private void OnMediaFailed(object sender, ExceptionRoutedEventArgs e)
{
this.mediaElement.Source = null;
if (this.flvMediaStreamSource != null)
{
this.flvMediaStreamSource.Dispose();
this.flvMediaStreamSource = null;
}
if (this.videoStream != null)
{
this.videoStream.Dispose();
this.videoStream = null;
}
this.ShowMessage("OnMediaFailed");
}
private void MainPage_Unloaded(object sender, RoutedEventArgs e)
{
if (this.mediaElement != null)
{
this.mediaElement.Source = null;
}
if (this.flvMediaStreamSource != null)
{
this.flvMediaStreamSource.Dispose();
this.flvMediaStreamSource = null;
}
if (this.videoStream != null)
{
this.videoStream.Dispose();
this.videoStream = null;
}
}
private async void OpenLocalFile(object sender, RoutedEventArgs e)
{
this.Splitter.IsPaneOpen = false;
FileOpenPicker fileOpenPicker = new FileOpenPicker();
fileOpenPicker.ViewMode = PickerViewMode.List;
fileOpenPicker.SuggestedStartLocation = PickerLocationId.VideosLibrary;
fileOpenPicker.FileTypeFilter.Add(".flv");
var file = await fileOpenPicker.PickSingleFileAsync();
if (file == null)
{
return;
}
this.mediaElement.Source = null;
if (this.flvMediaStreamSource != null)
{
this.flvMediaStreamSource.Dispose();
this.flvMediaStreamSource = null;
}
if (this.videoStream != null)
{
this.videoStream.Dispose();
this.videoStream = null;
}
var taskID = ++this.playTaskID;
IRandomAccessStream fileStream = null;
try
{
fileStream = await file.OpenAsync(Windows.Storage.FileAccessMode.Read);
}
catch (Exception)
{
}
if (taskID != this.playTaskID)
{
if (fileStream != null)
{
fileStream.Dispose();
fileStream = null;
}
return;
}
if (fileStream == null)
{
this.ShowMessage("Failed to open media");
return;
}
FlvMediaStreamSource fmss = null;
try
{
fmss = await FlvMediaStreamSource.CreateFromRandomAccessStreamAsync(fileStream);
}
catch (Exception)
{
fileStream.Dispose();
fileStream = null;
}
if (taskID != this.playTaskID)
{
if (fmss != null)
{
fmss.Dispose();
fmss = null;
}
if (fileStream != null)
{
fileStream.Dispose();
fileStream = null;
}
return;
}
if (fmss == null)
{
this.ShowMessage("Failed to open media");
return;
}
this.videoStream = fileStream;
this.flvMediaStreamSource = fmss;
mediaElement.SetMediaStreamSource(flvMediaStreamSource.Source);
}
private async void OpenUrl(object sender, RoutedEventArgs e)
{
var url = this.UrlInputBox.Text.Trim();
if (url.Length == 0)
{
return;
}
Uri uri = null;
try
{
uri = new Uri(url);
}
catch (Exception)
{
this.ShowMessage("Bad url");
return;
}
this.mediaElement.Source = null;
if (this.flvMediaStreamSource != null)
{
this.flvMediaStreamSource.Dispose();
this.flvMediaStreamSource = null;
}
if (this.videoStream != null)
{
this.videoStream.Dispose();
this.videoStream = null;
}
var taskID = ++this.playTaskID;
this.Splitter.IsPaneOpen = false;
IInputStream fileStream = null;
try
{
var hpf = new HttpBaseProtocolFilter();
hpf.CacheControl.ReadBehavior = HttpCacheReadBehavior.MostRecent;
hpf.CacheControl.WriteBehavior = HttpCacheWriteBehavior.NoCache;
var httpClient = new HttpClient(hpf);
fileStream = await httpClient.GetInputStreamAsync(uri);
}
catch (Exception)
{
}
if (taskID != this.playTaskID)
{
if (fileStream != null)
{
fileStream.Dispose();
fileStream = null;
}
return;
}
if (fileStream == null)
{
this.ShowMessage("Failed to open media");
return;
}
FlvMediaStreamSource fmss = null;
try
{
fmss = await FlvMediaStreamSource.CreateFromInputStreamAsync(fileStream);
}
catch (Exception)
{
fileStream.Dispose();
fileStream = null;
}
if (taskID != this.playTaskID)
{
if (fmss != null)
{
fmss.Dispose();
fmss = null;
}
if (fileStream != null)
{
fileStream.Dispose();
fileStream = null;
}
return;
}
if (fmss == null)
{
this.ShowMessage("Failed to open media");
return;
}
this.videoStream = fileStream;
this.flvMediaStreamSource = fmss;
mediaElement.SetMediaStreamSource(flvMediaStreamSource.Source);
}
