public void Init()
{
__CacheStream = __Storage.GetCacheStream(__Audio);
switch (__CacheStream.Status)
{
case AudioStorageStatus.Stored:
__ProducerConsumerStream = new ProducerConsumerMemoryStream(__CacheStream);
__ProducerConsumerStream.LoadToMemory();
__ProducerConsumerStream.WriteFinished = true;
DownloadedFracion = 1.0;
break;
case AudioStorageStatus.PartiallyStored:
case AudioStorageStatus.NotStored:
if (__Downloader == null || __Url == null)
{
throw new PuckevichException("__Url or __Downloader cannot be null for not cached audio!");
}
__WebDownloaderTask = Task.Run((Action)WebDownloader);
break;
default:
throw new ArgumentOutOfRangeException();
}
__TasksInitialized = true;
while (__CacheStream.Status != AudioStorageStatus.Stored && !__ThresholdDownloaded)
{
Thread.Sleep(1);
}
if (__RequestTasksStop)
{
return;
}
__BassStream = Bass.BASS_StreamCreateFileUser(BASSStreamSystem.STREAMFILE_BUFFER,
BASSFlag.BASS_DEFAULT,
__BassFileProcs,
IntPtr.Zero);
WhenInit();
}
private void CleanActions()
{
__PlayingStopwatch.Reset();
__ProducerConsumerStream.Dispose();
__ProducerConsumerStream = null;
}
private void WebDownloader()
{
Stream webStream = null;
try
{
long audioLengthInBytes;
if (__RequestTasksStop)
{
return;
}
webStream = __Downloader.GetUrlStream(__Url, __CacheStream.Position, out audioLengthInBytes);
if (webStream == null)
{
throw new PuckevichException("Error while creating Url Stream!");
}
if (__RequestTasksStop)
{
return;
}
if (__CacheStream.Status == AudioStorageStatus.NotStored)
{
__CacheStream.AudioSize = audioLengthInBytes;
}
if (__RequestTasksStop)
{
return;
}
__ProducerConsumerStream = new ProducerConsumerMemoryStream(__CacheStream);
__ProducerConsumerStream.LoadToMemory();
if (__RequestTasksStop)
{
return;
}
var buffer = new byte[WEB_BUFFER_SIZE];
int blockRead = 0;
int lengthRead;
if (__RequestTasksStop)
{
return;
}
while ((lengthRead = webStream.Read(buffer, 0, buffer.Length)) != 0)
{
blockRead += lengthRead;
__ProducerConsumerStream.Write(buffer, 0, lengthRead);
if (__RequestTasksStop)
{
return;
}
if (blockRead >= WEB_THRESHOLD)
{
__ThresholdDownloaded = true;
}
if (__CacheStream == null)
{
return;
}
if (__RequestTasksStop)
{
return;
}
}
}
finally
{
if (webStream != null)
{
webStream.Dispose();
}
__ProducerConsumerStream.FlushToCache();
__ProducerConsumerStream.WriteFinished = true;
__ThresholdDownloaded = true;
}
}
private void CleanActions()
{
__PlayingStopwatch.Reset();
__ProducerConsumerStream.Dispose();
__ProducerConsumerStream = null;
}
public void Init()
{
__CacheStream = __Storage.GetCacheStream(__Audio);
switch (__CacheStream.Status)
{
case AudioStorageStatus.Stored:
__ProducerConsumerStream = new ProducerConsumerMemoryStream(__CacheStream);
__ProducerConsumerStream.LoadToMemory();
__ProducerConsumerStream.WriteFinished = true;
DownloadedFracion = 1.0;
break;
case AudioStorageStatus.PartiallyStored:
case AudioStorageStatus.NotStored:
if (__Downloader == null || __Url == null)
throw new PuckevichException("__Url or __Downloader cannot be null for not cached audio!");
__WebDownloaderTask = Task.Run((Action)WebDownloader);
break;
default:
throw new ArgumentOutOfRangeException();
}
__TasksInitialized = true;
while (__CacheStream.Status != AudioStorageStatus.Stored && !__ThresholdDownloaded)
Thread.Sleep(1);
if (__RequestTasksStop)
return;
__BassStream = Bass.BASS_StreamCreateFileUser(BASSStreamSystem.STREAMFILE_BUFFER,
BASSFlag.BASS_DEFAULT,
__BassFileProcs,
IntPtr.Zero);
WhenInit();
}
private void WebDownloader()
{
Stream webStream = null;
try
{
long audioLengthInBytes;
if (__RequestTasksStop)
return;
webStream = __Downloader.GetUrlStream(__Url, __CacheStream.Position, out audioLengthInBytes);
if (webStream == null)
throw new PuckevichException("Error while creating Url Stream!");
if (__RequestTasksStop)
return;
if (__CacheStream.Status == AudioStorageStatus.NotStored)
__CacheStream.AudioSize = audioLengthInBytes;
if (__RequestTasksStop)
return;
__ProducerConsumerStream = new ProducerConsumerMemoryStream(__CacheStream);
__ProducerConsumerStream.LoadToMemory();
if (__RequestTasksStop)
return;
var buffer = new byte[WEB_BUFFER_SIZE];
int blockRead = 0;
int lengthRead;
if (__RequestTasksStop)
return;
while ((lengthRead = webStream.Read(buffer, 0, buffer.Length)) != 0)
{
blockRead += lengthRead;
__ProducerConsumerStream.Write(buffer, 0, lengthRead);
if (__RequestTasksStop)
return;
if (blockRead >= WEB_THRESHOLD)
{
__ThresholdDownloaded = true;
}
if (__CacheStream == null)
return;
if (__RequestTasksStop)
return;
}
}
finally
{
if (webStream != null)
webStream.Dispose();
__ProducerConsumerStream.FlushToCache();
__ProducerConsumerStream.WriteFinished = true;
__ThresholdDownloaded = true;
}
}
