/// <summary>
/// Gets the stream result.
/// </summary>
/// <param name="state">The state.</param>
/// <param name="responseHeaders">The response headers.</param>
/// <param name="isHeadRequest">if set to <c>true</c> [is head request].</param>
/// <returns>Task{System.Object}.</returns>
private async Task <object> GetStreamResult(StreamState state, IDictionary <string, string> responseHeaders, bool isHeadRequest)
{
// Use the command line args with a dummy playlist path
var outputPath = state.OutputFilePath;
responseHeaders["Accept-Ranges"] = "none";
var contentType = state.GetMimeType(outputPath);
var contentLength = state.EstimateContentLength ? GetEstimatedContentLength(state) : null;
if (contentLength.HasValue)
{
responseHeaders["Content-Length"] = contentLength.Value.ToString(UsCulture);
}
// Headers only
if (isHeadRequest)
{
var streamResult = ResultFactory.GetResult(new byte[] { }, contentType, responseHeaders);
if (!contentLength.HasValue)
{
var hasOptions = streamResult as IHasOptions;
if (hasOptions != null)
{
if (hasOptions.Options.ContainsKey("Content-Length"))
{
hasOptions.Options.Remove("Content-Length");
}
}
}
return(streamResult);
}
if (!File.Exists(outputPath))
{
await StartFfMpeg(state, outputPath, new CancellationTokenSource()).ConfigureAwait(false);
}
else
{
ApiEntryPoint.Instance.OnTranscodeBeginRequest(outputPath, TranscodingJobType.Progressive);
state.Dispose();
}
var job = ApiEntryPoint.Instance.GetTranscodingJob(outputPath, TranscodingJobType.Progressive);
var result = new ProgressiveStreamWriter(outputPath, Logger, FileSystem, job);
result.Options["Content-Type"] = contentType;
// Add the response headers to the result object
foreach (var item in responseHeaders)
{
result.Options[item.Key] = item.Value;
}
return(result);
}
/// <summary>
/// Gets the stream result.
/// </summary>
/// <param name="state">The state.</param>
/// <param name="responseHeaders">The response headers.</param>
/// <param name="isHeadRequest">if set to <c>true</c> [is head request].</param>
/// <param name="cancellationTokenSource">The cancellation token source.</param>
/// <returns>Task{System.Object}.</returns>
private async Task <object> GetStreamResult(StreamRequest request, StreamState state, IDictionary <string, string> responseHeaders, bool isHeadRequest, CancellationTokenSource cancellationTokenSource)
{
// Use the command line args with a dummy playlist path
var outputPath = state.OutputFilePath;
responseHeaders[HeaderNames.AcceptRanges] = "none";
var contentType = state.GetMimeType(outputPath);
// TODO: The isHeadRequest is only here because ServiceStack will add Content-Length=0 to the response
// Headers only
if (isHeadRequest)
{
return(ResultFactory.GetResult(null, Array.Empty <byte>(), contentType, responseHeaders));
}
var transcodingLock = ApiEntryPoint.Instance.GetTranscodingLock(outputPath);
await transcodingLock.WaitAsync(cancellationTokenSource.Token).ConfigureAwait(false);
try
{
TranscodingJob job;
if (!File.Exists(outputPath))
{
job = await StartFfMpeg(state, outputPath, cancellationTokenSource).ConfigureAwait(false);
}
else
{
job = ApiEntryPoint.Instance.OnTranscodeBeginRequest(outputPath, TranscodingJobType.Progressive);
state.Dispose();
}
var outputHeaders = new Dictionary <string, string>(StringComparer.OrdinalIgnoreCase)
{
[HeaderNames.ContentType] = contentType
};
// Add the response headers to the result object
foreach (var item in responseHeaders)
{
outputHeaders[item.Key] = item.Value;
}
return(new ProgressiveFileCopier(FileSystem, outputPath, outputHeaders, job, Logger, CancellationToken.None));
}
finally
{
transcodingLock.Release();
}
}
/// <summary>
/// Returns a transcoded file from the server.
/// </summary>
/// <param name="state">The current <see cref="StreamState"/>.</param>
/// <param name="isHeadRequest">Whether the current request is a HTTP HEAD request so only the headers get returned.</param>
/// <param name="controller">The <see cref="ControllerBase"/> managing the response.</param>
/// <param name="transcodingJobHelper">The <see cref="TranscodingJobHelper"/> singleton.</param>
/// <param name="ffmpegCommandLineArguments">The command line arguments to start ffmpeg.</param>
/// <param name="request">The <see cref="HttpRequest"/> starting the transcoding.</param>
/// <param name="transcodingJobType">The <see cref="TranscodingJobType"/>.</param>
/// <param name="cancellationTokenSource">The <see cref="CancellationTokenSource"/>.</param>
/// <returns>A <see cref="Task{ActionResult}"/> containing the transcoded file.</returns>
public static async Task <ActionResult> GetTranscodedFile(
StreamState state,
bool isHeadRequest,
ControllerBase controller,
TranscodingJobHelper transcodingJobHelper,
string ffmpegCommandLineArguments,
HttpRequest request,
TranscodingJobType transcodingJobType,
CancellationTokenSource cancellationTokenSource)
{
// Use the command line args with a dummy playlist path
var outputPath = state.OutputFilePath;
controller.Response.Headers[HeaderNames.AcceptRanges] = "none";
var contentType = state.GetMimeType(outputPath);
// Headers only
if (isHeadRequest)
{
return(controller.File(Array.Empty <byte>(), contentType));
}
var transcodingLock = transcodingJobHelper.GetTranscodingLock(outputPath);
await transcodingLock.WaitAsync(cancellationTokenSource.Token).ConfigureAwait(false);
try
{
TranscodingJobDto?job;
if (!File.Exists(outputPath))
{
job = await transcodingJobHelper.StartFfMpeg(state, outputPath, ffmpegCommandLineArguments, request, transcodingJobType, cancellationTokenSource).ConfigureAwait(false);
}
else
{
job = transcodingJobHelper.OnTranscodeBeginRequest(outputPath, TranscodingJobType.Progressive);
state.Dispose();
}
var memoryStream = new MemoryStream();
await new ProgressiveFileCopier(outputPath, job, transcodingJobHelper, CancellationToken.None).WriteToAsync(memoryStream, CancellationToken.None).ConfigureAwait(false);
memoryStream.Position = 0;
return(controller.File(memoryStream, contentType));
}
finally
{
transcodingLock.Release();
}
}
/// <summary>
/// Returns a transcoded file from the server.
/// </summary>
/// <param name="state">The current <see cref="StreamState"/>.</param>
/// <param name="isHeadRequest">Whether the current request is a HTTP HEAD request so only the headers get returned.</param>
/// <param name="httpContext">The current http context.</param>
/// <param name="transcodingJobHelper">The <see cref="TranscodingJobHelper"/> singleton.</param>
/// <param name="ffmpegCommandLineArguments">The command line arguments to start ffmpeg.</param>
/// <param name="transcodingJobType">The <see cref="TranscodingJobType"/>.</param>
/// <param name="cancellationTokenSource">The <see cref="CancellationTokenSource"/>.</param>
/// <returns>A <see cref="Task{ActionResult}"/> containing the transcoded file.</returns>
public static async Task <ActionResult> GetTranscodedFile(
StreamState state,
bool isHeadRequest,
HttpContext httpContext,
TranscodingJobHelper transcodingJobHelper,
string ffmpegCommandLineArguments,
TranscodingJobType transcodingJobType,
CancellationTokenSource cancellationTokenSource)
{
// Use the command line args with a dummy playlist path
var outputPath = state.OutputFilePath;
httpContext.Response.Headers[HeaderNames.AcceptRanges] = "none";
var contentType = state.GetMimeType(outputPath);
// Headers only
if (isHeadRequest)
{
httpContext.Response.Headers[HeaderNames.ContentType] = contentType;
return(new OkResult());
}
var transcodingLock = transcodingJobHelper.GetTranscodingLock(outputPath);
await transcodingLock.WaitAsync(cancellationTokenSource.Token).ConfigureAwait(false);
try
{
TranscodingJobDto?job;
if (!File.Exists(outputPath))
{
job = await transcodingJobHelper.StartFfMpeg(state, outputPath, ffmpegCommandLineArguments, httpContext.Request, transcodingJobType, cancellationTokenSource).ConfigureAwait(false);
}
else
{
job = transcodingJobHelper.OnTranscodeBeginRequest(outputPath, TranscodingJobType.Progressive);
state.Dispose();
}
var stream = new ProgressiveFileStream(outputPath, job, transcodingJobHelper);
return(new FileStreamResult(stream, contentType));
}
finally
{
transcodingLock.Release();
}
}
/// <summary>
/// Gets the stream result.
/// </summary>
/// <param name="state">The state.</param>
/// <param name="responseHeaders">The response headers.</param>
/// <param name="isHeadRequest">if set to <c>true</c> [is head request].</param>
/// <param name="cancellationTokenSource">The cancellation token source.</param>
/// <returns>Task{System.Object}.</returns>
private async Task<object> GetStreamResult(StreamState state, IDictionary<string, string> responseHeaders, bool isHeadRequest, CancellationTokenSource cancellationTokenSource)
{
// Use the command line args with a dummy playlist path
var outputPath = state.OutputFilePath;
responseHeaders["Accept-Ranges"] = "none";
var contentType = state.GetMimeType(outputPath);
// TODO: The isHeadRequest is only here because ServiceStack will add Content-Length=0 to the response
// What we really want to do is hunt that down and remove that
var contentLength = state.EstimateContentLength || isHeadRequest ? GetEstimatedContentLength(state) : null;
if (contentLength.HasValue)
{
responseHeaders["Content-Length"] = contentLength.Value.ToString(UsCulture);
}
// Headers only
if (isHeadRequest)
{
var streamResult = ResultFactory.GetResult(new byte[] { }, contentType, responseHeaders);
var hasOptions = streamResult as IHasOptions;
if (hasOptions != null)
{
if (contentLength.HasValue)
{
hasOptions.Options["Content-Length"] = contentLength.Value.ToString(CultureInfo.InvariantCulture);
}
else
{
if (hasOptions.Options.ContainsKey("Content-Length"))
{
hasOptions.Options.Remove("Content-Length");
}
}
}
return streamResult;
}
await ApiEntryPoint.Instance.TranscodingStartLock.WaitAsync(cancellationTokenSource.Token).ConfigureAwait(false);
try
{
TranscodingJob job;
if (!File.Exists(outputPath))
{
job = await StartFfMpeg(state, outputPath, cancellationTokenSource).ConfigureAwait(false);
}
else
{
job = ApiEntryPoint.Instance.OnTranscodeBeginRequest(outputPath, TranscodingJobType.Progressive);
state.Dispose();
}
var result = new ProgressiveStreamWriter(outputPath, Logger, FileSystem, job);
result.Options["Content-Type"] = contentType;
// Add the response headers to the result object
foreach (var item in responseHeaders)
{
result.Options[item.Key] = item.Value;
}
return result;
}
finally
{
ApiEntryPoint.Instance.TranscodingStartLock.Release();
}
}
/// <summary>
/// Gets the stream result.
/// </summary>
/// <param name="state">The state.</param>
/// <param name="responseHeaders">The response headers.</param>
/// <param name="isHeadRequest">if set to <c>true</c> [is head request].</param>
/// <param name="cancellationTokenSource">The cancellation token source.</param>
/// <returns>Task{System.Object}.</returns>
private async Task <object> GetStreamResult(StreamState state, IDictionary <string, string> responseHeaders, bool isHeadRequest, CancellationTokenSource cancellationTokenSource)
{
// Use the command line args with a dummy playlist path
var outputPath = state.OutputFilePath;
responseHeaders["Accept-Ranges"] = "none";
var contentType = state.GetMimeType(outputPath);
// TODO: The isHeadRequest is only here because ServiceStack will add Content-Length=0 to the response
// What we really want to do is hunt that down and remove that
var contentLength = state.EstimateContentLength || isHeadRequest?GetEstimatedContentLength(state) : null;
if (contentLength.HasValue)
{
responseHeaders["Content-Length"] = contentLength.Value.ToString(UsCulture);
}
// Headers only
if (isHeadRequest)
{
var streamResult = ResultFactory.GetResult(new byte[] { }, contentType, responseHeaders);
var hasOptions = streamResult as IHasOptions;
if (hasOptions != null)
{
if (contentLength.HasValue)
{
hasOptions.Options["Content-Length"] = contentLength.Value.ToString(CultureInfo.InvariantCulture);
}
else
{
if (hasOptions.Options.ContainsKey("Content-Length"))
{
hasOptions.Options.Remove("Content-Length");
}
}
}
return(streamResult);
}
await ApiEntryPoint.Instance.TranscodingStartLock.WaitAsync(cancellationTokenSource.Token).ConfigureAwait(false);
try
{
TranscodingJob job;
if (!FileSystem.FileExists(outputPath))
{
job = await StartFfMpeg(state, outputPath, cancellationTokenSource).ConfigureAwait(false);
}
else
{
job = ApiEntryPoint.Instance.OnTranscodeBeginRequest(outputPath, TranscodingJobType.Progressive);
state.Dispose();
}
var result = new ProgressiveStreamWriter(outputPath, Logger, FileSystem, job);
result.Options["Content-Type"] = contentType;
// Add the response headers to the result object
foreach (var item in responseHeaders)
{
result.Options[item.Key] = item.Value;
}
return(result);
}
finally
{
ApiEntryPoint.Instance.TranscodingStartLock.Release();
}
}
/// <summary>
/// Gets the stream result.
/// </summary>
/// <param name="state">The state.</param>
/// <param name="responseHeaders">The response headers.</param>
/// <param name="isHeadRequest">if set to <c>true</c> [is head request].</param>
/// <returns>Task{System.Object}.</returns>
private async Task<object> GetStreamResult(StreamState state, IDictionary<string, string> responseHeaders, bool isHeadRequest)
{
// Use the command line args with a dummy playlist path
var outputPath = state.OutputFilePath;
responseHeaders["Accept-Ranges"] = "none";
var contentType = state.GetMimeType(outputPath);
var contentLength = state.EstimateContentLength ? GetEstimatedContentLength(state) : null;
if (contentLength.HasValue)
{
responseHeaders["Content-Length"] = contentLength.Value.ToString(UsCulture);
}
// Headers only
if (isHeadRequest)
{
var streamResult = ResultFactory.GetResult(new byte[] { }, contentType, responseHeaders);
if (!contentLength.HasValue)
{
var hasOptions = streamResult as IHasOptions;
if (hasOptions != null)
{
if (hasOptions.Options.ContainsKey("Content-Length"))
{
hasOptions.Options.Remove("Content-Length");
}
}
}
return streamResult;
}
if (!File.Exists(outputPath))
{
await StartFfMpeg(state, outputPath, new CancellationTokenSource()).ConfigureAwait(false);
}
else
{
ApiEntryPoint.Instance.OnTranscodeBeginRequest(outputPath, TranscodingJobType.Progressive);
state.Dispose();
}
var job = ApiEntryPoint.Instance.GetTranscodingJob(outputPath, TranscodingJobType.Progressive);
var result = new ProgressiveStreamWriter(outputPath, Logger, FileSystem, job);
result.Options["Content-Type"] = contentType;
// Add the response headers to the result object
foreach (var item in responseHeaders)
{
result.Options[item.Key] = item.Value;
}
return result;
}