public async Task WriteToAsync(Stream outputStream, CancellationToken cancellationToken)
{
try
{
if (_directStreamProvider != null)
{
await _directStreamProvider.CopyToAsync(outputStream, _cancellationToken).ConfigureAwait(false);
return;
}
var eofCount = 0;
using (var inputStream = GetInputStream())
{
if (StartPosition > 0)
{
inputStream.Position = StartPosition;
}
while (eofCount < 15 || !AllowEndOfFile)
{
var bytesRead = await CopyToAsyncInternal(inputStream, outputStream, BufferSize, _cancellationToken).ConfigureAwait(false);
//var position = fs.Position;
//_logger.Debug("Streamed {0} bytes to position {1} from file {2}", bytesRead, position, path);
if (bytesRead == 0)
{
if (_job == null || _job.HasExited)
{
eofCount++;
}
await Task.Delay(100, _cancellationToken).ConfigureAwait(false);
}
else
{
eofCount = 0;
}
}
}
}
finally
{
if (_job != null)
{
ApiEntryPoint.Instance.OnTranscodeEndRequest(_job);
}
}
}
public async Task WriteToAsync(Stream outputStream, CancellationToken cancellationToken)
{
if (_directStreamProvider != null)
{
await _directStreamProvider.CopyToAsync(outputStream, cancellationToken).ConfigureAwait(false);
return;
}
var eofCount = 0;
// use non-async filestream along with read due to https://github.com/dotnet/corefx/issues/6039
var allowAsyncFileRead = _environment.OperatingSystem != MediaBrowser.Model.System.OperatingSystem.Windows;
using (var inputStream = GetInputStream(allowAsyncFileRead))
{
if (StartPosition > 0)
{
inputStream.Position = StartPosition;
}
var emptyReadLimit = AllowEndOfFile ? 20 : 100;
while (eofCount < emptyReadLimit)
{
int bytesRead;
if (allowAsyncFileRead)
{
bytesRead = await CopyToInternalAsync(inputStream, outputStream, cancellationToken).ConfigureAwait(false);
}
else
{
bytesRead = await CopyToInternalAsyncWithSyncRead(inputStream, outputStream, cancellationToken).ConfigureAwait(false);
}
//var position = fs.Position;
//_logger.Debug("Streamed {0} bytes to position {1} from file {2}", bytesRead, position, path);
if (bytesRead == 0)
{
eofCount++;
await Task.Delay(100, cancellationToken).ConfigureAwait(false);
}
else
{
eofCount = 0;
}
}
}
}
private async Task RecordFromDirectStreamProvider(IDirectStreamProvider directStreamProvider, string targetFile, TimeSpan duration, Action onStarted, CancellationToken cancellationToken)
{
using (var output = _fileSystem.GetFileStream(targetFile, FileOpenMode.Create, FileAccessMode.Write, FileShareMode.Read))
{
onStarted();
_logger.Info("Copying recording stream to file {0}", targetFile);
// The media source if infinite so we need to handle stopping ourselves
var durationToken = new CancellationTokenSource(duration);
cancellationToken = CancellationTokenSource.CreateLinkedTokenSource(cancellationToken, durationToken.Token).Token;
await directStreamProvider.CopyToAsync(output, cancellationToken).ConfigureAwait(false);
}
_logger.Info("Recording completed to file {0}", targetFile);
}
private async Task RecordFromDirectStreamProvider(IDirectStreamProvider directStreamProvider, string targetFile, TimeSpan duration, Action onStarted, CancellationToken cancellationToken)
{
Directory.CreateDirectory(Path.GetDirectoryName(targetFile));
using (var output = new FileStream(targetFile, FileMode.Create, FileAccess.Write, FileShare.Read))
{
onStarted();
_logger.LogInformation("Copying recording stream to file {0}", targetFile);
// The media source is infinite so we need to handle stopping ourselves
using var durationToken = new CancellationTokenSource(duration);
using var cancellationTokenSource = CancellationTokenSource.CreateLinkedTokenSource(cancellationToken, durationToken.Token);
await directStreamProvider.CopyToAsync(output, cancellationTokenSource.Token).ConfigureAwait(false);
}
_logger.LogInformation("Recording completed to file {0}", targetFile);
}
private async Task RecordFromDirectStreamProvider(IDirectStreamProvider directStreamProvider, string targetFile, TimeSpan duration, Action onStarted, CancellationToken cancellationToken)
{
Directory.CreateDirectory(Path.GetDirectoryName(targetFile) ?? throw new ArgumentException("Path can't be a root directory.", nameof(targetFile)));
// use FileShare.None as this bypasses dotnet bug dotnet/runtime#42790 .
using (var output = new FileStream(targetFile, FileMode.Create, FileAccess.Write, FileShare.None, IODefaults.FileStreamBufferSize, AsyncFile.UseAsyncIO))
{
onStarted();
_logger.LogInformation("Copying recording stream to file {0}", targetFile);
// The media source is infinite so we need to handle stopping ourselves
using var durationToken = new CancellationTokenSource(duration);
using var cancellationTokenSource = CancellationTokenSource.CreateLinkedTokenSource(cancellationToken, durationToken.Token);
await directStreamProvider.CopyToAsync(output, cancellationTokenSource.Token).ConfigureAwait(false);
}
_logger.LogInformation("Recording completed to file {0}", targetFile);
}
public async Task WriteToAsync(Stream outputStream, CancellationToken cancellationToken)
{
if (_directStreamProvider != null)
{
await _directStreamProvider.CopyToAsync(outputStream, cancellationToken).ConfigureAwait(false);
return;
}
var fileOptions = FileOptions.SequentialScan;
// use non-async filestream along with read due to https://github.com/dotnet/corefx/issues/6039
if (Environment.OSVersion.Platform != PlatformID.Win32NT)
{
fileOptions |= FileOptions.Asynchronous;
}
using (var inputStream = new FileStream(_path, FileMode.Open, FileAccess.Read, FileShare.ReadWrite, 4096, fileOptions))
{
var emptyReadLimit = AllowEndOfFile ? 20 : 100;
var eofCount = 0;
while (eofCount < emptyReadLimit)
{
int bytesRead;
bytesRead = await _streamHelper.CopyToAsync(inputStream, outputStream, cancellationToken).ConfigureAwait(false);
if (bytesRead == 0)
{
eofCount++;
await Task.Delay(100, cancellationToken).ConfigureAwait(false);
}
else
{
eofCount = 0;
}
}
}
}
public async Task WriteToAsync(Stream outputStream, CancellationToken cancellationToken)
{
cancellationToken = CancellationTokenSource.CreateLinkedTokenSource(cancellationToken, _cancellationToken).Token;
try
{
if (_directStreamProvider != null)
{
await _directStreamProvider.CopyToAsync(outputStream, cancellationToken).ConfigureAwait(false);
return;
}
var eofCount = 0;
// use non-async filestream along with read due to https://github.com/dotnet/corefx/issues/6039
var allowAsyncFileRead = OperatingSystem.Id != OperatingSystemId.Windows;
using (var inputStream = GetInputStream(allowAsyncFileRead))
{
if (StartPosition > 0)
{
inputStream.Position = StartPosition;
}
while (eofCount < 20 || !AllowEndOfFile)
{
int bytesRead;
if (allowAsyncFileRead)
{
bytesRead = await CopyToInternalAsync(inputStream, outputStream, cancellationToken).ConfigureAwait(false);
}
else
{
bytesRead = await CopyToInternalAsyncWithSyncRead(inputStream, outputStream, cancellationToken).ConfigureAwait(false);
}
//var position = fs.Position;
//_logger.LogDebug("Streamed {0} bytes to position {1} from file {2}", bytesRead, position, path);
if (bytesRead == 0)
{
if (_job == null || _job.HasExited)
{
eofCount++;
}
await Task.Delay(100, cancellationToken).ConfigureAwait(false);
}
else
{
eofCount = 0;
}
}
}
}
finally
{
if (_job != null)
{
ApiEntryPoint.Instance.OnTranscodeEndRequest(_job);
}
}
}
