public bool ShouldWaitForLoadingOfRequestedResource(AVAssetResourceLoader resourceLoader,
AVAssetResourceLoadingRequest loadingRequest)
{
try
{
var id = loadingRequest.Request.Url.Path.Trim('/');
if (id.Contains('.'))
{
id = id.Substring(0, id.IndexOf('.'));
}
var songId = SongIdTracks[id];
var data = GetPlaybackData(songId, false);
Task.Run(() => ProcessesRequest(resourceLoader, loadingRequest, data));
return(true);
}
catch (Exception ex)
{
Console.WriteLine(ex);
}
return(false);
}
public override void DidCancelLoadingRequest(AVAssetResourceLoader resourceLoader, AVAssetResourceLoadingRequest loadingRequest)
{
player.DidCancelLoadingRequest(resourceLoader, loadingRequest);
}
public override bool ShouldWaitForLoadingOfRequestedResource(AVAssetResourceLoader resourceLoader, AVAssetResourceLoadingRequest loadingRequest)
{
return(player.ShouldWaitForLoadingOfRequestedResource(resourceLoader, loadingRequest));
}
public override void DidCancelLoadingRequest(AVAssetResourceLoader resourceLoader,
AVAssetResourceLoadingRequest loadingRequest)
{
Parent.DidCancelLoadingRequest(resourceLoader, loadingRequest);
// base.DidCancelLoadingRequest(resourceLoader, loadingRequest);
}
async void ProcessesRequest(AVAssetResourceLoader resourceLoader,
AVAssetResourceLoadingRequest loadingRequest, PlaybackData data)
{
if (data == null)
{
loadingRequest.FinishLoading();
return;
}
try
{
var currentDownloadHelper = data.DownloadHelper;
var content = loadingRequest.ContentInformationRequest;
if (content != null)
{
content.ByteRangeAccessSupported = true;
if (string.IsNullOrWhiteSpace(currentDownloadHelper.MimeType))
{
var success = await currentDownloadHelper.WaitForMimeType();
}
content.ContentType = currentDownloadHelper.MimeType;
content.ContentLength = currentDownloadHelper.TotalLength;
}
var dataRequest = loadingRequest.DataRequest;
Console.WriteLine(
$"Data Request: {dataRequest.RequestedOffset} - {dataRequest.RequestedLength} : {dataRequest.CurrentOffset} - {currentDownloadHelper.TotalLength}");
var allData = Device.IsIos9 && dataRequest.RequestsAllDataToEndOfResource;
long exspected = allData ? Math.Max(dataRequest.RequestedLength, currentDownloadHelper.TotalLength) : dataRequest.RequestedLength;
int sent = 0;
var bufer = new byte[exspected];
lock (currentDownloadHelper)
{
while (sent < exspected)
{
if (data.CancelTokenSource.IsCancellationRequested)
{
loadingRequest.FinishLoading();
return;
}
var startOffset = dataRequest.CurrentOffset != 0 ? dataRequest.CurrentOffset : dataRequest.RequestedOffset;
var remaining = exspected - sent;
currentDownloadHelper.Position = startOffset;
if (loadingRequest.IsCancelled)
{
break;
}
var read = currentDownloadHelper.Read(bufer, 0, (int)remaining);
var sendBuffer = bufer.Take(read).ToArray();
dataRequest.Respond(NSData.FromArray(sendBuffer));
sent += read;
if (sent + startOffset >= currentDownloadHelper.TotalLength)
{
break;
}
}
}
if (!loadingRequest.IsCancelled)
{
loadingRequest.FinishLoading();
if (NativeAudioPlayer.Shared.State == PlaybackState.Buffering || NativeAudioPlayer.Shared.State == PlaybackState.Playing)
{
NativeAudioPlayer.Shared.player.CurrentPlayer.Play();
}
}
}
catch (Exception ex)
{
loadingRequest.FinishLoadingWithError(new NSError((NSString)ex.Message, 0));
TryPlayAgain(data.SongId);
Console.WriteLine("***************** ERROR ******************");
Console.WriteLine("Error in Resouce Loader. Trying Again\r\n {0}", ex);
Console.WriteLine("*******************************************");
}
}
public void DidCancelLoadingRequest(AVAssetResourceLoader resourceLoader, AVAssetResourceLoadingRequest loadingRequest)
{
}
