/// <summary>
/// Static factory
/// </summary>
/// <returns></returns>
public static async Task <MediaPlayerFrameSource> CreateFromStorageFileAsyncTask(
StorageFile storageFile,
ISkillFeatureImageDescriptor imageDescriptor,
EventHandler <string> failureHandler)
{
var result = new MediaPlayerFrameSource()
{
m_desiredImageDescriptor = imageDescriptor,
m_mediaPlayer = new MediaPlayer()
{
Source = MediaSource.CreateFromStorageFile(storageFile),
IsVideoFrameServerEnabled = true,
RealTimePlayback = true,
IsMuted = true,
IsLoopingEnabled = true
}
};
result.m_mediaPlayer.CommandManager.IsEnabled = false;
result.m_mediaPlayer.MediaOpened += result.MediaPlayer_MediaOpened;
result.m_mediaPlayer.MediaEnded += result.MediaPlayer_MediaEnded;
result.m_mediaPlayer.MediaFailed += result.MediaPlayer_MediaFailed;
result.m_failureHandler = failureHandler;
await Task.Run(() => result.m_frameSourceReadyEvent.WaitOne());
return(result);
}
/// <summary>
/// Create an IFrameSource from a source object. Currently supports Windows.Storage.StorageFile
/// and Windows.Media.Capture.MediaCapture source objects.
/// </summary>
/// <param name="source"></param>
/// <returns></returns>
public static async Task <IFrameSource> CreateFrameSourceAsync(object source, EventHandler <string> failureHandler)
{
try
{
if (source is Windows.Storage.StorageFile)
{
var sourceFile = source as Windows.Storage.StorageFile;
if (sourceFile.ContentType.StartsWith("image"))
{
return(await ImageFileFrameSource.CreateFromStorageFileAsyncTask(sourceFile));
}
else if (sourceFile.ContentType.StartsWith("video"))
{
return(await MediaPlayerFrameSource.CreateFromStorageFileAsyncTask(sourceFile, failureHandler));
}
else
{
throw new ArgumentException("Invalid file type received: " + sourceFile.ContentType);
}
}
else if (source is Windows.Devices.Enumeration.DeviceInformation)
{
return(await FrameReaderFrameSource.CreateFromVideoDeviceInformationAsync(source as Windows.Devices.Enumeration.DeviceInformation, failureHandler));
}
else
{
throw new ArgumentException();
}
}
catch (Exception ex)
{
failureHandler(null, ex.Message);
}
return(null);
}
