/// <summary>
/// 开始下载
/// </summary>
public void StartDownload(Dictionary <string, string> _aduioFileDic, string savePath,
string mainWin = "MainDialog")
{
int d_count = 0;
string d_url = ""; //下载 路径
string s_url = ""; //保存路径
IsDownloading = true;
DownloadProgressDialogVM downloadProgressDialogVM = new DownloadProgressDialogVM("");
//显示 等待窗
var view = new DownloadProgressDialog
{
DataContext = downloadProgressDialogVM
};
//1.等待窗 (2.执行下载, 3.关闭 等待)
var result = DialogHostEx.ShowDialog(GlobalUser.MainWin, view, ExtendedOpenedEventHandler,
ExtendedClosingEventHandler);
//view.DownloadingSpeedText.Text = "正在下载试题，已完成 100%";
Application.Current.Dispatcher.Invoke(new Action(() =>
{
for (int i = 0; i < _aduioFileDic.Keys.Count; i++)
{
d_url = $"{WebApiProxy.MEDIAURL}{_aduioFileDic[_aduioFileDic.Keys.ToList()[i]]}";
s_url = Path.Combine(savePath,
SecurityHelper.HmacMd5Encrypt(Path.GetFileNameWithoutExtension(d_url), GlobalUser.FILEPWD,
Encoding.UTF8)
.ToLower() + ".qf");
downloadProgressDialogVM.DownloadingCount =
Convert.ToInt32(((i + 1) / _aduioFileDic.Keys.Count) * 100);
downloadProgressDialogVM.DownloadingCountText = $"总进度 {(i + 1)}/{_aduioFileDic.Keys.Count}";
HttpWebRequest request = (HttpWebRequest)WebRequest.Create(d_url);
//if (DownloadBytes > 0)
//{
// request.AddRange(DownloadBytes);
//}
//发送请求并获取相应回应数据
HttpWebResponse response = request.GetResponse() as HttpWebResponse;
//var response = request.EndGetResponse(ar);
DownloadBytes = TotalBytes = 0;
if (this.TotalBytes == 0)
{
this.TotalBytes = response.ContentLength;
}
using (var writer = new MemoryStream())
{
using (var stream = response.GetResponseStream())
{
while (DownloadBytes != TotalBytes)
{
byte[] data = new byte[readBytes];
int readNumber = stream.Read(data, 0, data.Length);
if (readNumber > 0)
{
writer.Write(data, 0, readNumber);
DownloadBytes += readNumber;
}
int downloadingSpeed = Convert.ToInt32((DownloadBytes * 100 / TotalBytes));
downloadProgressDialogVM.DownloadingSpeedText = $"当前 {downloadingSpeed}%";
downloadProgressDialogVM.DownloadingSpeed =
downloadingSpeed == 100.00d ? 99.99d : downloadingSpeed;
downloadProgressDialogVM.DownloadingSpeedVisibility =
downloadingSpeed > 1.00f ? Visibility.Visible : Visibility.Hidden;
}
}
if (DownloadBytes == TotalBytes)
{
// Set the position to the beginning of the stream.
writer.Seek(0, SeekOrigin.Begin);
FileSecretHelper.EncryptFileBybt(writer, s_url);
d_count++;
if (d_count == _aduioFileDic.Keys.Count)
{
Complete();
}
}
}
}
}));
}
public void PlayAudio1(string audioFile, bool isSend = true)
{
GlobalUser.WavePlayer?.Stop();
string reueUrl = "";
try
{
GlobalUser.WavePlayer = CreateWavePlayer();
string pfile = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, GlobalUser.DATAFOLDER, SecurityHelper
.HmacMd5Encrypt(GlobalUser.SelectPaperName + GlobalUser.SelectPaperNumber,
GlobalUser.FILEPWD, Encoding.UTF8).ToUpper(),
SecurityHelper.HmacMd5Encrypt(Path.GetFileNameWithoutExtension(audioFile), GlobalUser.FILEPWD,
Encoding.UTF8).ToLower() + ".qf");
if (!File.Exists(pfile))
{
throw new Exception("无效的本地内容文件");
}
var sfile = FileSecretHelper.DecryptFile0(pfile);
//if (!audioFile.ToLower().Contains(".mp3"))
// reueUrl = $"{audioFile}.mp3";
Mp3FileReader mfr = new Mp3FileReader(sfile);
//reueUrl = WebApiProxy.GetRedirectUrl($"{WebApiProxy.MEDIAURL}{audioFile}");
//if (!audioFile.ToLower().Contains(".mp3"))
// reueUrl = $"{audioFile}.mp3";
//AudioFileReader afr =
// new AudioFileReader(Path.Combine(GlobalUser.AUDIODATAFOLDER, Path.GetFileName(audioFile)));
GlobalUser.WavePlayer.Init(mfr);//存入 网络音频地址
GlobalUser.WavePlayer.PlaybackStopped += OnPlaybackStopped1;
//TotalTime = Convert.ToInt32(mfr.TotalTime.Minutes * 60 + mfr.TotalTime.Seconds);
//PlayTime = 0;
if (isSend)
{
SendProgress();
}
GlobalUser.WavePlayer.Play();
}
catch (Exception)
{
try
{
GlobalUser.WavePlayer?.Stop();
GlobalUser.WavePlayer?.Dispose();
GlobalUser.WavePlayer = CreateWavePlayer();
if (audioFile.ToLower().Contains("records."))
{
reueUrl = $"http://{audioFile}.mp3";
}
else
{
reueUrl = WebApiProxy.GetRedirectUrl($"{WebApiProxy.MEDIAURL}{audioFile}");
}
MediaFoundationReader mfr = new MediaFoundationReader(reueUrl);
GlobalUser.WavePlayer.Init(mfr);//存入 网络音频地址
GlobalUser.WavePlayer.PlaybackStopped += OnPlaybackStopped1;
TotalTime = Convert.ToInt32(mfr.TotalTime.Minutes * 60 + mfr.TotalTime.Seconds);
PlayTime = 0;
SendProgress();
GlobalUser.WavePlayer.Play();
}
catch (Exception e)
{
Log4NetHelper.Error(
$"Play Audio Error ---- {e.Message} ---- {e.StackTrace} \r\n-------- url: {WebApiProxy.MEDIAURL}{audioFile} \r\n-------- True Url:{reueUrl}");
BeginExam(_NextFlowType);
}
}
}
private void PlayAudio(string audioFile)
{
if (GlobalUser.WavePlayer?.PlaybackState == PlaybackState.Playing)
{
CleanUp();
PlayIconKind.Kind = PackIconKind.Play;
PlayTime = 0;
return;
}
try
{
GlobalUser.WavePlayer = CreateWavePlayer();
if (!audioFile.Contains("http://"))
{
audioFile = $"http://{audioFile}";
}
try
{
Stream sfile;
string pfile = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, GlobalUser.DATAFOLDER,
SecurityHelper
.HmacMd5Encrypt(GlobalUser.SelectPaperName + GlobalUser.SelectPaperNumber,
GlobalUser.FILEPWD, Encoding.UTF8).ToUpper(),
SecurityHelper.HmacMd5Encrypt(Path.GetFileNameWithoutExtension(audioFile), GlobalUser.FILEPWD,
Encoding.UTF8).ToLower() + ".qf");
if (!File.Exists(pfile))
{
if (Environment.OSVersion.Version.Major < 6)
{
//Vista 以下操作系统执行
//获取流文件
byte[] audioByte = WebApiProxy.GetAudioFile($"{audioFile}.mp3");
sfile = new MemoryStream(audioByte);
Mp3FileReader mfr0 = new Mp3FileReader(sfile);
GlobalUser.WavePlayer = CreateWavePlayer();
SliderTimer.Maximum = TotalTime = Convert.ToInt32(mfr0.TotalTime.TotalSeconds);
TxtPlayTime.Text = TotalTime.ToString();
GlobalUser.WavePlayer.Init(mfr0);
GlobalUser.WavePlayer.PlaybackStopped += OnPlaybackStopped;
SliderTimer.Value = PlayTime = 0;
_dTimer.Start();
PlayIconKind.Kind = PackIconKind.Stop;
GlobalUser.WavePlayer.Play();
return;
}
throw new Exception("无效的本地内容文件");
}
sfile = FileSecretHelper.DecryptFile0(pfile);
//if (!audioFile.ToLower().Contains(".mp3"))
// reueUrl = $"{audioFile}.mp3";
Mp3FileReader mfr = new Mp3FileReader(sfile);
//var reader = //new MediaFoundationReader($"{audioFile}.mp3");
// new AudioFileReader(Path.Combine(GlobalUser.AUDIODATAFOLDER, $"{Path.GetFileName(audioFile)}.mp3"));
SliderTimer.Maximum = TotalTime = Convert.ToInt32(mfr.TotalTime.TotalSeconds);
TxtPlayTime.Text = TotalTime.ToString();
GlobalUser.WavePlayer.Init(mfr);
}
catch (Exception ex)
{
try
{
var reader = new MediaFoundationReader($"{audioFile}.mp3");
SliderTimer.Maximum = TotalTime = Convert.ToInt32(reader.TotalTime.TotalSeconds);
TxtPlayTime.Text = TotalTime.ToString();
GlobalUser.WavePlayer.Init(reader);
}
catch (Exception)
{
var oggReader = new VorbisWaveReader($"{audioFile}.ogg");
SliderTimer.Maximum = TotalTime = Convert.ToInt32(oggReader.TotalTime.TotalSeconds);
TxtPlayTime.Text = TotalTime.ToString();
GlobalUser.WavePlayer.Init(oggReader);
}
}
GlobalUser.WavePlayer.PlaybackStopped += OnPlaybackStopped;
SliderTimer.Value = PlayTime = 0;
_dTimer.Start();
PlayIconKind.Kind = PackIconKind.Stop;
GlobalUser.WavePlayer.Play();
}
catch (Exception e)
{
Log4NetHelper.Error(String.Format("Play Error {0}", e.Message));
}
}