/// <summary>
/// Method: Initialize
/// Initialize the cache
/// Parameter: container is a string defining the folder name where the cache will be stored on disk under folder
/// \Users\<UserName>\AppData\Local\Packages\<PackageID>\LocalState
/// Parameter: bDownloadToGo if true DownloadToGo scenario (offline playback), if false ProgressiveDownload scenario
/// Parameter: maxDownloadSession maximum number of simultaneous download sessions
/// Parameter: maxDownloadSession maximum number of simultaneous download sessions
/// Parameter: maxMemoryBufferSizePerSession maximum buffer size per session, when the size if over this value, the chunks will be saved on disk and freed from memory.
/// Parameter: maxDownloadedAssets maximum number of asset on disk
/// Parameter: maxError maximum number of http error while downloading the chunks associated with an asset. When this value is reached the download thread will be cancelled
/// Parameter: bAutoStartDownload if true after a resume the cache will start automatically the download
/// </summary>
public IAsyncOperation<bool> Initialize(string container, uint maxDownloadSession, ulong maxMemoryBufferSizePerSession, uint maxDownloadedAssets, uint maxError, bool bAutoStartDownload)
{
return Task.Run<bool>(async () =>
{
if (ManifestCacheList != null)
Uninitialize();
Container = container;
MaxError = maxError;
MaxMemoryBufferSizePerSession = maxMemoryBufferSizePerSession;
MaxDownloadSessions = maxDownloadSession;
MaxDownloadedAssets = maxDownloadedAssets;
AutoStartDownload = bAutoStartDownload;
// SMOOTH
// Init Adaptative Manager
AdaptiveSrcManager = AdaptiveSourceManager.GetDefault();
AdaptiveSrcManager.SetDownloaderPlugin(this);
AdaptiveSrcManager.AdaptiveSourceOpenedEvent += AdaptiveSrcManager_AdaptiveSourceOpenedEvent;
AdaptiveSrcManager.AdaptiveSourceClosedEvent += AdaptiveSrcManager_AdaptiveSourceClosedEvent;
// SMOOTH
// Init SMOOTH Manager
SmoothStreamingManager = Microsoft.Media.AdaptiveStreaming.AdaptiveSourceManager.GetDefault() as Microsoft.Media.AdaptiveStreaming.AdaptiveSourceManager;
Extension = new Windows.Media.MediaExtensionManager();
if ((SmoothStreamingManager != null) &&
(Extension != null))
{
Windows.Foundation.Collections.PropertySet ssps = new Windows.Foundation.Collections.PropertySet();
ssps["{A5CE1DE8-1D00-427B-ACEF-FB9A3C93DE2D}"] = SmoothStreamingManager;
Extension.RegisterByteStreamHandler("Microsoft.Media.AdaptiveStreaming.SmoothByteStreamHandler", ".ism", "text/xml", ssps);
Extension.RegisterByteStreamHandler("Microsoft.Media.AdaptiveStreaming.SmoothByteStreamHandler", ".ism", "application/vnd.ms-sstr+xml", ssps);
Extension.RegisterByteStreamHandler("Microsoft.Media.AdaptiveStreaming.SmoothByteStreamHandler", ".isml", "text/xml", ssps);
Extension.RegisterByteStreamHandler("Microsoft.Media.AdaptiveStreaming.SmoothByteStreamHandler", ".isml", "application/vnd.ms-sstr+xml", ssps);
Extension.RegisterSchemeHandler("Microsoft.Media.AdaptiveStreaming.SmoothSchemeHandler", "ms-sstr:", ssps);
Extension.RegisterSchemeHandler("Microsoft.Media.AdaptiveStreaming.SmoothSchemeHandler", "ms-sstrs:", ssps);
SmoothStreamingManager.ManifestReadyEvent += SmoothStreamingManager_ManifestReadyEvent;
SmoothStreamingManager.SetDownloaderPlugin(this);
}
if (diskCache == null)
{
diskCache = new DiskCache();
if (diskCache != null)
{
bool bResult = false;
bResult = await diskCache.Initialize(Container);
if (bResult != true)
{
System.Diagnostics.Debug.WriteLine("Can't initialize DiskCache");
return false;
}
}
}
if (ManifestCacheList == null)
ManifestCacheList = new ConcurrentDictionary<Uri, ManifestCache>();
if (ManifestCacheList != null)
IsInitialized = true;
return IsInitialized;
}).AsAsyncOperation<bool>();
}
/// <summary>
/// SetDiskCache
/// Associate a Disk cache with the manifest.
/// The DiskCache will be used to store the manifest on disk
/// </summary>
/// <param name="cache">DiskCache</param>
/// <returns>true if successful</returns>
public bool SetDiskCache(DiskCache cache)
{
if (cache != null)
{
DiskCache = cache;
return true;
}
return false;
}