Server.MapPath("/NewSoundFiles/" + Path.GetFileNameWithoutExtension(sound_path) + "/" + fileName);
voiceFiles.Add(UploadFile.PostFile(path_absolute));
if (span == TimeSpan.FromSeconds(60))//音频大于60s
{
//小音频
var _reader = new AudioFileReader(sound_path);
var _trimed = _reader.Skip(startMilliSecond).Take(span);
//保存新的音频文件
string _fileName = "_" + Path.GetFileNameWithoutExtension(sound_path) + "_" + i + Path.GetExtension(sound_path);//重命名文件
string _newFile = newFolder + _fileName;
WaveFileWriter.CreateWaveFile16(_newFile, _trimed);
baidu_text.Add(BaiduSpeech.BaiduTranslateToText(_newFile, language, _trimed.WaveFormat.SampleRate.ToString()));
}
else
{
baidu_text.Add(BaiduSpeech.BaiduTranslateToText(newFile, language, trimed.WaveFormat.SampleRate.ToString()));
}
reader.Close();
reader.Dispose();
}
catch (Exception ex)
{
LogHelper.Error(ex.Message);
}
}
/// <summary>
/// Main
/// </summary>
public Form1()
{
InitializeComponent();
logger = new SimpleLogger();
scanner = new TX400Scanner();
OpenScanner();
camera = new CameraCV();
pcontroller = new PlatformController();
OpenController();
//调试用，直接对接百度API
CVclient = new BaiduFace();
speech = new BaiduSpeech();
client = new APIClient();
logger.Info("Get Client Token = " + APIClient.token);
//启动timer，周期刷新picturebox
pictureboxRefreshTimer = new System.Timers.Timer();
pictureboxRefreshTimer.Interval = 1000;
pictureboxRefreshTimer.Elapsed += new System.Timers.ElapsedEventHandler(pictureboxRefresh);
pictureboxRefreshTimer.AutoReset = true;
pictureboxRefreshTimer.Start();
//启动timer，周期刷新faceError
faceErrorResetTimer = new System.Timers.Timer();
faceErrorResetTimer.Elapsed += new System.Timers.ElapsedEventHandler(faceErrorReset);
faceErrorResetTimer.AutoReset = true;
faceErrorResetTimer.Interval = 10000;
faceErrorResetTimer.Start();
//设置lock timer
LockTimer = new System.Timers.Timer();
LockTimer.Elapsed += new ElapsedEventHandler(UnlockSystem);
//open pictualbox always on
SetPictureBoxVisibility(pictureBoxAlwaysOn, true);
}
